mirror of
https://github.com/JGRennison/OpenTTD-patches.git
synced 2024-11-17 21:25:40 +00:00
2895 lines
83 KiB
C++
2895 lines
83 KiB
C++
/* $Id$ */
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/** @file viewport.cpp */
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#include "stdafx.h"
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#include "openttd.h"
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#include "debug.h"
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#include "tile_cmd.h"
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#include "gui.h"
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#include "spritecache.h"
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#include "landscape.h"
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#include "viewport_func.h"
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#include "station_base.h"
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#include "town.h"
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#include "signs_base.h"
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#include "signs_func.h"
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#include "waypoint.h"
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#include "variables.h"
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#include "train.h"
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#include "roadveh.h"
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#include "vehicle_gui.h"
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#include "blitter/factory.hpp"
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#include "transparency.h"
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#include "strings_func.h"
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#include "zoom_func.h"
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#include "vehicle_func.h"
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#include "player_func.h"
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#include "settings_type.h"
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#include "station_func.h"
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#include "core/alloc_func.hpp"
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#include "table/sprites.h"
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#include "table/strings.h"
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enum {
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VIEWPORT_DRAW_MEM = (65536 * 2),
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PARENT_LIST_SIZE = 6144,
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};
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PlaceProc *_place_proc;
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Point _tile_fract_coords;
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ZoomLevel _saved_scrollpos_zoom;
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/**
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* The maximum number of viewports depends on the maximum number
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* of windows. Technically is could be the maximum number of
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* windows, but there is always at least one window that does
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* not need a viewport. Not having 'support' for that viewport
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* saves some time and memory.
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* For the introduction GUI and create game GUIs there is no
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* need for more than one viewport, however in the normal game
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* and scenario editor one can make a lot of viewports. For the
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* normal game one always has a main toolbar and a status bar,
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* however the statusbar does not exist on the scenario editor.
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*
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* This means that we can only safely assume that there is one
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* window without viewport.
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*/
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static ViewPort _viewports[MAX_NUMBER_OF_WINDOWS - 1];
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static uint32 _active_viewports; ///< bitmasked variable where each bit signifies if a viewport is in use or not
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assert_compile(lengthof(_viewports) < sizeof(_active_viewports) * 8);
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/* The in-game coordiante system looks like this *
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* *
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* ^ Z *
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* | *
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* | *
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* | *
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* | *
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* / \ *
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* / \ *
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* / \ *
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* / \ *
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* X < > Y *
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*/
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struct StringSpriteToDraw {
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uint16 string;
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uint16 color;
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StringSpriteToDraw *next;
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int32 x;
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int32 y;
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uint64 params[2];
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uint16 width;
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};
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struct TileSpriteToDraw {
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SpriteID image;
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SpriteID pal;
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const SubSprite *sub; ///< only draw a rectangular part of the sprite
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TileSpriteToDraw *next;
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int32 x;
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int32 y;
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byte z;
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};
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struct ChildScreenSpriteToDraw {
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SpriteID image;
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SpriteID pal;
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const SubSprite *sub; ///< only draw a rectangular part of the sprite
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int32 x;
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int32 y;
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ChildScreenSpriteToDraw *next;
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};
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struct ParentSpriteToDraw {
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SpriteID image; ///< sprite to draw
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SpriteID pal; ///< palette to use
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const SubSprite *sub; ///< only draw a rectangular part of the sprite
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int32 x; ///< screen X coordinate of sprite
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int32 y; ///< screen Y coordinate of sprite
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int32 left; ///< minimal screen X coordinate of sprite (= x + sprite->x_offs), reference point for child sprites
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int32 top; ///< minimal screen Y coordinate of sprite (= y + sprite->y_offs), reference point for child sprites
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int32 xmin; ///< minimal world X coordinate of bounding box
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int32 xmax; ///< maximal world X coordinate of bounding box
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int32 ymin; ///< minimal world Y coordinate of bounding box
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int32 ymax; ///< maximal world Y coordinate of bounding box
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int zmin; ///< minimal world Z coordinate of bounding box
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int zmax; ///< maximal world Z coordinate of bounding box
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ChildScreenSpriteToDraw *child; ///< head of child list;
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bool comparison_done; ///< Used during sprite sorting: true if sprite has been compared with all other sprites
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};
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/* Quick hack to know how much memory to reserve when allocating from the spritelist
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* to prevent a buffer overflow. */
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#define LARGEST_SPRITELIST_STRUCT ParentSpriteToDraw
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assert_compile(sizeof(LARGEST_SPRITELIST_STRUCT) >= sizeof(StringSpriteToDraw));
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assert_compile(sizeof(LARGEST_SPRITELIST_STRUCT) >= sizeof(TileSpriteToDraw));
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assert_compile(sizeof(LARGEST_SPRITELIST_STRUCT) >= sizeof(ChildScreenSpriteToDraw));
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assert_compile(sizeof(LARGEST_SPRITELIST_STRUCT) >= sizeof(ParentSpriteToDraw));
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/* Enumeration of multi-part foundations */
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enum FoundationPart {
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FOUNDATION_PART_NONE = 0xFF, ///< Neither foundation nor groundsprite drawn yet.
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FOUNDATION_PART_NORMAL = 0, ///< First part (normal foundation or no foundation)
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FOUNDATION_PART_HALFTILE = 1, ///< Second part (halftile foundation)
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FOUNDATION_PART_END
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};
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struct ViewportDrawer {
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DrawPixelInfo dpi;
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byte *spritelist_mem;
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const byte *eof_spritelist_mem;
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StringSpriteToDraw **last_string, *first_string;
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TileSpriteToDraw **last_tile, *first_tile;
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ChildScreenSpriteToDraw **last_child;
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ParentSpriteToDraw **parent_list;
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ParentSpriteToDraw * const *eof_parent_list;
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byte combine_sprites;
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ParentSpriteToDraw *foundation[FOUNDATION_PART_END]; ///< Foundation sprites.
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FoundationPart foundation_part; ///< Currently active foundation for ground sprite drawing.
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ChildScreenSpriteToDraw **last_foundation_child[FOUNDATION_PART_END]; ///< Tail of ChildSprite list of the foundations.
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Point foundation_offset[FOUNDATION_PART_END]; ///< Pixeloffset for ground sprites on the foundations.
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};
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static ViewportDrawer *_cur_vd;
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TileHighlightData _thd;
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static TileInfo *_cur_ti;
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extern void SmallMapCenterOnCurrentPos(Window *w);
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static Point MapXYZToViewport(const ViewPort *vp, uint x, uint y, uint z)
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{
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Point p = RemapCoords(x, y, z);
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p.x -= vp->virtual_width / 2;
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p.y -= vp->virtual_height / 2;
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return p;
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}
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void InitViewports()
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{
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memset(_viewports, 0, sizeof(_viewports));
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_active_viewports = 0;
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}
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void DeleteWindowViewport(Window *w)
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{
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ClrBit(_active_viewports, w->viewport - _viewports);
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w->viewport->width = 0;
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w->viewport = NULL;
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}
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void AssignWindowViewport(Window *w, int x, int y,
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int width, int height, uint32 follow_flags, ZoomLevel zoom)
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{
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ViewPort *vp;
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Point pt;
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uint32 bit;
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for (vp = _viewports, bit = 0; ; vp++, bit++) {
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assert(vp != endof(_viewports));
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if (vp->width == 0) break;
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}
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SetBit(_active_viewports, bit);
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vp->left = x + w->left;
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vp->top = y + w->top;
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vp->width = width;
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vp->height = height;
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vp->zoom = zoom;
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vp->virtual_width = ScaleByZoom(width, zoom);
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vp->virtual_height = ScaleByZoom(height, zoom);
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if (follow_flags & 0x80000000) {
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const Vehicle *veh;
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WP(w, vp_d).follow_vehicle = (VehicleID)(follow_flags & 0xFFFF);
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veh = GetVehicle(WP(w, vp_d).follow_vehicle);
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pt = MapXYZToViewport(vp, veh->x_pos, veh->y_pos, veh->z_pos);
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} else {
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uint x = TileX(follow_flags) * TILE_SIZE;
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uint y = TileY(follow_flags) * TILE_SIZE;
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WP(w, vp_d).follow_vehicle = INVALID_VEHICLE;
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pt = MapXYZToViewport(vp, x, y, GetSlopeZ(x, y));
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}
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WP(w, vp_d).scrollpos_x = pt.x;
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WP(w, vp_d).scrollpos_y = pt.y;
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WP(w, vp_d).dest_scrollpos_x = pt.x;
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WP(w, vp_d).dest_scrollpos_y = pt.y;
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w->viewport = vp;
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vp->virtual_left = 0;//pt.x;
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vp->virtual_top = 0;//pt.y;
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}
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static Point _vp_move_offs;
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static void DoSetViewportPosition(Window* const *wz, int left, int top, int width, int height)
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{
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for (; wz != _last_z_window; wz++) {
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const Window *w = *wz;
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if (left + width > w->left &&
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w->left + w->width > left &&
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top + height > w->top &&
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w->top + w->height > top) {
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if (left < w->left) {
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DoSetViewportPosition(wz, left, top, w->left - left, height);
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DoSetViewportPosition(wz, left + (w->left - left), top, width - (w->left - left), height);
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return;
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}
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if (left + width > w->left + w->width) {
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DoSetViewportPosition(wz, left, top, (w->left + w->width - left), height);
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DoSetViewportPosition(wz, left + (w->left + w->width - left), top, width - (w->left + w->width - left) , height);
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return;
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}
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if (top < w->top) {
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DoSetViewportPosition(wz, left, top, width, (w->top - top));
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DoSetViewportPosition(wz, left, top + (w->top - top), width, height - (w->top - top));
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return;
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}
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if (top + height > w->top + w->height) {
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DoSetViewportPosition(wz, left, top, width, (w->top + w->height - top));
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DoSetViewportPosition(wz, left, top + (w->top + w->height - top), width , height - (w->top + w->height - top));
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return;
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}
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return;
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}
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}
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{
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int xo = _vp_move_offs.x;
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int yo = _vp_move_offs.y;
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if (abs(xo) >= width || abs(yo) >= height) {
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/* fully_outside */
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RedrawScreenRect(left, top, left + width, top + height);
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return;
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}
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GfxScroll(left, top, width, height, xo, yo);
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if (xo > 0) {
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RedrawScreenRect(left, top, xo + left, top + height);
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left += xo;
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width -= xo;
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} else if (xo < 0) {
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RedrawScreenRect(left+width+xo, top, left+width, top + height);
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width += xo;
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}
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if (yo > 0) {
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RedrawScreenRect(left, top, width+left, top + yo);
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} else if (yo < 0) {
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RedrawScreenRect(left, top + height + yo, width+left, top + height);
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}
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}
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}
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static void SetViewportPosition(Window *w, int x, int y)
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{
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ViewPort *vp = w->viewport;
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int old_left = vp->virtual_left;
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int old_top = vp->virtual_top;
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int i;
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int left, top, width, height;
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vp->virtual_left = x;
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vp->virtual_top = y;
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/* viewport is bound to its left top corner, so it must be rounded down (UnScaleByZoomLower)
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* else glitch described in FS#1412 will happen (offset by 1 pixel with zoom level > NORMAL)
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*/
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old_left = UnScaleByZoomLower(old_left, vp->zoom);
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old_top = UnScaleByZoomLower(old_top, vp->zoom);
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x = UnScaleByZoomLower(x, vp->zoom);
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y = UnScaleByZoomLower(y, vp->zoom);
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old_left -= x;
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old_top -= y;
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if (old_top == 0 && old_left == 0) return;
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_vp_move_offs.x = old_left;
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_vp_move_offs.y = old_top;
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left = vp->left;
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top = vp->top;
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width = vp->width;
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height = vp->height;
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if (left < 0) {
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width += left;
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left = 0;
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}
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i = left + width - _screen.width;
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if (i >= 0) width -= i;
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if (width > 0) {
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if (top < 0) {
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height += top;
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top = 0;
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}
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i = top + height - _screen.height;
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if (i >= 0) height -= i;
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if (height > 0) DoSetViewportPosition(FindWindowZPosition(w) + 1, left, top, width, height);
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}
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}
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ViewPort *IsPtInWindowViewport(const Window *w, int x, int y)
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{
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ViewPort *vp = w->viewport;
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if (vp != NULL &&
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IsInsideMM(x, vp->left, vp->left + vp->width) &&
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IsInsideMM(y, vp->top, vp->top + vp->height))
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return vp;
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return NULL;
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}
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static Point TranslateXYToTileCoord(const ViewPort *vp, int x, int y)
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{
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Point pt;
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int a,b;
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uint z;
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if ( (uint)(x -= vp->left) >= (uint)vp->width ||
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(uint)(y -= vp->top) >= (uint)vp->height) {
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Point pt = {-1, -1};
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return pt;
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}
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x = (ScaleByZoom(x, vp->zoom) + vp->virtual_left) >> 2;
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y = (ScaleByZoom(y, vp->zoom) + vp->virtual_top) >> 1;
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a = y-x;
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b = y+x;
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/* we need to move variables in to the valid range, as the
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* GetTileZoomCenterWindow() function can call here with invalid x and/or y,
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* when the user tries to zoom out along the sides of the map */
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a = Clamp(a, 0, (int)(MapMaxX() * TILE_SIZE) - 1);
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b = Clamp(b, 0, (int)(MapMaxY() * TILE_SIZE) - 1);
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/* (a, b) is the X/Y-world coordinate that belongs to (x,y) if the landscape would be completely flat on height 0.
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* Now find the Z-world coordinate by fix point iteration.
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* This is a bit tricky because the tile height is non-continuous at foundations.
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* The clicked point should be approached from the back, otherwise there are regions that are not clickable.
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* (FOUNDATION_HALFTILE_LOWER on SLOPE_STEEP_S hides north halftile completely)
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* So give it a z-malus of 4 in the first iterations.
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*/
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z = 0;
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for (int i = 0; i < 5; i++) z = GetSlopeZ(a + max(z, 4u) - 4, b + max(z, 4u) - 4) / 2;
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for (uint malus = 3; malus > 0; malus--) z = GetSlopeZ(a + max(z, malus) - malus, b + max(z, malus) - malus) / 2;
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for (int i = 0; i < 5; i++) z = GetSlopeZ(a + z, b + z) / 2;
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pt.x = a + z;
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pt.y = b + z;
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return pt;
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}
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/* When used for zooming, check area below current coordinates (x,y)
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* and return the tile of the zoomed out/in position (zoom_x, zoom_y)
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* when you just want the tile, make x = zoom_x and y = zoom_y */
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static Point GetTileFromScreenXY(int x, int y, int zoom_x, int zoom_y)
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{
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Window *w;
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ViewPort *vp;
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Point pt;
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if ( (w = FindWindowFromPt(x, y)) != NULL &&
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(vp = IsPtInWindowViewport(w, x, y)) != NULL)
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return TranslateXYToTileCoord(vp, zoom_x, zoom_y);
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pt.y = pt.x = -1;
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return pt;
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}
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Point GetTileBelowCursor()
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{
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return GetTileFromScreenXY(_cursor.pos.x, _cursor.pos.y, _cursor.pos.x, _cursor.pos.y);
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}
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Point GetTileZoomCenterWindow(bool in, Window * w)
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{
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int x, y;
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ViewPort * vp;
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vp = w->viewport;
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if (in) {
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x = ((_cursor.pos.x - vp->left) >> 1) + (vp->width >> 2);
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y = ((_cursor.pos.y - vp->top) >> 1) + (vp->height >> 2);
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} else {
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x = vp->width - (_cursor.pos.x - vp->left);
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y = vp->height - (_cursor.pos.y - vp->top);
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}
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/* Get the tile below the cursor and center on the zoomed-out center */
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return GetTileFromScreenXY(_cursor.pos.x, _cursor.pos.y, x + vp->left, y + vp->top);
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}
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/** Update the status of the zoom-buttons according to the zoom-level
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* of the viewport. This will update their status and invalidate accordingly
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* @param w Window pointer to the window that has the zoom buttons
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* @param vp pointer to the viewport whose zoom-level the buttons represent
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* @param widget_zoom_in widget index for window with zoom-in button
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* @param widget_zoom_out widget index for window with zoom-out button */
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void HandleZoomMessage(Window *w, const ViewPort *vp, byte widget_zoom_in, byte widget_zoom_out)
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{
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w->SetWidgetDisabledState(widget_zoom_in, vp->zoom == ZOOM_LVL_MIN);
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w->InvalidateWidget(widget_zoom_in);
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w->SetWidgetDisabledState(widget_zoom_out, vp->zoom == ZOOM_LVL_MAX);
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w->InvalidateWidget(widget_zoom_out);
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}
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/**
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* Draws a ground sprite at a specific world-coordinate.
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*
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* @param image the image to draw.
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* @param pal the provided palette.
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* @param x position x of the sprite.
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* @param y position y of the sprite.
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* @param z position z of the sprite.
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* @param sub Only draw a part of the sprite.
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*
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*/
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void DrawGroundSpriteAt(SpriteID image, SpriteID pal, int32 x, int32 y, byte z, const SubSprite *sub)
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{
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ViewportDrawer *vd = _cur_vd;
|
|
TileSpriteToDraw *ts;
|
|
|
|
assert((image & SPRITE_MASK) < MAX_SPRITES);
|
|
|
|
if (vd->spritelist_mem >= vd->eof_spritelist_mem) {
|
|
DEBUG(sprite, 0, "Out of sprite memory");
|
|
return;
|
|
}
|
|
ts = (TileSpriteToDraw*)vd->spritelist_mem;
|
|
|
|
vd->spritelist_mem += sizeof(TileSpriteToDraw);
|
|
|
|
ts->image = image;
|
|
ts->pal = pal;
|
|
ts->sub = sub;
|
|
ts->next = NULL;
|
|
ts->x = x;
|
|
ts->y = y;
|
|
ts->z = z;
|
|
*vd->last_tile = ts;
|
|
vd->last_tile = &ts->next;
|
|
}
|
|
|
|
/**
|
|
* Adds a child sprite to the active foundation.
|
|
*
|
|
* The pixel offset of the sprite relative to the ParentSprite is the sum of the offset passed to OffsetGroundSprite() and extra_offs_?.
|
|
*
|
|
* @param image the image to draw.
|
|
* @param pal the provided palette.
|
|
* @param sub Only draw a part of the sprite.
|
|
* @param foundation_part Foundation part.
|
|
* @param extra_offs_x Pixel X offset for the sprite position.
|
|
* @param extra_offs_y Pixel Y offset for the sprite position.
|
|
*/
|
|
static void AddChildSpriteToFoundation(SpriteID image, SpriteID pal, const SubSprite *sub, FoundationPart foundation_part, int extra_offs_x, int extra_offs_y)
|
|
{
|
|
ViewportDrawer *vd = _cur_vd;
|
|
assert(IsInsideMM(foundation_part, 0, FOUNDATION_PART_END));
|
|
assert(vd->foundation[foundation_part] != NULL);
|
|
Point offs = vd->foundation_offset[foundation_part];
|
|
|
|
/* Change the active ChildSprite list to the one of the foundation */
|
|
ChildScreenSpriteToDraw **old_child = vd->last_child;
|
|
vd->last_child = vd->last_foundation_child[foundation_part];
|
|
|
|
AddChildSpriteScreen(image, pal, offs.x + extra_offs_x, offs.y + extra_offs_y, false, sub);
|
|
|
|
/* Switch back to last ChildSprite list */
|
|
vd->last_child = old_child;
|
|
}
|
|
|
|
/**
|
|
* Draws a ground sprite for the current tile.
|
|
* If the current tile is drawn on top of a foundation the sprite is added as child sprite to the "foundation"-ParentSprite.
|
|
*
|
|
* @param image the image to draw.
|
|
* @param pal the provided palette.
|
|
* @param sub Only draw a part of the sprite.
|
|
*/
|
|
void DrawGroundSprite(SpriteID image, SpriteID pal, const SubSprite *sub)
|
|
{
|
|
ViewportDrawer *vd = _cur_vd;
|
|
/* Switch to first foundation part, if no foundation was drawn */
|
|
if (vd->foundation_part == FOUNDATION_PART_NONE) vd->foundation_part = FOUNDATION_PART_NORMAL;
|
|
|
|
if (vd->foundation[vd->foundation_part] != NULL) {
|
|
AddChildSpriteToFoundation(image, pal, sub, vd->foundation_part, 0, 0);
|
|
} else {
|
|
DrawGroundSpriteAt(image, pal, _cur_ti->x, _cur_ti->y, _cur_ti->z, sub);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Called when a foundation has been drawn for the current tile.
|
|
* Successive ground sprites for the current tile will be drawn as child sprites of the "foundation"-ParentSprite, not as TileSprites.
|
|
*
|
|
* @param x sprite x-offset (screen coordinates) of ground sprites relative to the "foundation"-ParentSprite.
|
|
* @param y sprite y-offset (screen coordinates) of ground sprites relative to the "foundation"-ParentSprite.
|
|
*/
|
|
void OffsetGroundSprite(int x, int y)
|
|
{
|
|
ViewportDrawer *vd = _cur_vd;
|
|
/* Switch to next foundation part */
|
|
switch (vd->foundation_part) {
|
|
case FOUNDATION_PART_NONE:
|
|
vd->foundation_part = FOUNDATION_PART_NORMAL;
|
|
break;
|
|
case FOUNDATION_PART_NORMAL:
|
|
vd->foundation_part = FOUNDATION_PART_HALFTILE;
|
|
break;
|
|
default: NOT_REACHED();
|
|
}
|
|
|
|
/* vd->last_child == NULL if foundation sprite was clipped by the viewport bounds */
|
|
if (vd->last_child != NULL) vd->foundation[vd->foundation_part] = vd->parent_list[-1];
|
|
|
|
vd->foundation_offset[vd->foundation_part].x = x;
|
|
vd->foundation_offset[vd->foundation_part].y = y;
|
|
vd->last_foundation_child[vd->foundation_part] = vd->last_child;
|
|
}
|
|
|
|
/**
|
|
* Adds a child sprite to a parent sprite.
|
|
* In contrast to "AddChildSpriteScreen()" the sprite position is in world coordinates
|
|
*
|
|
* @param image the image to draw.
|
|
* @param pal the provided palette.
|
|
* @param x position x of the sprite.
|
|
* @param y position y of the sprite.
|
|
* @param z position z of the sprite.
|
|
* @param sub Only draw a part of the sprite.
|
|
*/
|
|
static void AddCombinedSprite(SpriteID image, SpriteID pal, int x, int y, byte z, const SubSprite *sub)
|
|
{
|
|
const ViewportDrawer *vd = _cur_vd;
|
|
Point pt = RemapCoords(x, y, z);
|
|
const Sprite* spr = GetSprite(image & SPRITE_MASK);
|
|
|
|
if (pt.x + spr->x_offs >= vd->dpi.left + vd->dpi.width ||
|
|
pt.x + spr->x_offs + spr->width <= vd->dpi.left ||
|
|
pt.y + spr->y_offs >= vd->dpi.top + vd->dpi.height ||
|
|
pt.y + spr->y_offs + spr->height <= vd->dpi.top)
|
|
return;
|
|
|
|
AddChildSpriteScreen(image, pal, pt.x - vd->parent_list[-1]->left, pt.y - vd->parent_list[-1]->top, false, sub);
|
|
}
|
|
|
|
/** Draw a (transparent) sprite at given coordinates with a given bounding box.
|
|
* The bounding box extends from (x + bb_offset_x, y + bb_offset_y, z + bb_offset_z) to (x + w - 1, y + h - 1, z + dz - 1), both corners included.
|
|
* Bounding boxes with bb_offset_x == w or bb_offset_y == h or bb_offset_z == dz are allowed and produce thin slices.
|
|
*
|
|
* @note Bounding boxes are normally specified with bb_offset_x = bb_offset_y = bb_offset_z = 0. The extent of the bounding box in negative direction is
|
|
* defined by the sprite offset in the grf file.
|
|
* However if modifying the sprite offsets is not suitable (e.g. when using existing graphics), the bounding box can be tuned by bb_offset.
|
|
*
|
|
* @pre w >= bb_offset_x, h >= bb_offset_y, dz >= bb_offset_z. Else w, h or dz are ignored.
|
|
*
|
|
* @param image the image to combine and draw,
|
|
* @param pal the provided palette,
|
|
* @param x position X (world) of the sprite,
|
|
* @param y position Y (world) of the sprite,
|
|
* @param w bounding box extent towards positive X (world),
|
|
* @param h bounding box extent towards positive Y (world),
|
|
* @param dz bounding box extent towards positive Z (world),
|
|
* @param z position Z (world) of the sprite,
|
|
* @param transparent if true, switch the palette between the provided palette and the transparent palette,
|
|
* @param bb_offset_x bounding box extent towards negative X (world),
|
|
* @param bb_offset_y bounding box extent towards negative Y (world),
|
|
* @param bb_offset_z bounding box extent towards negative Z (world)
|
|
* @param sub Only draw a part of the sprite.
|
|
*/
|
|
void AddSortableSpriteToDraw(SpriteID image, SpriteID pal, int x, int y, int w, int h, int dz, int z, bool transparent, int bb_offset_x, int bb_offset_y, int bb_offset_z, const SubSprite *sub)
|
|
{
|
|
ViewportDrawer *vd = _cur_vd;
|
|
ParentSpriteToDraw *ps;
|
|
Point pt;
|
|
int32 left, right, top, bottom;
|
|
|
|
assert((image & SPRITE_MASK) < MAX_SPRITES);
|
|
|
|
/* make the sprites transparent with the right palette */
|
|
if (transparent) {
|
|
SetBit(image, PALETTE_MODIFIER_TRANSPARENT);
|
|
pal = PALETTE_TO_TRANSPARENT;
|
|
}
|
|
|
|
if (vd->combine_sprites == 2) {
|
|
AddCombinedSprite(image, pal, x, y, z, sub);
|
|
return;
|
|
}
|
|
|
|
vd->last_child = NULL;
|
|
|
|
if (vd->spritelist_mem >= vd->eof_spritelist_mem) {
|
|
DEBUG(sprite, 0, "Out of sprite memory");
|
|
return;
|
|
}
|
|
ps = (ParentSpriteToDraw*)vd->spritelist_mem;
|
|
|
|
if (vd->parent_list >= vd->eof_parent_list) {
|
|
/* This can happen rarely, mostly when you zoom out completely
|
|
* and have a lot of stuff that moves (and is added to the
|
|
* sort-list, this function). To solve it, increase
|
|
* parent_list somewhere below to a higher number.
|
|
* This can not really hurt you, it just gives some black
|
|
* spots on the screen ;) */
|
|
DEBUG(sprite, 0, "Out of sprite memory (parent_list)");
|
|
return;
|
|
}
|
|
|
|
pt = RemapCoords(x, y, z);
|
|
ps->x = pt.x;
|
|
ps->y = pt.y;
|
|
|
|
/* Compute screen extents of sprite */
|
|
if (image == SPR_EMPTY_BOUNDING_BOX) {
|
|
left = ps->left = RemapCoords(x + w , y + bb_offset_y, z + bb_offset_z).x;
|
|
right = RemapCoords(x + bb_offset_x, y + h , z + bb_offset_z).x + 1;
|
|
top = ps->top = RemapCoords(x + bb_offset_x, y + bb_offset_y, z + dz ).y;
|
|
bottom = RemapCoords(x + w , y + h , z + bb_offset_z).y + 1;
|
|
} else {
|
|
const Sprite *spr = GetSprite(image & SPRITE_MASK);
|
|
left = ps->left = (pt.x += spr->x_offs);
|
|
right = (pt.x + spr->width );
|
|
top = ps->top = (pt.y += spr->y_offs);
|
|
bottom = (pt.y + spr->height);
|
|
}
|
|
|
|
if (_draw_bounding_boxes && (image != SPR_EMPTY_BOUNDING_BOX)) {
|
|
/* Compute maximal extents of sprite and it's bounding box */
|
|
left = min(left , RemapCoords(x + w , y + bb_offset_y, z + bb_offset_z).x);
|
|
right = max(right , RemapCoords(x + bb_offset_x, y + h , z + bb_offset_z).x + 1);
|
|
top = min(top , RemapCoords(x + bb_offset_x, y + bb_offset_y, z + dz ).y);
|
|
bottom = max(bottom, RemapCoords(x + w , y + h , z + bb_offset_z).y + 1);
|
|
}
|
|
|
|
/* Do not add the sprite to the viewport, if it is outside */
|
|
if (left >= vd->dpi.left + vd->dpi.width ||
|
|
right <= vd->dpi.left ||
|
|
top >= vd->dpi.top + vd->dpi.height ||
|
|
bottom <= vd->dpi.top) {
|
|
return;
|
|
}
|
|
|
|
vd->spritelist_mem += sizeof(ParentSpriteToDraw);
|
|
|
|
ps->image = image;
|
|
ps->pal = pal;
|
|
ps->sub = sub;
|
|
ps->xmin = x + bb_offset_x;
|
|
ps->xmax = x + max(bb_offset_x, w) - 1;
|
|
|
|
ps->ymin = y + bb_offset_y;
|
|
ps->ymax = y + max(bb_offset_y, h) - 1;
|
|
|
|
ps->zmin = z + bb_offset_z;
|
|
ps->zmax = z + max(bb_offset_z, dz) - 1;
|
|
|
|
ps->comparison_done = false;
|
|
ps->child = NULL;
|
|
vd->last_child = &ps->child;
|
|
|
|
*vd->parent_list++ = ps;
|
|
|
|
if (vd->combine_sprites == 1) vd->combine_sprites = 2;
|
|
}
|
|
|
|
void StartSpriteCombine()
|
|
{
|
|
_cur_vd->combine_sprites = 1;
|
|
}
|
|
|
|
void EndSpriteCombine()
|
|
{
|
|
_cur_vd->combine_sprites = 0;
|
|
}
|
|
|
|
/**
|
|
* Add a child sprite to a parent sprite.
|
|
*
|
|
* @param image the image to draw.
|
|
* @param pal the provided palette.
|
|
* @param x sprite x-offset (screen coordinates) relative to parent sprite.
|
|
* @param y sprite y-offset (screen coordinates) relative to parent sprite.
|
|
* @param transparent if true, switch the palette between the provided palette and the transparent palette,
|
|
* @param sub Only draw a part of the sprite.
|
|
*/
|
|
void AddChildSpriteScreen(SpriteID image, SpriteID pal, int x, int y, bool transparent, const SubSprite *sub)
|
|
{
|
|
ViewportDrawer *vd = _cur_vd;
|
|
ChildScreenSpriteToDraw *cs;
|
|
|
|
assert((image & SPRITE_MASK) < MAX_SPRITES);
|
|
|
|
/* make the sprites transparent with the right palette */
|
|
if (transparent) {
|
|
SetBit(image, PALETTE_MODIFIER_TRANSPARENT);
|
|
pal = PALETTE_TO_TRANSPARENT;
|
|
}
|
|
|
|
if (vd->spritelist_mem >= vd->eof_spritelist_mem) {
|
|
DEBUG(sprite, 0, "Out of sprite memory");
|
|
return;
|
|
}
|
|
cs = (ChildScreenSpriteToDraw*)vd->spritelist_mem;
|
|
|
|
/* If the ParentSprite was clipped by the viewport bounds, do not draw the ChildSprites either */
|
|
if (vd->last_child == NULL) return;
|
|
|
|
vd->spritelist_mem += sizeof(ChildScreenSpriteToDraw);
|
|
|
|
/* Append the sprite to the active ChildSprite list.
|
|
* If the active ParentSprite is a foundation, update last_foundation_child as well. */
|
|
*vd->last_child = cs;
|
|
if (vd->last_foundation_child[0] == vd->last_child) vd->last_foundation_child[0] = &cs->next;
|
|
if (vd->last_foundation_child[1] == vd->last_child) vd->last_foundation_child[1] = &cs->next;
|
|
vd->last_child = &cs->next;
|
|
|
|
cs->image = image;
|
|
cs->pal = pal;
|
|
cs->sub = sub;
|
|
cs->x = x;
|
|
cs->y = y;
|
|
cs->next = NULL;
|
|
}
|
|
|
|
/* Returns a StringSpriteToDraw */
|
|
void *AddStringToDraw(int x, int y, StringID string, uint64 params_1, uint64 params_2)
|
|
{
|
|
ViewportDrawer *vd = _cur_vd;
|
|
StringSpriteToDraw *ss;
|
|
|
|
if (vd->spritelist_mem >= vd->eof_spritelist_mem) {
|
|
DEBUG(sprite, 0, "Out of sprite memory");
|
|
return NULL;
|
|
}
|
|
ss = (StringSpriteToDraw*)vd->spritelist_mem;
|
|
|
|
vd->spritelist_mem += sizeof(StringSpriteToDraw);
|
|
|
|
ss->string = string;
|
|
ss->next = NULL;
|
|
ss->x = x;
|
|
ss->y = y;
|
|
ss->params[0] = params_1;
|
|
ss->params[1] = params_2;
|
|
ss->width = 0;
|
|
|
|
*vd->last_string = ss;
|
|
vd->last_string = &ss->next;
|
|
|
|
return ss;
|
|
}
|
|
|
|
|
|
/**
|
|
* Draws sprites between ground sprite and everything above.
|
|
*
|
|
* The sprite is either drawn as TileSprite or as ChildSprite of the active foundation.
|
|
*
|
|
* @param image the image to draw.
|
|
* @param pal the provided palette.
|
|
* @param ti TileInfo Tile that is being drawn
|
|
* @param z_offset Z offset relative to the groundsprite. Only used for the sprite position, not for sprite sorting.
|
|
* @param foundation_part Foundation part the sprite belongs to.
|
|
*/
|
|
static void DrawSelectionSprite(SpriteID image, SpriteID pal, const TileInfo *ti, int z_offset, FoundationPart foundation_part)
|
|
{
|
|
/* FIXME: This is not totally valid for some autorail highlights, that extent over the edges of the tile. */
|
|
if (_cur_vd->foundation[foundation_part] == NULL) {
|
|
/* draw on real ground */
|
|
DrawGroundSpriteAt(image, pal, ti->x, ti->y, ti->z + z_offset);
|
|
} else {
|
|
/* draw on top of foundation */
|
|
AddChildSpriteToFoundation(image, pal, NULL, foundation_part, 0, -z_offset);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Draws a selection rectangle on a tile.
|
|
*
|
|
* @param ti TileInfo Tile that is being drawn
|
|
* @param pal Palette to apply.
|
|
*/
|
|
static void DrawTileSelectionRect(const TileInfo *ti, SpriteID pal)
|
|
{
|
|
SpriteID sel;
|
|
if (IsHalftileSlope(ti->tileh)) {
|
|
Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
|
|
SpriteID sel2 = SPR_HALFTILE_SELECTION_FLAT + halftile_corner;
|
|
DrawSelectionSprite(sel2, pal, ti, 7 + TILE_HEIGHT, FOUNDATION_PART_HALFTILE);
|
|
|
|
Corner opposite_corner = OppositeCorner(halftile_corner);
|
|
if (IsSteepSlope(ti->tileh)) {
|
|
sel = SPR_HALFTILE_SELECTION_DOWN;
|
|
} else {
|
|
sel = ((ti->tileh & SlopeWithOneCornerRaised(opposite_corner)) != 0 ? SPR_HALFTILE_SELECTION_UP : SPR_HALFTILE_SELECTION_FLAT);
|
|
}
|
|
sel += opposite_corner;
|
|
} else {
|
|
sel = SPR_SELECT_TILE + _tileh_to_sprite[ti->tileh];
|
|
}
|
|
DrawSelectionSprite(sel, pal, ti, 7, FOUNDATION_PART_NORMAL);
|
|
}
|
|
|
|
static bool IsPartOfAutoLine(int px, int py)
|
|
{
|
|
px -= _thd.selstart.x;
|
|
py -= _thd.selstart.y;
|
|
|
|
if ((_thd.drawstyle & ~HT_DIR_MASK) != HT_LINE) return false;
|
|
|
|
switch (_thd.drawstyle & HT_DIR_MASK) {
|
|
case HT_DIR_X: return py == 0; // x direction
|
|
case HT_DIR_Y: return px == 0; // y direction
|
|
case HT_DIR_HU: return px == -py || px == -py - 16; // horizontal upper
|
|
case HT_DIR_HL: return px == -py || px == -py + 16; // horizontal lower
|
|
case HT_DIR_VL: return px == py || px == py + 16; // vertival left
|
|
case HT_DIR_VR: return px == py || px == py - 16; // vertical right
|
|
default:
|
|
NOT_REACHED();
|
|
}
|
|
}
|
|
|
|
// [direction][side]
|
|
static const HighLightStyle _autorail_type[6][2] = {
|
|
{ HT_DIR_X, HT_DIR_X },
|
|
{ HT_DIR_Y, HT_DIR_Y },
|
|
{ HT_DIR_HU, HT_DIR_HL },
|
|
{ HT_DIR_HL, HT_DIR_HU },
|
|
{ HT_DIR_VL, HT_DIR_VR },
|
|
{ HT_DIR_VR, HT_DIR_VL }
|
|
};
|
|
|
|
#include "table/autorail.h"
|
|
|
|
/**
|
|
* Draws autorail highlights.
|
|
*
|
|
* @param *ti TileInfo Tile that is being drawn
|
|
* @param autorail_type Offset into _AutorailTilehSprite[][]
|
|
*/
|
|
static void DrawAutorailSelection(const TileInfo *ti, uint autorail_type)
|
|
{
|
|
SpriteID image;
|
|
SpriteID pal;
|
|
int offset;
|
|
|
|
FoundationPart foundation_part = FOUNDATION_PART_NORMAL;
|
|
Slope autorail_tileh = RemoveHalftileSlope(ti->tileh);
|
|
if (IsHalftileSlope(ti->tileh)) {
|
|
static const uint _lower_rail[4] = { 5U, 2U, 4U, 3U };
|
|
Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
|
|
if (autorail_type != _lower_rail[halftile_corner]) {
|
|
foundation_part = FOUNDATION_PART_HALFTILE;
|
|
/* Here we draw the highlights of the "three-corners-raised"-slope. That looks ok to me. */
|
|
autorail_tileh = SlopeWithThreeCornersRaised(OppositeCorner(halftile_corner));
|
|
}
|
|
}
|
|
|
|
offset = _AutorailTilehSprite[autorail_tileh][autorail_type];
|
|
if (offset >= 0) {
|
|
image = SPR_AUTORAIL_BASE + offset;
|
|
pal = PAL_NONE;
|
|
} else {
|
|
image = SPR_AUTORAIL_BASE - offset;
|
|
pal = PALETTE_SEL_TILE_RED;
|
|
}
|
|
|
|
DrawSelectionSprite(image, _thd.make_square_red ? PALETTE_SEL_TILE_RED : pal, ti, 7, foundation_part);
|
|
}
|
|
|
|
/**
|
|
* Checks if the specified tile is selected and if so draws selection using correct selectionstyle.
|
|
* @param *ti TileInfo Tile that is being drawn
|
|
*/
|
|
static void DrawTileSelection(const TileInfo *ti)
|
|
{
|
|
/* Draw a red error square? */
|
|
bool is_redsq = _thd.redsq != 0 && _thd.redsq == ti->tile;
|
|
if (is_redsq) DrawTileSelectionRect(ti, PALETTE_TILE_RED_PULSATING);
|
|
|
|
/* no selection active? */
|
|
if (_thd.drawstyle == 0) return;
|
|
|
|
/* Inside the inner area? */
|
|
if (IsInsideBS(ti->x, _thd.pos.x, _thd.size.x) &&
|
|
IsInsideBS(ti->y, _thd.pos.y, _thd.size.y)) {
|
|
if (_thd.drawstyle & HT_RECT) {
|
|
if (!is_redsq) DrawTileSelectionRect(ti, _thd.make_square_red ? PALETTE_SEL_TILE_RED : PAL_NONE);
|
|
} else if (_thd.drawstyle & HT_POINT) {
|
|
/* Figure out the Z coordinate for the single dot. */
|
|
byte z = 0;
|
|
FoundationPart foundation_part = FOUNDATION_PART_NORMAL;
|
|
if (ti->tileh & SLOPE_N) {
|
|
z += TILE_HEIGHT;
|
|
if (RemoveHalftileSlope(ti->tileh) == SLOPE_STEEP_N) z += TILE_HEIGHT;
|
|
}
|
|
if (IsHalftileSlope(ti->tileh)) {
|
|
Corner halftile_corner = GetHalftileSlopeCorner(ti->tileh);
|
|
if ((halftile_corner == CORNER_W) || (halftile_corner == CORNER_E)) z += TILE_HEIGHT;
|
|
if (halftile_corner != CORNER_S) {
|
|
foundation_part = FOUNDATION_PART_HALFTILE;
|
|
if (IsSteepSlope(ti->tileh)) z -= TILE_HEIGHT;
|
|
}
|
|
}
|
|
DrawSelectionSprite(_cur_dpi->zoom <= ZOOM_LVL_DETAIL ? SPR_DOT : SPR_DOT_SMALL, PAL_NONE, ti, z, foundation_part);
|
|
} else if (_thd.drawstyle & HT_RAIL /*&& _thd.place_mode == VHM_RAIL*/) {
|
|
/* autorail highlight piece under cursor */
|
|
uint type = _thd.drawstyle & 0xF;
|
|
assert(type <= 5);
|
|
DrawAutorailSelection(ti, _autorail_type[type][0]);
|
|
} else if (IsPartOfAutoLine(ti->x, ti->y)) {
|
|
/* autorail highlighting long line */
|
|
int dir = _thd.drawstyle & ~0xF0;
|
|
uint side;
|
|
|
|
if (dir < 2) {
|
|
side = 0;
|
|
} else {
|
|
TileIndex start = TileVirtXY(_thd.selstart.x, _thd.selstart.y);
|
|
side = Delta(Delta(TileX(start), TileX(ti->tile)), Delta(TileY(start), TileY(ti->tile)));
|
|
}
|
|
|
|
DrawAutorailSelection(ti, _autorail_type[dir][side]);
|
|
}
|
|
return;
|
|
}
|
|
|
|
/* Check if it's inside the outer area? */
|
|
if (!is_redsq && _thd.outersize.x &&
|
|
_thd.size.x < _thd.size.x + _thd.outersize.x &&
|
|
IsInsideBS(ti->x, _thd.pos.x + _thd.offs.x, _thd.size.x + _thd.outersize.x) &&
|
|
IsInsideBS(ti->y, _thd.pos.y + _thd.offs.y, _thd.size.y + _thd.outersize.y)) {
|
|
/* Draw a blue rect. */
|
|
DrawTileSelectionRect(ti, PALETTE_SEL_TILE_BLUE);
|
|
return;
|
|
}
|
|
}
|
|
|
|
static void ViewportAddLandscape()
|
|
{
|
|
ViewportDrawer *vd = _cur_vd;
|
|
int x, y, width, height;
|
|
TileInfo ti;
|
|
bool direction;
|
|
|
|
_cur_ti = &ti;
|
|
|
|
/* Transform into tile coordinates and round to closest full tile */
|
|
x = ((vd->dpi.top >> 1) - (vd->dpi.left >> 2)) & ~0xF;
|
|
y = ((vd->dpi.top >> 1) + (vd->dpi.left >> 2) - 0x10) & ~0xF;
|
|
|
|
/* determine size of area */
|
|
{
|
|
Point pt = RemapCoords(x, y, 241);
|
|
width = (vd->dpi.left + vd->dpi.width - pt.x + 95) >> 6;
|
|
height = (vd->dpi.top + vd->dpi.height - pt.y) >> 5 << 1;
|
|
}
|
|
|
|
assert(width > 0);
|
|
assert(height > 0);
|
|
|
|
direction = false;
|
|
|
|
do {
|
|
int width_cur = width;
|
|
int x_cur = x;
|
|
int y_cur = y;
|
|
|
|
do {
|
|
TileType tt;
|
|
|
|
ti.x = x_cur;
|
|
ti.y = y_cur;
|
|
if (0 <= x_cur && x_cur < (int)MapMaxX() * TILE_SIZE &&
|
|
0 <= y_cur && y_cur < (int)MapMaxY() * TILE_SIZE) {
|
|
TileIndex tile = TileVirtXY(x_cur, y_cur);
|
|
|
|
ti.tile = tile;
|
|
ti.tileh = GetTileSlope(tile, &ti.z);
|
|
tt = GetTileType(tile);
|
|
} else {
|
|
ti.tileh = SLOPE_FLAT;
|
|
ti.tile = 0;
|
|
ti.z = 0;
|
|
tt = MP_VOID;
|
|
}
|
|
|
|
y_cur += 0x10;
|
|
x_cur -= 0x10;
|
|
|
|
vd->foundation_part = FOUNDATION_PART_NONE;
|
|
vd->foundation[0] = NULL;
|
|
vd->foundation[1] = NULL;
|
|
vd->last_foundation_child[0] = NULL;
|
|
vd->last_foundation_child[1] = NULL;
|
|
|
|
_tile_type_procs[tt]->draw_tile_proc(&ti);
|
|
DrawTileSelection(&ti);
|
|
} while (--width_cur);
|
|
|
|
if ((direction ^= 1) != 0) {
|
|
y += 0x10;
|
|
} else {
|
|
x += 0x10;
|
|
}
|
|
} while (--height);
|
|
}
|
|
|
|
|
|
static void ViewportAddTownNames(DrawPixelInfo *dpi)
|
|
{
|
|
Town *t;
|
|
int left, top, right, bottom;
|
|
|
|
if (!HasBit(_display_opt, DO_SHOW_TOWN_NAMES) || _game_mode == GM_MENU)
|
|
return;
|
|
|
|
left = dpi->left;
|
|
top = dpi->top;
|
|
right = left + dpi->width;
|
|
bottom = top + dpi->height;
|
|
|
|
switch (dpi->zoom) {
|
|
case ZOOM_LVL_NORMAL:
|
|
FOR_ALL_TOWNS(t) {
|
|
if (bottom > t->sign.top &&
|
|
top < t->sign.top + 12 &&
|
|
right > t->sign.left &&
|
|
left < t->sign.left + t->sign.width_1) {
|
|
AddStringToDraw(t->sign.left + 1, t->sign.top + 1,
|
|
_patches.population_in_label ? STR_TOWN_LABEL_POP : STR_TOWN_LABEL,
|
|
t->index, t->population);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case ZOOM_LVL_OUT_2X:
|
|
right += 2;
|
|
bottom += 2;
|
|
|
|
FOR_ALL_TOWNS(t) {
|
|
if (bottom > t->sign.top &&
|
|
top < t->sign.top + 24 &&
|
|
right > t->sign.left &&
|
|
left < t->sign.left + t->sign.width_1*2) {
|
|
AddStringToDraw(t->sign.left + 1, t->sign.top + 1,
|
|
_patches.population_in_label ? STR_TOWN_LABEL_POP : STR_TOWN_LABEL,
|
|
t->index, t->population);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case ZOOM_LVL_OUT_4X:
|
|
case ZOOM_LVL_OUT_8X:
|
|
right += ScaleByZoom(1, dpi->zoom);
|
|
bottom += ScaleByZoom(1, dpi->zoom) + 1;
|
|
|
|
FOR_ALL_TOWNS(t) {
|
|
if (bottom > t->sign.top &&
|
|
top < t->sign.top + ScaleByZoom(12, dpi->zoom) &&
|
|
right > t->sign.left &&
|
|
left < t->sign.left + ScaleByZoom(t->sign.width_2, dpi->zoom)) {
|
|
AddStringToDraw(t->sign.left + 5, t->sign.top + 1, STR_TOWN_LABEL_TINY_BLACK, t->index, 0);
|
|
AddStringToDraw(t->sign.left + 1, t->sign.top - 3, STR_TOWN_LABEL_TINY_WHITE, t->index, 0);
|
|
}
|
|
}
|
|
break;
|
|
|
|
default: NOT_REACHED();
|
|
}
|
|
}
|
|
|
|
|
|
static void AddStation(const Station *st, StringID str, uint16 width)
|
|
{
|
|
StringSpriteToDraw *sstd;
|
|
|
|
sstd = (StringSpriteToDraw*)AddStringToDraw(st->sign.left + 1, st->sign.top + 1, str, st->index, st->facilities);
|
|
if (sstd != NULL) {
|
|
sstd->color = (st->owner == OWNER_NONE || st->facilities == 0) ? 0xE : _player_colors[st->owner];
|
|
sstd->width = width;
|
|
}
|
|
}
|
|
|
|
|
|
static void ViewportAddStationNames(DrawPixelInfo *dpi)
|
|
{
|
|
int left, top, right, bottom;
|
|
const Station *st;
|
|
|
|
if (!HasBit(_display_opt, DO_SHOW_STATION_NAMES) || _game_mode == GM_MENU)
|
|
return;
|
|
|
|
left = dpi->left;
|
|
top = dpi->top;
|
|
right = left + dpi->width;
|
|
bottom = top + dpi->height;
|
|
|
|
switch (dpi->zoom) {
|
|
case ZOOM_LVL_NORMAL:
|
|
FOR_ALL_STATIONS(st) {
|
|
if (bottom > st->sign.top &&
|
|
top < st->sign.top + 12 &&
|
|
right > st->sign.left &&
|
|
left < st->sign.left + st->sign.width_1) {
|
|
AddStation(st, STR_305C_0, st->sign.width_1);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case ZOOM_LVL_OUT_2X:
|
|
right += 2;
|
|
bottom += 2;
|
|
FOR_ALL_STATIONS(st) {
|
|
if (bottom > st->sign.top &&
|
|
top < st->sign.top + 24 &&
|
|
right > st->sign.left &&
|
|
left < st->sign.left + st->sign.width_1*2) {
|
|
AddStation(st, STR_305C_0, st->sign.width_1);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case ZOOM_LVL_OUT_4X:
|
|
case ZOOM_LVL_OUT_8X:
|
|
right += ScaleByZoom(1, dpi->zoom);
|
|
bottom += ScaleByZoom(1, dpi->zoom) + 1;
|
|
|
|
FOR_ALL_STATIONS(st) {
|
|
if (bottom > st->sign.top &&
|
|
top < st->sign.top + ScaleByZoom(12, dpi->zoom) &&
|
|
right > st->sign.left &&
|
|
left < st->sign.left + ScaleByZoom(st->sign.width_2, dpi->zoom)) {
|
|
AddStation(st, STR_STATION_SIGN_TINY, st->sign.width_2 | 0x8000);
|
|
}
|
|
}
|
|
break;
|
|
|
|
default: NOT_REACHED();
|
|
}
|
|
}
|
|
|
|
|
|
static void AddSign(const Sign *si, StringID str, uint16 width)
|
|
{
|
|
StringSpriteToDraw *sstd;
|
|
|
|
sstd = (StringSpriteToDraw*)AddStringToDraw(si->sign.left + 1, si->sign.top + 1, str, si->index, 0);
|
|
if (sstd != NULL) {
|
|
sstd->color = (si->owner == OWNER_NONE) ? 14 : _player_colors[si->owner];
|
|
sstd->width = width;
|
|
}
|
|
}
|
|
|
|
|
|
static void ViewportAddSigns(DrawPixelInfo *dpi)
|
|
{
|
|
const Sign *si;
|
|
int left, top, right, bottom;
|
|
|
|
/* Signs are turned off or are invisible */
|
|
if (!HasBit(_display_opt, DO_SHOW_SIGNS) || IsInvisibilitySet(TO_SIGNS)) return;
|
|
|
|
left = dpi->left;
|
|
top = dpi->top;
|
|
right = left + dpi->width;
|
|
bottom = top + dpi->height;
|
|
|
|
switch (dpi->zoom) {
|
|
case ZOOM_LVL_NORMAL:
|
|
FOR_ALL_SIGNS(si) {
|
|
if (bottom > si->sign.top &&
|
|
top < si->sign.top + 12 &&
|
|
right > si->sign.left &&
|
|
left < si->sign.left + si->sign.width_1) {
|
|
AddSign(si, STR_2806, si->sign.width_1);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case ZOOM_LVL_OUT_2X:
|
|
right += 2;
|
|
bottom += 2;
|
|
FOR_ALL_SIGNS(si) {
|
|
if (bottom > si->sign.top &&
|
|
top < si->sign.top + 24 &&
|
|
right > si->sign.left &&
|
|
left < si->sign.left + si->sign.width_1 * 2) {
|
|
AddSign(si, STR_2806, si->sign.width_1);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case ZOOM_LVL_OUT_4X:
|
|
case ZOOM_LVL_OUT_8X:
|
|
right += ScaleByZoom(1, dpi->zoom);
|
|
bottom += ScaleByZoom(1, dpi->zoom) + 1;
|
|
|
|
FOR_ALL_SIGNS(si) {
|
|
if (bottom > si->sign.top &&
|
|
top < si->sign.top + ScaleByZoom(12, dpi->zoom) &&
|
|
right > si->sign.left &&
|
|
left < si->sign.left + ScaleByZoom(si->sign.width_2, dpi->zoom)) {
|
|
AddSign(si, IsTransparencySet(TO_SIGNS) ? STR_2002_WHITE : STR_2002, si->sign.width_2 | 0x8000);
|
|
}
|
|
}
|
|
break;
|
|
|
|
default: NOT_REACHED();
|
|
}
|
|
}
|
|
|
|
|
|
static void AddWaypoint(const Waypoint *wp, StringID str, uint16 width)
|
|
{
|
|
StringSpriteToDraw *sstd;
|
|
|
|
sstd = (StringSpriteToDraw*)AddStringToDraw(wp->sign.left + 1, wp->sign.top + 1, str, wp->index, 0);
|
|
if (sstd != NULL) {
|
|
sstd->color = (wp->deleted ? 0xE : 11);
|
|
sstd->width = width;
|
|
}
|
|
}
|
|
|
|
|
|
static void ViewportAddWaypoints(DrawPixelInfo *dpi)
|
|
{
|
|
const Waypoint *wp;
|
|
int left, top, right, bottom;
|
|
|
|
if (!HasBit(_display_opt, DO_WAYPOINTS))
|
|
return;
|
|
|
|
left = dpi->left;
|
|
top = dpi->top;
|
|
right = left + dpi->width;
|
|
bottom = top + dpi->height;
|
|
|
|
switch (dpi->zoom) {
|
|
case ZOOM_LVL_NORMAL:
|
|
FOR_ALL_WAYPOINTS(wp) {
|
|
if (bottom > wp->sign.top &&
|
|
top < wp->sign.top + 12 &&
|
|
right > wp->sign.left &&
|
|
left < wp->sign.left + wp->sign.width_1) {
|
|
AddWaypoint(wp, STR_WAYPOINT_VIEWPORT, wp->sign.width_1);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case ZOOM_LVL_OUT_2X:
|
|
right += 2;
|
|
bottom += 2;
|
|
FOR_ALL_WAYPOINTS(wp) {
|
|
if (bottom > wp->sign.top &&
|
|
top < wp->sign.top + 24 &&
|
|
right > wp->sign.left &&
|
|
left < wp->sign.left + wp->sign.width_1*2) {
|
|
AddWaypoint(wp, STR_WAYPOINT_VIEWPORT, wp->sign.width_1);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case ZOOM_LVL_OUT_4X:
|
|
case ZOOM_LVL_OUT_8X:
|
|
right += ScaleByZoom(1, dpi->zoom);
|
|
bottom += ScaleByZoom(1, dpi->zoom) + 1;
|
|
|
|
FOR_ALL_WAYPOINTS(wp) {
|
|
if (bottom > wp->sign.top &&
|
|
top < wp->sign.top + ScaleByZoom(12, dpi->zoom) &&
|
|
right > wp->sign.left &&
|
|
left < wp->sign.left + ScaleByZoom(wp->sign.width_2, dpi->zoom)) {
|
|
AddWaypoint(wp, STR_WAYPOINT_VIEWPORT_TINY, wp->sign.width_2 | 0x8000);
|
|
}
|
|
}
|
|
break;
|
|
|
|
default: NOT_REACHED();
|
|
}
|
|
}
|
|
|
|
void UpdateViewportSignPos(ViewportSign *sign, int left, int top, StringID str)
|
|
{
|
|
char buffer[128];
|
|
uint w;
|
|
|
|
sign->top = top;
|
|
|
|
GetString(buffer, str, lastof(buffer));
|
|
w = GetStringBoundingBox(buffer).width + 3;
|
|
sign->width_1 = w;
|
|
sign->left = left - w / 2;
|
|
|
|
/* zoomed out version */
|
|
_cur_fontsize = FS_SMALL;
|
|
w = GetStringBoundingBox(buffer).width + 3;
|
|
_cur_fontsize = FS_NORMAL;
|
|
sign->width_2 = w;
|
|
}
|
|
|
|
|
|
static void ViewportDrawTileSprites(TileSpriteToDraw *ts)
|
|
{
|
|
do {
|
|
Point pt = RemapCoords(ts->x, ts->y, ts->z);
|
|
DrawSprite(ts->image, ts->pal, pt.x, pt.y, ts->sub);
|
|
ts = ts->next;
|
|
} while (ts != NULL);
|
|
}
|
|
|
|
static void ViewportSortParentSprites(ParentSpriteToDraw *psd[])
|
|
{
|
|
while (*psd != NULL) {
|
|
ParentSpriteToDraw* ps = *psd;
|
|
|
|
if (!ps->comparison_done) {
|
|
ParentSpriteToDraw** psd2 = psd;
|
|
|
|
ps->comparison_done = true;
|
|
|
|
while (*++psd2 != NULL) {
|
|
ParentSpriteToDraw* ps2 = *psd2;
|
|
ParentSpriteToDraw** psd3;
|
|
|
|
if (ps2->comparison_done) continue;
|
|
|
|
/* Decide which comparator to use, based on whether the bounding
|
|
* boxes overlap
|
|
*/
|
|
if (ps->xmax >= ps2->xmin && ps->xmin <= ps2->xmax && // overlap in X?
|
|
ps->ymax >= ps2->ymin && ps->ymin <= ps2->ymax && // overlap in Y?
|
|
ps->zmax >= ps2->zmin && ps->zmin <= ps2->zmax) { // overlap in Z?
|
|
/* Use X+Y+Z as the sorting order, so sprites closer to the bottom of
|
|
* the screen and with higher Z elevation, are drawn in front.
|
|
* Here X,Y,Z are the coordinates of the "center of mass" of the sprite,
|
|
* i.e. X=(left+right)/2, etc.
|
|
* However, since we only care about order, don't actually divide / 2
|
|
*/
|
|
if (ps->xmin + ps->xmax + ps->ymin + ps->ymax + ps->zmin + ps->zmax <=
|
|
ps2->xmin + ps2->xmax + ps2->ymin + ps2->ymax + ps2->zmin + ps2->zmax) {
|
|
continue;
|
|
}
|
|
} else {
|
|
/* We only change the order, if it is definite.
|
|
* I.e. every single order of X, Y, Z says ps2 is behind ps or they overlap.
|
|
* That is: If one partial order says ps behind ps2, do not change the order.
|
|
*/
|
|
if (ps->xmax < ps2->xmin ||
|
|
ps->ymax < ps2->ymin ||
|
|
ps->zmax < ps2->zmin) {
|
|
continue;
|
|
}
|
|
}
|
|
|
|
/* Swap the two sprites ps and ps2 using bubble-sort algorithm. */
|
|
psd3 = psd;
|
|
do {
|
|
ParentSpriteToDraw* temp = *psd3;
|
|
*psd3 = ps2;
|
|
ps2 = temp;
|
|
|
|
psd3++;
|
|
} while (psd3 <= psd2);
|
|
}
|
|
} else {
|
|
psd++;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void ViewportDrawParentSprites(ParentSpriteToDraw *psd[])
|
|
{
|
|
for (; *psd != NULL; psd++) {
|
|
const ParentSpriteToDraw* ps = *psd;
|
|
const ChildScreenSpriteToDraw* cs;
|
|
|
|
if (ps->image != SPR_EMPTY_BOUNDING_BOX) DrawSprite(ps->image, ps->pal, ps->x, ps->y, ps->sub);
|
|
|
|
for (cs = ps->child; cs != NULL; cs = cs->next) {
|
|
DrawSprite(cs->image, cs->pal, ps->left + cs->x, ps->top + cs->y, cs->sub);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Draws the bounding boxes of all ParentSprites
|
|
* @param psd Array of ParentSprites
|
|
*/
|
|
static void ViewportDrawBoundingBoxes(ParentSpriteToDraw *psd[])
|
|
{
|
|
for (; *psd != NULL; psd++) {
|
|
const ParentSpriteToDraw* ps = *psd;
|
|
Point pt1 = RemapCoords(ps->xmax + 1, ps->ymax + 1, ps->zmax + 1); // top front corner
|
|
Point pt2 = RemapCoords(ps->xmin , ps->ymax + 1, ps->zmax + 1); // top left corner
|
|
Point pt3 = RemapCoords(ps->xmax + 1, ps->ymin , ps->zmax + 1); // top right corner
|
|
Point pt4 = RemapCoords(ps->xmax + 1, ps->ymax + 1, ps->zmin ); // bottom front corner
|
|
|
|
DrawBox( pt1.x, pt1.y,
|
|
pt2.x - pt1.x, pt2.y - pt1.y,
|
|
pt3.x - pt1.x, pt3.y - pt1.y,
|
|
pt4.x - pt1.x, pt4.y - pt1.y);
|
|
}
|
|
}
|
|
|
|
static void ViewportDrawStrings(DrawPixelInfo *dpi, const StringSpriteToDraw *ss)
|
|
{
|
|
DrawPixelInfo dp;
|
|
ZoomLevel zoom;
|
|
|
|
_cur_dpi = &dp;
|
|
dp = *dpi;
|
|
|
|
zoom = dp.zoom;
|
|
dp.zoom = ZOOM_LVL_NORMAL;
|
|
|
|
dp.left = UnScaleByZoom(dp.left, zoom);
|
|
dp.top = UnScaleByZoom(dp.top, zoom);
|
|
dp.width = UnScaleByZoom(dp.width, zoom);
|
|
dp.height = UnScaleByZoom(dp.height, zoom);
|
|
|
|
do {
|
|
uint16 colour;
|
|
|
|
if (ss->width != 0) {
|
|
/* Do not draw signs nor station names if they are set invisible */
|
|
if (IsInvisibilitySet(TO_SIGNS) && ss->string != STR_2806) {
|
|
ss = ss->next;
|
|
continue;
|
|
}
|
|
|
|
int x = UnScaleByZoom(ss->x, zoom) - 1;
|
|
int y = UnScaleByZoom(ss->y, zoom) - 1;
|
|
int bottom = y + 11;
|
|
int w = ss->width;
|
|
|
|
if (w & 0x8000) {
|
|
w &= ~0x8000;
|
|
y--;
|
|
bottom -= 6;
|
|
w -= 3;
|
|
}
|
|
|
|
/* Draw the rectangle if 'tranparent station signs' is off,
|
|
* or if we are drawing a general text sign (STR_2806) */
|
|
if (!IsTransparencySet(TO_SIGNS) || ss->string == STR_2806) {
|
|
DrawFrameRect(
|
|
x, y, x + w, bottom, ss->color,
|
|
IsTransparencySet(TO_SIGNS) ? FR_TRANSPARENT : FR_NONE
|
|
);
|
|
}
|
|
}
|
|
|
|
SetDParam(0, ss->params[0]);
|
|
SetDParam(1, ss->params[1]);
|
|
/* if we didn't draw a rectangle, or if transparant building is on,
|
|
* draw the text in the color the rectangle would have */
|
|
if (IsTransparencySet(TO_SIGNS) && ss->string != STR_2806 && ss->width != 0) {
|
|
/* Real colors need the IS_PALETTE_COLOR flag
|
|
* otherwise colors from _string_colormap are assumed. */
|
|
colour = _colour_gradient[ss->color][6] | IS_PALETTE_COLOR;
|
|
} else {
|
|
colour = TC_BLACK;
|
|
}
|
|
DrawString(
|
|
UnScaleByZoom(ss->x, zoom), UnScaleByZoom(ss->y, zoom) - (ss->width & 0x8000 ? 2 : 0),
|
|
ss->string, colour
|
|
);
|
|
|
|
ss = ss->next;
|
|
} while (ss != NULL);
|
|
}
|
|
|
|
void ViewportDoDraw(const ViewPort *vp, int left, int top, int right, int bottom)
|
|
{
|
|
ViewportDrawer vd;
|
|
int mask;
|
|
int x;
|
|
int y;
|
|
DrawPixelInfo *old_dpi;
|
|
|
|
SmallStackSafeStackAlloc<byte, VIEWPORT_DRAW_MEM> mem;
|
|
SmallStackSafeStackAlloc<ParentSpriteToDraw*, PARENT_LIST_SIZE> parent_list;
|
|
|
|
_cur_vd = &vd;
|
|
|
|
old_dpi = _cur_dpi;
|
|
_cur_dpi = &vd.dpi;
|
|
|
|
vd.dpi.zoom = vp->zoom;
|
|
mask = ScaleByZoom(-1, vp->zoom);
|
|
|
|
vd.combine_sprites = 0;
|
|
|
|
vd.dpi.width = (right - left) & mask;
|
|
vd.dpi.height = (bottom - top) & mask;
|
|
vd.dpi.left = left & mask;
|
|
vd.dpi.top = top & mask;
|
|
vd.dpi.pitch = old_dpi->pitch;
|
|
|
|
x = UnScaleByZoom(vd.dpi.left - (vp->virtual_left & mask), vp->zoom) + vp->left;
|
|
y = UnScaleByZoom(vd.dpi.top - (vp->virtual_top & mask), vp->zoom) + vp->top;
|
|
|
|
vd.dpi.dst_ptr = BlitterFactoryBase::GetCurrentBlitter()->MoveTo(old_dpi->dst_ptr, x - old_dpi->left, y - old_dpi->top);
|
|
|
|
vd.parent_list = parent_list;
|
|
vd.eof_parent_list = parent_list.EndOf();
|
|
vd.spritelist_mem = mem;
|
|
vd.eof_spritelist_mem = mem.EndOf() - sizeof(LARGEST_SPRITELIST_STRUCT);
|
|
vd.last_string = &vd.first_string;
|
|
vd.first_string = NULL;
|
|
vd.last_tile = &vd.first_tile;
|
|
vd.first_tile = NULL;
|
|
|
|
ViewportAddLandscape();
|
|
ViewportAddVehicles(&vd.dpi);
|
|
DrawTextEffects(&vd.dpi);
|
|
|
|
ViewportAddTownNames(&vd.dpi);
|
|
ViewportAddStationNames(&vd.dpi);
|
|
ViewportAddSigns(&vd.dpi);
|
|
ViewportAddWaypoints(&vd.dpi);
|
|
|
|
/* This assert should never happen (because the length of the parent_list
|
|
* is checked) */
|
|
assert(vd.parent_list <= endof(parent_list));
|
|
|
|
if (vd.first_tile != NULL) ViewportDrawTileSprites(vd.first_tile);
|
|
|
|
/* null terminate parent sprite list */
|
|
*vd.parent_list = NULL;
|
|
|
|
ViewportSortParentSprites(parent_list);
|
|
ViewportDrawParentSprites(parent_list);
|
|
|
|
if (_draw_bounding_boxes) ViewportDrawBoundingBoxes(parent_list);
|
|
|
|
if (vd.first_string != NULL) ViewportDrawStrings(&vd.dpi, vd.first_string);
|
|
|
|
_cur_dpi = old_dpi;
|
|
}
|
|
|
|
/** Make sure we don't draw a too big area at a time.
|
|
* If we do, the sprite memory will overflow. */
|
|
static void ViewportDrawChk(const ViewPort *vp, int left, int top, int right, int bottom)
|
|
{
|
|
if (ScaleByZoom(bottom - top, vp->zoom) * ScaleByZoom(right - left, vp->zoom) > 180000) {
|
|
if ((bottom - top) > (right - left)) {
|
|
int t = (top + bottom) >> 1;
|
|
ViewportDrawChk(vp, left, top, right, t);
|
|
ViewportDrawChk(vp, left, t, right, bottom);
|
|
} else {
|
|
int t = (left + right) >> 1;
|
|
ViewportDrawChk(vp, left, top, t, bottom);
|
|
ViewportDrawChk(vp, t, top, right, bottom);
|
|
}
|
|
} else {
|
|
ViewportDoDraw(vp,
|
|
ScaleByZoom(left - vp->left, vp->zoom) + vp->virtual_left,
|
|
ScaleByZoom(top - vp->top, vp->zoom) + vp->virtual_top,
|
|
ScaleByZoom(right - vp->left, vp->zoom) + vp->virtual_left,
|
|
ScaleByZoom(bottom - vp->top, vp->zoom) + vp->virtual_top
|
|
);
|
|
}
|
|
}
|
|
|
|
static inline void ViewportDraw(const ViewPort *vp, int left, int top, int right, int bottom)
|
|
{
|
|
if (right <= vp->left || bottom <= vp->top) return;
|
|
|
|
if (left >= vp->left + vp->width) return;
|
|
|
|
if (left < vp->left) left = vp->left;
|
|
if (right > vp->left + vp->width) right = vp->left + vp->width;
|
|
|
|
if (top >= vp->top + vp->height) return;
|
|
|
|
if (top < vp->top) top = vp->top;
|
|
if (bottom > vp->top + vp->height) bottom = vp->top + vp->height;
|
|
|
|
ViewportDrawChk(vp, left, top, right, bottom);
|
|
}
|
|
|
|
void DrawWindowViewport(const Window *w)
|
|
{
|
|
DrawPixelInfo *dpi = _cur_dpi;
|
|
|
|
dpi->left += w->left;
|
|
dpi->top += w->top;
|
|
|
|
ViewportDraw(w->viewport, dpi->left, dpi->top, dpi->left + dpi->width, dpi->top + dpi->height);
|
|
|
|
dpi->left -= w->left;
|
|
dpi->top -= w->top;
|
|
}
|
|
|
|
static inline void ClampViewportToMap(const ViewPort *vp, int &x, int &y)
|
|
{
|
|
/* Centre of the viewport is hot spot */
|
|
x += vp->virtual_width / 2;
|
|
y += vp->virtual_height / 2;
|
|
|
|
/* Convert viewport coordinates to map coordinates
|
|
* Calculation is scaled by 4 to avoid rounding errors */
|
|
int vx = -x + y * 2;
|
|
int vy = x + y * 2;
|
|
|
|
/* clamp to size of map */
|
|
vx = Clamp(vx, 0, MapMaxX() * TILE_SIZE * 4);
|
|
vy = Clamp(vy, 0, MapMaxY() * TILE_SIZE * 4);
|
|
|
|
/* Convert map coordinates to viewport coordinates */
|
|
x = (-vx + vy) / 2;
|
|
y = ( vx + vy) / 4;
|
|
|
|
/* Remove centreing */
|
|
x -= vp->virtual_width / 2;
|
|
y -= vp->virtual_height / 2;
|
|
}
|
|
|
|
void UpdateViewportPosition(Window *w)
|
|
{
|
|
const ViewPort *vp = w->viewport;
|
|
|
|
if (WP(w, vp_d).follow_vehicle != INVALID_VEHICLE) {
|
|
const Vehicle* veh = GetVehicle(WP(w, vp_d).follow_vehicle);
|
|
Point pt = MapXYZToViewport(vp, veh->x_pos, veh->y_pos, veh->z_pos);
|
|
|
|
SetViewportPosition(w, pt.x, pt.y);
|
|
} else {
|
|
/* Ensure the destination location is within the map */
|
|
ClampViewportToMap(vp, WP(w, vp_d).dest_scrollpos_x, WP(w, vp_d).dest_scrollpos_y);
|
|
|
|
int delta_x = WP(w, vp_d).dest_scrollpos_x - WP(w, vp_d).scrollpos_x;
|
|
int delta_y = WP(w, vp_d).dest_scrollpos_y - WP(w, vp_d).scrollpos_y;
|
|
|
|
if (delta_x != 0 || delta_y != 0) {
|
|
if (_patches.smooth_scroll) {
|
|
int max_scroll = ScaleByMapSize1D(512);
|
|
/* Not at our desired positon yet... */
|
|
WP(w, vp_d).scrollpos_x += Clamp(delta_x / 4, -max_scroll, max_scroll);
|
|
WP(w, vp_d).scrollpos_y += Clamp(delta_y / 4, -max_scroll, max_scroll);
|
|
} else {
|
|
WP(w, vp_d).scrollpos_x = WP(w, vp_d).dest_scrollpos_x;
|
|
WP(w, vp_d).scrollpos_y = WP(w, vp_d).dest_scrollpos_y;
|
|
}
|
|
}
|
|
|
|
ClampViewportToMap(vp, WP(w, vp_d).scrollpos_x, WP(w, vp_d).scrollpos_y);
|
|
|
|
SetViewportPosition(w, WP(w, vp_d).scrollpos_x, WP(w, vp_d).scrollpos_y);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Marks a viewport as dirty for repaint.
|
|
*
|
|
* @param vp The viewport to mark as dirty
|
|
* @todo documents the missing parameters @c left, @c top, @c right and @c bottom
|
|
* @todo detailed description missing
|
|
* @ingroup dirty
|
|
*/
|
|
static void MarkViewportDirty(const ViewPort *vp, int left, int top, int right, int bottom)
|
|
{
|
|
right -= vp->virtual_left;
|
|
if (right <= 0) return;
|
|
|
|
bottom -= vp->virtual_top;
|
|
if (bottom <= 0) return;
|
|
|
|
left = max(0, left - vp->virtual_left);
|
|
|
|
if (left >= vp->virtual_width) return;
|
|
|
|
top = max(0, top - vp->virtual_top);
|
|
|
|
if (top >= vp->virtual_height) return;
|
|
|
|
SetDirtyBlocks(
|
|
UnScaleByZoom(left, vp->zoom) + vp->left,
|
|
UnScaleByZoom(top, vp->zoom) + vp->top,
|
|
UnScaleByZoom(right, vp->zoom) + vp->left,
|
|
UnScaleByZoom(bottom, vp->zoom) + vp->top
|
|
);
|
|
}
|
|
|
|
void MarkAllViewportsDirty(int left, int top, int right, int bottom)
|
|
{
|
|
const ViewPort *vp = _viewports;
|
|
uint32 act = _active_viewports;
|
|
do {
|
|
if (act & 1) {
|
|
assert(vp->width != 0);
|
|
MarkViewportDirty(vp, left, top, right, bottom);
|
|
}
|
|
} while (vp++,act>>=1);
|
|
}
|
|
|
|
void MarkTileDirtyByTile(TileIndex tile)
|
|
{
|
|
Point pt = RemapCoords(TileX(tile) * TILE_SIZE, TileY(tile) * TILE_SIZE, GetTileZ(tile));
|
|
MarkAllViewportsDirty(
|
|
pt.x - 31,
|
|
pt.y - 122,
|
|
pt.x - 31 + 67,
|
|
pt.y - 122 + 154
|
|
);
|
|
}
|
|
|
|
void MarkTileDirty(int x, int y)
|
|
{
|
|
uint z = 0;
|
|
Point pt;
|
|
|
|
if (IsInsideMM(x, 0, MapSizeX() * TILE_SIZE) &&
|
|
IsInsideMM(y, 0, MapSizeY() * TILE_SIZE))
|
|
z = GetTileZ(TileVirtXY(x, y));
|
|
pt = RemapCoords(x, y, z);
|
|
|
|
MarkAllViewportsDirty(
|
|
pt.x - 31,
|
|
pt.y - 122,
|
|
pt.x - 31 + 67,
|
|
pt.y - 122 + 154
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Marks the selected tiles as dirty.
|
|
*
|
|
* This function marks the selected tiles as dirty for repaint
|
|
*
|
|
* @note Documentation may be wrong (Progman)
|
|
* @ingroup dirty
|
|
*/
|
|
static void SetSelectionTilesDirty()
|
|
{
|
|
int y_size, x_size;
|
|
int x = _thd.pos.x;
|
|
int y = _thd.pos.y;
|
|
|
|
x_size = _thd.size.x;
|
|
y_size = _thd.size.y;
|
|
|
|
if (_thd.outersize.x) {
|
|
x_size += _thd.outersize.x;
|
|
x += _thd.offs.x;
|
|
y_size += _thd.outersize.y;
|
|
y += _thd.offs.y;
|
|
}
|
|
|
|
assert(x_size > 0);
|
|
assert(y_size > 0);
|
|
|
|
x_size += x;
|
|
y_size += y;
|
|
|
|
do {
|
|
int y_bk = y;
|
|
do {
|
|
MarkTileDirty(x, y);
|
|
} while ( (y += TILE_SIZE) != y_size);
|
|
y = y_bk;
|
|
} while ( (x += TILE_SIZE) != x_size);
|
|
}
|
|
|
|
|
|
void SetSelectionRed(bool b)
|
|
{
|
|
_thd.make_square_red = b;
|
|
SetSelectionTilesDirty();
|
|
}
|
|
|
|
|
|
static bool CheckClickOnTown(const ViewPort *vp, int x, int y)
|
|
{
|
|
const Town *t;
|
|
|
|
if (!HasBit(_display_opt, DO_SHOW_TOWN_NAMES)) return false;
|
|
|
|
switch (vp->zoom) {
|
|
case ZOOM_LVL_NORMAL:
|
|
x = x - vp->left + vp->virtual_left;
|
|
y = y - vp->top + vp->virtual_top;
|
|
FOR_ALL_TOWNS(t) {
|
|
if (y >= t->sign.top &&
|
|
y < t->sign.top + 12 &&
|
|
x >= t->sign.left &&
|
|
x < t->sign.left + t->sign.width_1) {
|
|
ShowTownViewWindow(t->index);
|
|
return true;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case ZOOM_LVL_OUT_2X:
|
|
x = (x - vp->left + 1) * 2 + vp->virtual_left;
|
|
y = (y - vp->top + 1) * 2 + vp->virtual_top;
|
|
FOR_ALL_TOWNS(t) {
|
|
if (y >= t->sign.top &&
|
|
y < t->sign.top + 24 &&
|
|
x >= t->sign.left &&
|
|
x < t->sign.left + t->sign.width_1 * 2) {
|
|
ShowTownViewWindow(t->index);
|
|
return true;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case ZOOM_LVL_OUT_4X:
|
|
case ZOOM_LVL_OUT_8X:
|
|
x = ScaleByZoom(x - vp->left + ScaleByZoom(1, vp->zoom) - 1, vp->zoom) + vp->virtual_left;
|
|
y = ScaleByZoom(y - vp->top + ScaleByZoom(1, vp->zoom) - 1, vp->zoom) + vp->virtual_top;
|
|
|
|
FOR_ALL_TOWNS(t) {
|
|
if (y >= t->sign.top &&
|
|
y < t->sign.top + ScaleByZoom(12, vp->zoom) &&
|
|
x >= t->sign.left &&
|
|
x < t->sign.left + ScaleByZoom(t->sign.width_2, vp->zoom)) {
|
|
ShowTownViewWindow(t->index);
|
|
return true;
|
|
}
|
|
}
|
|
break;
|
|
|
|
default: NOT_REACHED();
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
static bool CheckClickOnStation(const ViewPort *vp, int x, int y)
|
|
{
|
|
const Station *st;
|
|
|
|
if (!HasBit(_display_opt, DO_SHOW_STATION_NAMES)) return false;
|
|
|
|
switch (vp->zoom) {
|
|
case ZOOM_LVL_NORMAL:
|
|
x = x - vp->left + vp->virtual_left;
|
|
y = y - vp->top + vp->virtual_top;
|
|
FOR_ALL_STATIONS(st) {
|
|
if (y >= st->sign.top &&
|
|
y < st->sign.top + 12 &&
|
|
x >= st->sign.left &&
|
|
x < st->sign.left + st->sign.width_1) {
|
|
ShowStationViewWindow(st->index);
|
|
return true;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case ZOOM_LVL_OUT_2X:
|
|
x = (x - vp->left + 1) * 2 + vp->virtual_left;
|
|
y = (y - vp->top + 1) * 2 + vp->virtual_top;
|
|
FOR_ALL_STATIONS(st) {
|
|
if (y >= st->sign.top &&
|
|
y < st->sign.top + 24 &&
|
|
x >= st->sign.left &&
|
|
x < st->sign.left + st->sign.width_1 * 2) {
|
|
ShowStationViewWindow(st->index);
|
|
return true;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case ZOOM_LVL_OUT_4X:
|
|
case ZOOM_LVL_OUT_8X:
|
|
x = ScaleByZoom(x - vp->left + ScaleByZoom(1, vp->zoom) - 1, vp->zoom) + vp->virtual_left;
|
|
y = ScaleByZoom(y - vp->top + ScaleByZoom(1, vp->zoom) - 1, vp->zoom) + vp->virtual_top;
|
|
|
|
FOR_ALL_STATIONS(st) {
|
|
if (y >= st->sign.top &&
|
|
y < st->sign.top + ScaleByZoom(12, vp->zoom) &&
|
|
x >= st->sign.left &&
|
|
x < st->sign.left + ScaleByZoom(st->sign.width_2, vp->zoom)) {
|
|
ShowStationViewWindow(st->index);
|
|
return true;
|
|
}
|
|
}
|
|
break;
|
|
|
|
default: NOT_REACHED();
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
static bool CheckClickOnSign(const ViewPort *vp, int x, int y)
|
|
{
|
|
const Sign *si;
|
|
|
|
/* Signs are turned off, or they are transparent and invisibility is ON, or player is a spectator */
|
|
if (!HasBit(_display_opt, DO_SHOW_SIGNS) || IsInvisibilitySet(TO_SIGNS) || _current_player == PLAYER_SPECTATOR) return false;
|
|
|
|
switch (vp->zoom) {
|
|
case ZOOM_LVL_NORMAL:
|
|
x = x - vp->left + vp->virtual_left;
|
|
y = y - vp->top + vp->virtual_top;
|
|
FOR_ALL_SIGNS(si) {
|
|
if (y >= si->sign.top &&
|
|
y < si->sign.top + 12 &&
|
|
x >= si->sign.left &&
|
|
x < si->sign.left + si->sign.width_1) {
|
|
ShowRenameSignWindow(si);
|
|
return true;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case ZOOM_LVL_OUT_2X:
|
|
x = (x - vp->left + 1) * 2 + vp->virtual_left;
|
|
y = (y - vp->top + 1) * 2 + vp->virtual_top;
|
|
FOR_ALL_SIGNS(si) {
|
|
if (y >= si->sign.top &&
|
|
y < si->sign.top + 24 &&
|
|
x >= si->sign.left &&
|
|
x < si->sign.left + si->sign.width_1 * 2) {
|
|
ShowRenameSignWindow(si);
|
|
return true;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case ZOOM_LVL_OUT_4X:
|
|
case ZOOM_LVL_OUT_8X:
|
|
x = ScaleByZoom(x - vp->left + ScaleByZoom(1, vp->zoom) - 1, vp->zoom) + vp->virtual_left;
|
|
y = ScaleByZoom(y - vp->top + ScaleByZoom(1, vp->zoom) - 1, vp->zoom) + vp->virtual_top;
|
|
|
|
FOR_ALL_SIGNS(si) {
|
|
if (y >= si->sign.top &&
|
|
y < si->sign.top + ScaleByZoom(12, vp->zoom) &&
|
|
x >= si->sign.left &&
|
|
x < si->sign.left + ScaleByZoom(si->sign.width_2, vp->zoom)) {
|
|
ShowRenameSignWindow(si);
|
|
return true;
|
|
}
|
|
}
|
|
break;
|
|
|
|
default: NOT_REACHED();
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
static bool CheckClickOnWaypoint(const ViewPort *vp, int x, int y)
|
|
{
|
|
const Waypoint *wp;
|
|
|
|
if (!HasBit(_display_opt, DO_WAYPOINTS)) return false;
|
|
|
|
switch (vp->zoom) {
|
|
case ZOOM_LVL_NORMAL:
|
|
x = x - vp->left + vp->virtual_left;
|
|
y = y - vp->top + vp->virtual_top;
|
|
FOR_ALL_WAYPOINTS(wp) {
|
|
if (y >= wp->sign.top &&
|
|
y < wp->sign.top + 12 &&
|
|
x >= wp->sign.left &&
|
|
x < wp->sign.left + wp->sign.width_1) {
|
|
ShowRenameWaypointWindow(wp);
|
|
return true;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case ZOOM_LVL_OUT_2X:
|
|
x = (x - vp->left + 1) * 2 + vp->virtual_left;
|
|
y = (y - vp->top + 1) * 2 + vp->virtual_top;
|
|
FOR_ALL_WAYPOINTS(wp) {
|
|
if (y >= wp->sign.top &&
|
|
y < wp->sign.top + 24 &&
|
|
x >= wp->sign.left &&
|
|
x < wp->sign.left + wp->sign.width_1 * 2) {
|
|
ShowRenameWaypointWindow(wp);
|
|
return true;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case ZOOM_LVL_OUT_4X:
|
|
case ZOOM_LVL_OUT_8X:
|
|
x = ScaleByZoom(x - vp->left + ScaleByZoom(1, vp->zoom) - 1, vp->zoom) + vp->virtual_left;
|
|
y = ScaleByZoom(y - vp->top + ScaleByZoom(1, vp->zoom) - 1, vp->zoom) + vp->virtual_top;
|
|
|
|
FOR_ALL_WAYPOINTS(wp) {
|
|
if (y >= wp->sign.top &&
|
|
y < wp->sign.top + ScaleByZoom(12, vp->zoom) &&
|
|
x >= wp->sign.left &&
|
|
x < wp->sign.left + ScaleByZoom(wp->sign.width_2, vp->zoom)) {
|
|
ShowRenameWaypointWindow(wp);
|
|
return true;
|
|
}
|
|
}
|
|
break;
|
|
|
|
default: NOT_REACHED();
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
static void CheckClickOnLandscape(const ViewPort *vp, int x, int y)
|
|
{
|
|
Point pt = TranslateXYToTileCoord(vp, x, y);
|
|
|
|
if (pt.x != -1) ClickTile(TileVirtXY(pt.x, pt.y));
|
|
}
|
|
|
|
|
|
static void SafeShowTrainViewWindow(const Vehicle* v)
|
|
{
|
|
if (!IsFrontEngine(v)) v = v->First();
|
|
ShowVehicleViewWindow(v);
|
|
}
|
|
|
|
static void SafeShowRoadVehViewWindow(const Vehicle *v)
|
|
{
|
|
if (!IsRoadVehFront(v)) v = v->First();
|
|
ShowVehicleViewWindow(v);
|
|
}
|
|
|
|
static void Nop(const Vehicle *v) {}
|
|
|
|
typedef void OnVehicleClickProc(const Vehicle *v);
|
|
static OnVehicleClickProc* const _on_vehicle_click_proc[] = {
|
|
SafeShowTrainViewWindow,
|
|
SafeShowRoadVehViewWindow,
|
|
ShowVehicleViewWindow,
|
|
ShowVehicleViewWindow,
|
|
Nop, // Special vehicles
|
|
Nop // Disaster vehicles
|
|
};
|
|
|
|
void HandleViewportClicked(const ViewPort *vp, int x, int y)
|
|
{
|
|
const Vehicle *v;
|
|
|
|
if (CheckClickOnTown(vp, x, y)) return;
|
|
if (CheckClickOnStation(vp, x, y)) return;
|
|
if (CheckClickOnSign(vp, x, y)) return;
|
|
if (CheckClickOnWaypoint(vp, x, y)) return;
|
|
CheckClickOnLandscape(vp, x, y);
|
|
|
|
v = CheckClickOnVehicle(vp, x, y);
|
|
if (v != NULL) {
|
|
DEBUG(misc, 2, "Vehicle %d (index %d) at %p", v->unitnumber, v->index, v);
|
|
_on_vehicle_click_proc[v->type](v);
|
|
}
|
|
}
|
|
|
|
Vehicle *CheckMouseOverVehicle()
|
|
{
|
|
const Window *w;
|
|
const ViewPort *vp;
|
|
|
|
int x = _cursor.pos.x;
|
|
int y = _cursor.pos.y;
|
|
|
|
w = FindWindowFromPt(x, y);
|
|
if (w == NULL) return NULL;
|
|
|
|
vp = IsPtInWindowViewport(w, x, y);
|
|
return (vp != NULL) ? CheckClickOnVehicle(vp, x, y) : NULL;
|
|
}
|
|
|
|
|
|
|
|
void PlaceObject()
|
|
{
|
|
Point pt;
|
|
Window *w;
|
|
|
|
pt = GetTileBelowCursor();
|
|
if (pt.x == -1) return;
|
|
|
|
if (_thd.place_mode == VHM_POINT) {
|
|
pt.x += 8;
|
|
pt.y += 8;
|
|
}
|
|
|
|
_tile_fract_coords.x = pt.x & 0xF;
|
|
_tile_fract_coords.y = pt.y & 0xF;
|
|
|
|
w = GetCallbackWnd();
|
|
if (w != NULL) {
|
|
WindowEvent e;
|
|
|
|
e.event = WE_PLACE_OBJ;
|
|
e.we.place.pt = pt;
|
|
e.we.place.tile = TileVirtXY(pt.x, pt.y);
|
|
w->wndproc(w, &e);
|
|
}
|
|
}
|
|
|
|
|
|
/* scrolls the viewport in a window to a given location */
|
|
bool ScrollWindowTo(int x , int y, Window *w, bool instant)
|
|
{
|
|
/* The slope cannot be acquired outside of the map, so make sure we are always within the map. */
|
|
Point pt = MapXYZToViewport(w->viewport, x, y, GetSlopeZ(Clamp(x, 0, MapSizeX()), Clamp(y, 0, MapSizeY())));
|
|
WP(w, vp_d).follow_vehicle = INVALID_VEHICLE;
|
|
|
|
if (WP(w, vp_d).dest_scrollpos_x == pt.x && WP(w, vp_d).dest_scrollpos_y == pt.y)
|
|
return false;
|
|
|
|
if (instant) {
|
|
WP(w, vp_d).scrollpos_x = pt.x;
|
|
WP(w, vp_d).scrollpos_y = pt.y;
|
|
}
|
|
|
|
WP(w, vp_d).dest_scrollpos_x = pt.x;
|
|
WP(w, vp_d).dest_scrollpos_y = pt.y;
|
|
return true;
|
|
}
|
|
|
|
|
|
bool ScrollMainWindowTo(int x, int y, bool instant)
|
|
{
|
|
Window *w;
|
|
bool res = ScrollWindowTo(x, y, FindWindowById(WC_MAIN_WINDOW, 0), instant);
|
|
|
|
/* If a user scrolls to a tile (via what way what so ever) and already is on
|
|
* that tile (e.g.: pressed twice), move the smallmap to that location,
|
|
* so you directly see where you are on the smallmap. */
|
|
|
|
if (res) return res;
|
|
|
|
w = FindWindowById(WC_SMALLMAP, 0);
|
|
if (w == NULL) return res;
|
|
|
|
SmallMapCenterOnCurrentPos(w);
|
|
|
|
return res;
|
|
}
|
|
|
|
|
|
bool ScrollMainWindowToTile(TileIndex tile, bool instant)
|
|
{
|
|
return ScrollMainWindowTo(TileX(tile) * TILE_SIZE + TILE_SIZE / 2, TileY(tile) * TILE_SIZE + TILE_SIZE / 2, instant);
|
|
}
|
|
|
|
void SetRedErrorSquare(TileIndex tile)
|
|
{
|
|
TileIndex old;
|
|
|
|
old = _thd.redsq;
|
|
_thd.redsq = tile;
|
|
|
|
if (tile != old) {
|
|
if (tile != 0) MarkTileDirtyByTile(tile);
|
|
if (old != 0) MarkTileDirtyByTile(old);
|
|
}
|
|
}
|
|
|
|
void SetTileSelectSize(int w, int h)
|
|
{
|
|
_thd.new_size.x = w * TILE_SIZE;
|
|
_thd.new_size.y = h * TILE_SIZE;
|
|
_thd.new_outersize.x = 0;
|
|
_thd.new_outersize.y = 0;
|
|
}
|
|
|
|
void SetTileSelectBigSize(int ox, int oy, int sx, int sy)
|
|
{
|
|
_thd.offs.x = ox * TILE_SIZE;
|
|
_thd.offs.y = oy * TILE_SIZE;
|
|
_thd.new_outersize.x = sx * TILE_SIZE;
|
|
_thd.new_outersize.y = sy * TILE_SIZE;
|
|
}
|
|
|
|
/** returns the best autorail highlight type from map coordinates */
|
|
static HighLightStyle GetAutorailHT(int x, int y)
|
|
{
|
|
return HT_RAIL | _autorail_piece[x & 0xF][y & 0xF];
|
|
}
|
|
|
|
/**
|
|
* Updates tile highlighting for all cases.
|
|
* Uses _thd.selstart and _thd.selend and _thd.place_mode (set elsewhere) to determine _thd.pos and _thd.size
|
|
* Also drawstyle is determined. Uses _thd.new.* as a buffer and calls SetSelectionTilesDirty() twice,
|
|
* Once for the old and once for the new selection.
|
|
* _thd is TileHighlightData, found in viewport.h
|
|
* Called by MouseLoop() in windows.cpp
|
|
*/
|
|
void UpdateTileSelection()
|
|
{
|
|
int x1;
|
|
int y1;
|
|
|
|
_thd.new_drawstyle = 0;
|
|
|
|
if (_thd.place_mode == VHM_SPECIAL) {
|
|
x1 = _thd.selend.x;
|
|
y1 = _thd.selend.y;
|
|
if (x1 != -1) {
|
|
int x2 = _thd.selstart.x & ~0xF;
|
|
int y2 = _thd.selstart.y & ~0xF;
|
|
x1 &= ~0xF;
|
|
y1 &= ~0xF;
|
|
|
|
if (x1 >= x2) Swap(x1, x2);
|
|
if (y1 >= y2) Swap(y1, y2);
|
|
_thd.new_pos.x = x1;
|
|
_thd.new_pos.y = y1;
|
|
_thd.new_size.x = x2 - x1 + TILE_SIZE;
|
|
_thd.new_size.y = y2 - y1 + TILE_SIZE;
|
|
_thd.new_drawstyle = _thd.next_drawstyle;
|
|
}
|
|
} else if (_thd.place_mode != VHM_NONE) {
|
|
Point pt = GetTileBelowCursor();
|
|
x1 = pt.x;
|
|
y1 = pt.y;
|
|
if (x1 != -1) {
|
|
switch (_thd.place_mode) {
|
|
case VHM_RECT:
|
|
_thd.new_drawstyle = HT_RECT;
|
|
break;
|
|
case VHM_POINT:
|
|
_thd.new_drawstyle = HT_POINT;
|
|
x1 += 8;
|
|
y1 += 8;
|
|
break;
|
|
case VHM_RAIL:
|
|
_thd.new_drawstyle = GetAutorailHT(pt.x, pt.y); // draw one highlighted tile
|
|
break;
|
|
default:
|
|
NOT_REACHED();
|
|
break;
|
|
}
|
|
_thd.new_pos.x = x1 & ~0xF;
|
|
_thd.new_pos.y = y1 & ~0xF;
|
|
}
|
|
}
|
|
|
|
/* redraw selection */
|
|
if (_thd.drawstyle != _thd.new_drawstyle ||
|
|
_thd.pos.x != _thd.new_pos.x || _thd.pos.y != _thd.new_pos.y ||
|
|
_thd.size.x != _thd.new_size.x || _thd.size.y != _thd.new_size.y ||
|
|
_thd.outersize.x != _thd.new_outersize.x ||
|
|
_thd.outersize.y != _thd.new_outersize.y) {
|
|
/* clear the old selection? */
|
|
if (_thd.drawstyle) SetSelectionTilesDirty();
|
|
|
|
_thd.drawstyle = _thd.new_drawstyle;
|
|
_thd.pos = _thd.new_pos;
|
|
_thd.size = _thd.new_size;
|
|
_thd.outersize = _thd.new_outersize;
|
|
_thd.dirty = 0xff;
|
|
|
|
/* draw the new selection? */
|
|
if (_thd.new_drawstyle) SetSelectionTilesDirty();
|
|
}
|
|
}
|
|
|
|
/** highlighting tiles while only going over them with the mouse */
|
|
void VpStartPlaceSizing(TileIndex tile, ViewportPlaceMethod method, byte process)
|
|
{
|
|
_thd.select_method = method;
|
|
_thd.select_proc = process;
|
|
_thd.selend.x = TileX(tile) * TILE_SIZE;
|
|
_thd.selstart.x = TileX(tile) * TILE_SIZE;
|
|
_thd.selend.y = TileY(tile) * TILE_SIZE;
|
|
_thd.selstart.y = TileY(tile) * TILE_SIZE;
|
|
|
|
/* Needed so several things (road, autoroad, bridges, ...) are placed correctly.
|
|
* In effect, placement starts from the centre of a tile
|
|
*/
|
|
if (method == VPM_X_OR_Y || method == VPM_FIX_X || method == VPM_FIX_Y) {
|
|
_thd.selend.x += TILE_SIZE / 2;
|
|
_thd.selend.y += TILE_SIZE / 2;
|
|
_thd.selstart.x += TILE_SIZE / 2;
|
|
_thd.selstart.y += TILE_SIZE / 2;
|
|
}
|
|
|
|
if (_thd.place_mode == VHM_RECT) {
|
|
_thd.place_mode = VHM_SPECIAL;
|
|
_thd.next_drawstyle = HT_RECT;
|
|
} else if (_thd.place_mode == VHM_RAIL) { // autorail one piece
|
|
_thd.place_mode = VHM_SPECIAL;
|
|
_thd.next_drawstyle = _thd.drawstyle;
|
|
} else {
|
|
_thd.place_mode = VHM_SPECIAL;
|
|
_thd.next_drawstyle = HT_POINT;
|
|
}
|
|
_special_mouse_mode = WSM_SIZING;
|
|
}
|
|
|
|
void VpSetPlaceSizingLimit(int limit)
|
|
{
|
|
_thd.sizelimit = limit;
|
|
}
|
|
|
|
/**
|
|
* Highlights all tiles between a set of two tiles. Used in dock and tunnel placement
|
|
* @param from TileIndex of the first tile to highlight
|
|
* @param to TileIndex of the last tile to highlight */
|
|
void VpSetPresizeRange(TileIndex from, TileIndex to)
|
|
{
|
|
uint64 distance = DistanceManhattan(from, to) + 1;
|
|
|
|
_thd.selend.x = TileX(to) * TILE_SIZE;
|
|
_thd.selend.y = TileY(to) * TILE_SIZE;
|
|
_thd.selstart.x = TileX(from) * TILE_SIZE;
|
|
_thd.selstart.y = TileY(from) * TILE_SIZE;
|
|
_thd.next_drawstyle = HT_RECT;
|
|
|
|
/* show measurement only if there is any length to speak of */
|
|
if (distance > 1) GuiShowTooltipsWithArgs(STR_MEASURE_LENGTH, 1, &distance);
|
|
}
|
|
|
|
static void VpStartPreSizing()
|
|
{
|
|
_thd.selend.x = -1;
|
|
_special_mouse_mode = WSM_PRESIZE;
|
|
}
|
|
|
|
/** returns information about the 2x1 piece to be build.
|
|
* The lower bits (0-3) are the track type. */
|
|
static HighLightStyle Check2x1AutoRail(int mode)
|
|
{
|
|
int fxpy = _tile_fract_coords.x + _tile_fract_coords.y;
|
|
int sxpy = (_thd.selend.x & 0xF) + (_thd.selend.y & 0xF);
|
|
int fxmy = _tile_fract_coords.x - _tile_fract_coords.y;
|
|
int sxmy = (_thd.selend.x & 0xF) - (_thd.selend.y & 0xF);
|
|
|
|
switch (mode) {
|
|
default: NOT_REACHED();
|
|
case 0: // end piece is lower right
|
|
if (fxpy >= 20 && sxpy <= 12) { /*SwapSelection(); DoRailroadTrack(0); */return HT_DIR_HL; }
|
|
if (fxmy < -3 && sxmy > 3) {/* DoRailroadTrack(0); */return HT_DIR_VR; }
|
|
return HT_DIR_Y;
|
|
|
|
case 1:
|
|
if (fxmy > 3 && sxmy < -3) { /*SwapSelection(); DoRailroadTrack(0); */return HT_DIR_VL; }
|
|
if (fxpy <= 12 && sxpy >= 20) { /*DoRailroadTrack(0); */return HT_DIR_HU; }
|
|
return HT_DIR_Y;
|
|
|
|
case 2:
|
|
if (fxmy > 3 && sxmy < -3) { /*DoRailroadTrack(3);*/ return HT_DIR_VL; }
|
|
if (fxpy >= 20 && sxpy <= 12) { /*SwapSelection(); DoRailroadTrack(0); */return HT_DIR_HL; }
|
|
return HT_DIR_X;
|
|
|
|
case 3:
|
|
if (fxmy < -3 && sxmy > 3) { /*SwapSelection(); DoRailroadTrack(3);*/ return HT_DIR_VR; }
|
|
if (fxpy <= 12 && sxpy >= 20) { /*DoRailroadTrack(0); */return HT_DIR_HU; }
|
|
return HT_DIR_X;
|
|
}
|
|
}
|
|
|
|
/** Check if the direction of start and end tile should be swapped based on
|
|
* the dragging-style. Default directions are:
|
|
* in the case of a line (HT_RAIL, HT_LINE): DIR_NE, DIR_NW, DIR_N, DIR_E
|
|
* in the case of a rect (HT_RECT, HT_POINT): DIR_S, DIR_E
|
|
* For example dragging a rectangle area from south to north should be swapped to
|
|
* north-south (DIR_S) to obtain the same results with less code. This is what
|
|
* the return value signifies.
|
|
* @param style HighLightStyle dragging style
|
|
* @param start_tile start tile of drag
|
|
* @param end_tile end tile of drag
|
|
* @return boolean value which when true means start/end should be swapped */
|
|
static bool SwapDirection(HighLightStyle style, TileIndex start_tile, TileIndex end_tile)
|
|
{
|
|
uint start_x = TileX(start_tile);
|
|
uint start_y = TileY(start_tile);
|
|
uint end_x = TileX(end_tile);
|
|
uint end_y = TileY(end_tile);
|
|
|
|
switch (style & HT_DRAG_MASK) {
|
|
case HT_RAIL:
|
|
case HT_LINE: return (end_x > start_x || (end_x == start_x && end_y > start_y));
|
|
|
|
case HT_RECT:
|
|
case HT_POINT: return (end_x != start_x && end_y < start_y);
|
|
default: NOT_REACHED();
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/** Calculates height difference between one tile and another
|
|
* Multiplies the result to suit the standard given by minimap - 50 meters high
|
|
* To correctly get the height difference we need the direction we are dragging
|
|
* in, as well as with what kind of tool we are dragging. For example a horizontal
|
|
* autorail tool that starts in bottom and ends at the top of a tile will need the
|
|
* maximum of SW, S and SE, N corners respectively. This is handled by the lookup table below
|
|
* See _tileoffs_by_dir in map.c for the direction enums if you can't figure out
|
|
* the values yourself.
|
|
* @param style HightlightStyle of drag. This includes direction and style (autorail, rect, etc.)
|
|
* @param distance amount of tiles dragged, important for horizontal/vertical drags
|
|
* ignored for others
|
|
* @param start_tile, end_tile start and end tile of drag operation
|
|
* @return height difference between two tiles. Tile measurement tool utilizes
|
|
* this value in its tooltips */
|
|
static int CalcHeightdiff(HighLightStyle style, uint distance, TileIndex start_tile, TileIndex end_tile)
|
|
{
|
|
bool swap = SwapDirection(style, start_tile, end_tile);
|
|
byte style_t;
|
|
uint h0, h1, ht; // start heigth, end height, and temp variable
|
|
|
|
if (start_tile == end_tile) return 0;
|
|
if (swap) Swap(start_tile, end_tile);
|
|
|
|
switch (style & HT_DRAG_MASK) {
|
|
case HT_RECT: {
|
|
static const TileIndexDiffC heightdiff_area_by_dir[] = {
|
|
/* Start */ {1, 0}, /* Dragging east */ {0, 0}, /* Dragging south */
|
|
/* End */ {0, 1}, /* Dragging east */ {1, 1} /* Dragging south */
|
|
};
|
|
|
|
/* In the case of an area we can determine whether we were dragging south or
|
|
* east by checking the X-coordinates of the tiles */
|
|
style_t = (byte)(TileX(end_tile) > TileX(start_tile));
|
|
start_tile = TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_area_by_dir[style_t]));
|
|
end_tile = TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_area_by_dir[2 + style_t]));
|
|
}
|
|
/* Fallthrough */
|
|
case HT_POINT:
|
|
h0 = TileHeight(start_tile);
|
|
h1 = TileHeight(end_tile);
|
|
break;
|
|
default: { /* All other types, this is mostly only line/autorail */
|
|
static const HighLightStyle flip_style_direction[] = {
|
|
HT_DIR_X, HT_DIR_Y, HT_DIR_HL, HT_DIR_HU, HT_DIR_VR, HT_DIR_VL
|
|
};
|
|
static const TileIndexDiffC heightdiff_line_by_dir[] = {
|
|
/* Start */ {1, 0}, {1, 1}, /* HT_DIR_X */ {0, 1}, {1, 1}, /* HT_DIR_Y */
|
|
/* Start */ {1, 0}, {0, 0}, /* HT_DIR_HU */ {1, 0}, {1, 1}, /* HT_DIR_HL */
|
|
/* Start */ {1, 0}, {1, 1}, /* HT_DIR_VL */ {0, 1}, {1, 1}, /* HT_DIR_VR */
|
|
|
|
/* Start */ {0, 1}, {0, 0}, /* HT_DIR_X */ {1, 0}, {0, 0}, /* HT_DIR_Y */
|
|
/* End */ {0, 1}, {0, 0}, /* HT_DIR_HU */ {1, 1}, {0, 1}, /* HT_DIR_HL */
|
|
/* End */ {1, 0}, {0, 0}, /* HT_DIR_VL */ {0, 0}, {0, 1}, /* HT_DIR_VR */
|
|
};
|
|
|
|
distance %= 2; // we're only interested if the distance is even or uneven
|
|
style &= HT_DIR_MASK;
|
|
|
|
/* To handle autorail, we do some magic to be able to use a lookup table.
|
|
* Firstly if we drag the other way around, we switch start&end, and if needed
|
|
* also flip the drag-position. Eg if it was on the left, and the distance is even
|
|
* that means the end, which is now the start is on the right */
|
|
if (swap && distance == 0) style = flip_style_direction[style];
|
|
|
|
/* Use lookup table for start-tile based on HighLightStyle direction */
|
|
style_t = style * 2;
|
|
assert(style_t < lengthof(heightdiff_line_by_dir) - 13);
|
|
h0 = TileHeight(TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_line_by_dir[style_t])));
|
|
ht = TileHeight(TILE_ADD(start_tile, ToTileIndexDiff(heightdiff_line_by_dir[style_t + 1])));
|
|
h0 = max(h0, ht);
|
|
|
|
/* Use lookup table for end-tile based on HighLightStyle direction
|
|
* flip around side (lower/upper, left/right) based on distance */
|
|
if (distance == 0) style_t = flip_style_direction[style] * 2;
|
|
assert(style_t < lengthof(heightdiff_line_by_dir) - 13);
|
|
h1 = TileHeight(TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_line_by_dir[12 + style_t])));
|
|
ht = TileHeight(TILE_ADD(end_tile, ToTileIndexDiff(heightdiff_line_by_dir[12 + style_t + 1])));
|
|
h1 = max(h1, ht);
|
|
} break;
|
|
}
|
|
|
|
if (swap) Swap(h0, h1);
|
|
/* Minimap shows height in intervals of 50 meters, let's do the same */
|
|
return (int)(h1 - h0) * 50;
|
|
}
|
|
|
|
static const StringID measure_strings_length[] = {STR_NULL, STR_MEASURE_LENGTH, STR_MEASURE_LENGTH_HEIGHTDIFF};
|
|
|
|
/** while dragging */
|
|
static void CalcRaildirsDrawstyle(TileHighlightData *thd, int x, int y, int method)
|
|
{
|
|
HighLightStyle b;
|
|
uint w, h;
|
|
|
|
int dx = thd->selstart.x - (thd->selend.x & ~0xF);
|
|
int dy = thd->selstart.y - (thd->selend.y & ~0xF);
|
|
w = abs(dx) + 16;
|
|
h = abs(dy) + 16;
|
|
|
|
if (TileVirtXY(thd->selstart.x, thd->selstart.y) == TileVirtXY(x, y)) { // check if we're only within one tile
|
|
if (method == VPM_RAILDIRS) {
|
|
b = GetAutorailHT(x, y);
|
|
} else { // rect for autosignals on one tile
|
|
b = HT_RECT;
|
|
}
|
|
} else if (h == 16) { // Is this in X direction?
|
|
if (dx == 16) { // 2x1 special handling
|
|
b = (Check2x1AutoRail(3)) | HT_LINE;
|
|
} else if (dx == -16) {
|
|
b = (Check2x1AutoRail(2)) | HT_LINE;
|
|
} else {
|
|
b = HT_LINE | HT_DIR_X;
|
|
}
|
|
y = thd->selstart.y;
|
|
} else if (w == 16) { // Or Y direction?
|
|
if (dy == 16) { // 2x1 special handling
|
|
b = (Check2x1AutoRail(1)) | HT_LINE;
|
|
} else if (dy == -16) { // 2x1 other direction
|
|
b = (Check2x1AutoRail(0)) | HT_LINE;
|
|
} else {
|
|
b = HT_LINE | HT_DIR_Y;
|
|
}
|
|
x = thd->selstart.x;
|
|
} else if (w > h * 2) { // still count as x dir?
|
|
b = HT_LINE | HT_DIR_X;
|
|
y = thd->selstart.y;
|
|
} else if (h > w * 2) { // still count as y dir?
|
|
b = HT_LINE | HT_DIR_Y;
|
|
x = thd->selstart.x;
|
|
} else { // complicated direction
|
|
int d = w - h;
|
|
thd->selend.x = thd->selend.x & ~0xF;
|
|
thd->selend.y = thd->selend.y & ~0xF;
|
|
|
|
// four cases.
|
|
if (x > thd->selstart.x) {
|
|
if (y > thd->selstart.y) {
|
|
// south
|
|
if (d == 0) {
|
|
b = (x & 0xF) > (y & 0xF) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
|
|
} else if (d >= 0) {
|
|
x = thd->selstart.x + h;
|
|
b = HT_LINE | HT_DIR_VL;
|
|
// return px == py || px == py + 16;
|
|
} else {
|
|
y = thd->selstart.y + w;
|
|
b = HT_LINE | HT_DIR_VR;
|
|
} // return px == py || px == py - 16;
|
|
} else {
|
|
// west
|
|
if (d == 0) {
|
|
b = (x & 0xF) + (y & 0xF) >= 0x10 ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
|
|
} else if (d >= 0) {
|
|
x = thd->selstart.x + h;
|
|
b = HT_LINE | HT_DIR_HL;
|
|
} else {
|
|
y = thd->selstart.y - w;
|
|
b = HT_LINE | HT_DIR_HU;
|
|
}
|
|
}
|
|
} else {
|
|
if (y > thd->selstart.y) {
|
|
// east
|
|
if (d == 0) {
|
|
b = (x & 0xF) + (y & 0xF) >= 0x10 ? HT_LINE | HT_DIR_HL : HT_LINE | HT_DIR_HU;
|
|
} else if (d >= 0) {
|
|
x = thd->selstart.x - h;
|
|
b = HT_LINE | HT_DIR_HU;
|
|
// return px == -py || px == -py - 16;
|
|
} else {
|
|
y = thd->selstart.y + w;
|
|
b = HT_LINE | HT_DIR_HL;
|
|
} // return px == -py || px == -py + 16;
|
|
} else {
|
|
// north
|
|
if (d == 0) {
|
|
b = (x & 0xF) > (y & 0xF) ? HT_LINE | HT_DIR_VL : HT_LINE | HT_DIR_VR;
|
|
} else if (d >= 0) {
|
|
x = thd->selstart.x - h;
|
|
b = HT_LINE | HT_DIR_VR;
|
|
// return px == py || px == py - 16;
|
|
} else {
|
|
y = thd->selstart.y - w;
|
|
b = HT_LINE | HT_DIR_VL;
|
|
} //return px == py || px == py + 16;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (_patches.measure_tooltip) {
|
|
TileIndex t0 = TileVirtXY(thd->selstart.x, thd->selstart.y);
|
|
TileIndex t1 = TileVirtXY(x, y);
|
|
uint distance = DistanceManhattan(t0, t1) + 1;
|
|
byte index = 0;
|
|
uint64 params[2];
|
|
|
|
if (distance != 1) {
|
|
int heightdiff = CalcHeightdiff(b, distance, t0, t1);
|
|
/* If we are showing a tooltip for horizontal or vertical drags,
|
|
* 2 tiles have a length of 1. To bias towards the ceiling we add
|
|
* one before division. It feels more natural to count 3 lengths as 2 */
|
|
if ((b & HT_DIR_MASK) != HT_DIR_X && (b & HT_DIR_MASK) != HT_DIR_Y) {
|
|
distance = (distance + 1) / 2;
|
|
}
|
|
|
|
params[index++] = distance;
|
|
if (heightdiff != 0) params[index++] = heightdiff;
|
|
}
|
|
|
|
GuiShowTooltipsWithArgs(measure_strings_length[index], index, params);
|
|
}
|
|
|
|
thd->selend.x = x;
|
|
thd->selend.y = y;
|
|
thd->next_drawstyle = b;
|
|
}
|
|
|
|
/**
|
|
* Selects tiles while dragging
|
|
* @param x X coordinate of end of selection
|
|
* @param y Y coordinate of end of selection
|
|
* @param method modifies the way tiles are selected. Possible
|
|
* methods are VPM_* in viewport.h */
|
|
void VpSelectTilesWithMethod(int x, int y, ViewportPlaceMethod method)
|
|
{
|
|
int sx, sy;
|
|
HighLightStyle style;
|
|
|
|
if (x == -1) {
|
|
_thd.selend.x = -1;
|
|
return;
|
|
}
|
|
|
|
/* Special handling of drag in any (8-way) direction */
|
|
if (method == VPM_RAILDIRS || method == VPM_SIGNALDIRS) {
|
|
_thd.selend.x = x;
|
|
_thd.selend.y = y;
|
|
CalcRaildirsDrawstyle(&_thd, x, y, method);
|
|
return;
|
|
}
|
|
|
|
/* Needed so level-land is placed correctly */
|
|
if (_thd.next_drawstyle == HT_POINT) {
|
|
x += TILE_SIZE / 2;
|
|
y += TILE_SIZE / 2;
|
|
}
|
|
|
|
sx = _thd.selstart.x;
|
|
sy = _thd.selstart.y;
|
|
|
|
switch (method) {
|
|
case VPM_X_OR_Y: /* drag in X or Y direction */
|
|
if (abs(sy - y) < abs(sx - x)) {
|
|
y = sy;
|
|
style = HT_DIR_X;
|
|
} else {
|
|
x = sx;
|
|
style = HT_DIR_Y;
|
|
}
|
|
goto calc_heightdiff_single_direction;
|
|
case VPM_FIX_X: /* drag in Y direction */
|
|
x = sx;
|
|
style = HT_DIR_Y;
|
|
goto calc_heightdiff_single_direction;
|
|
case VPM_FIX_Y: /* drag in X direction */
|
|
y = sy;
|
|
style = HT_DIR_X;
|
|
|
|
calc_heightdiff_single_direction:;
|
|
if (_patches.measure_tooltip) {
|
|
TileIndex t0 = TileVirtXY(sx, sy);
|
|
TileIndex t1 = TileVirtXY(x, y);
|
|
uint distance = DistanceManhattan(t0, t1) + 1;
|
|
byte index = 0;
|
|
uint64 params[2];
|
|
|
|
if (distance != 1) {
|
|
/* With current code passing a HT_LINE style to calculate the height
|
|
* difference is enough. However if/when a point-tool is created
|
|
* with this method, function should be called with new_style (below)
|
|
* instead of HT_LINE | style case HT_POINT is handled specially
|
|
* new_style := (_thd.next_drawstyle & HT_RECT) ? HT_LINE | style : _thd.next_drawstyle; */
|
|
int heightdiff = CalcHeightdiff(HT_LINE | style, 0, t0, t1);
|
|
|
|
params[index++] = distance;
|
|
if (heightdiff != 0) params[index++] = heightdiff;
|
|
}
|
|
|
|
GuiShowTooltipsWithArgs(measure_strings_length[index], index, params);
|
|
} break;
|
|
|
|
case VPM_X_AND_Y_LIMITED: { /* drag an X by Y constrained rect area */
|
|
int limit = (_thd.sizelimit - 1) * TILE_SIZE;
|
|
x = sx + Clamp(x - sx, -limit, limit);
|
|
y = sy + Clamp(y - sy, -limit, limit);
|
|
} /* Fallthrough */
|
|
case VPM_X_AND_Y: { /* drag an X by Y area */
|
|
if (_patches.measure_tooltip) {
|
|
static const StringID measure_strings_area[] = {
|
|
STR_NULL, STR_NULL, STR_MEASURE_AREA, STR_MEASURE_AREA_HEIGHTDIFF
|
|
};
|
|
|
|
TileIndex t0 = TileVirtXY(sx, sy);
|
|
TileIndex t1 = TileVirtXY(x, y);
|
|
uint dx = Delta(TileX(t0), TileX(t1)) + 1;
|
|
uint dy = Delta(TileY(t0), TileY(t1)) + 1;
|
|
byte index = 0;
|
|
uint64 params[3];
|
|
|
|
/* If dragging an area (eg dynamite tool) and it is actually a single
|
|
* row/column, change the type to 'line' to get proper calculation for height */
|
|
style = (HighLightStyle)_thd.next_drawstyle;
|
|
if (style & HT_RECT) {
|
|
if (dx == 1) {
|
|
style = HT_LINE | HT_DIR_Y;
|
|
} else if (dy == 1) {
|
|
style = HT_LINE | HT_DIR_X;
|
|
}
|
|
}
|
|
|
|
if (dx != 1 || dy != 1) {
|
|
int heightdiff = CalcHeightdiff(style, 0, t0, t1);
|
|
|
|
params[index++] = dx;
|
|
params[index++] = dy;
|
|
if (heightdiff != 0) params[index++] = heightdiff;
|
|
}
|
|
|
|
GuiShowTooltipsWithArgs(measure_strings_area[index], index, params);
|
|
}
|
|
break;
|
|
|
|
}
|
|
default: NOT_REACHED();
|
|
}
|
|
|
|
_thd.selend.x = x;
|
|
_thd.selend.y = y;
|
|
}
|
|
|
|
/** while dragging */
|
|
bool VpHandlePlaceSizingDrag()
|
|
{
|
|
Window *w;
|
|
WindowEvent e;
|
|
|
|
if (_special_mouse_mode != WSM_SIZING) return true;
|
|
|
|
e.we.place.select_method = _thd.select_method;
|
|
e.we.place.select_proc = _thd.select_proc;
|
|
|
|
/* stop drag mode if the window has been closed */
|
|
w = FindWindowById(_thd.window_class, _thd.window_number);
|
|
if (w == NULL) {
|
|
ResetObjectToPlace();
|
|
return false;
|
|
}
|
|
|
|
/* while dragging execute the drag procedure of the corresponding window (mostly VpSelectTilesWithMethod() ) */
|
|
if (_left_button_down) {
|
|
e.event = WE_PLACE_DRAG;
|
|
e.we.place.pt = GetTileBelowCursor();
|
|
w->wndproc(w, &e);
|
|
return false;
|
|
}
|
|
|
|
/* mouse button released..
|
|
* keep the selected tool, but reset it to the original mode. */
|
|
_special_mouse_mode = WSM_NONE;
|
|
if (_thd.next_drawstyle == HT_RECT) {
|
|
_thd.place_mode = VHM_RECT;
|
|
} else if (e.we.place.select_method == VPM_SIGNALDIRS) { // some might call this a hack... -- Dominik
|
|
_thd.place_mode = VHM_RECT;
|
|
} else if (_thd.next_drawstyle & HT_LINE) {
|
|
_thd.place_mode = VHM_RAIL;
|
|
} else if (_thd.next_drawstyle & HT_RAIL) {
|
|
_thd.place_mode = VHM_RAIL;
|
|
} else {
|
|
_thd.place_mode = VHM_POINT;
|
|
}
|
|
SetTileSelectSize(1, 1);
|
|
|
|
/* and call the mouseup event. */
|
|
e.event = WE_PLACE_MOUSEUP;
|
|
e.we.place.pt = _thd.selend;
|
|
e.we.place.tile = TileVirtXY(e.we.place.pt.x, e.we.place.pt.y);
|
|
e.we.place.starttile = TileVirtXY(_thd.selstart.x, _thd.selstart.y);
|
|
w->wndproc(w, &e);
|
|
|
|
return false;
|
|
}
|
|
|
|
void SetObjectToPlaceWnd(CursorID icon, SpriteID pal, ViewportHighlightMode mode, Window *w)
|
|
{
|
|
SetObjectToPlace(icon, pal, mode, w->window_class, w->window_number);
|
|
}
|
|
|
|
#include "table/animcursors.h"
|
|
|
|
void SetObjectToPlace(CursorID icon, SpriteID pal, ViewportHighlightMode mode, WindowClass window_class, WindowNumber window_num)
|
|
{
|
|
Window *w;
|
|
|
|
/* undo clicking on button and drag & drop */
|
|
if (_thd.place_mode != VHM_NONE || _special_mouse_mode == WSM_DRAGDROP) {
|
|
w = FindWindowById(_thd.window_class, _thd.window_number);
|
|
if (w != NULL) CallWindowEventNP(w, WE_ABORT_PLACE_OBJ);
|
|
}
|
|
|
|
SetTileSelectSize(1, 1);
|
|
|
|
_thd.make_square_red = false;
|
|
|
|
if (mode == VHM_DRAG) { // VHM_DRAG is for dragdropping trains in the depot window
|
|
mode = VHM_NONE;
|
|
_special_mouse_mode = WSM_DRAGDROP;
|
|
} else {
|
|
_special_mouse_mode = WSM_NONE;
|
|
}
|
|
|
|
_thd.place_mode = mode;
|
|
_thd.window_class = window_class;
|
|
_thd.window_number = window_num;
|
|
|
|
if (mode == VHM_SPECIAL) // special tools, like tunnels or docks start with presizing mode
|
|
VpStartPreSizing();
|
|
|
|
if ( (int)icon < 0)
|
|
SetAnimatedMouseCursor(_animcursors[~icon]);
|
|
else
|
|
SetMouseCursor(icon, pal);
|
|
}
|
|
|
|
void ResetObjectToPlace()
|
|
{
|
|
SetObjectToPlace(SPR_CURSOR_MOUSE, PAL_NONE, VHM_NONE, WC_MAIN_WINDOW, 0);
|
|
}
|