mirror of
https://github.com/JGRennison/OpenTTD-patches.git
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177 lines
7.9 KiB
C++
177 lines
7.9 KiB
C++
/*
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* This file is part of OpenTTD.
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* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
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* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file viewport_func.h Functions related to (drawing on) viewports. */
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#ifndef VIEWPORT_FUNC_H
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#define VIEWPORT_FUNC_H
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#include "gfx_type.h"
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#include "viewport_type.h"
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#include "window_type.h"
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#include "tile_map.h"
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#include "station_type.h"
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#include "vehicle_base.h"
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struct TileInfo;
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struct ViewportDrawerDynamic;
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static const int TILE_HEIGHT_STEP = 50; ///< One Z unit tile height difference is displayed as 50m.
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void SetSelectionRed(bool);
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void SetSelectionPalette(PaletteID);
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void ClearViewportCache(Viewport *vp);
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void ClearViewportLandPixelCache(Viewport *vp);
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void ClearViewportCaches();
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void DeleteWindowViewport(Window *w);
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void InitializeWindowViewport(Window *w, int x, int y, int width, int height, uint32 follow_flags, ZoomLevel zoom);
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Viewport *IsPtInWindowViewport(const Window *w, int x, int y);
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Point TranslateXYToTileCoord(const Viewport *vp, int x, int y, bool clamp_to_map = true);
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Point GetTileBelowCursor();
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void UpdateNextViewportPosition(Window *w);
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void ApplyNextViewportPosition(Window *w);
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void UpdateViewportSizeZoom(Viewport *vp);
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void MarkViewportDirty(Viewport * const vp, int left, int top, int right, int bottom, ViewportMarkDirtyFlags flags);
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void MarkAllViewportsDirty(int left, int top, int right, int bottom, ViewportMarkDirtyFlags flags = VMDF_NONE);
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void MarkAllViewportMapsDirty(int left, int top, int right, int bottom);
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void MarkAllViewportMapLandscapesDirty();
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void MarkWholeNonMapViewportsDirty();
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void MarkAllViewportOverlayStationLinksDirty(const Station *st);
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void MarkViewportLineDirty(Viewport * const vp, const Point from_pt, const Point to_pt, const int block_radius, ViewportMarkDirtyFlags flags);
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void MarkTileLineDirty(const TileIndex from_tile, const TileIndex to_tile, ViewportMarkDirtyFlags flags);
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void MarkDirtyFocusedRoutePaths(const Vehicle *veh);
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void CheckMarkDirtyViewportRoutePaths(const Vehicle *veh);
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void CheckMarkDirtyViewportRoutePaths();
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void AddFixedViewportRoutePath(VehicleID veh);
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void RemoveFixedViewportRoutePath(VehicleID veh);
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void ChangeFixedViewportRoutePath(VehicleID from, VehicleID to);
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bool DoZoomInOutWindow(ZoomStateChange how, Window *w);
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void ZoomInOrOutToCursorWindow(bool in, Window * w);
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void ConstrainAllViewportsZoom();
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Point GetTileZoomCenterWindow(bool in, Window * w);
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void FixTitleGameZoom(int zoom_adjust = 0);
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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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* Zoom a viewport as far as possible in the given direction.
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* @param how Zooming direction.
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* @param w Window owning the viewport.
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* @pre \a how should not be #ZOOM_NONE.
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*/
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static inline void MaxZoomInOut(ZoomStateChange how, Window *w)
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{
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while (DoZoomInOutWindow(how, w)) {};
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}
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void OffsetGroundSprite(int x, int y);
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void DrawGroundSprite(SpriteID image, PaletteID pal, const SubSprite *sub = nullptr, int extra_offs_x = 0, int extra_offs_y = 0);
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void DrawGroundSpriteAt(SpriteID image, PaletteID pal, int32 x, int32 y, int z, const SubSprite *sub = nullptr, int extra_offs_x = 0, int extra_offs_y = 0);
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void AddSortableSpriteToDraw(SpriteID image, PaletteID pal, int x, int y, int w, int h, int dz, int z, bool transparent = false, int bb_offset_x = 0, int bb_offset_y = 0, int bb_offset_z = 0, const SubSprite *sub = nullptr);
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void AddChildSpriteScreen(SpriteID image, PaletteID pal, int x, int y, bool transparent = false, const SubSprite *sub = nullptr, bool scale = true, ChildScreenSpritePositionMode position_mode = ChildScreenSpritePositionMode::Relative);
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void ViewportAddString(ViewportDrawerDynamic *vdd, const DrawPixelInfo *dpi, ZoomLevel small_from, const ViewportSign *sign, StringID string_normal, StringID string_small, StringID string_small_shadow, uint64 params_1, uint64 params_2 = 0, Colours colour = INVALID_COLOUR);
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void StartSpriteCombine();
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void EndSpriteCombine();
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enum HandleViewportClickedResult {
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HVCR_DENY,
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HVCR_SCROLL_ONLY,
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HVCR_ALLOW,
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};
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bool HandleViewportDoubleClicked(Window *w, int x, int y);
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HandleViewportClickedResult HandleViewportClicked(const Viewport *vp, int x, int y, bool double_click);
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void SetRedErrorSquare(TileIndex tile);
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void SetTileSelectSize(int w, int h);
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void SetTileSelectBigSize(int ox, int oy, int sx, int sy);
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void ViewportDoDraw(Viewport *vp, int left, int top, int right, int bottom, uint8 display_flags);
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void ViewportDoDrawProcessAllPending();
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bool ScrollWindowToTile(TileIndex tile, Window *w, bool instant = false);
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bool ScrollWindowTo(int x, int y, int z, Window *w, bool instant = false);
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void UpdateActiveScrollingViewport(Window *w);
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void RebuildViewportOverlay(Window *w, bool incremental);
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bool IsViewportOverlayOutsideCachedRegion(Window *w);
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bool ScrollMainWindowToTile(TileIndex tile, bool instant = false);
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bool ScrollMainWindowTo(int x, int y, int z = -1, bool instant = false);
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void UpdateAllVirtCoords();
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void ClearAllCachedNames();
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extern Point _tile_fract_coords;
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void MarkTileDirtyByTile(const TileIndex tile, ViewportMarkDirtyFlags flags, int bridge_level_offset, int tile_height_override);
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/**
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* Mark a tile given by its index dirty for repaint.
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* @param tile The tile to mark dirty.
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* @param flags To tell if an update is relevant or not (for example, animations in map mode are not).
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* @param bridge_level_offset Height of bridge on tile to also mark dirty. (Height level relative to north corner.)
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* @ingroup dirty
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*/
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static inline void MarkTileDirtyByTile(TileIndex tile, ViewportMarkDirtyFlags flags = VMDF_NONE, int bridge_level_offset = 0)
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{
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MarkTileDirtyByTile(tile, flags, bridge_level_offset, TileHeight(tile));
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}
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void MarkTileGroundDirtyByTile(TileIndex tile, ViewportMarkDirtyFlags flags);
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void ChangeRenderMode(Viewport *vp, bool down);
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Point GetViewportStationMiddle(const Viewport *vp, const Station *st);
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void ShowTooltipForTile(Window *w, const TileIndex tile);
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void ViewportMapStoreTunnel(const TileIndex tile, const TileIndex tile_south, const int tunnel_z, const bool insert_sorted);
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void ViewportMapClearTunnelCache();
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void ViewportMapInvalidateTunnelCacheByTile(const TileIndex tile, const Axis axis);
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void ViewportMapBuildTunnelCache();
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void DrawTileSelectionRect(const TileInfo *ti, PaletteID pal);
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void DrawSelectionSprite(SpriteID image, PaletteID pal, const TileInfo *ti, int z_offset, FoundationPart foundation_part, int extra_offs_x = 0, int extra_offs_y = 0, const SubSprite *sub = nullptr);
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struct Waypoint;
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struct Town;
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struct TraceRestrictProgram;
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void SetViewportCatchmentStation(const Station *st, bool sel);
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void SetViewportCatchmentWaypoint(const Waypoint *wp, bool sel);
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void SetViewportCatchmentTown(const Town *t, bool sel);
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void SetViewportCatchmentTraceRestrictProgram(const TraceRestrictProgram *prog, bool sel);
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template<class T>
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void SetViewportCatchmentSpecializedStation(const T *st, bool sel);
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template<>
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inline void SetViewportCatchmentSpecializedStation(const Station *st, bool sel)
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{
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SetViewportCatchmentStation(st, sel);
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}
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template<>
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inline void SetViewportCatchmentSpecializedStation(const Waypoint *st, bool sel)
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{
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SetViewportCatchmentWaypoint(st, sel);
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}
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void MarkBridgeDirty(TileIndex begin, TileIndex end, DiagDirection direction, uint bridge_height, ViewportMarkDirtyFlags flags = VMDF_NONE);
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void MarkBridgeDirty(TileIndex tile, ViewportMarkDirtyFlags flags = VMDF_NONE);
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void MarkBridgeOrTunnelDirty(TileIndex tile, ViewportMarkDirtyFlags flags = VMDF_NONE);
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void MarkBridgeOrTunnelDirtyOnReservationChange(TileIndex tile, ViewportMarkDirtyFlags flags = VMDF_NONE);
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bool IsViewportMouseHoverActive();
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#endif /* VIEWPORT_FUNC_H */
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