2008-01-09 09:45:45 +00:00
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/* $Id$ */
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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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2008-01-09 09:57:48 +00:00
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#include "gfx_type.h"
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2008-01-09 09:45:45 +00:00
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#include "viewport_type.h"
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#include "vehicle_type.h"
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void SetSelectionRed(bool);
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void InitViewports();
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void DeleteWindowViewport(Window *w);
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void AssignWindowViewport(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 GetTileBelowCursor();
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void UpdateViewportPosition(Window *w);
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bool DoZoomInOutWindow(int how, Window *w);
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void ZoomInOrOutToCursorWindow(bool in, Window * w);
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Point GetTileZoomCenterWindow(bool in, Window * w);
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void HandleZoomMessage(Window *w, const ViewPort *vp, byte widget_zoom_in, byte widget_zoom_out);
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static inline void MaxZoomInOut(int 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, SpriteID pal, const SubSprite *sub = NULL);
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void DrawGroundSpriteAt(SpriteID image, SpriteID pal, int32 x, int32 y, byte z, const SubSprite *sub = NULL);
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void AddSortableSpriteToDraw(SpriteID image, SpriteID 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 = NULL);
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void *AddStringToDraw(int x, int y, StringID string, uint64 params_1, uint64 params_2);
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void AddChildSpriteScreen(SpriteID image, SpriteID pal, int x, int y, bool transparent = false, const SubSprite *sub = NULL);
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void StartSpriteCombine();
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void EndSpriteCombine();
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void HandleViewportClicked(const ViewPort *vp, int x, int y);
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void PlaceObject();
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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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Vehicle *CheckMouseOverVehicle();
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void VpSelectTilesWithMethod(int x, int y, ViewportPlaceMethod method);
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void VpStartPlaceSizing(TileIndex tile, ViewportPlaceMethod method, byte process);
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void VpSetPresizeRange(uint from, uint to);
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void VpSetPlaceSizingLimit(int limit);
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typedef void PlaceProc(TileIndex tile);
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void PlaceProc_DemolishArea(TileIndex tile);
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void PlaceProc_LevelLand(TileIndex tile);
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void PlaceProc_BuyLand(TileIndex tile);
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bool GUIPlaceProcDragXY(const WindowEvent *e);
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/* common button handler */
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bool HandlePlacePushButton(Window *w, int widget, CursorID cursor, ViewportHighlightMode mode, PlaceProc *placeproc);
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void ViewportDoDraw(const ViewPort *vp, int left, int top, int right, int bottom);
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void SetObjectToPlaceWnd(CursorID icon, SpriteID pal, ViewportHighlightMode mode, Window *w);
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void SetObjectToPlace(CursorID icon, SpriteID pal, ViewportHighlightMode mode, WindowClass window_class, WindowNumber window_num);
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void ResetObjectToPlace();
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bool ScrollWindowTo(int x, int y, Window *w, bool instant = false);
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bool ScrollMainWindowToTile(TileIndex tile, bool instant = false);
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bool ScrollMainWindowTo(int x, int y, bool instant = false);
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extern PlaceProc *_place_proc;
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extern Point _tile_fract_coords;
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extern TileHighlightData _thd;
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#endif /* VIEWPORT_FUNC_H */
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