viewport_func.h

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00001 /* $Id: viewport_func.h 11939 2008-01-21 23:55:57Z rubidium $ */
00002 
00005 #ifndef VIEWPORT_FUNC_H
00006 #define VIEWPORT_FUNC_H
00007 
00008 #include "gfx_type.h"
00009 #include "viewport_type.h"
00010 #include "vehicle_type.h"
00011 #include "strings_type.h"
00012 
00013 void SetSelectionRed(bool);
00014 
00015 void InitViewports();
00016 void DeleteWindowViewport(Window *w);
00017 void AssignWindowViewport(Window *w, int x, int y, int width, int height, uint32 follow_flags, ZoomLevel zoom);
00018 ViewPort *IsPtInWindowViewport(const Window *w, int x, int y);
00019 Point GetTileBelowCursor();
00020 void UpdateViewportPosition(Window *w);
00021 
00022 bool DoZoomInOutWindow(int how, Window *w);
00023 void ZoomInOrOutToCursorWindow(bool in, Window * w);
00024 Point GetTileZoomCenterWindow(bool in, Window * w);
00025 void HandleZoomMessage(Window *w, const ViewPort *vp, byte widget_zoom_in, byte widget_zoom_out);
00026 
00027 static inline void MaxZoomInOut(int how, Window *w)
00028 {
00029   while (DoZoomInOutWindow(how, w)) {};
00030 }
00031 
00032 void OffsetGroundSprite(int x, int y);
00033 
00034 void DrawGroundSprite(SpriteID image, SpriteID pal, const SubSprite *sub = NULL);
00035 void DrawGroundSpriteAt(SpriteID image, SpriteID pal, int32 x, int32 y, byte z, const SubSprite *sub = NULL);
00036 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);
00037 void *AddStringToDraw(int x, int y, StringID string, uint64 params_1, uint64 params_2);
00038 void AddChildSpriteScreen(SpriteID image, SpriteID pal, int x, int y, bool transparent = false, const SubSprite *sub = NULL);
00039 
00040 
00041 void StartSpriteCombine();
00042 void EndSpriteCombine();
00043 
00044 void HandleViewportClicked(const ViewPort *vp, int x, int y);
00045 void PlaceObject();
00046 void SetRedErrorSquare(TileIndex tile);
00047 void SetTileSelectSize(int w, int h);
00048 void SetTileSelectBigSize(int ox, int oy, int sx, int sy);
00049 
00050 Vehicle *CheckMouseOverVehicle();
00051 
00052 void VpSelectTilesWithMethod(int x, int y, ViewportPlaceMethod method);
00053 void VpStartPlaceSizing(TileIndex tile, ViewportPlaceMethod method, byte process);
00054 void VpSetPresizeRange(TileIndex from, TileIndex to);
00055 void VpSetPlaceSizingLimit(int limit);
00056 
00057 typedef void PlaceProc(TileIndex tile);
00058 void PlaceProc_DemolishArea(TileIndex tile);
00059 void PlaceProc_LevelLand(TileIndex tile);
00060 void PlaceProc_BuyLand(TileIndex tile);
00061 bool GUIPlaceProcDragXY(const WindowEvent *e);
00062 
00063 /* common button handler */
00064 bool HandlePlacePushButton(Window *w, int widget, CursorID cursor, ViewportHighlightMode mode, PlaceProc *placeproc);
00065 
00066 void ViewportDoDraw(const ViewPort *vp, int left, int top, int right, int bottom);
00067 
00068 void SetObjectToPlaceWnd(CursorID icon, SpriteID pal, ViewportHighlightMode mode, Window *w);
00069 void SetObjectToPlace(CursorID icon, SpriteID pal, ViewportHighlightMode mode, WindowClass window_class, WindowNumber window_num);
00070 
00071 void ResetObjectToPlace();
00072 
00073 bool ScrollWindowTo(int x, int y, Window *w, bool instant = false);
00074 
00075 bool ScrollMainWindowToTile(TileIndex tile, bool instant = false);
00076 bool ScrollMainWindowTo(int x, int y, bool instant = false);
00077 
00078 extern PlaceProc *_place_proc;
00079 extern Point _tile_fract_coords;
00080 extern TileHighlightData _thd;
00081 
00082 #endif /* VIEWPORT_FUNC_H */

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