truelight@0: #ifndef VIEWPORT_H
truelight@0: #define VIEWPORT_H
truelight@0: 
truelight@0: struct ViewPort {
truelight@0: 	int left,top;												// screen coordinates for the viewport
truelight@0: 	int width, height;									// screen width/height for the viewport
truelight@0: 
truelight@0: 	int virtual_left, virtual_top;			// virtual coordinates
truelight@0: 	int virtual_width, virtual_height;	// these are just width << zoom, height << zoom
truelight@0: 
truelight@193: 	byte zoom;
truelight@0: };
truelight@0: 
truelight@0: /* viewport.c */
truelight@0: Point MapXYZToViewport(ViewPort *vp, uint x, uint y, uint z);
truelight@193: void AssignWindowViewport(Window *w, int x, int y,
truelight@0: 	int width, int height, uint32 follow_flags, byte zoom);
truelight@0: void SetViewportPosition(Window *w, int x, int y);
truelight@0: ViewPort *IsPtInWindowViewport(Window *w, int x, int y);
tron@1093: Point GetTileBelowCursor(void);
darkvater@152: void ZoomInOrOutToCursorWindow(bool in, Window * w);
darkvater@152: Point GetTileZoomCenterWindow(bool in, Window * w);
truelight@0: void UpdateViewportPosition(Window *w);
truelight@0: 
truelight@0: void OffsetGroundSprite(int x, int y);
truelight@0: 
truelight@0: void DrawGroundSprite(uint32 image);
tron@849: void DrawGroundSpriteAt(uint32 image, int32 x, int32 y, byte z);
truelight@0: void AddSortableSpriteToDraw(uint32 image, int x, int y, int w, int h, byte dz, byte z);
truelight@835: void *AddStringToDraw(int x, int y, StringID string, uint32 params_1, uint32 params_2, uint32 params_3);
truelight@0: void AddChildSpriteScreen(uint32 image, int x, int y);
truelight@0: 
truelight@0: 
tron@1093: void StartSpriteCombine(void);
tron@1093: void EndSpriteCombine(void);
truelight@0: 
truelight@0: void HandleViewportClicked(ViewPort *vp, int x, int y);
tron@1093: void PlaceObject(void);
truelight@0: void SetRedErrorSquare(TileIndex tile);
truelight@0: void SetTileSelectSize(int w, int h);
truelight@0: void SetTileSelectBigSize(int ox, int oy, int sx, int sy);
truelight@0: 
truelight@0: void VpStartPlaceSizing(uint tile, int user);
tron@1093: void VpStartPreSizing(void);
truelight@0: void VpSetPresizeRange(uint from, uint to);
truelight@0: void VpSetPlaceSizingLimit(int limit);
truelight@0: 
tron@1093: Vehicle *CheckMouseOverVehicle(void);
truelight@0: 
truelight@0: enum {
truelight@0: 	VPM_X_OR_Y = 0,
truelight@0: 	VPM_FIX_X = 1,
truelight@0: 	VPM_FIX_Y = 2,
truelight@0: 	VPM_RAILDIRS = 3,
truelight@0: 	VPM_X_AND_Y = 4,
truelight@0: 	VPM_X_AND_Y_LIMITED = 5,
dominik@1070: 	VPM_SIGNALDIRS = 6
dominik@1070: };
dominik@1070: 
dominik@1070: // viewport highlight mode (for highlighting tiles below cursor)
dominik@1070: enum {
dominik@1070: 	VHM_NONE = 0,    // default
dominik@1070: 	VHM_RECT = 1,    // rectangle (stations, depots, ...)
dominik@1070: 	VHM_POINT = 2,   // point (lower land, raise land, level land, ...)
dominik@1070: 	VHM_SPECIAL = 3, // special mode used for highlighting while dragging (and for tunnels/docks)
dominik@1070: 	VHM_DRAG = 4,    // dragging items in the depot windows
dominik@1070: 	VHM_RAIL = 5,    // rail pieces
truelight@0: };
truelight@0: 
truelight@0: void VpSelectTilesWithMethod(int x, int y, int method);
truelight@0: 
dominik@1070: // highlighting draw styles
truelight@0: enum {
truelight@0: 	HT_NONE = 0,
truelight@0: 	HT_RECT = 0x80,
truelight@0: 	HT_POINT = 0x40,
dominik@1070: 	HT_LINE = 0x20, /* used for autorail highlighting (longer streches)
dominik@1070: 									 * (uses lower bits to indicate direction) */
dominik@1070: 	HT_RAIL = 0x10, /* autorail (one piece)
dominik@1070: 									 * (uses lower bits to indicate direction) */
dominik@1070: 
tron@1109: 	/* lower bits (used with HT_LINE and HT_RAIL):
dominik@1070: 	 * (see ASCII art in autorail.h for a visual interpretation) */
dominik@1070: 	HT_DIR_X = 0,  // X direction
dominik@1070: 	HT_DIR_Y = 1,  // Y direction
dominik@1070: 	HT_DIR_HU = 2, // horizontal upper
dominik@1070: 	HT_DIR_HL = 3, // horizontal lower
dominik@1070: 	HT_DIR_VL = 4, // vertical left
dominik@1070: 	HT_DIR_VR = 5, // vertical right
truelight@0: };
truelight@0: 
truelight@0: typedef struct TileHighlightData {
truelight@0: 	Point size;
truelight@0: 	Point outersize;
truelight@0: 	Point pos;
truelight@0: 	Point offs;
truelight@0: 
truelight@0: 	Point new_pos;
truelight@0: 	Point new_size;
truelight@0: 	Point new_outersize;
truelight@0: 
truelight@0: 	Point selend, selstart;
truelight@0: 
truelight@0: 	byte dirty;
truelight@0: 	byte sizelimit;
truelight@0: 
dominik@1070: 	byte drawstyle;      // lower bits 0-3 are reserved for detailed highlight information information
dominik@1070: 	byte new_drawstyle;  // only used in UpdateTileSelection() to as a buffer to compare if there was a change between old and new
dominik@1070: 	byte next_drawstyle; // queued, but not yet drawn style
truelight@0: 
truelight@0: 	byte place_mode;
truelight@0: 	bool make_square_red;
tron@873: 	WindowClass window_class;
tron@873: 	WindowNumber window_number;
truelight@0: 
truelight@0: 	int userdata;
truelight@0: 	TileIndex redsq;
truelight@0: } TileHighlightData;
truelight@0: 
truelight@0: 
truelight@0: // common button handler
truelight@0: bool HandlePlacePushButton(Window *w, int widget, uint32 cursor, int mode, PlaceProc *placeproc);
truelight@0: 
truelight@0: /* viewport.c */
darkvater@771: // XXX - maximum viewports is maximum windows - 2 (main toolbar + status bar)
darkvater@771: VARDEF ViewPort _viewports[25 - 2];
truelight@0: VARDEF TileHighlightData _thd;
truelight@0: VARDEF uint32 _active_viewports;
truelight@0: 
truelight@0: VARDEF Point _tile_fract_coords;
truelight@0: 
truelight@0: extern TileHighlightData * const _thd_ptr;
truelight@0: 
truelight@0: 
tron@430: void ViewportDoDraw(const ViewPort *vp, int left, int top, int right, int bottom);
tron@430: 
tron@430: #endif /* VIEWPORT_H */