tron@2186: /* $Id$ */
tron@2186: 
truelight@0: #ifndef VIEWPORT_H
truelight@0: #define VIEWPORT_H
truelight@0: 
truelight@0: struct ViewPort {
rubidium@4344: 	int left,top;                       // screen coordinates for the viewport
rubidium@4344: 	int width, height;                  // screen width/height for the viewport
truelight@0: 
rubidium@4344: 	int virtual_left, virtual_top;      // virtual coordinates
rubidium@4344: 	int virtual_width, virtual_height;  // these are just width << zoom, height << zoom
truelight@0: 
truelight@193: 	byte zoom;
truelight@0: };
truelight@0: 
tron@1990: void SetSelectionRed(bool);
tron@1990: 
truelight@0: /* viewport.c */
Darkvater@5122: void InitViewports(void);
Darkvater@5122: void DeleteWindowViewport(Window *w);
truelight@193: void AssignWindowViewport(Window *w, int x, int y,
truelight@0: 	int width, int height, uint32 follow_flags, byte zoom);
tron@2116: ViewPort *IsPtInWindowViewport(const Window *w, int x, int y);
tron@1093: Point GetTileBelowCursor(void);
Darkvater@5044: void UpdateViewportPosition(Window *w);
Darkvater@5044: 
Darkvater@5044: enum {
Darkvater@5044: 	ZOOM_IN   = 0,
Darkvater@5044: 	ZOOM_OUT  = 1,
Darkvater@5044: 	ZOOM_NONE = 2, // hack, used to update the button status
Darkvater@5044: };
Darkvater@5044: 
Darkvater@5044: bool DoZoomInOutWindow(int how, Window *w);
darkvater@152: void ZoomInOrOutToCursorWindow(bool in, Window * w);
darkvater@152: Point GetTileZoomCenterWindow(bool in, Window * w);
Darkvater@5045: void HandleZoomMessage(Window *w, const ViewPort *vp, byte widget_zoom_in, byte widget_zoom_out);
truelight@0: 
Darkvater@5046: static inline void MaxZoomInOut(int how, Window *w)
Darkvater@5046: {
Darkvater@5046: 	while (DoZoomInOutWindow(how, w) ) {};
Darkvater@5046: }
Darkvater@5046: 
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);
tron@5026: void *AddStringToDraw(int x, int y, StringID string, uint32 params_1, uint32 params_2);
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: 
tron@2116: void HandleViewportClicked(const 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: 
tron@1977: void VpStartPlaceSizing(TileIndex tile, int user);
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 {
rubidium@4344: 	VPM_X_OR_Y          = 0,
rubidium@4344: 	VPM_FIX_X           = 1,
rubidium@4344: 	VPM_FIX_Y           = 2,
rubidium@4344: 	VPM_RAILDIRS        = 3,
rubidium@4344: 	VPM_X_AND_Y         = 4,
truelight@0: 	VPM_X_AND_Y_LIMITED = 5,
rubidium@4344: 	VPM_SIGNALDIRS      = 6
dominik@1070: };
dominik@1070: 
dominik@1070: // viewport highlight mode (for highlighting tiles below cursor)
dominik@1070: enum {
rubidium@4344: 	VHM_NONE    = 0, // default
rubidium@4344: 	VHM_RECT    = 1, // rectangle (stations, depots, ...)
rubidium@4344: 	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)
rubidium@4344: 	VHM_DRAG    = 4, // dragging items in the depot windows
rubidium@4344: 	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
Darkvater@4799: typedef byte HighLightStyle;
Darkvater@4799: enum HighLightStyles {
rubidium@4344: 	HT_NONE   = 0x00,
rubidium@4344: 	HT_RECT   = 0x80,
rubidium@4344: 	HT_POINT  = 0x40,
rubidium@4344: 	HT_LINE   = 0x20, /* used for autorail highlighting (longer streches)
rubidium@4344: 	                   * (uses lower bits to indicate direction) */
rubidium@4344: 	HT_RAIL   = 0x10, /* autorail (one piece)
rubidium@4344: 	                  * (uses lower bits to indicate direction) */
Darkvater@4799: 	HT_DRAG_MASK = 0xF0, ///< masks the drag-type
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) */
Darkvater@4799: 	HT_DIR_X  = 0,    ///< X direction
Darkvater@4799: 	HT_DIR_Y  = 1,    ///< Y direction
Darkvater@4799: 	HT_DIR_HU = 2,    ///< horizontal upper
Darkvater@4799: 	HT_DIR_HL = 3,    ///< horizontal lower
Darkvater@4799: 	HT_DIR_VL = 4,    ///< vertical left
Darkvater@4799: 	HT_DIR_VR = 5,    ///< vertical right
Darkvater@4799: 	HT_DIR_MASK = 0x7 ///< masks the drag-direction
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
celestar@5650: bool HandlePlacePushButton(Window *w, int widget, CursorID cursor, int mode, PlaceProc *placeproc);
truelight@0: 
truelight@0: VARDEF Point _tile_fract_coords;
truelight@0: 
tron@1863: extern TileHighlightData _thd;
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 */