141 lines
4.1 KiB
C
141 lines
4.1 KiB
C
/* $Id$ */
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#ifndef VIEWPORT_H
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#define VIEWPORT_H
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struct ViewPort {
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int left,top; // screen coordinates for the viewport
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int width, height; // screen width/height for the viewport
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int virtual_left, virtual_top; // virtual coordinates
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int virtual_width, virtual_height; // these are just width << zoom, height << zoom
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byte zoom;
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};
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void SetSelectionRed(bool);
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/* viewport.c */
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void AssignWindowViewport(Window *w, int x, int y,
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int width, int height, uint32 follow_flags, byte zoom);
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ViewPort *IsPtInWindowViewport(const Window *w, int x, int y);
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Point GetTileBelowCursor(void);
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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 UpdateViewportPosition(Window *w);
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void OffsetGroundSprite(int x, int y);
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void DrawGroundSprite(uint32 image);
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void DrawGroundSpriteAt(uint32 image, int32 x, int32 y, byte z);
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void AddSortableSpriteToDraw(uint32 image, int x, int y, int w, int h, byte dz, byte z);
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void *AddStringToDraw(int x, int y, StringID string, uint32 params_1, uint32 params_2, uint32 params_3);
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void AddChildSpriteScreen(uint32 image, int x, int y);
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void StartSpriteCombine(void);
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void EndSpriteCombine(void);
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void HandleViewportClicked(const ViewPort *vp, int x, int y);
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void PlaceObject(void);
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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 VpStartPlaceSizing(TileIndex tile, int user);
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void VpSetPresizeRange(uint from, uint to);
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void VpSetPlaceSizingLimit(int limit);
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Vehicle *CheckMouseOverVehicle(void);
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enum {
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VPM_X_OR_Y = 0,
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VPM_FIX_X = 1,
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VPM_FIX_Y = 2,
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VPM_RAILDIRS = 3,
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VPM_X_AND_Y = 4,
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VPM_X_AND_Y_LIMITED = 5,
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VPM_SIGNALDIRS = 6
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};
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// viewport highlight mode (for highlighting tiles below cursor)
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enum {
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VHM_NONE = 0, // default
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VHM_RECT = 1, // rectangle (stations, depots, ...)
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VHM_POINT = 2, // point (lower land, raise land, level land, ...)
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VHM_SPECIAL = 3, // special mode used for highlighting while dragging (and for tunnels/docks)
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VHM_DRAG = 4, // dragging items in the depot windows
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VHM_RAIL = 5, // rail pieces
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};
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void VpSelectTilesWithMethod(int x, int y, int method);
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// highlighting draw styles
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typedef byte HighLightStyle;
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enum HighLightStyles {
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HT_NONE = 0x00,
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HT_RECT = 0x80,
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HT_POINT = 0x40,
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HT_LINE = 0x20, /* used for autorail highlighting (longer streches)
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* (uses lower bits to indicate direction) */
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HT_RAIL = 0x10, /* autorail (one piece)
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* (uses lower bits to indicate direction) */
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HT_DRAG_MASK = 0xF0, ///< masks the drag-type
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/* lower bits (used with HT_LINE and HT_RAIL):
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* (see ASCII art in autorail.h for a visual interpretation) */
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HT_DIR_X = 0, ///< X direction
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HT_DIR_Y = 1, ///< Y direction
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HT_DIR_HU = 2, ///< horizontal upper
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HT_DIR_HL = 3, ///< horizontal lower
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HT_DIR_VL = 4, ///< vertical left
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HT_DIR_VR = 5, ///< vertical right
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HT_DIR_MASK = 0x7 ///< masks the drag-direction
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};
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typedef struct TileHighlightData {
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Point size;
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Point outersize;
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Point pos;
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Point offs;
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Point new_pos;
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Point new_size;
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Point new_outersize;
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Point selend, selstart;
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byte dirty;
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byte sizelimit;
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byte drawstyle; // lower bits 0-3 are reserved for detailed highlight information information
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byte new_drawstyle; // only used in UpdateTileSelection() to as a buffer to compare if there was a change between old and new
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byte next_drawstyle; // queued, but not yet drawn style
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byte place_mode;
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bool make_square_red;
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WindowClass window_class;
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WindowNumber window_number;
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int userdata;
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TileIndex redsq;
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} TileHighlightData;
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// common button handler
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bool HandlePlacePushButton(Window *w, int widget, uint32 cursor, int mode, PlaceProc *placeproc);
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/* viewport.c */
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// XXX - maximum viewports is maximum windows - 2 (main toolbar + status bar)
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VARDEF ViewPort _viewports[25 - 2];
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VARDEF uint32 _active_viewports;
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VARDEF Point _tile_fract_coords;
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extern TileHighlightData _thd;
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void ViewportDoDraw(const ViewPort *vp, int left, int top, int right, int bottom);
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#endif /* VIEWPORT_H */
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