author | belugas |
Tue, 01 Jan 2008 14:20:48 +0000 | |
changeset 8667 | c916a5375166 |
parent 8634 | 5ffca02f9115 |
permissions | -rw-r--r-- |
2186 | 1 |
/* $Id$ */ |
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/** @file viewport.h */ |
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#ifndef VIEWPORT_H |
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#define VIEWPORT_H |
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#include "zoom_type.h" |
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#include "window_type.h" |
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#include "vehicle_type.h" |
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#include "gfx_func.h" |
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#include "gui.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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ZoomLevel zoom; |
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}; |
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void SetSelectionRed(bool); |
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/* viewport.cpp */ |
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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, |
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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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enum { |
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ZOOM_IN = 0, |
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ZOOM_OUT = 1, |
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ZOOM_NONE = 2, // hack, used to update the button status |
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}; |
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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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/** |
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* Some values for constructing bounding boxes (BB). The Z positions under bridges are: |
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* z=0..5 Everything that can be built under low bridges. |
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* z=6 reserved, currently unused. |
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* z=7 Z separator between bridge/tunnel and the things under/above it. |
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*/ |
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enum { |
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BB_HEIGHT_UNDER_BRIDGE = 6, ///< Everything that can be built under low bridges, must not exceed this Z height. |
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BB_Z_SEPARATOR = 7, ///< Separates the bridge/tunnel from the things under/above it. |
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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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/** Viewport place method (type of highlighted area and placed objects) */ |
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enum ViewportPlaceMethod { |
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VPM_X_OR_Y = 0, ///< drag in X or Y direction |
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VPM_FIX_X = 1, ///< drag only in X axis |
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VPM_FIX_Y = 2, ///< drag only in Y axis |
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VPM_RAILDIRS = 3, ///< all rail directions |
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VPM_X_AND_Y = 4, ///< area of land in X and Y directions |
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VPM_X_AND_Y_LIMITED = 5, ///< area of land of limited size |
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VPM_SIGNALDIRS = 6, ///< similiar to VMP_RAILDIRS, but with different cursor |
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}; |
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/** Viewport highlight mode (for highlighting tiles below cursor) */ |
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enum ViewportHighlightMode { |
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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, 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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/* 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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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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ViewportHighlightMode 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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ViewportPlaceMethod select_method; |
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byte select_proc; |
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TileIndex redsq; |
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}; |
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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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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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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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#endif /* VIEWPORT_H */ |