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viewport_func.h
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1 /* $Id: viewport_func.h 26900 2014-09-21 17:29:48Z rubidium $ */
2
3 /*
4 * This file is part of OpenTTD.
5 * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
6 * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
7 * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
8 */
9
12 #ifndef VIEWPORT_FUNC_H
13 #define VIEWPORT_FUNC_H
14
15 #include "gfx_type.h"
16 #include "viewport_type.h"
17 #include "window_type.h"
18 #include "tile_type.h"
19 #include "station_type.h"
20
21 static const int TILE_HEIGHT_STEP = 50;
22
23 void SetSelectionRed(bool);
24
25 void DeleteWindowViewport(Window *w);
26 void InitializeWindowViewport(Window *w, int x, int y, int width, int height, uint32 follow_flags, ZoomLevel zoom);
27 ViewPort *IsPtInWindowViewport(const Window *w, int x, int y);
28 Point GetTileBelowCursor();
29 void UpdateViewportPosition(Window *w);
30
31 void MarkAllViewportsDirty(int left, int top, int right, int bottom);
32
33 bool DoZoomInOutWindow(ZoomStateChange how, Window *w);
34 void ZoomInOrOutToCursorWindow(bool in, Window * w);
35 Point GetTileZoomCenterWindow(bool in, Window * w);
36 void HandleZoomMessage(Window *w, const ViewPort *vp, byte widget_zoom_in, byte widget_zoom_out);
37
44 static inline void MaxZoomInOut(ZoomStateChange how, Window *w)
45 {
46 while (DoZoomInOutWindow(how, w)) {};
47 }
48
49 void OffsetGroundSprite(int x, int y);
50
51 void DrawGroundSprite(SpriteID image, PaletteID pal, const SubSprite *sub = NULL, int extra_offs_x = 0, int extra_offs_y = 0);
52 void DrawGroundSpriteAt(SpriteID image, PaletteID pal, int32 x, int32 y, int z, const SubSprite *sub = NULL, int extra_offs_x = 0, int extra_offs_y = 0);
53 void AddSortableSpriteToDraw(SpriteID image, PaletteID 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);
54 void AddChildSpriteScreen(SpriteID image, PaletteID pal, int x, int y, bool transparent = false, const SubSprite *sub = NULL, bool scale = true);
55 void ViewportAddString(const DrawPixelInfo *dpi, ZoomLevel small_from, const ViewportSign *sign, StringID string_normal, StringID string_small, StringID string_small_shadow, uint64 params_1, uint64 params_2 = 0, Colours colour = INVALID_COLOUR);
56
57
58 void StartSpriteCombine();
59 void EndSpriteCombine();
60
61 bool HandleViewportClicked(const ViewPort *vp, int x, int y);
62 void SetRedErrorSquare(TileIndex tile);
63 void SetTileSelectSize(int w, int h);
64 void SetTileSelectBigSize(int ox, int oy, int sx, int sy);
65
66 void ViewportDoDraw(const ViewPort *vp, int left, int top, int right, int bottom);
67
68 bool ScrollWindowToTile(TileIndex tile, Window *w, bool instant = false);
69 bool ScrollWindowTo(int x, int y, int z, Window *w, bool instant = false);
70
71 void RebuildViewportOverlay(Window *w);
72
73 bool ScrollMainWindowToTile(TileIndex tile, bool instant = false);
74 bool ScrollMainWindowTo(int x, int y, int z = -1, bool instant = false);
75
76 void UpdateAllVirtCoords();
77
78 extern Point _tile_fract_coords;
79
80 void MarkTileDirtyByTile(TileIndex tile);
81
82 int GetRowAtTile(int viewport_y, Point tile, bool bridge_correct);
83 void MarkTileDirtyByTileOutsideMap(int x, int y);
84
85 Point GetViewportStationMiddle(const ViewPort *vp, const Station *st);
86
87 #endif /* VIEWPORT_FUNC_H */