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https://github.com/JGRennison/OpenTTD-patches.git
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80 lines
3.5 KiB
C
80 lines
3.5 KiB
C
/* $Id$ */
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/*
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* This file is part of OpenTTD.
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* 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.
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* 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.
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* 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/>.
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*/
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/** @file viewport_func.h Functions related to (drawing on) viewports. */
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#ifndef VIEWPORT_FUNC_H
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#define VIEWPORT_FUNC_H
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#include "gfx_type.h"
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#include "viewport_type.h"
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#include "window_type.h"
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#include "tile_type.h"
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static const int TILE_HEIGHT_STEP = 50; ///< One Z unit tile height difference is displayed as 50m.
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void SetSelectionRed(bool);
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void DeleteWindowViewport(Window *w);
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void InitializeWindowViewport(Window *w, int x, int y, 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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void MarkAllViewportsDirty(int left, int top, int right, int bottom);
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bool DoZoomInOutWindow(ZoomStateChange 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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/**
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* Zoom a viewport as far as possible in the given direction.
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* @param how Zooming direction.
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* @param w Window owning the viewport.
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* @pre \a how should not be #ZOOM_NONE.
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*/
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static inline void MaxZoomInOut(ZoomStateChange how, Window *w)
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{
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while (DoZoomInOutWindow(how, w)) {};
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}
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void OffsetGroundSprite(int x, int y);
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void DrawGroundSprite(SpriteID image, PaletteID pal, const SubSprite *sub = NULL, int extra_offs_x = 0, int extra_offs_y = 0);
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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);
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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);
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void AddChildSpriteScreen(SpriteID image, PaletteID pal, int x, int y, bool transparent = false, const SubSprite *sub = NULL, bool scale = true);
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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);
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void StartSpriteCombine();
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void EndSpriteCombine();
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bool HandleViewportClicked(const ViewPort *vp, int x, int y);
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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 ViewportDoDraw(const ViewPort *vp, int left, int top, int right, int bottom);
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bool ScrollWindowToTile(TileIndex tile, Window *w, bool instant = false);
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bool ScrollWindowTo(int x, int y, int z, 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, int z = -1, bool instant = false);
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void UpdateAllVirtCoords();
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extern Point _tile_fract_coords;
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void MarkTileDirtyByTile(TileIndex tile);
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#endif /* VIEWPORT_FUNC_H */
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