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72 lines
2.2 KiB
C++
72 lines
2.2 KiB
C++
/*
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* CTerrainRect.h, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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#pragma once
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#include "../gui/CIntObject.h"
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#include "../../lib/int3.h"
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VCMI_LIB_NAMESPACE_BEGIN
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struct CGPath;
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VCMI_LIB_NAMESPACE_END
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enum class EMapAnimRedrawStatus;
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class CFadeAnimation;
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/// Holds information about which tiles of the terrain are shown/not shown at the screen
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class CTerrainRect : public CIntObject
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{
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SDL_Surface * fadeSurface;
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EMapAnimRedrawStatus lastRedrawStatus;
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std::shared_ptr<CFadeAnimation> fadeAnim;
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int3 swipeInitialMapPos;
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Point swipeInitialRealPos;
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bool isSwiping;
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static constexpr float SwipeTouchSlop = 16.0f;
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void handleHover(const Point & cursorPosition);
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void handleSwipeMove(const Point & cursorPosition);
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/// handles start/finish of swipe (press/release of corresponding button); returns true if state change was handled
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bool handleSwipeStateChange(bool btnPressed);
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int3 curHoveredTile;
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int3 whichTileIsIt(const int x, const int y); //x,y are cursor position
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int3 whichTileIsIt(); //uses current cursor pos
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void showPath(const Rect &extRect, SDL_Surface * to);
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bool needsAnimUpdate();
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public:
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int tilesw, tilesh; //width and height of terrain to blit in tiles
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int moveX, moveY; //shift between actual position of screen and the one we wil blit; ranges from -31 to 31 (in pixels)
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CGPath * currentPath;
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CTerrainRect();
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~CTerrainRect();
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// CIntObject interface implementation
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void deactivate() override;
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void clickLeft(tribool down, bool previousState) override;
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void clickRight(tribool down, bool previousState) override;
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void clickMiddle(tribool down, bool previousState) override;
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void hover(bool on) override;
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void mouseMoved (const Point & cursorPosition) override;
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void show(SDL_Surface * to) override;
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void showAll(SDL_Surface * to) override;
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void showAnim(SDL_Surface * to);
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/// @returns number of visible tiles on screen respecting current map scaling
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Rect visibleTilesArea();
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/// animates view by caching current surface and crossfading it with normal screen
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void fadeFromCurrentView();
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};
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