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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program 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, either version 3 of the License, or
* (at your option) any later version.
* This program 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. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef NANCY_RENDEROBJECT_H
#define NANCY_RENDEROBJECT_H
#include "common/path.h"
#include "graphics/managed_surface.h"
namespace Nancy {
class NancyEngine;
class GraphicsManager;
// Loosely equivalent to the original engine's ZRenderStructs.
// A subclass of this will be automatically updated and drawn from the graphics manager,
// but initialization needs to be done manually.
class RenderObject {
friend class GraphicsManager;
public:
RenderObject(uint16 zOrder);
RenderObject(uint16 zOrder, Graphics::ManagedSurface &surface, const Common::Rect &srcBounds, const Common::Rect &destBounds);
virtual ~RenderObject();
virtual void init(); // Does not get called automatically
virtual void registerGraphics(); // Does not get called automatically
virtual void updateGraphics() {}
void moveTo(const Common::Point &position);
void moveTo(const Common::Rect &bounds);
void setVisible(bool visible);
void setTransparent(bool isTransparent);
bool isVisible() const { return _isVisible; }
// Only used by The Vampire Diaries
void grabPalette(byte *colors, uint paletteStart = 0, uint paletteSize = 256);
void setPalette(const Common::Path &paletteName, uint paletteStart = 0, uint paletteSize = 256);
void setPalette(const byte *colors, uint paletteStart = 0, uint paletteSize = 256);
bool hasMoved() const { return _previousScreenPosition != _screenPosition; }
Common::Rect getScreenPosition() const;
Common::Rect getPreviousScreenPosition() const;
// Given a screen-space rect, convert it to the _drawSurface's local space
Common::Rect convertToLocal(const Common::Rect &screen) const;
// Given a local (to the _drawSurface) space rect, convert it to screen space
Common::Rect convertToScreen(const Common::Rect &rect) const;
Common::Rect getBounds() const { return Common::Rect(_screenPosition.width(), _screenPosition.height()); }
uint16 getZOrder() const { return _z; }
Graphics::ManagedSurface _drawSurface;
protected:
// Needed for proper handling of objects inside the viewport
virtual bool isViewportRelative() const { return false; }
bool _needsRedraw;
bool _isVisible;
bool _hasMoved;
uint16 _z;
Common::Rect _previousScreenPosition;
Common::Rect _screenPosition;
};
} // End of namespace Nancy
#endif // NANCY_RENDEROBJECT_H
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