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engines/hpl1/engine/graphics/GraphicsDrawer.h

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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/>.
+ *
+ */
+
+/*
+ * Copyright (C) 2006-2010 - Frictional Games
+ *
+ * This file is part of HPL1 Engine.
+ */
+
+#ifndef HPL_GRAPHICSDRAWER_H
+#define HPL_GRAPHICSDRAWER_H
+
+#include "common/array.h"
+#include "common/list.h"
+#include "hpl1/engine/graphics/BackgroundImage.h"
+#include "hpl1/engine/graphics/GraphicsTypes.h"
+#include "hpl1/std/multiset.h"
+
+namespace hpl {
+
+class iLowLevelGraphics;
+class cResourceImage;
+class cGfxObject;
+class cMaterialHandler;
+class iMaterial;
+
+class cGfxBufferObject {
+public:
+	cGfxObject *mpObject;
+	cVector3f mvTransform;
+
+	bool mbIsColorAndSize;
+	cColor mColor;
+	cVector2f mvSize;
+	bool mbFlipH = false;
+	bool mbFlipV = false;
+	float mfAngle = 0;
+
+	iMaterial *GetMaterial() const;
+	float GetZ() const { return mvTransform.z; }
+};
+
+typedef Common::Array<cGfxObject> tGfxObjectVec;
+typedef tGfxObjectVec::iterator tGfxObjectVecIt;
+
+class cGfxBufferCompare {
+public:
+	bool operator()(const cGfxBufferObject &aObjectA, const cGfxBufferObject &aObjectB) const;
+};
+
+typedef Hpl1::Std::multiset<cGfxBufferObject, cGfxBufferCompare> tGfxBufferSet;
+typedef tGfxBufferSet::iterator tGfxBufferSetIt;
+
+class cResources;
+
+typedef Common::List<cGfxObject *> tGfxObjectList;
+typedef tGfxObjectList::iterator tGfxObjectListIt;
+
+class cGraphicsDrawer {
+public:
+	cGraphicsDrawer(iLowLevelGraphics *apLowLevelGraphics, cMaterialHandler *apMaterialHandler,
+					cResources *apResources);
+	~cGraphicsDrawer();
+
+	/**
+	 * Draw Gfx object during next DrawAll call.
+	 * \param apObject
+	 * \param avPos
+	 */
+	void DrawGfxObject(cGfxObject *apObject, const cVector3f &avPos);
+
+	/**
+	 * Draw Gfx object during next DrawAll call.
+	 * \param apObject
+	 * \param avPos
+	 * \param avSize Size of object
+	 * \param aColor color to use
+	 * \param abFlipH Flip image horisontally
+	 * \param abFlipV Flip image verically
+	 */
+	void DrawGfxObject(cGfxObject *apObject, const cVector3f &avPos,
+					   const cVector2f &avSize, const cColor &aColor,
+					   bool abFlipH = false, bool abFlipV = false, float afAngle = 0);
+
+	/**
+	 * Draw all gfx obejcts, Called after world is rendered by cScene.
+	 */
+	void DrawAll();
+
+	/**
+	 * Create Gfx object from file
+	 * \param &asFileName Filename of image
+	 * \param &asMaterialName material to use
+	 * \param abAddToList if the engine should delete object at exit, this means DestroyGfxObject must be used. Should almost always be true.
+	 * \return
+	 */
+	cGfxObject *CreateGfxObject(const tString &asFileName, const tString &asMaterialName,
+								bool abAddToList = true);
+	/**
+	 * Create gfx object from Bitmap
+	 * \param *apBmp bitmap
+	 * \param &asMaterialName material to use
+	 * \param abAddToList if the engine should delete object at exit, this means DestroyGfxObject must be used. Should almost always be true.
+	 * \return
+	 */
+	cGfxObject *CreateGfxObject(Bitmap2D *apBmp, const tString &asMaterialName,
+								bool abAddToList = true);
+
+	cGfxObject *CreateGfxObjectFromTexture(const tString &asFileName, const tString &asMaterialName,
+										   bool abAddToList = true);
+	/**
+	 * Destroys a gfx object.
+	 */
+	void DestroyGfxObject(cGfxObject *apObject);
+
+	cBackgroundImage *AddBackgroundImage(const tString &asFileName, const tString &asMaterialName,
+										 const cVector3f &avPos, bool abTile,
+										 const cVector2f &avSize, const cVector2f &avPosPercent, const cVector2f &avVel);
+
+	void UpdateBackgrounds();
+	void DrawBackgrounds(const cRect2f &aCollideRect);
+	void ClearBackgrounds();
+
+private:
+	iLowLevelGraphics *mpLowLevelGraphics;
+	cMaterialHandler *mpMaterialHandler;
+	cResources *mpResources;
+
+	tGfxBufferSet m_setGfxBuffer;
+
+	tGfxObjectList mlstGfxObjects;
+
+	tBackgroundImageMap m_mapBackgroundImages;
+};
+
+} // namespace hpl
+
+#endif // HPL_GRAPHICSDRAWER_H