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engines/hpl1/engine/physics/CollideShape.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_COLLIDE_SHAPE_H
+#define HPL_COLLIDE_SHAPE_H
+
+#include "hpl1/engine/math/BoundingVolume.h"
+#include "hpl1/engine/math/MathTypes.h"
+
+namespace hpl {
+
+enum eCollideShapeType {
+	eCollideShapeType_Null,
+	eCollideShapeType_Box,
+	eCollideShapeType_Sphere,
+	eCollideShapeType_Cylinder,
+	eCollideShapeType_Capsule,
+	eCollideShapeType_ConvexHull,
+	eCollideShapeType_Mesh,
+	eCollideShapeType_Compound,
+	eCollideShapeType_LastEnum
+};
+
+class iPhysicsWorld;
+
+class iCollideShape {
+public:
+	iCollideShape(iPhysicsWorld *apWorld) : mlUserCount(0), mpWorld(apWorld) {}
+	virtual ~iCollideShape() {}
+
+	virtual iCollideShape *GetSubShape(int alIdx) = 0;
+	virtual int GetSubShapeNum() = 0;
+
+	cVector3f GetSize() { return mvSize; }
+
+	float GetRadius() { return mvSize.x; }
+	float GetHeight() { return mvSize.y; }
+	float GetWidth() { return mvSize.x; }
+	float GetDepth() { return mvSize.z; }
+
+	const cMatrixf &GetOffset() { return m_mtxOffset; }
+
+	eCollideShapeType GetType() { return mType; }
+
+	void IncUserCount() { mlUserCount++; }
+	void DecUserCount() { mlUserCount--; }
+
+	bool HasUsers() { return mlUserCount > 0; }
+	int GetUserCount() { return mlUserCount; }
+
+	float GetVolume() { return mfVolume; }
+
+	cBoundingVolume &GetBoundingVolume() { return mBoundingVolume; }
+
+protected:
+	cVector3f mvSize;
+	eCollideShapeType mType;
+	cMatrixf m_mtxOffset;
+
+	int mlUserCount;
+
+	iPhysicsWorld *mpWorld;
+	float mfVolume;
+
+	cBoundingVolume mBoundingVolume;
+};
+
+} // namespace hpl
+
+#endif // HPL_COLLIDE_SHAPE_H