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engines/hpl1/engine/impl/PhysicsBodyNewton.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_PHYSICS_BODY_NEWTON_H
+#define HPL_PHYSICS_BODY_NEWTON_H
+
+#include "hpl1/engine/libraries/newton/Newton.h"
+
+#include "hpl1/engine/physics/PhysicsBody.h"
+
+namespace hpl {
+
+class cPhysicsBodyNewtonCallback : public iEntityCallback {
+	void OnTransformUpdate(iEntity3D *apEntity);
+};
+
+class cPhysicsBodyNewton : public iPhysicsBody {
+	friend class cPhysicsBodyNewtonCallback;
+
+public:
+	cPhysicsBodyNewton(const tString &asName, iPhysicsWorld *apWorld, iCollideShape *apShape);
+	~cPhysicsBodyNewton();
+
+	void SetMaterial(iPhysicsMaterial *apMaterial);
+
+	void SetLinearVelocity(const cVector3f &avVel);
+	cVector3f GetLinearVelocity() const;
+	void SetAngularVelocity(const cVector3f &avVel);
+	cVector3f GetAngularVelocity() const;
+	void SetLinearDamping(float afDamping);
+	float GetLinearDamping() const;
+	void SetAngularDamping(float afDamping);
+	float GetAngularDamping() const;
+	void SetMaxLinearSpeed(float afSpeed);
+	float GetMaxLinearSpeed() const;
+	void SetMaxAngularSpeed(float afDamping);
+	float GetMaxAngularSpeed() const;
+	cMatrixf GetInertiaMatrix();
+
+	void SetMass(float afMass);
+	float GetMass() const;
+	void SetMassCentre(const cVector3f &avCentre);
+	cVector3f GetMassCentre() const;
+
+	void AddForce(const cVector3f &avForce);
+	void AddForceAtPosition(const cVector3f &avForce, const cVector3f &avPos);
+	void AddTorque(const cVector3f &avTorque);
+	void AddImpulse(const cVector3f &avImpulse);
+	void AddImpulseAtPosition(const cVector3f &avImpulse, const cVector3f &avPos);
+
+	void SetEnabled(bool abEnabled);
+	bool GetEnabled() const;
+	void SetAutoDisable(bool abEnabled);
+	bool GetAutoDisable() const;
+#if 0
+	void SetAutoDisableLinearThreshold(float afThresold);
+	float GetAutoDisableLinearThreshold() const;
+	void SetAutoDisableAngularThreshold(float afThresold);
+	float GetAutoDisableAngularThreshold() const;
+	void SetAutoDisableNumSteps(int alNum);
+	int GetAutoDisableNumSteps() const;
+#endif
+	void SetContinuousCollision(bool abOn);
+	bool GetContinuousCollision();
+
+	void SetGravity(bool abEnabled);
+	bool GetGravity() const;
+
+	void RenderDebugGeometry(iLowLevelGraphics *apLowLevel, const cColor &aColor);
+
+	NewtonBody *GetNewtonBody() { return mpNewtonBody; }
+
+	void ClearForces();
+
+	void DeleteLowLevel();
+
+	static void SetUseCallback(bool abX) { mbUseCallback = abX; }
+
+private:
+	static int BuoyancyPlaneCallback(const int32 alCollisionID, void *apContext,
+									 const float *afGlobalSpaceMatrix, float *afGlobalSpacePlane);
+	static void OnTransformCallback(const NewtonBody *apBody, const dFloat *apMatrix, int32);
+	static void OnUpdateCallback(NewtonBody *apBody, float, int32);
+
+	NewtonBody *mpNewtonBody;
+	NewtonWorld *mpNewtonWorld;
+
+	cPhysicsBodyNewtonCallback *mpCallback;
+
+	static bool mbUseCallback;
+
+	// Properties
+	bool mbGravity;
+
+	float mfMaxLinearSpeed;
+	float mfMaxAngularSpeed;
+	float mfMass;
+
+	float mfAutoDisableLinearThreshold;
+	float mfAutoDisableAngularThreshold;
+	int mlAutoDisableNumSteps;
+
+	// Forces that will be set and clear on update callback
+	cVector3f mvTotalForce;
+	cVector3f mvTotalTorque;
+};
+
+} // namespace hpl
+
+#endif // HPL_PHYSICS_BODY_NEWTON_H