add debug rendering

bullet/BtOgreGP.h

@@ -0,0 +1,143 @@
+/*
+ * =====================================================================================
+ *
+ *       Filename:  BtOgreGP.h
+ *
+ *    Description:  The part of BtOgre that handles information transfer from Ogre to 
+ *                  Bullet (like mesh data for making trimeshes).
+ *
+ *        Version:  1.0
+ *        Created:  27/12/2008 03:29:56 AM
+ *
+ *         Author:  Nikhilesh (nikki)
+ *
+ * =====================================================================================
+ */
+
+#ifndef _BtOgrePG_H_
+#define _BtOgrePG_H_
+
+#include "btBulletDynamicsCommon.h"
+#include "BtOgreExtras.h"
+#include "Ogre.h"
+
+namespace BtOgre {
+
+typedef std::map<unsigned char, Vector3Array*> BoneIndex;
+typedef std::pair<unsigned short, Vector3Array*> BoneKeyIndex;
+
+class VertexIndexToShape
+{
+public:
+	VertexIndexToShape(const Ogre::Matrix4 &transform = Ogre::Matrix4::IDENTITY);
+	~VertexIndexToShape();
+
+	Ogre::Real getRadius();
+	Ogre::Vector3 getSize();
+
+
+	btSphereShape* createSphere();
+	btBoxShape* createBox();
+	btBvhTriangleMeshShape* createTrimesh();
+	btCylinderShape* createCylinder();
+	btConvexHullShape* createConvex();
+
+	const Ogre::Vector3* getVertices();
+	unsigned int getVertexCount();
+	const unsigned int* getIndices();
+	unsigned int getIndexCount();
+
+protected:
+
+	void addStaticVertexData(const Ogre::VertexData *vertex_data);
+
+	void addAnimatedVertexData(const Ogre::VertexData *vertex_data, 
+		const Ogre::VertexData *blended_data, 
+		const Ogre::Mesh::IndexMap *indexMap);
+
+	void addIndexData(Ogre::IndexData *data, const unsigned int offset = 0);
+
+
+protected:
+	Ogre::Vector3*	    mVertexBuffer;
+	unsigned int*       mIndexBuffer;
+	unsigned int        mVertexCount;
+	unsigned int        mIndexCount;
+
+	Ogre::Matrix4		mTransform;
+
+	Ogre::Real		    mBoundRadius;
+	Ogre::Vector3		mBounds;
+
+	BoneIndex           *mBoneIndex;
+
+	Ogre::Vector3		mScale;
+};
+
+//For static (non-animated) meshes.
+class StaticMeshToShapeConverter : public VertexIndexToShape
+{
+public:
+
+	StaticMeshToShapeConverter(Ogre::Renderable *rend, const Ogre::Matrix4 &transform = Ogre::Matrix4::IDENTITY);
+	StaticMeshToShapeConverter(Ogre::Entity *entity,   const Ogre::Matrix4 &transform = Ogre::Matrix4::IDENTITY);
+	StaticMeshToShapeConverter();
+
+	~StaticMeshToShapeConverter();
+
+	void addEntity(Ogre::Entity *entity,const Ogre::Matrix4 &transform = Ogre::Matrix4::IDENTITY);
+	
+	void addMesh(const Ogre::MeshPtr &mesh, const Ogre::Matrix4 &transform = Ogre::Matrix4::IDENTITY);
+
+
+protected:
+
+	Ogre::Entity*		mEntity;
+	Ogre::SceneNode*	mNode;
+};
+
+//For animated meshes.
+class AnimatedMeshToShapeConverter : public VertexIndexToShape
+{
+public:
+
+	AnimatedMeshToShapeConverter(Ogre::Entity *entity, const Ogre::Matrix4 &transform = Ogre::Matrix4::IDENTITY);
+	AnimatedMeshToShapeConverter();
+	~AnimatedMeshToShapeConverter();
+
+	void addEntity(Ogre::Entity *entity,const Ogre::Matrix4 &transform = Ogre::Matrix4::IDENTITY);
+	void addMesh(const Ogre::MeshPtr &mesh, const Ogre::Matrix4 &transform);
+
+	btBoxShape* createAlignedBox(unsigned char bone, 
+		const Ogre::Vector3 &bonePosition,
+		const Ogre::Quaternion &boneOrientation);
+
+	btBoxShape* createOrientedBox(unsigned char bone, 
+		const Ogre::Vector3 &bonePosition,
+		const Ogre::Quaternion &boneOrientation);
+
+protected:
+
+	bool getBoneVertices(unsigned char bone, 
+		unsigned int &vertex_count, 
+		Ogre::Vector3* &vertices,
+		const Ogre::Vector3 &bonePosition);
+
+	bool getOrientedBox(unsigned char bone, 
+		const Ogre::Vector3 &bonePosition,
+		const Ogre::Quaternion &boneOrientation,
+		Ogre::Vector3 &extents,
+		Ogre::Vector3 *axis,
+		Ogre::Vector3 &center);
+
+	
+	Ogre::Entity*		mEntity;
+	Ogre::SceneNode*	mNode;
+
+	Ogre::Vector3       *mTransformedVerticesTemp;
+	size_t               mTransformedVerticesTempSize;
+};
+
+}
+
+#endif