Initial revision

source/gameengine/Rasterizer/RAS_MeshObject.h

@@ -0,0 +1,230 @@
+/**
+ * $Id$
+ *
+ * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
+ *
+ * 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 2
+ * of the License, or (at your option) any later version. The Blender
+ * Foundation also sells licenses for use in proprietary software under
+ * the Blender License.  See http://www.blender.org/BL/ for information
+ * about this.
+ *
+ * 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, write to the Free Software Foundation,
+ * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): none yet.
+ *
+ * ***** END GPL/BL DUAL LICENSE BLOCK *****
+ */
+#ifndef __RAS_MESHOBJECT
+#define __RAS_MESHOBJECT
+
+
+#ifdef WIN32
+// disable the STL warnings ("debug information length > 255")
+#pragma warning (disable:4786)
+#endif
+
+#include <vector>
+#include <set>
+
+#include "RAS_Polygon.h"
+#include "MT_Transform.h"
+
+#include "GEN_HashedPtr.h"
+
+class KX_ArrayOptimizer
+{
+public:
+	KX_ArrayOptimizer(int index) 
+		: m_index1(index)
+	{};
+	virtual ~KX_ArrayOptimizer();
+	
+	vector<KX_VertexArray*>		m_VertexArrayCache1;
+	vector<int>					m_TriangleArrayCount;
+	vector<KX_IndexArray*>		m_IndexArrayCache1;
+
+	/**
+		order in which they are stored into the mesh
+	*/
+	int							m_index1;
+};
+
+struct	RAS_TriangleIndex
+{
+public:
+	int		m_index[3];
+	bool	m_collider;
+};
+
+class	RAS_MatArrayIndex
+{
+public:
+
+	int	m_arrayindex1;
+	int	m_matid;
+	int	m_array;
+	int	m_index;
+
+	inline bool	Less(const RAS_MatArrayIndex& lhs) const {
+		bool result = 
+			(	(m_matid < lhs.m_matid)		||
+				((m_matid == lhs.m_matid)&&(m_array < lhs.m_array)) ||
+				((m_matid == lhs.m_matid) && (m_array == lhs.m_array) &&
+				(m_index < lhs.m_index))
+					
+			);
+		return result;
+			
+	}
+
+	
+};
+inline  bool operator <( const RAS_MatArrayIndex& rhs,const RAS_MatArrayIndex& lhs)
+{
+	return ( rhs.Less(lhs));
+}
+
+
+class RAS_MeshObject
+{
+	
+	enum { BUCKET_MAX_INDICES = 2048 };//2048};//8192};
+	enum { BUCKET_MAX_TRIANGLES = 1024 };
+	
+	//	GEN_Map<class RAS_IPolyMaterial,KX_ArrayOptimizer*> m_matVertexArrayS;
+	//vector<class RAS_IPolyMaterial*,KX_ArrayOptimizer> m_vertexArrays;
+	virtual KX_ArrayOptimizer* GetArrayOptimizer(RAS_IPolyMaterial* polymat);
+	//vector<RAS_Polygon*>		m_polygons;
+	
+	unsigned int				m_debugcolor;
+	bool						m_bModified;
+	int							m_lightlayer;
+	
+	vector<class RAS_Polygon*> 	m_Polygons;
+	STR_String					m_name;
+	static STR_String			s_emptyname;
+	
+protected:
+	GEN_Map<class RAS_IPolyMaterial,KX_ArrayOptimizer*> m_matVertexArrayS;
+	typedef set<class RAS_MaterialBucket*> BucketMaterialSet;
+	
+	BucketMaterialSet			m_materials;
+public:
+	// for now, meshes need to be in a certain layer (to avoid sorting on lights in realtime)
+	RAS_MeshObject(int lightlayer);
+	virtual ~RAS_MeshObject();
+
+	vector<RAS_IPolyMaterial*>				m_sortedMaterials;
+	vector<vector<RAS_MatArrayIndex> >		m_xyz_index_to_vertex_index_mapping;
+	vector<RAS_TriangleIndex >				m_triangle_indices;
+
+	int					GetLightLayer();
+	int					NumMaterials();
+	const STR_String&	GetMaterialName(int matid);
+	RAS_MaterialBucket*	GetMaterialBucket(int matid);
+	const STR_String&	GetTextureName(int matid);
+	virtual void		AddPolygon(RAS_Polygon* poly);
+	void				UpdateMaterialList();
+	
+	int					NumPolygons();
+	RAS_Polygon*		GetPolygon(int num);
+	
+	virtual void		Bucketize(
+							double* oglmatrix,
+							void* clientobj,
+							bool useObjectColor,
+							const MT_Vector4& rgbavec
+						);
+
+	void				RemoveFromBuckets(
+							double* oglmatrix,
+							void* clientobj
+						);
+
+	void				MarkVisible(
+							double* oglmatrix,
+							void* clientobj,
+							bool visible,
+							bool useObjectColor,
+							const MT_Vector4& rgbavec
+						);
+
+	void				DebugColor(unsigned int abgr);
+	
+	void				SchedulePolygons(
+							int drawingmode,
+							class RAS_IRasterizer* rasty
+						);
+
+	void				ClearArrayData();
+	
+	set<RAS_MaterialBucket*>::iterator GetFirstMaterial();
+	set<RAS_MaterialBucket*>::iterator GetLastMaterial();
+	
+	virtual RAS_TexVert*	GetVertex(
+								short array,
+								short index,
+								RAS_IPolyMaterial* polymat
+							);
+	
+	virtual int			FindVertexArray(
+							int numverts,
+							RAS_IPolyMaterial* polymat
+						);
+	
+	void				SchedulePoly(
+							const KX_VertexIndex& idx,
+							int numverts,
+							RAS_IPolyMaterial* mat
+						);
+
+	void				ScheduleWireframePoly(
+							const KX_VertexIndex& idx,
+							int numverts,
+							int edgecode,
+							RAS_IPolyMaterial* mat
+						);
+	
+	// find (and share) or add vertices
+	// for some speedup, only the last 20 added vertices are searched for equality
+	
+	virtual int			FindOrAddVertex(
+							int vtxarray,
+							const MT_Point3& xyz,
+							const MT_Point2& uv,
+							const unsigned int rgbacolor,
+							const MT_Vector3& normal,
+							RAS_IPolyMaterial* mat,
+							int orgindex
+						);
+	
+	const vecVertexArray&	GetVertexCache (RAS_IPolyMaterial* mat);
+	
+	int					GetVertexArrayLength(RAS_IPolyMaterial* mat);
+
+	RAS_TexVert*		GetVertex(
+							int matid,
+							int index
+						);
+
+	const vecIndexArrays& GetIndexCache (RAS_IPolyMaterial* mat);
+	void				SetName(STR_String name);
+	const STR_String&	GetName();
+};
+
+#endif //__RAS_MESHOBJECT