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/**
* $Id$
*
* ***** BEGIN GPL 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.
*
* 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 LICENSE BLOCK *****
*/
#ifndef __RAS_MATERIALBUCKET
#define __RAS_MATERIALBUCKET
#include "RAS_TexVert.h"
#include "GEN_Map.h"
#include "STR_HashedString.h"
#include "MT_Transform.h"
#include "RAS_IPolygonMaterial.h"
#include "RAS_IRasterizer.h"
#include "RAS_Deformer.h"
#include <vector>
#include <set>
#include <list>
using namespace std;
/* Display List Slot */
class KX_ListSlot
{
protected:
int m_refcount;
public:
KX_ListSlot(){ m_refcount=1; }
virtual ~KX_ListSlot() {}
virtual int Release() {
if (--m_refcount > 0)
return m_refcount;
delete this;
return 0;
}
virtual KX_ListSlot* AddRef() {
m_refcount++;
return this;
}
virtual void SetModified(bool mod)=0;
};
class RAS_DisplayArray;
class RAS_MeshSlot;
class RAS_MeshMaterial;
class RAS_MaterialBucket;
/* An array with data used for OpenGL drawing */
class RAS_DisplayArray
{
public:
vector<RAS_TexVert> m_vertex;
vector<unsigned short> m_index;
enum { LINE = 2, TRIANGLE = 3, QUAD = 4 } m_type;
//RAS_MeshSlot *m_origSlot;
int m_users;
enum { BUCKET_MAX_INDEX = 65535 };
enum { BUCKET_MAX_VERTEX = 65535 };
};
/* Entry of a RAS_MeshObject into RAS_MaterialBucket */
class RAS_MeshSlot
{
private:
// indices into display arrays
int m_startarray;
int m_endarray;
int m_startindex;
int m_endindex;
int m_startvertex;
int m_endvertex;
vector<RAS_DisplayArray*> m_displayArrays;
// for construction only
RAS_DisplayArray* m_currentArray;
public:
// for rendering
RAS_MaterialBucket* m_bucket;
RAS_MeshObject* m_mesh;
void* m_clientObj;
RAS_Deformer* m_pDeformer;
double* m_OpenGLMatrix;
// visibility
bool m_bVisible;
bool m_bCulled;
// object color
bool m_bObjectColor;
MT_Vector4 m_RGBAcolor;
// display lists
KX_ListSlot* m_DisplayList;
bool m_bDisplayList;
// joined mesh slots
RAS_MeshSlot* m_joinSlot;
MT_Matrix4x4 m_joinInvTransform;
list<RAS_MeshSlot*> m_joinedSlots;
RAS_MeshSlot();
RAS_MeshSlot(const RAS_MeshSlot& slot);
virtual ~RAS_MeshSlot();
void init(RAS_MaterialBucket *bucket, int numverts);
struct iterator {
RAS_DisplayArray *array;
RAS_TexVert *vertex;
unsigned short *index;
size_t startvertex;
size_t endvertex;
size_t totindex;
size_t arraynum;
};
void begin(iterator& it);
void next(iterator& it);
bool end(iterator& it);
/* used during construction */
void SetDisplayArray(int numverts);
RAS_DisplayArray *CurrentDisplayArray();
void AddPolygon(int numverts);
int AddVertex(const RAS_TexVert& tv);
void AddPolygonVertex(int offset);
/* optimization */
bool Split(bool force=false);
bool Join(RAS_MeshSlot *target, MT_Scalar distance);
bool Equals(RAS_MeshSlot *target);
bool IsCulled();
};
/* Used by RAS_MeshObject, to point to it's slots in a bucket */
class RAS_MeshMaterial
{
public:
RAS_MeshSlot *m_baseslot;
class RAS_MaterialBucket *m_bucket;
GEN_Map<GEN_HashedPtr,RAS_MeshSlot*> m_slots;
};
/* Contains a list of display arrays with the same material,
* and a mesh slot for each mesh that uses display arrays in
* this bucket */
class RAS_MaterialBucket
{
public:
RAS_MaterialBucket(RAS_IPolyMaterial* mat);
virtual ~RAS_MaterialBucket();
/* Bucket Sorting */
struct less;
typedef set<RAS_MaterialBucket*, less> Set;
/* Material Properties */
RAS_IPolyMaterial* GetPolyMaterial() const;
bool IsAlpha() const;
bool IsZSort() const;
/* Rendering */
bool ActivateMaterial(const MT_Transform& cameratrans, RAS_IRasterizer* rasty,
RAS_IRenderTools *rendertools);
void RenderMeshSlot(const MT_Transform& cameratrans, RAS_IRasterizer* rasty,
RAS_IRenderTools* rendertools, RAS_MeshSlot &ms);
/* Mesh Slot Access */
list<RAS_MeshSlot>::iterator msBegin();
list<RAS_MeshSlot>::iterator msEnd();
class RAS_MeshSlot* AddMesh(int numverts);
class RAS_MeshSlot* CopyMesh(class RAS_MeshSlot *ms);
void RemoveMesh(class RAS_MeshSlot* ms);
void Optimize(MT_Scalar distance);
private:
list<RAS_MeshSlot> m_meshSlots;
RAS_IPolyMaterial* m_material;
};
#endif //__RAS_MATERIAL_BUCKET
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