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RAS_MaterialBucket.cpp

/**
 * $Id: RAS_MaterialBucket.cpp,v 1.9 2004/11/22 11:49:35 kester Exp $
 * ***** 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 *****
 */

#include "RAS_MaterialBucket.h"

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#ifdef WIN32
#pragma warning (disable:4786)
#include <windows.h>
#endif // WIN32

#include "RAS_Polygon.h"
#include "RAS_TexVert.h"
#include "RAS_IRasterizer.h"
#include "RAS_IRenderTools.h"
#include "RAS_MeshObject.h"
#include "RAS_Deformer.h"     // __NLA



00052 KX_VertexIndex::KX_VertexIndex(int size)
{
      m_size = size;
}



void KX_VertexIndex::SetIndex(short loc,unsigned int index)
{
      m_indexarray[loc]=index;
}




bool KX_MeshSlot::Less(const KX_MeshSlot& lhs) const
{
      bool result = ((m_mesh < lhs.m_mesh ) ||
            ((m_mesh == lhs.m_mesh)&&(m_OpenGLMatrix < lhs.m_OpenGLMatrix)));
      
      return result;
}



RAS_MaterialBucket::RAS_MaterialBucket(RAS_IPolyMaterial* mat)
      :m_bModified(true)
{
      m_bScheduled=true;
      m_material = mat;
}



void RAS_MaterialBucket::SchedulePolygons(int drawingmode)
{ 
      m_bScheduled = true;
}



void RAS_MaterialBucket::ClearScheduledPolygons()
{ 
      m_bScheduled = false;
}

      

RAS_IPolyMaterial* RAS_MaterialBucket::GetPolyMaterial() const
{ 
      return m_material;
}


      
void RAS_MaterialBucket::SetMeshSlot(KX_MeshSlot& ms)
{
      m_meshSlots.insert(ms);
}



void RAS_MaterialBucket::RemoveMeshSlot(KX_MeshSlot& ms)
{
      T_MeshSlotList::iterator it = m_meshSlots.find(ms);

      if (!(it == m_meshSlots.end()))
            m_meshSlots.erase(it);
                  
}



void RAS_MaterialBucket::MarkVisibleMeshSlot(KX_MeshSlot& ms,
                                                                   bool visible,
                                                                   bool color,
                                                                   const MT_Vector4& rgbavec)
{
      T_MeshSlotList::iterator it = m_meshSlots.find(ms);
                  
      assert (!(it == m_meshSlots.end())); 
      (*it).m_bVisible = visible;
      (*it).m_bObjectColor = color;
      (*it).m_RGBAcolor= rgbavec;
}



bool RAS_MaterialBucket::IsTransparant() const
{     
      return (m_material->IsTransparant());
}



void RAS_MaterialBucket::StartFrame()
{
}



void RAS_MaterialBucket::EndFrame()
{
}

unsigned int RAS_MaterialBucket::NumMeshSlots()
{
      return m_meshSlots.size();
}

RAS_MaterialBucket::T_MeshSlotList::iterator RAS_MaterialBucket::msBegin()
{
      return m_meshSlots.begin();
}

RAS_MaterialBucket::T_MeshSlotList::iterator RAS_MaterialBucket::msEnd()
{
      return m_meshSlots.end();
}

int RAS_MaterialBucket::ActivateMaterial(const MT_Transform& cameratrans, RAS_IRasterizer* rasty,
      RAS_IRenderTools *rendertools)
{
      rendertools->SetViewMat(cameratrans);

      rasty->SetMaterial(*m_material);
      
      bool dolights = m_material->GetDrawingMode()&16;

      if ((rasty->GetDrawingMode() <= RAS_IRasterizer::KX_SOLID) || !dolights)
      {
            bool bUseLights = rendertools->ProcessLighting(-1);
      }
      else
      {
            bool bUseLights = rendertools->ProcessLighting(m_material->GetLightLayer());
      }

      return (rasty->GetDrawingMode()  < RAS_IRasterizer::KX_SOLID ?    
            1:    (m_material->UsesTriangles() ? 0 : 2));
}

void RAS_MaterialBucket::RenderMeshSlot(const MT_Transform& cameratrans, RAS_IRasterizer* rasty,
      RAS_IRenderTools* rendertools, const KX_MeshSlot &ms, int drawmode)
{
      if (!ms.m_bVisible)
            return;
      
      rendertools->SetClientObject(ms.m_clientObj);

      /* __NLA Do the deformation */
      if (ms.m_pDeformer)
      {
            ms.m_pDeformer->Apply(m_material);
      //    KX_ReInstanceShapeFromMesh(ms.m_mesh); // Recompute the physics mesh. (Can't call KX_* from RAS_)
      }
      /* End __NLA */
      
      if (rasty->GetDrawingMode() >= RAS_IRasterizer::KX_SOLID)
            ms.m_mesh->SortPolygons(cameratrans*MT_Transform(ms.m_OpenGLMatrix));

      rendertools->PushMatrix();
      rendertools->applyTransform(rasty,ms.m_OpenGLMatrix,m_material->GetDrawingMode());

      // Use the text-specific IndexPrimitives for text faces
      if (m_material->GetDrawingMode() & RAS_IRasterizer::RAS_RENDER_3DPOLYGON_TEXT)
      {
            rasty->IndexPrimitives_3DText(
                        ms.m_mesh->GetVertexCache(m_material), 
                        ms.m_mesh->GetIndexCache(m_material), 
                        drawmode,
                        m_material,
                        rendertools, // needed for textprinting on polys
                        ms.m_bObjectColor,
                        ms.m_RGBAcolor);

      }
      // Use the (slower) IndexPrimitives_Ex which can recalc face normals & such
      //    for deformed objects - eventually should be extended to recalc ALL normals
      else if (ms.m_pDeformer){
            rasty->IndexPrimitives_Ex(
                        ms.m_mesh->GetVertexCache(m_material), 
                        ms.m_mesh->GetIndexCache(m_material), 
                        drawmode,
                        m_material,
                        rendertools, // needed for textprinting on polys
                        ms.m_bObjectColor,
                        ms.m_RGBAcolor
                        );
      }
      // Use the normal IndexPrimitives
      else
      {
            rasty->IndexPrimitives(
                        ms.m_mesh->GetVertexCache(m_material), 
                        ms.m_mesh->GetIndexCache(m_material), 
                        drawmode,
                        m_material,
                        rendertools, // needed for textprinting on polys
                        ms.m_bObjectColor,
                        ms.m_RGBAcolor
                        );
      }
      
      rendertools->PopMatrix();
}

void RAS_MaterialBucket::Render(const MT_Transform& cameratrans,
                                                RAS_IRasterizer* rasty,
                                                RAS_IRenderTools* rendertools)
{
      if (m_meshSlots.begin()== m_meshSlots.end())
            return;
            
      //rendertools->SetViewMat(cameratrans);

      //rasty->SetMaterial(*m_material);
      
      if (m_meshSlots.size() >0)
      {
            rendertools->SetClientObject((*m_meshSlots.begin()).m_clientObj);
      }
      
      int drawmode = ActivateMaterial(cameratrans, rasty, rendertools);

      for (T_MeshSlotList::const_iterator it = m_meshSlots.begin();
      ! (it == m_meshSlots.end()); ++it)
      {
            RenderMeshSlot(cameratrans, rasty, rendertools, *it, drawmode);
      }
}



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