Method prepRenderImage

Engine/source/environment/meshRoad.cpp:812–882

}

void MeshRoad::prepRenderImage( SceneRenderState* state )
{
   if ( mNodes.size() <= 1 )
      return;

   RenderPassManager *renderPass = state->getRenderPass();
	
   // Normal Road RenderInstance
   // Always rendered when the editor is not open
   // otherwise obey the smShowRoad flag
   if ( smShowRoad || !smEditorOpen )
   {
      MeshRenderInst coreRI;
      coreRI.clear();
      coreRI.objectToWorld = &MatrixF::Identity;
      coreRI.worldToCamera = renderPass->allocSharedXform(RenderPassManager::View);
      coreRI.projection = renderPass->allocSharedXform(RenderPassManager::Projection);
      coreRI.type = RenderPassManager::RIT_Mesh;      
		
      BaseMatInstance *matInst;
      for ( U32 i = 0; i < SurfaceCount; i++ )
      {             
         matInst = state->getOverrideMaterial( mMatInst[i] );   
         if ( !matInst )
            continue;

         // Get the lights if we haven't already.
         if ( matInst->isForwardLit() && !coreRI.lights[0] )
         {
            LightQuery query;
            query.init( getWorldSphere() );
	         query.getLights( coreRI.lights, 8 );
         }

         MeshRenderInst *ri = renderPass->allocInst<MeshRenderInst>();
         *ri = coreRI;

         // Currently rendering whole road, fix to cull and batch
         // per segment.

         // Set the correct material for rendering.
         ri->matInst = matInst;
         ri->vertBuff = &mVB[i];
         ri->primBuff = &mPB[i];

         ri->prim = renderPass->allocPrim();
         ri->prim->type = GFXTriangleList;
         ri->prim->minIndex = 0;
         ri->prim->startIndex = 0;
         ri->prim->numPrimitives = mTriangleCount[i];
         ri->prim->startVertex = 0;
         ri->prim->numVertices = mVertCount[i];

         // We sort by the material then vertex buffer.
         ri->defaultKey = matInst->getStateHint();
         ri->defaultKey2 = (uintptr_t)ri->vertBuff; // Not 64bit safe!

         renderPass->addInst( ri );