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#include "model_renderer_d3d9.h"
#include <cassert>
#include "graphics_interface.h"
#include "context_d3d9.h"
#include "texture_d3d9.h"
#include "interpolation.h"
#include "d3d9_util.h"
#include "leak_dumper.h"
namespace Shared{ namespace Graphics{ namespace D3d9{
// ===============================================
// class ModelRendererD3d9
// ===============================================
D3DVERTEXELEMENT9 d3dVertexElementsPNT[]=
{
{0, 0, D3DDECLTYPE_FLOAT3, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_POSITION, 0},
{0, 12, D3DDECLTYPE_FLOAT3, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_NORMAL, 0},
{0, 24, D3DDECLTYPE_FLOAT2, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_TEXCOORD, 0},
D3DDECL_END()
};
D3DVERTEXELEMENT9 d3dVertexElementsPNTT[]=
{
{0, 0, D3DDECLTYPE_FLOAT3, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_POSITION, 0},
{0, 12, D3DDECLTYPE_FLOAT3, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_NORMAL, 0},
{0, 24, D3DDECLTYPE_FLOAT2, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_TEXCOORD, 0},
{0, 32, D3DDECLTYPE_FLOAT3, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_TANGENT, 0},
D3DDECL_END()
};
ModelRendererD3d9::ModelRendererD3d9(){
rendering= false;
GraphicsInterface &gi= GraphicsInterface::getInstance();
d3dDevice= static_cast<ContextD3d9*>(gi.getCurrentContext())->getD3dDevice();
bufferPointCount= 0;
bufferIndexCount= 0;
D3DCALL(d3dDevice->CreateVertexDeclaration(d3dVertexElementsPNT, &d3dVertexDeclarationPNT));
D3DCALL(d3dDevice->CreateVertexDeclaration(d3dVertexElementsPNTT, &d3dVertexDeclarationPNTT));
readyBuffers(defBufferPointCount, defBufferIndexCount);
}
ModelRendererD3d9::~ModelRendererD3d9(){
d3dVertexBuffer->Release();
}
void ModelRendererD3d9::begin(bool renderNormals, bool renderTextures, bool renderColors){
rendering= true;
}
void ModelRendererD3d9::end(){
rendering= false;
}
void ModelRendererD3d9::render(const Model *model){
assert(rendering);
//render every mesh
for(uint32 i=0; i<model->getMeshCount(); ++i){
renderMesh(model->getMesh(i));
}
}
void ModelRendererD3d9::renderNormalsOnly(const Model *model){
}
// ====================== Private ===============================================
void ModelRendererD3d9::renderMesh(const Mesh *mesh){
CustomVertexPNTT *vertices;
uint32 *indices;
readyBuffers(mesh->getVertexCount(), mesh->getIndexCount());
//lock vertex buffer
D3DCALL(d3dVertexBuffer->Lock(0, mesh->getVertexCount()*sizeof(CustomVertexPNTT), (void**) &vertices, 0));
//copy data vertex buffer
const InterpolationData *interpolationData= mesh->getInterpolationData();
for(int i=0; i<mesh->getVertexCount(); ++i){
vertices[i].vertex= interpolationData->getVertices()[i];
vertices[i].normal= interpolationData->getNormals()[i];
Vec2f texCoord= mesh->getTexCoords()[i];
vertices[i].texCoord= Vec2f(texCoord.x, texCoord.y);
}
if(mesh->getTangents()!=NULL){
for(int i=0; i<mesh->getVertexCount(); ++i){
vertices[i].tangent= mesh->getTangents()[i];
}
}
//unlock vertex buffer
D3DCALL(d3dVertexBuffer->Unlock());
//lock index buffer
D3DCALL(d3dIndexBuffer->Lock(0, mesh->getIndexCount()*sizeof(uint32), (void**) &indices, 0));
//copy data
for(int i=0; i<mesh->getIndexCount(); i+=3){
indices[i]= mesh->getIndices()[i];
indices[i+1]= mesh->getIndices()[i+2];
indices[i+2]= mesh->getIndices()[i+1];
}
//unlock
D3DCALL(d3dIndexBuffer->Unlock());
//set stream data
D3DCALL(d3dDevice->SetStreamSource(0, d3dVertexBuffer, 0, sizeof(CustomVertexPNTT)));
D3DCALL(d3dDevice->SetVertexDeclaration(mesh->getTangents()==NULL? d3dVertexDeclarationPNT: d3dVertexDeclarationPNTT));
D3DCALL(d3dDevice->SetIndices(d3dIndexBuffer));
//set textures
int textureUnit= 0;
for(int i=0; i<meshTextureCount; ++i){
if(mesh->getTexture(i)!=NULL){
const Texture2DD3d9* texture2DD3d9= static_cast<const Texture2DD3d9*>(mesh->getTexture(i));
D3DCALL(d3dDevice->SetTexture(textureUnit, texture2DD3d9->getD3dTexture()));
++textureUnit;
}
}
//render
D3DCALL(d3dDevice->BeginScene());
D3DCALL(d3dDevice->DrawIndexedPrimitive(D3DPT_TRIANGLELIST, 0, 0, mesh->getVertexCount(), 0, mesh->getIndexCount()/3));
D3DCALL(d3dDevice->EndScene());
//reset textures
for(int i=0; i<meshTextureCount; ++i){
D3DCALL(d3dDevice->SetTexture(i, NULL));
}
}
void ModelRendererD3d9::readyBuffers(int newPointCount, int newIndexCount){
//vertices, if the buffer is to small allocate a new buffer
if(bufferPointCount<newPointCount){
bufferPointCount= newPointCount;
D3DCALL(d3dDevice->CreateVertexBuffer(
bufferPointCount*sizeof(CustomVertexPNTT),
0,
0,
D3DPOOL_MANAGED,
&d3dVertexBuffer,
NULL));
}
//indices
if(bufferIndexCount<newIndexCount){
bufferIndexCount= newIndexCount;
D3DCALL(d3dDevice->CreateIndexBuffer(
bufferIndexCount*sizeof(uint32),
0,
D3DFMT_INDEX32,
D3DPOOL_MANAGED,
&d3dIndexBuffer,
NULL));
}
}
}}}//end namespace
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