void TerrainTessellator::draw(const GraphicsDevice& device, unsigned levelOfDetail, unsigned primitiveCount, const IndexBufferCollection& indexBuffers, const std::vector<TerrainInstance>& instances, unsigned numInstances) const
{
instanceVertexBuffer.setData(instances, D3DLOCK_DISCARD);
device.setStreamSource(vertexBuffer, sizeof(TerrainVertex));
device.setStreamSourceFreq(0, D3DSTREAMSOURCE_INDEXEDDATA | numInstances);
device.setStreamSource(instanceVertexBuffer, sizeof(TerrainInstance), 1);
device.setStreamSourceFreq(1, D3DSTREAMSOURCE_INSTANCEDATA | 1);
device.setVertexDeclaration(instanceVertexDeclaration);
device.setIndices(indexBuffers[levelOfDetail]);
device.drawIndexedPrimitive(D3DPT_TRIANGLELIST, primitiveCount, numVertices);
}
void FBXModel::draw(const GraphicsDevice& device, const GameTime& gameTime, const Matrix& world, const Matrix& view, const Matrix& projection, const std::vector<Matrix>& instanceTransforms, unsigned numInstances, FBXEffect& effect, bool shadowMap)
{
if (numInstances == 0)
return;
instanceVertexBuffer.setData(&instanceTransforms[0], numInstances, D3DLOCK_DISCARD);
if (!animations.empty())
effect.setBoneMatrices(getBoneMatrices(getAnimationFrame(gameTime)));
effect.setTechnique(!animations.empty(), shadowMap);
effect.setCamera(camera);
effect.setLight(light);
effect.setClipPlane(clipPlane);
effect.setAlphaCutoff(alphaCutoff);
effect.setWorld(world);
effect.setView(view);
effect.setProjection(projection);
device.setVertexDeclaration(vertexDeclaration);
device.setStreamSource(instanceVertexBuffer, sizeof(InstanceType), 1);
device.setStreamSourceFreq(1, D3DSTREAMSOURCE_INSTANCEDATA | 1);
effect.beginSinglePass();
for (MeshMap::iterator it = meshes.begin(); it != meshes.end(); ++it)
{
FBXMesh& fbxMesh = it->second;
if (!fbxMesh.visible)
continue;
Mesh& mesh = fbxMesh.mesh;
device.setIndices(mesh.getIndexBuffer());
device.setStreamSource(mesh.getVertexBuffer(), sizeof(FBXVertex));
device.setStreamSourceFreq(0, D3DSTREAMSOURCE_INDEXEDDATA | numInstances);
unsigned numMaterials = fbxMesh.materials.size();
Mesh::AttributeTable attributeTable = mesh.getAttributeTable(numMaterials);
for (unsigned j = 0; j < numMaterials; ++j)
{
FBXMaterial& fbxMaterial = fbxMesh.materials[j];
Material material = fbxMaterial.material;
if (Vector3(material.Diffuse) == keyColor)
material.Diffuse = Vector4((keyColorEnabled) ? keyColorReplace : keyColor);
if (Vector3(material.Ambient) == keyColor)
material.Ambient = Vector4((keyColorEnabled) ? keyColorReplace : keyColor);
switch (fbxMesh.colorFunction)
{
case FBXColorFunction::colorMultiply:
{
material.Ambient = Vector4(material.Ambient) * Vector4(fbxMesh.color);
material.Diffuse = Vector4(material.Diffuse) * Vector4(fbxMesh.color);
effect.setColormap(fbxMaterial.texture);
}
break;
case FBXColorFunction::colorOverride:
{
material.Ambient = fbxMesh.color;
material.Diffuse = fbxMesh.color;
effect.setColormap(defaultTexture);
}
break;
case FBXColorFunction::colorAdd:
{
material.Ambient = Vector4(Vector3(fbxMesh.color + Vector3(material.Ambient)));
material.Diffuse = Vector4(Vector3(fbxMesh.color + Vector3(material.Diffuse)));
effect.setColormap(fbxMaterial.texture);
}
break;
}
effect.setMaterial(material);
effect.commitChanges();
D3DXATTRIBUTERANGE& range = attributeTable[j];
device.drawIndexedPrimitive(D3DPT_TRIANGLELIST, range.FaceCount, range.VertexCount, 0, range.VertexStart, range.FaceStart * 3);
}
}
effect.endSinglePass();
}