Scene SceneBuilder::BuildScene(World& world, Camera& camera, const std::unordered_map<int, AdditionalStepParameters>& additionalParameters)
{
Scene scene;
std::vector<std::vector<ObjectHint>> hints;
for (DrawableWorldObject& obj : world.GetDrawableObjects())
{
for (const Mesh& mesh : obj.GetMeshes())
{
Mat4 camMat = camera.GetCameraMatrix();
Mat4 perspMat = camera.GetPerspectiveMatrix();
Mat4 posMat = obj.GetPositionMatrix();
Mat4 rotMat = obj.GetRotation();
Vec3 camPosition = camera.GetPosition();
Mat4 pMatrix = perspMat * camMat;
MaterialProperties properties = mesh.GetMaterialProperties();
int tiling = obj.GetTiling();
bool aoTiling = obj.IsAoTiling();
ShaderConfiguration c;
c = [=]
{
for (auto& step : steps)
{
for (auto& p : step.first.renderStep.shaders)
{
p.get().SetUniform(camPosition, "camPosition");
p.get().SetUniform(camMat, "WtoCMatrix");
p.get().SetUniform(perspMat, "perspective");
p.get().SetUniform(posMat, "MtoWMatrix");
p.get().SetUniform(rotMat, "rotation");
p.get().SetUniform(pMatrix, "pMatrix");
p.get().SetUniform(tiling, "tilingFactor");
p.get().SetUniform(properties.roughnessMap, "roughnessTex");
p.get().SetUniform(properties.aoMap, "aoTex");
p.get().SetUniform(properties.albedoTexture, "albedoTex");
p.get().SetUniform(properties.metallnessMap, "metallnessTex");
p.get().SetUniform(properties.roughness, "roughness");
p.get().SetUniform(properties.ao, "ao");
p.get().SetUniform(properties.albedo, "albedo");
p.get().SetUniform(properties.metallness, "metallness");
p.get().SetUniform(properties.normalMap, "normalTex");
p.get().SetUniform(properties.inverseRoughness, "inverseRoughness");
p.get().SetUniform(aoTiling, "aoTiling");
}
}
};
scene.meshes.emplace_back(mesh, c);
hints.emplace_back(obj.GetHints());
}
}
int i = 0;
for (auto& step : steps)
{
AdditionalStepParameters params;
if (additionalParameters.count(i))
params = additionalParameters.at(i);
if (step.first.isMultiStep)
{
for (int j = 0; j < step.first.stepCount(world); j++)
{
step.first.processor(world, step.first.renderStep, i, j, params);
scene.path.steps.push_back(step.first.renderStep);
i++;
}
}
else
{
step.first.processor(world, step.first.renderStep, i, 0, params);
scene.path.steps.push_back(step.first.renderStep);
i++;
}
}
i = 0;
for (MeshDescriptor& obj : scene.meshes)
{
int j = 0;
for (auto& step : steps)
{
if (step.first.isMultiStep)
{
for (int k = 0; k < step.first.stepCount(world); k++, j++)
{
if (step.second.empty() || contains(hints[i], step.second))
scene.path.steps[j].objects.push_back(i);
}
}
else
{
if (step.second.empty() || contains(hints[i], step.second))
scene.path.steps[j].objects.push_back(i);
j++;
}
}
i++;
}
return scene;
}
