BansheeEngine/Source/RenderBeast/Source/BsObjectRendering.cpp

//********************************** Banshee Engine (www.banshee3d.com) **************************************************//
//**************** Copyright (c) 2016 Marko Pintera ([email protected]). All rights reserved. **********************//
#include "BsObjectRendering.h"
#include "BsShader.h"
#include "BsGpuParams.h"
#include "BsRenderBeast.h"
#include "BsMaterial.h"
#include "BsMesh.h"
#include "BsSkeleton.h"
#include "BsGpuBuffer.h"
#include "BsGpuParamsSet.h"
#include "BsMorphShapes.h"
#include "BsAnimationManager.h"

namespace bs
{
	ObjectRenderer::ObjectRenderer()
	{ }

	void ObjectRenderer::initElement(RendererObject& owner, BeastRenderableElement& element)
	{
		SPtr<ShaderCore> shader = element.material->getShader();
		if (shader == nullptr)
		{
			element.perCameraBindingIdx = -1;

			LOGWRN("Missing shader on material.");
			return;
		}

		// Note: Perhaps perform buffer validation to ensure expected buffer has the same size and layout as the provided
		// buffer, and show a warning otherwise. But this is perhaps better handled on a higher level.
		const Map<String, SHADER_PARAM_BLOCK_DESC>& paramBlockDescs = shader->getParamBlocks();

		for (auto& paramBlockDesc : paramBlockDescs)
		{
			if (paramBlockDesc.second.rendererSemantic == RBS_PerFrame)
				element.params->setParamBlockBuffer(paramBlockDesc.second.name, mPerFrameParams.getBuffer(), true);
			else if (paramBlockDesc.second.rendererSemantic == RBS_PerObject)
			{
				element.params->setParamBlockBuffer(paramBlockDesc.second.name,
													owner.perObjectParams.getBuffer(), true);
			}
			else if (paramBlockDesc.second.rendererSemantic == RBS_PerCall)
			{
				element.params->setParamBlockBuffer(paramBlockDesc.second.name,
													owner.perCallParams.getBuffer(), true);
			}
		}

		const Map<String, SHADER_OBJECT_PARAM_DESC>& bufferDescs = shader->getBufferParams();
		String boneMatricesParamName;

		for(auto& entry : bufferDescs)
		{
			if (entry.second.rendererSemantic == RPS_BoneMatrices)
				boneMatricesParamName = entry.second.name;
		}
		
		if (!boneMatricesParamName.empty())
		{
			MaterialParamBufferCore boneMatricesParam = element.material->getParamBuffer(boneMatricesParamName);
			boneMatricesParam.set(element.boneMatrixBuffer);
		}
	}

	void ObjectRenderer::setParamFrameParams(float time)
	{
		mPerFrameParams.gTime.set(time);
	}

	void DefaultMaterial::_initDefines(ShaderDefines& defines)
	{
		// Do nothing
	}
}