C++ (Cpp) Matrix4x4::ReflectPlane Examples

Example #1

File: sgp_OpenGLSkydomeRenderer.cpp Project: phoenixzz/SGPEngine

void COpenGLSkydomeRenderer::DoDrawReflectionSkydomeRenderBatch()
{
	if( m_SkydomeStaticBuffer == NULL )
		return;

	COpenGLShaderManager *pShaderManager = static_cast<COpenGLShaderManager*>(m_pRenderDevice->GetShaderManager());

	Matrix4x4 SkydomeWorldMatrix;
	Plane ReflectionPlane;
	ReflectionPlane.Set( Vector3D(0, 1, 0), -m_pRenderDevice->GetWorldSystemManager()->getWater()->m_fWaterHeight );
	SkydomeWorldMatrix.ReflectPlane( ReflectionPlane );

	Vector4D newCamPos = m_pRenderDevice->getOpenGLCamera()->m_CameraPos * SkydomeWorldMatrix;
	SkydomeWorldMatrix = m_SkydomeWorldMatrix;

	SkydomeWorldMatrix.Translate( newCamPos.x, newCamPos.y, newCamPos.z );

	Matrix4x4 MVP = SkydomeWorldMatrix * m_pRenderDevice->getOpenGLWaterRenderer()->m_MirrorViewMatrix * m_pRenderDevice->getOpenGLWaterRenderer()->m_ObliqueNearPlaneReflectionProjMatrix;
	Matrix4x4 MV = SkydomeWorldMatrix * m_pRenderDevice->getOpenGLWaterRenderer()->m_MirrorViewMatrix;

	ISGPMaterialSystem::MaterialList &Mat_List = m_pRenderDevice->GetMaterialSystem()->GetMaterialList();
	const ISGPMaterialSystem::SGPMaterialInfo &SkydomeMaterial_info = Mat_List.getReference(ISGPMaterialSystem::eMaterial_skydome);
	m_pRenderDevice->getOpenGLMaterialRenderer()->PushMaterial( SkydomeMaterial_info.m_material, MM_Add );

	m_pRenderDevice->getOpenGLMaterialRenderer()->ComputeMaterialPass();
	m_pRenderDevice->getOpenGLMaterialRenderer()->OnePassPreRenderMaterial(0);

	pShaderManager->GetGLSLShaderProgram(m_SkydomeMaterialSkin.nShaderType)->useProgram();

	pShaderManager->GetGLSLShaderProgram(m_SkydomeMaterialSkin.nShaderType)->setShaderUniform("modelViewProjMatrix", MVP);
	pShaderManager->GetGLSLShaderProgram(m_SkydomeMaterialSkin.nShaderType)->setShaderUniform("modelViewMatrix", MV);
	pShaderManager->GetGLSLShaderProgram(m_SkydomeMaterialSkin.nShaderType)->setShaderUniform("InvSunDir", m_SunDir);
	pShaderManager->GetGLSLShaderProgram(m_SkydomeMaterialSkin.nShaderType)->setShaderUniform("HGg", m_HGg);
	pShaderManager->GetGLSLShaderProgram(m_SkydomeMaterialSkin.nShaderType)->setShaderUniform("BetaRPlusBetaM", m_BetaRPlusBetaM);
	pShaderManager->GetGLSLShaderProgram(m_SkydomeMaterialSkin.nShaderType)->setShaderUniform("Multipliers", m_Multipliers);
	pShaderManager->GetGLSLShaderProgram(m_SkydomeMaterialSkin.nShaderType)->setShaderUniform("BetaDashR", m_BetaDashR);
	pShaderManager->GetGLSLShaderProgram(m_SkydomeMaterialSkin.nShaderType)->setShaderUniform("BetaDashM", m_BetaDashM);
	pShaderManager->GetGLSLShaderProgram(m_SkydomeMaterialSkin.nShaderType)->setShaderUniform("OneOverBetaRPlusBetaM", m_OneOverBetaRPlusBetaM);
	pShaderManager->GetGLSLShaderProgram(m_SkydomeMaterialSkin.nShaderType)->setShaderUniform("SunColorAndIntensity", m_SunColorAndIntensity);

	m_pRenderDevice->GetTextureManager()->getTextureByID(m_SkydomeMaterialSkin.nTextureID[0])->pSGPTexture->BindTexture2D(0);
	pShaderManager->GetGLSLShaderProgram(m_SkydomeMaterialSkin.nShaderType)->setShaderUniform("gSampler0", 0);
	if( m_SkydomeMaterialSkin.nTextureNum == 2 )
	{
		m_pRenderDevice->GetTextureManager()->getTextureByID(m_SkydomeMaterialSkin.nTextureID[1])->pSGPTexture->BindTexture2D(1);
		pShaderManager->GetGLSLShaderProgram(m_SkydomeMaterialSkin.nShaderType)->setShaderUniform("gSampler1", 1);
	}

	pShaderManager->GetGLSLShaderProgram(m_SkydomeMaterialSkin.nShaderType)->setShaderUniform("cloudParam", m_SkydomeCloudParam);


	
	m_SkydomeStaticBuffer->pVBO->bindVAO();

	glDrawElements( m_pRenderDevice->primitiveTypeToGL( m_SkydomeMaterialSkin.nPrimitiveType ),
					m_SkydomeStaticBuffer->nNumIndis, 
					GL_UNSIGNED_SHORT,
					(void*)0 );

	m_SkydomeStaticBuffer->pVBO->unBindVAO();



	m_pRenderDevice->getOpenGLMaterialRenderer()->OnePassPostRenderMaterial(0);
	m_pRenderDevice->getOpenGLMaterialRenderer()->PopMaterial();

}