Exemplo n.º 1
0
Result::Name RegisterAsPlanarMirror( CCopyEntity& entity, BasicMesh& mesh, int subset_index )
{
	const AABB3& aabb = mesh.GetAABB(subset_index);

	EntityRenderManager& entity_render_mgr
		= *(entity.GetStage()->GetEntitySet()->GetRenderManager());

	// >>> TODO: support planes that are not axis-aligned or facing along the negative half-space
	SPlane plane;
	int plane_axis = 1;
	if(      aabb.vMax.x - aabb.vMin.x < 0.001f ) plane_axis = 0;
	else if( aabb.vMax.y - aabb.vMin.y < 0.001f ) plane_axis = 1;
	else if( aabb.vMax.z - aabb.vMin.z < 0.001f ) plane_axis = 2;
	else plane_axis = 1;

	plane.normal = Vector3(0,0,0);
	plane.normal[plane_axis] = 1;
	plane.dist = aabb.vMax[plane_axis];

	Result::Name res = entity_render_mgr.AddPlanarReflector( EntityHandle<>( entity.Self() ), plane );

	if( res != Result::SUCCESS )
		return Result::UNKNOWN_ERROR;

	entity.RaiseEntityFlags( BETYPE_PLANAR_REFLECTOR );

	// Create shader variable loader for mirror 

	if( !entity.m_pMeshRenderMethod )
	{
		if( entity.pBaseEntity->MeshProperty().m_pMeshRenderMethod )
		{
			entity.m_pMeshRenderMethod
				= entity.pBaseEntity->MeshProperty().m_pMeshRenderMethod->CreateCopy();

			if( !entity.m_pMeshRenderMethod )
				return Result::UNKNOWN_ERROR;
		}
		else
			return Result::UNKNOWN_ERROR;
	}

	// create a planar reflection entity
//	shared_ptr<MeshContainerRenderMethod> pMeshRenderMethodCopy
//		= entity.m_pMeshRenderMethod->CreateCopy();

	shared_ptr<MirroredSceneTextureParam> pTexParam;
	pTexParam.reset( new MirroredSceneTextureParam( EntityHandle<>( entity.Self() ) ) );
	pTexParam->m_fReflection = mesh.GetMaterial(subset_index).m_Mat.fReflection;
//	pMeshRenderMethodCopy->SetShaderParamsLoaderToAllMeshRenderMethods( pTexParam );

	// test - we assume that the entity's mesh is composed of polygons that belong to a single plane.
	entity.m_pMeshRenderMethod->SetShaderParamsLoaderToAllMeshRenderMethods( pTexParam );

	// Move the indices of the planar reflection subset(s)
	// to the render method of the planar reflection entity

	return Result::SUCCESS;
}
Exemplo n.º 2
0
bool RegisterAsMirrorIfReflective( CCopyEntity& entity, BasicMesh& mesh, int subset_index, GenericShaderDesc& shader_desc )
{
	if( mesh.GetMaterial(subset_index).m_Mat.fReflection < 0.001f )
		return false;

	const MeshMaterial& mat = mesh.GetMaterial(subset_index);
	const AABB3& aabb = mesh.GetAABB(subset_index);

	bool subset_triangles_on_plane = false;
	if( aabb.vMax.x - aabb.vMin.x < 0.001f
	 || aabb.vMax.y - aabb.vMin.y < 0.001f
	 || aabb.vMax.z - aabb.vMin.z < 0.001f )
	{
		// The triangles of the i-th subset is on an axis-aligned plane.
		subset_triangles_on_plane = true;
	}
//	else if( IsSubsetTrianglesOnSinglePlane(pMesh,i) )
//	{
//		subset_triangles_on_plane = true;
//	}

	if( subset_triangles_on_plane )
	{
		RegisterAsPlanarMirror( entity, mesh, subset_index );
		shader_desc.PlanarReflection = PlanarReflectionOption::FLAT;
		return true;
	}
	else
	{
		// TODO: Register as an envmap target?
//		entity.RaiseEntityFlags( BETYPE_ENVMAPTARGET );
//		shader_desc.EnvMap = EnvMapOption::ENABLED;
		return false;
	}

	return false;
}