Method PrepareResourcesForRender

trinity/Sprite2d/Tr2Sprite2dScene.cpp:2272–2301

Prepare required resources for rendering. If any of them are not ready this function returns false, otherwise it returns true and rendering can go forward.

// this function returns false, otherwise it returns true and rendering can
// go forward.
bool Tr2Sprite2dScene::PrepareResourcesForRender()
{
	// Prepare resources if we don't have valid index or vertex buffers
	if( !m_indexBuffer.IsValid() || !m_vertexBuffer.IsValid() )
	{
		PrepareResources();
		// Bail out if the buffers still aren't valid
		if( !m_indexBuffer.IsValid() || !m_vertexBuffer.IsValid() )
		{
			return false;
		}
	}

	Tr2EffectResPtr effectRes = m_uberShader2d->GetEffectRes();
	if( !effectRes || effectRes->IsLoading() )
	{
		// Effect is still loading - can't render any UI
		return false;
	}

	if( !effectRes->IsGood() )
	{
		// Effect load failed - can't render any UI
		CCP_LOGERR( "%s: Effect used for rendering failed to load - attempting to reload", __FUNCTION__ );
		effectRes->Reload();
		return false;
	}

	return true;
}

void Tr2Sprite2dScene::SetViewportSizeToVariableStore( float displayWidth, float displayHeight )
{