//TODO: make bool and crash
bool RenderEngine::Draw(glm::mat4 perspective, glm::mat4 camera)
{
GraphicalObject * currentGob = nullptr;// BufferManager::GetFirstGob();
int objectNum = 0;
RenderInfo * gobRenderInfo = nullptr;
//SetAttributes();
BufferGroup * bGroup = nullptr;
//while(BufferManager::)
while (BufferManager::GetBufferGroup(bGroup)) {
if (bGroup == nullptr) { printf("RenderEngine::Draw(): bGroup is null\n"); return false; }
int shaderInd = bGroup->GetShaderIndex();
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
if (!ShaderManager::UseShader(shaderInd)) {
printf("RenderEngine::Draw(): UseShader, shader [%d] does not exist\n", bGroup->GetShaderIndex());
return false;
}
//if (shaderInd == 2)
//{
// TextureManager::BindImage(0);
//}
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
GraphicalObject * bufferGroupGob = bGroup->GetFirstGob();
if (bufferGroupGob != nullptr) {//{ printf("RenderEngine::Draw(): bufferGroupGob is null\n"); return false; }
RenderInfo * renderInfo = bufferGroupGob->GetRenderInfoPtr();
//Refactor
//SetAttributes(bGroup);
while (bGroup->GetBufferInfoGob(currentGob))
{
renderInfo = currentGob->GetRenderInfoPtr();
glBindBuffer(GL_ARRAY_BUFFER, renderInfo->m_vertBufferID);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, renderInfo->m_indBufferID);
SetAttributes(&(renderInfo->m_vertexFormat), renderInfo->m_stride);
//char * texInfo = TextureManager::GetData(0);
while (currentGob != nullptr)
{
gobRenderInfo = currentGob->GetRenderInfoPtr();
if (currentGob->GetRenderInfoPtr()->m_enabled) {
glm::mat4 screenMat = perspective * (camera * /*Set this to a parameter ->*/(currentGob->GetTranslateMatrix() * (currentGob->GetRotationMatrix() * currentGob->GetScaleMatrix())));
if (currentGob->m_drawCallback) {
if (!currentGob->m_drawCallback(currentGob, screenMat)) return false;
}
else
{
if (shaderInd == 0) {
SetUniformsShader0(currentGob, screenMat);
}
else if (shaderInd == 1) {
if (!SetUniformsShader1(currentGob, screenMat)) return false;
}
else if (shaderInd == 2 || shaderInd == 3) {
if (!SetUniformsShader2(currentGob, screenMat))return false;
}
else if (shaderInd == 4) {
//glm::mat4 lightMat = perspective * (camera);
if (!SetUniformsShader4(currentGob, screenMat)) return false;
}
else if (shaderInd == 5) {
//glm::mat4 lightMat = perspective * (camera);
if (!SetUniformsShader5(currentGob, screenMat)) return false;
}
}
if (currentGob->GetRenderInfoPtr()->m_indexed) {
DrawIndexedObject(currentGob);
}
else
{
DrawNonIndexedObject(currentGob);
}
}
if (currentGob->m_drawCallback) {
glDisable(GL_BLEND);
}
currentGob = currentGob->GetNextObjectPtr();
objectNum++;
}
}
}
}
return true;
}
