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fishtanks/src/Systems/RenderSystem.cpp
T
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2014-04-11 20:59:42 +02:00

82 lines
2.8 KiB
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Executable File

#include "PrecompiledHeader.h"
#include "RenderSystem.h"
#include "World.h"
void Systems::RenderSystem::OnComponentCreated(std::string type, std::shared_ptr<Component> component)
{
if(type == "Model")
{
auto modelComponent = std::static_pointer_cast<Components::Model>(component);
}
}
void Systems::RenderSystem::UpdateEntity(double dt, EntityID entity, EntityID parent)
{
auto transformComponent = m_World->GetComponent<Components::Transform>(entity, "Transform");
if (transformComponent == nullptr)
return;
// Draw models
auto modelComponent = m_World->GetComponent<Components::Model>(entity, "Model");
if (modelComponent != nullptr)
{
if (m_CachedModels.find(modelComponent->ModelFile) == m_CachedModels.end())
{
m_CachedModels[modelComponent->ModelFile] = std::make_shared<Model>(OBJ(modelComponent->ModelFile));
}
auto model = m_CachedModels[modelComponent->ModelFile];
glm::vec3 position = m_TransformSystem->AbsolutePosition(entity);
glm::quat orientation = m_TransformSystem->AbsoluteOrientation(entity);
glm::vec3 scale = m_TransformSystem->AbsoluteScale(entity);
m_Renderer->AddModelToDraw(model, position, orientation, scale, modelComponent->Visible, modelComponent->ShadowCaster);
}
// Debug draw bounds
#ifdef DEBUG
auto collision = m_World->GetComponent<Components::Collision>(entity, "Collision");
auto bounds = m_World->GetComponent<Components::Bounds>(entity, "Bounds");
if (bounds != nullptr)
{
glm::vec3 origin = m_TransformSystem->AbsolutePosition(entity) + (transformComponent->Scale * bounds->Origin);
glm::vec3 volumeVector = transformComponent->Scale * bounds->VolumeVector;
m_Renderer->AddAABBToDraw(origin, volumeVector, (collision != nullptr && collision->CollidingEntities.size() > 0));
}
#endif
auto pointLightComponent = m_World->GetComponent<Components::PointLight>(entity, "PointLight");
if (pointLightComponent != nullptr)
{
glm::vec3 position = m_TransformSystem->AbsolutePosition(entity);
m_Renderer->AddPointLightToDraw(
position,
pointLightComponent->Specular,
pointLightComponent->Diffuse,
pointLightComponent->constantAttenuation,
pointLightComponent->linearAttenuation,
pointLightComponent->quadraticAttenuation,
pointLightComponent->spotExponent);
}
auto cameraComponent = m_World->GetComponent<Components::Camera>(entity, "Camera");
if (cameraComponent != nullptr)
{
m_Renderer->GetCamera()->Position(transformComponent->Position);
m_Renderer->GetCamera()->Orientation(transformComponent->Orientation);
m_Renderer->GetCamera()->FOV(cameraComponent->FOV);
m_Renderer->GetCamera()->NearClip(cameraComponent->NearClip);
m_Renderer->GetCamera()->FarClip(cameraComponent->FarClip);
}
}
void Systems::RenderSystem::Initialize()
{
m_TransformSystem = m_World->GetSystem<Systems::TransformSystem>("TransformSystem");
}