MaterialSystem.h

#pragma once
 
#include "Systems/ComponentSystem.h"
 
#include <unordered_map>
 
#include "Components/Appearance/MaterialComponent.h"
 
namespace Cogs
{
  namespace Core
  {
    class Context;
 
    struct MaterialData
    {
      MaterialInstanceHandle instance = MaterialInstanceHandle::NoHandle;
 
      bool sharedInstance = false;
 
      bool lockInstance = false;
    };
 
    class MaterialSystem : public ComponentSystemWithDataPool<MaterialComponent, MaterialData>
    {
    public:
      MaterialSystem(Memory::Allocator * allocator, SizeType capacity) : ComponentSystemWithDataPool(allocator, capacity) {}
 
      void update(Context * context) override;
 
      void cleanup(Context * context) override;
 
      void removeUnusedSharedInstances();
 
      std::unordered_map<size_t, MaterialInstanceHandle> instances;
    };
  }
}