MarkerPointSetSystem.h

#pragma once
 
#include "Systems/ComponentSystem.h"
#include "Components/Geometry/MarkerPointSetComponent.h"
 
#include "MarkerPointSetPicker.h"
 
namespace Cogs::Core
{
  class Context;
 
  struct MarkerPointSetData
  {
    glm::vec4 viewPlaneLocal;
    glm::vec3 viewXLocal;
    glm::vec3 viewYLocal;
 
    MaterialInstanceHandle materialInstance;
 
    bool initialized = false;
  };
 
  class MarkerPointSetSystem : public ComponentSystemWithDataPool<MarkerPointSetComponent, MarkerPointSetData>
  {
  public:
    MarkerPointSetSystem(Memory::Allocator * allocator, SizeType capacity) : ComponentSystemWithDataPool(allocator, capacity) {}
 
    void initialize(Context* context) override;
 
    ComponentHandle createComponent() override;
    void destroyComponent(ComponentHandle componentHandle) override;
    void update(Context* /*context*/) override;
 
  private:
    MeshHandle quad;
    
    MaterialHandle pointMaterial;
    VariableKey diffuseColorKey = NoProperty;
    VariableKey outlineColorKey = NoProperty;
    VariableKey viewPlaneLocalKey = NoProperty;
    VariableKey viewXLocalKey = NoProperty;
    VariableKey viewYLocalKey = NoProperty;
    VariableKey pointSizeKey = NoProperty;
    VariableKey outlineRelativeRadiusSquaredKey = NoProperty;
    VariableKey nearDistanceKey = NoProperty;
    VariableKey farDistanceKey = NoProperty;
 
    struct {
      glm::vec2 viewportSize = glm::vec2(0.f);
      float dpiScale = 0.f;
    }
    prevCameraState;
 
 
    std::unique_ptr<MarkerPointSetPicker> picker;
  };
 
}