VariableExtrusionSystem.h

#pragma once
 
#include "Systems/ComponentSystem.h"
 
#include "Components/Geometry/VariableExtrusionComponent.h"
#include "Components/Core/MeshComponent.h"
 
#include "Resources/MeshManager.h"
 
namespace Cogs
{
  namespace Core
  {
    class Context;
 
    struct VariableExtrusionData
    {
      size_t pathLength = 0;
      glm::vec3 primaryAxis;
      size_t numSegments = 0;
      bool useTexture = false;
 
      std::vector<glm::vec3> positions;
      std::vector<glm::vec3> directions;
 
      std::vector<float> offsetDepths;
 
      std::vector<glm::quat> rotations;
 
      std::vector<glm::vec3> crossSection;
      std::vector<glm::vec3> morphCrossSection;
 
      std::vector<int32_t> indexes;
 
      std::vector<glm::vec2> textureCoordinates;
 
      EntityPtr sideShape;
    };
 
    class VariableExtrusionSystem : public ComponentSystemWithDataPool<VariableExtrusionComponent, VariableExtrusionData>
    {
    public:
      VariableExtrusionSystem(Memory::Allocator * allocator, SizeType capacity) : ComponentSystemWithDataPool(allocator, capacity) {}
 
      void update(Context * context);
 
      void updatePath(Context * context, const VariableExtrusionComponent & component);
      void updateSegmentCount(Context * context, const VariableExtrusionComponent & component);
      void updateRotations(Context * context, const VariableExtrusionComponent & component);
      void updateCrossSections(Context * context, const VariableExtrusionComponent & component);
      void updateOffsets(Context * context, const VariableExtrusionComponent & component);
      void updateTransformation(Context * context, const VariableExtrusionComponent & component);
      void offsetCrossSections(Context * context, const VariableExtrusionComponent & component);
      void updateTextureCoordinates(Context * context, const VariableExtrusionComponent & component);
      void updateIndexes(Context * context, const VariableExtrusionComponent & component);
      void updateSideShape(Context * context, const VariableExtrusionComponent & component);
      void updateNormals(Context * context, const VariableExtrusionComponent & component);
 
      Mesh * getMesh(Context * context, const VariableExtrusionComponent & component);
    };
  }
}