Components.h

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#pragma once
#include "math_types.h"
#include "Mesh.h"
#include "MaterialUniform.h"
 
#include <entt/entity/fwd.hpp>
 
namespace candlewick {

struct Opaque {};

struct Disable {};
 
// Tag environment entities
struct EnvironmentTag {};
 
struct TransformComponent : Mat4f {
  using Mat4f::Mat4f;
  using Mat4f::operator=;
};
 
enum class RenderMode { FILL, LINE };
 
struct MeshMaterialComponent {
  Mesh mesh;
  std::vector<PbrMaterial> materials;
  RenderMode mode = RenderMode::FILL;
  MeshMaterialComponent(Mesh &&mesh, std::vector<PbrMaterial> &&materials)
      : mesh(std::move(mesh)), materials(std::move(materials)) {
    assert(mesh.numViews() == materials.size());
  }
 
  bool hasTransparency() const;
};

bool updateTransparencyClassification(entt::registry &reg, entt::entity entity,
                                      const MeshMaterialComponent &mmc);
 
inline void toggleDisable(entt::registry &reg, entt::entity id, bool flag) {
  if (flag)
    reg.remove<Disable>(id);
  else
    reg.emplace<Disable>(id);
}
 
} // namespace candlewick