linear model instance state

[blank.git] / src / model / Part.hpp

diff --git a/src/model/Part.hpp b/src/model/Part.hpp
new file mode 100644 (file)
index 0000000..029442b
--- /dev/null
+++ b/src/model/Part.hpp
@@ -0,0 +1,51 @@
+#ifndef BLAMK_MODEL_PART_HPP_
+#define BLAMK_MODEL_PART_HPP_
+
+#include "geometry.hpp"
+
+#include <cstdint>
+#include <list>
+#include <vector>
+#include <glm/glm.hpp>
+#include <glm/gtc/quaternion.hpp>
+
+
+namespace blank {
+
+class DirectionalLighting;
+class EntityMesh;
+class Model;
+
+struct Part {
+
+       std::uint16_t id;
+       AABB bounds;
+       struct State {
+               glm::vec3 position = glm::vec3(0.0f, 0.0f, 0.0f);
+               glm::quat orientation = glm::quat(1.0f, 0.0f, 0.0f, 0.0f);
+       } initial;
+       const EntityMesh *mesh;
+
+       Part();
+       ~Part();
+
+       Part &AddChild();
+       const std::list<Part> &Children() const noexcept { return children; }
+
+       std::uint16_t Enumerate(std::uint16_t) noexcept;
+       void Index(std::vector<Part *> &) noexcept;
+
+       glm::mat4 LocalTransform(const std::vector<State> &) const noexcept;
+       glm::mat4 GlobalTransform(const std::vector<State> &) const noexcept;
+
+       void Render(const glm::mat4 &, const std::vector<State> &, DirectionalLighting &) const;
+
+private:
+       const Part *parent;
+       std::list<Part> children;
+
+};
+
+}
+
+#endif