model.hpp


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#ifndef model_hpp
#define model_hpp

#include "asset.hpp"
#include "maths.hpp"
#include "video.hpp"

struct Model;
struct Mesh {
	int offset, vbo_offset, count;
	int parent, mesh_binding, mvp_binding;
	bool world_dirty;
	m4f local, world;
	Shader_Id shader;
	const m4f& get_world(Model& m);
};

struct Model : public Asset {
	Buffer_Id vbo;
	Buffer_Id ibo;
	Buffer_Id mvp;
	int mesh_count;

	Mesh* get_meshes() {
		return (Mesh*)&this[1];
	}

	void destroy(Device* dev);
	void update_transforms();
	void render(
		Device* dev,
		Arena* a,
		Render_Pass& pass,
		const m4f& transform,
		const m4f& view_projection
	);
};

struct Model_Loader : public Asset_Loader {
	Device* dev;
	Asset_Arena* shaders;
	void init(Device* device, Asset_Arena* shader_arena);
	Asset* load(Arena* a, Arena* s, Pack_File* f) override;
	void unload(Asset* a);
};

#endif