refactoring; prep for shadows

1 files changed, 74 insertions, 0 deletions

diff --git a/renderer.hpp b/renderer.hpp
new file mode 100644
index 0000000..29a9dd0
--- /dev/null
+++ b/renderer.hpp
@@ -0,0 +1,74 @@
+#ifndef renderer_hpp
+#define renderer_hpp
+
+#include "camera.hpp"
+#include "hashmap.hpp"
+#include "lighting.hpp"
+#include "video.hpp"
+
+enum {
+	FORWARD,
+	SHADOW_MAP_START,
+	SHADOW_MAP_END = SHADOW_MAP_START + Lighting::max_shadows,
+	drawlist_count = SHADOW_MAP_END };
+
+struct Camera_Id : public Primitive_Id<uint32_t> {
+	using Primitive_Id<uint32_t>::Primitive_Id;
+};
+
+template<>
+struct Hash_Function<Camera_Id> {
+	size_t operator()(Camera_Id id) const {
+		return id.index;
+	}
+};
+
+struct Model_Instance;
+struct Renderer;
+
+struct Drawlist {
+	Model_Instance** models;
+	int count;
+	int cap;
+	Camera_Id camera;
+	Staged_Buffer vp;
+
+	void render(
+		const Renderer& r,
+		Device* dev,
+		Arena* a,
+		const Lighting* l,
+		Render_Pass& pass
+	);
+};
+
+struct Renderer {
+	static constexpr int max_cameras = 16;
+	Hash_Map<Camera_Id, Camera, max_cameras> cameras;
+	Drawlist drawlists[drawlist_count];
+	int camera_count;
+
+	Sampler_Id clamped_linear;
+	Texture_Id env_cubemap;
+
+	void init(Arena* arena, Device* d);
+	void destroy(Device* d);
+	void set_camera(Camera_Id cam, int drawlist);
+	void render(
+		Device* dev,
+		Arena* a,
+		Texture_Id hdr_target,
+		const Lighting* l
+	);
+
+	void add_model(int drawlist, Model_Instance* m);
+	void rem_model(int drawlist, Model_Instance* m);
+	void default_model(Model_Instance* m);
+
+	Camera_Id create_camera();
+	Camera& get_camera(Camera_Id cam);
+	const Camera& get_camera(Camera_Id cam) const;
+	void destroy_camera(Camera_Id cam);
+};
+
+#endif