From d26100734623f37063206b9b144c2a29fd71d414 Mon Sep 17 00:00:00 2001
From: quou <quou@disroot.org>
Date: Wed, 1 Jan 2025 18:43:31 +1100
Subject: material system

---
 model.hpp | 39 ++++++++++++++++++++++++++++++++++++---
 1 file changed, 36 insertions(+), 3 deletions(-)

(limited to 'model.hpp')

diff --git a/model.hpp b/model.hpp
index 03cdef4..0dd8c43 100644
--- a/model.hpp
+++ b/model.hpp
@@ -5,13 +5,31 @@
 #include "maths.hpp"
 #include "video.hpp"
 
+struct Material : public Asset {
+	float metalness, roughness, ao;
+	v3f albedo;
+	struct {
+		Texture_Id albedo;
+		Texture_Id ao;
+		Texture_Id metal;
+		Texture_Id rough;
+		Texture_Id normal;
+	} tex;
+	void use(
+		Pipeline_Builder& pb,
+		Sampler_Id sampler,
+		Shader& shader
+	);
+};
+
 struct Model;
 struct Mesh {
 	int offset, vbo_offset, count;
-	int parent, mesh_binding, mvp_binding;
+	int parent, mesh_binding, mvp_binding, mat_binding;
 	bool world_dirty;
 	m4f local, world;
 	Shader_Id shader;
+	Material* material;
 	const m4f& get_world(Model& m);
 };
 
@@ -19,6 +37,7 @@ struct Model : public Asset {
 	Buffer_Id vbo;
 	Buffer_Id ibo;
 	Buffer_Id mvp;
+	Buffer_Id mat;
 	int mesh_count;
 
 	Mesh* get_meshes() {
@@ -35,7 +54,8 @@ struct Model : public Asset {
 	void render(
 		Device* dev,
 		Arena* a,
-		Render_Pass& pass
+		Render_Pass& pass,
+		Sampler_Id sampler
 	);
 };
 
@@ -49,7 +69,20 @@ struct Model_Loader : public Asset_Loader {
 		const char* filename,
 		Pack_File* f
 	) override;
-	void unload(Asset* a);
+	void unload(Asset* a) override;
+};
+
+struct Material_Loader : public Asset_Loader {
+	Asset_Arena* textures;
+	Texture_Id default_tex;
+	void init(Asset_Arena* texture_arena, Texture_Id dt);
+	Asset* load(
+		Arena* a,
+		Arena* s,
+		const char* filename,
+		Pack_File* f
+	) override;
+	void unload(Asset* a) override;
 };
 
 #endif
-- 
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