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

---
 convmaterial.c | 83 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 convmaterial.c

(limited to 'convmaterial.c')

diff --git a/convmaterial.c b/convmaterial.c
new file mode 100644
index 0000000..fde7223
--- /dev/null
+++ b/convmaterial.c
@@ -0,0 +1,83 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "cfg/cfgparse.h"
+#include "material.h"
+#include "memory.h"
+#include "plat.h"
+#include "str.h"
+
+void parse(cfg_Object* cfg, FILE* f) {
+	Material_File r;
+	zero(&r, sizeof r);
+	fwrite(&r, sizeof r, 1, f);
+	r.magic[0] = 'M';
+	r.magic[1] = 'T';
+	r.magic[2] = 'R';
+	r.magic[3] = 'L';
+	const char* albedo_tex = "";
+	const char* ao_tex = "";
+	const char* metal_tex = "";
+	const char* rough_tex = "";
+	const char* normal_tex = "";
+	for (; cfg; cfg = cfg->next) {
+		if (string_equal(cfg->name, "params")) {
+			r.metalness = find_float_default(cfg, "metalness", 0.0f);
+			r.roughness = find_float_default(cfg, "roughness", 0.0f);
+			r.ao = find_float_default(cfg, "ao", 1.0f);
+			r.albedo = find_colour_default(cfg, "albedo", "ffffff");
+		} else if (string_equal(cfg->name, "textures")) {
+			albedo_tex = find_string_default(cfg, "albedo", "");
+			ao_tex     = find_string_default(cfg, "ao",     "");
+			metal_tex  = find_string_default(cfg, "metal",  "");
+			rough_tex  = find_string_default(cfg, "rough",  "");
+			normal_tex = find_string_default(cfg, "normal", "");
+		}
+	}
+	r.albedo_tex_len = string_len(albedo_tex);
+	r.ao_tex_len     = string_len(ao_tex);
+	r.metal_tex_len  = string_len(metal_tex);
+	r.rough_tex_len  = string_len(rough_tex);
+	r.normal_tex_len = string_len(normal_tex);
+	fseek(f, 0, SEEK_SET);
+	fwrite(&r, sizeof r, 1, f);
+	fwrite(albedo_tex, 1, r.albedo_tex_len, f);
+	fwrite(ao_tex,     1, r.ao_tex_len,     f);
+	fwrite(metal_tex,  1, r.metal_tex_len,  f);
+	fwrite(rough_tex,  1, r.rough_tex_len,  f);
+	fwrite(normal_tex, 1, r.albedo_tex_len, f);
+}
+
+int main(int argc, const char** argv) {
+	int mem_size = 1024 * 1024;
+	void* mem = malloc(mem_size);
+	Arena arena;
+	cfg_Object* cfg;
+	FILE* infile, * outfile;
+	char* src;
+	int size;
+	init_arena(&arena, mem, mem_size);
+	if (argc < 3) {
+		print_err("Usage: %s infile outfile format.\n", argv[0]);
+		return 1;
+	}
+	infile = fopen(argv[1], "r");
+	if (!infile) {
+		print_err("Failed to open %s.\n", argv[1]);
+		return 2;
+	}
+	fseek(infile, 0, SEEK_END);
+	size = ftell(infile);
+	rewind(infile);
+	src = malloc(size + 1);
+	src[fread(src, 1, size, infile)] = 0;
+	cfg = cfg_parse(src, &arena);
+	outfile = fopen(argv[2], "wb");
+	if (!outfile) {
+		print_err("Failed to open %s.\n", argv[1]);
+		return 3;
+	}
+	parse(cfg, outfile);
+	fclose(outfile);
+	return 0;
+}
-- 
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