--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/mlk-run/main.c	Thu Oct 14 12:52:41 2021 +0200
@@ -0,0 +1,144 @@
+/*
+ * main.c -- main mlk-run file
+ *
+ * Copyright (c) 2020-2021 David Demelier <markand@malikania.fr>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <duktape.h>
+
+#include <core/panic.h>
+#include <core/vfs-directory.h>
+#include <core/vfs-zip.h>
+#include <core/vfs.h>
+
+#include <core/js-window.h>
+
+/* VFS loader to support zip and directories when loading game. */
+static struct vfs vfs;
+
+/* Javascript context. */
+static duk_context *ctx;
+
+static void
+core_bind(duk_context *ctx)
+{
+	js_window_bind(ctx);
+}
+
+static void
+init(void)
+{
+	/* TODO: this is temporary. */
+	if (core_init("fr.malikania", "mlk-run") < 0)
+		panic();
+
+	/* Fireup Javascript. */
+	ctx = duk_create_heap_default();
+	core_bind(ctx);
+}
+
+static char *
+extract(struct vfs_file *file)
+{
+	FILE *fp;
+	char *out, buf[BUFSIZ];
+	size_t len, nr;
+
+	if (!(fp = open_memstream(&out, &len)))
+		panic();
+
+	while ((nr = vfs_file_read(file, buf, sizeof (buf))) > 0)
+		if (fwrite(buf, 1, nr, fp) <= 0)
+			panic();
+
+	fclose(fp);
+
+	return out;
+}
+
+static void
+startup(void)
+{
+	struct vfs_file main;
+	char *code;
+
+	if (vfs_open(&vfs, &main, "main.js", "r") < 0)
+		panic();
+
+	code = extract(&main);
+	vfs_file_finish(&main);
+
+	if (duk_peval_string(ctx, code))
+		panicf("%s", duk_safe_to_string(ctx, -1));
+
+	free(code);
+}
+
+static void
+finish(void)
+{
+	vfs_finish(&vfs);
+	duk_destroy_heap(ctx);
+}
+
+static void
+loadzip(const char *path)
+{
+	if (vfs_zip(&vfs, path, "r") < 0)
+		panic();
+}
+
+static void
+loaddirectory(const char *path)
+{
+	vfs_directory(&vfs, path);
+}
+
+static void
+load(const char *path)
+{
+	/* TODO: improve this. */
+	if (strstr(path, ".mlk"))
+		loadzip(path);
+	else
+		loaddirectory(path);
+
+	startup();
+}
+
+static void
+run(int argc, char **argv)
+{
+	if (argc < 0) {
+		fprintf(stderr, "usage: mlk-run game\n");
+		exit(1);
+	}
+
+	load(argv[0]);
+}
+
+int
+main(int argc, char **argv)
+{
+	--argc;
+	++argv;
+
+	init();
+	run(argc, argv);
+	finish();
+}