Function ExtractFrom

src/TexturePack.c:541–583

static cc_bool needReload;
static cc_result ExtractFrom(struct Stream* stream, const cc_string* path) {
#if CC_BUILD_MAXSTACK <= (32 * 1024)
	struct ZipEntry* entries = (struct ZipEntry*)Mem_TryAllocCleared(512, sizeof(struct ZipEntry));
#else
	struct ZipEntry entries[512];
#endif
	cc_result res;
#if CC_BUILD_MAXSTACK <= (32 * 1024)
	if (!entries) return ERR_OUT_OF_MEMORY;
#endif

	Event_RaiseVoid(&TextureEvents.PackChanged);
	/* If context is lost, then trying to load textures will just fail */
	/* So defer loading the texture pack until context is restored */
	if (Gfx.LostContext) {
		needReload = true;
		res = 0;
		goto ret;
	}
	needReload = false;

	res = ExtractPng(stream);
	if (res == PNG_ERR_INVALID_SIG) {
		/* file isn't a .png image, probably a .zip archive then */

#if CC_BUILD_MAXSTACK <= (32 * 1024)
		res = Zip_Extract(stream, SelectZipEntry, ProcessZipEntry,
							entries, 512);
#else
		res = Zip_Extract(stream, SelectZipEntry, ProcessZipEntry,
							entries, Array_Elems(entries));
#endif

		if (res) Logger_SysWarn2(res, "extracting", path);
	} else if (res) {
		Logger_SysWarn2(res, "decoding", path);
	}
	ret:
#if CC_BUILD_MAXSTACK <= (32 * 1024)
	Mem_Free(entries);
#endif
	return res;
}

#if defined CC_BUILD_PS1 || defined CC_BUILD_SATURN
/* Load hardcoded texture pack */