Function Load_Main

src/load.c:47–129

}

static bool Load_Main(FILE *fp)
{
	uint32 position;
	uint32 length;
	uint32 header;
	uint16 version;

	/* All OpenDUNE / Dune2 savegames should start with 'FORM' */
	if (fread(&header, sizeof(uint32), 1, fp) != 1) return false;
	if (BETOH32(header) != CC_FORM) {
		Error("Invalid magic header in savegame. Not an OpenDUNE / Dune2 savegame.");
		return false;
	}

	/* The total length field, which is ignored */
	if (fread(&length, sizeof(uint32), 1, fp) != 1) return false;

	/* The next 'chunk' is fake, and has no length field */
	if (fread(&header, sizeof(uint32), 1, fp) != 1) return false;
	if (BETOH32(header) != CC_SCEN) return false;

	position = ftell(fp);

	/* Find the 'INFO' chunk, as it contains the savegame version */
	version = 0;
	length = Load_FindChunk(fp, CC_INFO);
	if (length == 0) return false;

	/* Read the savegame version */
	if (!fread_le_uint16(&version, fp)) return false;
	length -= 2;
	if (version == 0) return false;

	if (version != 0x0290) {
		/* Get the scenarioID / campaignID */
		if (!Info_LoadOld(fp, length)) return false;

		g_gameMode = GM_RESTART;

		/* Find the 'PLYR' chunk */
		fseek(fp, position, SEEK_SET);
		length = Load_FindChunk(fp, CC_PLYR);
		if (length == 0) return false;

		/* Find the human player */
		if (!House_LoadOld(fp, length)) return false;

		GUI_DisplayModalMessage(String_Get_ByIndex(STR_WARNING_ORIGINAL_SAVED_GAMES_ARE_INCOMPATABLE_WITH_THE_NEW_VERSION_THE_BATTLE_WILL_BE_RESTARTED), 0xFFFF);

		return true;
	}

	/* Load the 'INFO' chunk'. It has to be the first chunk loaded */
	if (!Info_Load(fp, length)) return false;

	/* Rewind, and read other chunks */
	fseek(fp, position, SEEK_SET);
	while (fread(&header, sizeof(uint32), 1, fp) == 1) {