void Map_Init()
{
Camera_Position.x = 0;
Camera_Position.y = 0;
Map_Load();
Map_UpdateAllTiles();
}
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) != '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) != 'SCEN') return false;
position = ftell(fp);
/* Find the 'INFO' chunk, as it contains the savegame version */
version = 0;
length = Load_FindChunk(fp, 'INFO');
if (length == 0) return false;
/* Read the savegame version */
if (fread(&version, sizeof(uint16), 1, fp) != 1) 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, '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) {
if (fread(&length, sizeof(uint32), 1, fp) != 1) return false;
length = BETOH32(length);
switch (BETOH32(header)) {
case 'NAME': break; /* 'NAME' chunk is of no interest to us */
case 'INFO': break; /* 'INFO' chunk is already read */
case 'MAP ': if (!Map_Load (fp, length)) return false; break;
case 'PLYR': if (!House_Load (fp, length)) return false; break;
case 'UNIT': if (!Unit_Load (fp, length)) return false; break;
case 'BLDG': if (!Structure_Load(fp, length)) return false; break;
case 'TEAM': if (!Team_Load (fp, length)) return false; break;
case 'ODUN': if (!UnitNew_Load (fp, length)) return false; break;
default:
Error("Unknown chunk in savegame: %c%c%c%c (length: %d). Skipped.\n", header, header >> 8, header >> 16, header >> 24, length);
break;
}
/* Savegames are word aligned */
position += length + 8 + (length & 1);
fseek(fp, position, SEEK_SET);
}
return true;
}