Changeset - r3626:e3e02bed72be
[Not reviewed]
master
0 1 0
Darkvater - 18 years ago 2006-04-22 12:53:35
darkvater@openttd.org
(svn r4525) - Codechange: Do a little cleanup; also fix a typo while here: _old_vehicle_multipler should be _old_vehicle_multiplier
1 file changed with 52 insertions and 51 deletions:
0 comments (0 inline, 0 general)
oldloader.c
Show inline comments
 
@@ -166,16 +166,13 @@ static bool LoadChunk(LoadgameState *ls,
 
		ptr = chunk->ptr;
 

	
 
		for (i = 0; i < chunk->amount; i++) {
 
			if (ls->failed)
 
				return false;
 
			if (ls->failed) return false;
 

	
 
			/* Handle simple types */
 
			if ((chunk->type & 0xFF) != 0) {
 
				switch (chunk->type & 0xFF) {
 
					case OC_NULL:
 
						/* Just read the byte and forget about it */
 
						ReadByte(ls);
 
						break;
 
					/* Just read the byte and forget about it */
 
					case OC_NULL: ReadByte(ls); break;
 

	
 
					case OC_CHUNK:
 
						/* Call function, with 'i' as parameter to tell which item we
 
@@ -185,11 +182,7 @@ static bool LoadChunk(LoadgameState *ls,
 

	
 
					case OC_ASSERT:
 
						DEBUG(oldloader, 4)("[OldLoader] Assert point: %x / %x", ls->total_read, chunk->offset + _bump_assert_value);
 
						if (ls->total_read != chunk->offset + _bump_assert_value) {
 
							ls->failed = true;
 
						}
 
						break;
 

	
 
						if (ls->total_read != chunk->offset + _bump_assert_value) ls->failed = true;
 
				}
 
			} else {
 
				uint32 res = 0;
 
@@ -395,7 +388,7 @@ static void FixOldVehicles(void)
 
	Vehicle* v;
 

	
 
	FOR_ALL_VEHICLES(v) {
 
		Vehicle* u;
 
		Vehicle *u;
 

	
 
		if (v->type == 0) continue;
 

	
 
@@ -445,7 +438,7 @@ extern TileIndex _animated_tile_list[256
 
extern char _name_array[512][32];
 
extern uint16 _custom_sprites_base;
 

	
 
static byte   _old_vehicle_multipler;
 
static byte   _old_vehicle_multiplier;
 
static uint8  _old_map3[OLD_MAP_SIZE * 2];
 
static bool   _new_ttdpatch_format;
 
static uint32 _old_town_index;
 
@@ -461,17 +454,17 @@ static void ReadTTDPatchFlags(void)
 
	_read_ttdpatch_flags = true;
 

	
 
	/* TTDPatch misuses _old_map3 for flags.. read them! */
 
	_old_vehicle_multipler = _old_map3[0];
 
	_old_vehicle_multiplier = _old_map3[0];
 
	/* Somehow.... there was an error in some savegames, so 0 becomes 1
 
	and 1 becomes 2. The rest of the values are okay */
 
	if (_old_vehicle_multipler < 2) _old_vehicle_multipler++;
 
	if (_old_vehicle_multiplier < 2) _old_vehicle_multiplier++;
 

	
 
	/* TTDPatch incraeses the Vehicle-part in the middle of the game,
 
	so if the multipler is anything else but 1, the assert fails..
 
	bump the assert value so it doesn't!
 
	(1 multipler == 850 vehicles
 
	1 vehicle   == 128 bytes */
 
	_bump_assert_value = (_old_vehicle_multipler - 1) * 850 * 128;
 
	_bump_assert_value = (_old_vehicle_multiplier - 1) * 850 * 128;
 

	
 
	/* Check if we have a modern TTDPatch savegame (has extra data all around) */
 
	_new_ttdpatch_format = (memcmp(&_old_map3[0x1FFFA], "TTDp", 4) == 0);
 
@@ -483,7 +476,7 @@ static void ReadTTDPatchFlags(void)
 
	if (_new_ttdpatch_format)
 
		DEBUG(oldloader, 1)("[OldLoader] Found TTDPatch game");
 

	
 
	DEBUG(oldloader, 1)("[OldLoader] Vehicle-multipler is set to %d (%d vehicles)", _old_vehicle_multipler, _old_vehicle_multipler * 850);
 
	DEBUG(oldloader, 1)("[OldLoader] Vehicle-multiplier is set to %d (%d vehicles)", _old_vehicle_multiplier, _old_vehicle_multiplier * 850);
 
}
 

	
 
static const OldChunks town_chunk[] = {
 
@@ -552,13 +545,13 @@ static const OldChunks order_chunk[] = {
 
	OCL_VAR ( OC_UINT16,   1, &_old_order ),
 
	OCL_END()
 
};
 

	
 
static bool LoadOldOrder(LoadgameState *ls, int num)
 
{
 
	if (!AddBlockIfNeeded(&_order_pool, num))
 
		error("Orders: failed loading savegame: too many orders");
 

	
 
	if (!LoadChunk(ls, NULL, order_chunk))
 
		return false;
 
	if (!LoadChunk(ls, NULL, order_chunk)) return false;
 

	
 
	AssignOrder(GetOrder(num), UnpackOldOrder(_old_order));
 

	
 
@@ -576,13 +569,13 @@ static const OldChunks depot_chunk[] = {
 
	OCL_VAR ( OC_UINT32,   1, &_old_town_index ),
 
	OCL_END()
 
};
 

	
 
static bool LoadOldDepot(LoadgameState *ls, int num)
 
{
 
	if (!AddBlockIfNeeded(&_depot_pool, num))
 
		error("Depots: failed loading savegame: too many depots");
 

	
 
	if (!LoadChunk(ls, GetDepot(num), depot_chunk))
 
		return false;
 
	if (!LoadChunk(ls, GetDepot(num), depot_chunk)) return false;
 

	
 
	if (GetDepot(num)->xy != 0) {
 
		GetDepot(num)->town_index = REMAP_TOWN_IDX(_old_town_index);
 
@@ -598,10 +591,10 @@ static const OldChunks price_chunk[] = {
 
	OCL_VAR ( OC_UINT16,   1, &_old_price_frac ),
 
	OCL_END()
 
};
 

	
 
static bool LoadOldPrice(LoadgameState *ls, int num)
 
{
 
	if (!LoadChunk(ls, NULL, price_chunk))
 
		return false;
 
	if (!LoadChunk(ls, NULL, price_chunk)) return false;
 

	
 
	/* We use a struct to store the prices, but they are ints in a row..
 
	so just access the struct as an array of int32's */
 
@@ -618,10 +611,10 @@ static const OldChunks cargo_payment_rat
 
	OCL_NULL( 2 ),         // Junk
 
	OCL_END()
 
};
 

	
 
static bool LoadOldCargoPaymentRate(LoadgameState *ls, int num)
 
{
 
	if (!LoadChunk(ls, NULL, cargo_payment_rate_chunk))
 
		return false;
 
	if (!LoadChunk(ls, NULL, cargo_payment_rate_chunk)) return false;
 

	
 
	_cargo_payment_rates[num] = -_old_price;
 
	_cargo_payment_rates_frac[num] = _old_price_frac;
 
@@ -643,6 +636,7 @@ static const OldChunks goods_chunk[] = {
 

	
 
	OCL_END()
 
};
 

	
 
static bool LoadOldGood(LoadgameState *ls, int num)
 
{
 
	Station *st = GetStation(_current_station_id);
 
@@ -761,6 +755,7 @@ static const OldChunks industry_chunk[] 
 

	
 
	OCL_END()
 
};
 

	
 
static bool LoadOldIndustry(LoadgameState *ls, int num)
 
{
 
	Industry *i;
 
@@ -769,8 +764,7 @@ static bool LoadOldIndustry(LoadgameStat
 
		error("Industries: failed loading savegame: too many industries");
 

	
 
	i = GetIndustry(num);
 
	if (!LoadChunk(ls, i, industry_chunk))
 
		return false;
 
	if (!LoadChunk(ls, i, industry_chunk)) return false;
 

	
 
	if (i->xy != 0) {
 
		i->town = GetTown(REMAP_TOWN_IDX(_old_town_index));
 
@@ -787,14 +781,14 @@ static const OldChunks player_yearly_chu
 
	OCL_VAR(  OC_INT32,   1, &_old_yearly ),
 
	OCL_END()
 
};
 

	
 
static bool OldPlayerYearly(LoadgameState *ls, int num)
 
{
 
	int i;
 
	Player *p = GetPlayer(_current_player_id);
 

	
 
	for (i = 0; i < 13; i++) {
 
		if (!LoadChunk(ls, NULL, player_yearly_chunk))
 
			return false;
 
		if (!LoadChunk(ls, NULL, player_yearly_chunk)) return false;
 

	
 
		p->yearly_expenses[num][i] = _old_yearly;
 
	}
 
@@ -811,21 +805,20 @@ static const OldChunks player_economy_ch
 

	
 
	OCL_END()
 
};
 

	
 
static bool OldPlayerEconomy(LoadgameState *ls, int num)
 
{
 
	int i;
 
	Player *p = GetPlayer(_current_player_id);
 

	
 
	if (!LoadChunk(ls, &p->cur_economy, player_economy_chunk))
 
		return false;
 
	if (!LoadChunk(ls, &p->cur_economy, player_economy_chunk)) return false;
 

	
 
	/* Don't ask, but the number in TTD(Patch) are inversed to OpenTTD */
 
	p->cur_economy.income   = -p->cur_economy.income;
 
	p->cur_economy.expenses = -p->cur_economy.expenses;
 

	
 
	for (i = 0; i < 24; i++) {
 
		if (!LoadChunk(ls, &p->old_economy[i], player_economy_chunk))
 
			return false;
 
		if (!LoadChunk(ls, &p->old_economy[i], player_economy_chunk)) return false;
 

	
 
		p->old_economy[i].income   = -p->old_economy[i].income;
 
		p->old_economy[i].expenses = -p->old_economy[i].expenses;
 
@@ -850,6 +843,7 @@ static const OldChunks player_ai_build_r
 

	
 
	OCL_END()
 
};
 

	
 
static bool OldLoadAIBuildRec(LoadgameState *ls, int num)
 
{
 
	Player *p = GetPlayer(_current_player_id);
 
@@ -965,6 +959,7 @@ static const OldChunks player_ai_chunk[]
 

	
 
	OCL_END()
 
};
 

	
 
static bool OldPlayerAI(LoadgameState *ls, int num)
 
{
 
	Player *p = GetPlayer(_current_player_id);
 
@@ -1020,8 +1015,7 @@ static bool LoadOldPlayer(LoadgameState 
 

	
 
	_current_player_id = num;
 

	
 
	if (!LoadChunk(ls, p, player_chunk))
 
		return false;
 
	if (!LoadChunk(ls, p, player_chunk)) return false;
 

	
 
	p->name_1 = RemapOldStringID(_old_string_id);
 
	p->president_name_1 = RemapOldStringID(_old_string_id_2);
 
@@ -1076,6 +1070,7 @@ static const OldChunks vehicle_train_chu
 

	
 
	OCL_END()
 
};
 

	
 
static const OldChunks vehicle_road_chunk[] = {
 
	OCL_SVAR(  OC_UINT8, VehicleRoad, state ),
 
	OCL_SVAR(  OC_UINT8, VehicleRoad, frame ),
 
@@ -1089,6 +1084,7 @@ static const OldChunks vehicle_road_chun
 

	
 
	OCL_END()
 
};
 

	
 
static const OldChunks vehicle_ship_chunk[] = {
 
	OCL_SVAR(  OC_UINT8, VehicleShip, state ),
 

	
 
@@ -1096,6 +1092,7 @@ static const OldChunks vehicle_ship_chun
 

	
 
	OCL_END()
 
};
 

	
 
static const OldChunks vehicle_air_chunk[] = {
 
	OCL_SVAR(  OC_UINT8, VehicleAir, pos ),
 
	OCL_SVAR(  OC_FILE_U8 | OC_VAR_U16, VehicleAir, targetairport ),
 
@@ -1106,6 +1103,7 @@ static const OldChunks vehicle_air_chunk
 

	
 
	OCL_END()
 
};
 

	
 
static const OldChunks vehicle_special_chunk[] = {
 
	OCL_SVAR( OC_UINT16, VehicleSpecial, unk0 ),
 
	OCL_SVAR(  OC_UINT8, VehicleSpecial, unk2 ),
 
@@ -1114,6 +1112,7 @@ static const OldChunks vehicle_special_c
 

	
 
	OCL_END()
 
};
 

	
 
static const OldChunks vehicle_disaster_chunk[] = {
 
	OCL_SVAR( OC_UINT16, VehicleDisaster, image_override ),
 
	OCL_SVAR( OC_UINT16, VehicleDisaster, unk2 ),
 
@@ -1122,11 +1121,13 @@ static const OldChunks vehicle_disaster_
 

	
 
	OCL_END()
 
};
 

	
 
static const OldChunks vehicle_empty_chunk[] = {
 
	OCL_NULL( 10 ), // Junk
 

	
 
	OCL_END()
 
};
 

	
 
static bool LoadOldVehicleUnion(LoadgameState *ls, int num)
 
{
 
	Vehicle *v = GetVehicle(_current_vehicle_id);
 
@@ -1233,6 +1234,7 @@ static const OldChunks vehicle_chunk[] =
 

	
 
	OCL_END()
 
};
 

	
 
static bool LoadOldVehicle(LoadgameState *ls, int num)
 
{
 
	uint i;
 
@@ -1240,17 +1242,16 @@ static bool LoadOldVehicle(LoadgameState
 
	/* Read the TTDPatch flags, because we need some info from it */
 
	ReadTTDPatchFlags();
 

	
 
	for (i = 0; i < _old_vehicle_multipler; i++) {
 
	for (i = 0; i < _old_vehicle_multiplier; i++) {
 
		Vehicle *v;
 

	
 
		_current_vehicle_id = num * _old_vehicle_multipler + i;
 
		_current_vehicle_id = num * _old_vehicle_multiplier + i;
 

	
 
		if (!AddBlockIfNeeded(&_vehicle_pool, _current_vehicle_id))
 
			error("Vehicles: failed loading savegame: too many vehicles");
 

	
 
		v = GetVehicle(_current_vehicle_id);
 
		if (!LoadChunk(ls, v, vehicle_chunk))
 
			return false;
 
		if (!LoadChunk(ls, v, vehicle_chunk)) return false;
 

	
 
		/* This should be consistent, else we have a big problem... */
 
		if (v->index != _current_vehicle_id) {
 
@@ -1279,8 +1280,7 @@ static bool LoadOldVehicle(LoadgameState
 
		v->string_id = RemapOldStringID(_old_string_id);
 

	
 
		/* Vehicle-subtype is different in TTD(Patch) */
 
		if (v->type == VEH_Special)
 
			v->subtype = v->subtype >> 1;
 
		if (v->type == VEH_Special) v->subtype = v->subtype >> 1;
 
	}
 

	
 
	return true;
 
@@ -1296,6 +1296,7 @@ static const OldChunks sign_chunk[] = {
 

	
 
	OCL_END()
 
};
 

	
 
static bool LoadOldSign(LoadgameState *ls, int num)
 
{
 
	if (!AddBlockIfNeeded(&_sign_pool, num))
 
@@ -1327,6 +1328,7 @@ static const OldChunks engine_chunk[] = 
 

	
 
	OCL_END()
 
};
 

	
 
static bool LoadOldEngine(LoadgameState *ls, int num)
 
{
 
	if (!LoadChunk(ls, GetEngine(num), engine_chunk)) return false;
 
@@ -1346,7 +1348,8 @@ static const OldChunks subsidy_chunk[] =
 

	
 
	OCL_END()
 
};
 
static bool LoadOldSubsidy(LoadgameState *ls, int num)
 

	
 
static inline bool LoadOldSubsidy(LoadgameState *ls, int num)
 
{
 
	return LoadChunk(ls, &_subsidies[num], subsidy_chunk);
 
}
 
@@ -1371,7 +1374,8 @@ static const OldChunks game_difficulty_c
 
	OCL_SVAR( OC_FILE_U16 | OC_VAR_I32, GameDifficulty, disasters ),
 
	OCL_END()
 
};
 
static bool LoadOldGameDifficulty(LoadgameState *ls, int num)
 

	
 
static inline bool LoadOldGameDifficulty(LoadgameState *ls, int num)
 
{
 
	return LoadChunk(ls, &_opt.diff, game_difficulty_chunk);
 
}
 
@@ -1401,6 +1405,7 @@ static bool LoadOldMapPart1(LoadgameStat
 

	
 
	return !ls->failed;
 
}
 

	
 
static bool LoadOldMapPart2(LoadgameState *ls, int num)
 
{
 
	uint i;
 
@@ -1415,7 +1420,6 @@ static bool LoadOldMapPart2(LoadgameStat
 
	return !ls->failed;
 
}
 

	
 

	
 
static uint32 _old_cur_town_ctr;
 
static const OldChunks main_chunk[] = {
 
	OCL_ASSERT( 0 ),
 
@@ -1532,6 +1536,7 @@ static const OldChunks main_chunk[] = {
 

	
 
	OCL_END()
 
};
 

	
 
static bool LoadOldMain(LoadgameState *ls)
 
{
 
	int i;
 
@@ -1617,17 +1622,13 @@ bool LoadOldSaveGame(const char *file)
 

	
 
void GetOldSaveGameName(char *title, const char *file)
 
{
 
	FILE *f;
 

	
 
	f = fopen(file, "rb");
 
	FILE *f = fopen(file, "rb");
 
	title[0] = 0;
 
	title[48] = 0;
 

	
 
	if (f == NULL)
 
		return;
 
	if (f == NULL) return;
 

	
 
	if (fread(title, 1, 48, f) != 48)
 
		snprintf(title, 48, "Corrupt file");
 
	if (fread(title, 1, 48, f) != 48) snprintf(title, 48, "Corrupt file");
 

	
 
	fclose(f);
 
}
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