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(svn r20377) -Feature: [NewGRF] prop 0x0A tile layout for airports

This commit is contained in:
yexo 2010-08-05 12:10:22 +00:00
parent a3a24f4c68
commit d00cf48323
1 changed files with 74 additions and 0 deletions
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74
src/newgrf.cpp
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@ -2779,6 +2779,80 @@ static ChangeInfoResult AirportChangeInfo(uint airport, int numinfo, int prop, B
break;
}
case 0x0A: { // Set airport layout
as->num_table = buf->ReadByte(); // Number of layaouts
as->rotation = MallocT<Direction>(as->num_table);
uint32 defsize = buf->ReadDWord(); // Total size of the definition
AirportTileTable **tile_table = CallocT<AirportTileTable*>(as->num_table); // Table with tiles to compose the airport
AirportTileTable *att = CallocT<AirportTileTable>(defsize); // Temporary array to read the tile layouts from the GRF
int size;
const AirportTileTable *copy_from;
try {
for (byte j = 0; j < as->num_table; j++) {
as->rotation[j] = (Direction)buf->ReadByte();
for (int k = 0;; k++) {
att[k].ti.x = buf->ReadByte(); // Offsets from northermost tile
att[k].ti.y = buf->ReadByte();
if (att[k].ti.x == 0 && att[k].ti.y == 0x80) {
/* Not the same terminator. The one we are using is rather
x= -80, y = 0 . So, adjust it. */
att[k].ti.x = -0x80;
att[k].ti.y = 0;
att[k].gfx = 0;
size = k + 1;
copy_from = att;
break;
}
att[k].gfx = buf->ReadByte();
if (att[k].gfx == 0xFE) {
/* Use a new tile from this GRF */
int local_tile_id = buf->ReadWord();
/* Read the ID from the _airporttile_mngr. */
uint16 tempid = _airporttile_mngr.GetID(local_tile_id, _cur_grffile->grfid);
if (tempid == INVALID_AIRPORTTILE) {
grfmsg(2, "AirportChangeInfo: Attempt to use airport tile %u with airport id %u, not yet defined. Ignoring.", local_tile_id, airport + i);
} else {
/* Declared as been valid, can be used */
att[k].gfx = tempid;
size = k + 1;
copy_from = att;
}
} else if (att[k].gfx == 0xFF) {
att[k].ti.x = (int8)GB(att[k].ti.x, 0, 8);
att[k].ti.y = (int8)GB(att[k].ti.y, 0, 8);
}
if (as->rotation[j] == DIR_E || as->rotation[j] == DIR_W) {
as->size_x = max<byte>(as->size_x, att[k].ti.y + 1);
as->size_y = max<byte>(as->size_y, att[k].ti.x + 1);
} else {
as->size_x = max<byte>(as->size_x, att[k].ti.x + 1);
as->size_y = max<byte>(as->size_y, att[k].ti.y + 1);
}
}
tile_table[j] = CallocT<AirportTileTable>(size);
memcpy(tile_table[j], copy_from, sizeof(*copy_from) * size);
}
/* Install final layout construction in the airport spec */
as->table = tile_table;
free(att);
} catch (...) {
for (int i = 0; i < as->num_table; i++) {
free(tile_table[i]);
}
free(tile_table);
free(att);
throw;
}
break;
}
case 0x0C:
as->min_year = buf->ReadWord();
as->max_year = buf->ReadWord();