diff options
Diffstat (limited to 'station_cmd.c')
| -rw-r--r-- | station_cmd.c | 72 |
1 files changed, 69 insertions, 3 deletions
diff --git a/station_cmd.c b/station_cmd.c index da83d893e..d8181610a 100644 --- a/station_cmd.c +++ b/station_cmd.c @@ -1006,15 +1006,81 @@ struct StationSpec *GetCustomStation(uint32 classid, byte stid) return &_waypoint_data[stid]; } +static struct RealSpriteGroup * +ResolveStationSpriteGroup(struct SpriteGroup *spritegroup, struct Station *stat) +{ + switch (spritegroup->type) { + case SGT_REAL: + return &spritegroup->g.real; + + case SGT_DETERMINISTIC: { + struct DeterministicSpriteGroup *dsg = &spritegroup->g.determ; + struct SpriteGroup *target; + int value = -1; + + if ((dsg->variable >> 6) == 0) { + /* General property */ + value = GetDeterministicSpriteValue(dsg->variable); + + } else { + /* Station-specific property. */ + if (dsg->var_scope == VSG_SCOPE_PARENT) { + /* TODO: Town structure. */ + + } else /* VSG_SELF */ { + if (dsg->variable == 0x40 + || dsg->variable == 0x41) { + /* FIXME: This is ad hoc only + * for waypoints. */ + value = 0x01010000; + } else { + /* TODO: Only small fraction done. */ + // 0x80 + offset - 0x10 + switch (dsg->variable - 0x70) { + case 0x80: + if (stat) value = stat->facilities; + break; + case 0x81: + if (stat) value = stat->airport_type; + break; + case 0x82: + if (stat) value = stat->truck_stop_status; + break; + case 0x83: + if (stat) value = stat->bus_stop_status; + break; + case 0x86: + if (stat) value = stat->airport_flags & 0xFFFF; + break; + case 0x87: + if (stat) value = (stat->airport_flags >> 8) & 0xFF; + break; + case 0x8A: + if (stat) value = stat->build_date; + break; + } + } + } + } + + target = value != -1 ? EvalDeterministicSpriteGroup(dsg, value) : dsg->default_group; + return ResolveStationSpriteGroup(target, stat); + } + + default: + case SGT_RANDOM: + error("I don't know how to handle random spritegroups yet!"); + return NULL; + } +} + uint32 GetCustomStationRelocation(struct StationSpec *spec, struct Station *stat, byte ctype) { struct RealSpriteGroup *rsg; assert(spec->classid == 'WAYP'); - /* In the future, variational spritegroups will kick in through this - * accessor, using @stat. */ - rsg = TriviallyGetRSG(&spec->spritegroup[ctype]); + rsg = ResolveStationSpriteGroup(&spec->spritegroup[ctype], stat); if (rsg->sprites_per_set != 0) { if (rsg->loading_count != 0) { |