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authorfrosch <frosch@openttd.org>2012-02-07 22:48:09 +0000
committerfrosch <frosch@openttd.org>2012-02-07 22:48:09 +0000
commita16389ab0639da966ab283d83614f389d46523c0 (patch)
treebce495d56db733d2013699a4015382bec2ef631d /src
parentb1a3a31a8389aa90fc42c81e7b8cf7df0d7b7b31 (diff)
downloadopenttd-a16389ab0639da966ab283d83614f389d46523c0.tar.xz
(svn r23915) -Codechange: Translate refitmask directly after reading it from the GRF.
Diffstat (limited to 'src')
-rw-r--r--src/newgrf.cpp69
1 files changed, 35 insertions, 34 deletions
diff --git a/src/newgrf.cpp b/src/newgrf.cpp
index 4b422ab8d..1f52537fa 100644
--- a/src/newgrf.cpp
+++ b/src/newgrf.cpp
@@ -838,6 +838,20 @@ static bool ReadSpriteLayout(ByteReader *buf, uint num_building_sprites, bool us
}
/**
+ * Translate the refit mask.
+ */
+static uint32 TranslateRefitMask(uint32 refit_mask)
+{
+ uint32 result = 0;
+ uint8 bit;
+ FOR_EACH_SET_BIT(bit, refit_mask) {
+ CargoID cargo = GetCargoTranslation(bit, _cur.grffile, true);
+ if (cargo != CT_INVALID) SetBit(result, cargo);
+ }
+ return result;
+}
+
+/**
* Converts TTD(P) Base Price pointers into the enum used by OTTD
* See http://wiki.ttdpatch.net/tiki-index.php?page=BaseCosts
* @param base_pointer TTD(P) Base Price Pointer
@@ -1097,11 +1111,13 @@ static ChangeInfoResult RailVehicleChangeInfo(uint engine, int numinfo, int prop
ei->refit_cost = buf->ReadByte();
break;
- case 0x1D: // Refit cargo
- ei->refit_mask = buf->ReadDWord();
- _gted[e->index].UpdateRefittability(ei->refit_mask != 0);
+ case 0x1D: { // Refit cargo
+ uint32 mask = buf->ReadDWord();
+ _gted[e->index].UpdateRefittability(mask != 0);
+ ei->refit_mask = TranslateRefitMask(mask);
_gted[e->index].refitmask_grf = _cur.grffile;
break;
+ }
case 0x1E: // Callback
ei->callback_mask = buf->ReadByte();
@@ -1284,11 +1300,13 @@ static ChangeInfoResult RoadVehicleChangeInfo(uint engine, int numinfo, int prop
_gted[e->index].rv_max_speed = buf->ReadByte();
break;
- case 0x16: // Cargoes available for refitting
- ei->refit_mask = buf->ReadDWord();
- _gted[e->index].UpdateRefittability(ei->refit_mask != 0);
+ case 0x16: { // Cargoes available for refitting
+ uint32 mask = buf->ReadDWord();
+ _gted[e->index].UpdateRefittability(mask != 0);
+ ei->refit_mask = TranslateRefitMask(mask);
_gted[e->index].refitmask_grf = _cur.grffile;
break;
+ }
case 0x17: // Callback mask
ei->callback_mask = buf->ReadByte();
@@ -1447,11 +1465,13 @@ static ChangeInfoResult ShipVehicleChangeInfo(uint engine, int numinfo, int prop
svi->sfx = buf->ReadByte();
break;
- case 0x11: // Cargoes available for refitting
- ei->refit_mask = buf->ReadDWord();
- _gted[e->index].UpdateRefittability(ei->refit_mask != 0);
+ case 0x11: { // Cargoes available for refitting
+ uint32 mask = buf->ReadDWord();
+ _gted[e->index].UpdateRefittability(mask != 0);
+ ei->refit_mask = TranslateRefitMask(mask);
_gted[e->index].refitmask_grf = _cur.grffile;
break;
+ }
case 0x12: // Callback mask
ei->callback_mask = buf->ReadByte();
@@ -1603,11 +1623,13 @@ static ChangeInfoResult AircraftVehicleChangeInfo(uint engine, int numinfo, int
avi->sfx = buf->ReadByte();
break;
- case 0x13: // Cargoes available for refitting
- ei->refit_mask = buf->ReadDWord();
- _gted[e->index].UpdateRefittability(ei->refit_mask != 0);
+ case 0x13: { // Cargoes available for refitting
+ uint32 mask = buf->ReadDWord();
+ _gted[e->index].UpdateRefittability(mask != 0);
+ ei->refit_mask = TranslateRefitMask(mask);
_gted[e->index].refitmask_grf = _cur.grffile;
break;
+ }
case 0x14: // Callback mask
ei->callback_mask = buf->ReadByte();
@@ -8069,7 +8091,7 @@ static void CalculateRefitMasks()
if (_gted[engine].refittability != GRFTempEngineData::UNSET) {
uint32 mask = 0;
uint32 not_mask = 0;
- uint32 xor_mask = 0;
+ uint32 xor_mask = ei->refit_mask;
/* If the original masks set by the grf are zero, the vehicle shall only carry the default cargo.
* Note: After applying the translations, the vehicle may end up carrying no defined cargo. It becomes unavailable in that case. */
@@ -8081,27 +8103,6 @@ static void CalculateRefitMasks()
cargo_map_for_first_refittable = file->cargo_map;
}
- if (ei->refit_mask != 0) {
- if (file != NULL && file->cargo_max != 0) {
- /* Apply cargo translation table to the refit mask */
- uint num_cargo = min(32, file->cargo_max);
- for (uint i = 0; i < num_cargo; i++) {
- if (!HasBit(ei->refit_mask, i)) continue;
-
- CargoID c = GetCargoIDByLabel(file->cargo_list[i]);
- if (c == CT_INVALID) continue;
-
- SetBit(xor_mask, c);
- }
- } else {
- /* No cargo table, so use the cargo bitnum values */
- const CargoSpec *cs;
- FOR_ALL_CARGOSPECS(cs) {
- if (HasBit(ei->refit_mask, cs->bitnum)) SetBit(xor_mask, cs->Index());
- }
- }
- }
-
if (_gted[engine].cargo_allowed != 0) {
/* Build up the list of cargo types from the set cargo classes. */
const CargoSpec *cs;