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authorfrosch <frosch@openttd.org>2021-04-30 17:35:32 +0200
committerfrosch <github@elsenhans.name>2021-05-13 23:28:43 +0200
commit9f8d0b1bee104471aff1a5e318b2a92bc235d934 (patch)
treefc0ff5fa0ae9e6eba562b07a02f1d5cc9876d056 /src/newgrf.cpp
parenta9ff296c3d608f04a14cd604a94531f5b42b2061 (diff)
downloadopenttd-9f8d0b1bee104471aff1a5e318b2a92bc235d934.tar.xz
Fix: Resolve cargo-types of default vehicles via their cargo label.
Default vehicles now behave as if they had a cargo translation table. This fixes default vehicles carrying seemingly random cargos, if NewGRF industry sets are present. This behavior is disabled, when a NewGRF touches any of the cargo-type or refitting properties. In that case it's up to the NewGRF to define its own cargo translation table.
Diffstat (limited to 'src/newgrf.cpp')
-rw-r--r--src/newgrf.cpp8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/newgrf.cpp b/src/newgrf.cpp
index 3473cbdc2..dd03e2327 100644
--- a/src/newgrf.cpp
+++ b/src/newgrf.cpp
@@ -8768,6 +8768,12 @@ static void CalculateRefitMasks()
EngineInfo *ei = &e->info;
bool only_defaultcargo; ///< Set if the vehicle shall carry only the default cargo
+ /* If the NewGRF did not set any cargo properties, we apply default cargo translation. */
+ if (_gted[engine].defaultcargo_grf == nullptr) {
+ /* Translate cargo_type using the original climate-specific cargo table. */
+ ei->cargo_type = GetDefaultCargoID(_settings_game.game_creation.landscape, static_cast<CargoType>(ei->cargo_type));
+ }
+
/* Did the newgrf specify any refitting? If not, use defaults. */
if (_gted[engine].refittability != GRFTempEngineData::UNSET) {
CargoTypes mask = 0;
@@ -8814,7 +8820,7 @@ static void CalculateRefitMasks()
}
/* Clear invalid cargoslots (from default vehicles or pre-NewCargo GRFs) */
- if (!HasBit(_cargo_mask, ei->cargo_type)) ei->cargo_type = CT_INVALID;
+ if (ei->cargo_type != CT_INVALID && !HasBit(_cargo_mask, ei->cargo_type)) ei->cargo_type = CT_INVALID;
/* Ensure that the vehicle is either not refittable, or that the default cargo is one of the refittable cargoes.
* Note: Vehicles refittable to no cargo are handle differently to vehicle refittable to a single cargo. The latter might have subtypes. */