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authorpeter1138 <peter1138@openttd.org>2007-02-24 23:20:21 +0000
committerpeter1138 <peter1138@openttd.org>2007-02-24 23:20:21 +0000
commitbc968d23f179b1c606989cb7d7ac32f0412db62d (patch)
tree953522568a4df36b0eb313ad9f8f22918ab8e79c
parentbee20f6abc2294317fb2a4c618efca0b0f9d38e4 (diff)
downloadopenttd-bc968d23f179b1c606989cb7d7ac32f0412db62d.tar.xz
(svn r8890) -Codechange: (NewGRF) add cargo translation support to engine var 47
-rw-r--r--src/newgrf.cpp24
-rw-r--r--src/newgrf.h1
-rw-r--r--src/newgrf_engine.cpp2
3 files changed, 26 insertions, 1 deletions
diff --git a/src/newgrf.cpp b/src/newgrf.cpp
index 41fa5f0bb..1263ea151 100644
--- a/src/newgrf.cpp
+++ b/src/newgrf.cpp
@@ -3707,6 +3707,29 @@ static void ClearTemporaryNewGRFData(void)
_cur_grffile->spritegroups_count = 0;
}
+static void BuildCargoTranslationMap()
+{
+ memset(_cur_grffile->cargo_map, 0xFF, sizeof(_cur_grffile->cargo_map));
+
+ for (CargoID c = 0; c < NUM_CARGO; c++) {
+ const CargoSpec *cs = GetCargo(c);
+ if (!cs->IsValid()) continue;
+
+ if (_cur_grffile->cargo_max == 0) {
+ /* Default translation table, so just a straight mapping to bitnum */
+ _cur_grffile->cargo_map[c] = cs->bitnum;
+ } else {
+ /* Check the translation table for this cargo's label */
+ for (uint i = 0; i < _cur_grffile->cargo_max; i++) {
+ if (cs->label == _cur_grffile->cargo_list[i]) {
+ _cur_grffile->cargo_map[c] = i;
+ break;
+ }
+ }
+ }
+ }
+}
+
static void InitNewGRFFile(const GRFConfig *config, int sprite_offset)
{
GRFFile *newfile;
@@ -4032,6 +4055,7 @@ void LoadNewGRF(uint load_index, uint file_index)
LoadNewGRFFile(c, slot++, stage);
if (stage == GLS_ACTIVATION) {
ClearTemporaryNewGRFData();
+ BuildCargoTranslationMap();
DEBUG(sprite, 2, "Currently %i sprites are loaded", _cur_spriteid);
}
}
diff --git a/src/newgrf.h b/src/newgrf.h
index 964f533ae..74a49113e 100644
--- a/src/newgrf.h
+++ b/src/newgrf.h
@@ -64,6 +64,7 @@ typedef struct GRFFile {
uint8 cargo_max;
CargoLabel *cargo_list;
+ uint8 cargo_map[NUM_CARGO];
} GRFFile;
extern GRFFile *_first_grffile;
diff --git a/src/newgrf_engine.cpp b/src/newgrf_engine.cpp
index 412c23585..27320ce61 100644
--- a/src/newgrf_engine.cpp
+++ b/src/newgrf_engine.cpp
@@ -608,7 +608,7 @@ static uint32 VehicleGetVariable(const ResolverObject *object, byte variable, by
*/
const CargoSpec *cs = GetCargo(v->cargo_type);
- return (cs->classes << 16) | (cs->weight << 8) | cs->bitnum;
+ return (cs->classes << 16) | (cs->weight << 8) | GetEngineGRF(v->engine_type)->cargo_map[v->cargo_type];
}
case 0x48: return GetVehicleTypeInfo(v->engine_type); /* Vehicle Type Info */