From 2a3ec78d9f35ad788dcaeab306f355d2e496c16d Mon Sep 17 00:00:00 2001 From: michi_cc Date: Fri, 16 Jul 2010 19:02:59 +0000 Subject: (svn r20165) -Feature: [NewGRF] Information (var 4A) about the current railtype a train is on. --- src/newgrf_engine.cpp | 7 +++++++ src/newgrf_railtype.cpp | 2 +- 2 files changed, 8 insertions(+), 1 deletion(-) (limited to 'src') diff --git a/src/newgrf_engine.cpp b/src/newgrf_engine.cpp index 9b63ff6d9..e6f4105a7 100644 --- a/src/newgrf_engine.cpp +++ b/src/newgrf_engine.cpp @@ -26,6 +26,7 @@ #include "station_base.h" #include "engine_base.h" #include "company_base.h" +#include "newgrf_railtype.h" struct WagonOverride { EngineID *train_id; @@ -644,6 +645,12 @@ static uint32 VehicleGetVariable(const ResolverObject *object, byte variable, by case 0x48: return Engine::Get(v->engine_type)->flags; // Vehicle Type Info case 0x49: return v->build_year; + case 0x4A: { + if (v->type != VEH_TRAIN) return 0; + RailType rt = GetTileRailType(v->tile); + return (HasPowerOnRail(Train::From(v)->railtype, rt) ? 0x100 : 0) | GetReverseRailTypeTranslation(rt, object->grffile); + } + /* Variables which use the parameter */ case 0x60: // Count consist's engine ID occurance //EngineID engine = GetNewEngineID(GetEngineGRF(v->engine_type), v->type, parameter); diff --git a/src/newgrf_railtype.cpp b/src/newgrf_railtype.cpp index 114f31b7c..a0d66ec03 100644 --- a/src/newgrf_railtype.cpp +++ b/src/newgrf_railtype.cpp @@ -110,7 +110,7 @@ SpriteID GetCustomRailSprite(const RailtypeInfo *rti, TileIndex tile, RailTypeSp uint8 GetReverseRailTypeTranslation(RailType railtype, const GRFFile *grffile) { /* No rail type table present, return rail type as-is */ - if (grffile->railtype_max == 0) return railtype; + if (grffile == NULL || grffile->railtype_max == 0) return railtype; /* Look for a matching rail type label in the table */ RailTypeLabel label = GetRailTypeInfo(railtype)->label; -- cgit v1.2.3-54-g00ecf