From 82bb84d6cc45039cad147672f139931d4e453d23 Mon Sep 17 00:00:00 2001
From: peter1138 <peter1138@openttd.org>
Date: Wed, 31 May 2006 17:40:48 +0000
Subject: [PATCH] (svn r5060) - NewGRF: add support for variable 7F (retrieve
 GRF parameter) for vehicles

---
 newgrf_engine.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/newgrf_engine.c b/newgrf_engine.c
index 5460c59327..feb037f67f 100644
--- a/newgrf_engine.c
+++ b/newgrf_engine.c
@@ -627,6 +627,12 @@ static uint32 VehicleGetVariable(const ResolverObject *object, byte variable, by
 				}
 				return count;
 			}
+
+		case 0x7F: { /* Read GRF parameter */
+			const GRFFile *file = GetEngineGRF(v->engine_type);
+			if (parameter >= file->param_end) return 0;
+			return file->param[parameter];
+		}
 	}
 
 	/* General vehicle properties */