cpp/openttd-patchpack/source Changeset - r1432:3002f37ab682

Changeset - r1432:3002f37ab682

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tron - 20 years ago 2005-03-06 12:41:18
tron@openttd.org

(svn r1936) End some void-pointer-as-int-abuse; this also fixes a latent bug where a TileIndex was only 24bit wide (on 32bit architectures)

1 file changed with 20 insertions and 8 deletions:

train_cmd.c

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train_cmd.c

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@@ @@ -2368,16 +2368,23 @@ static void CheckTrainCollision(Vehicle @@
 	SndPlayVehicleFx(SND_13_BIG_CRASH, v);
+}
 typedef struct VehicleAtSignalData {
 	TileIndex tile;
 	byte direction;
 } VehicleAtSignalData;
 static void *CheckVehicleAtSignal(Vehicle *v, void *data)
+{
 	uint32 d = (uint32)data;
 	if (v->type == VEH_Train && v->subtype == TS_Front_Engine && v->tile == (TileIndex)(d >> 8)) {
 		byte diff = (v->direction - (byte)d + 2) & 7;
 	const VehicleAtSignalData* vasd = data;
 	if (v->type == VEH_Train && v->subtype == TS_Front_Engine &&
 			v->tile == vasd->tile) {
 		byte diff = (v->direction - vasd->direction + 2) & 7;
 		if (diff == 2 || (v->cur_speed <= 5 && diff <= 4))
-			return (void*)1;
+			return v;
+	}
-	return 0;
+	return NULL;
+}
 static void TrainController(Vehicle *v)
@@ @@ -2581,9 +2588,14 @@ red_light: { @@
 			v->subspeed = 0;
 			v->progress = 255-10;
 			if (++v->load_unload_time_rem < _patches.wait_twoway_signal * 73) {
 				uint o_tile = gp.new_tile + TileOffsByDir(enterdir);
 				TileIndex o_tile = gp.new_tile + TileOffsByDir(enterdir);
 				VehicleAtSignalData vasd = {
 					o_tile,
 					dir ^ 4
 				};
 				/* check if a train is waiting on the other side */
-				if (VehicleFromPos(o_tile, (void*)( (o_tile<<8) | (dir^4)), (VehicleFromPosProc*)CheckVehicleAtSignal) == NULL)
+				if (VehicleFromPos(o_tile, &vasd, CheckVehicleAtSignal) == NULL)
 					return;
+			}
+		}

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