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-rw-r--r--oldloader.c3
-rw-r--r--vehicle.c20
-rw-r--r--vehicle.h3
3 files changed, 24 insertions, 2 deletions
diff --git a/oldloader.c b/oldloader.c
index 32e8e0abe..522d3ec70 100644
--- a/oldloader.c
+++ b/oldloader.c
@@ -1400,7 +1400,8 @@ bool LoadOldSaveGame(const char *file)
}
}
- memcpy(_order_array, m->order_list, sizeof(m->order_list));
+ for (i = 0; i < lengthof(m->order_list); ++i)
+ _order_array[i] = UnpackOldOrder(m->order_list[i]);
_ptr_to_next_order = _order_array + REMAP_ORDER_IDX(m->ptr_to_next_order);
FixTown(_towns, m->town_list, lengthof(m->town_list), m->town_name_type);
diff --git a/vehicle.c b/vehicle.c
index 003eca6c4..ceb164407 100644
--- a/vehicle.c
+++ b/vehicle.c
@@ -16,6 +16,24 @@
#define GEN_HASH(x,y) (((x & 0x1F80)>>7) + ((y & 0xFC0)))
+Order UnpackOldOrder(uint16 packed)
+{
+ Order order;
+ order.type = (packed & 0x000f);
+ order.flags = (packed & 0x00f0) >> 4,
+ order.station = (packed & 0xff00) >> 8;
+
+ // Sanity check
+ // TTD stores invalid orders as OT_NOTHING with non-zero flags/station
+ if (order.type == OT_NOTHING && (order.flags != 0 || order.station != 0)) {
+ order.type = OT_DUMMY;
+ order.flags = 0;
+ }
+
+ return order;
+}
+
+
void VehicleInTheWayErrMsg(Vehicle *v)
{
StringID id;
@@ -1896,7 +1914,7 @@ static void Load_ORDR()
SlArray(orders, len, SLE_UINT16);
for (i = 0; i < len; ++i)
- _order_array[i] = UnpackOrder(orders[i]);
+ _order_array[i] = UnpackOldOrder(orders[i]);
}
const ChunkHandler _veh_chunk_handlers[] = {
diff --git a/vehicle.h b/vehicle.h
index 178a77635..b1d474d6b 100644
--- a/vehicle.h
+++ b/vehicle.h
@@ -28,6 +28,9 @@ static inline Order UnpackOrder(uint16 packed)
return order;
}
+Order UnpackOldOrder(uint16 packed);
+
+
typedef struct VehicleRail {
uint16 last_speed; // NOSAVE: only used in UI
uint16 crash_anim_pos;