(svn r4166) Sprinkle several map accessors with assert()s

1 files changed, 6 insertions, 2 deletions

diff --git a/industry_map.h b/industry_map.h
index f42d11833..3726b619c 100644
--- a/industry_map.h
+++ b/industry_map.h
@@ -7,6 +7,7 @@
 
 static inline uint GetIndustryIndex(TileIndex t)
 {
+	assert(IsTileType(t, MP_INDUSTRY));
 	return _m[t].m2;
 }
 
@@ -16,19 +17,22 @@ static inline Industry* GetIndustryByTile(TileIndex t)
 }
 
 
-static inline bool IsIndustryCompleted(TileIndex tile)
+static inline bool IsIndustryCompleted(TileIndex t)
 {
-	return HASBIT(_m[tile].m1, 7);
+	assert(IsTileType(t, MP_INDUSTRY));
+	return HASBIT(_m[t].m1, 7);
 }
 
 
 static inline uint GetIndustryGfx(TileIndex t)
 {
+	assert(IsTileType(t, MP_INDUSTRY));
 	return _m[t].m5;
 }
 
 static inline void SetIndustryGfx(TileIndex t, uint gfx)
 {
+	assert(IsTileType(t, MP_INDUSTRY));
 	_m[t].m5 = gfx;
 }