(svn r16171) -Add [NoAI]: two new error codes to AITile: ERR_AREA_ALREADY_FLAT and ERR_ESCAVATION_WOULD_DAMAGE.

src/ai/api/ai_tile.hpp

@@ -29,6 +29,12 @@ public:
 
 		/** Tile can't be lowered any lower */
 		ERR_TILE_TOO_LOW,                      // [STR_ERROR_ALREADY_AT_SEA_LEVEL]
+
+		/** The area was already flat */
+		ERR_AREA_ALREADY_FLAT,                 // [STR_ALREADY_LEVELLED]
+
+		/** There is a tunnel underneed */
+		ERR_ESCAVATION_WOULD_DAMAGE,           // [STR_ERROR_EXCAVATION_WOULD_DAMAGE]
 	};
 
 	/**

src/ai/api/ai_tile.hpp.sq

@@ -30,6 +30,8 @@ void SQAITile_Register(Squirrel *engine) {
 	SQAITile.DefSQConst(engine, AITile::ERR_TILE_BASE,               "ERR_TILE_BASE");
 	SQAITile.DefSQConst(engine, AITile::ERR_TILE_TOO_HIGH,           "ERR_TILE_TOO_HIGH");
 	SQAITile.DefSQConst(engine, AITile::ERR_TILE_TOO_LOW,            "ERR_TILE_TOO_LOW");
+	SQAITile.DefSQConst(engine, AITile::ERR_AREA_ALREADY_FLAT,       "ERR_AREA_ALREADY_FLAT");
+	SQAITile.DefSQConst(engine, AITile::ERR_ESCAVATION_WOULD_DAMAGE, "ERR_ESCAVATION_WOULD_DAMAGE");
 	SQAITile.DefSQConst(engine, AITile::CORNER_W,                    "CORNER_W");
 	SQAITile.DefSQConst(engine, AITile::CORNER_S,                    "CORNER_S");
 	SQAITile.DefSQConst(engine, AITile::CORNER_E,                    "CORNER_E");
@@ -65,9 +67,13 @@ void SQAITile_Register(Squirrel *engine) {
 
 	AIError::RegisterErrorMap(STR_ERROR_ALREADY_AT_SEA_LEVEL,    AITile::ERR_TILE_TOO_HIGH);
 	AIError::RegisterErrorMap(STR_ERROR_ALREADY_AT_SEA_LEVEL,    AITile::ERR_TILE_TOO_LOW);
+	AIError::RegisterErrorMap(STR_ALREADY_LEVELLED,              AITile::ERR_AREA_ALREADY_FLAT);
+	AIError::RegisterErrorMap(STR_ERROR_EXCAVATION_WOULD_DAMAGE, AITile::ERR_ESCAVATION_WOULD_DAMAGE);
 
 	AIError::RegisterErrorMapString(AITile::ERR_TILE_TOO_HIGH,           "ERR_TILE_TOO_HIGH");
 	AIError::RegisterErrorMapString(AITile::ERR_TILE_TOO_LOW,            "ERR_TILE_TOO_LOW");
+	AIError::RegisterErrorMapString(AITile::ERR_AREA_ALREADY_FLAT,       "ERR_AREA_ALREADY_FLAT");
+	AIError::RegisterErrorMapString(AITile::ERR_ESCAVATION_WOULD_DAMAGE, "ERR_ESCAVATION_WOULD_DAMAGE");
 
 	SQAITile.DefSQStaticMethod(engine, &AITile::IsBuildable,                "IsBuildable",                2, ".i");
 	SQAITile.DefSQStaticMethod(engine, &AITile::IsBuildableRectangle,       "IsBuildableRectangle",       4, ".iii");