--- a/src/ai/api/ai_tunnel.hpp.sq	Mon Apr 07 18:29:12 2008 +0000
+++ b/src/ai/api/ai_tunnel.hpp.sq	Mon Apr 07 18:32:42 2008 +0000
@@ -1,6 +1,10 @@
 #include "ai_tunnel.hpp"
 
 namespace SQConvert {
+	/* Allow enums to be used as Squirrel parameters */
+	template <> AITunnel::ErrorMessages GetParam(ForceType<AITunnel::ErrorMessages>, HSQUIRRELVM vm, int index) { SQInteger tmp; sq_getinteger(vm, index, &tmp); return (AITunnel::ErrorMessages)tmp; }
+	template <> int Return<AITunnel::ErrorMessages>(HSQUIRRELVM vm, AITunnel::ErrorMessages res) { sq_pushinteger(vm, (int32)res); return 1; }
+
 	/* Allow AITunnel to be used as Squirrel parameter */
 	template <> AITunnel *GetParam(ForceType<AITunnel *>, HSQUIRRELVM vm, int index) { SQUserPointer instance; sq_getinstanceup(vm, index, &instance, 0); return  (AITunnel *)instance; }
 	template <> AITunnel &GetParam(ForceType<AITunnel &>, HSQUIRRELVM vm, int index) { SQUserPointer instance; sq_getinstanceup(vm, index, &instance, 0); return *(AITunnel *)instance; }
@@ -14,6 +18,22 @@
 	SQAITunnel.PreRegister(engine);
 	SQAITunnel.AddConstructor<void (AITunnel::*)(), 1>(engine, "x");
 
+	SQAITunnel.DefSQConst(engine, AITunnel::ERR_TUNNEL_BASE,                      "ERR_TUNNEL_BASE");
+	SQAITunnel.DefSQConst(engine, AITunnel::ERR_TUNNEL_CANNOT_BUILD_ON_WATER,     "ERR_TUNNEL_CANNOT_BUILD_ON_WATER");
+	SQAITunnel.DefSQConst(engine, AITunnel::ERR_TUNNEL_START_SITE_UNSUITABLE,     "ERR_TUNNEL_START_SITE_UNSUITABLE");
+	SQAITunnel.DefSQConst(engine, AITunnel::ERR_TUNNEL_ANOTHER_TUNNEL_IN_THE_WAY, "ERR_TUNNEL_ANOTHER_TUNNEL_IN_THE_WAY");
+	SQAITunnel.DefSQConst(engine, AITunnel::ERR_TUNNEL_END_SITE_UNSUITABLE,       "ERR_TUNNEL_END_SITE_UNSUITABLE");
+
+	AIError::RegisterErrorMap(STR_3807_CAN_T_BUILD_ON_WATER,       AITunnel::ERR_TUNNEL_CANNOT_BUILD_ON_WATER);
+	AIError::RegisterErrorMap(STR_500B_SITE_UNSUITABLE_FOR_TUNNEL, AITunnel::ERR_TUNNEL_START_SITE_UNSUITABLE);
+	AIError::RegisterErrorMap(STR_5003_ANOTHER_TUNNEL_IN_THE_WAY,  AITunnel::ERR_TUNNEL_ANOTHER_TUNNEL_IN_THE_WAY);
+	AIError::RegisterErrorMap(STR_5005_UNABLE_TO_EXCAVATE_LAND,    AITunnel::ERR_TUNNEL_END_SITE_UNSUITABLE);
+
+	AIError::RegisterErrorMapString(AITunnel::ERR_TUNNEL_CANNOT_BUILD_ON_WATER,     "ERR_TUNNEL_CANNOT_BUILD_ON_WATER");
+	AIError::RegisterErrorMapString(AITunnel::ERR_TUNNEL_START_SITE_UNSUITABLE,     "ERR_TUNNEL_START_SITE_UNSUITABLE");
+	AIError::RegisterErrorMapString(AITunnel::ERR_TUNNEL_ANOTHER_TUNNEL_IN_THE_WAY, "ERR_TUNNEL_ANOTHER_TUNNEL_IN_THE_WAY");
+	AIError::RegisterErrorMapString(AITunnel::ERR_TUNNEL_END_SITE_UNSUITABLE,       "ERR_TUNNEL_END_SITE_UNSUITABLE");
+
 	SQAITunnel.DefSQStaticMethod(engine, &AITunnel::GetClassName,      "GetClassName",      1, "x");
 	SQAITunnel.DefSQStaticMethod(engine, &AITunnel::IsTunnelTile,      "IsTunnelTile",      2, "xi");
 	SQAITunnel.DefSQStaticMethod(engine, &AITunnel::GetOtherTunnelEnd, "GetOtherTunnelEnd", 2, "xi");