From 55c1af9fb12ed64284c5ab7723c22ccbd3087617 Mon Sep 17 00:00:00 2001
From: rubidium <rubidium@openttd.org>
Date: Thu, 19 Aug 2010 14:25:07 +0000
Subject: [PATCH] (svn r20560) -Fix: AIs (still/again?) crashing for certain
 commands

---
 src/ai/api/ai_object.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/ai/api/ai_object.cpp b/src/ai/api/ai_object.cpp
index ed36719c65..02f9e734b4 100644
--- a/src/ai/api/ai_object.cpp
+++ b/src/ai/api/ai_object.cpp
@@ -209,6 +209,11 @@ bool AIObject::DoCommand(TileIndex tile, uint32 p1, uint32 p2, uint cmd, const c
 	/* Are we only interested in the estimate costs? */
 	bool estimate_only = GetDoCommandMode() != NULL && !GetDoCommandMode()();
 
+#ifdef ENABLE_NETWORK
+	/* Only set p2 when the command does not come from the network. */
+	if (GetCommandFlags(cmd) & CMD_CLIENT_ID && p2 == 0) p2 = UINT32_MAX;
+#endif
+
 	/* Try to perform the command. */
 	CommandCost res = ::DoCommandPInternal(tile, p1, p2, cmd, _networking ? CcAI : NULL, text, false, estimate_only);