From e21b7634bfbe680308344afe04e070ce91356754 Mon Sep 17 00:00:00 2001
From: rubidium <rubidium@openttd.org>
Date: Wed, 17 Oct 2007 20:09:16 +0000
Subject: (svn r11287) -Codechange: add support for pushing paramaters into
 NewIndustries' error messages. Patch by Csaboka.

---
 src/newgrf_industrytiles.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/newgrf_industrytiles.cpp')

diff --git a/src/newgrf_industrytiles.cpp b/src/newgrf_industrytiles.cpp
index f090d12c5..ae69591d5 100644
--- a/src/newgrf_industrytiles.cpp
+++ b/src/newgrf_industrytiles.cpp
@@ -265,6 +265,11 @@ bool PerformIndustryTileSlopeCheck(TileIndex ind_base_tile, TileIndex ind_tile,
 		return callback_res != 0;
 	}
 
+	/* Copy some parameters from the registers to the error message text ref. stack */
+	SwitchToErrorRefStack();
+	PrepareTextRefStackUsage(4);
+	SwitchToNormalRefStack();
+
 	switch (callback_res) {
 		case 0x400: return true;
 		case 0x401: _error_message = STR_0239_SITE_UNSUITABLE;                 return false;
-- 
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