From 5f6afccf78e36aff960d4831908996dd26079b3a Mon Sep 17 00:00:00 2001
From: lalien <lalien@3b4a5df2-a311-0410-b5c6-a8a6f20db521>
Date: Thu, 20 Apr 2006 21:42:19 +0000
Subject: [PATCH] Bugfix: CTD when climbing on roof.

(Lighting.cpp LightRevealWall and LightHideWall additional check added)


git-svn-id: https://ja2svn.mooo.com/source/ja2/trunk/GameSource/ja2_v1.13/Build@34 3b4a5df2-a311-0410-b5c6-a8a6f20db521
---
 TileEngine/lighting.cpp | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/TileEngine/lighting.cpp b/TileEngine/lighting.cpp
index 5fac760f..2384fd11 100644
--- a/TileEngine/lighting.cpp
+++ b/TileEngine/lighting.cpp
@@ -2316,7 +2316,9 @@ BOOLEAN LightRevealWall(INT16 sX, INT16 sY, INT16 sSrcX, INT16 sSrcY)
 	}
 
 	pStruct=gpWorldLevelData[uiTile].pStructHead;
-	while(pStruct!=NULL)
+	
+	//while(pStruct!=NULL)
+	while(pStruct!=NULL && pStruct->usIndex<NUMBEROFTILES) //lal bugfix
 	{
 		TileElem = &(gTileDatabase[pStruct->usIndex]);
 		switch(TileElem->usWallOrientation)
@@ -2337,7 +2339,9 @@ BOOLEAN LightRevealWall(INT16 sX, INT16 sY, INT16 sSrcX, INT16 sSrcY)
 	}
 	
 	pStruct=gpWorldLevelData[uiTile].pStructHead;
-	while(pStruct!=NULL)
+	
+	//while(pStruct!=NULL)
+	while(pStruct!=NULL && pStruct->usIndex<NUMBEROFTILES) //lal bugfix
 	{
 		TileElem = &(gTileDatabase[pStruct->usIndex]);
 		switch(TileElem->usWallOrientation)
@@ -2392,7 +2396,9 @@ TILE_ELEMENT *TileElem;
 		fDoLeftWalls=FALSE;
 
 	pStruct=gpWorldLevelData[uiTile].pStructHead;
-	while(pStruct!=NULL)
+	
+	//while(pStruct!=NULL)
+	while(pStruct!=NULL && pStruct->usIndex<NUMBEROFTILES) // lal bugfix
 	{
 		TileElem = &(gTileDatabase[pStruct->usIndex]);
 		switch(TileElem->usWallOrientation)
@@ -2413,7 +2419,9 @@ TILE_ELEMENT *TileElem;
 	}
 
 	pStruct=gpWorldLevelData[uiTile].pStructHead;
-	while(pStruct!=NULL)
+
+	//while(pStruct!=NULL)
+	while(pStruct!=NULL && pStruct->usIndex<NUMBEROFTILES) //lal bugfix 
 	{
 		TileElem = &(gTileDatabase[pStruct->usIndex]);
 		switch(TileElem->usWallOrientation)