# HG changeset patch
# User dominik
# Date 1105101208 0
# Node ID f5fb2d73ca12f0dd37f7d6d179e47b406255f586
# Parent  433faaf547c19a47fd7989b431e86425f3e0b92b
(svn r1413) Fixed a serious memory leak problem. The invisible tiles on the southern border now have the correct tile type (MP_VOID) again. Please note that older maps might still have incorrect border tiles, thus still causing overflows.

diff -r 433faaf547c1 -r f5fb2d73ca12 landscape.c
--- a/landscape.c	Fri Jan 07 09:51:16 2005 +0000
+++ b/landscape.c	Fri Jan 07 12:33:28 2005 +0000
@@ -84,7 +84,7 @@
 {
 	if (GET_TILE_X(tile) == MapMaxX() || GET_TILE_Y(tile) == MapMaxY()) {
 		ti->tileh = 0;
-		ti->type = MP_STRANGE;
+		ti->type = MP_VOID;
 		ti->tile = 0;
 		ti->map5 = 0;
 		ti->z = 0;
@@ -108,7 +108,7 @@
 
 	if (x >= MapMaxX() * 16 - 1 || y >= MapMaxY() * 16 - 1) {
 		ti->tileh = 0;
-		ti->type = MP_STRANGE;
+		ti->type = MP_VOID;
 		ti->tile = 0;
 		ti->map5 = 0;
 		ti->z = 0;
@@ -495,8 +495,10 @@
 	memset(_map_extra_bits, 0, map_size / 4);
 	memset(_map_type_and_height, MP_CLEAR << 4, map_size);
 
+	// create void tiles on the border
 	for (i = 0; i != MapMaxY(); i++)
-		memset(_map_type_and_height + i * MapSizeX(), 0,  MapSizeX() - 1);
+		_map_type_and_height[ i * MapSizeX() + MapMaxY() ] = MP_VOID << 4;
+	memset(_map_type_and_height + MapMaxY() * MapSizeX(), MP_VOID << 4, MapSizeX());
 
 	memset(_map5, 3, map_size);
 }
diff -r 433faaf547c1 -r f5fb2d73ca12 ttd.h
--- a/ttd.h	Fri Jan 07 09:51:16 2005 +0000
+++ b/ttd.h	Fri Jan 07 12:33:28 2005 +0000
@@ -91,7 +91,7 @@
 	MP_TREES,
 	MP_STATION,
 	MP_WATER,
-	MP_STRANGE,
+	MP_VOID, // invisible tiles at the SW and SE border
 	MP_INDUSTRY,
 	MP_TUNNELBRIDGE,
 	MP_UNMOVABLE