Chunnel patch 28398: Codechange: Save Tunnel Pool.

https://www.tt-forums.net/viewtopic.php?p=1183416#p1183416

source.list

@@ -671,6 +671,7 @@ saveload/strings_sl.cpp
 saveload/story_sl.cpp
 saveload/subsidy_sl.cpp
 saveload/town_sl.cpp
+saveload/tunnel_sl.cpp
 saveload/vehicle_sl.cpp
 saveload/waypoint_sl.cpp
 saveload/signal_sl.cpp

src/saveload/afterload.cpp

@@ -2030,23 +2030,26 @@ bool AfterLoadGame()
 	}
 
 	/* Tunnel pool has to be initiated before reservations. */
-	for (TileIndex t = 0; t < map_size; t++) {
-		if (IsTunnelTile(t)) {
-			DiagDirection dir = GetTunnelBridgeDirection(t);
-			if (dir == DIAGDIR_SE || dir == DIAGDIR_SW) {
-				TileIndex start_tile = t;
-				TileIndex end_tile = GetOtherTunnelBridgeEndOLd(start_tile);
+	if (IsSavegameVersionBefore(196)) {
+		for (TileIndex t = 0; t < map_size; t++) {
+			if (IsTunnelTile(t)) {
+				DiagDirection dir = GetTunnelBridgeDirection(t);
+				if (dir == DIAGDIR_SE || dir == DIAGDIR_SW) {
+					TileIndex start_tile = t;
+					TileIndex end_tile = GetOtherTunnelBridgeEndOLd(start_tile);
 
-				if (!Tunnel::CanAllocateItem()) return false;
+					if (!Tunnel::CanAllocateItem()) return false;
 
-				Tunnel *t = new Tunnel(start_tile);
-				t->tile_s = end_tile;
+					Tunnel *t = new Tunnel(start_tile);
+					t->tile_s = end_tile;
+					t->is_chunnel = 0;
 
-				DEBUG(misc, 0, "Tun start %#x, index=%#x", t->tile_n, t->index);
-				DEBUG(misc, 0, "Tun  end  %#x, index=%#x", t->tile_s, t->index);
+					DEBUG(misc, 0, "Tun start %#x, index=%#x", t->tile_n, t->index);
+					DEBUG(misc, 0, "Tun  end  %#x, index=%#x", t->tile_s, t->index);
 
-				_m[start_tile].m2 = t->index;
-				_m[end_tile].m2 = t->index;
+					_m[start_tile].m2 = t->index;
+					_m[end_tile].m2 = t->index;
+				}
 			}
 		}
 	}

src/saveload/saveload.cpp

@@ -270,7 +270,7 @@
  *  194   26881   1.5.x, 1.6.0
  *  195   27572   1.6.x
  */
-extern const uint16 SAVEGAME_VERSION = 195; ///< Current savegame version of OpenTTD.
+extern const uint16 SAVEGAME_VERSION = 196; ///< Current savegame version of OpenTTD.
 const uint16 SAVEGAME_VERSION_EXT = 0x8000; ///< Savegame extension indicator mask
 
 SavegameType _savegame_type; ///< type of savegame we are loading
@@ -465,6 +465,7 @@ extern const ChunkHandler _plan_chunk_handlers[];
 extern const ChunkHandler _template_replacement_chunk_handlers[];
 extern const ChunkHandler _template_vehicle_chunk_handlers[];
 extern const ChunkHandler _bridge_signal_chunk_handlers[];
+extern const ChunkHandler _tunnel_chunk_handlers[];
 
 /** Array of all chunks in a savegame, \c NULL terminated. */
 static const ChunkHandler * const _chunk_handlers[] = {
@@ -508,6 +509,7 @@ static const ChunkHandler * const _chunk_handlers[] = {
 	_template_replacement_chunk_handlers,
 	_template_vehicle_chunk_handlers,
 	_bridge_signal_chunk_handlers,
+	_tunnel_chunk_handlers,
 	NULL,
 };
 

src/saveload/tunnel_sl.cpp

@@ -0,0 +1,50 @@
+/* $Id$ */
+
+/*
+ * This file is part of OpenTTD.
+ * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
+ * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/** @file tunnel_sl.cpp Code handling saving and loading of tunnels */
+
+#include "../stdafx.h"
+#include "../tunnel_base.h"
+
+#include "saveload.h"
+
+#include "../safeguards.h"
+
+
+static const SaveLoad _tunnel_desc[] = {
+	 SLE_CONDVAR(Tunnel, tile_n,           SLE_UINT32,             196, SL_MAX_VERSION),
+	 SLE_CONDVAR(Tunnel, tile_s,           SLE_UINT32,             196, SL_MAX_VERSION),
+	 SLE_CONDVAR(Tunnel, is_chunnel,         SLE_BOOL,             196, SL_MAX_VERSION),
+	 SLE_END()
+};
+
+static void Save_TUNN()
+{
+	Tunnel *tunnel;
+
+	FOR_ALL_TUNNELS(tunnel) {
+		SlSetArrayIndex(tunnel->index);
+		SlObject(tunnel, _tunnel_desc);
+	}
+}
+
+static void Load_TUNN()
+{
+	int index;
+
+	while ((index = SlIterateArray()) != -1) {
+		Tunnel *tunnel = new (index) Tunnel();
+		SlObject(tunnel, _tunnel_desc);
+	}
+}
+
+
+extern const ChunkHandler _tunnel_chunk_handlers[] = {
+	{ 'TUNN', Save_TUNN, Load_TUNN, NULL, NULL, CH_ARRAY | CH_LAST},
+};