From 05aaf18d38044eb52ea046c189469f4af440dc4b Mon Sep 17 00:00:00 2001
From: alberth <alberth@openttd.org>
Date: Sun, 15 Jul 2012 17:07:06 +0000
Subject: (svn r24405) -Add: Save and load of active cargo monitors.

---
 src/economy.cpp                  |   2 +
 src/saveload/cargomonitor_sl.cpp | 103 +++++++++++++++++++++++++++++++++++++++
 src/saveload/saveload.cpp        |   2 +
 3 files changed, 107 insertions(+)
 create mode 100644 src/saveload/cargomonitor_sl.cpp

(limited to 'src')

diff --git a/src/economy.cpp b/src/economy.cpp
index 1e140008a..e4eb25e23 100644
--- a/src/economy.cpp
+++ b/src/economy.cpp
@@ -863,6 +863,8 @@ void StartupEconomy()
 void InitializeEconomy()
 {
 	_economy.inflation_prices = _economy.inflation_payment = 1 << 16;
+	ClearCargoPickupMonitoring();
+	ClearCargoDeliveryMonitoring();
 }
 
 /**
diff --git a/src/saveload/cargomonitor_sl.cpp b/src/saveload/cargomonitor_sl.cpp
new file mode 100644
index 000000000..2188470a2
--- /dev/null
+++ b/src/saveload/cargomonitor_sl.cpp
@@ -0,0 +1,103 @@
+/* $Id$ */
+
+/*
+ * 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 cargomonitor_sl.cpp Code handling saving and loading of Cargo monitoring. */
+
+#include "../stdafx.h"
+#include "../cargomonitor.h"
+
+#include "saveload.h"
+
+/** Temporary storage of cargo monitoring data for loading or saving it. */
+struct TempStorage {
+	CargoMonitorID number;
+	uint32 amount;
+};
+
+/** Description of the #TempStorage structure for the purpose of load and save. */
+static const SaveLoad _cargomonitor_pair_desc[] = {
+	SLE_VAR(TempStorage, number, SLE_UINT32),
+	SLE_VAR(TempStorage, amount, SLE_UINT32),
+	SLE_END()
+};
+
+/** Save the #_cargo_deliveries monitoring map. */
+static void SaveDelivery()
+{
+	TempStorage storage;
+
+	int i = 0;
+	CargoMonitorMap::const_iterator iter = _cargo_deliveries.begin();
+	while (iter != _cargo_deliveries.end()) {
+		storage.number = iter->first;
+		storage.amount = iter->second;
+
+		SlSetArrayIndex(i);
+		SlObject(&storage, _cargomonitor_pair_desc);
+
+		i++;
+		iter++;
+	}
+}
+
+/** Load the #_cargo_deliveries monitoring map. */
+static void LoadDelivery()
+{
+	TempStorage storage;
+
+	ClearCargoDeliveryMonitoring();
+	for (;;) {
+		if (SlIterateArray() < 0) break;
+		SlObject(&storage, _cargomonitor_pair_desc);
+
+		std::pair<CargoMonitorID, uint32> p(storage.number, storage.amount);
+		_cargo_deliveries.insert(p);
+	}
+}
+
+
+/** Save the #_cargo_pickups monitoring map. */
+static void SavePickup()
+{
+	TempStorage storage;
+
+	int i = 0;
+	CargoMonitorMap::const_iterator iter = _cargo_pickups.begin();
+	while (iter != _cargo_pickups.end()) {
+		storage.number = iter->first;
+		storage.amount = iter->second;
+
+		SlSetArrayIndex(i);
+		SlObject(&storage, _cargomonitor_pair_desc);
+
+		i++;
+		iter++;
+	}
+}
+
+/** Load the #_cargo_pickups monitoring map. */
+static void LoadPickup()
+{
+	TempStorage storage;
+
+	ClearCargoPickupMonitoring();
+	for (;;) {
+		if (SlIterateArray() < 0) break;
+		SlObject(&storage, _cargomonitor_pair_desc);
+
+		std::pair<CargoMonitorID, uint32> p(storage.number, storage.amount);
+		_cargo_pickups.insert(p);
+	}
+}
+
+/** Chunk definition of the cargomonitoring maps. */
+extern const ChunkHandler _cargomonitor_chunk_handlers[] = {
+	{ 'CMDL', SaveDelivery, LoadDelivery, NULL, NULL, CH_ARRAY},
+	{ 'CMPU', SavePickup,   LoadPickup,   NULL, NULL, CH_ARRAY | CH_LAST},
+};
diff --git a/src/saveload/saveload.cpp b/src/saveload/saveload.cpp
index f9e569680..7cc1da4ed 100644
--- a/src/saveload/saveload.cpp
+++ b/src/saveload/saveload.cpp
@@ -409,6 +409,7 @@ extern const ChunkHandler _station_chunk_handlers[];
 extern const ChunkHandler _industry_chunk_handlers[];
 extern const ChunkHandler _economy_chunk_handlers[];
 extern const ChunkHandler _subsidy_chunk_handlers[];
+extern const ChunkHandler _cargomonitor_chunk_handlers[];
 extern const ChunkHandler _goal_chunk_handlers[];
 extern const ChunkHandler _ai_chunk_handlers[];
 extern const ChunkHandler _game_chunk_handlers[];
@@ -437,6 +438,7 @@ static const ChunkHandler * const _chunk_handlers[] = {
 	_industry_chunk_handlers,
 	_economy_chunk_handlers,
 	_subsidy_chunk_handlers,
+	_cargomonitor_chunk_handlers,
 	_goal_chunk_handlers,
 	_engine_chunk_handlers,
 	_town_chunk_handlers,
-- 
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