Add support for loading trunk savegames versions 293 - 299 (12.0)

Use modified upstream saveload implementation for these versions Re-arrange headers to support multiple saveload implementations
2021-11-01 18:33:39 +00:00
parent c6f0559ad4
commit d1f1a6942a
88 changed files with 11154 additions and 511 deletions
--- a/src/saveload/upstream/cheat_sl.cpp
+++ b/src/saveload/upstream/cheat_sl.cpp
@@ -0,0 +1,86 @@
+/*
+ * 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 cheat_sl.cpp Code handling saving and loading of cheats */
+
+#include "../../stdafx.h"
+
+#include "saveload.h"
+#include "compat/cheat_sl_compat.h"
+
+#include "../../cheat_type.h"
+
+#include "../../safeguards.h"
+
+namespace upstream_sl {
+
+static const SaveLoad _cheats_desc[] = {
+	SLE_VAR(Cheats, magic_bulldozer.been_used, SLE_BOOL),
+	SLE_VAR(Cheats, magic_bulldozer.value, SLE_BOOL),
+	SLE_VAR(Cheats, switch_company.been_used, SLE_BOOL),
+	SLE_VAR(Cheats, switch_company.value, SLE_BOOL),
+	SLE_VAR(Cheats, money.been_used, SLE_BOOL),
+	SLE_VAR(Cheats, money.value, SLE_BOOL),
+	SLE_VAR(Cheats, crossing_tunnels.been_used, SLE_BOOL),
+	SLE_VAR(Cheats, crossing_tunnels.value, SLE_BOOL),
+	SLE_VAR(Cheats, no_jetcrash.been_used, SLE_BOOL),
+	SLE_VAR(Cheats, no_jetcrash.value, SLE_BOOL),
+	SLE_VAR(Cheats, change_date.been_used, SLE_BOOL),
+	SLE_VAR(Cheats, change_date.value, SLE_BOOL),
+	SLE_VAR(Cheats, setup_prod.been_used, SLE_BOOL),
+	SLE_VAR(Cheats, setup_prod.value, SLE_BOOL),
+	SLE_VAR(Cheats, edit_max_hl.been_used, SLE_BOOL),
+	SLE_VAR(Cheats, edit_max_hl.value, SLE_BOOL),
+};
+
+
+struct CHTSChunkHandler : ChunkHandler {
+	CHTSChunkHandler() : ChunkHandler('CHTS', CH_TABLE) {}
+
+	void Save() const override
+	{
+		SlTableHeader(_cheats_desc);
+
+		SlSetArrayIndex(0);
+		SlObject(&_cheats, _cheats_desc);
+	}
+
+	void Load() const override
+	{
+		std::vector<SaveLoad> slt = SlCompatTableHeader(_cheats_desc, _cheats_sl_compat);
+
+		if (IsSavegameVersionBefore(SLV_TABLE_CHUNKS)) {
+			size_t count = SlGetFieldLength();
+			std::vector<SaveLoad> oslt;
+
+			/* Cheats were added over the years without a savegame bump. They are
+			 * stored as 2 SLE_BOOLs per entry. "count" indicates how many SLE_BOOLs
+			 * are stored for this savegame. So read only "count" SLE_BOOLs (and in
+			 * result "count / 2" cheats). */
+			for (auto &sld : slt) {
+				count--;
+				oslt.push_back(sld);
+
+				if (count == 0) break;
+			}
+			slt = oslt;
+		}
+
+		if (!IsSavegameVersionBefore(SLV_RIFF_TO_ARRAY) && SlIterateArray() == -1) return;
+		SlObject(&_cheats, slt);
+		if (!IsSavegameVersionBefore(SLV_RIFF_TO_ARRAY) && SlIterateArray() != -1) SlErrorCorrupt("Too many CHTS entries");
+	}
+};
+
+static const CHTSChunkHandler CHTS;
+static const ChunkHandlerRef cheat_chunk_handlers[] = {
+	CHTS,
+};
+
+extern const ChunkHandlerTable _cheat_chunk_handlers(cheat_chunk_handlers);
+
+}