(svn r23606) -Add: GameScanner, to auto-detect game scripts, and wire it in the console

1 files changed, 89 insertions, 0 deletions

diff --git a/src/game/game_scanner.cpp b/src/game/game_scanner.cpp
new file mode 100644
index 000000000..54b684c3e
--- /dev/null
+++ b/src/game/game_scanner.cpp
@@ -0,0 +1,89 @@
+/* $Id$ */
+
+/*
+ * 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 game_scanner.cpp allows scanning Game scripts */
+
+#include "../stdafx.h"
+#include "../debug.h"
+#include "../fileio_func.h"
+#include "../network/network.h"
+#include "../core/random_func.hpp"
+
+#include "../script/squirrel_class.hpp"
+#include "game_info.hpp"
+#include "game_scanner.hpp"
+#include "../script/api/script_controller.hpp"
+
+
+GameScannerInfo::GameScannerInfo() :
+	ScriptScanner()
+{
+}
+
+void GameScannerInfo::Initialize()
+{
+	ScriptScanner::Initialize("GSScanner");
+}
+
+void GameScannerInfo::GetScriptName(ScriptInfo *info, char *name, int len)
+{
+	snprintf(name, len, "%s", info->GetName());
+}
+
+void GameScannerInfo::RegisterAPI(class Squirrel *engine)
+{
+	GameInfo::RegisterAPI(engine);
+}
+
+GameInfo *GameScannerInfo::FindInfo(const char *nameParam, int versionParam, bool force_exact_match)
+{
+	if (this->info_list.size() == 0) return NULL;
+	if (nameParam == NULL) return NULL;
+
+	char game_name[1024];
+	ttd_strlcpy(game_name, nameParam, sizeof(game_name));
+	strtolower(game_name);
+
+	GameInfo *info = NULL;
+	int version = -1;
+
+	if (versionParam == -1) {
+		/* We want to load the latest version of this Game script; so find it */
+		if (this->info_single_list.find(game_name) != this->info_single_list.end()) return static_cast<GameInfo *>(this->info_single_list[game_name]);
+
+		/* If we didn't find a match Game script, maybe the user included a version */
+		char *e = strrchr(game_name, '.');
+		if (e == NULL) return NULL;
+		*e = '\0';
+		e++;
+		versionParam = atoi(e);
+		/* FALL THROUGH, like we were calling this function with a version. */
+	}
+
+	if (force_exact_match) {
+		/* Try to find a direct 'name.version' match */
+		char game_name_tmp[1024];
+		snprintf(game_name_tmp, sizeof(game_name_tmp), "%s.%d", game_name, versionParam);
+		strtolower(game_name_tmp);
+		if (this->info_list.find(game_name_tmp) != this->info_list.end()) return static_cast<GameInfo *>(this->info_list[game_name_tmp]);
+	}
+
+	/* See if there is a compatible Game script which goes by that name, with the highest
+	 *  version which allows loading the requested version */
+	ScriptInfoList::iterator it = this->info_list.begin();
+	for (; it != this->info_list.end(); it++) {
+		GameInfo *i = static_cast<GameInfo *>((*it).second);
+		if (strcasecmp(game_name, i->GetName()) == 0 && i->CanLoadFromVersion(versionParam) && (version == -1 || i->GetVersion() > version)) {
+			version = (*it).second->GetVersion();
+			info = i;
+		}
+	}
+
+	return info;
+}