Initialize with OpenTTD 1.9.3

src/script/api/script_base.cpp

@@ -0,0 +1,55 @@
+/* $Id$ */
+
+/*
+ * 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 script_base.cpp Implementation of ScriptBase. */
+
+#include "../../stdafx.h"
+#include "script_base.hpp"
+#include "script_error.hpp"
+#include "../../network/network.h"
+#include "../../core/random_func.hpp"
+
+#include "../../safeguards.h"
+
+/* static */ uint32 ScriptBase::Rand()
+{
+	/* We pick RandomRange if we are in SP (so when saved, we do the same over and over)
+	 *   but we pick InteractiveRandomRange if we are a network_server or network-client. */
+	if (_networking) return ::InteractiveRandom();
+	return ::Random();
+}
+
+/* static */ uint32 ScriptBase::RandItem(int unused_param)
+{
+	return ScriptBase::Rand();
+}
+
+/* static */ uint ScriptBase::RandRange(uint max)
+{
+	/* We pick RandomRange if we are in SP (so when saved, we do the same over and over)
+	 *   but we pick InteractiveRandomRange if we are a network_server or network-client. */
+	if (_networking) return ::InteractiveRandomRange(max);
+	return ::RandomRange(max);
+}
+
+/* static */ uint32 ScriptBase::RandRangeItem(int unused_param, uint max)
+{
+	return ScriptBase::RandRange(max);
+}
+
+/* static */ bool ScriptBase::Chance(uint out, uint max)
+{
+	EnforcePrecondition(false, out <= max);
+	return ScriptBase::RandRange(max) < out;
+}
+
+/* static */ bool ScriptBase::ChanceItem(int unused_param, uint out, uint max)
+{
+	return ScriptBase::Chance(out, max);
+}