(svn r23627) -Add: ScriptNews::Create, to create custom news messages (GameScript only)

src/script/api/script_news.cpp

@@ -0,0 +1,31 @@
+/* $Id$ */
+
+/*
+ * 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_news.cpp Implementation of ScriptNews. */
+
+#include "../../stdafx.h"
+#include "script_news.hpp"
+#include "script_error.hpp"
+#include "../../news_func.h"
+#include "../../strings_func.h"
+#include "../../command_type.h"
+#include "../../string_func.h"
+#include "table/strings.h"
+
+/* static */ bool ScriptNews::Create(NewsType type, const char *text, ScriptCompany::CompanyID company)
+{
+	EnforcePrecondition(false, !StrEmpty(text));
+	EnforcePrecondition(false, type >= NT_ARRIVAL_COMPANY && type <= NT_GENERAL);
+	EnforcePrecondition(false, company == ScriptCompany::COMPANY_INVALID || ScriptCompany::ResolveCompanyID(company) != ScriptCompany::COMPANY_INVALID);
+
+	uint8 c = company;
+	if (company == ScriptCompany::COMPANY_INVALID) c = INVALID_COMPANY;
+
+	return ScriptObject::DoCommand(0, type | (NR_NONE << 8) | (c << 16), 0, CMD_CUSTOM_NEWS_ITEM, text);
+}