Codechange: Split NewGRF loader into separate Action handlers.

src/newgrf/newgrf_actc.cpp

@@ -0,0 +1,36 @@
+/*
+ * 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 newgrf_actc.cpp NewGRF Action 0x0C handler. */
+
+#include "../stdafx.h"
+#include "../debug.h"
+#include "../string_func.h"
+#include "newgrf_bytereader.h"
+#include "newgrf_internal.h"
+
+#include "../safeguards.h"
+
+/* Action 0x0C */
+static void GRFComment(ByteReader &buf)
+{
+	/* <0C> [<ignored...>]
+	 *
+	 * V ignored       Anything following the 0C is ignored */
+
+	if (!buf.HasData()) return;
+
+	std::string_view text = buf.ReadString();
+	GrfMsg(2, "GRFComment: {}", StrMakeValid(text));
+}
+
+template <> void GrfActionHandler<0x0C>::FileScan(ByteReader &) { }
+template <> void GrfActionHandler<0x0C>::SafetyScan(ByteReader &) { }
+template <> void GrfActionHandler<0x0C>::LabelScan(ByteReader &) { }
+template <> void GrfActionHandler<0x0C>::Init(ByteReader &buf) { GRFComment(buf); }
+template <> void GrfActionHandler<0x0C>::Reserve(ByteReader &) { }
+template <> void GrfActionHandler<0x0C>::Activation(ByteReader &buf) { GRFComment(buf); }