petern/OpenTTD
1
0
Fork 0
forked from mirror/OpenTTD
Code Pull Requests Activity

Codechange: Split NewGRF loader into separate Action handlers.

Browse Source
This commit is contained in:
Peter Nelson
2025-03-21 19:55:33 +00:00
committed by Peter Nelson
parent 0b7fa11a5b
commit 828e808444
42 changed files with 9356 additions and 8351 deletions
Download Patch File Download Diff File Expand all files Collapse all files

68
src/newgrf/newgrf_acte.cpp Normal file
View File

@@ -0,0 +1,68 @@
/*
* 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_acte.cpp NewGRF Action 0x0E handler. */
#include "../stdafx.h"
#include "../debug.h"
#include "newgrf_bytereader.h"
#include "newgrf_internal.h"
#include "table/strings.h"
#include "../safeguards.h"
/* Action 0x0E (GLS_SAFETYSCAN) */
static void SafeGRFInhibit(ByteReader &buf)
{
/* <0E> <num> <grfids...>
*
* B num Number of GRFIDs that follow
* D grfids GRFIDs of the files to deactivate */
uint8_t num = buf.ReadByte();
for (uint i = 0; i < num; i++) {
uint32_t grfid = buf.ReadDWord();
/* GRF is unsafe it if tries to deactivate other GRFs */
if (grfid != _cur.grfconfig->ident.grfid) {
GRFUnsafe(buf);
return;
}
}
}
/* Action 0x0E */
static void GRFInhibit(ByteReader &buf)
{
/* <0E> <num> <grfids...>
*
* B num Number of GRFIDs that follow
* D grfids GRFIDs of the files to deactivate */
uint8_t num = buf.ReadByte();
for (uint i = 0; i < num; i++) {
uint32_t grfid = buf.ReadDWord();
GRFConfig *file = GetGRFConfig(grfid);
/* Unset activation flag */
if (file != nullptr && file != _cur.grfconfig) {
GrfMsg(2, "GRFInhibit: Deactivating file '{}'", file->filename);
GRFError *error = DisableGrf(STR_NEWGRF_ERROR_FORCEFULLY_DISABLED, file);
error->data = _cur.grfconfig->GetName();
}
}
}
template <> void GrfActionHandler<0x0E>::FileScan(ByteReader &) { }
template <> void GrfActionHandler<0x0E>::SafetyScan(ByteReader &buf) { SafeGRFInhibit(buf); }
template <> void GrfActionHandler<0x0E>::LabelScan(ByteReader &) { }
template <> void GrfActionHandler<0x0E>::Init(ByteReader &buf) { GRFInhibit(buf); }
template <> void GrfActionHandler<0x0E>::Reserve(ByteReader &buf) { GRFInhibit(buf); }
template <> void GrfActionHandler<0x0E>::Activation(ByteReader &buf) { GRFInhibit(buf); }