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