frosch
57 lines
1.9 KiB
C++
57 lines
1.9 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_act0_canals.cpp NewGRF Action 0x00 handler for canals. */
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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 "../safeguards.h"
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/**
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* Define properties for water features
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* @param first Local ID of the first water feature.
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* @param last Local ID of the last water feature.
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* @param prop The property to change.
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* @param buf The property value.
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* @return ChangeInfoResult.
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*/
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static ChangeInfoResult CanalChangeInfo(uint first, uint last, int prop, ByteReader &buf)
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{
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ChangeInfoResult ret = CIR_SUCCESS;
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if (last > CF_END) {
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GrfMsg(1, "CanalChangeInfo: Canal feature 0x{:02X} is invalid, max {}, ignoring", last, CF_END);
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return CIR_INVALID_ID;
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}
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for (uint id = first; id < last; ++id) {
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CanalProperties *cp = &_cur_gps.grffile->canal_local_properties[id];
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switch (prop) {
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case 0x08:
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cp->callback_mask = static_cast<CanalCallbackMasks>(buf.ReadByte());
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break;
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case 0x09:
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cp->flags = buf.ReadByte();
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break;
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default:
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ret = CIR_UNKNOWN;
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break;
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}
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}
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return ret;
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}
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template <> ChangeInfoResult GrfChangeInfoHandler<GSF_CANALS>::Reserve(uint, uint, int, ByteReader &) { return CIR_UNHANDLED; }
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template <> ChangeInfoResult GrfChangeInfoHandler<GSF_CANALS>::Activation(uint first, uint last, int prop, ByteReader &buf) { return CanalChangeInfo(first, last, prop, buf); }
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