Extend bridge signal simulation to support an unlimited no. of signals.
This is instead of the previous limit of 16, all stored in M2.pull/8/head
Jonathan G Rennison
8 years ago
parent
61500b596e
commit
556594f2f0
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/* $Id$ */
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/*
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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 bridge_signal_map.h Map accessor functions for bridge signal simulation. */
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#ifndef BRIDGE_SIGNAL_MAP_H
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#define BRIDGE_SIGNAL_MAP_H
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#include "tile_type.h"
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#include "map_func.h"
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#include "signal_type.h"
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#include "core/bitmath_func.hpp"
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#include <vector>
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#include <unordered_map>
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struct LongBridgeSignalStorage {
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std::vector<uint64> signal_red_bits;
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};
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extern std::unordered_map<TileIndex, LongBridgeSignalStorage> _long_bridge_signal_sim_map;
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SignalState GetBridgeEntranceSimulatedSignalStateExtended(TileIndex t, uint16 signal);
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static inline SignalState GetBridgeEntranceSimulatedSignalState(TileIndex t, uint16 signal)
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{
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if (signal < 15) {
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return GB(_m[t].m2, signal, 1) ? SIGNAL_STATE_RED : SIGNAL_STATE_GREEN;
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} else {
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return GetBridgeEntranceSimulatedSignalStateExtended(t, signal);
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}
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}
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void SetBridgeEntranceSimulatedSignalStateExtended(TileIndex t, uint16 signal, SignalState state);
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static inline void SetBridgeEntranceSimulatedSignalState(TileIndex t, uint16 signal, SignalState state)
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{
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if (signal < 15) {
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SB(_m[t].m2, signal, 1, (state == SIGNAL_STATE_RED) ? 1 : 0);
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} else {
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SetBridgeEntranceSimulatedSignalStateExtended(t, signal, state);
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}
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}
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void SetAllBridgeEntranceSimulatedSignalsGreenExtended(TileIndex t);
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static inline void SetAllBridgeEntranceSimulatedSignalsGreen(TileIndex t)
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{
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if (_m[t].m2 & 0x8000) {
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SetAllBridgeEntranceSimulatedSignalsGreenExtended(t);
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} else {
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_m[t].m2 = 0;
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}
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}
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void ClearBridgeEntranceSimulatedSignalsExtended(TileIndex t);
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static inline void ClearBridgeEntranceSimulatedSignals(TileIndex t)
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{
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if (_m[t].m2 & 0x8000) {
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ClearBridgeEntranceSimulatedSignalsExtended(t);
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} else {
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_m[t].m2 = 0;
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}
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}
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void ClearBridgeSimulatedSignalMapping();
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#endif /* BRIDGE_SIGNAL_MAP_H */
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@ -0,0 +1,58 @@
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/* $Id$ */
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/*
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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 bridge_signal_sl.cpp Code handling saving and loading of data for signal on bridges */
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#include "../stdafx.h"
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#include "../bridge_signal_map.h"
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#include "saveload.h"
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#include <vector>
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/** stub save header struct */
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struct LongBridgeSignalStorageStub {
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uint32 length;
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};
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static const SaveLoad _long_bridge_signal_storage_stub_desc[] = {
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SLE_VAR(LongBridgeSignalStorageStub, length, SLE_UINT32),
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SLE_END()
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};
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static void Load_XBSS()
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{
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int index;
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LongBridgeSignalStorageStub stub;
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while ((index = SlIterateArray()) != -1) {
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LongBridgeSignalStorage &lbss = _long_bridge_signal_sim_map[index];
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SlObject(&stub, _long_bridge_signal_storage_stub_desc);
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lbss.signal_red_bits.resize(stub.length);
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SlArray(&(lbss.signal_red_bits[0]), stub.length, SLE_UINT64);
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}
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}
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static void RealSave_XBSS(const LongBridgeSignalStorage *lbss)
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{
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LongBridgeSignalStorageStub stub;
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stub.length = lbss->signal_red_bits.size();
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SlObject(&stub, _long_bridge_signal_storage_stub_desc);
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SlArray(const_cast<uint64*>(&(lbss->signal_red_bits[0])), stub.length, SLE_UINT64);
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}
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static void Save_XBSS()
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{
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for (const auto &it : _long_bridge_signal_sim_map) {
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const LongBridgeSignalStorage &lbss = it.second;
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SlSetArrayIndex(it.first);
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SlAutolength((AutolengthProc*) RealSave_XBSS, const_cast<LongBridgeSignalStorage*>(&lbss));
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}
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}
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extern const ChunkHandler _bridge_signal_chunk_handlers[] = {
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{ 'XBSS', Save_XBSS, Load_XBSS, NULL, NULL, CH_SPARSE_ARRAY | CH_LAST},
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};
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