mirror of https://github.com/OpenRCT2/OpenRCT2.git
122 lines
3.5 KiB
C++
122 lines
3.5 KiB
C++
/*****************************************************************************
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* Copyright (c) 2014-2018 OpenRCT2 developers
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*
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* For a complete list of all authors, please refer to contributors.md
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* Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2
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*
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* OpenRCT2 is licensed under the GNU General Public License version 3.
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*****************************************************************************/
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#include "SideTunnelCall.hpp"
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int16_t SideTunnelCall::GetTunnelOffset(uint32_t baseHeight, tunnel_entry calls[3])
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{
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for (int16_t offset = -56; offset <= 56; offset += 8)
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{
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if (calls[0].height != (baseHeight - 8 + offset) / 16)
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continue;
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if (calls[1].height != (baseHeight + 0 + offset) / 16)
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continue;
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if (calls[2].height != (baseHeight + 8 + offset) / 16)
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continue;
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return offset;
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}
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log_error("Unknown tunnel height. (%d, %d, %d)", calls[0].height, calls[1].height, calls[2].height);
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return 0;
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}
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TunnelCall SideTunnelCall::ExtractTunnelCalls(tunnel_entry* calls, uint8_t count, uint16_t baseHeight, bool* error)
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{
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TunnelCall tunnelCall = {};
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if (count == 0)
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{
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tunnelCall.call = TUNNELCALL_NONE;
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return tunnelCall;
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}
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if (count == 3)
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{
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tunnelCall.call = TUNNELCALL_CALL;
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tunnelCall.offset = GetTunnelOffset(baseHeight, calls);
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tunnelCall.type = calls[0].type;
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return tunnelCall;
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}
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*error = true;
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return tunnelCall;
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}
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bool SideTunnelCall::TunnelCallsLineUp(TunnelCall tunnelCalls[4][4])
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{
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for (int side = 0; side < 4; ++side)
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{
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TunnelCall* referenceCall = nullptr;
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for (int direction = 0; direction < 4; ++direction)
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{
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if (tunnelCalls[direction][side].call == TUNNELCALL_SKIPPED)
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{
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continue;
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}
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if (referenceCall == nullptr)
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{
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referenceCall = &tunnelCalls[direction][side];
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continue;
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}
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if (referenceCall->call != tunnelCalls[direction][side].call)
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return false;
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if (referenceCall->call == TUNNELCALL_CALL)
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{
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if (referenceCall->type != tunnelCalls[direction][side].type)
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return false;
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if (referenceCall->offset != tunnelCalls[direction][side].offset)
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return false;
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}
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}
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}
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return true;
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}
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void SideTunnelCall::GetTunnelCallReferencePattern(TunnelCall tunnelCalls[4][4], TunnelCall (*out)[4])
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{
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for (int side = 0; side < 4; ++side)
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{
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for (int direction = 0; direction < 4; ++direction)
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{
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if (tunnelCalls[direction][side].call == TUNNELCALL_SKIPPED)
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{
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continue;
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}
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(*out)[side].call = tunnelCalls[direction][side].call;
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(*out)[side].type = tunnelCalls[direction][side].type;
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(*out)[side].offset = tunnelCalls[direction][side].offset;
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}
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}
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}
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bool SideTunnelCall::TunnelPatternsMatch(TunnelCall expected[4], TunnelCall actual[4])
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{
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for (int side = 0; side < 4; side++)
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{
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if (expected[side].call != actual[side].call)
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return false;
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if (expected[side].call == TUNNELCALL_CALL)
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{
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if (expected[side].type != actual[side].type)
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return false;
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if (expected[side].offset != actual[side].offset)
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return false;
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}
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}
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return true;
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}
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