mirror of https://github.com/OpenRCT2/OpenRCT2.git
100 lines
3.3 KiB
C++
100 lines
3.3 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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sint16 SideTunnelCall::GetTunnelOffset(uint32 baseHeight, tunnel_entry calls[3]) {
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for (sint16 offset = -56; offset <= 56; offset += 8) {
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if (calls[0].height != (baseHeight - 8 + offset) / 16) continue;
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if (calls[1].height != (baseHeight + 0 + offset) / 16) continue;
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if (calls[2].height != (baseHeight + 8 + offset) / 16) 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 count, uint16 baseHeight, bool *error) {
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TunnelCall tunnelCall = {};
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if (count == 0) {
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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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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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TunnelCall * referenceCall = nullptr;
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for (int direction = 0; direction < 4; ++direction) {
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if (tunnelCalls[direction][side].call == TUNNELCALL_SKIPPED) {
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continue;
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}
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if (referenceCall == nullptr) {
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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) return false;
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if (referenceCall->call == TUNNELCALL_CALL) {
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if (referenceCall->type != tunnelCalls[direction][side].type) return false;
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if (referenceCall->offset != tunnelCalls[direction][side].offset) 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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for (int direction = 0; direction < 4; ++direction) {
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if (tunnelCalls[direction][side].call == TUNNELCALL_SKIPPED) {
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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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if (expected[side].call != actual[side].call) return false;
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if (expected[side].call == TUNNELCALL_CALL) {
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if (expected[side].type != actual[side].type) return false;
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if (expected[side].offset != actual[side].offset) return false;
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}
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}
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return true;
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}
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