69 lines
1.2 KiB
Lua
69 lines
1.2 KiB
Lua
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PortTypes = {
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output = 0,
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input = 1,
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}
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PortDirections = {
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[0] = {-1, 0, 0},
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[1] = {0, 1, 0},
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[2] = {1, 0, 0},
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[3] = {0, -1, 0},
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[4] = {0, 0, 1},
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[5] = {0, 0, -1}
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}
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Port = {}
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function Port.new(type, direction, position, causeupdate, idx)
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local o = {
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type = type,
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direction = direction,
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position = position,
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causeupdate = causeupdate,
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state = 0,
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gate = nil,
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group = nil,
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idx = idx,
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}
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return o
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end
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function Port.getconnectionposition(port)
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local offset = PortDirections[port.direction]
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return {port.position[1]+offset[1], port.position[2]+offset[2], port.position[3]+offset[3]}
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end
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function Port.isrising(port)
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return port.group.state==1 and (port.group.update_tick == GSim.current_tick)
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end
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function Port.isfalling(port)
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return port.group.state==0 and (port.group.update_tick == GSim.current_tick)
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end
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function Port.getgate(port)
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return port.gate
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end
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function Port.setgate(port, gate)
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port.gate = gate
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end
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function Port.setgroup(port, group)
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port.group = group
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Port.getgate(port).port_nets[port.idx] = group
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end
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function Port.getgroup(port)
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return port.group
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end
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function Port.gettype(port)
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return port.type
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end
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function Port.getstate(port)
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return port.state
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end
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