93 lines
2.2 KiB
Python
93 lines
2.2 KiB
Python
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import json
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roomAddress = 0xFFF6
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mapIdAddress = 0xFFF7
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indoorFlagAddress = 0xDBA5
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entranceRoomOffset = 0xD800
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screenCoordAddress = 0xFFFA
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mapMap = {
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0x00: 0x01,
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0x01: 0x01,
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0x02: 0x01,
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0x03: 0x01,
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0x04: 0x01,
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0x05: 0x01,
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0x06: 0x02,
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0x07: 0x02,
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0x08: 0x02,
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0x09: 0x02,
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0x0A: 0x02,
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0x0B: 0x02,
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0x0C: 0x02,
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0x0D: 0x02,
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0x0E: 0x02,
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0x0F: 0x02,
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0x10: 0x02,
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0x11: 0x02,
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0x12: 0x02,
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0x13: 0x02,
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0x14: 0x02,
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0x15: 0x02,
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0x16: 0x02,
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0x17: 0x02,
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0x18: 0x02,
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0x19: 0x02,
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0x1D: 0x01,
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0x1E: 0x01,
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0x1F: 0x01,
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0xFF: 0x03,
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}
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class GpsTracker:
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room = None
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location_changed = False
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screenX = 0
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screenY = 0
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indoors = None
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def __init__(self, gameboy) -> None:
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self.gameboy = gameboy
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async def read_byte(self, b):
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return (await self.gameboy.async_read_memory(b))[0]
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async def read_location(self):
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indoors = await self.read_byte(indoorFlagAddress)
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if indoors != self.indoors and self.indoors != None:
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self.indoorsChanged = True
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self.indoors = indoors
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mapId = await self.read_byte(mapIdAddress)
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if mapId not in mapMap:
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print(f'Unknown map ID {hex(mapId)}')
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return
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mapDigit = mapMap[mapId] << 8 if indoors else 0
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last_room = self.room
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self.room = await self.read_byte(roomAddress) + mapDigit
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coords = await self.read_byte(screenCoordAddress)
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self.screenX = coords & 0x0F
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self.screenY = (coords & 0xF0) >> 4
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if (self.room != last_room):
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self.location_changed = True
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last_message = {}
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async def send_location(self, socket, diff=False):
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if self.room is None:
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return
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message = {
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"type":"location",
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"refresh": True,
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"version":"1.0",
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"room": f'0x{self.room:02X}',
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"x": self.screenX,
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"y": self.screenY,
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}
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if message != self.last_message:
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self.last_message = message
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await socket.send(json.dumps(message))
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