48 lines
No EOL
1.2 KiB
Lua
48 lines
No EOL
1.2 KiB
Lua
local util = require("util")
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local nibbleArray = require("nibbleArray")
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local bit32 = require("bit32")
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local MAX_HEIGHT = 128
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local chunk = {}
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local defaultsTable = {
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blocks = {},
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metadata = {},
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blockLight = {},
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skyLight = {}
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}
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function chunk:CreateCoordPair(x, z)
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return bit32.bor((x >= 0 and 0 or 2147483648), bit32.bor(bit32.rshift(bit32.band(x, 0x7fff), -16), bit32.bor((z >= 0 and 0 or 0x8000), bit32.band(z, 0x7fff))))
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end
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function chunk:new()
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local newTable = util.deepCopyTable(defaultsTable) or {}
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local blockBufferSize = 16 * 16 * MAX_HEIGHT
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for i = 1, blockBufferSize do
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table.insert(newTable.blocks, 0)
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end
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for i = 1, blockBufferSize / 2 do
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table.insert(newTable.metadata, 0)
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table.insert(newTable.blockLight, 255)
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table.insert(newTable.skyLight, 255)
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end
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-- Set this table as this """class"""'s metatable
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setmetatable(newTable, self)
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self.__index = self
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return newTable
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end
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function chunk:setBlock(blockId, x, y, z)
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self.blocks[bit32.bor(bit32.rshift(x, -11), bit32.bor(bit32.rshift(z, -7), y)) + 1] = blockId
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end
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function chunk:getBlockId(x, y, z)
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return self.blocks[bit32.bor(bit32.rshift(x, -11), bit32.bor(bit32.rshift(z, -7), y)) + 1]
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end
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return chunk |