forked from MineClone5/MineClone5
86 lines
3.5 KiB
Lua
86 lines
3.5 KiB
Lua
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mcl_worlds = {}
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-- For a given position, returns a 2-tuple:
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-- 1st return value: true if pos is in void
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-- 2nd return value: true if it is in the deadly part of the void
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function mcl_worlds.is_in_void(pos)
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local void =
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not ((pos.y < mcl_vars.mg_overworld_max and pos.y > mcl_vars.mg_overworld_min) or
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(pos.y < mcl_vars.mg_nether_max and pos.y > mcl_vars.mg_nether_min) or
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(pos.y < mcl_vars.mg_end_max and pos.y > mcl_vars.mg_end_min))
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local void_deadly = false
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local deadly_tolerance = 64 -- the player must be this many nodes “deep” into the void to be damaged
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if void then
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-- Overworld → Void → End → Void → Nether → Void
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if pos.y < mcl_vars.mg_overworld_min and pos.y > mcl_vars.mg_end_max then
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void_deadly = pos.y < mcl_vars.mg_overworld_min - deadly_tolerance
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elseif pos.y < mcl_vars.mg_end_min and pos.y > mcl_vars.mg_nether_max then
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void_deadly = pos.y < mcl_vars.mg_end_min - deadly_tolerance
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elseif pos.y < mcl_vars.mg_nether_min then
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void_deadly = pos.y < mcl_vars.mg_nether_min - deadly_tolerance
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end
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end
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return void, void_deadly
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end
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-- Takes an Y coordinate as input and returns:
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-- 1) The corresponding Minecraft layer (can be nil if void)
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-- 2) The corresponding Minecraft dimension ("overworld", "nether" or "end") or "void" if it is in the void
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-- If the Y coordinate is not located in any dimension, it will return:
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-- nil, "void"
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function mcl_worlds.y_to_layer(y)
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if y >= mcl_vars.mg_overworld_min then
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return y - mcl_vars.mg_overworld_min, "overworld"
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elseif y >= mcl_vars.mg_nether_min and y <= mcl_vars.mg_nether_max then
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return y - mcl_vars.mg_nether_min, "nether"
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elseif y >= mcl_vars.mg_end_min and y <= mcl_vars.mg_end_max then
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return y - mcl_vars.mg_end_min, "end"
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else
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return nil, "void"
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end
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end
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-- Takes a pos and returns the dimension it belongs to (same as above)
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function mcl_worlds.pos_to_dimension(pos)
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local _, dim = mcl_worlds.y_to_layer(pos.y)
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return dim
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end
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-- Takes a Minecraft layer and a “dimension” name
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-- and returns the corresponding Y coordinate for
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-- MineClone 2.
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-- mc_dimension is one of "overworld", "nether", "end" (default: "overworld").
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function mcl_worlds.layer_to_y(layer, mc_dimension)
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if mc_dimension == "overworld" or mc_dimension == nil then
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return layer + mcl_vars.mg_overworld_min
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elseif mc_dimension == "nether" then
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return layer + mcl_vars.mg_nether_min
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elseif mc_dimension == "end" then
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return layer + mcl_vars.mg_end_min
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end
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end
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-- Takes a position and returns true if this position can have weather
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function mcl_worlds.has_weather(pos)
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-- Weather in the Overworld and the high part of the void below
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return pos.y <= mcl_vars.mg_overworld_max and pos.y >= mcl_vars.mg_overworld_min - 64
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end
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-- Takes a position (pos) and returns true if compasses are working here
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function mcl_worlds.compass_works(pos)
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-- It doesn't work in Nether and the End, but it works in the Overworld and in the high part of the void below
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local _, dim = mcl_worlds.y_to_layer(pos.y)
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if dim == "nether" or dim == "end" then
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return false
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elseif dim == "void" then
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return pos.y <= mcl_vars.mg_overworld_max and pos.y >= mcl_vars.mg_overworld_min - 64
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else
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return true
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end
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end
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-- Takes a position (pos) and returns true if clocks are working here
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mcl_worlds.clock_works = mcl_worlds.compass_works
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