forked from VoxeLibre/VoxeLibre
115 lines
2.7 KiB
Lua
115 lines
2.7 KiB
Lua
function mcl_mobs.util.scale_difficulty(value, default, min, special)
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if (not value) or (value == default) or (value == special) then
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return default
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else
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return math.max(min, value * difficulty)
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end
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end
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function mcl_mobs.util.scale_size(tbl, size)
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for k, v in pairs(tbl) do
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tbl[k] = v * size
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end
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end
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function mcl_mobs.util.rgb_to_hex(rgb)
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local hexadecimal = "#"
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for key, value in pairs(rgb) do
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local hex = ""
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while value > 0 do
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local index = math.fmod(value, 16) + 1
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value = math.floor(value / 16)
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hex = string.sub("0123456789ABCDEF", index, index) .. hex
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end
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local len = string.len(hex)
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if len == 0 then
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hex = "00"
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elseif len == 1 then
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hex = "0" .. hex
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end
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hexadecimal = hexadecimal .. hex
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end
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return hexadecimal
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end
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function mcl_mobs.util.color_from_hue(hue)
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local h = hue / 60
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local c = 255
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local x = (1 - math.abs(h % 2 - 1)) * 255
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local i = math.floor(h)
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if i == 0 then
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return mcl_mobs.util.rgb_to_hex({c, x, 0})
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elseif i == 1 then
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return mcl_mobs.util.rgb_to_hex({x, c, 0})
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elseif i == 2 then
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return mcl_mobs.util.rgb_to_hex({0, c, x})
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elseif i == 3 then
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return mcl_mobs.util.rgb_to_hex({0, x, c})
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elseif i == 4 then
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return mcl_mobs.util.rgb_to_hex({x, 0, c})
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else
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return mcl_mobs.util.rgb_to_hex({c, 0, x})
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end
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end
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function mcl_mobs.util.take_item(player, itemstack)
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if not minetest.is_creative_enabled(player:get_player_name()) then
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itemstack:take_item()
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return true
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end
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end
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function mcl_mobs.util.get_eye_height(obj)
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if obj:is_player() then
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return obj:get_properties().eye_height
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else
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return obj:get_luaentity().eye_height or 0
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end
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end
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function mcl_mobs.util.list_to_set(list)
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local set = {}
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if list then
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for k, v in pairs(list) do
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set[v] = true
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end
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end
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return set
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end
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function mcl_mobs.util.within_map_limits(pos, radius)
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return pos
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and (pos.x - radius) > mcl_vars.mapgen_edge_min and (pos.x + radius) < mcl_vars.mapgen_edge_max
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and (pos.y - radius) > mcl_vars.mapgen_edge_min and (pos.y + radius) < mcl_vars.mapgen_edge_max
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and (pos.z - radius) > mcl_vars.mapgen_edge_min and (pos.z + radius) < mcl_vars.mapgen_edge_max
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end
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function mcl_mobs.util.get_collision_data(obj)
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local collisionbox = obj:get_properties().collisionbox
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local pos = obj:get_pos()
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pos.y = pos.y + collisionbox[2]
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return collisionbox, pos, collisionbox[4]
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end
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function mcl_mobs.util.get_node_type(pos)
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local node = minetest.get_node(pos).name
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return nil
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or node == "air" and "air"
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or (minetest.registered_nodes[node] or {walkable = true}).walkable and "solid"
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or node == "ignore" and "ignore"
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or node == "mcl_core:cobweb" and "cobweb"
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or minetest.get_item_group(node, "water") > 0 and "water"
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or minetest.get_item_group(node, "lava") > 0 and "lava"
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or "air"
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end
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