46 lines
1.4 KiB
Lua
46 lines
1.4 KiB
Lua
playerphysics = {}
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local function calculate_attribute_product(player, attribute)
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local a = minetest.deserialize(player:get_meta():get_string("playerphysics:physics"))
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local product = 1
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if a == nil or a[attribute] == nil then
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return product
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end
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local factors = a[attribute]
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if type(factors) == "table" then
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for _, factor in pairs(factors) do
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product = product * factor
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end
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end
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return product
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end
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function playerphysics.add_physics_factor(player, attribute, id, value)
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local meta = player:get_meta()
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local a = minetest.deserialize(meta:get_string("playerphysics:physics"))
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if a == nil then
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a = { [attribute] = { [id] = value } }
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elseif a[attribute] == nil then
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a[attribute] = { [id] = value }
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else
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a[attribute][id] = value
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end
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meta:set_string("playerphysics:physics", minetest.serialize(a))
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local raw_value = calculate_attribute_product(player, attribute)
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player:set_physics_override({[attribute] = raw_value})
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end
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function playerphysics.remove_physics_factor(player, attribute, id)
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local meta = player:get_meta()
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local a = minetest.deserialize(meta:get_string("playerphysics:physics"))
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if a == nil or a[attribute] == nil then
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-- Nothing to remove
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return
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else
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a[attribute][id] = nil
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end
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meta:set_string("playerphysics:physics", minetest.serialize(a))
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local raw_value = calculate_attribute_product(player, attribute)
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player:set_physics_override({[attribute] = raw_value})
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end
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