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MineClone2/mods/PLAYER/playerphysics/init.lua

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playerphysics = {}
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local function calculate_physic_product(player, physic)
local a = minetest.deserialize(player:get_attribute("playerphysics:physics"))
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local product = 1
if a == nil or a[physic] == nil then
return product
end
local factors = a[physic]
if type(factors) == "table" then
for id, factor in pairs(factors) do
product = product * factor
end
end
return product
end
function playerphysics.add_physics_factor(player, physic, id, value)
local a = minetest.deserialize(player:get_attribute("playerphysics:physics"))
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if a == nil then
a = { [physic] = { [id] = value } }
elseif a[physic] == nil then
a[physic] = { [id] = value }
else
a[physic][id] = value
end
player:set_attribute("playerphysics:physics", minetest.serialize(a))
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local raw_value = calculate_physic_product(player, physic)
player:set_physics_override({[physic] = raw_value})
end
function playerphysics.remove_physics_factor(player, physic, id)
local a = minetest.deserialize(player:get_attribute("playerphysics:physics"))
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if a == nil or a[physic] == nil then
-- Nothing to remove
return
else
a[physic][id] = nil
end
player:set_attribute("playerphysics:physics", minetest.serialize(a))
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local raw_value = calculate_physic_product(player, physic)
player:set_physics_override({[physic] = raw_value})
end