Wuzzy/minetest_playerphysics-cd2025
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Add get_physics_factor

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Wuzzy 2022-11-06 15:31:52 +01:00
parent 6d12fad9a3
commit 83759ba199
2 changed files with 25 additions and 0 deletions
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13
API.md
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@ -46,6 +46,19 @@ Removes the physics factor of the given ID and updates the player's physics.
#### Parameters #### Parameters
Same as in `playerphysics.add_physics_factor`, except there is no `value` argument. Same as in `playerphysics.add_physics_factor`, except there is no `value` argument.
### `playerphysics.get_physics_factor(player, attribute, id)`
Returns the current physics factor of the given ID, if it exists.
If the ID exists, returns a number. If it does not exist, returns nil.
Note a missing physics factor is mathematically equivalent to a factor of 1.
#### Parameters
Same as in `playerphysics.add_physics_factor`, except there is no `value` argument.
## Examples ## Examples
### Speed changes ### Speed changes
Let's assume this mod is used by 3 different mods all trying to change the speed: Let's assume this mod is used by 3 different mods all trying to change the speed:

12
init.lua
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@ -43,3 +43,15 @@ function playerphysics.remove_physics_factor(player, attribute, id)
local raw_value = calculate_attribute_product(player, attribute) local raw_value = calculate_attribute_product(player, attribute)
player:set_physics_override({[attribute] = raw_value}) player:set_physics_override({[attribute] = raw_value})
end end
function playerphysics.get_physics_factor(player, attribute, id)
local meta = player:get_meta()
local a = minetest.deserialize(meta:get_string("playerphysics:physics"))
if a == nil then
return nil
elseif a[attribute] == nil then
return nil
else
return a[attribute][id]
end
end