34 lines
1.3 KiB
Rust
34 lines
1.3 KiB
Rust
use crate::defines::LevelInt;
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use crate::ffi::{ExternPointer, NativeResult, OwnedPtr};
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use crate::static_data::{GrowthRate, LookupGrowthRate};
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use std::ptr::drop_in_place;
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/// Instantiates a new lookup growth rate. The experience array should be the amount of experience
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/// required per level, with the first element being the experience required for level 1 (generally 0).
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#[no_mangle]
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unsafe extern "C" fn growth_rate_lookup_new(array: *const u32, length: usize) -> OwnedPtr<Box<dyn GrowthRate>> {
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let array = std::slice::from_raw_parts(array, length);
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Box::into_raw(Box::new(Box::new(LookupGrowthRate::new(array.to_vec()))))
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}
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/// Drops the growth rate.
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#[no_mangle]
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unsafe extern "C" fn growth_rate_lookup_drop(ptr: OwnedPtr<Box<dyn GrowthRate>>) {
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drop_in_place(ptr)
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}
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/// Calculate the level something with this growth rate would have at a certain experience.
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#[no_mangle]
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extern "C" fn growth_rate_calculate_level(ptr: ExternPointer<Box<dyn GrowthRate>>, experience: u32) -> LevelInt {
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ptr.as_ref().calculate_level(experience)
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}
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/// Calculate the experience something with this growth rate would have at a certain level.
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#[no_mangle]
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extern "C" fn growth_rate_calculate_experience(
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ptr: ExternPointer<Box<dyn GrowthRate>>,
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level: LevelInt,
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) -> NativeResult<u32> {
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ptr.as_ref().calculate_experience(level).into()
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}
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