54 lines
1.8 KiB
Rust
54 lines
1.8 KiB
Rust
use crate::defines::LevelInt;
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use crate::ffi::{BorrowedPtr, ExternPointer, IdentifiablePointer, NativeResult, OwnedPtr};
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use crate::static_data::{GrowthRate, GrowthRateLibrary, GrowthRateLibraryImpl};
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use std::ffi::{c_char, CStr};
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use std::ptr::drop_in_place;
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/// Instantiates a new growth rate library with a capacity
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#[no_mangle]
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extern "C" fn growth_rate_library_new(capacity: usize) -> IdentifiablePointer<Box<dyn GrowthRateLibrary>> {
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let b: Box<dyn GrowthRateLibrary> = Box::new(GrowthRateLibraryImpl::new(capacity));
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b.into()
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}
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/// Drops the growthrate library.
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#[no_mangle]
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unsafe extern "C" fn growth_rate_library_drop(ptr: OwnedPtr<Box<dyn GrowthRateLibrary>>) {
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drop_in_place(ptr)
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}
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/// Calculates the level for a given growth key name and a certain experience.
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#[no_mangle]
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unsafe extern "C" fn growth_rate_library_calculate_level(
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ptr: ExternPointer<Box<dyn GrowthRateLibrary>>,
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growth_rate: BorrowedPtr<c_char>,
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experience: u32,
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) -> NativeResult<LevelInt> {
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ptr.as_ref()
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.calculate_level(&CStr::from_ptr(growth_rate).into(), experience)
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.into()
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}
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/// Calculates the experience for a given growth key name and a certain level.
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#[no_mangle]
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unsafe extern "C" fn growth_rate_library_calculate_experience(
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ptr: ExternPointer<Box<dyn GrowthRateLibrary>>,
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growth_rate: BorrowedPtr<c_char>,
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level: LevelInt,
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) -> NativeResult<u32> {
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ptr.as_ref()
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.calculate_experience(&CStr::from_ptr(growth_rate).into(), level)
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.into()
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}
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/// Adds a new growth rate with a name and value.
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#[no_mangle]
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unsafe extern "C" fn growth_rate_library_add_growth_rate(
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mut ptr: ExternPointer<Box<dyn GrowthRateLibrary>>,
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name: BorrowedPtr<c_char>,
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growth_rate: OwnedPtr<Box<dyn GrowthRate>>,
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) {
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ptr.as_mut()
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.add_growth_rate(&CStr::from_ptr(name).into(), *Box::from_raw(growth_rate));
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}
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