54 lines
1.7 KiB
Rust
54 lines
1.7 KiB
Rust
use crate::ffi::{BorrowedPtr, ExternPointer, OwnedPtr};
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use crate::static_data::{Ability, EffectParameter};
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use crate::StringKey;
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use std::ffi::{c_char, CStr, CString};
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use std::ptr::drop_in_place;
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#[no_mangle]
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unsafe extern "C" fn ability_new(
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name: *const c_char,
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effect: *const c_char,
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parameters: *const OwnedPtr<EffectParameter>,
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parameters_length: usize,
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) -> OwnedPtr<Ability> {
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let parameters = std::slice::from_raw_parts(parameters, parameters_length);
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let mut parameters_vec: Vec<EffectParameter> = Vec::with_capacity(parameters_length);
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for parameter in parameters {
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parameters_vec.push(*Box::from_raw(*parameter));
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}
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let name: StringKey = CStr::from_ptr(name).to_str().unwrap().into();
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let effect: StringKey = CStr::from_ptr(effect).to_str().unwrap().into();
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Box::into_raw(Box::new(Ability::new(&name, &effect, parameters_vec)))
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}
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#[no_mangle]
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unsafe extern "C" fn ability_drop(ptr: OwnedPtr<Ability>) {
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drop_in_place(ptr)
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}
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#[no_mangle]
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unsafe extern "C" fn ability_name(ptr: ExternPointer<Ability>) -> OwnedPtr<c_char> {
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CString::new(ptr.as_ref().name().str()).unwrap().into_raw()
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}
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#[no_mangle]
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unsafe extern "C" fn ability_effect(ptr: ExternPointer<Ability>) -> OwnedPtr<c_char> {
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CString::new(ptr.as_ref().effect().str()).unwrap().into_raw()
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}
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#[no_mangle]
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unsafe extern "C" fn ability_parameter_length(ptr: ExternPointer<Ability>) -> usize {
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ptr.as_ref().parameters().len()
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}
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#[no_mangle]
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unsafe extern "C" fn ability_parameter_get(ptr: ExternPointer<Ability>, index: usize) -> BorrowedPtr<EffectParameter> {
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if let Some(p) = ptr.as_ref().parameters().get(index) {
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p as *const EffectParameter
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} else {
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std::ptr::null()
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}
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}
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