50 lines
1.5 KiB
Rust
50 lines
1.5 KiB
Rust
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use crate::ffi::{ffi_getter, ExternPointer, OwnedPtr};
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use crate::static_data::{BattleItemCategory, Item, ItemCategory};
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use crate::StringKey;
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use hashbrown::HashSet;
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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 item_new(
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name: *const c_char,
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category: ItemCategory,
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battle_category: BattleItemCategory,
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price: i32,
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flags: *const *const c_char,
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flags_length: usize,
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) -> OwnedPtr<Item> {
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let flags = std::slice::from_raw_parts(flags, flags_length);
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let name: StringKey = CStr::from_ptr(name).to_str().unwrap().into();
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let mut flags_set: HashSet<StringKey> = HashSet::with_capacity(flags_length);
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for flag in flags {
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flags_set.insert(CStr::from_ptr(*flag).to_str().unwrap().into());
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}
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Box::into_raw(Box::new(Item::new(&name, category, battle_category, price, flags_set)))
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}
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#[no_mangle]
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unsafe extern "C" fn item_drop(ptr: OwnedPtr<Item>) {
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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 item_name(ptr: ExternPointer<Item>) -> OwnedPtr<c_char> {
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let name = ptr.as_ref().name();
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CString::new(name.str()).unwrap().into_raw()
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}
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ffi_getter!(Item, category, ItemCategory);
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ffi_getter!(Item, battle_category, BattleItemCategory);
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ffi_getter!(Item, price, i32);
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#[no_mangle]
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unsafe extern "C" fn item_has_flag(ptr: ExternPointer<Item>, flag: *const c_char) -> u8 {
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let flag = CStr::from_ptr(flag).into();
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if ptr.as_ref().has_flag(&flag) {
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1
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} else {
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0
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}
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}
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