.

5 files changed, 192 insertions, 0 deletions

diff --git a/core/bindings/c_lang/Cargo.toml b/core/bindings/c_lang/Cargo.toml
new file mode 100644
index 0000000..a0ee61f
--- /dev/null
+++ b/core/bindings/c_lang/Cargo.toml
@@ -0,0 +1,12 @@
+[package]
+name = "nogamepads-c-bindings"
+edition = "2024"
+version.workspace = true
+
+[dependencies]
+nogamepads-core = { path = "../../../core" }
+libc = "0.2.172"
+
+[lib]
+name = "nogamepads_c"
+crate-type = ["cdylib"]
diff --git a/core/bindings/c_lang/headers/ngpd_player.h b/core/bindings/c_lang/headers/ngpd_player.h
new file mode 100644
index 0000000..00fbe5b
--- /dev/null
+++ b/core/bindings/c_lang/headers/ngpd_player.h
@@ -0,0 +1,39 @@
+#ifndef PLAYER_FFI_H
+#define PLAYER_FFI_H
+
+#include <stdbool.h>
+#include <stdint.h>
+
+typedef struct FfiAccount {
+    char* id;
+    char* player_hash;
+} FfiAccount;
+
+typedef struct FfiCustomize {
+    char* nickname;
+    int32_t color_hue;
+    double color_saturation;
+    double color_value;
+} FfiCustomize;
+
+typedef struct FfiPlayer {
+    FfiAccount account;
+    FfiCustomize* customize;
+} FfiPlayer;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+FfiPlayer* player_register(const char* id, const char* password);
+bool player_check(const FfiPlayer* player, const char* password);
+void player_set_nickname(FfiPlayer* player, const char* nickname);
+void player_set_hue(FfiPlayer* player, int hue);
+void player_set_hsv(FfiPlayer* player, int hue, double saturation, double value);
+void player_free(FfiPlayer* player);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
\ No newline at end of file
diff --git a/core/bindings/c_lang/src/data/mod.rs b/core/bindings/c_lang/src/data/mod.rs
new file mode 100644
index 0000000..32af6d8
--- /dev/null
+++ b/core/bindings/c_lang/src/data/mod.rs
@@ -0,0 +1 @@
+pub mod ngpd_player;
\ No newline at end of file
diff --git a/core/bindings/c_lang/src/data/ngpd_player.rs b/core/bindings/c_lang/src/data/ngpd_player.rs
new file mode 100644
index 0000000..2ab615c
--- /dev/null
+++ b/core/bindings/c_lang/src/data/ngpd_player.rs
@@ -0,0 +1,139 @@
+use std::ffi::{CStr, CString};
+use std::os::raw::{c_char, c_double, c_int};
+use std::ptr;
+use nogamepads_core::data::player::player_data::{Account, Customize, Player};
+
+#[repr(C)]
+pub struct FfiAccount {
+    id: *mut c_char,
+    player_hash: *mut c_char,
+}
+
+#[repr(C)]
+pub struct FfiCustomize {
+    nickname: *mut c_char,
+    color_hue: c_int,
+    color_saturation: c_double,
+    color_value: c_double,
+}
+
+#[repr(C)]
+pub struct FfiPlayer {
+    account: FfiAccount,
+    customize: *mut FfiCustomize,
+}
+
+impl From<Account> for FfiAccount {
+    fn from(acc: Account) -> Self {
+        FfiAccount {
+            id: CString::new(acc.id).unwrap().into_raw(),
+            player_hash: CString::new(acc.player_hash).unwrap().into_raw(),
+        }
+    }
+}
+
+impl From<Player> for FfiPlayer {
+    fn from(player: Player) -> Self {
+        let account = FfiAccount::from(player.account);
+        let customize = player.customize.map(|c| {
+            Box::into_raw(Box::new(FfiCustomize {
+                nickname: CString::new(c.nickname).unwrap().into_raw(),
+                color_hue: c.color_hue,
+                color_saturation: c.color_saturation,
+                color_value: c.color_value,
+            }))
+        }).unwrap_or(ptr::null_mut());
+
+        FfiPlayer { account, customize }
+    }
+}
+
+impl TryFrom<&FfiPlayer> for Player {
+    type Error = ();
+
+    fn try_from(ffi: &FfiPlayer) -> Result<Self, Self::Error> {
+        let account = Account {
+            id: unsafe { CStr::from_ptr(ffi.account.id) }.to_str().map_err(|_| ())?.to_owned(),
+            player_hash: unsafe { CStr::from_ptr(ffi.account.player_hash) }.to_str().map_err(|_| ())?.to_owned(),
+        };
+
+        let customize = if !ffi.customize.is_null() {
+            let c = unsafe { &*ffi.customize };
+            Some(Customize {
+                nickname: unsafe { CStr::from_ptr(c.nickname) }.to_str().map_err(|_| ())?.to_owned(),
+                color_hue: c.color_hue,
+                color_saturation: c.color_saturation,
+                color_value: c.color_value,
+            })
+        } else {
+            None
+        };
+
+        Ok(Player { account, customize })
+    }
+}
+
+#[unsafe(no_mangle)]
+pub extern "C" fn player_register(id: *const c_char, password: *const c_char) -> *mut FfiPlayer {
+    let id_str = unsafe { CStr::from_ptr(id) }.to_string_lossy();
+    let pass_str = unsafe { CStr::from_ptr(password) }.to_string_lossy();
+
+    let player = Player::register(id_str.into_owned(), pass_str.into_owned());
+    Box::into_raw(Box::new(FfiPlayer::from(player)))
+}
+
+#[unsafe(no_mangle)]
+pub extern "C" fn player_check(player: *const FfiPlayer, password: *const c_char) -> bool {
+    let player = unsafe { &*player };
+    let pass_str = unsafe { CStr::from_ptr(password) }.to_string_lossy();
+
+    Player::try_from(player)
+        .map(|p| p.check(pass_str.into_owned()))
+        .unwrap_or(false)
+}
+
+#[unsafe(no_mangle)]
+pub extern "C" fn player_set_nickname(player: *mut FfiPlayer, nickname: *const c_char) {
+    let nickname_str = unsafe { CStr::from_ptr(nickname) }.to_string_lossy().into_owned();
+    let mut rust_player : Player = unsafe { (&*player).try_into().unwrap() };
+
+    rust_player.nickname(&nickname_str);
+    *unsafe { &mut *player } = FfiPlayer::from(rust_player);
+}
+
+#[unsafe(no_mangle)]
+pub extern "C" fn player_set_hue(player: *mut FfiPlayer, hue: c_int) {
+    let mut rust_player : Player = unsafe { (&*player).try_into().unwrap() };
+
+    rust_player.hue(hue);
+    *unsafe { &mut *player } = FfiPlayer::from(rust_player);
+}
+
+#[unsafe(no_mangle)]
+pub extern "C" fn player_set_hsv(
+    player: *mut FfiPlayer, hue: c_int, saturation: c_double, value: c_double
+) {
+    let mut rust_player : Player = unsafe { (&*player).try_into().unwrap() };
+
+    rust_player.hsv(hue, saturation, value);
+    *unsafe { &mut *player } = FfiPlayer::from(rust_player);
+}
+
+#[unsafe(no_mangle)]
+pub extern "C" fn player_free(player: *mut FfiPlayer) {
+    if player.is_null() { return; }
+
+    let ffi_player = unsafe { Box::from_raw(player) };
+
+    // Free account strings
+    unsafe {
+        let _ = CString::from_raw(ffi_player.account.id);
+        let _ = CString::from_raw(ffi_player.account.player_hash);
+    }
+
+    // Free customize if present
+    if !ffi_player.customize.is_null() {
+        let ffi_custom = unsafe { Box::from_raw(ffi_player.customize) };
+        unsafe { let _ = CString::from_raw(ffi_custom.nickname); };
+    }
+}
\ No newline at end of file
diff --git a/core/bindings/c_lang/src/lib.rs b/core/bindings/c_lang/src/lib.rs
new file mode 100644
index 0000000..12e35bb
--- /dev/null
+++ b/core/bindings/c_lang/src/lib.rs
@@ -0,0 +1 @@
+pub mod data;
\ No newline at end of file