enable import/export in native client

(cherry picked from commit 5396c38)

Author: zeitlinger

Diff for: client/Cargo.toml

@@ -3,6 +3,10 @@ name = "client"
 version = "0.1.0"
 edition = "2021"
 
+[features]
+# disable file import and export
+wasm = []
+
 # may be needed for remote client
 #[lib]
 #name = "client"

Diff for: client/src/local_client.rs

@@ -2,20 +2,19 @@
 
 use crate::client;
 use macroquad::prelude::next_frame;
+use std::fs::File;
+use std::io::BufReader;
 
 use crate::client::{Features, GameSyncRequest, GameSyncResult};
 use server::city::City;
-use server::game::Game;
+use server::game::{Game, GameData};
 use server::map::Terrain;
 use server::position::Position;
 use server::resource_pile::ResourcePile;
 use server::unit::UnitType;
 
-pub async fn run(mut game: Game) {
+pub async fn run(mut game: Game, features: &Features) {
     let mut state = client::init().await;
-    let features = Features {
-        import_export: true,
-    };
 
     let mut sync_result = GameSyncResult::None;
     loop {
@@ -110,23 +109,19 @@ fn add_terrain(game: &mut Game, pos: &str, terrain: Terrain) {
     game.map.tiles.insert(Position::from_offset(pos), terrain);
 }
 
-// const EXPORT_FILE: &str = "game.json";
+const EXPORT_FILE: &str = "game.json";
 
 fn import() -> Game {
-    // todo only works with native client
-    // let file = File::open(EXPORT_FILE).expect("Failed to open export file");
-    // let reader = BufReader::new(file);
-    // let data: GameData = serde_json::from_reader(reader).expect("Failed to read export file");
-    // Game::from_data(data)
-    panic!()
+    let file = File::open(EXPORT_FILE).expect("Failed to open export file");
+    let reader = BufReader::new(file);
+    let data: GameData = serde_json::from_reader(reader).expect("Failed to read export file");
+    Game::from_data(data)
 }
 
-fn export(_game: &Game) {
-    // todo only works with native client
-    // serde_json::to_writer_pretty(
-    //     File::create(EXPORT_FILE).expect("Failed to create export file"),
-    //     &game.cloned_data(),
-    // )
-    // .expect("Failed to write export file");
-    panic!()
+fn export(game: &Game) {
+    serde_json::to_writer_pretty(
+        File::create(EXPORT_FILE).expect("Failed to create export file"),
+        &game.cloned_data(),
+    )
+    .expect("Failed to write export file");
 }

Diff for: client/src/local_client/bin/main.rs

@@ -1,14 +1,21 @@
+use client::client::Features;
 use client::local_client;
 use server::game::Game;
 
 #[macroquad::main("Clash")]
 async fn main() {
+    let wasm = cfg!(feature = "wasm");
+
+    let features = Features {
+        import_export: !wasm,
+    };
+
     //todo add button to decide random or fixed game
     let game = if false {
         Game::new(2, "a".repeat(32), true)
     } else {
         local_client::setup_local_game()
     };
 
-    local_client::run(game).await;
+    local_client::run(game, &features).await;
 }

Diff for: client/wasm-bindgen-macroquad.sh

@@ -114,10 +114,10 @@ TARGET_DIR="target/wasm32-unknown-unknown"
 # Build
 echo "Building $PROJECT_NAME..."
 if [ -n "$RELEASE" ]; then
-	cargo build --release --target wasm32-unknown-unknown
+	cargo build --release --target wasm32-unknown-unknown --features "wasm"
 	TARGET_DIR="$TARGET_DIR/release"
 else
-	cargo build --target wasm32-unknown-unknown
+	cargo build --target wasm32-unknown-unknown --features "wasm"
 	TARGET_DIR="$TARGET_DIR/debug"
 fi