Move common components to shared lib

rc_core/src/data/mod.rs

@@ -0,0 +1,39 @@
+pub mod auto_regen;
+pub mod campaign;
+pub mod cube_list;
+pub mod game_mode;
+pub mod garage_bay;
+pub mod movement_list;
+pub mod player_data;
+pub mod tech_tree;
+pub mod voting;
+pub mod weapon_list;
+pub mod weapon_upgrade;
+
+pub mod error_codes;
+
+pub fn encode_7_bit_i32(mut src: i32) -> Vec<u8> {
+    if src == 0 { return vec![0] }
+    let mut out = Vec::with_capacity(5);
+    while src != 0 {
+        let last_7 = (src & 0x7F) as u8;
+        src = src >> 7;
+        if src != 0 {
+            out.push(last_7 | 0x80);
+        } else {
+            out.push(last_7);
+        }
+    }
+    out
+}
+
+pub fn write_str_for_binreader(s: &str, writer: &mut dyn std::io::Write) -> std::io::Result<usize> {
+    let s_bytes = s.as_bytes();
+    let mut total_len = writer.write(&encode_7_bit_i32(s_bytes.len() as i32))?;
+    total_len += writer.write(s_bytes)?;
+    Ok(total_len)
+}
+
+pub fn cube_id_to_str(id: u32) -> String {
+    hex::encode(id.to_be_bytes()).into()
+}