Move common components to shared lib

rc_core/src/persist/tech_tree.rs

@@ -0,0 +1,25 @@
+use serde::{Serialize, Deserialize};
+
+#[derive(Serialize, Deserialize, Clone, Debug, Default)]
+#[serde(default)]
+pub struct TechTreeData {
+    pub position_x: i32,
+    pub position_y: i32,
+    pub tech_points: u32,
+    pub neighbours: Vec<u32>, // cube IDs
+    pub requires: Vec<u32>,
+}
+
+impl TechTreeData {
+    pub fn into_data(self, self_id: u32, self_is_unlocked: bool, self_is_unlockable: bool) -> crate::data::tech_tree::TechTreeNode {
+        crate::data::tech_tree::TechTreeNode {
+            main_cube_id: self_id as i32,
+            position_x: self.position_x,
+            position_y: self.position_y,
+            is_unlocked: self_is_unlocked,
+            is_unlockable: self_is_unlockable,
+            tech_points: self.tech_points,
+            neighbours: self.neighbours.into_iter().map(|x| x as i32).collect(),
+        }
+    }
+}