Initial commit

role-playing-game/src/lib.rs

@@ -0,0 +1,49 @@
+// This stub file contains items that aren't used yet; feel free to remove this module attribute
+// to enable stricter warnings.
+#![allow(unused)]
+
+pub struct Player {
+    pub health: u32,
+    pub mana: Option<u32>,
+    pub level: u32,
+}
+
+impl Player {
+    pub fn revive(&self) -> Option<Player> {
+        if self.health > 0 {
+            None
+        } else {
+            if self.level >= 10 {
+                Some(Player {
+                    health: 100,
+                    mana: Some(100),
+                    level: self.level,
+                })
+            } else {
+                Some(Player {
+                    health: 100,
+                    mana: None,
+                    level: self.level,
+                })
+            }
+        }
+    }
+
+    pub fn cast_spell(&mut self, mana_cost: u32) -> u32 {
+        if self.level >= 10 {
+            if self.mana < Some(mana_cost) {
+                0
+            } else {
+                self.mana = Some(self.mana.unwrap() - mana_cost);
+                mana_cost * 2
+            }
+        } else {
+            if self.health > mana_cost {
+                self.health -= mana_cost;
+            } else {
+                self.health = 0;
+            }
+            0
+        }
+    }
+}