Simple genetic simulator, 1

src/creature/species.rs

@@ -0,0 +1,64 @@
+use crate::genetics::{Genetic, Transcriber};
+
+use super::stats::Stat;
+
+#[derive(Default)]
+pub struct Parts {
+    stare: Stat<'e', 'E', 0, 6>,
+    fangs: Stat<'f', 'F', 0, 6>,
+    wings: Stat<'w', 'W', 0, 6>,
+}
+
+impl Parts {
+    pub fn profile(&self) -> String {
+        format!("Species: {:?}\n", self.species())
+    }
+
+    pub fn has_stare(&self) -> bool {
+        return self.stare.value() >= 5;
+    }
+
+    pub fn has_fangs(&self) -> bool {
+        return self.fangs.value() >= 5;
+    }
+
+    pub fn has_wings(&self) -> bool {
+        return self.wings.value() >= 5;
+    }
+
+    pub fn species(&self) -> Species {
+        let mut ix = 0;
+        if self.has_stare() {
+            ix += 4;
+        }
+        if self.has_fangs() {
+            ix += 2;
+        }
+        if self.has_wings() {
+            ix += 1;
+        }
+
+        use Species::*;
+        return [Bunny, Pigeon, Rat, Dragon, Hare, Crow, Snake, Bat][ix];
+    }
+}
+
+impl Genetic for Parts {
+    fn transcribe(&mut self, t: Transcriber) {
+        self.stare.transcribe(t.nest("stare"));
+        self.fangs.transcribe(t.nest("fangs"));
+        self.wings.transcribe(t.nest("wings"));
+    }
+}
+
+#[derive(Clone, Copy, Debug)]
+pub enum Species {
+    Bunny,
+    Pigeon,
+    Rat,
+    Dragon,
+    Hare,
+    Crow,
+    Snake,
+    Bat,
+}