From 686726b414dcb9d0fe66ec0d64436f51919a0fd1 Mon Sep 17 00:00:00 2001
From: David Gay <eapoems@riseup.net>
Date: Mon, 16 Oct 2023 13:41:08 -0400
Subject: Racial ability score min/max (male only)

---
 src/rules/npcs.rs  | 11 +++++++++--
 src/rules/races.rs |  8 ++++++++
 2 files changed, 17 insertions(+), 2 deletions(-)

(limited to 'src/rules')

diff --git a/src/rules/npcs.rs b/src/rules/npcs.rs
index fae1c69..d9fdc0f 100644
--- a/src/rules/npcs.rs
+++ b/src/rules/npcs.rs
@@ -73,6 +73,12 @@ impl Npc {
                 .unwrap_or(0) as u32;
             debug!("After adding racial modifiers, now at {}", total);
 
+            // Ensure racial ability score limits are imposed.
+            // TODO: Use u8 for all of these, so no conversion from u32 will be needed.
+            let [min_score, max_score] = race_ref.ability_score_ranges.get(&ability).unwrap().male;
+            total = total.max(min_score as u32);
+            total = total.min(max_score as u32);
+
             ability_score_rolls.insert(ability, total);
         }
 
@@ -84,7 +90,6 @@ impl Npc {
 
         self.ability_scores = Some(score_collection);
 
-        // TODO: Apply racial minimums and maximums.
         // TODO: Verify legality of class based on alignment.
         // TODO: Verify legality of class based on race.
         // TODO: Verify legality of class based on ability scores.
@@ -123,15 +128,17 @@ impl Npc {
 mod tests {
     use super::*;
     use crate::rules::classes::CLASSES;
+    use crate::rules::races::RACES;
 
     #[test]
     #[ignore]
     #[should_panic(expected = "Ability score generation isn't testable yet.")]
     fn test_roll_henchman_ability_scores() {
         let class_ref = CLASSES.get("fighter").unwrap();
+        let race_ref = RACES.get("dwarf").unwrap();
         let mut npc = Npc {
             alignment: Some(String::from("Lawful Good")),
-            race: Some(String::from("Dwarf")),
+            race: Some(race_ref),
             class: Some(class_ref),
             ability_scores: None,
         };
diff --git a/src/rules/races.rs b/src/rules/races.rs
index 700c7ea..6c9b00f 100644
--- a/src/rules/races.rs
+++ b/src/rules/races.rs
@@ -10,6 +10,14 @@ pub struct Race {
     pub name: String,
     pub ability_score_modifiers: HashMap<AbilityScore, i32>,
     pub npc_ability_score_modifiers: HashMap<AbilityScore, i32>,
+    pub ability_score_ranges: HashMap<AbilityScore, AbilityScoreRange>,
+}
+
+// TODO: Allow configuration of whether to use female ranges or not.
+#[derive(Deserialize)]
+pub struct AbilityScoreRange {
+    pub male: [u8; 2],
+    // pub female: [u8; 2], // TODO: Enable female ranges.
 }
 
 lazy_static! {
-- 
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