XP system

src/playerprogress.ts

@@ -3,6 +3,7 @@ import {getSkills} from "./skills.ts";
 
 export class PlayerProgress {
   #stats: Record<Stat, number>
+  #exp: number;
   #blood: number
   #skillsLearned: number[]  // use the raw ID representation for indexOf
   #untrimmedSkillsAvailable: Skill[]
@@ -14,6 +15,7 @@ export class PlayerProgress {
       CHA: 10,
       PSI: 10,
     };
+    this.#exp = 0;
     this.#blood = 0;
     this.#skillsLearned = [];
     this.#untrimmedSkillsAvailable = []
@@ -82,6 +84,21 @@ export class PlayerProgress {
     this.#stats[stat] += amount;
   }
 
+  addExperience(amt: number) {
+    this.#exp += amt;
+  }
+
+  getExperience(): number {
+    return this.#exp
+  }
+
+  spendExperience(cost: number) {
+    if (this.#exp < cost) {
+      throw `can't spend ${cost}`
+    }
+    this.#exp -= cost;
+  }
+
   getStat(stat: Stat): number {
     return this.#stats[stat]
   }
@@ -97,9 +114,6 @@ export class PlayerProgress {
   getAvailableSkills(): Skill[] {
     // Sort by cost, then by name, then trim down to first 6
     let skillsAvailable = [...this.#untrimmedSkillsAvailable];
-    skillsAvailable.sort((a, b) => {
-      return getSkills().computeCost(a) - getSkills().computeCost(b)
-    });
     skillsAvailable.sort((a, b) => {
       let name1 = getSkills().get(a).profile.name;
       let name2 = getSkills().get(b).profile.name;
@@ -108,8 +122,12 @@ export class PlayerProgress {
       if (name1 > name2) { return 1; }
       return 0;
     });
+    skillsAvailable.sort((a, b) => {
+      return getSkills().computeCost(a) - getSkills().computeCost(b)
+    });
     return skillsAvailable.slice(0, 6)
   }
+
 }
 
 let active: PlayerProgress = new PlayerProgress();