add: achievement, game

packages/core/src/achievement.ts

@@ -0,0 +1,33 @@
+import type {
+    Achievement,
+    AchievementOpportunity,
+} from '@remake/data/achievement'
+import achievements from '@remake/data/achievement'
+import type { GameState, ProfileState } from '@/state'
+import { createFlatState } from './state'
+import { check } from '@remake/condition'
+import { produce } from 'immer'
+import type { TriggerResult } from '@/game'
+
+const OpportunityMap = Map.groupBy(
+    achievements.keys(),
+    a => achievements.get(a)!.opportunity,
+)
+
+export function trigger(
+    opportunity: AchievementOpportunity,
+    state: GameState,
+    profile: ProfileState,
+): TriggerResult<Achievement['id']> {
+    const flatState = createFlatState(state, profile)
+    const triggers = OpportunityMap.get(opportunity)!.filter(a => {
+        if (state.achievements.has(a)) return false
+        if (profile.achievements.has(a)) return false
+        const { condition } = achievements.get(a)!
+        return check(flatState, condition)
+    })
+    const newState = produce(state, draft => {
+        draft.achievements = new Set([...draft.achievements, ...triggers])
+    })
+    return { state: newState, triggers }
+}