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docs/blueprints/14-data-assets/115_DA_AdaptationRule.md

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+# DA_AdaptationRule — Data Asset
+
+**Parent Class:** `UDataAsset`
+**Dependencies:** [`BPC_DifficultyManager`](../10-adaptive/62_BPC_DifficultyManager.md)
+**Purpose:** Defines adaptation rules for dynamic difficulty adjustment — thresholds, modifiers, and response curves.
+
+---
+
+## Variables / Structure
+
+| Field | Type | Description |
+|-------|------|-------------|
+| `RuleTag` | `FGameplayTag` | Unique rule identifier |
+| `AdaptationDomain` | `EAdaptationDomain` | EnemyCount, EnemyAggression, ResourceScarcity, EnvironmentalHazard |
+| `ThresholdCheck` | `EThresholdType` | PlayerDeathCount, ClearTime, HealthLost, AmmoUsed |
+| `ThresholdValue` | `float` | Trigger value for adaptation |
+| `ModifierCurve` | `UCurveFloat*` | Response curve for modifier scaling |
+| `ResponseMultiplier` | `float` | Base modifier strength |
+| `MaxModifier` | `float` | Cap on total modifier |
+| `CooldownMinutes` | `float` | Min time between adaptations |
+| `bCanRevert` | `bool` | Adaptation can reverse |
+
+---
+
+## Gameplay Tags
+- Namespace: `Adaptation.<Domain>.<Rule>` (e.g., `Adaptation.EnemyCount.IncreaseOnLowDeaths`)
+
+---
+
+## Validation Rules
+- `RuleTag` must be unique
+- `ModifierCurve` must be valid
+
+---
+
+## Example Data
+
+| Field | Value |
+|-------|-------|
+| RuleTag | `Adaptation.EnemyAggression.IncreaseOnSpeed` |
+| AdaptationDomain | EnemyAggression |
+| ThresholdCheck | ClearTime |
+| ThresholdValue | 300.0 |
+| ResponseMultiplier | 1.5 |
+
+---
+
+## Consumed By
+- [`BPC_DifficultyManager`](../10-adaptive/62_BPC_DifficultyManager.md)
+
+## Reuse Notes
+- Rules are composable — multiple rules apply simultaneously
+- Curves allow non-linear adaptation responses