Version 3.9.8

CHANGELOG.md

@@ -1,3 +1,7 @@
+# 3.9.8
+- Fix bug when hitbox anchor is center.
+- BREAKING CHANGE: Update `bool receiveDamage` to `void onReceiveDamage`. Now to perform receive of attack use `handleAttack` method.
+
 # 3.9.7
 - Update `tiledjsonreader`
 - Bugfix/tile rotation collision. [#535](https://github.com/RafaelBarbosatec/bonfire/pull/535)

example/lib/pages/player/simple/human.dart

@@ -14,7 +14,12 @@ class HumanPlayer extends SimplePlayer with BlockMovementCollision {
   @override
   Future<void> onLoad() {
     /// Adds rectangle collision
-    add(RectangleHitbox(size: size / 2, position: size / 4));
+    add(
+      RectangleHitbox(
+        size: size / 2,
+        position: size / 4,
+      ),
+    );
     return super.onLoad();
   }
 }

example/lib/shared/decoration/spikes.dart

@@ -15,9 +15,9 @@ class Spikes extends GameDecoration with Sensor<Attackable> {
   @override
   void onContact(Attackable component) {
     if (component is Player) {
-      component.receiveDamage(AttackOriginEnum.ENEMY, 10, 1);
+      component.handleAttack(AttackOriginEnum.ENEMY, 10, 1);
     } else {
-      component.receiveDamage(AttackOriginEnum.PLAYER_OR_ALLY, 10, 1);
+      component.handleAttack(AttackOriginEnum.PLAYER_OR_ALLY, 10, 1);
     }
   }
 }

lib/collision/block_movement_collision.dart

@@ -50,9 +50,9 @@ mixin BlockMovementCollision on Movement {
 
     if (_bodyType.isDynamic) {
       Vector2 correction;
-      double depth = collisionData.depth;
-      if (depth != 0) {
-        depth = collisionData.depth.abs() + 0.08;
+      double depth = collisionData.depth.abs();
+      if (depth > 0) {
+        depth += 0.08;
       }
 
       correction = (-collisionData.normal * depth);

lib/collision/collision_util.dart

@@ -101,7 +101,7 @@ final _cachedGlobalVertices = ValueCache<List<Vector2>>();
 
 extension PolygonComponentExt on PolygonComponent {
   List<Vector2> get absoluteVertices {
-    final Vector2 p = absolutePosition;
+    final Vector2 p = absoluteTopLeftPosition;
     final adjustedVerticies =
         absoluteAngle == 0 ? vertices : rotatedVerticesBonfire(absoluteAngle);
 

lib/mixins/attackable.dart

@@ -25,12 +25,13 @@ mixin Attackable on GameComponent {
 
   double get life => _life;
 
+  /// Set initial life
   void initialLife(double life) {
     _life = life;
     _maxLife = life;
   }
 
-  /// increase life
+  /// Increase life
   void addLife(double life) {
     double newLife = _life + life;
 
@@ -43,6 +44,7 @@ mixin Attackable on GameComponent {
     _verifyLimitsLife();
   }
 
+  // Update life
   void updateLife(double life, {bool verifyDieOrRevive = true}) {
     _life = life;
     if (verifyDieOrRevive) {
@@ -62,7 +64,10 @@ mixin Attackable on GameComponent {
     _verifyLimitsLife();
   }
 
+  // Called when life is removed
   void onRemoveLife(double life) {}
+
+  // Called when life is restored
   void onRestoreLife(double life) {}
 
   void _verifyLimitsLife() {
@@ -75,16 +80,25 @@ mixin Attackable on GameComponent {
 
   /// This method is called to give damage a this component.
   /// Only receive damage if the method [checkCanReceiveDamage] return `true`.
-  bool receiveDamage(
+  bool handleAttack(
     AttackOriginEnum attacker,
     double damage,
     dynamic identify,
   ) {
-    if (checkCanReceiveDamage(attacker)) {
-      removeLife(damage);
-      return true;
+    final canReceive = checkCanReceiveDamage(attacker);
+    if (canReceive) {
+      onReceiveDamage(attacker, damage, identify);
     }
-    return false;
+    return canReceive;
+  }
+
+  // Called when the component receives damage
+  void onReceiveDamage(
+    AttackOriginEnum attacker,
+    double damage,
+    dynamic identify,
+  ) {
+    removeLife(damage);
   }
 
   /// This method is used to check if this component can receive damage from any attacker.
@@ -112,15 +126,18 @@ mixin Attackable on GameComponent {
     return false;
   }
 
+  // Called when the component dies
   void onDie() {
     _isDead = true;
   }
 
+  // Called when the component revives
   void onRevive() {
     _isDead = false;
   }
 
   bool get isDead => _isDead;
 
+  // Get rect collision of the component used to receive damage
   Rect rectAttackable() => rectCollision;
 }

lib/objects/flying_attack_game_object.dart

@@ -123,7 +123,7 @@ class FlyingAttackGameObject extends AnimatedGameObject
   @override
   void onCollision(Set<Vector2> intersectionPoints, PositionComponent other) {
     if (other is Attackable && animationDestroy == null) {
-      other.receiveDamage(attackFrom, damage, id);
+      other.handleAttack(attackFrom, damage, id);
     }
     if (other is GameComponent) {
       _destroyObject(other);

lib/util/damage_hitbox.dart

@@ -52,7 +52,7 @@ class DamageHitbox extends GameComponent {
           .attackables(onlyVisible: true)
           .where((a) => a.rectAttackable().overlaps(toAbsoluteRect()))
           .forEach((attackable) {
-        final receiveDamage = attackable.receiveDamage(origin, damage, id);
+        final receiveDamage = attackable.handleAttack(origin, damage, id);
         if (receiveDamage) {
           onDamage?.call(attackable);
         }

pubspec.yaml

@@ -1,6 +1,6 @@
 name: bonfire
 description: (RPG maker) Create RPG-style or similar games more simply with Flame.
-version: 3.9.7
+version: 3.9.8
 homepage: https://bonfire-engine.github.io
 repository: https://github.com/RafaelBarbosatec/bonfire
 issue_tracker: https://github.com/RafaelBarbosatec/bonfire/issues