92 lines
2.5 KiB
Dart
92 lines
2.5 KiB
Dart
import 'dart:math' as math;
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import 'package:wolf_dart/classes/coordinate_2d.dart';
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import 'package:wolf_dart/features/entities/enemies/enemy.dart';
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import 'package:wolf_dart/features/entities/entity.dart';
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class Dog extends Enemy {
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static const double speed = 0.05;
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bool _hasBittenThisCycle = false;
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static EnemyType get type => EnemyType.dog;
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Dog({
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required super.x,
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required super.y,
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required super.angle,
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required super.mapId,
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}) : super(
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spriteIndex: type.spriteBaseIdx,
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state: EntityState.idle,
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) {
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health = 1;
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damage = 5;
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}
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@override
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({Coordinate2D movement, double newAngle}) update({
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required int elapsedMs,
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required Coordinate2D playerPosition,
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required bool Function(int x, int y) isWalkable,
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required void Function(int damage) onDamagePlayer,
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required void Function(int x, int y) tryOpenDoor,
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}) {
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Coordinate2D movement = const Coordinate2D(0, 0);
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double newAngle = angle;
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checkWakeUp(
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elapsedMs: elapsedMs,
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playerPosition: playerPosition,
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isWalkable: isWalkable,
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);
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double distance = position.distanceTo(playerPosition);
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double angleToPlayer = position.angleTo(playerPosition);
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if (state != EntityState.idle && state != EntityState.dead) {
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newAngle = angleToPlayer;
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}
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double diff = angleToPlayer - newAngle;
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while (diff <= -math.pi) {
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diff += 2 * math.pi;
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}
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while (diff > math.pi) {
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diff -= 2 * math.pi;
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}
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EnemyAnimation currentAnim = switch (state) {
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EntityState.patrolling => EnemyAnimation.walking,
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EntityState.attacking => EnemyAnimation.attacking,
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EntityState.dead => isDying ? EnemyAnimation.dying : EnemyAnimation.dead,
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_ => EnemyAnimation.idle,
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};
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spriteIndex = type.getSpriteFromAnimation(
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animation: currentAnim,
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elapsedMs: elapsedMs,
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lastActionTime: lastActionTime,
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angleDiff: diff,
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);
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if (state == EntityState.patrolling && distance < 1.0) {
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state = EntityState.attacking;
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lastActionTime = elapsedMs;
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_hasBittenThisCycle = false;
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}
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if (state == EntityState.attacking) {
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int time = elapsedMs - lastActionTime;
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if (time >= 200 && !_hasBittenThisCycle) {
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onDamagePlayer(damage);
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_hasBittenThisCycle = true;
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} else if (time >= 400) {
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state = EntityState.patrolling;
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lastActionTime = elapsedMs;
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}
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}
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return (movement: movement, newAngle: newAngle);
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}
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}
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