1cfd74d65d832137e20e193c960802afba73b5d38sm/*
23c1e67e433728684b5f228c5d4f3e5b1457bb271sm * Copyright (C) 2010 The Android Open Source Project
3cfd74d65d832137e20e193c960802afba73b5d38sm *
4cfd74d65d832137e20e193c960802afba73b5d38sm * Licensed under the Apache License, Version 2.0 (the "License");
5cfd74d65d832137e20e193c960802afba73b5d38sm * you may not use this file except in compliance with the License.
6cfd74d65d832137e20e193c960802afba73b5d38sm * You may obtain a copy of the License at
7cfd74d65d832137e20e193c960802afba73b5d38sm *
8cfd74d65d832137e20e193c960802afba73b5d38sm *      http://www.apache.org/licenses/LICENSE-2.0
9cfd74d65d832137e20e193c960802afba73b5d38sm *
10cfd74d65d832137e20e193c960802afba73b5d38sm * Unless required by applicable law or agreed to in writing, software
11cfd74d65d832137e20e193c960802afba73b5d38sm * distributed under the License is distributed on an "AS IS" BASIS,
12cfd74d65d832137e20e193c960802afba73b5d38sm * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13cfd74d65d832137e20e193c960802afba73b5d38sm * See the License for the specific language governing permissions and
14cfd74d65d832137e20e193c960802afba73b5d38sm * limitations under the License.
15cfd74d65d832137e20e193c960802afba73b5d38sm */
16cfd74d65d832137e20e193c960802afba73b5d38sm
17cfd74d65d832137e20e193c960802afba73b5d38sm
18cfd74d65d832137e20e193c960802afba73b5d38smpackage com.replica.replicaisland;
19cfd74d65d832137e20e193c960802afba73b5d38sm
20cfd74d65d832137e20e193c960802afba73b5d38smpublic class AttackAtDistanceComponent extends GameComponent {
21cfd74d65d832137e20e193c960802afba73b5d38sm    private static final int DEFAULT_ATTACK_DISTANCE = 100;
22cfd74d65d832137e20e193c960802afba73b5d38sm    private float mAttackDistance;
23cfd74d65d832137e20e193c960802afba73b5d38sm    private float mAttackDelay;
24cfd74d65d832137e20e193c960802afba73b5d38sm    private float mAttackLength;
25cfd74d65d832137e20e193c960802afba73b5d38sm    private float mAttackStartTime;
26cfd74d65d832137e20e193c960802afba73b5d38sm    private boolean mRequireFacing;
27cfd74d65d832137e20e193c960802afba73b5d38sm    private Vector2 mDistance;
28cfd74d65d832137e20e193c960802afba73b5d38sm
29cfd74d65d832137e20e193c960802afba73b5d38sm    public AttackAtDistanceComponent() {
30cfd74d65d832137e20e193c960802afba73b5d38sm        super();
31cfd74d65d832137e20e193c960802afba73b5d38sm        setPhase(GameComponent.ComponentPhases.THINK.ordinal());
32cfd74d65d832137e20e193c960802afba73b5d38sm        mDistance = new Vector2();
33cfd74d65d832137e20e193c960802afba73b5d38sm        reset();
34cfd74d65d832137e20e193c960802afba73b5d38sm    }
35cfd74d65d832137e20e193c960802afba73b5d38sm
36cfd74d65d832137e20e193c960802afba73b5d38sm    @Override
37cfd74d65d832137e20e193c960802afba73b5d38sm    public void reset() {
38cfd74d65d832137e20e193c960802afba73b5d38sm        mAttackDelay = 0;
39cfd74d65d832137e20e193c960802afba73b5d38sm        mAttackLength = 0;
40cfd74d65d832137e20e193c960802afba73b5d38sm        mAttackDistance = DEFAULT_ATTACK_DISTANCE;
41cfd74d65d832137e20e193c960802afba73b5d38sm        mRequireFacing = false;
42cfd74d65d832137e20e193c960802afba73b5d38sm    }
43cfd74d65d832137e20e193c960802afba73b5d38sm
44cfd74d65d832137e20e193c960802afba73b5d38sm    @Override
45cfd74d65d832137e20e193c960802afba73b5d38sm    public void update(float timeDelta, BaseObject parent) {
46cfd74d65d832137e20e193c960802afba73b5d38sm        GameObject parentObject = (GameObject) parent;
47cfd74d65d832137e20e193c960802afba73b5d38sm
48cfd74d65d832137e20e193c960802afba73b5d38sm        GameObjectManager manager = sSystemRegistry.gameObjectManager;
49cfd74d65d832137e20e193c960802afba73b5d38sm        if (manager != null) {
50cfd74d65d832137e20e193c960802afba73b5d38sm            GameObject player = manager.getPlayer();
51cfd74d65d832137e20e193c960802afba73b5d38sm            if (player != null) {
52cfd74d65d832137e20e193c960802afba73b5d38sm                mDistance.set(player.getPosition());
53cfd74d65d832137e20e193c960802afba73b5d38sm                mDistance.subtract(parentObject.getPosition());
54cfd74d65d832137e20e193c960802afba73b5d38sm
55cfd74d65d832137e20e193c960802afba73b5d38sm                TimeSystem time = sSystemRegistry.timeSystem;
56cfd74d65d832137e20e193c960802afba73b5d38sm                final float currentTime = time.getGameTime();
57cfd74d65d832137e20e193c960802afba73b5d38sm                final boolean facingPlayer =
58cfd74d65d832137e20e193c960802afba73b5d38sm                    (Utils.sign(player.getPosition().x - parentObject.getPosition().x)
59cfd74d65d832137e20e193c960802afba73b5d38sm                        == Utils.sign(parentObject.facingDirection.x));
60cfd74d65d832137e20e193c960802afba73b5d38sm                final boolean facingDirectionCorrect = (mRequireFacing && facingPlayer)
61cfd74d65d832137e20e193c960802afba73b5d38sm                    || !mRequireFacing;
62cfd74d65d832137e20e193c960802afba73b5d38sm                if (parentObject.getCurrentAction() == GameObject.ActionType.ATTACK) {
63cfd74d65d832137e20e193c960802afba73b5d38sm                    if (currentTime > mAttackStartTime + mAttackLength) {
64cfd74d65d832137e20e193c960802afba73b5d38sm                        parentObject.setCurrentAction(GameObject.ActionType.IDLE);
65cfd74d65d832137e20e193c960802afba73b5d38sm                    }
66cfd74d65d832137e20e193c960802afba73b5d38sm                } else if (mDistance.length2() < (mAttackDistance * mAttackDistance)
67cfd74d65d832137e20e193c960802afba73b5d38sm                            && currentTime > mAttackStartTime + mAttackLength + mAttackDelay
68cfd74d65d832137e20e193c960802afba73b5d38sm                            && facingDirectionCorrect) {
69cfd74d65d832137e20e193c960802afba73b5d38sm                    mAttackStartTime = currentTime;
70cfd74d65d832137e20e193c960802afba73b5d38sm                    parentObject.setCurrentAction(GameObject.ActionType.ATTACK);
71cfd74d65d832137e20e193c960802afba73b5d38sm                } else {
72cfd74d65d832137e20e193c960802afba73b5d38sm                    parentObject.setCurrentAction(GameObject.ActionType.IDLE);
73cfd74d65d832137e20e193c960802afba73b5d38sm                }
74cfd74d65d832137e20e193c960802afba73b5d38sm            }
75cfd74d65d832137e20e193c960802afba73b5d38sm        }
76cfd74d65d832137e20e193c960802afba73b5d38sm
77cfd74d65d832137e20e193c960802afba73b5d38sm    }
78cfd74d65d832137e20e193c960802afba73b5d38sm
79cfd74d65d832137e20e193c960802afba73b5d38sm    public void setupAttack(float distance, float delay, float duration, boolean requireFacing) {
80cfd74d65d832137e20e193c960802afba73b5d38sm        mAttackDistance = distance;
81cfd74d65d832137e20e193c960802afba73b5d38sm        mAttackDelay = delay;
82cfd74d65d832137e20e193c960802afba73b5d38sm        mAttackLength = duration;
83cfd74d65d832137e20e193c960802afba73b5d38sm        mRequireFacing = requireFacing;
84cfd74d65d832137e20e193c960802afba73b5d38sm    }
85cfd74d65d832137e20e193c960802afba73b5d38sm
86cfd74d65d832137e20e193c960802afba73b5d38sm
87cfd74d65d832137e20e193c960802afba73b5d38sm}
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