InputTouchScreen.java revision 2b1168acefb6a4104bb7f008df6ac51fcd1de7ec 
1package com.replica.replicaisland;
2
3public class InputTouchScreen extends BaseObject {
4
5	private int MAX_TOUCH_POINTS = 5;
6	private InputXY mTouchPoints[];
7
8	public InputTouchScreen() {
9		mTouchPoints = new InputXY[MAX_TOUCH_POINTS];
10		for (int x = 0; x < MAX_TOUCH_POINTS; x++) {
11			mTouchPoints[x] = new InputXY();
12		}
13	}
14
15	@Override
16	public void reset() {
17		for (int x = 0; x < MAX_TOUCH_POINTS; x++) {
18			mTouchPoints[x].reset();
19		}
20	}
21
22	public final void press(int index, float currentTime, float x, float y) {
23		assert (index >= 0 && index < MAX_TOUCH_POINTS);
24		if (index < MAX_TOUCH_POINTS) {
25			mTouchPoints[index].press(currentTime, x, y);
26		}
27	}
28
29	public final void release(int index) {
30		if (index < MAX_TOUCH_POINTS) {
31			mTouchPoints[index].release();
32		}
33	}
34
35	public void resetAll() {
36		for (int x = 0; x < MAX_TOUCH_POINTS; x++) {
37			mTouchPoints[x].reset();
38		}
39	}
40
41	public boolean getTriggered(int index, float time) {
42		boolean triggered = false;
43		if (index < MAX_TOUCH_POINTS) {
44			triggered = mTouchPoints[index].getTriggered(time);
45		}
46		return triggered;
47	}
48
49	public boolean getPressed(int index) {
50		boolean pressed = false;
51		if (index < MAX_TOUCH_POINTS) {
52			pressed = mTouchPoints[index].getPressed();
53		}
54		return pressed;
55	}
56
57	public final void setVector(int index, Vector2 vector) {
58		if (index < MAX_TOUCH_POINTS) {
59			mTouchPoints[index].setVector(vector);
60		}
61	}
62
63	public final float getX(int index) {
64		float magnitude = 0.0f;
65		if (index < MAX_TOUCH_POINTS) {
66			magnitude = mTouchPoints[index].getX();
67		}
68		return magnitude;
69	}
70
71	public final float getY(int index) {
72		float magnitude = 0.0f;
73		if (index < MAX_TOUCH_POINTS) {
74			magnitude = mTouchPoints[index].getY();
75		}
76		return magnitude;
77	}
78
79	public final float getLastPressedTime(int index) {
80		float time = 0.0f;
81		if (index < MAX_TOUCH_POINTS) {
82			time = mTouchPoints[index].getLastPressedTime();
83		}
84		return time;
85	}
86
87	public InputXY findPointerInRegion(float regionX, float regionY, float regionWidth, float regionHeight) {
88		InputXY touch = null;
89		for (int x = 0; x < MAX_TOUCH_POINTS; x++) {
90			final InputXY pointer = mTouchPoints[x];
91			if (pointer.getPressed() &&
92					getTouchedWithinRegion(pointer.getX(), pointer.getY(), regionX, regionY, regionWidth, regionHeight)) {
93				touch = pointer;
94				break;
95			}
96		}
97		return touch;
98	}
99
100	private final boolean getTouchedWithinRegion(float x, float y, float regionX, float regionY, float regionWidth, float regionHeight) {
101		 return (x >= regionX &&
102				 y >= regionY &&
103				 x <= regionX + regionWidth &&
104				 y <= regionY + regionHeight);
105	}
106
107	public boolean getTriggered(float gameTime) {
108		boolean triggered = false;
109		for (int x = 0; x < MAX_TOUCH_POINTS && !triggered; x++) {
110			triggered = mTouchPoints[x].getTriggered(gameTime);
111		}
112		return triggered;
113	}
114
115}
116