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120 lines
2.0 KiB
120 lines
2.0 KiB
package mightypork.gamecore.input;
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import java.util.Iterator;
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import java.util.LinkedHashSet;
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import java.util.Set;
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import org.lwjgl.input.Keyboard;
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/**
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* Key stroke trigger
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*
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* @author MightyPork
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*/
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public class KeyStroke {
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private final Set<Integer> keys = new LinkedHashSet<>();
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private final boolean fallingEdge;
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/**
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* KeyStroke
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*
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* @param fallingEdge true for falling edge, up for rising edge
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* @param keys keys that must be pressed
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*/
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public KeyStroke(boolean fallingEdge, int... keys) {
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this.fallingEdge = fallingEdge;
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for (final int k : keys) {
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this.keys.add(k);
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}
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}
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/**
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* Rising edge keystroke
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*
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* @param keys
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*/
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public KeyStroke(int... keys) {
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fallingEdge = false;
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for (final int k : keys) {
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this.keys.add(k);
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}
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}
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/**
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* @return true if the keystroke is currently satisfied (keys pressed)
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*/
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public boolean isActive()
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{
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boolean st = true;
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for (final int k : keys) {
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st &= Keyboard.isKeyDown(k);
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}
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return fallingEdge ? st : !st;
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}
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@Override
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public int hashCode()
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{
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final int prime = 31;
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int result = 1;
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result = prime * result + ((keys == null) ? 0 : keys.hashCode());
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return result;
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}
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@Override
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public boolean equals(Object obj)
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{
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if (this == obj) return true;
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if (obj == null) return false;
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if (!(obj instanceof KeyStroke)) return false;
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final KeyStroke other = (KeyStroke) obj;
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if (keys == null) {
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if (other.keys != null) return false;
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} else if (!keys.equals(other.keys)) {
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return false;
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}
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if (fallingEdge != other.fallingEdge) return false;
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return true;
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}
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@Override
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public String toString()
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{
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String s = "(";
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int cnt = 0;
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final Iterator<Integer> i = keys.iterator();
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for (; i.hasNext(); cnt++) {
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if (cnt > 0) s += "+";
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s += Keyboard.getKeyName(i.next());
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}
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s += fallingEdge ? ",DOWN" : ",UP";
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s += ")";
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return s;
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}
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/**
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* @return the key set
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*/
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public Set<Integer> getKeys()
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{
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return keys;
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}
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}
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