87 lines
1.9 KiB
Java
87 lines
1.9 KiB
Java
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package input;
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public class InputBuffer {
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private static final Boolean[] baseInputs = {false,false,false,false,false,false,false,false};
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/**
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* a list of various inputs being recorded, such as inputs pressed at each frame
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* Each element is a tab where each element represent a possible input
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* (UP, Down, Right, Left, A, B, C, D)
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* if the value at the corresponding index is true, then the input is pressed
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* By default, no input is pressed.
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*/
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private Boolean[][] inputList;
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/*
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* the size of the input buffer
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*/
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private int size;
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/*
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* the current position in the tab of the last newest input recorded
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* This should never bee accessed outside of this class.
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*/
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private int pos;
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/**
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* base constructor of the InputBuffer. Creates a buffer of size 1, with every input empty
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*/
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public InputBuffer() {
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this.size = 1;
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this.pos = 0;
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this.inputList = new Boolean[1][8];
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setLatestInputs(baseInputs);
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}
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public InputBuffer(int size) {
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this.size = size;
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this.pos = 0;
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this.inputList = new Boolean[this.size][8];
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for(int i = 0; i < this.size; i++) {this.inputList[i] = baseInputs;}
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}
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/**
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* @return the latest added inputs
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*/
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public Boolean[] getLatestInputs() {
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return this.inputList[this.pos];
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}
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/**
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* Sets the last input without moving the current position
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* @param inputs
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*/
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private void setLatestInputs(Boolean[] inputs) {
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try {
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for(int i = 0; i < 8; i++) {
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this.inputList[pos][i] = inputs[i];
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}
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} catch (ArrayIndexOutOfBoundsException e) { //TODO : what do we do in this case ?
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}
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}
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/**
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* advances the current position to the next one (goes back to the first if at the end
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*/
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private void nextPos() {
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this.pos++;
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if(this.pos == size) {this.pos = 0;}
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}
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/**
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* record a new input in the
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* @param inputs a size 8 tab of inputs
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*/
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private void recordInputs(Boolean[] inputs) {
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this.nextPos();
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this.setLatestInputs(inputs);
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}
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}
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