96 lines
2.5 KiB
Java
96 lines
2.5 KiB
Java
package ei.engine.input;
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import org.lwjgl.input.Mouse;
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import ei.engine.LWJGLGameWindow;
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import ei.engine.math.Vector2f;
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import ei.engine.scene.Sprite;
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/**
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* Handles the mous input
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* @author Ziver
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*
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*/
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public abstract class MouseInput extends Input{
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// The x pos of the mouse
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private int cursorX;
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// The y pos of the mouse
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private int cursorY;
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// The texute for the mouse
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private Sprite cursor;
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public MouseInput(String name) {
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super(name);
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// init mouse: this will hide the native cursor (see drawCursor())
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Mouse.setGrabbed(true);
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// set initial cursor pos to center screen
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cursorX = (int) LWJGLGameWindow.getWidth() / 2;
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cursorY = (int) LWJGLGameWindow.getHeight() / 2;
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}
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/**
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* Renders the mous texture if texture set
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*/
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public void render() {
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if(cursor != null){
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cursor.render();
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}
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}
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/**
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* Updates the pos of the mouse and send any
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* change to mouseMove(), mouseDown() or mouseUp()
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*/
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public void update() {
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int mouseDX = Mouse.getDX();
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int mouseDY = Mouse.getDY();
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int mouseDW = Mouse.getDWheel();
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if (mouseDX != 0 || mouseDY != 0 || mouseDW != 0) {
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cursorX += mouseDX;
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cursorY += mouseDY;
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if (cursorX < 0) {
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cursorX = 0;
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}
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else if (cursorX > LWJGLGameWindow.getWidth()) {
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cursorX = LWJGLGameWindow.getWidth();
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}
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if (cursorY < 0) {
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cursorY = 0;
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}
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else if (cursorY > LWJGLGameWindow.getHeight()) {
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cursorY = LWJGLGameWindow.getHeight();
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}
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mouseMove(cursorX,cursorY);
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}
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while ( Mouse.next() ) {
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if(Mouse.getEventButton() == 0 && Mouse.getEventButtonState() == true) {
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mouseDown(cursorX, cursorY);
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}
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if(Mouse.getEventButton() == 0 && Mouse.getEventButtonState() == false) {
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mouseUp(cursorX, cursorY);
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}
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}
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if(cursor != null){
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cursor.setLocation(new Vector2f(cursorX, cursorY));
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}
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}
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/**
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* Called by update() when mouse moves
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*/
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public abstract void mouseMove(int x, int y);
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/**
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* Called by update() when mouse button is pressed
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*/
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public abstract void mouseDown(int x, int y);
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/**
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* Called by update() when mouse button is released
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*/
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public abstract void mouseUp(int x, int y);
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}
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