package net.minecraft.util;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import org.lwjgl.input.Mouse;
import org.lwjgl.opengl.Display;
@SideOnly(Side.CLIENT)
public class MouseHelper
{
/** Mouse delta X this frame */
public int deltaX;
/** Mouse delta Y this frame */
public int deltaY;
private static final String __OBFID = "CL_00000648";
/**
* Grabs the mouse cursor it doesn't move and isn't seen.
*/
public void grabMouseCursor()
{
if (Boolean.parseBoolean(System.getProperty("fml.noGrab","false"))) return;
Mouse.setGrabbed(true);
this.deltaX = 0;
this.deltaY = 0;
}
/**
* Ungrabs the mouse cursor so it can be moved and set it to the center of the screen
*/
public void ungrabMouseCursor()
{
Mouse.setCursorPosition(Display.getWidth() / 2, Display.getHeight() / 2);
Mouse.setGrabbed(false);
}
public void mouseXYChange()
{
this.deltaX = Mouse.getDX();
this.deltaY = Mouse.getDY();
}
}