opsu-dance/src/yugecin/opsudance/utils/GLHelper.java
2017-05-27 01:46:50 +02:00

113 lines
3.2 KiB
Java

/*
* opsu!dance - fork of opsu! with cursordance auto
* Copyright (C) 2017 yugecin
*
* opsu!dance is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* opsu!dance is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with opsu!dance. If not, see <http://www.gnu.org/licenses/>.
*/
package yugecin.opsudance.utils;
import org.lwjgl.BufferUtils;
import org.lwjgl.LWJGLException;
import org.lwjgl.input.Cursor;
import org.lwjgl.input.Mouse;
import org.lwjgl.opengl.Display;
import org.lwjgl.opengl.DisplayMode;
import org.newdawn.slick.opengl.ImageIOImageData;
import org.newdawn.slick.opengl.LoadableImageData;
import org.newdawn.slick.opengl.TGAImageData;
import org.newdawn.slick.util.Log;
import org.newdawn.slick.util.ResourceLoader;
import java.nio.ByteBuffer;
import java.nio.IntBuffer;
import static yugecin.opsudance.core.errorhandling.ErrorHandler.*;
public class GLHelper {
/**
* from org.newdawn.slick.AppGameContainer#setDisplayMode
*/
public static DisplayMode findFullscreenDisplayMode(int targetBPP, int targetFrequency, int width, int height) throws LWJGLException {
DisplayMode[] modes = Display.getAvailableDisplayModes();
DisplayMode foundMode = null;
int freq = 0;
int bpp = 0;
for (DisplayMode current : modes) {
if (current.getWidth() != width || current.getHeight() != height) {
continue;
}
if (current.getBitsPerPixel() == targetBPP && current.getFrequency() == targetFrequency) {
return current;
}
if (current.getFrequency() >= freq && (foundMode == null || current.getBitsPerPixel() >= bpp)) {
foundMode = current;
freq = foundMode.getFrequency();
bpp = foundMode.getBitsPerPixel();
}
}
return foundMode;
}
/**
* from org.newdawn.slick.AppGameContainer#setDisplayMode
*/
public static void setIcons(String[] refs) {
ByteBuffer[] bufs = new ByteBuffer[refs.length];
for (int i = 0; i < refs.length; i++) {
LoadableImageData data;
boolean flip = true;
if (refs[i].endsWith(".tga")) {
data = new TGAImageData();
} else {
flip = false;
data = new ImageIOImageData();
}
try {
bufs[i] = data.loadImage(ResourceLoader.getResourceAsStream(refs[i]), flip, false, null);
} catch (Exception e) {
Log.error("failed to set the icon", e);
return;
}
}
Display.setIcon(bufs);
}
public static void hideNativeCursor() {
try {
int min = Cursor.getMinCursorSize();
IntBuffer tmp = BufferUtils.createIntBuffer(min * min);
Mouse.setNativeCursor(new Cursor(min, min, min / 2, min / 2, 1, tmp, null));
} catch (LWJGLException e) {
explode("Cannot hide native cursor", e, DEFAULT_OPTIONS);
}
}
public static void showNativeCursor() {
try {
Mouse.setNativeCursor(null);
} catch (LWJGLException e) {
explode("Cannot show native cursor", e, DEFAULT_OPTIONS);
}
}
}