lan/HMCL
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

feat: automatically detect skin model when uploading

Browse Source
This commit is contained in:
Haowei Wen
2021-02-17 02:34:40 +08:00
committed by Yuhui Huang
parent 7ece35e28a
commit e3fa7428bf
8 changed files with 251 additions and 31 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
HMCLCore/src/main/java/org/jackhuang/hmcl/util/skin/InvalidSkinException.java Normal file
View File

@@ -0,0 +1,35 @@
/*
* Hello Minecraft! Launcher
* Copyright (C) 2021 huangyuhui <huanghongxun2008@126.com> and contributors
*
* This program 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.
*
* This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
*/
package org.jackhuang.hmcl.util.skin;
public class InvalidSkinException extends Exception {
public InvalidSkinException() {}
public InvalidSkinException(String message) {
super(message);
}
public InvalidSkinException(Throwable cause) {
super(cause);
}
public InvalidSkinException(String message, Throwable cause) {
super(message, cause);
}
}

152
HMCLCore/src/main/java/org/jackhuang/hmcl/util/skin/NormalizedSkin.java Normal file
View File

@@ -0,0 +1,152 @@
/*
* Hello Minecraft! Launcher
* Copyright (C) 2021 huangyuhui <huanghongxun2008@126.com> and contributors
*
* This program 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.
*
* This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
*/
package org.jackhuang.hmcl.util.skin;
import java.awt.image.BufferedImage;
/**
* Describes a Minecraft 1.8+ skin (64x64).
* Old format skins are converted to the new format.
*
* @author yushijinhun
*/
public class NormalizedSkin {
private static void copyImage(BufferedImage src, BufferedImage dst, int sx, int sy, int dx, int dy, int w, int h, boolean flipHorizontal) {
for (int y = 0; y < h; y++) {
for (int x = 0; x < w; x++) {
int pixel = src.getRGB(sx + x, sy + y);
dst.setRGB(dx + (flipHorizontal ? w - x - 1 : x), dy + y, pixel);
}
}
}
private final BufferedImage texture;
private final BufferedImage normalizedTexture;
private final int scale;
private final boolean oldFormat;
public NormalizedSkin(BufferedImage texture) throws InvalidSkinException {
this.texture = texture;
// check format
int w = texture.getWidth();
int h = texture.getHeight();
if (w % 64 != 0) {
throw new InvalidSkinException("Invalid size " + w + "x" + h);
}
if (w == h) {
oldFormat = false;
} else if (w == h * 2) {
oldFormat = true;
} else {
throw new InvalidSkinException("Invalid size " + w + "x" + h);
}
// compute scale
scale = w / 64;
normalizedTexture = new BufferedImage(w, w, BufferedImage.TYPE_INT_ARGB);
copyImage(texture, normalizedTexture, 0, 0, 0, 0, w, h, false);
if (oldFormat) {
convertOldSkin();
}
}
private void convertOldSkin() {
copyImageRelative(4, 16, 20, 48, 4, 4, true); // Top Leg
copyImageRelative(8, 16, 24, 48, 4, 4, true); // Bottom Leg
copyImageRelative(0, 20, 24, 52, 4, 12, true); // Outer Leg
copyImageRelative(4, 20, 20, 52, 4, 12, true); // Front Leg
copyImageRelative(8, 20, 16, 52, 4, 12, true); // Inner Leg
copyImageRelative(12, 20, 28, 52, 4, 12, true); // Back Leg
copyImageRelative(44, 16, 36, 48, 4, 4, true); // Top Arm
copyImageRelative(48, 16, 40, 48, 4, 4, true); // Bottom Arm
copyImageRelative(40, 20, 40, 52, 4, 12, true); // Outer Arm
copyImageRelative(44, 20, 36, 52, 4, 12, true); // Front Arm
copyImageRelative(48, 20, 32, 52, 4, 12, true); // Inner Arm
copyImageRelative(52, 20, 44, 52, 4, 12, true); // Back Arm
}
private void copyImageRelative(int sx, int sy, int dx, int dy, int w, int h, boolean flipHorizontal) {
copyImage(normalizedTexture, normalizedTexture, sx * scale, sy * scale, dx * scale, dy * scale, w * scale, h * scale, flipHorizontal);
}
public BufferedImage getOriginalTexture() {
return texture;
}
public BufferedImage getNormalizedTexture() {
return normalizedTexture;
}
public int getScale() {
return scale;
}
public boolean isOldFormat() {
return oldFormat;
}
/**
* Tests whether the skin is slim.
* Note that this method doesn't guarantee the result is correct.
*/
public boolean isSlim() {
return (hasTransparencyRelative(50, 16, 2, 4) ||
hasTransparencyRelative(54, 20, 2, 12) ||
hasTransparencyRelative(42, 48, 2, 4) ||
hasTransparencyRelative(46, 52, 2, 12)) ||
(isAreaBlackRelative(50, 16, 2, 4) &&
isAreaBlackRelative(54, 20, 2, 12) &&
isAreaBlackRelative(42, 48, 2, 4) &&
isAreaBlackRelative(46, 52, 2, 12));
}
private boolean hasTransparencyRelative(int x0, int y0, int w, int h) {
x0 *= scale;
y0 *= scale;
w *= scale;
h *= scale;
for (int y = 0; y < h; y++) {
for (int x = 0; x < w; x++) {
int pixel = normalizedTexture.getRGB(x0 + x, y0 + y);
if (pixel >>> 24 != 0xff) {
return true;
}
}
}
return false;
}
private boolean isAreaBlackRelative(int x0, int y0, int w, int h) {
x0 *= scale;
y0 *= scale;
w *= scale;
h *= scale;
for (int y = 0; y < h; y++) {
for (int x = 0; x < w; x++) {
int pixel = normalizedTexture.getRGB(x0 + x, y0 + y);
if (pixel != 0xff000000) {
return false;
}
}
}
return true;
}
}