HD skins and animated GIF capes for NeoForge 1.21.1
Release / release (push) Has been cancelled

This commit is contained in:
Nghtly
2026-07-04 17:43:21 +03:00
commit d404d7bf0b
23 changed files with 1717 additions and 0 deletions
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# Disable autocrlf on generated files, they always generate with LF
# Add any extra files or paths here to make git stop saying they
# are changed when only line endings change.
src/generated/**/.cache/cache text eol=lf
src/generated/**/*.json text eol=lf
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name: Build
on:
push:
branches: [main]
pull_request:
jobs:
build:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v4
- uses: actions/setup-java@v4
with:
distribution: temurin
java-version: '21'
- run: chmod +x ./gradlew
- run: ./gradlew build --no-daemon
- uses: actions/upload-artifact@v3
with:
name: skinsg-jar
path: build/libs/*.jar
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name: Release
on:
push:
tags: ['v*']
jobs:
release:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v4
- uses: actions/setup-java@v4
with:
distribution: temurin
java-version: '21'
- run: chmod +x ./gradlew
- run: ./gradlew build --no-daemon
- uses: akkuman/gitea-release-action@v1
with:
files: build/libs/*.jar
token: ${{ secrets.GITHUB_TOKEN }}
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# eclipse
bin
*.launch
.settings
.metadata
.classpath
.project
# idea
out
*.ipr
*.iws
*.iml
.idea
# gradle
build
.gradle
# other
eclipse
run
runs
run-data
repo
*.log
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# SkinsG
Client-side Minecraft mod that adds **HD skins** (up to 2048×2048) and **animated GIF capes**
(with HD & transparency), driven by a launcher/site asset API keyed on player UUID.
Currently targets **NeoForge 1.21.1**. Fabric/Forge and 1.20.1 / 1.19.2 are planned — the core
(GIF decoder, cape state, mixins) is written to be loader/version agnostic.
## Features
- HD skins: the legacy-skin conversion is rescaled so 128/256/…/2048-wide skins render correctly.
- GIF capes: decoded once, then played back by copying a pre-composited frame per tick — no
per-frame decoding, no AWT, so it doesn't cost FPS. Playback speed comes from the GIF itself.
- HD PNG capes fall through to the vanilla renderer untouched.
- Per-player control and persistence (see below).
## Install
Drop `skinsg-x.y.z.jar` into your `mods/` folder on a NeoForge 1.21.1 client. Client-side only.
## Configuration
On first launch the mod writes `config/skinsg.json` with an **empty** `baseUrl`. Nothing is
fetched until you set it.
```json
{
"baseUrl": "https://your.host",
"mode": "ALL",
"enabled": [],
"blocked": [],
"globalSpeed": 100,
"speed": {}
}
```
- `baseUrl` — root of your asset API. The mod requests `"<baseUrl>/api/minecraft/cape/<uuid>?gif"`;
if the response is a GIF it is animated, otherwise the vanilla cape is kept.
- `globalSpeed` — playback speed in percent (`100` = the GIF's own timing).
- The rest is managed by the in-game commands and shouldn't be edited by hand.
Edit `baseUrl`, then restart the client (or rejoin).
## Commands
`/skinsg` (client-side, tab-completes online players and `@a`):
| Command | Effect |
| --- | --- |
| `/skinsg playgif` | Turn animated capes off (frees memory) |
| `/skinsg playgif @a` | Animate everyone |
| `/skinsg playgif <player>` | Animate only listed players |
| `/skinsg stopgif` | Same as `playgif` with no target — off |
| `/skinsg stopgif @a` | Off for everyone |
| `/skinsg stopgif <player>` | Stop a specific player (works even in `@a` mode) |
| `/skinsg self` | Animate only your own cape |
| `/skinsg speed @a <percent>` | Global speed override |
| `/skinsg speed <player> <percent>` | Per-player speed override |
All settings persist in `config/skinsg.json`.
## Building
```
./gradlew build
```
Output: `build/libs/skinsg-<version>.jar`. Requires JDK 21.
## License
All rights reserved.
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plugins {
id 'java-library'
id 'maven-publish'
id 'net.neoforged.gradle.userdev' version '7.1.20'
}
tasks.named('wrapper', Wrapper).configure {
// Define wrapper values here so as to not have to always do so when updating gradlew.properties.
// Switching this to Wrapper.DistributionType.ALL will download the full gradle sources that comes with
// documentation attached on cursor hover of gradle classes and methods. However, this comes with increased
// file size for Gradle. If you do switch this to ALL, run the Gradle wrapper task twice afterwards.
// (Verify by checking gradle/wrapper/gradle-wrapper.properties to see if distributionUrl now points to `-all`)
distributionType = Wrapper.DistributionType.BIN
}
version = mod_version
group = mod_group_id
repositories {
// Add here additional repositories if required by some of the dependencies below.
}
base {
archivesName = mod_id
}
// Mojang ships Java 21 to end users in 1.21.1, so mods should target Java 21.
java.toolchain.languageVersion = JavaLanguageVersion.of(21)
//minecraft.accessTransformers.file rootProject.file('src/main/resources/META-INF/accesstransformer.cfg')
//minecraft.accessTransformers.entry public net.minecraft.client.Minecraft textureManager # textureManager
// Default run configurations.
// These can be tweaked, removed, or duplicated as needed.
runs {
// applies to all the run configs below
configureEach {
// Recommended logging data for a userdev environment
// The markers can be added/remove as needed separated by commas.
// "SCAN": For mods scan.
// "REGISTRIES": For firing of registry events.
// "REGISTRYDUMP": For getting the contents of all registries.
systemProperty 'forge.logging.markers', 'REGISTRIES'
// Recommended logging level for the console
// You can set various levels here.
// Please read: https://stackoverflow.com/questions/2031163/when-to-use-the-different-log-levels
systemProperty 'forge.logging.console.level', 'debug'
modSource project.sourceSets.main
}
client {
// Comma-separated list of namespaces to load gametests from. Empty = all namespaces.
systemProperty 'neoforge.enabledGameTestNamespaces', project.mod_id
}
server {
systemProperty 'neoforge.enabledGameTestNamespaces', project.mod_id
argument '--nogui'
}
// This run config launches GameTestServer and runs all registered gametests, then exits.
// By default, the server will crash when no gametests are provided.
// The gametest system is also enabled by default for other run configs under the /test command.
gameTestServer {
systemProperty 'neoforge.enabledGameTestNamespaces', project.mod_id
}
data {
// example of overriding the workingDirectory set in configureEach above, uncomment if you want to use it
// workingDirectory project.file('run-data')
// Specify the modid for data generation, where to output the resulting resource, and where to look for existing resources.
arguments.addAll '--mod', project.mod_id, '--all', '--output', file('src/generated/resources/').getAbsolutePath(), '--existing', file('src/main/resources/').getAbsolutePath()
}
}
// Include resources generated by data generators.
sourceSets.main.resources { srcDir 'src/generated/resources' }
// Sets up a dependency configuration called 'localRuntime'.
// This configuration should be used instead of 'runtimeOnly' to declare
// a dependency that will be present for runtime testing but that is
// "optional", meaning it will not be pulled by dependents of this mod.
configurations {
runtimeClasspath.extendsFrom localRuntime
}
dependencies {
// Specify the version of Minecraft to use.
// Depending on the plugin applied there are several options. We will assume you applied the userdev plugin as shown above.
// The group for userdev is net.neoforged, the module name is neoforge, and the version is the same as the neoforge version.
// You can however also use the vanilla plugin (net.neoforged.gradle.vanilla) to use a version of Minecraft without the neoforge loader.
// And its provides the option to then use net.minecraft as the group, and one of; client, server or joined as the module name, plus the game version as version.
// For all intends and purposes: You can treat this dependency as if it is a normal library you would use.
implementation "net.neoforged:neoforge:${neo_version}"
// Example optional mod dependency with JEI
// The JEI API is declared for compile time use, while the full JEI artifact is used at runtime
// compileOnly "mezz.jei:jei-${mc_version}-common-api:${jei_version}"
// compileOnly "mezz.jei:jei-${mc_version}-neoforge-api:${jei_version}"
// We add the full version to localRuntime, not runtimeOnly, so that we do not publish a dependency on it
// localRuntime "mezz.jei:jei-${mc_version}-neoforge:${jei_version}"
// Example mod dependency using a mod jar from ./libs with a flat dir repository
// This maps to ./libs/coolmod-${mc_version}-${coolmod_version}.jar
// The group id is ignored when searching -- in this case, it is "blank"
// implementation "blank:coolmod-${mc_version}:${coolmod_version}"
// Example mod dependency using a file as dependency
// implementation files("libs/coolmod-${mc_version}-${coolmod_version}.jar")
// Example project dependency using a sister or child project:
// implementation project(":myproject")
// For more info:
// http://www.gradle.org/docs/current/userguide/artifact_dependencies_tutorial.html
// http://www.gradle.org/docs/current/userguide/dependency_management.html
}
// This block of code expands all declared replace properties in the specified resource targets.
// A missing property will result in an error. Properties are expanded using ${} Groovy notation.
// When "copyIdeResources" is enabled, this will also run before the game launches in IDE environments.
// See https://docs.gradle.org/current/dsl/org.gradle.language.jvm.tasks.ProcessResources.html
tasks.withType(ProcessResources).configureEach {
var replaceProperties = [
minecraft_version : minecraft_version,
minecraft_version_range: minecraft_version_range,
neo_version : neo_version,
loader_version_range : loader_version_range,
mod_id : mod_id,
mod_name : mod_name,
mod_license : mod_license,
mod_version : mod_version,
]
inputs.properties replaceProperties
filesMatching(['META-INF/neoforge.mods.toml']) {
expand replaceProperties
}
}
// Example configuration to allow publishing using the maven-publish plugin
publishing {
publications {
register('mavenJava', MavenPublication) {
from components.java
}
}
repositories {
maven {
url "file://${project.projectDir}/repo"
}
}
}
tasks.withType(JavaCompile).configureEach {
options.encoding = 'UTF-8' // Use the UTF-8 charset for Java compilation
}
// IDEA no longer automatically downloads sources/javadoc jars for dependencies, so we need to explicitly enable the behavior.
idea {
module {
downloadSources = true
downloadJavadoc = true
}
}
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# Sets default memory used for gradle commands. Can be overridden by user or command line properties.
org.gradle.jvmargs=-Xmx1G
org.gradle.daemon=true
org.gradle.parallel=true
org.gradle.caching=true
org.gradle.configuration-cache=true
#read more on this at https://github.com/neoforged/NeoGradle/blob/NG_7.0/README.md#apply-parchment-mappings
# you can also find the latest versions at: https://parchmentmc.org/docs/getting-started
neogradle.subsystems.parchment.minecraftVersion=1.21.1
neogradle.subsystems.parchment.mappingsVersion=2024.11.17
# Environment Properties
# You can find the latest versions here: https://projects.neoforged.net/neoforged/neoforge
# The Minecraft version must agree with the Neo version to get a valid artifact
minecraft_version=1.21.1
# The Minecraft version range can use any release version of Minecraft as bounds.
# Snapshots, pre-releases, and release candidates are not guaranteed to sort properly
# as they do not follow standard versioning conventions.
minecraft_version_range=[1.21.1]
# The Neo version must agree with the Minecraft version to get a valid artifact
neo_version=21.1.219
# The loader version range can only use the major version of FML as bounds
loader_version_range=[1,)
## Mod Properties
# The unique mod identifier for the mod. Must be lowercase in English locale. Must fit the regex [a-z][a-z0-9_]{1,63}
# Must match the String constant located in the main mod class annotated with @Mod.
mod_id=skinsg
# The human-readable display name for the mod.
mod_name=NightSync Skins (HD + animated capes)
# The license of the mod. Review your options at https://choosealicense.com/. All Rights Reserved is the default.
mod_license=All Rights Reserved
# The mod version. See https://semver.org/
mod_version=0.1.0
# The group ID for the mod. It is only important when publishing as an artifact to a Maven repository.
# This should match the base package used for the mod sources.
# See https://maven.apache.org/guides/mini/guide-naming-conventions.html
mod_group_id=xyz.nightsync.skinsg
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distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-9.2.1-bin.zip
networkTimeout=10000
validateDistributionUrl=true
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists
Vendored
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#!/bin/sh
#
# Copyright © 2015-2021 the original authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# SPDX-License-Identifier: Apache-2.0
#
##############################################################################
#
# Gradle start up script for POSIX generated by Gradle.
#
# Important for running:
#
# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is
# noncompliant, but you have some other compliant shell such as ksh or
# bash, then to run this script, type that shell name before the whole
# command line, like:
#
# ksh Gradle
#
# Busybox and similar reduced shells will NOT work, because this script
# requires all of these POSIX shell features:
# * functions;
# * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
# «${var#prefix}», «${var%suffix}», and «$( cmd )»;
# * compound commands having a testable exit status, especially «case»;
# * various built-in commands including «command», «set», and «ulimit».
#
# Important for patching:
#
# (2) This script targets any POSIX shell, so it avoids extensions provided
# by Bash, Ksh, etc; in particular arrays are avoided.
#
# The "traditional" practice of packing multiple parameters into a
# space-separated string is a well documented source of bugs and security
# problems, so this is (mostly) avoided, by progressively accumulating
# options in "$@", and eventually passing that to Java.
#
# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,
# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;
# see the in-line comments for details.
#
# There are tweaks for specific operating systems such as AIX, CygWin,
# Darwin, MinGW, and NonStop.
#
# (3) This script is generated from the Groovy template
# https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
# within the Gradle project.
#
# You can find Gradle at https://github.com/gradle/gradle/.
#
##############################################################################
# Attempt to set APP_HOME
# Resolve links: $0 may be a link
app_path=$0
# Need this for daisy-chained symlinks.
while
APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path
[ -h "$app_path" ]
do
ls=$( ls -ld "$app_path" )
link=${ls#*' -> '}
case $link in #(
/*) app_path=$link ;; #(
*) app_path=$APP_HOME$link ;;
esac
done
# This is normally unused
# shellcheck disable=SC2034
APP_BASE_NAME=${0##*/}
# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s\n' "$PWD" ) || exit
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD=maximum
warn () {
echo "$*"
} >&2
die () {
echo
echo "$*"
echo
exit 1
} >&2
# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
nonstop=false
case "$( uname )" in #(
CYGWIN* ) cygwin=true ;; #(
Darwin* ) darwin=true ;; #(
MSYS* | MINGW* ) msys=true ;; #(
NONSTOP* ) nonstop=true ;;
esac
CLASSPATH="\\\"\\\""
# Determine the Java command to use to start the JVM.
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD=$JAVA_HOME/jre/sh/java
else
JAVACMD=$JAVA_HOME/bin/java
fi
if [ ! -x "$JAVACMD" ] ; then
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
else
JAVACMD=java
if ! command -v java >/dev/null 2>&1
then
die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
fi
# Increase the maximum file descriptors if we can.
if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
case $MAX_FD in #(
max*)
# In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
# shellcheck disable=SC2039,SC3045
MAX_FD=$( ulimit -H -n ) ||
warn "Could not query maximum file descriptor limit"
esac
case $MAX_FD in #(
'' | soft) :;; #(
*)
# In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
# shellcheck disable=SC2039,SC3045
ulimit -n "$MAX_FD" ||
warn "Could not set maximum file descriptor limit to $MAX_FD"
esac
fi
# Collect all arguments for the java command, stacking in reverse order:
# * args from the command line
# * the main class name
# * -classpath
# * -D...appname settings
# * --module-path (only if needed)
# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.
# For Cygwin or MSYS, switch paths to Windows format before running java
if "$cygwin" || "$msys" ; then
APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
JAVACMD=$( cygpath --unix "$JAVACMD" )
# Now convert the arguments - kludge to limit ourselves to /bin/sh
for arg do
if
case $arg in #(
-*) false ;; # don't mess with options #(
/?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath
[ -e "$t" ] ;; #(
*) false ;;
esac
then
arg=$( cygpath --path --ignore --mixed "$arg" )
fi
# Roll the args list around exactly as many times as the number of
# args, so each arg winds up back in the position where it started, but
# possibly modified.
#
# NB: a `for` loop captures its iteration list before it begins, so
# changing the positional parameters here affects neither the number of
# iterations, nor the values presented in `arg`.
shift # remove old arg
set -- "$@" "$arg" # push replacement arg
done
fi
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
# Collect all arguments for the java command:
# * DEFAULT_JVM_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
# and any embedded shellness will be escaped.
# * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
# treated as '${Hostname}' itself on the command line.
set -- \
"-Dorg.gradle.appname=$APP_BASE_NAME" \
-classpath "$CLASSPATH" \
-jar "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" \
"$@"
# Stop when "xargs" is not available.
if ! command -v xargs >/dev/null 2>&1
then
die "xargs is not available"
fi
# Use "xargs" to parse quoted args.
#
# With -n1 it outputs one arg per line, with the quotes and backslashes removed.
#
# In Bash we could simply go:
#
# readarray ARGS < <( xargs -n1 <<<"$var" ) &&
# set -- "${ARGS[@]}" "$@"
#
# but POSIX shell has neither arrays nor command substitution, so instead we
# post-process each arg (as a line of input to sed) to backslash-escape any
# character that might be a shell metacharacter, then use eval to reverse
# that process (while maintaining the separation between arguments), and wrap
# the whole thing up as a single "set" statement.
#
# This will of course break if any of these variables contains a newline or
# an unmatched quote.
#
eval "set -- $(
printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |
xargs -n1 |
sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |
tr '\n' ' '
)" '"$@"'
exec "$JAVACMD" "$@"
Vendored
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@rem
@rem Copyright 2015 the original author or authors.
@rem
@rem Licensed under the Apache License, Version 2.0 (the "License");
@rem you may not use this file except in compliance with the License.
@rem You may obtain a copy of the License at
@rem
@rem https://www.apache.org/licenses/LICENSE-2.0
@rem
@rem Unless required by applicable law or agreed to in writing, software
@rem distributed under the License is distributed on an "AS IS" BASIS,
@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@rem See the License for the specific language governing permissions and
@rem limitations under the License.
@rem
@rem SPDX-License-Identifier: Apache-2.0
@rem
@if "%DEBUG%"=="" @echo off
@rem ##########################################################################
@rem
@rem Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
set DIRNAME=%~dp0
if "%DIRNAME%"=="" set DIRNAME=.
@rem This is normally unused
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
@rem Resolve any "." and ".." in APP_HOME to make it shorter.
for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if %ERRORLEVEL% equ 0 goto execute
echo. 1>&2
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2
echo. 1>&2
echo Please set the JAVA_HOME variable in your environment to match the 1>&2
echo location of your Java installation. 1>&2
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto execute
echo. 1>&2
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2
echo. 1>&2
echo Please set the JAVA_HOME variable in your environment to match the 1>&2
echo location of your Java installation. 1>&2
goto fail
:execute
@rem Setup the command line
set CLASSPATH=
@rem Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" -jar "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" %*
:end
@rem End local scope for the variables with windows NT shell
if %ERRORLEVEL% equ 0 goto mainEnd
:fail
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
set EXIT_CODE=%ERRORLEVEL%
if %EXIT_CODE% equ 0 set EXIT_CODE=1
if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
exit /b %EXIT_CODE%
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega
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pluginManagement {
repositories {
gradlePluginPortal()
maven { url = 'https://maven.neoforged.net/releases' }
}
}
plugins {
id 'org.gradle.toolchains.foojay-resolver-convention' version '1.0.0'
}
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package xyz.nightsync.skinsg;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.HashMap;
import java.util.LinkedHashSet;
import java.util.Map;
import java.util.Set;
import java.util.UUID;
public final class SkinsgConfig {
public enum Mode { ALL, NONE, SELF, SET }
private static final Gson GSON = new GsonBuilder().setPrettyPrinting().create();
public static final int DEFAULT_SPEED = 100;
public String baseUrl = "";
public Mode mode = Mode.ALL;
public Set<String> enabled = new LinkedHashSet<>();
public Set<String> blocked = new LinkedHashSet<>();
public int globalSpeed = DEFAULT_SPEED;
public Map<String, Integer> speed = new HashMap<>();
private transient Path file;
public static SkinsgConfig load(Path configDir) {
Path f = configDir.resolve("skinsg.json");
boolean fresh = !Files.exists(f);
SkinsgConfig cfg;
try {
cfg = fresh ? new SkinsgConfig()
: GSON.fromJson(Files.readString(f, StandardCharsets.UTF_8), SkinsgConfig.class);
if (cfg == null) cfg = new SkinsgConfig();
} catch (Exception e) {
cfg = new SkinsgConfig();
}
cfg.normalize();
cfg.file = f;
if (fresh) cfg.save();
return cfg;
}
private void normalize() {
if (baseUrl == null) baseUrl = "";
baseUrl = baseUrl.trim();
while (baseUrl.endsWith("/")) baseUrl = baseUrl.substring(0, baseUrl.length() - 1);
if (mode == null) mode = Mode.ALL;
if (enabled == null) enabled = new LinkedHashSet<>();
if (blocked == null) blocked = new LinkedHashSet<>();
if (speed == null) speed = new HashMap<>();
if (globalSpeed <= 0) globalSpeed = DEFAULT_SPEED;
}
public boolean hasBaseUrl() {
return baseUrl != null && !baseUrl.isEmpty();
}
public synchronized void save() {
if (file == null) return;
try {
Files.createDirectories(file.getParent());
Files.writeString(file, GSON.toJson(this), StandardCharsets.UTF_8);
} catch (Exception ignored) {
}
}
public boolean shouldAnimate(UUID player, UUID self) {
if (blocked.contains(player.toString())) return false;
return switch (mode) {
case ALL -> true;
case NONE -> false;
case SELF -> self != null && self.equals(player);
case SET -> enabled.contains(player.toString());
};
}
public int speedFor(UUID player) {
Integer s = speed.get(player.toString());
return s != null && s > 0 ? s : globalSpeed;
}
public synchronized void setNone() { mode = Mode.NONE; enabled.clear(); blocked.clear(); save(); }
public synchronized void setAll() { mode = Mode.ALL; enabled.clear(); blocked.clear(); save(); }
public synchronized void setSelf() { mode = Mode.SELF; enabled.clear(); blocked.clear(); save(); }
public synchronized void enableFor(Set<UUID> players) {
for (UUID u : players) blocked.remove(u.toString());
if (mode == Mode.NONE || mode == Mode.SELF) mode = Mode.SET;
if (mode == Mode.SET) for (UUID u : players) enabled.add(u.toString());
save();
}
public synchronized void disableFor(Set<UUID> players) {
for (UUID u : players) { blocked.add(u.toString()); enabled.remove(u.toString()); }
if (mode == Mode.SET && enabled.isEmpty()) mode = Mode.NONE;
save();
}
public synchronized void setSpeed(UUID player, int percent) {
if (percent <= 0) speed.remove(player.toString());
else speed.put(player.toString(), percent);
save();
}
public synchronized void setGlobalSpeed(int percent) {
globalSpeed = percent > 0 ? percent : DEFAULT_SPEED;
save();
}
}
@@ -0,0 +1,41 @@
package xyz.nightsync.skinsg;
import net.minecraft.client.Minecraft;
import net.neoforged.api.distmarker.Dist;
import net.neoforged.bus.api.IEventBus;
import net.neoforged.fml.common.Mod;
import net.neoforged.fml.loading.FMLPaths;
import net.neoforged.neoforge.client.event.ClientTickEvent;
import net.neoforged.neoforge.client.event.RegisterClientCommandsEvent;
import net.neoforged.neoforge.common.NeoForge;
import xyz.nightsync.skinsg.client.CapeManager;
import xyz.nightsync.skinsg.commands.SkinsgCommands;
@Mod(value = SkinsgMod.MODID, dist = Dist.CLIENT)
public final class SkinsgMod {
public static final String MODID = "skinsg";
private static SkinsgConfig config;
public SkinsgMod(IEventBus modBus) {
config = SkinsgConfig.load(FMLPaths.CONFIGDIR.get());
CapeManager.init(config, () -> {
var p = Minecraft.getInstance().player;
return p != null ? p.getUUID() : null;
});
NeoForge.EVENT_BUS.addListener(this::onRegisterCommands);
NeoForge.EVENT_BUS.addListener(this::onClientTick);
}
public static SkinsgConfig config() {
return config;
}
private void onRegisterCommands(RegisterClientCommandsEvent e) {
SkinsgCommands.register(e.getDispatcher(), config);
}
private void onClientTick(ClientTickEvent.Post e) {
CapeManager.clientTick();
}
}
@@ -0,0 +1,216 @@
package xyz.nightsync.skinsg.client;
import com.mojang.blaze3d.platform.NativeImage;
import com.mojang.blaze3d.systems.RenderSystem;
import net.minecraft.client.Minecraft;
import net.minecraft.client.renderer.texture.AbstractTexture;
import net.minecraft.client.renderer.texture.DynamicTexture;
import net.minecraft.resources.ResourceLocation;
import xyz.nightsync.skinsg.SkinsgConfig;
import xyz.nightsync.skinsg.gif.GifDecoder;
import xyz.nightsync.skinsg.gif.GifImage;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URI;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.UUID;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.function.Supplier;
/**
* Fetches a player's GIF cape once, decodes it whole, then advances frames each tick by copying a
* pre-composited buffer into a dynamic texture. Players that policy excludes are dropped so the
* vanilla (static) cape shows and no memory is held.
*
* @author Nghtly
*/
public final class CapeManager {
private static final String MODID = "skinsg";
private static final int MAX_CACHE = 96;
private static final int MAX_BYTES = 12 * 1024 * 1024;
private static SkinsgConfig config;
private static Supplier<UUID> selfProvider = () -> null;
private static final GifDecoder.Limits LIMITS = new GifDecoder.Limits();
private static final ExecutorService IO = Executors.newFixedThreadPool(2, r -> {
Thread t = new Thread(r, "skinsg-cape-io");
t.setDaemon(true);
return t;
});
private static final Map<UUID, Entry> CACHE = Collections.synchronizedMap(
new LinkedHashMap<>(64, 0.75f, true) {
@Override
protected boolean removeEldestEntry(Map.Entry<UUID, Entry> e) {
if (size() > MAX_CACHE) {
e.getValue().release();
return true;
}
return false;
}
});
private CapeManager() {}
public static void init(SkinsgConfig cfg, Supplier<UUID> self) {
config = cfg;
selfProvider = self;
}
public static ResourceLocation getCape(UUID uuid) {
if (config == null || uuid == null || !config.hasBaseUrl()) return null;
if (!config.shouldAnimate(uuid, selfProvider.get())) {
releaseIfPresent(uuid);
return null;
}
return CACHE.computeIfAbsent(uuid, CapeManager::startLoad).texture;
}
public static void clientTick() {
if (config == null) return;
long now = System.currentTimeMillis();
UUID self = selfProvider.get();
synchronized (CACHE) {
for (Map.Entry<UUID, Entry> en : CACHE.entrySet()) {
if (config.shouldAnimate(en.getKey(), self)) {
en.getValue().tick(now, config.speedFor(en.getKey()));
}
}
}
}
public static void releaseAll() {
synchronized (CACHE) {
for (Entry e : CACHE.values()) e.release();
CACHE.clear();
}
}
public static void releaseIfPresent(UUID uuid) {
Entry e = CACHE.remove(uuid);
if (e != null) e.release();
}
private static Entry startLoad(UUID uuid) {
Entry entry = new Entry(uuid);
IO.submit(() -> {
try {
byte[] bytes = httpGet(config.baseUrl + "/api/minecraft/cape/" + uuid + "?gif");
if (bytes == null || bytes.length < 6 || !isGif(bytes)) {
entry.noAnimation = true;
return;
}
buildTexture(entry, GifDecoder.decode(bytes, LIMITS));
} catch (Throwable t) {
entry.noAnimation = true;
}
});
return entry;
}
private static void buildTexture(Entry entry, GifImage gif) {
RenderSystem.recordRenderCall(() -> {
try {
DynamicTexture tex = new DynamicTexture(gif.width, gif.height, true);
((AbstractTexture) tex).setFilter(false, false);
ResourceLocation id = ResourceLocation.fromNamespaceAndPath(MODID, "cape/" + entry.uuid + "/anim");
Minecraft.getInstance().getTextureManager().register(id, tex);
entry.attach(gif, tex, id);
} catch (Throwable t) {
entry.noAnimation = true;
}
});
}
private static boolean isGif(byte[] b) {
return b[0] == 'G' && b[1] == 'I' && b[2] == 'F';
}
private static byte[] httpGet(String url) throws IOException {
HttpURLConnection c = (HttpURLConnection) URI.create(url).toURL().openConnection();
c.setConnectTimeout(7000);
c.setReadTimeout(10000);
c.setRequestProperty("User-Agent", MODID + "/1.0");
if (c.getResponseCode() != 200) return null;
int len = c.getContentLength();
if (len > MAX_BYTES) return null;
try (InputStream in = c.getInputStream()) {
ByteArrayOutputStream out = new ByteArrayOutputStream(Math.max(1024, Math.min(Math.max(len, 0), MAX_BYTES)));
byte[] buf = new byte[8192];
int r, total = 0;
while ((r = in.read(buf)) != -1) {
total += r;
if (total > MAX_BYTES) return null;
out.write(buf, 0, r);
}
return out.toByteArray();
}
}
private static final class Entry {
final UUID uuid;
volatile boolean noAnimation;
private GifImage gif;
private DynamicTexture tex;
private volatile ResourceLocation texture;
private int frame = -1;
private long nextAt;
Entry(UUID uuid) { this.uuid = uuid; }
void attach(GifImage gif, DynamicTexture tex, ResourceLocation id) {
this.gif = gif;
this.tex = tex;
this.texture = id;
this.frame = -1;
this.nextAt = 0L;
}
void tick(long now, int speedPercent) {
if (gif == null || tex == null) return;
if (frame != -1 && now < nextAt) return;
frame = (frame + 1) % gif.frameCount();
int[] src = gif.framesAbgr[frame];
NativeImage px = tex.getPixels();
if (px != null && px.getWidth() == gif.width && px.getHeight() == gif.height) {
int i = 0;
for (int y = 0; y < gif.height; y++) {
for (int x = 0; x < gif.width; x++) {
px.setPixelRGBA(x, y, src[i++]);
}
}
RenderSystem.recordRenderCall(tex::upload);
}
int base = gif.delaysMs[frame];
long dur = speedPercent > 0 ? (long) base * 100L / speedPercent : base;
nextAt = now + Math.max(20L, dur);
}
void release() {
ResourceLocation id = texture;
if (id != null) {
RenderSystem.recordRenderCall(() -> {
try {
Minecraft.getInstance().getTextureManager().release(id);
} catch (Throwable ignored) {
}
});
}
texture = null;
tex = null;
gif = null;
}
}
}
@@ -0,0 +1,108 @@
package xyz.nightsync.skinsg.commands;
import com.mojang.brigadier.CommandDispatcher;
import com.mojang.brigadier.arguments.IntegerArgumentType;
import com.mojang.brigadier.arguments.StringArgumentType;
import com.mojang.brigadier.context.CommandContext;
import com.mojang.brigadier.suggestion.SuggestionProvider;
import net.minecraft.client.Minecraft;
import net.minecraft.client.multiplayer.PlayerInfo;
import net.minecraft.commands.CommandSourceStack;
import net.minecraft.network.chat.Component;
import xyz.nightsync.skinsg.SkinsgConfig;
import xyz.nightsync.skinsg.client.CapeManager;
import java.util.HashSet;
import java.util.Set;
import java.util.UUID;
import static net.minecraft.commands.Commands.argument;
import static net.minecraft.commands.Commands.literal;
public final class SkinsgCommands {
private static SkinsgConfig cfg;
public static final String ALL = "@a";
private SkinsgCommands() {}
private static final SuggestionProvider<CommandSourceStack> TARGETS = (ctx, b) -> {
b.suggest(ALL);
var conn = Minecraft.getInstance().getConnection();
if (conn != null) {
for (PlayerInfo pi : conn.getOnlinePlayers()) {
b.suggest(pi.getProfile().getName());
}
}
return b.buildFuture();
};
public static void register(CommandDispatcher<CommandSourceStack> d, SkinsgConfig config) {
cfg = config;
d.register(literal("skinsg")
.then(literal("playgif")
.executes(c -> { cfg.setNone(); CapeManager.releaseAll(); return msg(c, "GIF capes: off"); })
.then(argument("target", StringArgumentType.word()).suggests(TARGETS)
.executes(SkinsgCommands::playgif)))
.then(literal("stopgif")
.executes(c -> { cfg.setNone(); CapeManager.releaseAll(); return msg(c, "GIF capes: off"); })
.then(argument("target", StringArgumentType.word()).suggests(TARGETS)
.executes(SkinsgCommands::stopgif)))
.then(literal("self")
.executes(c -> { cfg.setSelf(); CapeManager.releaseAll(); return msg(c, "GIF capes: self only"); }))
.then(literal("speed")
.then(argument("target", StringArgumentType.word()).suggests(TARGETS)
.then(argument("percent", IntegerArgumentType.integer(1, 2000))
.executes(SkinsgCommands::speed)))));
}
private static int playgif(CommandContext<CommandSourceStack> c) {
String target = StringArgumentType.getString(c, "target");
if (ALL.equals(target)) { cfg.setAll(); return msg(c, "GIF capes: everyone"); }
Set<UUID> ids = resolve(target);
if (ids.isEmpty()) return err(c, "player not found: " + target);
cfg.enableFor(ids);
return msg(c, "GIF capes: on for " + target);
}
private static int stopgif(CommandContext<CommandSourceStack> c) {
String target = StringArgumentType.getString(c, "target");
if (ALL.equals(target)) { cfg.setNone(); CapeManager.releaseAll(); return msg(c, "GIF capes: off"); }
Set<UUID> ids = resolve(target);
if (ids.isEmpty()) return err(c, "player not found: " + target);
cfg.disableFor(ids);
for (UUID id : ids) CapeManager.releaseIfPresent(id);
return msg(c, "GIF capes: stopped for " + target);
}
private static int speed(CommandContext<CommandSourceStack> c) {
String target = StringArgumentType.getString(c, "target");
int percent = IntegerArgumentType.getInteger(c, "percent");
if (ALL.equals(target)) { cfg.setGlobalSpeed(percent); return msg(c, "GIF speed: " + percent + "% (all)"); }
Set<UUID> ids = resolve(target);
if (ids.isEmpty()) return err(c, "player not found: " + target);
for (UUID id : ids) cfg.setSpeed(id, percent);
return msg(c, "GIF speed: " + percent + "% for " + target);
}
private static Set<UUID> resolve(String name) {
Set<UUID> out = new HashSet<>();
var conn = Minecraft.getInstance().getConnection();
if (conn != null) {
for (PlayerInfo pi : conn.getOnlinePlayers()) {
if (pi.getProfile().getName().equalsIgnoreCase(name)) out.add(pi.getProfile().getId());
}
}
return out;
}
private static int msg(CommandContext<CommandSourceStack> c, String text) {
c.getSource().sendSuccess(() -> Component.literal("[skinsg] " + text), false);
return 1;
}
private static int err(CommandContext<CommandSourceStack> c, String text) {
c.getSource().sendFailure(Component.literal("[skinsg] " + text));
return 0;
}
}
@@ -0,0 +1,250 @@
package xyz.nightsync.skinsg.gif;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
/**
* Decodes a GIF87a/89a in one pass into pre-composited ABGR frames (disposal already applied),
* so playback is a plain buffer copy instead of per-frame LZW + compositing. Streaming-safe with
* hard size limits.
*
* @author Nghtly
*/
public final class GifDecoder {
public static final class GifException extends Exception {
public GifException(String message) { super(message); }
}
public static final class Limits {
public int maxDimension = 2048;
public int maxFrames = 240;
public long maxTotalPixels = 128L * 1024 * 1024;
public int minDelayMs = 20;
public int maxDelayMs = 10_000;
}
private final byte[] d;
private int p;
private final Limits lim;
private int width, height;
private int[] gct;
private int bgIndex;
private int disposal = 0;
private int transparentIndex = -1;
private int delayCs = 0;
private GifDecoder(byte[] data, Limits limits) {
this.d = data;
this.lim = limits;
}
public static GifImage decode(byte[] data, Limits limits) throws GifException {
return new GifDecoder(data, limits).run();
}
private int u8() throws GifException {
if (p >= d.length) throw new GifException("unexpected EOF");
return d[p++] & 0xFF;
}
private int u16() throws GifException {
int lo = u8(), hi = u8();
return lo | (hi << 8);
}
private void skip(int n) throws GifException {
if (p + n > d.length) throw new GifException("unexpected EOF");
p += n;
}
private int[] readColorTable(int size) throws GifException {
int[] table = new int[size];
for (int i = 0; i < size; i++) {
int r = u8(), g = u8(), b = u8();
table[i] = (r << 16) | (g << 8) | b;
}
return table;
}
private byte[] readSubBlocks() throws GifException {
int start = p;
int total = 0;
while (true) {
int size = u8();
if (size == 0) break;
skip(size);
total += size;
}
byte[] out = new byte[total];
int op = 0, rp = start;
while (true) {
int size = d[rp++] & 0xFF;
if (size == 0) break;
System.arraycopy(d, rp, out, op, size);
op += size;
rp += size;
}
return out;
}
private void skipSubBlocks() throws GifException {
while (true) {
int size = u8();
if (size == 0) break;
skip(size);
}
}
private GifImage run() throws GifException {
if (d.length < 13) throw new GifException("too small");
if (!(d[0] == 'G' && d[1] == 'I' && d[2] == 'F')) throw new GifException("not a GIF");
p = 6;
width = u16();
height = u16();
if (width < 1 || height < 1 || width > lim.maxDimension || height > lim.maxDimension) {
throw new GifException("bad dimensions " + width + "x" + height);
}
int packed = u8();
bgIndex = u8();
u8();
if ((packed & 0x80) != 0) {
gct = readColorTable(2 << (packed & 0x07));
}
final long area = (long) width * height;
final int frameCap = (int) Math.max(1, Math.min(lim.maxFrames, lim.maxTotalPixels / Math.max(1, area)));
List<int[]> frames = new ArrayList<>();
List<Integer> delays = new ArrayList<>();
int[] canvas = new int[(int) area];
int[] saved = null;
int prevDisposal = 0;
int prevX = 0, prevY = 0, prevW = 0, prevH = 0;
boolean done = false;
while (!done) {
int block = u8();
switch (block) {
case 0x3B:
done = true;
break;
case 0x21:
handleExtension();
break;
case 0x2C: {
int ix = u16(), iy = u16(), iw = u16(), ih = u16();
int ipacked = u8();
int[] lct = null;
if ((ipacked & 0x80) != 0) lct = readColorTable(2 << (ipacked & 0x07));
boolean interlaced = (ipacked & 0x40) != 0;
int minCode = u8();
byte[] lzw = readSubBlocks();
if (ix < 0 || iy < 0 || iw < 0 || ih < 0 || ix + iw > width || iy + ih > height) {
throw new GifException("frame rect out of bounds");
}
if (prevDisposal == 2) {
clearRect(canvas, prevX, prevY, prevW, prevH);
} else if (prevDisposal == 3 && saved != null) {
System.arraycopy(saved, 0, canvas, 0, canvas.length);
}
if (disposal == 3) {
if (saved == null) saved = new int[canvas.length];
System.arraycopy(canvas, 0, saved, 0, canvas.length);
}
if (frames.size() < frameCap && iw > 0 && ih > 0) {
int[] palette = lct != null ? lct : gct;
if (palette == null) throw new GifException("no color table");
byte[] indices = LzwDecoder.decode(lzw, minCode, iw * ih);
drawFrame(canvas, ix, iy, iw, ih, interlaced, indices, palette, transparentIndex);
frames.add(canvas.clone());
delays.add(clampDelay(delayCs));
}
prevDisposal = disposal;
prevX = ix; prevY = iy; prevW = iw; prevH = ih;
transparentIndex = -1;
disposal = 0;
delayCs = 0;
if (frames.size() >= frameCap) done = true;
break;
}
default:
throw new GifException("bad block 0x" + Integer.toHexString(block));
}
}
if (frames.isEmpty()) throw new GifException("no frames");
int[][] arr = frames.toArray(new int[0][]);
int[] del = new int[delays.size()];
for (int i = 0; i < del.length; i++) del[i] = delays.get(i);
return new GifImage(width, height, arr, del);
}
private void handleExtension() throws GifException {
int label = u8();
if (label == 0xF9) {
int size = u8();
int flags = u8();
disposal = (flags >> 2) & 0x07;
delayCs = u16();
int tIndex = u8();
transparentIndex = (flags & 0x01) != 0 ? tIndex : -1;
if (size > 4) skip(size - 4);
int term = u8();
if (term != 0) skipSubBlocks();
} else {
skipSubBlocks();
}
}
private int clampDelay(int cs) {
int ms = cs * 10;
if (ms <= 0) ms = 100;
return Math.max(lim.minDelayMs, Math.min(lim.maxDelayMs, ms));
}
private void clearRect(int[] canvas, int x, int y, int w, int h) {
for (int row = 0; row < h; row++) {
int base = (y + row) * width + x;
Arrays.fill(canvas, base, base + w, 0);
}
}
private void drawFrame(int[] canvas, int fx, int fy, int fw, int fh, boolean interlaced,
byte[] indices, int[] palette, int tIndex) {
int pal = palette.length;
for (int row = 0; row < fh; row++) {
int dstY = interlaced ? interlacedRow(row, fh) : row;
int dst = (fy + dstY) * width + fx;
int src = row * fw;
for (int col = 0; col < fw; col++) {
int idx = indices[src + col] & 0xFF;
if (idx == tIndex || idx >= pal) continue;
int rgb = palette[idx];
int r = (rgb >> 16) & 0xFF, g = (rgb >> 8) & 0xFF, b = rgb & 0xFF;
canvas[dst + col] = 0xFF000000 | (b << 16) | (g << 8) | r;
}
}
}
private static int interlacedRow(int row, int h) {
int p1 = (h + 7) / 8;
int p2 = (h + 3) / 8;
int p3 = (h + 1) / 4;
if (row < p1) return row * 8;
row -= p1;
if (row < p2) return row * 8 + 4;
row -= p2;
if (row < p3) return row * 4 + 2;
row -= p3;
return row * 2 + 1;
}
}
@@ -0,0 +1,20 @@
package xyz.nightsync.skinsg.gif;
public final class GifImage {
public final int width;
public final int height;
public final int[][] framesAbgr;
public final int[] delaysMs;
GifImage(int width, int height, int[][] framesAbgr, int[] delaysMs) {
this.width = width;
this.height = height;
this.framesAbgr = framesAbgr;
this.delaysMs = delaysMs;
}
public int frameCount() {
return framesAbgr.length;
}
}
@@ -0,0 +1,96 @@
package xyz.nightsync.skinsg.gif;
/**
* GIF variable-width LZW decompressor; returns one palette index per pixel.
*
* @author Nghtly
*/
final class LzwDecoder {
private LzwDecoder() {}
private static final int MAX_CODES = 4096;
static byte[] decode(byte[] data, int minCodeSize, int pixelCount) throws GifDecoder.GifException {
if (minCodeSize < 2 || minCodeSize > 8) throw new GifDecoder.GifException("bad LZW code size");
final int clearCode = 1 << minCodeSize;
final int endCode = clearCode + 1;
final int[] prefix = new int[MAX_CODES];
final int[] suffix = new int[MAX_CODES];
final byte[] stack = new byte[MAX_CODES + 1];
final byte[] out = new byte[pixelCount];
int outPos = 0;
int codeSize = minCodeSize + 1;
int codeMask = (1 << codeSize) - 1;
int available = clearCode + 2;
for (int i = 0; i < clearCode; i++) {
prefix[i] = 0;
suffix[i] = i;
}
int bitBuffer = 0, bitCount = 0, dataPos = 0;
int oldCode = -1, firstByte = 0;
while (outPos < pixelCount) {
while (bitCount < codeSize) {
if (dataPos >= data.length) return out;
bitBuffer |= (data[dataPos++] & 0xFF) << bitCount;
bitCount += 8;
}
int code = bitBuffer & codeMask;
bitBuffer >>>= codeSize;
bitCount -= codeSize;
if (code == clearCode) {
codeSize = minCodeSize + 1;
codeMask = (1 << codeSize) - 1;
available = clearCode + 2;
oldCode = -1;
continue;
}
if (code == endCode) break;
int sp = 0;
int inCode;
if (oldCode == -1) {
out[outPos++] = (byte) suffix[code];
oldCode = code;
firstByte = code;
continue;
}
if (code < available) {
inCode = code;
} else {
stack[sp++] = (byte) firstByte;
inCode = oldCode;
}
while (inCode >= clearCode) {
stack[sp++] = (byte) suffix[inCode];
inCode = prefix[inCode];
}
firstByte = suffix[inCode];
stack[sp++] = (byte) firstByte;
if (available < MAX_CODES) {
prefix[available] = oldCode;
suffix[available] = firstByte;
available++;
if ((available & codeMask) == 0 && available < MAX_CODES) {
codeSize++;
codeMask += available;
}
}
oldCode = code;
while (sp > 0 && outPos < pixelCount) {
out[outPos++] = stack[--sp];
}
}
return out;
}
}
@@ -0,0 +1,26 @@
package xyz.nightsync.skinsg.mixin;
import com.mojang.authlib.GameProfile;
import net.minecraft.client.player.AbstractClientPlayer;
import net.minecraft.client.resources.PlayerSkin;
import net.minecraft.resources.ResourceLocation;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.injection.At;
import org.spongepowered.asm.mixin.injection.Inject;
import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
import xyz.nightsync.skinsg.client.CapeManager;
@Mixin(AbstractClientPlayer.class)
public abstract class CapeMagicMixin {
@Inject(method = "getSkin", at = @At("RETURN"), cancellable = true)
private void skinsg$overrideCape(CallbackInfoReturnable<PlayerSkin> cir) {
GameProfile profile = ((AbstractClientPlayer) (Object) this).getGameProfile();
ResourceLocation animated = CapeManager.getCape(profile.getId());
if (animated == null) return;
PlayerSkin s = cir.getReturnValue();
if (s == null) return;
cir.setReturnValue(new PlayerSkin(
s.texture(), s.textureUrl(), animated, s.elytraTexture(), s.model(), s.secure()));
}
}
@@ -0,0 +1,84 @@
package xyz.nightsync.skinsg.mixin;
import com.mojang.blaze3d.platform.NativeImage;
import net.minecraft.client.renderer.texture.HttpTexture;
import org.jetbrains.annotations.Nullable;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.Shadow;
import org.spongepowered.asm.mixin.injection.At;
import org.spongepowered.asm.mixin.injection.Inject;
import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
/**
* Rewrites the vanilla legacy-skin conversion so it scales from {@code s = w/8} instead of a fixed
* 64px grid, giving HD skins (up to 2048) the same 32->64 layer expansion and alpha fixes.
* Non-matching proportions are left to vanilla/other mods.
*
* @author Nghtly
*/
@Mixin(HttpTexture.class)
public abstract class SkinMagicMixin {
@Shadow
private static void setNoAlpha(NativeImage img, int x1, int y1, int x2, int y2) {}
@Shadow
private static void doNotchTransparencyHack(NativeImage img, int x1, int y1, int x2, int y2) {}
@Inject(method = "processLegacySkin", at = @At("HEAD"), cancellable = true)
private void skinsg$processLegacySkin(NativeImage image, CallbackInfoReturnable<@Nullable NativeImage> cir) {
final int h = image.getHeight();
final int w = image.getWidth();
final int s = w / 8;
final int x64 = s * 8;
final int x32 = s * 4;
final int x16 = s * 2;
final int x8 = s;
final int x4 = s / 2;
final int x12 = x8 + x4;
final int x48 = s * 6;
final int x44 = s * 5;
final int x52 = x48 + x4;
final int x48m4 = x48 - x4;
if (w != x64 || (h != x32 && h != x64)) {
return;
}
final boolean legacy = h == x32;
if (legacy) {
NativeImage newImg = new NativeImage(x64, x64, true);
newImg.copyFrom(image);
image.close();
image = newImg;
newImg.fillRect(0, x32, x64, x32, 0);
newImg.copyRect(x4, x16, x16, x32, x4, x4, true, false);
newImg.copyRect(x8, x16, x16, x32, x4, x4, true, false);
newImg.copyRect(0, x16 + x4 + x8, x16 + x8, x32, x4, x12, true, false);
newImg.copyRect(x4, x16 + x4 + x8, x16, x32, x4, x12, true, false);
newImg.copyRect(x8, x16 + x4 + x8, x8, x32, x4, x12, true, false);
newImg.copyRect(x12, x16 + x4 + x8, x16, x32, x4, x12, true, false);
newImg.copyRect(x48m4, x16, -x8, x32, x4, x4, true, false);
newImg.copyRect(x48, x16, -x8, x32, x4, x4, true, false);
newImg.copyRect(x44, x16 + x4 + x8, 0, x32, x4, x12, true, false);
newImg.copyRect(x48m4, x16 + x4 + x8, -x8, x32, x4, x12, true, false);
newImg.copyRect(x48, x16 + x4 + x8, -x16, x32, x4, x12, true, false);
newImg.copyRect(x52, x16 + x4 + x8, -x8, x32, x4, x12, true, false);
}
setNoAlpha(image, 0, 0, x32, x16);
if (legacy) {
doNotchTransparencyHack(image, x32, 0, x64, x32);
}
setNoAlpha(image, 0, x16, x64, x32);
setNoAlpha(image, x16, x52 - x4, x52 - x4, x64);
cir.setReturnValue(image);
cir.cancel();
}
}
@@ -0,0 +1,30 @@
modLoader="javafml"
loaderVersion="${loader_version_range}"
license="${mod_license}"
[[mods]]
modId="${mod_id}"
version="${mod_version}"
displayName="${mod_name}"
displayURL="https://git.mcbcorp.ru/Fiden/SkinsG"
authors="Nghtly"
description='''
HD skins (up to 2048x2048) and animated GIF capes, driven by a UUID-keyed asset API.
'''
[[mixins]]
config="${mod_id}.mixins.json"
[[dependencies.${mod_id}]]
modId="neoforge"
type="required"
versionRange="[21.1,)"
ordering="NONE"
side="CLIENT"
[[dependencies.${mod_id}]]
modId="minecraft"
type="required"
versionRange="${minecraft_version_range}"
ordering="NONE"
side="CLIENT"
+14
View File
@@ -0,0 +1,14 @@
{
"required": true,
"minVersion": "0.8",
"compatibilityLevel": "JAVA_21",
"package": "xyz.nightsync.skinsg.mixin",
"refmap": "skinsg.refmap.json",
"client": [
"SkinMagicMixin",
"CapeMagicMixin"
],
"injectors": {
"defaultRequire": 1
}
}