Update #44 - WebAssembly GC support, fix more WebRTC bugs

sources/setup/workspace_template/wasm_gc_teavm/.gitignore.default

@@ -0,0 +1,12 @@
+.gradle
+.settings
+.classpath
+.project
+build
+bin
+javascript/eagruntime.js
+javascript/classes.wasm
+javascript/classes.wasm.teadbg
+javascript/assets.epk
+javascript_dist/assets.epw
+javascript_dist/EaglercraftX_1.8_*

sources/setup/workspace_template/wasm_gc_teavm/CompileBootstrapJS.bat

@@ -0,0 +1,6 @@
+@echo off
+title CompileEPWBootstrapJS
+set srcFolder=../src/wasm-gc-teavm-bootstrap/js
+echo Compiling %srcFolder%
+java -jar buildtools/closure-compiler.jar --compilation_level ADVANCED_OPTIMIZATIONS --assume_function_wrapper --emit_use_strict --isolation_mode IIFE --js "%srcFolder%/externs.js" "%srcFolder%/main.js" --js_output_file javascript_dist/bootstrap.js
+pause

sources/setup/workspace_template/wasm_gc_teavm/CompileBootstrapJS.sh

@@ -0,0 +1,4 @@
+#!/bin/sh
+srcFolder=../src/wasm-gc-teavm-bootstrap/js
+echo Compiling $srcFolder
+java -jar buildtools/closure-compiler.jar --compilation_level ADVANCED_OPTIMIZATIONS --assume_function_wrapper --emit_use_strict --isolation_mode IIFE --js $srcFolder/externs.js $srcFolder/main.js --js_output_file javascript_dist/bootstrap.js

sources/setup/workspace_template/wasm_gc_teavm/CompileEPK.bat

@@ -0,0 +1,6 @@
+@echo off
+title epkcompiler
+echo compiling, please wait...
+java -jar "../desktopRuntime/CompileEPK.jar" "../desktopRuntime/resources" "javascript/assets.epk" none
+echo finished compiling epk
+pause

sources/setup/workspace_template/wasm_gc_teavm/CompileEPK.sh

@@ -0,0 +1,2 @@
+#!/bin/sh
+java -jar "../desktopRuntime/CompileEPK.jar" "../desktopRuntime/resources" "javascript/assets.epk" none

sources/setup/workspace_template/wasm_gc_teavm/CompileEagRuntimeJS.bat

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+@echo off
+title CompileEagRuntimeJS
+set srcFolder=../src/wasm-gc-teavm/js
+echo Compiling %srcFolder%
+java -jar buildtools/closure-compiler.jar --compilation_level ADVANCED_OPTIMIZATIONS --assume_function_wrapper --emit_use_strict --isolation_mode IIFE --js "%srcFolder%/externs.js" "%srcFolder%/eagruntime_util.js" "%srcFolder%/eagruntime_main.js" "%srcFolder%/platformApplication.js" "%srcFolder%/platformAssets.js" "%srcFolder%/platformAudio.js" "%srcFolder%/platformFilesystem.js" "%srcFolder%/platformInput.js" "%srcFolder%/platformNetworking.js" "%srcFolder%/platformOpenGL.js" "%srcFolder%/platformRuntime.js" "%srcFolder%/platformScreenRecord.js" "%srcFolder%/platformVoiceClient.js" "%srcFolder%/platformWebRTC.js" "%srcFolder%/platformWebView.js" "%srcFolder%/clientPlatformSingleplayer.js" "%srcFolder%/serverPlatformSingleplayer.js" "%srcFolder%/WASMGCBufferAllocator.js" "%srcFolder%/fix-webm-duration.js" "%srcFolder%/teavm_runtime.js" "%srcFolder%/eagruntime_entrypoint.js" --js_output_file javascript/eagruntime.js
+pause

sources/setup/workspace_template/wasm_gc_teavm/CompileEagRuntimeJS.sh

@@ -0,0 +1,4 @@
+#!/bin/sh
+srcFolder=../src/wasm-gc-teavm/js
+echo Compiling $srcFolder
+java -jar buildtools/closure-compiler.jar --compilation_level ADVANCED_OPTIMIZATIONS --assume_function_wrapper --emit_use_strict --isolation_mode IIFE --js $srcFolder/externs.js $srcFolder/eagruntime_util.js $srcFolder/eagruntime_main.js $srcFolder/platformApplication.js $srcFolder/platformAssets.js $srcFolder/platformAudio.js $srcFolder/platformFilesystem.js $srcFolder/platformInput.js $srcFolder/platformNetworking.js $srcFolder/platformOpenGL.js $srcFolder/platformRuntime.js $srcFolder/platformScreenRecord.js $srcFolder/platformVoiceClient.js $srcFolder/platformWebRTC.js $srcFolder/platformWebView.js $srcFolder/clientPlatformSingleplayer.js $srcFolder/serverPlatformSingleplayer.js $srcFolder/WASMGCBufferAllocator.js $srcFolder/fix-webm-duration.js $srcFolder/teavm_runtime.js $srcFolder/eagruntime_entrypoint.js --js_output_file javascript/eagruntime.js

sources/setup/workspace_template/wasm_gc_teavm/CompileLoaderWASM.bat

@@ -0,0 +1,9 @@
+@echo off
+title CompileLoaderWASM
+mkdir "bin/emscripten"
+call emcc -c -O3 ../src/wasm-gc-teavm-loader/c/main.c -o bin/emscripten/main.o
+call emcc -c -O3 ../src/wasm-gc-teavm-loader/c/xz/xz_crc32.c -o bin/emscripten/xz_crc32.o
+call emcc -c -O3 ../src/wasm-gc-teavm-loader/c/xz/xz_dec_lzma2.c -o bin/emscripten/xz_dec_lzma2.o
+call emcc -c -O3 ../src/wasm-gc-teavm-loader/c/xz/xz_dec_stream.c -o bin/emscripten/xz_dec_stream.o
+call emcc -O3 -sMALLOC=dlmalloc -sALLOW_MEMORY_GROWTH -sINITIAL_HEAP=16777216 -sMAXIMUM_MEMORY=67108864 --pre-js ../src/wasm-gc-teavm-loader/js/pre.js --js-library ../src/wasm-gc-teavm-loader/js/library.js bin/emscripten/main.o bin/emscripten/xz_crc32.o bin/emscripten/xz_dec_lzma2.o bin/emscripten/xz_dec_stream.o -o javascript/loader.js
+pause

sources/setup/workspace_template/wasm_gc_teavm/CompileLoaderWASM.sh

@@ -0,0 +1,7 @@
+#!/bin/sh
+mkdir -p bin/emscripten
+emcc -c -O3 ../src/wasm-gc-teavm-loader/c/main.c -o bin/emscripten/main.o
+emcc -c -O3 ../src/wasm-gc-teavm-loader/c/xz/xz_crc32.c -o bin/emscripten/xz_crc32.o
+emcc -c -O3 ../src/wasm-gc-teavm-loader/c/xz/xz_dec_lzma2.c -o bin/emscripten/xz_dec_lzma2.o
+emcc -c -O3 ../src/wasm-gc-teavm-loader/c/xz/xz_dec_stream.c -o bin/emscripten/xz_dec_stream.o
+emcc -O3 -sMALLOC=dlmalloc -sALLOW_MEMORY_GROWTH -sINITIAL_HEAP=16777216 -sMAXIMUM_MEMORY=67108864 --pre-js ../src/wasm-gc-teavm-loader/js/pre.js --js-library ../src/wasm-gc-teavm-loader/js/library.js bin/emscripten/main.o bin/emscripten/xz_crc32.o bin/emscripten/xz_dec_lzma2.o bin/emscripten/xz_dec_stream.o -o javascript/loader.js

sources/setup/workspace_template/wasm_gc_teavm/CompileWASM.bat

@@ -0,0 +1,4 @@
+@echo off
+title gradlew generateWasmGC
+call gradlew generateWasmGC
+pause

sources/setup/workspace_template/wasm_gc_teavm/CompileWASM.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+chmod +x gradlew
+./gradlew generateWasmGC

sources/setup/workspace_template/wasm_gc_teavm/MakeWASMClientBundle.bat

@@ -0,0 +1,5 @@
+@echo off
+title MakeWASMClientBundle
+cd javascript
+java -cp "../buildtools/org.tukanni.xz.jar;../buildtools/MakeWASMClientBundle.jar;../../desktopRuntime/CompileEPK.jar;../../desktopRuntime/MakeOfflineDownload.jar" net.lax1dude.eaglercraft.v1_8.buildtools.workspace.MakeWASMClientBundle epw_src.txt epw_meta.txt "../javascript_dist"
+pause

sources/setup/workspace_template/wasm_gc_teavm/MakeWASMClientBundle.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+cd javascript
+java -cp "../buildtools/org.tukanni.xz.jar:../buildtools/MakeWASMClientBundle.jar:../../desktopRuntime/CompileEPK.jar:../../desktopRuntime/MakeOfflineDownload.jar" net.lax1dude.eaglercraft.v1_8.buildtools.workspace.MakeWASMClientBundle epw_src.txt epw_meta.txt "../javascript_dist"

sources/setup/workspace_template/wasm_gc_teavm/README.md

@@ -0,0 +1,25 @@
+
+# EaglercraftX WASM-GC Runtime
+
+This folder contains the Gradle project for compiling the EaglercraftX 1.8 client to WASM. This requires a special fork of TeaVM that has been modified for Eaglercraft. The `settings.gradle` and `build.gradle` are set up to download the binaries automatically but if you would like to build the TeaVM fork yourself you can use the TeaVM fork's `publishToMavenLocal` gradle task and replace the URL maven repository declarations in the gradle build scripts with `mavenLocal()` instead.
+
+**TeaVM Fork: [https://github.com/Eaglercraft-TeaVM-Fork/eagler-teavm/tree/eagler-r1](https://github.com/Eaglercraft-TeaVM-Fork/eagler-teavm/tree/eagler-r1)**
+
+### To compile the client:
+1. Run `CompileEPK` to compile the assets.epk file
+2. Run `CompileWASM` to compile the classes.wasm file
+3. Run `CompileEagRuntimeJS` to compile the eagruntime.js file
+4. Run `MakeWASMClientBundle` to bundle the client into an EPW file
+
+The final assets.epw and offline download will be in the "javascript_dist" folder
+
+### Optional Steps:
+- Run `CompileBootstrapJS` to recompile bootstrap.js in the javascript_dist folder
+- Run `CompileLoaderWASM`to recompile loader.js and loader.wasm (requires emscripten)
+
+### Potential issues when porting:
+- Disabling VSync causes bad input lag, the solution to this problem is to remove the vsync option and force people to play with vsync enabled, like all other browser games
+- TeaVM's WASM GC backend is still under development and will sometimes generate broken code with nested try/finally statements in a try/catch block, or other strange runtime glitches
+- Fewer reflection features are supported in WASM GC than the JavaScript backend (so far)
+- Do not use `@Async` or any sort of callback (like addEventListener) in your Java, you must implement async functions in JavaScript in `../src/wasm-gc-teavm/js`, using JSPI to suspend/resume the thread for promises, or by pushing events into a queue that you can poll from your Java for event handlers.
+- Functions imported via the `@Import` will not catch exceptions, if you want proper exception handling you must call the imported function through the JSO

sources/setup/workspace_template/wasm_gc_teavm/build.gradle

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+import org.teavm.gradle.api.OptimizationLevel
+import org.teavm.gradle.api.WasmDebugInfoLocation
+import org.teavm.gradle.api.WasmDebugInfoLevel
+
+plugins {
+    id "java"
+    id "eclipse"
+    id "org.teavm" version "0.11.0-EAGLER-R1"
+}
+
+sourceSets {
+    main {
+        java {
+            srcDirs(
+                "../src/main/java",
+                "../src/game/java",
+               	"../src/protocol-game/java",
+                "../src/protocol-relay/java",
+                "../src/wasm-gc-teavm/java"
+            )
+        }
+    }
+    
+}
+
+repositories {
+    maven {
+        url = uri("https://eaglercraft-teavm-fork.github.io/maven/")
+    }
+    mavenCentral()
+}
+
+dependencies {
+    compileOnly "org.teavm:teavm-core:0.11.0-EAGLER-R1" // workaround for a few hacks
+}
+
+def folder = "javascript"
+def name = "classes.wasm"
+
+teavm.wasmGC {
+    targetFileName = "../" + name
+    optimization = OptimizationLevel.AGGRESSIVE
+    outOfProcess = false
+    fastGlobalAnalysis = false
+    processMemory = 512
+    mainClass = "net.lax1dude.eaglercraft.v1_8.internal.wasm_gc_teavm.MainClass"
+    outputDir = file(folder)
+    properties = [ "java.util.TimeZone.autodetect": "true" ]
+    debugInformation = true
+    debugInfoLocation = WasmDebugInfoLocation.EXTERNAL;
+    debugInfoLevel = WasmDebugInfoLevel.DEOBFUSCATION;
+	directMallocSupport = true
+    minHeapSize = 32
+    maxHeapSize = 384
+    disassembly = true
+}

sources/setup/workspace_template/wasm_gc_teavm/gradle.properties

@@ -0,0 +1 @@
+org.gradle.jvmargs=-Xmx4G -Xms4G

sources/setup/workspace_template/wasm_gc_teavm/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,7 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.5-all.zip
+networkTimeout=10000
+validateDistributionUrl=true
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

sources/setup/workspace_template/wasm_gc_teavm/gradlew

@@ -0,0 +1,249 @@
+#!/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.
+#
+
+##############################################################################
+#
+#   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/subprojects/plugins/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 "${APP_HOME:-./}" > /dev/null && pwd -P ) || exit
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD=maximum
+
+warn () {
+    echo "$*"
+} >&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=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$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, 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" \
+        org.gradle.wrapper.GradleWrapperMain \
+        "$@"
+
+# Stop when "xargs" is not available.
+if ! command -v xargs >/dev/null 2>&1
+then
+    die "xargs is not available"
+fi
+
+# Use "xargs" to parse quoted args.
+#
+# With -n1 it outputs one arg per line, with the quotes and backslashes removed.
+#
+# In Bash we could simply go:
+#
+#   readarray ARGS < <( xargs -n1 <<<"$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 "$JAVACMD" "$@"

sources/setup/workspace_template/wasm_gc_teavm/gradlew.bat

@@ -0,0 +1,92 @@
+@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
+
+@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.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+: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

sources/setup/workspace_template/wasm_gc_teavm/javascript/OfflineDownloadTemplate.txt

@@ -0,0 +1,104 @@
+<!DOCTYPE html>
+
+
+
+<!--
+
+This file is from ${date}, there is no official eagler download link anymore, check the websites and discords of your favorite eagler servers for new versions
+
+Be aware that some server owners are lazy and do not update their client regularly
+
+This is the WASM-GC version of EaglercraftX and may not be compatible with outdated browsers
+
+-->
+
+
+
+
+
+
+
+
+
+
+
+
+
+<html style="width:100%;height:100%;background-color:black;">
+<head>
+<meta charset="UTF-8" />
+<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0" />
+<meta name="description" content="EaglercraftX 1.8 WASM-GC Offline" />
+<meta name="keywords" content="eaglercraft, eaglercraftx, minecraft, 1.8, 1.8.8" />
+<title>EaglercraftX 1.8 WASM-GC</title>
+<meta property="og:locale" content="en-US" />
+<meta property="og:type" content="website" />
+<meta property="og:title" content="EaglercraftX 1.8 WASM-GC Offline" />
+<meta property="og:description" content="this file is not a website, whoever uploaded it to this URL is a dumbass" />
+<script type="text/javascript">
+"use strict";
+var relayId = Math.floor(Math.random() * 3);
+
+// %%%%%%%%% launch options %%%%%%%%%%%%
+
+window.eaglercraftXOpts = {
+	container: "game_frame",
+	worldsDB: "worlds",
+	relays: [
+		{ addr: "wss://relay.deev.is/", comment: "lax1dude relay #1", primary: relayId == 0 },
+		{ addr: "wss://relay.lax1dude.net/", comment: "lax1dude relay #2", primary: relayId == 1 },
+		{ addr: "wss://relay.shhnowisnottheti.me/", comment: "ayunami relay #1", primary: relayId == 2 }
+	]
+};
+
+// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+</script>
+<script type="text/javascript">
+"use strict";
+if(typeof window !== "undefined") window.eaglercraftXClientScriptElement = document.currentScript;
+${classes_js}
+</script>
+<script type="text/javascript">
+"use strict";
+(function(){
+	window.eaglercraftXOpts.assetsURI = ${assets_epk};
+
+	var launchInterval = -1;
+	var launchCounter = 1;
+	var launchCountdownNumberElement = null;
+	var launchCountdownProgressElement = null;
+	var launchSkipCountdown = false;
+
+	var launchTick = function() {
+		launchCountdownNumberElement.innerText = "" + Math.floor(6.0 - launchCounter * 0.06);
+		launchCountdownProgressElement.style.width = "" + launchCounter + "%";
+		if(++launchCounter > 100 || launchSkipCountdown) {
+			clearInterval(launchInterval);
+			setTimeout(function() { document.body.removeChild(document.getElementById("launch_countdown_screen")); document.body.style.backgroundColor = "black"; main(); }, 50);
+		}
+	};
+
+	window.addEventListener("load", function() {
+		launchCountdownNumberElement = document.getElementById("launchCountdownNumber");
+		launchCountdownProgressElement = document.getElementById("launchCountdownProgress");
+		launchInterval = setInterval(launchTick, 50);
+		document.getElementById("skipCountdown").addEventListener("click", function() {
+			launchSkipCountdown = true;
+		});
+	});
+})();
+</script>
+<link type="image/png" rel="shortcut icon" href="data:image/png;base64,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" />
+</head>
+<body style="margin:0px;width:100%;height:100%;overflow:hidden;background-color:white;" id="game_frame">
+<div style="margin:0px;width:100%;height:100%;font-family:sans-serif;display:flex;align-items:center;user-select:none;" id="launch_countdown_screen">
+<div style="margin:auto;text-align:center;">
+<h1>This file is from <span style="color:#AA0000;">${date}</span></h1>
+<h2>Game will launch in <span id="launchCountdownNumber">5</span>...</h2>
+<div style="border:2px solid black;width:100%;height:15px;padding:1px;margin-bottom:20vh;"><div id="launchCountdownProgress" style="background-color:#555555;width:0%;height:100%;"></div>
+<p style="margin-top:30px;"><button id="skipCountdown" autofocus>Skip Countdown</button></p></div>
+</div>
+</div>
+</body>
+</html>

sources/setup/workspace_template/wasm_gc_teavm/javascript/epw_meta.txt

@@ -0,0 +1,8 @@
+client-version-integer=44
+client-package-name=net.lax1dude.eaglercraft.v1_8.client
+client-origin-name=EaglercraftX
+client-origin-version=u44
+client-origin-vendor=lax1dude
+client-fork-name=EaglercraftX
+client-fork-version=u44
+client-fork-vendor=lax1dude

sources/setup/workspace_template/wasm_gc_teavm/javascript/epw_src.txt

@@ -0,0 +1,22 @@
+loader-js-file=loader.js
+loader-wasm-file=loader.wasm
+eagruntime-js-file=eagruntime.js
+classes-wasm-file=classes.wasm
+classes-deobf-teadbg-file=classes.wasm.teadbg
+classes-deobf-wasm-file=classes.wasm-deobfuscator.wasm
+assets-epk-0-file=assets.epk
+assets-epk-0-path=/
+assets-epk-1-file=../../javascript/lang
+assets-epk-1-path=/assets/minecraft/lang/
+splash-logo-image-file=splash.png
+splash-logo-image-mime=image/png
+press-any-key-image-file=pressAnyKey.png
+press-any-key-image-mime=image/png
+crash-logo-image-file=crashLogo.png
+crash-logo-image-mime=image/png
+favicon-image-file=favicon.png
+favicon-image-mime=image/png
+jspi-unavailable-file=enableJSPIScreen.html
+offline-download-template=OfflineDownloadTemplate.txt
+offline-download-script=../javascript_dist/bootstrap.js
+offline-download-name=EaglercraftX_1.8_WASM-GC_Offline_Download.html

sources/setup/workspace_template/wasm_gc_teavm/javascript/index.html

@@ -0,0 +1,120 @@
+<!DOCTYPE html>
+<html style="width:100%;height:100%;background-color:black;">
+	<head>
+		<meta charset="UTF-8" />
+		<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0" />
+		<meta name="description" content="EaglercraftX 1.8 WASM-GC test directory HTML page" />
+		<meta name="keywords" content="eaglercraft, eaglercraftx, minecraft, 1.8, 1.8.8" />
+		<title>EaglercraftX 1.8 WASM-GC</title>
+		<meta property="og:locale" content="en-US" />
+		<meta property="og:type" content="website" />
+		<meta property="og:title" content="EaglercraftX 1.8 WASM-GC" />
+		<meta property="og:description" content="test directory HTML page" />
+		<link type="image/png" rel="shortcut icon" href="favicon.png" />
+		<script type="text/javascript">
+			"use strict";
+			window.addEventListener("load", async function() {
+				if(window.location.href.indexOf("file:") === 0) {
+					alert("HTTP please, do not open this file locally, run a local HTTP server and load it via HTTP");
+				}else if(typeof WebAssembly.Suspending === "undefined") {
+					alert("JSPI is not enabled, please enable it in chrome://flags");
+				}else {
+					const splash = document.createElement("div");
+					splash.style.width = "100%";
+					splash.style.height = "100%";
+					splash.style.imageRendering = "pixelated";
+					splash.style.background = "center / contain no-repeat url(splash.png), 0px 0px / 1000000% 1000000% no-repeat url(splash.png) white";
+					document.body.appendChild(splash);
+				
+					console.log("Downloading assets.epk...");
+					var assetsEPK;
+					try {
+						assetsEPK = new Uint8Array(await fetch("assets.epk").then(resp => resp.arrayBuffer()));
+					}catch(ex) {
+						alert("Could not download assets.epk!");
+						console.error("Could not download assets.epk!");
+						console.error(ex);
+						return;
+					}
+					console.log("Downloaded " + assetsEPK.length + " byte file");
+					
+					const relayId = Math.floor(Math.random() * 3);
+					const eaglercraftXOpts = {
+						demoMode: false,
+						localesURI: "lang/",
+						worldsDB: "worlds",
+						servers: [
+							{ addr: "ws://localhost:8081/", name: "Local test server" }
+						],
+						relays: [
+							{ addr: "wss://relay.deev.is/", comment: "lax1dude relay #1", primary: relayId === 0 },
+							{ addr: "wss://relay.lax1dude.net/", comment: "lax1dude relay #2", primary: relayId === 1 },
+							{ addr: "wss://relay.shhnowisnottheti.me/", comment: "ayunami relay #1", primary: relayId === 2 }
+						]
+					};
+					
+					window.__eaglercraftXLoaderContext = {
+						getEaglercraftXOpts: function() {
+							return eaglercraftXOpts;
+						},
+						getEagRuntimeJSURL: function() {
+							return "eagruntime.js";
+						},
+						getClassesWASMURL: function() {
+							return "classes.wasm";
+						},
+						getClassesDeobfWASMURL: function() {
+							return "classes.wasm-deobfuscator.wasm";
+						},
+						getClassesTEADBGURL: function() {
+							return "classes.wasm.teadbg";
+						},
+						getEPKFiles: function() {
+							return [{
+								name: "assets.epk",
+								path: "",
+								data: assetsEPK
+							}];
+						},
+						getRootElement: function() {
+							return document.body;
+						},
+						getMainArgs: function() {
+							return [];
+						},
+						getImageURL: function(idx) {
+							switch(idx) {
+							case 0:
+								return "splash.png";
+							case 1:
+								return "pressAnyKey.png";
+							case 2:
+								return "crashLogo.png";
+							case 3:
+								return "favicon.png";
+							default:
+								return null;
+							}
+						},
+						runMain: function(fn) {
+							setTimeout(fn, 10);
+						}
+					};
+
+					var q = window.location.search;
+					if((typeof q === "string") && q[0] === "?" && (typeof URLSearchParams !== "undefined")) {
+						q = new URLSearchParams(q);
+						var s = q.get("server");
+						if(s) eaglercraftXOpts.joinServer = s;
+					}
+					
+					const scriptElement = document.createElement("script");
+					scriptElement.type = "text/javascript";
+					scriptElement.src = "eagruntime.js";
+					document.head.appendChild(scriptElement);
+				}
+			});
+		</script>
+	</head>
+	<body style="margin:0px;width:100%;height:100%;overflow:hidden;background-color:black;" id="game_frame"></body>
+</html>

sources/setup/workspace_template/wasm_gc_teavm/javascript_dist/bootstrap.js

@@ -0,0 +1,12 @@
+(function(){'use strict';function g(a){console.log("LoaderBootstrap: [INFO] "+a)}function n(a){console.error("LoaderBootstrap: [ERROR] "+a)}var q=null;
+function r(){const a=[];for(var c=0;64>c;++c)a["ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".charCodeAt(c)]=c;a[45]=62;a[95]=63;return function(b,d){var e=b.length-d;if(0<e%4)throw Error("Invalid string. Length must be a multiple of 4");var f=b.indexOf("=",d);f=-1===f?e:f-d;e=[f,f===e?0:4-f%4];var l=e[0];e=e[1];f=new Uint8Array(3*(l+e)/4-e);var h=0;l=(0<e?l-4:l)+d;var k;for(k=d;k<l;k+=4)d=a[b.charCodeAt(k)]<<18|a[b.charCodeAt(k+1)]<<12|a[b.charCodeAt(k+2)]<<6|a[b.charCodeAt(k+
+3)],f[h++]=d>>16&255,f[h++]=d>>8&255,f[h++]=d&255;2===e?(d=a[b.charCodeAt(k)]<<2|a[b.charCodeAt(k+1)]>>4,f[h++]=d&255):1===e&&(d=a[b.charCodeAt(k)]<<10|a[b.charCodeAt(k+1)]<<4|a[b.charCodeAt(k+2)]>>2,f[h++]=d>>8&255,f[h++]=d&255);return f.buffer}}function u(){return new Promise(function(a){setTimeout(a,20)})}function v(a){return new Promise(function(c){fetch(a,{cache:"force-cache"}).then(function(b){return b.arrayBuffer()}).then(c).catch(function(b){n("Failed to fetch URL! "+b);c(null)})})}
+function w(a){return a.startsWith("data:application/octet-stream;base64,")?new Promise(function(c){v(a).then(function(b){if(b)c(b);else{console.log("LoaderBootstrap: [WARN] Failed to decode base64 via fetch, doing it the slow way instead...");try{q||=r();var d=q(a,37);c(d)}catch(e){n("Failed to decode base64! "+e),c(null)}}})}):v(a)}
+function x(a,c){const b=document.createElement("h2");b.style.color="#AA0000";b.style.padding="25px";b.style.fontFamily="sans-serif";b.style.marginBlock="0px";b.appendChild(document.createTextNode(c));a.appendChild(b);c=document.createElement("h4");c.style.color="#AA0000";c.style.padding="25px";c.style.fontFamily="sans-serif";c.style.marginBlock="0px";c.appendChild(document.createTextNode("Try again later"));a.style.backgroundColor="white";a.appendChild(c)}
+window.main=async function(){if("undefined"===typeof window.eaglercraftXOpts)n("window.eaglercraftXOpts is not defined!"),alert("window.eaglercraftXOpts is not defined!");else{var a=window.eaglercraftXOpts.container;if("string"!==typeof a)n("window.eaglercraftXOpts.container is not a string!"),alert("window.eaglercraftXOpts.container is not a string!");else{var c=window.eaglercraftXOpts.assetsURI;if("string"!==typeof c)if("object"===typeof c&&"object"===typeof c[0]&&"string"===typeof c[0].url)c=c[0].url;
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+b.appendChild(a);c.startsWith("data:")?(g('Downloading EPW file "<data: '+c.length+' chars>"...'),c=await w(c)):(g('Downloading EPW file "'+c+'"...'),c=await v(c));var d=!1;c?384>c.byteLength&&(n("The EPW file is too short"),d=!0):d=!0;if(d)b.removeChild(a),x(b,"Failed to download EPW file!"),n("Failed to download EPW file!");else{var e=new DataView(c);if(608649541!==e.getUint32(0,!0)||1297301847!==e.getUint32(4,!0))n("The file is not an EPW file"),d=!0;var f=c.byteLength;e.getUint32(8,!0)!==f&&(n("The EPW file is the wrong length"),
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sources/setup/workspace_template/wasm_gc_teavm/javascript_dist/index.html

@@ -0,0 +1,57 @@
+<!DOCTYPE html>
+<html style="width:100%;height:100%;background-color:black;">
+	<head>
+		<meta charset="UTF-8" />
+		<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0" />
+		<meta name="description" content="Play minecraft 1.8 in your browser" />
+		<meta name="keywords" content="eaglercraft, eaglercraftx, minecraft, 1.8, 1.8.8" />
+		<title>EaglercraftX 1.8 WASM-GC</title>
+		<meta property="og:locale" content="en-US" />
+		<meta property="og:type" content="website" />
+		<meta property="og:title" content="EaglercraftX 1.8 WASM-GC" />
+		<meta property="og:description" content="Play minecraft 1.8 in your browser" />
+		<meta property="og:image" content="favicon.png" />
+		<link type="image/png" rel="shortcut icon" href="favicon.png" />
+		<script type="text/javascript" src="bootstrap.js"></script>
+		<script type="text/javascript">
+			"use strict";
+			window.addEventListener("load", function() {
+				if(window.location.href.indexOf("file:") === 0) {
+					alert("HTTP please, do not open this file locally, run a local HTTP server and load it via HTTP");
+				}else {
+					
+					// %%%%%%%%% launch options %%%%%%%%%%%%
+					
+					var relayId = Math.floor(Math.random() * 3);
+					window.eaglercraftXOpts = {
+						demoMode: false,
+						container: "game_frame",
+						assetsURI: "assets.epw",
+						worldsDB: "worlds",
+						servers: [
+							/* example: { addr: "ws://localhost:8081/", name: "Local test server" } */
+						],
+						relays: [
+							{ addr: "wss://relay.deev.is/", comment: "lax1dude relay #1", primary: relayId == 0 },
+							{ addr: "wss://relay.lax1dude.net/", comment: "lax1dude relay #2", primary: relayId == 1 },
+							{ addr: "wss://relay.shhnowisnottheti.me/", comment: "ayunami relay #1", primary: relayId == 2 }
+						]
+					};
+					
+					// %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+					
+					var q = window.location.search;
+					if((typeof q === "string") && q[0] === "?" && (typeof window.URLSearchParams !== "undefined")) {
+						q = new window.URLSearchParams(q);
+						var s = q.get("server");
+						if(s) window.eaglercraftXOpts.joinServer = s;
+					}
+					
+					main();
+					
+				}
+			});
+		</script>
+	</head>
+	<body style="margin:0px;width:100%;height:100%;overflow:hidden;background-color:black;" id="game_frame"></body>
+</html>

sources/setup/workspace_template/wasm_gc_teavm/settings.gradle

@@ -0,0 +1,19 @@
+/*
+ * This file was generated by the Gradle 'init' task.
+ *
+ * The settings file is used to specify which projects to include in your build.
+ *
+ * Detailed information about configuring a multi-project build in Gradle can be found
+ * in the user manual at https://docs.gradle.org/6.0/userguide/multi_project_builds.html
+ */
+
+pluginManagement {
+    repositories {
+        maven {
+            url = uri("https://eaglercraft-teavm-fork.github.io/maven/")
+        }
+        mavenCentral()
+    }
+}
+
+rootProject.name = 'eagler-workspace-wasm-gc-teavm'