diff options
28 files changed, 1408 insertions, 1 deletions
diff --git a/.github/perspectivemod.png b/.github/perspectivemod.png Binary files differnew file mode 100644 index 0000000..e698546 --- /dev/null +++ b/.github/perspectivemod.png diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml new file mode 100644 index 0000000..dd5030b --- /dev/null +++ b/.github/workflows/build.yml @@ -0,0 +1,54 @@ +name: Build + +on: + push: + branches: + - '**' + pull_request: + +jobs: + build: + name: Build + runs-on: ubuntu-latest + env: + PROPERTIES_PATH: gradle.properties + + steps: + - uses: actions/checkout@v2 + + - name: Set up JDK 1.8 + uses: actions/setup-java@v1 + with: + java-version: 1.8 + + - name: Grant execute permission for gradlew + run: chmod +x gradlew + + - name: Setup ForgeGradle + run: ./gradlew setupCIWorkspace + + - name: Read mod name + id: read_mod_name + uses: christian-draeger/read-properties@1.0.1 + with: + path: ${{ env.PROPERTIES_PATH }} + property: archivesBaseName + + - name: Read mod version + id: read_mod_version + uses: christian-draeger/read-properties@1.0.1 + with: + path: ${{ env.PROPERTIES_PATH }} + property: version + + - name: Build with Gradle + run: ./gradlew build + + - name: Upload mod jar + env: + mod_jar_name: ${{ steps.read_mod_name.outputs.value }}-${{ steps.read_mod_version.outputs.value }} + mod_jar_path: build/libs/${{ steps.read_mod_name.outputs.value }}-${{ steps.read_mod_version.outputs.value }}.jar + uses: actions/upload-artifact@v1.0.0 + with: + name: ${{ env.mod_jar_name }} + path: ${{ env.mod_jar_path }} diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..2c770e0 --- /dev/null +++ b/.gitignore @@ -0,0 +1,22 @@ +# eclipse +bin +*.launch +.settings +.metadata +.classpath +.project + +# idea +out +*.ipr +*.iws +*.iml +.idea + +# gradle +build +.gradle + +# other +eclipse +run diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md new file mode 100644 index 0000000..e4b6a9c --- /dev/null +++ b/CONTRIBUTING.md @@ -0,0 +1 @@ +![](https://i.pinimg.com/originals/c0/23/21/c023217ab822ce262aaf44163784493d.jpg) @@ -0,0 +1,21 @@ +MIT License + +Copyright (c) 2020 DJtheRedstoner + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE.
\ No newline at end of file diff --git a/README.md b/README.md new file mode 100644 index 0000000..54f7b2b --- /dev/null +++ b/README.md @@ -0,0 +1,29 @@ +# Perspective Mod v4 + +A remake of [Perspective Mod v3 by canelex](https://github.com/Canelex/PerspectiveMod) with bug fixes and additional functionality + +[![Discord Link](https://img.shields.io/discord/767833575185580062?color=blueviolet&label=discord)](https://discord.gg/k8fnyEr) + +Features: +- Mouse button support +- Nametags face camera +- Config GUI +- Mod can be enabled/disabled +- Hold and toggle modes +- Invert pitch/Y axis mode +- Essential Integration + +Options can be configured with the `/perspectivemod` or `/pmod` commands. + +Download the mod from the [releases](https://github.com/DJtheRedstoner/PerspectiveModv4/releases) page. + +> Note: Using this mod with other perspective mods may cause issues and is not recommended. + +# A note on Hypixel and this mod + +Hypixel recently updated their rules which makes this mod disallowed. +They have blocked this mod (and every other perspective mod's) modid, +meaning you will be kicked if you attempt to join with it. I am happy +with this decision because it is being fairly enforced (the feature has +been disabled in clients, not just blocked mods), and it is well within +Hypixel's rights to change the rules and take measures to enforce them.
\ No newline at end of file diff --git a/build.gradle b/build.gradle new file mode 100644 index 0000000..189bde6 --- /dev/null +++ b/build.gradle @@ -0,0 +1,108 @@ +buildscript { + repositories { + mavenCentral() + gradlePluginPortal() + maven { + name = "forge" + url = "https://maven.minecraftforge.net/" + } + maven { + name = "jitpack" + url = "https://jitpack.io/" + } + } + dependencies { + classpath "com.github.asbyth:ForgeGradle:b13624b272" + classpath "com.github.jengelman.gradle.plugins:shadow:6.1.0" + } +} + +apply plugin: "net.minecraftforge.gradle.forge" +apply plugin: "com.github.johnrengelman.shadow" + +group= "me.djtheredstoner" + +sourceCompatibility = JavaVersion.VERSION_1_8 +targetCompatibility = JavaVersion.VERSION_1_8 +compileJava.options.encoding = 'UTF-8' + +sourceSets { + main { + output.resourcesDir = java.outputDir + } +} + +minecraft { + version = "1.8.9-11.15.1.2318-1.8.9" + runDir = "run" + mappings = "stable_22" + clientJvmArgs += "-Dfml.coreMods.load=me.djtheredstoner.perspectivemod.forge.PerspectiveModTweaker" +} + +configurations { + embed + implementation.extendsFrom(embed) +} + +repositories { + mavenCentral() + maven { url = "https://repo.sk1er.club/repository/maven-public/" } + maven { url = "https://jitpack.io/" } + maven { url = "https://repo.spongepowered.org/repository/maven-public/" } +} + +dependencies { + embed "gg.essential:loader-launchwrapper:1.1.0" + + implementation "gg.essential:Essential:1193-10809-SNAPSHOT" +} + +jar { + enabled = false +} + +shadowJar { + archiveClassifier.set("") + + duplicatesStrategy = DuplicatesStrategy.EXCLUDE + + configurations = [project.configurations.embed] + + manifest.attributes( + 'FMLCorePluginContainsFMLMod': true, + "ForceLoadAsMod": true, + 'ModSide': 'CLIENT', + "FMLCorePlugin": "me.djtheredstoner.perspectivemod.forge.PerspectiveModTweaker", + "TweakClass": "gg.essential.loader.stage0.EssentialSetupTweaker" + ) +} + +reobfJar.dependsOn tasks.shadowJar + +reobf { + shadowJar { + mappingType = 'SEARGE' + } +} + +processResources +{ + // this will ensure that this task is redone when the versions change. + inputs.property "version", project.version + inputs.property "mcversion", project.minecraft.version + + // replace stuff in mcmod.info, nothing else + from(sourceSets.main.resources.srcDirs) { + include 'mcmod.info' + + // replace version and mcversion + expand 'version':project.version, 'mcversion':project.minecraft.version + } + + // copy everything else, thats not the mcmod.info + from(sourceSets.main.resources.srcDirs) { + exclude 'mcmod.info' + } + + from(file("LICENSE")) +} diff --git a/gradle.properties b/gradle.properties new file mode 100644 index 0000000..ddd79e4 --- /dev/null +++ b/gradle.properties @@ -0,0 +1,6 @@ +org.gradle.jvmargs=-Xmx2G + +# These are in here and not in build.gradle so that github actions can read them +modid = djperspectivemod +archivesBaseName = PerspectiveModv4 +version = 4.5 diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar Binary files differnew file mode 100644 index 0000000..758de96 --- /dev/null +++ b/gradle/wrapper/gradle-wrapper.jar diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..8cf6eb5 --- /dev/null +++ b/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,5 @@ +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-6.8.3-all.zip +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists @@ -0,0 +1,172 @@ +#!/usr/bin/env sh + +############################################################################## +## +## Gradle start up script for UN*X +## +############################################################################## + +# Attempt to set APP_HOME +# Resolve links: $0 may be a link +PRG="$0" +# Need this for relative symlinks. +while [ -h "$PRG" ] ; do + ls=`ls -ld "$PRG"` + link=`expr "$ls" : '.*-> \(.*\)$'` + if expr "$link" : '/.*' > /dev/null; then + PRG="$link" + else + PRG=`dirname "$PRG"`"/$link" + fi +done +SAVED="`pwd`" +cd "`dirname \"$PRG\"`/" >/dev/null +APP_HOME="`pwd -P`" +cd "$SAVED" >/dev/null + +APP_NAME="Gradle" +APP_BASE_NAME=`basename "$0"` + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS="" + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD="maximum" + +warn () { + echo "$*" +} + +die () { + echo + echo "$*" + echo + exit 1 +} + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +nonstop=false +case "`uname`" in + CYGWIN* ) + cygwin=true + ;; + Darwin* ) + darwin=true + ;; + MINGW* ) + msys=true + ;; + NONSTOP* ) + nonstop=true + ;; +esac + +CLASSPATH=$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: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD="java" + which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." +fi + +# Increase the maximum file descriptors if we can. +if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then + MAX_FD_LIMIT=`ulimit -H -n` + if [ $? -eq 0 ] ; then + if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then + MAX_FD="$MAX_FD_LIMIT" + fi + ulimit -n $MAX_FD + if [ $? -ne 0 ] ; then + warn "Could not set maximum file descriptor limit: $MAX_FD" + fi + else + warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" + fi +fi + +# For Darwin, add options to specify how the application appears in the dock +if $darwin; then + GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" +fi + +# For Cygwin, switch paths to Windows format before running java +if $cygwin ; then + APP_HOME=`cygpath --path --mixed "$APP_HOME"` + CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` + JAVACMD=`cygpath --unix "$JAVACMD"` + + # We build the pattern for arguments to be converted via cygpath + ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` + SEP="" + for dir in $ROOTDIRSRAW ; do + ROOTDIRS="$ROOTDIRS$SEP$dir" + SEP="|" + done + OURCYGPATTERN="(^($ROOTDIRS))" + # Add a user-defined pattern to the cygpath arguments + if [ "$GRADLE_CYGPATTERN" != "" ] ; then + OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" + fi + # Now convert the arguments - kludge to limit ourselves to /bin/sh + i=0 + for arg in "$@" ; do + CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` + CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option + + if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition + eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` + else + eval `echo args$i`="\"$arg\"" + fi + i=$((i+1)) + done + case $i in + (0) set -- ;; + (1) set -- "$args0" ;; + (2) set -- "$args0" "$args1" ;; + (3) set -- "$args0" "$args1" "$args2" ;; + (4) set -- "$args0" "$args1" "$args2" "$args3" ;; + (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; + (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; + (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; + (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; + (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; + esac +fi + +# Escape application args +save () { + for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done + echo " " +} +APP_ARGS=$(save "$@") + +# Collect all arguments for the java command, following the shell quoting and substitution rules +eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" + +# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong +if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then + cd "$(dirname "$0")" +fi + +exec "$JAVACMD" "$@" diff --git a/gradlew.bat b/gradlew.bat new file mode 100644 index 0000000..f955316 --- /dev/null +++ b/gradlew.bat @@ -0,0 +1,84 @@ +@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=. +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@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= + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if "%ERRORLEVEL%" == "0" goto init + +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 init + +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 + +:init +@rem Get command-line arguments, handling Windows variants + +if not "%OS%" == "Windows_NT" goto win9xME_args + +:win9xME_args +@rem Slurp the command line arguments. +set CMD_LINE_ARGS= +set _SKIP=2 + +:win9xME_args_slurp +if "x%~1" == "x" goto execute + +set CMD_LINE_ARGS=%* + +: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 %CMD_LINE_ARGS% + +:end +@rem End local scope for the variables with windows NT shell +if "%ERRORLEVEL%"=="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! +if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 +exit /b 1 + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega diff --git a/readme.md b/readme.md deleted file mode 100644 index d4b3993..0000000 --- a/readme.md +++ /dev/null @@ -1 +0,0 @@ -this is why we can't have nice things
\ No newline at end of file diff --git a/src/main/java/me/djtheredstoner/perspectivemod/PerspectiveMod.java b/src/main/java/me/djtheredstoner/perspectivemod/PerspectiveMod.java new file mode 100644 index 0000000..8ef5ed5 --- /dev/null +++ b/src/main/java/me/djtheredstoner/perspectivemod/PerspectiveMod.java @@ -0,0 +1,133 @@ +package me.djtheredstoner.perspectivemod; + +import me.djtheredstoner.perspectivemod.commands.PerspectiveModCommand; +import me.djtheredstoner.perspectivemod.config.PerspectiveModConfig; +import net.minecraft.client.Minecraft; +import net.minecraft.client.settings.GameSettings; +import net.minecraft.client.settings.KeyBinding; +import net.minecraftforge.client.ClientCommandHandler; +import net.minecraftforge.client.event.GuiOpenEvent; +import net.minecraftforge.common.MinecraftForge; +import net.minecraftforge.event.world.WorldEvent; +import net.minecraftforge.fml.client.registry.ClientRegistry; +import net.minecraftforge.fml.common.Mod; +import net.minecraftforge.fml.common.event.FMLInitializationEvent; +import net.minecraftforge.fml.common.eventhandler.SubscribeEvent; +import net.minecraftforge.fml.common.gameevent.TickEvent; +import org.apache.logging.log4j.LogManager; +import org.apache.logging.log4j.Logger; +import org.lwjgl.input.Keyboard; +import org.lwjgl.opengl.Display; + +@Mod(modid = "djperspectivemod", name = "Perspective Mod v4", version = "4.5", acceptedMinecraftVersions = "[1.8.9]", clientSideOnly = true) +public class PerspectiveMod { + + @Mod.Instance + public static PerspectiveMod instance; + + public final PerspectiveModConfig config = new PerspectiveModConfig(); + + public boolean perspectiveToggled = false; + public float cameraYaw = 0F; + public float cameraPitch = 0F; + + private int previousPerspective = 0; + private boolean prevState = false; + + private final Minecraft mc = Minecraft.getMinecraft(); + private final KeyBinding perspectiveKey = new KeyBinding("Perspective", Keyboard.KEY_LMENU, "Perspective Mod"); + private final Logger logger = LogManager.getLogger("Perspective Mod v4"); + + @Mod.EventHandler + public void init(FMLInitializationEvent event) { + config.preload(); + + ClientRegistry.registerKeyBinding(perspectiveKey); + new PerspectiveModCommand("perspectivemod").register(); + new PerspectiveModCommand("pmod").register(); + MinecraftForge.EVENT_BUS.register(this); + } + + @SubscribeEvent + public void tick(TickEvent.RenderTickEvent event) { + boolean down = GameSettings.isKeyDown(perspectiveKey); + if(down != prevState && mc.currentScreen == null && mc.theWorld != null && mc.thePlayer != null) { + prevState = down; + onPressed(down); + } + } + + @SubscribeEvent + public void onGuiOpen(GuiOpenEvent event) { + if (event.gui != null && perspectiveToggled && config.holdMode) { + resetPerspective(); + } + } + + @SubscribeEvent + public void onWorldLoad(WorldEvent.Load event) { + if (perspectiveToggled) { + resetPerspective(); + } + } + + public void onPressed(boolean state) { + if (config.modEnabled) { + if (state) { + cameraYaw = mc.thePlayer.rotationYaw; + cameraPitch = mc.thePlayer.rotationPitch; + + if (perspectiveToggled) { + resetPerspective(); + } else { + enterPerspective(); + } + mc.renderGlobal.setDisplayListEntitiesDirty(); + } else if (config.holdMode) { + resetPerspective(); + } + } else if (perspectiveToggled) { + resetPerspective(); + } + } + + public void enterPerspective() { + perspectiveToggled = true; + previousPerspective = mc.gameSettings.thirdPersonView; + mc.gameSettings.thirdPersonView = 1; + } + + public void resetPerspective() { + perspectiveToggled = false; + mc.gameSettings.thirdPersonView = previousPerspective; + mc.renderGlobal.setDisplayListEntitiesDirty(); + } + + public boolean overrideMouse() { + if (mc.inGameHasFocus && Display.isActive()) { + if (!perspectiveToggled) { + return true; + } + + // CODE + mc.mouseHelper.mouseXYChange(); + float f1 = mc.gameSettings.mouseSensitivity * 0.6F + 0.2F; + float f2 = f1 * f1 * f1 * 8.0F; + float f3 = (float) mc.mouseHelper.deltaX * f2; + float f4 = (float) mc.mouseHelper.deltaY * f2; + + if(config.invertPitch) { + f4 = -f4; + } + + cameraYaw += f3 * 0.15F; + cameraPitch += f4 * 0.15F; + + if (cameraPitch > 90) cameraPitch = 90; + if (cameraPitch < -90) cameraPitch = -90; + mc.renderGlobal.setDisplayListEntitiesDirty(); + } + + return false; + } +} diff --git a/src/main/java/me/djtheredstoner/perspectivemod/asm/ClassTransformer.java b/src/main/java/me/djtheredstoner/perspectivemod/asm/ClassTransformer.java new file mode 100644 index 0000000..c7db68b --- /dev/null +++ b/src/main/java/me/djtheredstoner/perspectivemod/asm/ClassTransformer.java @@ -0,0 +1,118 @@ +package me.djtheredstoner.perspectivemod.asm; + +import com.google.common.collect.ArrayListMultimap; +import com.google.common.collect.Multimap; +import me.djtheredstoner.perspectivemod.asm.transformers.ActiveRenderInfoTransformer; +import me.djtheredstoner.perspectivemod.asm.transformers.EntityRendererTransformer; +import me.djtheredstoner.perspectivemod.asm.transformers.MinecraftTransformer; +import me.djtheredstoner.perspectivemod.asm.transformers.RenderManagerTransformer; +import net.minecraft.launchwrapper.IClassTransformer; +import org.apache.logging.log4j.LogManager; +import org.apache.logging.log4j.Logger; +import org.objectweb.asm.ClassReader; +import org.objectweb.asm.ClassWriter; +import org.objectweb.asm.tree.ClassNode; + +import java.io.File; +import java.io.FileOutputStream; +import java.io.IOException; +import java.util.Collection; + +public class ClassTransformer implements IClassTransformer { + + // create a logger to distinguish our errors from a normal error + private static final Logger LOGGER = LogManager.getLogger("Perspective Mod v4 Transformer"); + + // create a map of transformers + private final Multimap<String, ITransformer> transformerMap = ArrayListMultimap.create(); + + // make a jvm flag that could be used to dump transformed classes + // usable by adding -DdebugBytecode=true to the jvm arguments + public static final boolean outputBytecode = Boolean.parseBoolean(System.getProperty("debugBytecode", "false")); + + public ClassTransformer() { + // any transformer will be registered here + registerTransformer(new EntityRendererTransformer()); + registerTransformer(new RenderManagerTransformer()); + registerTransformer(new MinecraftTransformer()); + registerTransformer(new ActiveRenderInfoTransformer()); + } + + private void registerTransformer(ITransformer transformer) { + // loop through names of classes + for (String cls : transformer.getClassName()) { + // put the classes into the transformer map + transformerMap.put(cls, transformer); + } + } + + @SuppressWarnings("ResultOfMethodCallIgnored") + @Override + public byte[] transform(String name, String transformedName, byte[] bytes) { + if (bytes == null) return null; + + // get the list of transformers + Collection<ITransformer> transformers = transformerMap.get(transformedName); + // if empty, don't bother trying to run through transformation + if (transformers.isEmpty()) return bytes; + + // wjat + ClassReader reader = new ClassReader(bytes); + ClassNode node = new ClassNode(); + reader.accept(node, ClassReader.EXPAND_FRAMES); + + // for every transformer, perform the transformations + for (ITransformer transformer : transformers) { + transformer.transform(node, transformedName); + } + + // what????? + ClassWriter writer = new ClassWriter(ClassWriter.COMPUTE_FRAMES); + + try { + // write™ + node.accept(writer); + } catch (Throwable t) { + LOGGER.error("Exception when transforming " + transformedName + " : " + t.getClass().getSimpleName()); + t.printStackTrace(); + } + + if (outputBytecode) { + File bytecodeDirectory = new File("bytecode"); + String transformedClassName; + + // anonymous classes + if (transformedName.contains("$")) { + transformedClassName = transformedName.replace('$', '.') + ".class"; + } else { + transformedClassName = transformedName + ".class"; + } + + if (!bytecodeDirectory.exists()) { + bytecodeDirectory.mkdirs(); + } + + File bytecodeOutput = new File(bytecodeDirectory, transformedClassName); + + try { + if (!bytecodeOutput.exists()) { + bytecodeOutput.createNewFile(); + } + } catch (Exception e) { + e.printStackTrace(); + } + + try (FileOutputStream os = new FileOutputStream(bytecodeOutput)) { + // write to the generated class to /run/bytecode/classfile.class + // with the class bytes from transforming + os.write(writer.toByteArray()); + } catch (IOException e) { + e.printStackTrace(); + } + } + + // return the written bytes and finalize transform + return writer.toByteArray(); + } + +} diff --git a/src/main/java/me/djtheredstoner/perspectivemod/asm/ITransformer.java b/src/main/java/me/djtheredstoner/perspectivemod/asm/ITransformer.java new file mode 100644 index 0000000..9ef82be --- /dev/null +++ b/src/main/java/me/djtheredstoner/perspectivemod/asm/ITransformer.java @@ -0,0 +1,98 @@ +package me.djtheredstoner.perspectivemod.asm; + +import net.minecraftforge.fml.common.asm.transformers.deobf.FMLDeobfuscatingRemapper; +import org.objectweb.asm.tree.*; + +public interface ITransformer { + + /** + * The class name that's being transformed + * + * @return the class name + */ + String[] getClassName(); + + /** + * Perform any asm in order to transform code + * + * @param classNode the transformed class node + * @param name the transformed class name + */ + void transform(ClassNode classNode, String name); + + /** + * Map the method name from notch names + * + * @param classNode the transformed class node + * @param methodNode the transformed classes method node + * @return a mapped method name + */ + default String mapMethodName(ClassNode classNode, MethodNode methodNode) { + return FMLDeobfuscatingRemapper.INSTANCE.mapMethodName(classNode.name, methodNode.name, methodNode.desc); + } + + /** + * Map the field name from notch names + * + * @param classNode the transformed class node + * @param fieldNode the transformed classes field node + * @return a mapped field name + */ + default String mapFieldName(ClassNode classNode, FieldNode fieldNode) { + return FMLDeobfuscatingRemapper.INSTANCE.mapFieldName(classNode.name, fieldNode.name, fieldNode.desc); + } + + /** + * Map the method desc from notch names + * + * @param methodNode the transformed method node + * @return a mapped method desc + */ + default String mapMethodDesc(MethodNode methodNode) { + return FMLDeobfuscatingRemapper.INSTANCE.mapMethodDesc(methodNode.desc); + } + + /** + * Map the method name from notch names + * + * @param methodInsnNode the transformed method insn node + * @return a mapped insn method + */ + default String mapMethodNameFromNode(MethodInsnNode methodInsnNode) { + return FMLDeobfuscatingRemapper.INSTANCE.mapMethodName(methodInsnNode.owner, methodInsnNode.name, methodInsnNode.desc); + } + + /** + * Map the field name from notch names + * + * @param fieldInsnNode the transformed field insn node + * @return a mapped insn field + */ + default String mapFieldNameFromNode(FieldInsnNode fieldInsnNode) { + return FMLDeobfuscatingRemapper.INSTANCE.mapFieldName(fieldInsnNode.owner, fieldInsnNode.name, fieldInsnNode.desc); + } + + default String mapClassName(String name) { + return FMLDeobfuscatingRemapper.INSTANCE.mapType(name); + } + + /** + * Remove instructions to this method + * + * @param methodNode the method being cleared + */ + default void clearInstructions(MethodNode methodNode) { + methodNode.instructions.clear(); + + // dont waste time clearing local variables if they're empty + if (!methodNode.localVariables.isEmpty()) { + methodNode.localVariables.clear(); + } + + // dont waste time clearing try-catches if they're empty + if (!methodNode.tryCatchBlocks.isEmpty()) { + methodNode.tryCatchBlocks.clear(); + } + } + +} diff --git a/src/main/java/me/djtheredstoner/perspectivemod/asm/hooks/ActiveRenderInfoHook.java b/src/main/java/me/djtheredstoner/perspectivemod/asm/hooks/ActiveRenderInfoHook.java new file mode 100644 index 0000000..94296d1 --- /dev/null +++ b/src/main/java/me/djtheredstoner/perspectivemod/asm/hooks/ActiveRenderInfoHook.java @@ -0,0 +1,16 @@ +package me.djtheredstoner.perspectivemod.asm.hooks; + +import me.djtheredstoner.perspectivemod.PerspectiveMod; +import net.minecraft.entity.player.EntityPlayer; + +public class ActiveRenderInfoHook { + + public static float rotationYawHook(EntityPlayer entity) { + return PerspectiveMod.instance.perspectiveToggled ? PerspectiveMod.instance.cameraYaw : entity.rotationYaw; + } + + public static float rotationPitchHook(EntityPlayer entity) { + return PerspectiveMod.instance.perspectiveToggled ? PerspectiveMod.instance.cameraPitch : entity.rotationPitch; + } + +} diff --git a/src/main/java/me/djtheredstoner/perspectivemod/asm/hooks/EntityRendererHook.java b/src/main/java/me/djtheredstoner/perspectivemod/asm/hooks/EntityRendererHook.java new file mode 100644 index 0000000..a6ea788 --- /dev/null +++ b/src/main/java/me/djtheredstoner/perspectivemod/asm/hooks/EntityRendererHook.java @@ -0,0 +1,32 @@ +package me.djtheredstoner.perspectivemod.asm.hooks; + +import me.djtheredstoner.perspectivemod.PerspectiveMod; +import net.minecraft.client.Minecraft; +import net.minecraft.entity.Entity; + +public class EntityRendererHook { + + public static float rotationYawHook(Entity entity) { + return PerspectiveMod.instance.perspectiveToggled ? PerspectiveMod.instance.cameraYaw : entity.rotationYaw; + } + + public static float prevRotationYawHook(Entity entity) { + return PerspectiveMod.instance.perspectiveToggled ? PerspectiveMod.instance.cameraYaw : entity.prevRotationYaw; + } + + public static float rotationPitchHook(Entity entity) { + return PerspectiveMod.instance.perspectiveToggled ? PerspectiveMod.instance.cameraPitch : entity.rotationPitch; + } + + public static float prevRotationPitchHook(Entity entity) { + return PerspectiveMod.instance.perspectiveToggled ? PerspectiveMod.instance.cameraPitch : entity.prevRotationPitch; + } + + public static boolean mouseHook(Minecraft minecraft) { + return PerspectiveMod.instance == null ? minecraft.inGameHasFocus : PerspectiveMod.instance.overrideMouse(); + } + + public static double distanceHook(double value) { + return value; + } +} diff --git a/src/main/java/me/djtheredstoner/perspectivemod/asm/hooks/MinecraftHook.java b/src/main/java/me/djtheredstoner/perspectivemod/asm/hooks/MinecraftHook.java new file mode 100644 index 0000000..31914f8 --- /dev/null +++ b/src/main/java/me/djtheredstoner/perspectivemod/asm/hooks/MinecraftHook.java @@ -0,0 +1,16 @@ +package me.djtheredstoner.perspectivemod.asm.hooks; + +import me.djtheredstoner.perspectivemod.PerspectiveMod; +import net.minecraft.client.settings.GameSettings; + +public class MinecraftHook { + + public static void thirdPersonHook(GameSettings gameSettings, int value) { + if(PerspectiveMod.instance.perspectiveToggled) { + PerspectiveMod.instance.resetPerspective(); + } else { + gameSettings.thirdPersonView = value; + } + } + +} diff --git a/src/main/java/me/djtheredstoner/perspectivemod/asm/hooks/RenderManagerHook.java b/src/main/java/me/djtheredstoner/perspectivemod/asm/hooks/RenderManagerHook.java new file mode 100644 index 0000000..2f55de1 --- /dev/null +++ b/src/main/java/me/djtheredstoner/perspectivemod/asm/hooks/RenderManagerHook.java @@ -0,0 +1,15 @@ +package me.djtheredstoner.perspectivemod.asm.hooks; + +import me.djtheredstoner.perspectivemod.PerspectiveMod; +import net.minecraft.client.renderer.entity.RenderManager; + +public class RenderManagerHook { + + public static void playerViewXHook(RenderManager renderManager, float value) { + renderManager.playerViewX = PerspectiveMod.instance.perspectiveToggled ? PerspectiveMod.instance.cameraPitch : value; + } + + public static void playerViewYHook(RenderManager renderManager, float value) { + renderManager.playerViewY = PerspectiveMod.instance.perspectiveToggled ? PerspectiveMod.instance.cameraYaw : value; + } +} diff --git a/src/main/java/me/djtheredstoner/perspectivemod/asm/transformers/ActiveRenderInfoTransformer.java b/src/main/java/me/djtheredstoner/perspectivemod/asm/transformers/ActiveRenderInfoTransformer.java new file mode 100644 index 0000000..9a37575 --- /dev/null +++ b/src/main/java/me/djtheredstoner/perspectivemod/asm/transformers/ActiveRenderInfoTransformer.java @@ -0,0 +1,68 @@ +package me.djtheredstoner.perspectivemod.asm.transformers; + +import me.djtheredstoner.perspectivemod.asm.ITransformer; +import org.objectweb.asm.tree.*; + +import java.util.ListIterator; + +import static org.objectweb.asm.Opcodes.*; + +public class ActiveRenderInfoTransformer implements ITransformer { + + private static final String HOOK_CLASS = "me/djtheredstoner/perspectivemod/asm/hooks/ActiveRenderInfoHook"; + + @Override + public String[] getClassName() { + return new String[]{"net.minecraft.client.renderer.ActiveRenderInfo"}; + } + + @Override + public void transform(ClassNode classNode, String name) { + for (MethodNode method : classNode.methods) { + String methodName = mapMethodName(classNode, method); + + if (methodName.equals("updateRenderInfo") || methodName.equals("func_74583_a")) { + ListIterator<AbstractInsnNode> iterator = method.instructions.iterator(); + + while (iterator.hasNext()) { + AbstractInsnNode next = iterator.next(); + + if(next.getOpcode() == GETFIELD) { + FieldInsnNode insn = (FieldInsnNode) next; + + String ownerName = mapClassName(insn.owner); + String fieldName = mapFieldNameFromNode(insn); + + if(ownerName.equals("net/minecraft/entity/player/EntityPlayer") && insn.desc.equals("F")) { + InsnList insnList = null; + + switch (fieldName) { + case "rotationPitch": + case "field_70125_A": + insnList = insertRotationHook("Pitch"); + break; + case "rotationYaw": + case "field_70177_z": + insnList = insertRotationHook("Yaw"); + break; + } + + if(insnList != null) { + method.instructions.insertBefore(insn, insnList); + method.instructions.remove(insn); + } + } + } + } + } + } + } + + private InsnList insertRotationHook(String field) { + InsnList insnList = new InsnList(); + + insnList.add(new MethodInsnNode(INVOKESTATIC, HOOK_CLASS, "rotation" + field + "Hook", "(Lnet/minecraft/entity/player/EntityPlayer;)F", false)); + + return insnList; + } +} diff --git a/src/main/java/me/djtheredstoner/perspectivemod/asm/transformers/EntityRendererTransformer.java b/src/main/java/me/djtheredstoner/perspectivemod/asm/transformers/EntityRendererTransformer.java new file mode 100644 index 0000000..3b6a5ae --- /dev/null +++ b/src/main/java/me/djtheredstoner/perspectivemod/asm/transformers/EntityRendererTransformer.java @@ -0,0 +1,128 @@ +package me.djtheredstoner.perspectivemod.asm.transformers; + +import me.djtheredstoner.perspectivemod.asm.ITransformer; +import org.objectweb.asm.tree.*; + +import java.util.Iterator; + +import static org.objectweb.asm.Opcodes.*; + +/** + * @see net.minecraft.client.renderer.EntityRenderer + */ +public class EntityRendererTransformer implements ITransformer { + + private static final String HOOK_CLASS = "me/djtheredstoner/perspectivemod/asm/hooks/EntityRendererHook"; + + @Override + public String[] getClassName() { + return new String[]{"net.minecraft.client.renderer.EntityRenderer"}; + } + + @Override + public void transform(ClassNode classNode, String name) { + for (MethodNode method : classNode.methods) { + String methodName = mapMethodName(classNode, method); + + if (methodName.equals("orientCamera") || methodName.equals("func_78467_g")) { + + Iterator<AbstractInsnNode> iterator = method.instructions.iterator(); + + while (iterator.hasNext()) { + AbstractInsnNode next = iterator.next(); + + if(next.getOpcode() == GETFIELD) { + FieldInsnNode insn = (FieldInsnNode)next; + + String ownerName = mapClassName(insn.owner); + String fieldName = mapFieldNameFromNode(insn); + + if(ownerName.equals("net/minecraft/entity/Entity" ) && insn.desc.equals("F")) { + + InsnList insnList = null; + + switch (fieldName) { + case "rotationYaw": + case "field_70177_z": + insnList = insertRotationHook("rotationYaw"); + break; + case "prevRotationYaw": + case "field_70126_B": + insnList = insertRotationHook("prevRotationYaw"); + break; + case "rotationPitch": + case "field_70125_A": + insnList = insertRotationHook("rotationPitch"); + break; + case "prevRotationPitch": + case "field_70127_C": + insnList = insertRotationHook("prevRotationPitch"); + break; + } + + if(insnList != null) { + method.instructions.insertBefore(insn, insnList); + method.instructions.remove(insn); + } + } + } /*else if (next.getOpcode() == DLOAD) { + VarInsnNode insn = (VarInsnNode) next; + + if(insn.getPrevious().getOpcode() == FCONST_0 && insn.getNext().getOpcode() == DNEG) { + method.instructions.insert(insn, insertDistanceHook()); + } + }*/ + } + } else if (methodName.equals("updateCameraAndRender") || methodName.equals("func_181560_a")) { + + Iterator<AbstractInsnNode> iterator = method.instructions.iterator(); + + while (iterator.hasNext()) { + AbstractInsnNode next = iterator.next(); + + if(next.getOpcode() == GETFIELD) { + FieldInsnNode insn = (FieldInsnNode)next; + + String ownerName = mapClassName(insn.owner); + String fieldName = mapFieldNameFromNode(insn); + + if(ownerName.equals("net/minecraft/client/Minecraft") && (fieldName.equals("inGameHasFocus") || fieldName.equals("field_71415_G")) && insn.desc.equals("Z") + && insn.getNext().getNext().getNext().getOpcode() == IFEQ) { + method.instructions.insertBefore(insn, insertMouseHook()); + method.instructions.remove(insn); + } + } + } + } + //Poggers Ultra FPS Praseodymium mode. + /* else if (methodName.equals("renderWorldPass") || methodName.equals("func_175068_a")) { + + method.instructions.insert(method.instructions.getFirst(), new InsnNode(RETURN)); + }*/ + } + } + + private InsnList insertRotationHook(String field) { + InsnList list = new InsnList(); + + list.add(new MethodInsnNode(INVOKESTATIC, HOOK_CLASS, field + "Hook", "(Lnet/minecraft/entity/Entity;)F", false)); + + return list; + } + + private InsnList insertMouseHook() { + InsnList list = new InsnList(); + + list.add(new MethodInsnNode(INVOKESTATIC, HOOK_CLASS, "mouseHook", "(Lnet/minecraft/client/Minecraft;)Z", false)); + + return list; + } + + private InsnList insertDistanceHook() { + InsnList list = new InsnList(); + + list.add(new MethodInsnNode(INVOKESTATIC, HOOK_CLASS, "distanceHook", "(D)D", false)); + + return list; + } +} diff --git a/src/main/java/me/djtheredstoner/perspectivemod/asm/transformers/MinecraftTransformer.java b/src/main/java/me/djtheredstoner/perspectivemod/asm/transformers/MinecraftTransformer.java new file mode 100644 index 0000000..ca1874b --- /dev/null +++ b/src/main/java/me/djtheredstoner/perspectivemod/asm/transformers/MinecraftTransformer.java @@ -0,0 +1,57 @@ +package me.djtheredstoner.perspectivemod.asm.transformers; + +import me.djtheredstoner.perspectivemod.asm.ITransformer; +import org.objectweb.asm.tree.*; + +import java.util.Iterator; + +import static org.objectweb.asm.Opcodes.*; + +/** + * @see net.minecraft.client.Minecraft + */ +public class MinecraftTransformer implements ITransformer { + + private static final String HOOK_CLASS = "me/djtheredstoner/perspectivemod/asm/hooks/MinecraftHook"; + + @Override + public String[] getClassName() { + return new String[]{"net.minecraft.client.Minecraft"}; + } + + @Override + public void transform(ClassNode classNode, String name) { + for (MethodNode method : classNode.methods) { + String methodName = mapMethodName(classNode, method); + + if (methodName.equals("runTick") || methodName.equals("func_71407_l")) { + Iterator<AbstractInsnNode> iterator = method.instructions.iterator(); + + while (iterator.hasNext()) { + AbstractInsnNode next = iterator.next(); + + if (next.getOpcode() == PUTFIELD) { + FieldInsnNode insn = (FieldInsnNode) next; + + String ownerName = mapClassName(insn.owner); + String fieldName = mapFieldNameFromNode(insn); + + if (ownerName.equals("net/minecraft/client/settings/GameSettings") && + (fieldName.equals("thirdPersonView") || fieldName.equals("field_74320_O")) && insn.desc.equals("I")) { + method.instructions.insertBefore(insn, insertThirdPersonHook()); + method.instructions.remove(insn); + } + } + } + } + } + } + + public InsnList insertThirdPersonHook() { + InsnList list = new InsnList(); + + list.add(new MethodInsnNode(INVOKESTATIC, HOOK_CLASS, "thirdPersonHook", "(Lnet/minecraft/client/settings/GameSettings;I)V", false)); + + return list; + } +} diff --git a/src/main/java/me/djtheredstoner/perspectivemod/asm/transformers/RenderManagerTransformer.java b/src/main/java/me/djtheredstoner/perspectivemod/asm/transformers/RenderManagerTransformer.java new file mode 100644 index 0000000..e41b81a --- /dev/null +++ b/src/main/java/me/djtheredstoner/perspectivemod/asm/transformers/RenderManagerTransformer.java @@ -0,0 +1,71 @@ +package me.djtheredstoner.perspectivemod.asm.transformers; + +import me.djtheredstoner.perspectivemod.asm.ITransformer; +import org.objectweb.asm.tree.*; + +import java.util.Iterator; + +import static org.objectweb.asm.Opcodes.*; + +/** + * @see net.minecraft.client.renderer.entity.RenderManager + */ +public class RenderManagerTransformer implements ITransformer { + private static final String HOOK_CLASS = "me/djtheredstoner/perspectivemod/asm/hooks/RenderManagerHook"; + + @Override + public String[] getClassName() { + return new String[]{"net.minecraft.client.renderer.entity.RenderManager"}; + } + + @Override + public void transform(ClassNode classNode, String name) { + for (MethodNode method : classNode.methods) { + String methodName = mapMethodName(classNode, method); + + if (methodName.equals("cacheActiveRenderInfo") || methodName.equals("func_180597_a")) { + Iterator<AbstractInsnNode> iterator = method.instructions.iterator(); + + while (iterator.hasNext()) { + AbstractInsnNode next = iterator.next(); + + if (next.getOpcode() == PUTFIELD) { + FieldInsnNode insn = (FieldInsnNode)next; + + String ownerName = mapClassName(insn.owner); + String fieldName = mapFieldNameFromNode(insn); + + if (ownerName.equals("net/minecraft/client/renderer/entity/RenderManager") && insn.desc.equals("F")) { + + InsnList insnList = null; + + switch (fieldName) { + case "playerViewX": + case "field_78732_j": + insnList = insertRotationHook("playerViewX"); + break; + case "playerViewY": + case "field_78735_i": + insnList = insertRotationHook("playerViewY"); + break; + } + + if(insnList != null) { + method.instructions.insertBefore(insn, insnList); + method.instructions.remove(insn); + } + } + } + } + } + } + } + + public InsnList insertRotationHook(String field) { + InsnList list = new InsnList(); + + list.add(new MethodInsnNode(INVOKESTATIC, HOOK_CLASS, field + "Hook", "(Lnet/minecraft/client/renderer/entity/RenderManager;F)V", false)); + + return list; + } +} diff --git a/src/main/java/me/djtheredstoner/perspectivemod/commands/PerspectiveModCommand.java b/src/main/java/me/djtheredstoner/perspectivemod/commands/PerspectiveModCommand.java new file mode 100644 index 0000000..00b0d27 --- /dev/null +++ b/src/main/java/me/djtheredstoner/perspectivemod/commands/PerspectiveModCommand.java @@ -0,0 +1,19 @@ +package me.djtheredstoner.perspectivemod.commands; + +import gg.essential.api.EssentialAPI; +import gg.essential.api.commands.Command; +import gg.essential.api.commands.DefaultHandler; +import me.djtheredstoner.perspectivemod.PerspectiveMod; + +public class PerspectiveModCommand extends Command { + + public PerspectiveModCommand(String name) { + super(name); + } + + @DefaultHandler + public void handle() { + EssentialAPI.getGuiUtil().openScreen(PerspectiveMod.instance.config.gui()); + } + +} diff --git a/src/main/java/me/djtheredstoner/perspectivemod/config/PerspectiveModConfig.java b/src/main/java/me/djtheredstoner/perspectivemod/config/PerspectiveModConfig.java new file mode 100644 index 0000000..dd10623 --- /dev/null +++ b/src/main/java/me/djtheredstoner/perspectivemod/config/PerspectiveModConfig.java @@ -0,0 +1,42 @@ +package me.djtheredstoner.perspectivemod.config; + +import gg.essential.vigilance.Vigilant; +import gg.essential.vigilance.data.Property; +import gg.essential.vigilance.data.PropertyType; + +import java.io.File; + +public class PerspectiveModConfig extends Vigilant { + + @Property( + type = PropertyType.SWITCH, + name = "Perspective Mod", + category = "General", + subcategory = "General", + description = "Toggle Perspective Mod entirely." + ) + public boolean modEnabled = true; + + @Property( + type = PropertyType.SWITCH, + name = "Hold Mode", + category = "General", + subcategory = "General", + description = "Return to normal perspective after releasing keybind." + ) + public boolean holdMode = true; + + @Property( + type = PropertyType.SWITCH, + name = "Invert Pitch", + category = "General", + subcategory = "General", + description = "Invert the pitch while in perspective (same as blc/lunar)." + ) + public boolean invertPitch = false; + + public PerspectiveModConfig() { + super(new File("./config/perspectivemodv4.toml")); + initialize(); + } +} diff --git a/src/main/java/me/djtheredstoner/perspectivemod/forge/PerspectiveModTweaker.java b/src/main/java/me/djtheredstoner/perspectivemod/forge/PerspectiveModTweaker.java new file mode 100644 index 0000000..695f7a2 --- /dev/null +++ b/src/main/java/me/djtheredstoner/perspectivemod/forge/PerspectiveModTweaker.java @@ -0,0 +1,77 @@ +package me.djtheredstoner.perspectivemod.forge; + +import me.djtheredstoner.perspectivemod.asm.ClassTransformer; +import net.minecraft.launchwrapper.Launch; +import net.minecraftforge.common.ForgeVersion; +import net.minecraftforge.fml.relauncher.IFMLLoadingPlugin; + +import javax.swing.*; +import java.io.File; +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; +import java.util.Map; +import java.util.zip.ZipFile; + + +@IFMLLoadingPlugin.MCVersion(ForgeVersion.mcVersion) +public class PerspectiveModTweaker implements IFMLLoadingPlugin { + + public PerspectiveModTweaker() { + File mods = new File(Launch.minecraftHome, "mods"); + + if (!mods.exists()) { + mods.mkdirs(); // mods folder may not exist in dev yet + } + + File[] coreModList = mods.listFiles((dir, name) -> name.endsWith(".jar")); + for (File file : coreModList) { + try { + try (ZipFile zipFile = new ZipFile(file)) { + if (zipFile.getEntry("net/canelex/perspectivemod/PerspectiveMod.class") != null) { + halt("<html><p>Perspective Mod v4 is not compatible with Perspective Mod v3 by Canelex. Please remove Canelex's in order to launch the game.</p></html>"); + continue; + } + } + } catch (Exception e) { + e.printStackTrace(); + } + } + } + + private void halt(final String message) { + JOptionPane.showMessageDialog(null, message, "Launch Aborted", JOptionPane.ERROR_MESSAGE); + try { + final Class<?> aClass = Class.forName("java.lang.Shutdown"); + final Method exit = aClass.getDeclaredMethod("exit", int.class); + exit.setAccessible(true); + exit.invoke(null, 0); + } catch (ClassNotFoundException | NoSuchMethodException | IllegalAccessException | InvocationTargetException e) { + e.printStackTrace(); + } + } + + @Override + public String[] getASMTransformerClass() { + return new String[]{ClassTransformer.class.getName()}; + } + + @Override + public String getModContainerClass() { + return null; + } + + @Override + public String getSetupClass() { + return null; + } + + @Override + public void injectData(Map<String, Object> map) { + + } + + @Override + public String getAccessTransformerClass() { + return null; + } +} diff --git a/src/main/resources/mcmod.info b/src/main/resources/mcmod.info new file mode 100644 index 0000000..5827825 --- /dev/null +++ b/src/main/resources/mcmod.info @@ -0,0 +1,16 @@ +[ +{ + "modid": "djperspectivemod", + "name": "Perspective Mod v4", + "description": "", + "version": "${version}", + "mcversion": "${mcversion}", + "url": "", + "updateUrl": "", + "authorList": ["DJtheRedstoner"], + "credits": "", + "logoFile": "", + "screenshots": [], + "dependencies": [] +} +] |