basic pipe looks

.gitignore

@@ -0,0 +1,22 @@
+/rebuild.bat
+/doAllTheThings.bat
+/.gradle
+/build
+/out
+/idea
+/.idea
+/*.iml
+/*.ipr
+/*.iws
+/lib
+/classes
+/bin/
+/run/
+
+*.classpath
+*.project
+.settings/org.eclipse.buildship.core.prefs
+*.launch
+.settings/org.eclipse.jdt.core.prefs
+*.prefs
+.cache

Jenkinsfile

@@ -0,0 +1,23 @@
+pipeline {
+  agent any
+  stages {
+    stage('Clean') {
+      steps {
+        sh 'chmod +x ./gradlew'
+        sh './gradlew clean --no-daemon'
+      }
+    }
+
+    stage('Build') {
+      steps {
+        sh './gradlew build --no-daemon'
+      }
+    }
+
+    stage('Upload Artifacts') {
+      steps {
+        archiveArtifacts 'build/libs/**.jar'
+      }
+    }
+  }
+}

build.gradle

@@ -0,0 +1,153 @@
+buildscript {
+    repositories {
+        maven { url = 'https://files.minecraftforge.net/maven' }
+        jcenter()
+        mavenCentral()
+    }
+    dependencies {
+        classpath group: 'net.minecraftforge.gradle', name: 'ForgeGradle', version: '3.+', changing: true
+    }
+}
+apply plugin: 'net.minecraftforge.gradle'
+// Only edit below this line, the above code adds and enables the necessary things for Forge to be setup.
+apply plugin: 'eclipse'
+apply plugin: 'maven-publish'
+
+version = '0.1'
+group = 'de.ellpeck.prettypipes' // http://maven.apache.org/guides/mini/guide-naming-conventions.html
+archivesBaseName = 'PrettyPipes'
+
+if (System.getenv('BUILD_NUMBER') != null) {
+    version += "." + System.getenv('BUILD_NUMBER')
+}
+sourceCompatibility = targetCompatibility = compileJava.sourceCompatibility = compileJava.targetCompatibility = '1.8' // Need this here so eclipse task generates correctly.
+
+minecraft {
+    mappings channel: 'snapshot', version: '20200128-1.15.1'
+
+    runs {
+        client {
+            workingDirectory project.file('run')
+
+            // Recommended logging data for a userdev environment
+            property 'forge.logging.markers', 'SCAN,REGISTRIES,REGISTRYDUMP'
+
+            // Recommended logging level for the console
+            property 'forge.logging.console.level', 'info'
+
+            mods {
+                prettypipes {
+                    source sourceSets.main
+                }
+            }
+        }
+
+        server {
+            workingDirectory project.file('run')
+
+            // Recommended logging data for a userdev environment
+            property 'forge.logging.markers', 'SCAN,REGISTRIES,REGISTRYDUMP'
+
+            // Recommended logging level for the console
+            property 'forge.logging.console.level', 'info'
+
+            mods {
+                prettypipes {
+                    source sourceSets.main
+                }
+            }
+        }
+
+        data {
+            workingDirectory project.file('run')
+
+            // Recommended logging data for a userdev environment
+            property 'forge.logging.markers', 'SCAN,REGISTRIES,REGISTRYDUMP'
+
+            // Recommended logging level for the console
+            property 'forge.logging.console.level', 'info'
+
+            args '--mod', 'prettypipes', '--all', '--output', file('src/generated/resources/'), '--existing', file('src/main/resources/'), '--existing', file('src/generated/resources')
+
+            mods {
+                prettypipes {
+                    source sourceSets.main
+                }
+            }
+        }
+    }
+}
+
+sourceSets.main.resources {
+    srcDir 'src/generated/resources'
+}
+
+repositories {
+    mavenCentral()
+    maven {
+        url = "https://dvs1.progwml6.com/files/maven"
+    }
+}
+
+configurations {
+    embed
+    compile.extendsFrom(embed)
+}
+
+dependencies {
+    minecraft 'net.minecraftforge:forge:1.15.2-31.1.19'
+    embed "org.jgrapht:jgrapht-core:1.4.0"
+
+    compileOnly fg.deobf("mezz.jei:jei-1.15.2:6.0.0.2:api")
+    runtimeOnly fg.deobf("mezz.jei:jei-1.15.2:6.0.0.2")
+}
+
+// Example for how to get properties into the manifest for reading by the runtime..
+jar {
+    manifest {
+        attributes([
+                "Specification-Title"     : "prettypipes",
+                "Specification-Vendor"    : "Ellpeck",
+                "Specification-Version"   : "1", // We are version 1 of ourselves
+                "Implementation-Title"    : project.name,
+                "Implementation-Version"  : "${version}",
+                "Implementation-Vendor"   : "Ellpeck",
+                "Implementation-Timestamp": new Date().format("yyyy-MM-dd'T'HH:mm:ssZ")
+        ])
+    }
+    from configurations.embed.collect { it.isDirectory() ? it : zipTree(it) }
+}
+
+task deobfJar(type: Jar) {
+    from(sourceSets.main.output)
+    archiveName = "${baseName}-${version}-deobf.${extension}"
+}
+artifacts {
+    archives deobfJar
+}
+
+publishing {
+    publications {
+        mavenJava(MavenPublication) {
+            groupId project.group
+            artifactId project.archivesBaseName
+            version project.version
+            from components.java
+
+            artifact deobfJar {
+                classifier 'deobf'
+            }
+
+            pom.withXml {
+                def node = asNode()
+                if (node.dependencies.size() > 0)
+                    node.remove(node.dependencies)
+            }
+        }
+    }
+    repositories {
+        maven {
+            url "file://" + System.getenv("local_maven")
+        }
+    }
+}

gradle.properties

@@ -0,0 +1,4 @@
+# Sets default memory used for gradle commands. Can be overridden by user or command line properties.
+# This is required to provide enough memory for the Minecraft decompilation process.
+org.gradle.jvmargs=-Xmx3G
+org.gradle.daemon=false

gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,6 @@
+#Sun Oct 20 21:47:13 CEST 2019
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.9-all.zip

gradlew

@@ -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" "$@"

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

src/main/java/de/ellpeck/prettypipes/PrettyPipes.java

@@ -0,0 +1,17 @@
+package de.ellpeck.prettypipes;
+
+import net.minecraftforge.eventbus.api.IEventBus;
+import net.minecraftforge.fml.common.Mod;
+import net.minecraftforge.fml.javafmlmod.FMLJavaModLoadingContext;
+
+@Mod(PrettyPipes.ID)
+public final class PrettyPipes {
+
+    public static final String ID = "prettypipes";
+
+    public PrettyPipes() {
+        IEventBus bus = FMLJavaModLoadingContext.get().getModEventBus();
+        bus.addListener(Registry::setup);
+        bus.addListener(Registry::setupClient);
+    }
+}

src/main/java/de/ellpeck/prettypipes/Registry.java

@@ -0,0 +1,44 @@
+package de.ellpeck.prettypipes;
+
+import de.ellpeck.prettypipes.blocks.PipeBlock;
+import net.minecraft.block.Block;
+import net.minecraft.client.renderer.RenderType;
+import net.minecraft.client.renderer.RenderTypeLookup;
+import net.minecraft.item.BlockItem;
+import net.minecraft.item.Item;
+import net.minecraft.item.ItemGroup;
+import net.minecraftforge.event.RegistryEvent;
+import net.minecraftforge.eventbus.api.SubscribeEvent;
+import net.minecraftforge.fml.common.Mod;
+import net.minecraftforge.fml.common.Mod.EventBusSubscriber.Bus;
+import net.minecraftforge.fml.event.lifecycle.FMLClientSetupEvent;
+import net.minecraftforge.fml.event.lifecycle.FMLCommonSetupEvent;
+import net.minecraftforge.registries.ForgeRegistries;
+
+@Mod.EventBusSubscriber(bus = Bus.MOD)
+public final class Registry {
+
+    public static Block pipe;
+
+    @SubscribeEvent
+    public static void registerBlocks(RegistryEvent.Register<Block> event) {
+        event.getRegistry().registerAll(
+                pipe = new PipeBlock().setRegistryName("pipe")
+        );
+    }
+
+    @SubscribeEvent
+    public static void registerItems(RegistryEvent.Register<Item> event) {
+        ForgeRegistries.BLOCKS.getValues().stream()
+                .filter(b -> b.getRegistryName().getNamespace().equals(PrettyPipes.ID))
+                .forEach(b -> event.getRegistry().register(new BlockItem(b, new Item.Properties().group(ItemGroup.MISC)).setRegistryName(b.getRegistryName())));
+    }
+
+    public static void setup(FMLCommonSetupEvent event) {
+
+    }
+
+    public static void setupClient(FMLClientSetupEvent event) {
+        RenderTypeLookup.setRenderLayer(pipe, RenderType.cutout());
+    }
+}

src/main/java/de/ellpeck/prettypipes/blocks/PipeBlock.java

@@ -0,0 +1,125 @@
+package de.ellpeck.prettypipes.blocks;
+
+import com.google.common.collect.ImmutableMap;
+import net.minecraft.block.Block;
+import net.minecraft.block.BlockRenderType;
+import net.minecraft.block.BlockState;
+import net.minecraft.block.SoundType;
+import net.minecraft.block.material.Material;
+import net.minecraft.item.BlockItemUseContext;
+import net.minecraft.state.BooleanProperty;
+import net.minecraft.state.EnumProperty;
+import net.minecraft.state.StateContainer;
+import net.minecraft.util.Direction;
+import net.minecraft.util.IStringSerializable;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.shapes.ISelectionContext;
+import net.minecraft.util.math.shapes.VoxelShape;
+import net.minecraft.util.math.shapes.VoxelShapes;
+import net.minecraft.world.IBlockReader;
+import net.minecraft.world.World;
+
+import javax.annotation.Nullable;
+import java.util.HashMap;
+import java.util.Locale;
+import java.util.Map;
+
+public class PipeBlock extends Block {
+
+    public static final Map<Direction, EnumProperty<ConnectionType>> DIRECTIONS = new HashMap<>();
+    private static final Map<BlockState, VoxelShape> SHAPE_CACHE = new HashMap<>();
+    private static final VoxelShape CENTER_SHAPE = makeCuboidShape(5, 5, 5, 11, 11, 11);
+    private static final Map<Direction, VoxelShape> DIR_SHAPES = ImmutableMap.<Direction, VoxelShape>builder()
+            .put(Direction.UP, makeCuboidShape(5, 10, 5, 11, 16, 11))
+            .put(Direction.DOWN, makeCuboidShape(5, 0, 5, 11, 6, 11))
+            .put(Direction.NORTH, makeCuboidShape(5, 5, 0, 11, 11, 6))
+            .put(Direction.SOUTH, makeCuboidShape(5, 5, 10, 11, 11, 16))
+            .put(Direction.EAST, makeCuboidShape(10, 5, 5, 16, 11, 11))
+            .put(Direction.WEST, makeCuboidShape(0, 5, 5, 6, 11, 11))
+            .build();
+
+    static {
+        for (Direction dir : Direction.values())
+            DIRECTIONS.put(dir, EnumProperty.create(dir.getName(), ConnectionType.class));
+    }
+
+    public PipeBlock() {
+        super(Block.Properties.create(Material.ROCK).hardnessAndResistance(2).sound(SoundType.STONE).notSolid());
+
+        BlockState state = this.getDefaultState();
+        for (EnumProperty<ConnectionType> prop : DIRECTIONS.values())
+            state = state.with(prop, ConnectionType.DISCONNECTED);
+        this.setDefaultState(state);
+    }
+
+    @Override
+    protected void fillStateContainer(StateContainer.Builder<Block, BlockState> builder) {
+        builder.add(DIRECTIONS.values().toArray(new EnumProperty[0]));
+    }
+
+    @Override
+    public void neighborChanged(BlockState state, World worldIn, BlockPos pos, Block blockIn, BlockPos fromPos, boolean isMoving) {
+        BlockState newState = this.createState(worldIn, pos);
+        if (newState != state)
+            worldIn.setBlockState(pos, newState);
+    }
+
+    @Nullable
+    @Override
+    public BlockState getStateForPlacement(BlockItemUseContext context) {
+        return this.createState(context.getWorld(), context.getPos());
+    }
+
+    private BlockState createState(World world, BlockPos pos) {
+        BlockState state = this.getDefaultState();
+        for (Map.Entry<Direction, EnumProperty<ConnectionType>> entry : DIRECTIONS.entrySet()) {
+            BlockPos neighborPos = pos.offset(entry.getKey());
+            boolean canConnect = this.canConnect(world, neighborPos);
+            state = state.with(entry.getValue(), canConnect ? ConnectionType.CONNECTED : ConnectionType.DISCONNECTED);
+        }
+        return state;
+    }
+
+    private boolean canConnect(World world, BlockPos offset) {
+        if (!world.isBlockLoaded(offset))
+            return false;
+        BlockState state = world.getBlockState(offset);
+        return state.getBlock() == this;
+    }
+
+    @Override
+    public boolean isNormalCube(BlockState state, IBlockReader worldIn, BlockPos pos) {
+        return false;
+    }
+
+    @Override
+    public VoxelShape getShape(BlockState state, IBlockReader worldIn, BlockPos pos, ISelectionContext context) {
+        VoxelShape shape = SHAPE_CACHE.get(state);
+        if (shape != null)
+            return shape;
+
+        shape = CENTER_SHAPE;
+        for (Map.Entry<Direction, EnumProperty<ConnectionType>> entry : DIRECTIONS.entrySet()) {
+            if (state.get(entry.getValue()) == ConnectionType.CONNECTED)
+                shape = VoxelShapes.or(shape, DIR_SHAPES.get(entry.getKey()));
+        }
+        SHAPE_CACHE.put(state, shape);
+        return shape;
+    }
+
+    public enum ConnectionType implements IStringSerializable {
+        CONNECTED,
+        DISCONNECTED;
+
+        private final String name;
+
+        ConnectionType() {
+            this.name = this.name().toLowerCase(Locale.ROOT);
+        }
+
+        @Override
+        public String getName() {
+            return this.name;
+        }
+    }
+}

src/main/resources/META-INF/mods.toml

@@ -0,0 +1,32 @@
+# This is an example mods.toml file. It contains the data relating to the loading mods.
+# There are several mandatory fields (#mandatory), and many more that are optional (#optional).
+# The overall format is standard TOML format, v0.5.0.
+# Note that there are a couple of TOML lists in this file.
+# Find more information on toml format here:  https://github.com/toml-lang/toml
+# The name of the mod loader type to load - for regular FML @Mod mods it should be javafml
+modLoader="javafml" #mandatory
+# A version range to match for said mod loader - for regular FML @Mod it will be the forge version
+loaderVersion="[28,)" #mandatory (28 is current forge version)
+# A URL to refer people to when problems occur with this mod
+issueTrackerURL="https://github.com/Ellpeck/PrettyPipes" #optional
+# A list of mods - how many allowed here is determined by the individual mod loader
+[[mods]] #mandatory
+# The modid of the mod
+modId="prettypipes" #mandatory
+# The version number of the mod - there's a few well known ${} variables useable here or just hardcode it
+version="${version}" #mandatory
+ # A display name for the mod
+displayName="Pretty Pipes" #mandatory
+# A URL to query for updates for this mod. See the JSON update specification <here>
+#updateJSONURL="http://myurl.me/" #optional
+# A URL for the "homepage" for this mod, displayed in the mod UI
+#displayURL="http://example.com/" #optional
+# A file name (in the root of the mod JAR) containing a logo for display
+#logoFile="examplemod.png" #optional
+# A text field displayed in the mod UI
+credits="Commission for Violet" #optional
+# A text field displayed in the mod UI
+authors="Ellpeck" #optional
+# The description text for the mod (multi line!) (#mandatory)
+description='''
+wow pipes, how creative'''

src/main/resources/assets/prettypipes/blockstates/pipe.json

@@ -0,0 +1,62 @@
+{
+    "multipart": [
+        {
+            "apply": {
+                "model": "prettypipes:block/pipe_center"
+            }
+        },
+        {
+            "when": {
+                "north": "connected"
+            },
+            "apply": {
+                "model": "prettypipes:block/pipe_end"
+            }
+        },
+        {
+            "when": {
+                "south": "connected"
+            },
+            "apply": {
+                "model": "prettypipes:block/pipe_end",
+                "y": 180
+            }
+        },
+        {
+            "when": {
+                "east": "connected"
+            },
+            "apply": {
+                "model": "prettypipes:block/pipe_end",
+                "y": 90
+            }
+        },
+        {
+            "when": {
+                "west": "connected"
+            },
+            "apply": {
+                "model": "prettypipes:block/pipe_end",
+                "y": 270
+            }
+        },
+        {
+            "when": {
+                "down": "connected"
+            },
+            "apply": {
+                "model": "prettypipes:block/pipe_end",
+                "x": 90
+            }
+        },
+        {
+            "when": {
+                "up": "connected"
+            },
+            "apply": {
+                "model": "prettypipes:block/pipe_end",
+                "x": 270
+            }
+        }
+    ]
+}

src/main/resources/assets/prettypipes/models/block/pipe_center.json

@@ -0,0 +1,153 @@
+{
+	"credit": "Made with Blockbench",
+	"textures": {
+		"0": "prettypipes:block/pipe",
+		"particle": "prettypipes:block/pipe"
+	},
+	"elements": [
+		{
+			"from": [5, 5, 5],
+			"to": [6, 11, 6],
+			"faces": {
+				"north": {"uv": [0, 0, 1, 6], "texture": "#0"},
+				"east": {"uv": [0, 0, 1, 6], "texture": "#0"},
+				"south": {"uv": [0, 0, 1, 6], "texture": "#0"},
+				"west": {"uv": [0, 0, 1, 6], "texture": "#0"},
+				"up": {"uv": [0, 0, 1, 1], "texture": "#0"},
+				"down": {"uv": [0, 0, 1, 1], "texture": "#0"}
+			}
+		},
+		{
+			"from": [5, 5, 10],
+			"to": [6, 11, 11],
+			"faces": {
+				"north": {"uv": [0, 0, 1, 6], "texture": "#0"},
+				"east": {"uv": [0, 0, 1, 6], "texture": "#0"},
+				"south": {"uv": [0, 0, 1, 6], "texture": "#0"},
+				"west": {"uv": [0, 0, 1, 6], "texture": "#0"},
+				"up": {"uv": [0, 0, 1, 1], "texture": "#0"},
+				"down": {"uv": [0, 0, 1, 1], "texture": "#0"}
+			}
+		},
+		{
+			"from": [10, 5, 10],
+			"to": [11, 11, 11],
+			"faces": {
+				"north": {"uv": [0, 0, 1, 6], "texture": "#0"},
+				"east": {"uv": [0, 0, 1, 6], "texture": "#0"},
+				"south": {"uv": [0, 0, 1, 6], "texture": "#0"},
+				"west": {"uv": [0, 0, 1, 6], "texture": "#0"},
+				"up": {"uv": [0, 0, 1, 1], "texture": "#0"},
+				"down": {"uv": [0, 0, 1, 1], "texture": "#0"}
+			}
+		},
+		{
+			"from": [10, 5, 5],
+			"to": [11, 11, 6],
+			"faces": {
+				"north": {"uv": [0, 0, 1, 6], "texture": "#0"},
+				"east": {"uv": [0, 0, 1, 6], "texture": "#0"},
+				"south": {"uv": [0, 0, 1, 6], "texture": "#0"},
+				"west": {"uv": [0, 0, 1, 6], "texture": "#0"},
+				"up": {"uv": [0, 0, 1, 1], "texture": "#0"},
+				"down": {"uv": [0, 0, 1, 1], "texture": "#0"}
+			}
+		},
+		{
+			"from": [6, 10, 10],
+			"to": [10, 11, 11],
+			"faces": {
+				"north": {"uv": [0, 0, 4, 1], "texture": "#0"},
+				"east": {"uv": [0, 0, 1, 1], "texture": "#0"},
+				"south": {"uv": [0, 0, 4, 1], "texture": "#0"},
+				"west": {"uv": [0, 0, 1, 1], "texture": "#0"},
+				"up": {"uv": [0, 0, 4, 1], "texture": "#0"},
+				"down": {"uv": [0, 0, 4, 1], "texture": "#0"}
+			}
+		},
+		{
+			"from": [6, 5, 10],
+			"to": [10, 6, 11],
+			"faces": {
+				"north": {"uv": [0, 0, 4, 1], "texture": "#0"},
+				"east": {"uv": [0, 0, 1, 1], "texture": "#0"},
+				"south": {"uv": [0, 0, 4, 1], "texture": "#0"},
+				"west": {"uv": [0, 0, 1, 1], "texture": "#0"},
+				"up": {"uv": [0, 0, 4, 1], "texture": "#0"},
+				"down": {"uv": [0, 0, 4, 1], "texture": "#0"}
+			}
+		},
+		{
+			"from": [6, 5, 5],
+			"to": [10, 6, 6],
+			"faces": {
+				"north": {"uv": [0, 0, 4, 1], "texture": "#0"},
+				"east": {"uv": [0, 0, 1, 1], "texture": "#0"},
+				"south": {"uv": [0, 0, 4, 1], "texture": "#0"},
+				"west": {"uv": [0, 0, 1, 1], "texture": "#0"},
+				"up": {"uv": [0, 0, 4, 1], "texture": "#0"},
+				"down": {"uv": [0, 0, 4, 1], "texture": "#0"}
+			}
+		},
+		{
+			"from": [5, 5, 6],
+			"to": [6, 6, 10],
+			"faces": {
+				"north": {"uv": [0, 0, 1, 1], "texture": "#0"},
+				"east": {"uv": [0, 0, 4, 1], "texture": "#0"},
+				"south": {"uv": [0, 0, 1, 1], "texture": "#0"},
+				"west": {"uv": [0, 0, 4, 1], "texture": "#0"},
+				"up": {"uv": [0, 0, 1, 4], "texture": "#0"},
+				"down": {"uv": [0, 0, 1, 4], "texture": "#0"}
+			}
+		},
+		{
+			"from": [5, 10, 6],
+			"to": [6, 11, 10],
+			"faces": {
+				"north": {"uv": [0, 0, 1, 1], "texture": "#0"},
+				"east": {"uv": [0, 0, 4, 1], "texture": "#0"},
+				"south": {"uv": [0, 0, 1, 1], "texture": "#0"},
+				"west": {"uv": [0, 0, 4, 1], "texture": "#0"},
+				"up": {"uv": [0, 0, 1, 4], "texture": "#0"},
+				"down": {"uv": [0, 0, 1, 4], "texture": "#0"}
+			}
+		},
+		{
+			"from": [10, 10, 6],
+			"to": [11, 11, 10],
+			"faces": {
+				"north": {"uv": [0, 0, 1, 1], "texture": "#0"},
+				"east": {"uv": [0, 0, 4, 1], "texture": "#0"},
+				"south": {"uv": [0, 0, 1, 1], "texture": "#0"},
+				"west": {"uv": [0, 0, 4, 1], "texture": "#0"},
+				"up": {"uv": [0, 0, 1, 4], "texture": "#0"},
+				"down": {"uv": [0, 0, 1, 4], "texture": "#0"}
+			}
+		},
+		{
+			"from": [10, 5, 6],
+			"to": [11, 6, 10],
+			"faces": {
+				"north": {"uv": [0, 0, 1, 1], "texture": "#0"},
+				"east": {"uv": [0, 0, 4, 1], "texture": "#0"},
+				"south": {"uv": [0, 0, 1, 1], "texture": "#0"},
+				"west": {"uv": [0, 0, 4, 1], "texture": "#0"},
+				"up": {"uv": [0, 0, 1, 4], "texture": "#0"},
+				"down": {"uv": [0, 0, 1, 4], "texture": "#0"}
+			}
+		},
+		{
+			"from": [6, 10, 5],
+			"to": [10, 11, 6],
+			"faces": {
+				"north": {"uv": [0, 0, 4, 1], "texture": "#0"},
+				"east": {"uv": [0, 0, 1, 1], "texture": "#0"},
+				"south": {"uv": [0, 0, 4, 1], "texture": "#0"},
+				"west": {"uv": [0, 0, 1, 1], "texture": "#0"},
+				"up": {"uv": [0, 0, 4, 1], "texture": "#0"},
+				"down": {"uv": [0, 0, 4, 1], "texture": "#0"}
+			}
+		}
+	]
+}

src/main/resources/assets/prettypipes/models/block/pipe_end.json

@@ -0,0 +1,57 @@
+{
+	"credit": "Made with Blockbench",
+	"textures": {
+		"0": "prettypipes:block/pipe",
+		"particle": "prettypipes:block/pipe"
+	},
+	"elements": [
+		{
+			"from": [5, 10, 0],
+			"to": [6, 11, 5],
+			"faces": {
+				"north": {"uv": [0, 0, 1, 1], "texture": "#0"},
+				"east": {"uv": [0, 0, 5, 1], "texture": "#0"},
+				"south": {"uv": [0, 0, 1, 1], "texture": "#0"},
+				"west": {"uv": [0, 0, 5, 1], "texture": "#0"},
+				"up": {"uv": [0, 0, 5, 1], "rotation": 90, "texture": "#0"},
+				"down": {"uv": [0, 0, 5, 1], "rotation": 270, "texture": "#0"}
+			}
+		},
+		{
+			"from": [5, 5, 0],
+			"to": [6, 6, 5],
+			"faces": {
+				"north": {"uv": [0, 0, 1, 1], "texture": "#0"},
+				"east": {"uv": [0, 0, 5, 1], "texture": "#0"},
+				"south": {"uv": [0, 0, 1, 1], "texture": "#0"},
+				"west": {"uv": [0, 0, 5, 1], "texture": "#0"},
+				"up": {"uv": [0, 0, 5, 1], "rotation": 90, "texture": "#0"},
+				"down": {"uv": [0, 0, 5, 1], "rotation": 270, "texture": "#0"}
+			}
+		},
+		{
+			"from": [10, 5, 0],
+			"to": [11, 6, 5],
+			"faces": {
+				"north": {"uv": [0, 0, 1, 1], "texture": "#0"},
+				"east": {"uv": [0, 0, 5, 1], "texture": "#0"},
+				"south": {"uv": [0, 0, 1, 1], "texture": "#0"},
+				"west": {"uv": [0, 0, 5, 1], "texture": "#0"},
+				"up": {"uv": [0, 0, 5, 1], "rotation": 90, "texture": "#0"},
+				"down": {"uv": [0, 0, 5, 1], "rotation": 270, "texture": "#0"}
+			}
+		},
+		{
+			"from": [10, 10, 0],
+			"to": [11, 11, 5],
+			"faces": {
+				"north": {"uv": [0, 0, 1, 1], "texture": "#0"},
+				"east": {"uv": [0, 0, 5, 1], "texture": "#0"},
+				"south": {"uv": [0, 0, 1, 1], "texture": "#0"},
+				"west": {"uv": [0, 0, 5, 1], "texture": "#0"},
+				"up": {"uv": [0, 0, 5, 1], "rotation": 90, "texture": "#0"},
+				"down": {"uv": [0, 0, 5, 1], "rotation": 270, "texture": "#0"}
+			}
+		}
+	]
+}

src/main/resources/assets/prettypipes/models/item/pipe.json

@@ -0,0 +1,3 @@
+{
+    "parent": "prettypipes:block/pipe_center"
+}

src/main/resources/pack.mcmeta

@@ -0,0 +1,7 @@
+{
+    "pack": {
+        "description": "Pretty Pipes",
+        "pack_format": 4,
+        "_comment": "A pack_format of 4 requires json lang files. Note: we require v4 pack meta for all mods."
+    }
+}