Add Poster

CHANGELOG.md

@@ -1,4 +1,13 @@
 # Changelog
 
+**1.0.3**
+* Remove ``main_arm`` And ``off_arm``
+
+**1.0.2**
+* Add Eating Animation
+
+**1.0.1**
+* Average Skin Color In Default Leather Armor
+
 **1.0.0**
 * Initial Release

FILE_FORMAT.md

@@ -5,6 +5,7 @@
 - In ideal conditions emotes run at 20FPS
 - All frames are made up of part rotations separated by spaces
 - Parts can only be specified once in a frame
+- If a line is ``maintain``, it will copy the previous frame
 
 ## Part Rotation Format
 ```
@@ -16,7 +17,4 @@
 - ``right_leg``
 - ``left_arm``
 - ``right_arm``
-- ``main_arm``
-- ``off_arm``
-- ``body``
-- ``left_arm``/``right_arm`` is not compatible with ``main_arm``/``off_arm``
+- ``body``

README.md

@@ -1,6 +1,12 @@
+![Poster](images/poster.png)
+
 # Gestus
 A server-side mod that adds data-driven emotes to Minecraft that can be viewed by vanilla clients.
 
+- All Built-In Animations/Poses (Walking, Running, Shield Blocking) Are In ``gestus:builtin/`` And Can Be Overridden
+- ``/emote <emote> <players>`` Requires OP
+- ``/emote <emote>`` Can Be Run By All Players
+
 ## File Format
 [View File Format](FILE_FORMAT.md)
 

gradle.properties

@@ -6,11 +6,11 @@ org.gradle.jvmargs = -Xmx1G
     minecraft_version = 1.16.2
     curseforge_id = 401707
     simple_minecraft_version = 1.16.2
-    yarn_build = 1
+    yarn_build = 12
     fabric_loader_version = 0.9.0+build.204
 
 # Mod Properties
-    mod_version = 1.0.0
+    mod_version = 1.0.3
     maven_group = com.thebrokenrail
 
 # Dependencies

src/main/java/com/thebrokenrail/gestus/emote/Emote.java

@@ -11,16 +11,6 @@ import java.util.Map;
 public class Emote {
     public final EmoteFrame[] frames;
 
-    private static int getArmMode(EmotePart part) {
-        if (part == EmotePart.LEFT_ARM || part == EmotePart.RIGHT_ARM) {
-            return 1;
-        } else if (part == EmotePart.MAIN_ARM || part == EmotePart.OFF_ARM) {
-            return 2;
-        } else {
-            return 0;
-        }
-    }
-
     public Emote(String[] lines) throws EmoteSyntaxException {
         List<EmoteFrame> list = new ArrayList<>();
 
@@ -29,11 +19,13 @@ public class Emote {
         for (int lineNum = 0; lineNum < lines.length; lineNum++) {
             String line = lines[lineNum].trim();
 
-            if (line.equals("maintain") && list.size() > 0) {
-                list.add(list.get(list.size() - 1));
+            if (line.equals("maintain")) {
+                if (list.size() > 0) {
+                    list.add(list.get(list.size() - 1));
+                } else {
+                    throw new EmoteSyntaxException(lineNum, "No Previous Frame");
+                }
             } else if (!line.startsWith("#")) {
-                int armMode = 0;
-
                 Map<EmotePart, EulerAngle> map = new HashMap<>();
 
                 String[] lineParts = line.split(" ");
@@ -55,13 +47,6 @@ public class Emote {
                         throw new EmoteSyntaxException(lineNum, "Invalid Emote Part: " + linePart);
                     } else if (map.containsKey(selectedPart)) {
                         throw new EmoteSyntaxException(lineNum, "Duplicate Emote Part: " + linePart);
-                    } else if (armMode == 0) {
-                        armMode = getArmMode(selectedPart);
-                    } else if (armMode > 0) {
-                        int newMode = getArmMode(selectedPart);
-                        if (newMode != 0 && newMode != armMode) {
-                            throw new EmoteSyntaxException(lineNum, "Conflicting Arm Modes");
-                        }
                     }
 
                     try {
@@ -70,7 +55,7 @@ public class Emote {
                         String rollStr = lineParts[++i];
 
                         float yaw = Float.parseFloat(yawStr);
-                        float pitch = -Float.parseFloat(pitchStr);
+                        float pitch = Float.parseFloat(pitchStr);
                         float roll = Float.parseFloat(rollStr);
 
                         map.put(selectedPart, new EulerAngle(pitch, yaw, roll));

src/main/java/com/thebrokenrail/gestus/emote/EmoteFrame.java

@@ -6,32 +6,19 @@ import java.util.HashMap;
 import java.util.Map;
 
 public class EmoteFrame {
-    public final Map<EmotePart, EulerAngle> rightHanded;
-    public final Map<EmotePart, EulerAngle> leftHanded;
+    public final Map<EmotePart, EulerAngle> normal;
+    public final Map<EmotePart, EulerAngle> mirrored;
 
     public EmoteFrame(Map<EmotePart, EulerAngle> data) {
-        rightHanded = resolve(data, false);
-        leftHanded = resolve(data, true);
+        normal = data;
+        mirrored = mirror(data);
     }
 
-    private static Map<EmotePart, EulerAngle> resolve(Map<EmotePart, EulerAngle> data, boolean leftHanded) {
+    private static Map<EmotePart, EulerAngle> mirror(Map<EmotePart, EulerAngle> data) {
         Map<EmotePart, EulerAngle> result = new HashMap<>();
         for (Map.Entry<EmotePart, EulerAngle> entry : data.entrySet()) {
-            if (entry.getKey() == EmotePart.MAIN_ARM) {
-                if (leftHanded) {
-                    result.put(EmotePart.LEFT_ARM, new EulerAngle(entry.getValue().getPitch(), -entry.getValue().getYaw(), -entry.getValue().getRoll()));
-                } else {
-                    result.put(EmotePart.RIGHT_ARM, entry.getValue());
-                }
-            } else if (entry.getKey() == EmotePart.OFF_ARM) {
-                if (leftHanded) {
-                    result.put(EmotePart.RIGHT_ARM, new EulerAngle(entry.getValue().getPitch(), -entry.getValue().getYaw(), -entry.getValue().getRoll()));
-                } else {
-                    result.put(EmotePart.LEFT_ARM, entry.getValue());
-                }
-            } else {
-                result.put(entry.getKey(), entry.getValue());
-            }
+            EmotePart newPart = entry.getKey().mirror();
+            result.put(newPart, new EulerAngle(entry.getValue().getPitch(), -entry.getValue().getYaw(), -entry.getValue().getRoll()));
         }
         return result;
     }

src/main/java/com/thebrokenrail/gestus/emote/EmoteLayer.java

@@ -12,7 +12,7 @@ public class EmoteLayer {
     private Identifier current;
     private final boolean loop;
 
-    private boolean leftHanded = false;
+    private boolean mirrored = false;
 
     public EmoteLayer(Identifier start, boolean loop) {
         current = start;
@@ -23,10 +23,10 @@ public class EmoteLayer {
         return current;
     }
 
-    public void play(Identifier current, boolean leftHanded) {
-        if (!Objects.equals(this.current, current) || this.leftHanded != leftHanded) {
+    public void play(Identifier current, boolean mirrored) {
+        if (!Objects.equals(this.current, current) || this.mirrored != mirrored) {
             this.current = current;
-            this.leftHanded = leftHanded;
+            this.mirrored = mirrored;
             frame = 0;
         }
     }
@@ -35,8 +35,8 @@ public class EmoteLayer {
         return current != null;
     }
 
-    public boolean isLeftHanded() {
-        return leftHanded;
+    public boolean isMirrored() {
+        return mirrored;
     }
 
     public Map<EmotePart, EulerAngle> next() {
@@ -53,7 +53,7 @@ public class EmoteLayer {
                         current = null;
                     }
                 }
-                return leftHanded ? result.leftHanded : result.rightHanded;
+                return mirrored ? result.mirrored : result.normal;
             }
         }
         frame = 0;

src/main/java/com/thebrokenrail/gestus/emote/EmotePart.java

@@ -1,13 +1,36 @@
 package com.thebrokenrail.gestus.emote;
 
 public enum EmotePart {
-    MAIN_ARM("main_arm"),
-    OFF_ARM("off_arm"),
-    RIGHT_ARM("right_arm"),
-    LEFT_ARM("left_arm"),
-    RIGHT_LEG("right_leg"),
-    LEFT_LEG("left_leg"),
-    BODY("body");
+    RIGHT_ARM("right_arm") {
+        @Override
+        public EmotePart mirror() {
+            return LEFT_ARM;
+        }
+    },
+    LEFT_ARM("left_arm") {
+        @Override
+        public EmotePart mirror() {
+            return RIGHT_ARM;
+        }
+    },
+    RIGHT_LEG("right_leg") {
+        @Override
+        public EmotePart mirror() {
+            return LEFT_LEG;
+        }
+    },
+    LEFT_LEG("left_leg") {
+        @Override
+        public EmotePart mirror() {
+            return RIGHT_LEG;
+        }
+    },
+    BODY("body") {
+        @Override
+        public EmotePart mirror() {
+            return BODY;
+        }
+    };
 
     private final String name;
 
@@ -18,4 +41,6 @@ public enum EmotePart {
     public String getName() {
         return name;
     }
+
+    public abstract EmotePart mirror();
 }

src/main/java/com/thebrokenrail/gestus/entity/FakePlayerEntity.java

@@ -4,19 +4,24 @@ import com.thebrokenrail.gestus.Gestus;
 import com.thebrokenrail.gestus.emote.EmoteLayer;
 import com.thebrokenrail.gestus.emote.EmotePart;
 import com.thebrokenrail.gestus.mixin.ArmorStandEntityAccessor;
+import com.thebrokenrail.gestus.skin.SkinColor;
 import com.thebrokenrail.gestus.util.ServerPlayerEntityExtension;
 import net.minecraft.entity.EntityType;
 import net.minecraft.entity.EquipmentSlot;
 import net.minecraft.entity.damage.DamageSource;
 import net.minecraft.entity.data.TrackedData;
 import net.minecraft.entity.decoration.ArmorStandEntity;
+import net.minecraft.entity.player.PlayerEntity;
 import net.minecraft.item.CrossbowItem;
+import net.minecraft.item.DyeableItem;
+import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
 import net.minecraft.item.Items;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.server.network.ServerPlayerEntity;
 import net.minecraft.text.LiteralText;
 import net.minecraft.text.Text;
+import net.minecraft.util.ActionResult;
 import net.minecraft.util.Arm;
 import net.minecraft.util.Hand;
 import net.minecraft.util.Identifier;
@@ -44,8 +49,9 @@ public class FakePlayerEntity extends ArmorStandEntity {
     private static final Identifier HIT_EMOTE = new Identifier(Gestus.NAMESPACE, "builtin/hit"); // Hit Layer
 
     private static final Identifier AIM_EMOTE = new Identifier(Gestus.NAMESPACE, "builtin/aim"); // Aim Layer
-    private static final Identifier TRIDENT_EMOTE = new Identifier(Gestus.NAMESPACE, "builtin/trident"); // Aim Layer
     private static final Identifier SHIELD_EMOTE = new Identifier(Gestus.NAMESPACE, "builtin/shield"); // Aim Layer
+    private static final Identifier TRIDENT_EMOTE = new Identifier(Gestus.NAMESPACE, "builtin/trident"); // Aim Layer
+    private static final Identifier EAT_EMOTE = new Identifier(Gestus.NAMESPACE, "builtin/eat"); // Aim Layer
 
     public final ServerPlayerEntity player;
 
@@ -172,21 +178,26 @@ public class FakePlayerEntity extends ArmorStandEntity {
                     emote = TRIDENT_EMOTE;
                     break;
                 }
+                case EAT:
+                case DRINK: {
+                    emote = EAT_EMOTE;
+                    break;
+                }
             }
         }
 
         if (emote != null) {
             layers[AIM_LAYER].play(emote, (hand == Hand.OFF_HAND) != isLeftHanded());
-            return true;
-        } else {
             return false;
+        } else {
+            return true;
         }
     }
 
     private void updateAim() {
         Hand hand = player.getActiveHand();
-        if (!updateAim(hand, true)) {
-            updateAim(hand == Hand.MAIN_HAND ? Hand.OFF_HAND : Hand.MAIN_HAND, false);
+        if (updateAim(hand, true) && updateAim(hand == Hand.MAIN_HAND ? Hand.OFF_HAND : Hand.MAIN_HAND, false)) {
+            layers[AIM_LAYER].play(null, false);
         }
     }
 
@@ -202,6 +213,25 @@ public class FakePlayerEntity extends ArmorStandEntity {
         }
     }
 
+    private SkinColor skinColor = null;
+
+    private void updateSkinColor() {
+        if (skinColor == null) {
+            skinColor = SkinColor.get(player.getUuid());
+            if (skinColor == null) {
+                skinColor = SkinColor.blank();
+            }
+        }
+    }
+
+    private ItemStack colorItem(Item item, int color) {
+        ItemStack stack = new ItemStack(item);
+        if (color != -1) {
+            ((DyeableItem) item).setColor(stack, color);
+        }
+        return stack;
+    }
+
     private ItemStack getFallbackItem(EquipmentSlot slot, ItemStack stack, boolean invisible) {
         if (stack.isEmpty() && !invisible) {
             switch (slot) {
@@ -210,13 +240,16 @@ public class FakePlayerEntity extends ArmorStandEntity {
                     return head;
                 }
                 case CHEST: {
-                    return new ItemStack(Items.LEATHER_CHESTPLATE);
+                    updateSkinColor();
+                    return colorItem(Items.LEATHER_CHESTPLATE, skinColor.chest);
                 }
                 case LEGS: {
-                    return new ItemStack(Items.LEATHER_LEGGINGS);
+                    updateSkinColor();
+                    return colorItem(Items.LEATHER_LEGGINGS, skinColor.legs);
                 }
                 case FEET: {
-                    return new ItemStack(Items.LEATHER_BOOTS);
+                    updateSkinColor();
+                    return colorItem(Items.LEATHER_BOOTS, skinColor.boots);
                 }
                 default: {
                     return ItemStack.EMPTY;
@@ -233,7 +266,7 @@ public class FakePlayerEntity extends ArmorStandEntity {
 
     private void updateEquipment() {
         for (EquipmentSlot slot : EquipmentSlot.values()) {
-            ItemStack target = getFallbackItem(slot, player.getEquippedStack(slot).copy(), isInvisible());
+            ItemStack target = getFallbackItem(slot, player.getEquippedStack(slot).copy(), isInvisible()).copy();
             if (!getEquippedStack(slot).isItemEqual(target)) {
                 equipStack(slot, target);
             }
@@ -268,4 +301,14 @@ public class FakePlayerEntity extends ArmorStandEntity {
     public boolean damage(DamageSource source, float amount) {
         return player.damage(source, amount);
     }
+
+    @Override
+    public ActionResult interactAt(PlayerEntity player, Vec3d hitPos, Hand hand) {
+        return ActionResult.PASS;
+    }
+
+    @Override
+    public ActionResult interact(PlayerEntity player, Hand hand) {
+        return ActionResult.PASS;
+    }
 }

src/main/java/com/thebrokenrail/gestus/mixin/EntityEquipmentUpdateS2CPacketAccessor.java

@@ -0,0 +1,24 @@
+package com.thebrokenrail.gestus.mixin;
+
+import com.mojang.datafixers.util.Pair;
+import net.minecraft.entity.EquipmentSlot;
+import net.minecraft.item.ItemStack;
+import net.minecraft.network.packet.s2c.play.EntityEquipmentUpdateS2CPacket;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Mutable;
+import org.spongepowered.asm.mixin.gen.Accessor;
+
+import java.util.List;
+
+@Mixin(EntityEquipmentUpdateS2CPacket.class)
+public interface EntityEquipmentUpdateS2CPacketAccessor {
+    @Accessor
+    int getId();
+
+    @Accessor
+    List<Pair<EquipmentSlot, ItemStack>> getEquipmentList();
+
+    @Mutable
+    @Accessor
+    void setEquipmentList(List<Pair<EquipmentSlot, ItemStack>> equipmentList);
+}

src/main/java/com/thebrokenrail/gestus/mixin/MixinEntityTrackerEntry.java

@@ -1,27 +0,0 @@
-package com.thebrokenrail.gestus.mixin;
-
-import com.mojang.datafixers.util.Pair;
-import com.thebrokenrail.gestus.util.Util;
-import net.minecraft.entity.Entity;
-import net.minecraft.entity.EquipmentSlot;
-import net.minecraft.item.ItemStack;
-import net.minecraft.server.network.EntityTrackerEntry;
-import org.spongepowered.asm.mixin.Final;
-import org.spongepowered.asm.mixin.Mixin;
-import org.spongepowered.asm.mixin.Shadow;
-import org.spongepowered.asm.mixin.injection.At;
-import org.spongepowered.asm.mixin.injection.ModifyArg;
-
-import java.util.List;
-
-@Mixin(EntityTrackerEntry.class)
-public class MixinEntityTrackerEntry {
-    @Shadow
-    @Final
-    private Entity entity;
-
-    @ModifyArg(at = @At(value = "INVOKE", target = "Lnet/minecraft/network/packet/s2c/play/EntityEquipmentUpdateS2CPacket;<init>(ILjava/util/List;)V"), method = "*", index = 1)
-    public List<Pair<EquipmentSlot, ItemStack>> modifyEquipment(List<Pair<EquipmentSlot, ItemStack>> list) {
-        return Util.modifyEquipment(entity, list);
-    }
-}

src/main/java/com/thebrokenrail/gestus/mixin/MixinLivingEntity.java

@@ -1,20 +0,0 @@
-package com.thebrokenrail.gestus.mixin;
-
-import com.mojang.datafixers.util.Pair;
-import com.thebrokenrail.gestus.util.Util;
-import net.minecraft.entity.EquipmentSlot;
-import net.minecraft.entity.LivingEntity;
-import net.minecraft.item.ItemStack;
-import org.spongepowered.asm.mixin.Mixin;
-import org.spongepowered.asm.mixin.injection.At;
-import org.spongepowered.asm.mixin.injection.ModifyArg;
-
-import java.util.List;
-
-@Mixin(LivingEntity.class)
-public class MixinLivingEntity {
-    @ModifyArg(at = @At(value = "INVOKE", target = "Lnet/minecraft/network/packet/s2c/play/EntityEquipmentUpdateS2CPacket;<init>(ILjava/util/List;)V"), method = "*", index = 1)
-    public List<Pair<EquipmentSlot, ItemStack>> modifyEquipment(List<Pair<EquipmentSlot, ItemStack>> list) {
-        return Util.modifyEquipment((LivingEntity) (Object) this, list);
-    }
-}

src/main/java/com/thebrokenrail/gestus/mixin/MixinServerPlayNetworkHandler.java

@@ -5,13 +5,16 @@ import com.thebrokenrail.gestus.util.Util;
 import io.netty.util.concurrent.Future;
 import io.netty.util.concurrent.GenericFutureListener;
 import net.minecraft.entity.Entity;
+import net.minecraft.entity.player.PlayerEntity;
 import net.minecraft.network.Packet;
+import net.minecraft.network.packet.s2c.play.EntityEquipmentUpdateS2CPacket;
 import net.minecraft.network.packet.s2c.play.EntityTrackerUpdateS2CPacket;
 import net.minecraft.network.packet.s2c.play.MobSpawnS2CPacket;
 import net.minecraft.server.network.ServerPlayNetworkHandler;
 import net.minecraft.server.network.ServerPlayerEntity;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.Unique;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.ModifyVariable;
@@ -33,10 +36,17 @@ public class MixinServerPlayNetworkHandler {
         }
     }
 
+    @Unique
+    private boolean shouldModify(int id) {
+        return player.getEntityWorld().getEntityById(id) instanceof PlayerEntity && id != player.getEntityId();
+    }
+
     @ModifyVariable(at = @At("HEAD"), method = "sendPacket(Lnet/minecraft/network/Packet;Lio/netty/util/concurrent/GenericFutureListener;)V", argsOnly = true)
     public Packet<?> modifyPacket(Packet<?> packet) {
-        if (packet instanceof EntityTrackerUpdateS2CPacket && ((EntityTrackerUpdateS2CPacketAccessor) packet).getId() == player.getEntityId()) {
+        if (packet instanceof EntityTrackerUpdateS2CPacket && shouldModify(((EntityTrackerUpdateS2CPacketAccessor) packet).getId())) {
             return Util.modifyTracker(player, (EntityTrackerUpdateS2CPacket) packet);
+        } else if (packet instanceof EntityEquipmentUpdateS2CPacket && shouldModify(((EntityEquipmentUpdateS2CPacketAccessor) packet).getId())) {
+            return Util.modifyEquipment((EntityEquipmentUpdateS2CPacket) packet);
         } else {
             return packet;
         }

src/main/java/com/thebrokenrail/gestus/mixin/MixinServerPlayerEntity.java

@@ -4,7 +4,6 @@ import com.mojang.authlib.GameProfile;
 import com.thebrokenrail.gestus.Gestus;
 import com.thebrokenrail.gestus.entity.FakePlayerEntity;
 import com.thebrokenrail.gestus.util.ServerPlayerEntityExtension;
-import net.minecraft.entity.effect.StatusEffects;
 import net.minecraft.entity.player.PlayerEntity;
 import net.minecraft.server.network.ServerPlayerEntity;
 import net.minecraft.util.Hand;
@@ -18,6 +17,8 @@ import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 
+import java.util.Objects;
+
 @Mixin(ServerPlayerEntity.class)
 public abstract class MixinServerPlayerEntity extends PlayerEntity implements ServerPlayerEntityExtension {
     @Unique
@@ -40,17 +41,23 @@ public abstract class MixinServerPlayerEntity extends PlayerEntity implements Se
             spawn = true;
         }
 
-        boolean invisible = hasStatusEffect(StatusEffects.INVISIBILITY);
-        boolean glowing = hasStatusEffect(StatusEffects.GLOWING);
+        boolean invisible = isInvisible();
 
         shadow.setInvisible(invisible);
-        shadow.setGlowing(glowing);
+        shadow.setGlowing(isGlowing());
 
         shadow.setWorld(getEntityWorld());
         shadow.refreshPositionAndAngles(getX(), getY(), getZ(), yaw, pitch);
 
         shadow.setHeadRotation(new EulerAngle(pitch, getHeadYaw() - yaw, 0f));
-        shadow.setVelocity(getVelocity());
+
+        Vec3d olVVelocity = shadow.getVelocity();
+        Vec3d velocity = getVelocity();
+        if (!Objects.equals(olVVelocity, velocity)) {
+            shadow.setVelocity(velocity);
+            shadow.velocityDirty = true;
+            shadow.velocityModified = true;
+        }
 
         shadow.setCustomNameVisible(!invisible && !isSneaking());
 
@@ -66,8 +73,6 @@ public abstract class MixinServerPlayerEntity extends PlayerEntity implements Se
 
     @Inject(at = @At("HEAD"), method = "tick")
     public void tick(CallbackInfo info) {
-        setInvisible(true);
-        setGlowing(false);
         updateShadow();
         lastPos = getPos();
     }

src/main/java/com/thebrokenrail/gestus/skin/SkinColor.java

@@ -0,0 +1,116 @@
+package com.thebrokenrail.gestus.skin;
+
+import javax.imageio.ImageIO;
+import java.awt.image.BufferedImage;
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.UUID;
+
+public final class SkinColor {
+    public final int chest;
+    public final int legs;
+    public final int boots;
+
+    private SkinColor(int chest, int legs, int boots) {
+        this.chest = chest;
+        this.legs = legs;
+        this.boots = boots;
+    }
+
+    private static class Color {
+        private final int data;
+
+        private Color(int data) {
+            this.data = data;
+        }
+
+        private Color(int red, int green, int blue) {
+            data = 255 << 24 | (red & 255) << 16 | (green & 255) << 8 | (blue & 255);
+        }
+
+        private Color(long red, long green, long blue) {
+            this((int) red, (int) green, (int) blue);
+        }
+
+        public int getRed() {
+            return data >> 16 & 255;
+        }
+
+        public int getGreen() {
+            return data >> 8 & 255;
+        }
+
+        public int getBlue() {
+            return data & 255;
+        }
+
+        public int getData() {
+            return (getRed() << 16) | (getGreen() << 8) | getBlue();
+        }
+    }
+
+    private static Color averageColor(BufferedImage image, int x0, int y0, int w, int h) {
+        int x1 = x0 + w;
+        int y1 = y0 + h;
+
+        long sumRed = 0;
+        long sumGreen = 0;
+        long sumBlue = 0;
+
+        int num = 0;
+
+        for (int x = x0; x < x1; x++) {
+            for (int y = y0; y < y1; y++) {
+                int data = image.getRGB(x, y);
+                if ((data >> 24 & 255) == 255) {
+                    Color pixel = new Color(data);
+                    sumRed += pixel.getRed();
+                    sumGreen += pixel.getGreen();
+                    sumBlue += pixel.getBlue();
+                    num++;
+                }
+            }
+        }
+
+        return new Color(sumRed / num, sumGreen / num, sumBlue / num);
+    }
+
+    private static Color averageColor(Color color1, Color color2) {
+        long sumRed = color1.getRed() + color2.getRed();
+        long sumGreen = color1.getGreen() + color2.getGreen();
+        long sumBlue = color1.getBlue() + color2.getBlue();
+        return new Color(sumRed / 2, sumGreen / 2, sumBlue / 2);
+    }
+
+    public static SkinColor get(UUID uuid) {
+        String skin = SkinJSON.get(uuid);
+        if (skin != null) {
+            URL url;
+            try {
+                url = new URL(skin);
+            } catch (MalformedURLException e) {
+                return null;
+            }
+
+            BufferedImage image;
+            try {
+                image = ImageIO.read(url);
+            } catch (IOException e) {
+                return null;
+            }
+
+            int chest = averageColor(image, 16, 20, 23, 11).getData();
+            int legs = averageColor(averageColor(image, 16, 52, 11, 11), averageColor(image, 0, 20, 11, 11)).getData();
+            int boots = averageColor(averageColor(image, 20, 48, 7, 3), averageColor(image, 44, 16, 7, 3)).getData();
+
+            return new SkinColor(chest, legs, boots);
+        } else {
+            return null;
+        }
+    }
+
+    public static SkinColor blank() {
+        return new SkinColor(-1, -1, -1);
+    }
+}

src/main/java/com/thebrokenrail/gestus/skin/SkinJSON.java

@@ -0,0 +1,99 @@
+package com.thebrokenrail.gestus.skin;
+
+import com.google.gson.Gson;
+import com.google.gson.JsonSyntaxException;
+import org.apache.logging.log4j.LogManager;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.net.URL;
+import java.util.Base64;
+import java.util.Map;
+import java.util.UUID;
+
+final class SkinJSON {
+    private static class Response {
+        public Property[] properties = null;
+    }
+
+    private static class Property {
+        public String name = null;
+        public String value = null;
+    }
+
+    private static class Data {
+        public Map<String, Texture> textures;
+    }
+
+    private static class Texture {
+        public String url = null;
+    }
+
+    private static String urlToString(String urlStr) {
+        try {
+            StringBuilder stringBuilder = new StringBuilder();
+            URL url = new URL(urlStr);
+
+            try (BufferedReader in = new BufferedReader(new InputStreamReader(url.openConnection().getInputStream()))) {
+                String line;
+                while ((line = in.readLine()) != null) {
+                    stringBuilder.append(line);
+                    stringBuilder.append('\n');
+                }
+            }
+
+            return stringBuilder.toString();
+        } catch (IOException e) {
+            return null;
+        }
+    }
+
+    static void error(String data) {
+        LogManager.getLogger("Gestus").error(data);
+    }
+
+    private static final String SKIN_TEXTURE_KEY = "SKIN";
+
+    static String get(UUID uuid) {
+        String url = String.format("https://sessionserver.mojang.com/session/minecraft/profile/%s", uuid.toString().replace("-", ""));
+        String data = urlToString(url);
+
+        if (data != null) {
+            try {
+                Gson gson = new Gson();
+                Response response = gson.fromJson(data, Response.class);
+
+                if (response != null && response.properties != null) {
+                    for (Property property : response.properties) {
+                        if ("textures".equals(property.name)) {
+                            try {
+                                String texturesJSON = new String(Base64.getDecoder().decode(property.value));
+                                Data textures = gson.fromJson(texturesJSON, Data.class);
+
+                                if (textures.textures.containsKey(SKIN_TEXTURE_KEY)) {
+                                    Texture skin = textures.textures.get(SKIN_TEXTURE_KEY);
+                                    return skin.url;
+                                }
+
+                                break;
+                            } catch (JsonSyntaxException e) {
+                                error("Unable To Parse Embedded Skin Metadata: " + uuid.toString());
+                                return null;
+                            }
+                        }
+                    }
+                }
+
+                error("Embedded Skin Metadata Is Invalid: " + uuid.toString());
+                return null;
+            } catch (JsonSyntaxException e) {
+                error("Unable To Parse Skin Metadata: " + uuid);
+                return null;
+            }
+        } else {
+            error("Unable To Download Skin Metadata: " + uuid);
+            return null;
+        }
+    }
+}

src/main/java/com/thebrokenrail/gestus/util/Util.java

@@ -2,30 +2,26 @@ package com.thebrokenrail.gestus.util;
 
 import com.mojang.datafixers.util.Pair;
 import com.thebrokenrail.gestus.mixin.EntityAccessor;
+import com.thebrokenrail.gestus.mixin.EntityEquipmentUpdateS2CPacketAccessor;
 import com.thebrokenrail.gestus.mixin.EntityTrackerUpdateS2CPacketAccessor;
-import net.minecraft.entity.Entity;
 import net.minecraft.entity.EquipmentSlot;
 import net.minecraft.entity.data.DataTracker;
 import net.minecraft.entity.data.TrackedData;
-import net.minecraft.entity.effect.StatusEffects;
 import net.minecraft.entity.player.PlayerEntity;
 import net.minecraft.item.ItemStack;
+import net.minecraft.network.packet.s2c.play.EntityEquipmentUpdateS2CPacket;
 import net.minecraft.network.packet.s2c.play.EntityTrackerUpdateS2CPacket;
 
 import java.util.ArrayList;
 import java.util.List;
 
 public class Util {
-    public static List<Pair<EquipmentSlot, ItemStack>> modifyEquipment(Entity entity, List<Pair<EquipmentSlot, ItemStack>> list) {
-        if (entity instanceof PlayerEntity) {
-            List<Pair<EquipmentSlot, ItemStack>> newList = new ArrayList<>();
-            for (EquipmentSlot slot : EquipmentSlot.values()) {
-                newList.add(Pair.of(slot, ItemStack.EMPTY));
-            }
-            return newList;
-        } else {
-            return list;
+    public static EntityEquipmentUpdateS2CPacket modifyEquipment(EntityEquipmentUpdateS2CPacket packet) {
+        List<Pair<EquipmentSlot, ItemStack>> newList = new ArrayList<>();
+        for (EquipmentSlot slot : EquipmentSlot.values()) {
+            newList.add(Pair.of(slot, ItemStack.EMPTY));
         }
+        return new EntityEquipmentUpdateS2CPacket(((EntityEquipmentUpdateS2CPacketAccessor) packet).getId(), newList);
     }
 
     private static final int INVISIBILITY_FLAG = 5;
@@ -48,8 +44,8 @@ public class Util {
         for (DataTracker.Entry<?> entry : entries) {
             if (entry.getData() == flags) {
                 byte data = (Byte) entry.get();
-                data = setFlag(data, INVISIBILITY_FLAG, entity.hasStatusEffect(StatusEffects.INVISIBILITY));
-                data = setFlag(data, GLOWING_FLAG, entity.hasStatusEffect(StatusEffects.GLOWING));
+                data = setFlag(data, INVISIBILITY_FLAG, true);
+                data = setFlag(data, GLOWING_FLAG, false);
                 newEntries.add(new DataTracker.Entry<>(flags, data));
             } else {
                 newEntries.add(entry);

src/main/resources/data/gestus/emotes/builtin/aim.emote

@@ -1 +1 @@
-main_arm 0 90 0 off_arm 40 90 0
+right_arm 0 -90 0 left_arm 40 -90 0

src/main/resources/data/gestus/emotes/builtin/eat.emote

@@ -0,0 +1,5 @@
+right_arm -51 -76 0
+right_arm -55 -80 0
+right_arm -59 -84 0
+right_arm -55 -80 0
+right_arm -51 -76 0

src/main/resources/data/gestus/emotes/builtin/hit.emote

@@ -1,9 +1,9 @@
-main_arm 0 0 0
-main_arm -8.5 17 0
-main_arm -17 34 0
-main_arm -25.5 51 0
-main_arm -34 68 0
-main_arm -25.5 51 0
-main_arm -17 34 0
-main_arm -8.5 17 0
-main_arm 0 0 0
+right_arm 0 0 0
+right_arm -8.5 -17 0
+right_arm -17 -34 0
+right_arm -25.5 -51 0
+right_arm -34 -68 0
+right_arm -25.5 -51 0
+right_arm -17 -34 0
+right_arm -8.5 -17 0
+right_arm 0 0 0

src/main/resources/data/gestus/emotes/builtin/ride.emote

@@ -1 +1 @@
-right_leg 24 71 0 left_leg -24 71 0
+right_leg 24 -71 0 left_leg -24 -71 0

src/main/resources/data/gestus/emotes/builtin/shield.emote

@@ -1 +1 @@
-main_arm -42 90 0
+right_arm -42 -90 0

src/main/resources/data/gestus/emotes/builtin/sprint.emote

@@ -1,13 +1,4 @@
 right_arm 0 0 0 left_arm 0 0 0 left_leg 0 0 0 right_leg 0 0 0
-right_arm 0 14 0 left_arm 0 -14 0 left_leg 0 14 0 right_leg 0 -14 0
-right_arm 0 28 0 left_arm 0 -28 0 left_leg 0 28 0 right_leg 0 -28 0
-right_arm 0 42 0 left_arm 0 -42 0 left_leg 0 42 0 right_leg 0 -42 0
-right_arm 0 56 0 left_arm 0 -56 0 left_leg 0 56 0 right_leg 0 -56 0
-right_arm 0 56 0 left_arm 0 -56 0 left_leg 0 56 0 right_leg 0 -56 0
-right_arm 0 42 0 left_arm 0 -42 0 left_leg 0 42 0 right_leg 0 -42 0
-right_arm 0 28 0 left_arm 0 -28 0 left_leg 0 28 0 right_leg 0 -28 0
-right_arm 0 14 0 left_arm 0 -14 0 left_leg 0 14 0 right_leg 0 -14 0
-right_arm 0 0 0 left_arm 0 0 0 left_leg 0 0 0 right_leg 0 0 0
 right_arm 0 -14 0 left_arm 0 14 0 left_leg 0 -14 0 right_leg 0 14 0
 right_arm 0 -28 0 left_arm 0 28 0 left_leg 0 -28 0 right_leg 0 28 0
 right_arm 0 -42 0 left_arm 0 42 0 left_leg 0 -42 0 right_leg 0 42 0
@@ -16,4 +7,13 @@ right_arm 0 -56 0 left_arm 0 56 0 left_leg 0 -56 0 right_leg 0 56 0
 right_arm 0 -42 0 left_arm 0 42 0 left_leg 0 -42 0 right_leg 0 42 0
 right_arm 0 -28 0 left_arm 0 28 0 left_leg 0 -28 0 right_leg 0 28 0
 right_arm 0 -14 0 left_arm 0 14 0 left_leg 0 -14 0 right_leg 0 14 0
+right_arm 0 0 0 left_arm 0 0 0 left_leg 0 0 0 right_leg 0 0 0
+right_arm 0 14 0 left_arm 0 -14 0 left_leg 0 14 0 right_leg 0 -14 0
+right_arm 0 28 0 left_arm 0 -28 0 left_leg 0 28 0 right_leg 0 -28 0
+right_arm 0 42 0 left_arm 0 -42 0 left_leg 0 42 0 right_leg 0 -42 0
+right_arm 0 56 0 left_arm 0 -56 0 left_leg 0 56 0 right_leg 0 -56 0
+right_arm 0 56 0 left_arm 0 -56 0 left_leg 0 56 0 right_leg 0 -56 0
+right_arm 0 42 0 left_arm 0 -42 0 left_leg 0 42 0 right_leg 0 -42 0
+right_arm 0 28 0 left_arm 0 -28 0 left_leg 0 28 0 right_leg 0 -28 0
+right_arm 0 14 0 left_arm 0 -14 0 left_leg 0 14 0 right_leg 0 -14 0
 right_arm 0 0 0 left_arm 0 0 0 left_leg 0 0 0 right_leg 0 0 0

src/main/resources/data/gestus/emotes/builtin/still.emote

@@ -1 +1 @@
-main_arm 0 0 0 off_arm 0 0 0 left_leg 0 0 0 right_leg 0 0 0 body 0 0 0
+right_arm 0 0 0 left_arm 0 0 0 left_leg 0 0 0 right_leg 0 0 0 body 0 0 0

src/main/resources/data/gestus/emotes/builtin/trident.emote

@@ -1 +1 @@
-main_arm 0 180 0
+right_arm 0 -180 0

src/main/resources/data/gestus/emotes/builtin/walk.emote

@@ -1,15 +1,4 @@
 right_arm 0 0 0 left_arm 0 0 0 left_leg 0 0 0 right_leg 0 0 0
-right_arm 0 7 0 left_arm 0 -7 0 left_leg 0 7 0 right_leg 0 -7 0
-right_arm 0 14 0 left_arm 0 -14 0 left_leg 0 14 0 right_leg 0 -14 0
-right_arm 0 21 0 left_arm 0 -21 0 left_leg 0 21 0 right_leg 0 -21 0
-right_arm 0 28 0 left_arm 0 -28 0 left_leg 0 28 0 right_leg 0 -28 0
-right_arm 0 35 0 left_arm 0 -35 0 left_leg 0 35 0 right_leg 0 -35 0
-right_arm 0 35 0 left_arm 0 -35 0 left_leg 0 35 0 right_leg 0 -35 0
-right_arm 0 28 0 left_arm 0 -28 0 left_leg 0 28 0 right_leg 0 -28 0
-right_arm 0 21 0 left_arm 0 -21 0 left_leg 0 21 0 right_leg 0 -21 0
-right_arm 0 14 0 left_arm 0 -14 0 left_leg 0 14 0 right_leg 0 -14 0
-right_arm 0 7 0 left_arm 0 -7 0 left_leg 0 7 0 right_leg 0 -7 0
-right_arm 0 0 0 left_arm 0 0 0 left_leg 0 0 0 right_leg 0 0 0
 right_arm 0 -7 0 left_arm 0 7 0 left_leg 0 -7 0 right_leg 0 7 0
 right_arm 0 -14 0 left_arm 0 14 0 left_leg 0 -14 0 right_leg 0 14 0
 right_arm 0 -21 0 left_arm 0 21 0 left_leg 0 -21 0 right_leg 0 21 0
@@ -20,4 +9,15 @@ right_arm 0 -28 0 left_arm 0 28 0 left_leg 0 -28 0 right_leg 0 28 0
 right_arm 0 -21 0 left_arm 0 21 0 left_leg 0 -21 0 right_leg 0 21 0
 right_arm 0 -14 0 left_arm 0 14 0 left_leg 0 -14 0 right_leg 0 14 0
 right_arm 0 -7 0 left_arm 0 7 0 left_leg 0 -7 0 right_leg 0 7 0
+right_arm 0 0 0 left_arm 0 0 0 left_leg 0 0 0 right_leg 0 0 0
+right_arm 0 7 0 left_arm 0 -7 0 left_leg 0 7 0 right_leg 0 -7 0
+right_arm 0 14 0 left_arm 0 -14 0 left_leg 0 14 0 right_leg 0 -14 0
+right_arm 0 21 0 left_arm 0 -21 0 left_leg 0 21 0 right_leg 0 -21 0
+right_arm 0 28 0 left_arm 0 -28 0 left_leg 0 28 0 right_leg 0 -28 0
+right_arm 0 35 0 left_arm 0 -35 0 left_leg 0 35 0 right_leg 0 -35 0
+right_arm 0 35 0 left_arm 0 -35 0 left_leg 0 35 0 right_leg 0 -35 0
+right_arm 0 28 0 left_arm 0 -28 0 left_leg 0 28 0 right_leg 0 -28 0
+right_arm 0 21 0 left_arm 0 -21 0 left_leg 0 21 0 right_leg 0 -21 0
+right_arm 0 14 0 left_arm 0 -14 0 left_leg 0 14 0 right_leg 0 -14 0
+right_arm 0 7 0 left_arm 0 -7 0 left_leg 0 7 0 right_leg 0 -7 0
 right_arm 0 0 0 left_arm 0 0 0 left_leg 0 0 0 right_leg 0 0 0

src/main/resources/data/gestus/emotes/custom/wave.emote

@@ -1,40 +1,40 @@
-main_arm 0 0 0
-main_arm 0 0 16
-main_arm 0 0 32
-main_arm 0 0 48
-main_arm 0 0 64
-main_arm 0 0 80
-main_arm 0 0 96
-main_arm 0 0 112
-main_arm 0 0 128
-main_arm 0 0 144
-main_arm 0 0 145
-main_arm 0 0 140
-main_arm 0 0 135
-main_arm 0 0 130
-main_arm 0 0 125
-main_arm 0 0 120
-main_arm 0 0 125
-main_arm 0 0 130
-main_arm 0 0 135
-main_arm 0 0 140
-main_arm 0 0 145
-main_arm 0 0 145
-main_arm 0 0 140
-main_arm 0 0 135
-main_arm 0 0 130
-main_arm 0 0 125
-main_arm 0 0 120
-main_arm 0 0 125
-main_arm 0 0 130
-main_arm 0 0 135
-main_arm 0 0 140
-main_arm 0 0 145
-main_arm 0 0 112
-main_arm 0 0 96
-main_arm 0 0 80
-main_arm 0 0 64
-main_arm 0 0 48
-main_arm 0 0 32
-main_arm 0 0 16
-main_arm 0 0 0
+right_arm 0 0 0
+right_arm 0 0 16
+right_arm 0 0 32
+right_arm 0 0 48
+right_arm 0 0 64
+right_arm 0 0 80
+right_arm 0 0 96
+right_arm 0 0 112
+right_arm 0 0 128
+right_arm 0 0 144
+right_arm 0 0 145
+right_arm 0 0 140
+right_arm 0 0 135
+right_arm 0 0 130
+right_arm 0 0 125
+right_arm 0 0 120
+right_arm 0 0 125
+right_arm 0 0 130
+right_arm 0 0 135
+right_arm 0 0 140
+right_arm 0 0 145
+right_arm 0 0 145
+right_arm 0 0 140
+right_arm 0 0 135
+right_arm 0 0 130
+right_arm 0 0 125
+right_arm 0 0 120
+right_arm 0 0 125
+right_arm 0 0 130
+right_arm 0 0 135
+right_arm 0 0 140
+right_arm 0 0 145
+right_arm 0 0 112
+right_arm 0 0 96
+right_arm 0 0 80
+right_arm 0 0 64
+right_arm 0 0 48
+right_arm 0 0 32
+right_arm 0 0 16
+right_arm 0 0 0

src/main/resources/gestus.mixins.json

@@ -6,9 +6,8 @@
         "ArmorStandEntityAccessor",
         "DataTrackerAccessor",
         "EntityAccessor",
+        "EntityEquipmentUpdateS2CPacketAccessor",
         "EntityTrackerUpdateS2CPacketAccessor",
-        "MixinEntityTrackerEntry",
-        "MixinLivingEntity",
         "MixinMobSpawnS2CPacket",
         "MixinServerPlayerEntity",
         "MixinServerPlayNetworkHandler",