Big modification for the skilltree GUI. Make sure to reload gui/skilltree.yml and look at the wiki.

MMOCore-API/src/main/java/net/Indyuce/mmocore/api/player/PlayerData.java

@@ -49,8 +49,8 @@ import net.Indyuce.mmocore.skilltree.IntegerCoordinates;
 import net.Indyuce.mmocore.skilltree.NodeStatus;
 import net.Indyuce.mmocore.skilltree.SkillTreeNode;
 import net.Indyuce.mmocore.skilltree.tree.SkillTree;
-import net.Indyuce.mmocore.skilltree.tree.display.DisplayInfo;
+import net.Indyuce.mmocore.gui.skilltree.display.DisplayInfo;
-import net.Indyuce.mmocore.skilltree.tree.display.Icon;
+import net.Indyuce.mmocore.gui.skilltree.display.Icon;
 import net.Indyuce.mmocore.waypoint.Waypoint;
 import net.Indyuce.mmocore.waypoint.WaypointOption;
 import net.md_5.bungee.api.ChatMessageType;
@@ -308,27 +308,6 @@ public class PlayerData extends OfflinePlayerData implements Closable, Experienc
         node.getTree().setupNodeStates(this);
     }
 
-    /**
-     * Returns the icon the node should have.
-     */
-    public Icon getIcon(SkillTreeNode node) {
-        SkillTree skillTree = node.getTree();
-
-        DisplayInfo displayInfo = new DisplayInfo(nodeStates.get(node), node.getSize());
-
-        return skillTree.getIcon(displayInfo);
-    }
-
-    public Icon getIcon(SkillTree skillTree, IntegerCoordinates coordinates) {
-
-        if (skillTree.isNode(coordinates)) {
-            SkillTreeNode node = skillTree.getNode(coordinates);
-            DisplayInfo displayInfo = new DisplayInfo(nodeStates.get(node), node.getSize());
-            return skillTree.getIcon(displayInfo);
-        }
-        if (skillTree.isPath(coordinates)) return skillTree.getIcon(DisplayInfo.pathInfo);
-        return null;
-    }
 
     public int getSkillTreePoint(String treeId) {
         return skillTreePoints.getOrDefault(treeId, 0);

MMOCore-API/src/main/java/net/Indyuce/mmocore/gui/skilltree/SkillTreeViewer.java

@@ -1,24 +1,27 @@
-package net.Indyuce.mmocore.gui;
+package net.Indyuce.mmocore.gui.skilltree;
 
 import io.lumine.mythic.lib.MythicLib;
 import net.Indyuce.mmocore.MMOCore;
-import net.Indyuce.mmocore.api.player.PlayerData;
-import net.Indyuce.mmocore.skilltree.NodeStatus;
-import net.Indyuce.mmocore.skilltree.tree.SkillTree;
-import net.Indyuce.mmocore.skilltree.tree.display.Icon;
 import net.Indyuce.mmocore.api.SoundEvent;
+import net.Indyuce.mmocore.api.player.PlayerData;
+import net.Indyuce.mmocore.api.util.MMOCoreUtils;
 import net.Indyuce.mmocore.gui.api.EditableInventory;
 import net.Indyuce.mmocore.gui.api.GeneratedInventory;
 import net.Indyuce.mmocore.gui.api.InventoryClickContext;
 import net.Indyuce.mmocore.gui.api.item.InventoryItem;
 import net.Indyuce.mmocore.gui.api.item.Placeholders;
 import net.Indyuce.mmocore.gui.api.item.SimplePlaceholderItem;
+import net.Indyuce.mmocore.gui.skilltree.display.*;
 import net.Indyuce.mmocore.skilltree.IntegerCoordinates;
+import net.Indyuce.mmocore.skilltree.NodeStatus;
 import net.Indyuce.mmocore.skilltree.SkillTreeNode;
+import net.Indyuce.mmocore.skilltree.SkillTreePath;
+import net.Indyuce.mmocore.skilltree.tree.SkillTree;
 import org.bukkit.ChatColor;
 import org.bukkit.Material;
 import org.bukkit.NamespacedKey;
 import org.bukkit.configuration.ConfigurationSection;
+import org.bukkit.configuration.file.FileConfiguration;
 import org.bukkit.event.inventory.ClickType;
 import org.bukkit.inventory.ItemFlag;
 import org.bukkit.inventory.ItemStack;
@@ -26,17 +29,39 @@ import org.bukkit.inventory.meta.ItemMeta;
 import org.bukkit.persistence.PersistentDataContainer;
 import org.bukkit.persistence.PersistentDataType;
 
-import java.util.ArrayList;
+import java.util.*;
-import java.util.Collection;
-import java.util.List;
 
 public class SkillTreeViewer extends EditableInventory {
-
+    protected final Map<DisplayInfo, Icon> icons = new HashMap<>();
 
     public SkillTreeViewer() {
         super("skill-tree");
     }
 
+    @Override
+    public void reload(FileConfiguration config) {
+        super.reload(config);
+        //Loads all the pathDisplayInfo
+        for (PathStatus status : PathStatus.values())
+            for (PathType pathType :PathType.values()){
+                if(!config.contains("display.paths." + MMOCoreUtils.ymlName(status.name()) + "." + MMOCoreUtils.ymlName(pathType.name()))){
+                    MMOCore.log("display.paths." + MMOCoreUtils.ymlName(status.name()) + "." + MMOCoreUtils.ymlName(pathType.name()));
+                    MMOCore.log("Missing path type: " + MMOCoreUtils.ymlName(pathType.name()) + " for status: " + MMOCoreUtils.ymlName(status.name()));
+                    continue;
+                }
+                icons.put(new PathDisplayInfo(pathType, status), new Icon(config.getConfigurationSection("display.paths." + MMOCoreUtils.ymlName(status.name()) + "." + MMOCoreUtils.ymlName(pathType.name()))));
+            }
+        //Loads all the nodeDisplayInfo
+        for (NodeStatus status : NodeStatus.values())
+            for (NodeType nodeType :NodeType.values()){
+                if(!config.contains("display.nodes." + MMOCoreUtils.ymlName(status.name()) + "." + MMOCoreUtils.ymlName(nodeType.name()))){
+                    MMOCore.log("Missing node type: " + MMOCoreUtils.ymlName(nodeType.name()) + " for status: " + MMOCoreUtils.ymlName(status.name()));
+                    continue;
+                }
+                icons.put(new NodeDisplayInfo(nodeType, status), new Icon(config.getConfigurationSection("display.nodes." + MMOCoreUtils.ymlName(status.name()) + "." + MMOCoreUtils.ymlName(nodeType.name()))));
+            }
+    }
+
     @Override
     public InventoryItem load(String function, ConfigurationSection config) {
         if (function.equals("skill-tree")) {
@@ -190,7 +215,7 @@ public class SkillTreeViewer extends EditableInventory {
         public ItemStack display(SkillTreeInventory inv, int n) {
             IntegerCoordinates coordinates = inv.getCoordinates(n);
             if (inv.getSkillTree().isNode(coordinates) || inv.getSkillTree().isPath(coordinates)) {
-                Icon icon = inv.getPlayerData().getIcon(inv.getSkillTree(), coordinates);
+                Icon icon = inv.getIcon(coordinates);
                 ItemStack item = super.display(inv, n, icon.getMaterial(), icon.getCustomModelData());
                 ItemMeta meta = item.getItemMeta();
                 if (inv.getSkillTree().isNode(coordinates)) {
@@ -313,6 +338,23 @@ public class SkillTreeViewer extends EditableInventory {
             return maxTreeListPage;
         }
 
+        public Icon getIcon(IntegerCoordinates coordinates) {
+            boolean hasNorthPath = skillTree.isPath(new IntegerCoordinates(coordinates.getX(), coordinates.getY() - 1));
+            boolean hasSouthPath = skillTree.isPath(new IntegerCoordinates(coordinates.getX(), coordinates.getY() + 1));
+            boolean hasEastPath = skillTree.isPath(new IntegerCoordinates(coordinates.getX() + 1, coordinates.getY()));
+            boolean hasWestPath = skillTree.isPath(new IntegerCoordinates(coordinates.getX() - 1, coordinates.getY()));
+
+            if (skillTree.isNode(coordinates)) {
+                SkillTreeNode node = skillTree.getNode(coordinates);
+                NodeType nodeType = NodeType.getNodeType(hasNorthPath, hasEastPath, hasSouthPath, hasWestPath);
+                return icons.get(new NodeDisplayInfo(nodeType, playerData.getNodeState(node)));
+            } else {
+                PathType pathType = PathType.getPathType(hasNorthPath, hasEastPath, hasSouthPath, hasWestPath);
+                SkillTreePath path = skillTree.getPath(coordinates);
+                return icons.get(new PathDisplayInfo(pathType, path.getStatus(playerData)));
+            }
+        }
+
         @Override
         public String calculateName() {
             return getEditable().getName().replace("{skill-tree-name}", skillTree.getName()).replace("{skill-tree-id}", skillTree.getId());
@@ -434,18 +476,15 @@ public class SkillTreeViewer extends EditableInventory {
                         MMOCore.plugin.soundManager.getSound(SoundEvent.LEVEL_UP).playTo(getPlayer());
                         open();
                         event.setCancelled(true);
-                        return;
                     } else if (playerData.getNodeState(node) == NodeStatus.LOCKED || playerData.getNodeState(node) == NodeStatus.FULLY_LOCKED) {
                         MMOCore.plugin.configManager.getSimpleMessage("locked-node").send(player);
                         MMOCore.plugin.soundManager.getSound(SoundEvent.NOT_ENOUGH_POINTS).playTo(getPlayer());
                         event.setCancelled(true);
-                        return;
 
                     } else if (playerData.getNodeLevel(node) >= node.getMaxLevel()) {
                         MMOCore.plugin.configManager.getSimpleMessage("skill-node-max-level-hit").send(player);
                         MMOCore.plugin.soundManager.getSound(SoundEvent.NOT_ENOUGH_POINTS).playTo(getPlayer());
                         event.setCancelled(true);
-                        return;
                     }
 
                     //Else the player doesn't doesn't have the skill tree points
@@ -453,7 +492,6 @@ public class SkillTreeViewer extends EditableInventory {
                         MMOCore.plugin.configManager.getSimpleMessage("not-enough-skill-tree-points", "point", "" + node.getSkillTreePointsConsumed()).send(player);
                         MMOCore.plugin.soundManager.getSound(SoundEvent.NOT_ENOUGH_POINTS).playTo(getPlayer());
                         event.setCancelled(true);
-                        return;
                     }
 
                 }

MMOCore-API/src/main/java/net/Indyuce/mmocore/gui/skilltree/display/DisplayInfo.java

@@ -0,0 +1,7 @@
+package net.Indyuce.mmocore.gui.skilltree.display;
+
+/**
+ * The information needed to determine the display of a node/path depending on its context.
+ */
+public interface DisplayInfo {
+}

MMOCore-API/src/main/java/net/Indyuce/mmocore/gui/skilltree/display/Icon.java

@@ -1,4 +1,4 @@
-package net.Indyuce.mmocore.skilltree.tree.display;
+package net.Indyuce.mmocore.gui.skilltree.display;
 
 import io.lumine.mythic.lib.UtilityMethods;
 import org.bukkit.Material;
@@ -23,7 +23,7 @@ public class Icon {
 
     public Icon(ConfigurationSection config) {
         this(Material.valueOf(Objects.requireNonNull(UtilityMethods.enumName(
-                config.getString("item")))), config.contains("model-data") ? config.getInt("model-data") : 0);
+                config.getString("item")))), config.contains("custom-model-data") ? config.getInt("custom-model-data") : 0);
     }
 
     public Icon(Material material, int customModelData) {

MMOCore-API/src/main/java/net/Indyuce/mmocore/gui/skilltree/display/NodeDisplayInfo.java

@@ -0,0 +1,49 @@
+package net.Indyuce.mmocore.gui.skilltree.display;
+
+import net.Indyuce.mmocore.skilltree.NodeStatus;
+
+import java.util.Objects;
+
+public class NodeDisplayInfo implements DisplayInfo{
+
+    private NodeStatus nodeStatus;
+    private NodeType nodeType;
+
+    public NodeDisplayInfo(NodeType nodeType,NodeStatus nodeStatus) {
+        this.nodeStatus = nodeStatus;
+        this.nodeType = nodeType;
+    }
+
+    public NodeStatus getNodeState() {
+        return nodeStatus;
+    }
+
+    public NodeStatus getNodeStatus() {
+        return nodeStatus;
+    }
+
+    public NodeType getNodeType() {
+        return nodeType;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        NodeDisplayInfo that = (NodeDisplayInfo) o;
+        return nodeStatus == that.nodeStatus && nodeType == that.nodeType;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(nodeStatus, nodeType);
+    }
+
+    @Override
+    public String toString() {
+        return "NodeDisplayInfo{" +
+                "nodeStatus=" + nodeStatus +
+                ", nodeType=" + nodeType +
+                '}';
+    }
+}

MMOCore-API/src/main/java/net/Indyuce/mmocore/gui/skilltree/display/NodeType.java

@@ -0,0 +1,45 @@
+package net.Indyuce.mmocore.gui.skilltree.display;
+
+public enum NodeType {
+    NORTH_EAST_SOUTH_WEST,
+    NORTH_EAST_SOUTH,
+    NORTH_EAST_WEST,
+    NORTH_SOUTH_WEST,
+    SOUTH_EAST_WEST,
+    NORTH_EAST,
+    NORTH_SOUTH,
+    NORTH_WEST,
+    SOUTH_EAST,
+    SOUTH_WEST,
+    EAST_WEST,
+    NO_PATH;
+
+    public static NodeType getNodeType(boolean hasNorthPath, boolean hasEastPath, boolean hasSouthPath, boolean hasWestPath) {
+        if (hasNorthPath && hasEastPath && hasSouthPath && hasWestPath) {
+            return NORTH_EAST_SOUTH_WEST;
+        } else if (hasNorthPath && hasEastPath && hasSouthPath) {
+            return NORTH_EAST_SOUTH;
+        } else if (hasNorthPath && hasEastPath && hasWestPath) {
+            return NORTH_EAST_WEST;
+        } else if (hasNorthPath && hasSouthPath && hasWestPath) {
+            return NORTH_SOUTH_WEST;
+        } else if (hasSouthPath && hasEastPath && hasWestPath) {
+            return SOUTH_EAST_WEST;
+        } else if (hasNorthPath && hasEastPath) {
+            return NORTH_EAST;
+        } else if (hasNorthPath && hasSouthPath) {
+            return NORTH_SOUTH;
+        } else if (hasNorthPath && hasWestPath) {
+            return NORTH_WEST;
+        } else if (hasSouthPath && hasEastPath) {
+            return SOUTH_EAST;
+        } else if (hasSouthPath && hasWestPath) {
+            return SOUTH_WEST;
+        } else if (hasEastPath && hasWestPath) {
+            return EAST_WEST;
+        }
+        return NO_PATH;
+    }
+}
+
+

MMOCore-API/src/main/java/net/Indyuce/mmocore/gui/skilltree/display/PathDisplayInfo.java

@@ -0,0 +1,44 @@
+package net.Indyuce.mmocore.gui.skilltree.display;
+
+import java.util.Objects;
+
+public class PathDisplayInfo implements DisplayInfo{
+
+    private PathType pathType;
+    private PathStatus pathStatus;
+
+    public PathDisplayInfo(PathType pathType, PathStatus pathStatus) {
+        this.pathType = pathType;
+        this.pathStatus = pathStatus;
+    }
+
+    public PathType getPathType() {
+        return pathType;
+    }
+
+    public PathStatus getPathStatus() {
+        return pathStatus;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(pathType, pathStatus);
+    }
+
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        PathDisplayInfo that = (PathDisplayInfo) o;
+        return pathType == that.pathType && pathStatus == that.pathStatus;
+    }
+
+    @Override
+    public String toString() {
+        return "PathDisplayInfo{" +
+                "pathType=" + pathType +
+                ", pathStatus=" + pathStatus +
+                '}';
+    }
+}

MMOCore-API/src/main/java/net/Indyuce/mmocore/gui/skilltree/display/PathStatus.java

@@ -0,0 +1,7 @@
+package net.Indyuce.mmocore.gui.skilltree.display;
+
+public enum PathStatus {
+    LOCKED,
+    FULLY_LOCKED,
+    UNLOCKED;
+}

MMOCore-API/src/main/java/net/Indyuce/mmocore/gui/skilltree/display/PathType.java

@@ -0,0 +1,40 @@
+package net.Indyuce.mmocore.gui.skilltree.display;
+
+/**
+ * The direction of the path.
+ */
+public enum PathType {
+
+    NORTH,
+    /**
+     * Goes to north then east/ goes to west then south.
+     */
+    NORTH_EAST,
+    NORTH_WEST,
+    SOUTH_EAST,
+    SOUTH_WEST,
+    EAST,
+
+    DEFAULT;
+
+    public static PathType getPathType(boolean hasNorth,boolean hasEast,boolean hasSouth,boolean hasWest) {
+        if ((hasNorth || hasSouth) && !hasWest && hasEast) {
+            return NORTH;
+        } else if ((hasEast || hasWest)&& !hasNorth && !hasSouth) {
+            return EAST;
+        } else if (hasNorth && hasEast) {
+            return NORTH_EAST;
+        }
+        else if (hasNorth && hasWest) {
+            return NORTH_WEST;
+        }
+        else if (hasSouth && hasEast) {
+            return SOUTH_EAST;
+        }
+        else if (hasSouth && hasWest) {
+            return SOUTH_WEST;
+        }
+        return DEFAULT;
+    }
+
+}

MMOCore-API/src/main/java/net/Indyuce/mmocore/manager/InventoryManager.java

@@ -6,6 +6,7 @@ import java.util.logging.Level;
 import net.Indyuce.mmocore.MMOCore;
 import net.Indyuce.mmocore.api.player.profess.PlayerClass;
 import net.Indyuce.mmocore.api.util.MMOCoreUtils;
+import net.Indyuce.mmocore.gui.skilltree.SkillTreeViewer;
 import net.Indyuce.mmocore.gui.social.friend.EditableFriendList;
 import net.Indyuce.mmocore.gui.*;
 import net.Indyuce.mmocore.gui.social.friend.EditableFriendRemoval;

MMOCore-API/src/main/java/net/Indyuce/mmocore/skilltree/SkillTreePath.java

@@ -0,0 +1,17 @@
+package net.Indyuce.mmocore.skilltree;
+
+import net.Indyuce.mmocore.api.player.PlayerData;
+import net.Indyuce.mmocore.gui.skilltree.display.PathStatus;
+import net.Indyuce.mmocore.skilltree.tree.SkillTree;
+
+public record SkillTreePath(SkillTree tree, IntegerCoordinates coordinates, SkillTreeNode from, SkillTreeNode to) {
+
+    public PathStatus getStatus(PlayerData playerData) {
+        if (playerData.getNodeState(from) == NodeStatus.UNLOCKED && playerData.getNodeState(to) == NodeStatus.UNLOCKED) {
+            return PathStatus.UNLOCKED;
+        }
+        return PathStatus.LOCKED;
+    }
+
+
+}

MMOCore-API/src/main/java/net/Indyuce/mmocore/skilltree/tree/SkillTree.java

@@ -5,12 +5,15 @@ import io.lumine.mythic.lib.UtilityMethods;
 import io.lumine.mythic.lib.api.util.PostLoadObject;
 import net.Indyuce.mmocore.MMOCore;
 import net.Indyuce.mmocore.api.player.PlayerData;
+import net.Indyuce.mmocore.gui.skilltree.display.DisplayInfo;
+import net.Indyuce.mmocore.gui.skilltree.display.Icon;
+import net.Indyuce.mmocore.gui.skilltree.display.NodeDisplayInfo;
+import net.Indyuce.mmocore.gui.skilltree.display.NodeType;
 import net.Indyuce.mmocore.manager.registry.RegisteredObject;
-import net.Indyuce.mmocore.skilltree.tree.display.DisplayInfo;
-import net.Indyuce.mmocore.skilltree.tree.display.Icon;
 import net.Indyuce.mmocore.skilltree.IntegerCoordinates;
 import net.Indyuce.mmocore.skilltree.NodeStatus;
 import net.Indyuce.mmocore.skilltree.SkillTreeNode;
+import net.Indyuce.mmocore.skilltree.SkillTreePath;
 import org.apache.commons.lang.Validate;
 import org.bukkit.Material;
 import org.bukkit.configuration.ConfigurationSection;
@@ -42,16 +45,21 @@ public abstract class SkillTree extends PostLoadObject implements RegisteredObje
     private final int customModelData;
 
     //2 different maps to get the nodes
-
+    /**
-    //Represents all the coordinates that will be displayed as a path (between 2 nodes of the tree)
+     * Represents all the nodes
-    protected final ArrayList<IntegerCoordinates> paths = new ArrayList<>();
+     * Key: the coordinates of the node
-    //Represents all the nodes
+     * Value: the node
+     */
     protected final Map<IntegerCoordinates, SkillTreeNode> coordinatesNodes = new HashMap<>();
+    /**
+     * Represents all the paths between nodes.
+     */
+    protected final Map<IntegerCoordinates, SkillTreePath> coordinatesPaths = new HashMap<>();
+
     protected final Map<String, SkillTreeNode> nodes = new HashMap<>();
     protected final int maxPointSpent;
     //Caches the height of the skill tree
     protected int minX, minY, maxX, maxY;
-    protected final HashMap<DisplayInfo, Icon> icons = new HashMap<>();
     protected final List<SkillTreeNode> roots = new ArrayList<>();
 
     public SkillTree(ConfigurationSection config) {
@@ -66,47 +74,32 @@ public abstract class SkillTree extends PostLoadObject implements RegisteredObje
         this.maxPointSpent = config.getInt("max-point-spent", Integer.MAX_VALUE);
         for (String key : config.getConfigurationSection("nodes").getKeys(false)) {
             try {
-
+                ConfigurationSection section = config.getConfigurationSection("nodes." + key);
-                SkillTreeNode node = new SkillTreeNode(this, config.getConfigurationSection("nodes." + key));
+                SkillTreeNode node = new SkillTreeNode(this, section);
                 nodes.put(node.getId(), node);
-
             } catch (Exception e) {
                 MMOCore.log("Couldn't load skill tree node " + id + "." + key + ": " + e.getMessage());
             }
         }
-        try {
+        for (String from : config.getConfigurationSection("nodes").getKeys(false)) {
-            if (config.contains("paths")) {
+            ConfigurationSection section = config.getConfigurationSection("nodes." + from);
-                ConfigurationSection section = config.getConfigurationSection("paths");
+            MMOCore.log("skilltree:" + id + "  " + (section.contains("paths")));
-                for (String key : section.getKeys(false)) {
+            if (section.contains("paths")) {
-                    if (section.contains(key + ".x") && section.contains(key + ".y")) {
+                for (String to : section.getConfigurationSection("paths").getKeys(false)) {
-                        paths.add(new IntegerCoordinates(section.getInt(key + ".x"), section.getInt(key + ".y")));
+                    SkillTreeNode node1 = nodes.get(to);
-                    }
+                    if (node1 == null) {
-
+                        MMOCore.log("Couldn't find node " + to + " for path in node " + from + ".");
-                }
-            }
-        } catch (Exception e) {
-            MMOCore.log(Level.WARNING, "Couldn't load paths for skill tree: " + id);
-        }
-
-        try {
-            //Load the icons of the skill tree.
-            for (String key : config.getConfigurationSection("icons").getKeys(false)) {
-                if (key.equalsIgnoreCase("path")) {
-                    icons.put(DisplayInfo.pathInfo, new Icon(config.getConfigurationSection("icons." + key)));
                         continue;
                     }
-                for (String size : config.getConfigurationSection("icons." + key).getKeys(false)) {
+                    for (String pathKey : section.getConfigurationSection("paths." + to).getKeys(false)) {
-                    DisplayInfo displayInfo = new DisplayInfo(NodeStatus.valueOf(UtilityMethods.enumName(key)), Integer.parseInt(size));
+                        IntegerCoordinates coordinates = new IntegerCoordinates(section.getInt("paths." + to + "." + pathKey + ".x"), section.getInt("paths." + to + "." + pathKey + ".y"));
-                    Icon icon = new Icon(config.getConfigurationSection("icons." + key + "." + size));
+                        coordinatesPaths.put(coordinates, new SkillTreePath(this, coordinates, nodes.get(from), node1));
-                    icons.put(displayInfo, icon);
+                    }
+                }
+            }
 
         }
     }
-        } catch (Exception e) {
-            MMOCore.log("Couldn't load icons for the skill tree " + id);
-            e.printStackTrace();
-        }
-    }
 
     /**
      * Used to setup everything related to coordinates when each node has its coordinates loaded.
@@ -121,12 +114,28 @@ public abstract class SkillTree extends PostLoadObject implements RegisteredObje
 
     @Override
     protected abstract void whenPostLoaded(@NotNull ConfigurationSection configurationSection);
+/*
 
-    public Icon getIcon(DisplayInfo info) {
+    public Icon getIcon(SkillTreeNode node) {
-        Validate.isTrue(icons.containsKey(info), "The icon corresponding to " + info + " doesn't exist for the skill tree " + id + ".");
+        SkillTree skillTree = node.getTree();
-        return icons.get(info);
+
+        DisplayInfo displayInfo = new DisplayInfo(nodeStates.get(node), node.getSize());
+
+        return skillTree.getIcon(displayInfo);
     }
 
+    public Icon getIcon(SkillTree skillTree, IntegerCoordinates coordinates) {
+
+        if (skillTree.isNode(coordinates)) {
+            SkillTreeNode node = skillTree.getNode(coordinates);
+            DisplayInfo displayInfo = new DisplayInfo(nodeStates.get(node), node.getSize());
+            return skillTree.getIcon(displayInfo);
+        }
+        if (skillTree.isPath(coordinates)) return skillTree.getIcon(DisplayInfo.pathInfo);
+        return null;
+    }
+    */
+
     public int getMaxX() {
         return maxX;
     }
@@ -266,7 +275,7 @@ public abstract class SkillTree extends PostLoadObject implements RegisteredObje
     }
 
     public boolean isPath(IntegerCoordinates coordinates) {
-        return paths.contains(coordinates);
+        return coordinatesPaths.keySet().contains(coordinates);
     }
 
     public Material getItem() {
@@ -291,11 +300,17 @@ public abstract class SkillTree extends PostLoadObject implements RegisteredObje
         return Objects.requireNonNull(coordinatesNodes.get(coords), "Could not find node in tree '" + id + "' with coordinates '" + coords.toString() + "'");
     }
 
+    @NotNull
+    public SkillTreePath getPath(IntegerCoordinates coords) {
+        return Objects.requireNonNull(coordinatesPaths.get(coords), "Could not find path in tree '" + id + "' with coordinates '" + coords.toString() + "'");
+    }
+
     @NotNull
     public SkillTreeNode getNode(String name) {
         return Objects.requireNonNull(nodes.get(name), "Could not find node in tree '" + id + "' with name '" + name + "'");
     }
 
+
     public boolean isNode(String name) {
         return nodes.containsKey(name);
     }

MMOCore-API/src/main/java/net/Indyuce/mmocore/skilltree/tree/display/DisplayInfo.java

@@ -1,57 +0,0 @@
-package net.Indyuce.mmocore.skilltree.tree.display;
-
-import net.Indyuce.mmocore.skilltree.NodeStatus;
-
-import java.util.Objects;
-
-/**
- * The information needed to determine the display type of a node
- */
-public class DisplayInfo {
-    private NodeStatus nodeStatus;
-    private  int size;
-
-    //this NodeDisplayInfo represent a path
-    public static DisplayInfo pathInfo= new DisplayInfo();
-
-
-    public DisplayInfo() {
-    }
-
-    public DisplayInfo(NodeStatus nodeStatus, int size) {
-        this.nodeStatus = nodeStatus;
-        this.size = size;
-    }
-
-    public NodeStatus getNodeState() {
-        return nodeStatus;
-    }
-
-    public int getSize() {
-        return size;
-    }
-
-
-    @Override
-    public int hashCode() {
-        return Objects.hash(nodeStatus, size);
-    }
-
-    @Override
-    public boolean equals(Object obj) {
-        if(!(obj instanceof DisplayInfo))
-            return false;
-        DisplayInfo displayInfo= (DisplayInfo) obj;
-        if(nodeStatus ==null)
-            return displayInfo.getNodeState()==null;
-        return nodeStatus ==displayInfo.getNodeState()&&size==displayInfo.getSize();
-    }
-
-    @Override
-    public String toString() {
-        return "DisplayInfo{" +
-                "nodeState=" + nodeStatus +
-                ", size=" + size +
-                '}';
-    }
-}

MMOCore-Dist/src/main/resources/default/gui/skill-tree.yml

@@ -99,4 +99,221 @@ items:
       - '&e◆Points spent for {skill-tree}&e:&6 {point-spent}'
       - '&e◆Current {skill-tree} &epoints: &6{skill-tree-points}'
       - '&e◆Current &6global&e points: &6{global-points}'
+display:
+  paths:
+    unlocked:
+      north:
+        item: "WHITE_DYE"
+        custom-model-data: 0
+      north-east:
+        item: "WHITE_DYE"
+        custom-model-data: 0
+      north-west:
+        item: "WHITE_DYE"
+        custom-model-data: 0
+      south-east:
+        item: "WHITE_DYE"
+        custom-model-data: 0
+      south-west:
+        item: "WHITE_DYE"
+        custom-model-data: 0
+      east:
+        item: "WHITE_DYE"
+        custom-model-data: 0
+      default:
+        item: "WHITE_DYE"
+        custom-model-data: 0
+    locked:
+      north:
+        item: "GRAY_DYE"
+        custom-model-data: 0
+      north-east:
+        item: "GRAY_DYE"
+        custom-model-data: 0
+      north-west:
+        item: "GRAY_DYE"
+        custom-model-data: 0
+      south-east:
+        item: "GRAY_DYE"
+        custom-model-data: 0
+      south-west:
+        item: "GRAY_DYE"
+        custom-model-data: 0
+      east:
+        item: "GRAY_DYE"
+        custom-model-data: 0
+      default:
+        item: "GRAY_DYE"
+        custom-model-data: 0
+    fully-locked:
+      north:
+        item: "BLACK_DYE"
+        custom-model-data: 0
+      north-east:
+        item: "BLACK_DYE"
+        custom-model-data: 0
+      north-west:
+        item: "BLACK_DYE"
+        custom-model-data: 0
+      south-east:
+        item: "BLACK_DYE"
+        custom-model-data: 0
+      south-west:
+        item: "BLACK_DYE"
+        custom-model-data: 0
+      east:
+        item: "BLACK_DYE"
+        custom-model-data: 0
+      default:
+        item: "BLACK_DYE"
+        custom-model-data: 0
+  nodes:
+    unlocked:
+      north-east-south-west:
+        item: "WHITE_CONCRETE"
+        custom-model-data: 0
+      north-east-south:
+        item: "WHITE_CONCRETE"
+        custom-model-data: 0
+      north-east-west:
+        item: "WHITE_CONCRETE"
+        custom-model-data: 0
+      north-south-west:
+        item: "WHITE_CONCRETE"
+        custom-model-data: 0
+      south-east-west:
+        item: "WHITE_CONCRETE"
+        custom-model-data: 0
+      north-east:
+        item: "WHITE_CONCRETE"
+        custom-model-data: 0
+      north-south:
+        item: "WHITE_CONCRETE"
+        custom-model-data: 0
+      north-west:
+        item: "WHITE_CONCRETE"
+        custom-model-data: 0
+      south-east:
+        item: "WHITE_CONCRETE"
+        custom-model-data: 0
+      south-west:
+        item: "WHITE_CONCRETE"
+        custom-model-data: 0
+      east-west:
+        item: "WHITE_CONCRETE"
+        custom-model-data: 0
+      no-path:
+        item: "WHITE_CONCRETE"
+        custom-model-data: 0
+    locked:
+      north-east-south-west:
+        item: "GRAY_CONCRETE"
+        custom-model-data: 0
+      north-east-south:
+        item: "GRAY_CONCRETE"
+        custom-model-data: 0
+      north-east-west:
+        item: "GRAY_CONCRETE"
+        custom-model-data: 0
+      north-south-west:
+        item: "GRAY_CONCRETE"
+        custom-model-data: 0
+      south-east-west:
+        item: "GRAY_CONCRETE"
+        custom-model-data: 0
+      north-east:
+        item: "GRAY_CONCRETE"
+        custom-model-data: 0
+      north-south:
+        item: "GRAY_CONCRETE"
+        custom-model-data: 0
+      north-west:
+        item: "GRAY_CONCRETE"
+        custom-model-data: 0
+      south-east:
+        item: "GRAY_CONCRETE"
+        custom-model-data: 0
+      south-west:
+        item: "GRAY_CONCRETE"
+        custom-model-data: 0
+      east-west:
+        item: "GRAY_CONCRETE"
+        custom-model-data: 0
+      no-path:
+        item: "GRAY_CONCRETE"
+        custom-model-data: 0
+    unlockable:
+      north-east-south-west:
+        item: "BLUE_CONCRETE"
+        custom-model-data: 0
+      north-east-south:
+        item: "BLUE_CONCRETE"
+        custom-model-data: 0
+      north-east-west:
+        item: "BLUE_CONCRETE"
+        custom-model-data: 0
+      north-south-west:
+        item: "BLUE_CONCRETE"
+        custom-model-data: 0
+      south-east-west:
+        item: "BLUE_CONCRETE"
+        custom-model-data: 0
+      north-east:
+        item: "BLUE_CONCRETE"
+        custom-model-data: 0
+      north-south:
+        item: "BLUE_CONCRETE"
+        custom-model-data: 0
+      north-west:
+        item: "BLUE_CONCRETE"
+        custom-model-data: 0
+      south-east:
+        item: "BLUE_CONCRETE"
+        custom-model-data: 0
+      south-west:
+        item: "BLUE_CONCRETE"
+        custom-model-data: 0
+      east-west:
+        item: "BLUE_CONCRETE"
+        custom-model-data: 0
+      no-path:
+        item: "BLUE_CONCRETE"
+        custom-model-data: 0
+    fully-locked:
+      north-east-south-west:
+        item: "BLACK_CONCRETE"
+        custom-model-data: 0
+      north-east-south:
+        item: "BLACK_CONCRETE"
+        custom-model-data: 0
+      north-east-west:
+        item: "BLACK_CONCRETE"
+        custom-model-data: 0
+      north-south-west:
+        item: "BLACK_CONCRETE"
+        custom-model-data: 0
+      south-east-west:
+        item: "BLACK_CONCRETE"
+        custom-model-data: 0
+      north-east:
+        item: "BLACK_CONCRETE"
+        custom-model-data: 0
+      north-south:
+        item: "BLACK_CONCRETE"
+        custom-model-data: 0
+      north-west:
+        item: "BLACK_CONCRETE"
+        custom-model-data: 0
+      south-east:
+        item: "BLACK_CONCRETE"
+        custom-model-data: 0
+      south-west:
+        item: "BLACK_CONCRETE"
+        custom-model-data: 0
+      east-west:
+        item: "BLACK_CONCRETE"
+        custom-model-data: 0
+      no-path:
+        item: "BLACK_CONCRETE"
+        custom-model-data: 0