Refactor SkilltreeClientState, PlayerSkillData, SkilltreeScreen, and ServerboundUnlockNodePacket to remove toast notifications and system sounds, and add AbilityNode cooldown display in SkilltreeScreen

src/main/java/net/fretux/skillengine/capability/PlayerSkillData.java

@@ -1,5 +1,6 @@
 package net.fretux.skillengine.capability;
 
+import net.fretux.skillengine.network.PacketHandler;
 import net.fretux.skillengine.skilltree.AbilityNode;
 import net.fretux.skillengine.skilltree.SkillNode;
 import net.fretux.skillengine.skilltree.SkillNodeRegistry;
@@ -7,6 +8,7 @@ import net.minecraft.nbt.CompoundTag;
 import net.minecraft.nbt.ListTag;
 import net.minecraft.nbt.Tag;
 import net.minecraft.resources.ResourceLocation;
+import net.minecraft.server.level.ServerPlayer;
 
 import java.util.HashSet;
 import java.util.Set;
@@ -199,4 +201,8 @@ public class PlayerSkillData {
         activeTags.clear();
         unlockedAbilities.clear();
     }
+
+    public void sync(ServerPlayer player) {
+        PacketHandler.syncSkillsTo(player);
+    }
 }

src/main/java/net/fretux/skillengine/client/SkilltreeClientState.java

@@ -3,8 +3,6 @@ package net.fretux.skillengine.client;
 import net.fretux.skillengine.SkillEngine;
 import net.fretux.skillengine.capability.PlayerSkillData;
 import net.minecraft.client.Minecraft;
-import net.minecraft.client.gui.components.toasts.SystemToast;
-import net.minecraft.network.chat.Component;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.sounds.SoundEvents;
 
@@ -34,14 +32,6 @@ public class SkilltreeClientState {
         if (mc.player != null) {
             mc.player.playSound(SoundEvents.EXPERIENCE_ORB_PICKUP, 1f, 1.2f);
         }
-        mc.getToasts().addToast(
-                SystemToast.multiline(
-                        mc,
-                        SystemToast.SystemToastIds.TUTORIAL_HINT,
-                        Component.literal("Node Unlocked"),
-                        Component.literal(id.toString())
-                )
-        );
     }
 
     public static boolean isUnlocked(ResourceLocation id) {

src/main/java/net/fretux/skillengine/client/SkilltreeScreen.java

@@ -135,7 +135,7 @@ public class SkilltreeScreen extends Screen {
 
     private void renderSkillPointHeader(GuiGraphics gfx) {
         int remaining = SkilltreeClientState.getCurrentSkillPoints();
-        Component pointsText = Component.literal(remaining + " skillpoints remaining")
+        Component pointsText = Component.literal("Skillpoints Remaining: " + remaining)
                 .withStyle(ChatFormatting.YELLOW);
         gfx.drawString(font, pointsText, 10, 10, 0xFFFFFF);
     }
@@ -250,7 +250,9 @@ public class SkilltreeScreen extends Screen {
             tooltip.add(Component.literal("Mutually Exclusive with:")
                     .withStyle(ChatFormatting.RED));
             for (ResourceLocation ex : hoveredNode.getExclusiveWith()) {
-                tooltip.add(Component.literal(" - " + ex.toString())
+                SkillNode other = SkillNodeRegistry.get(ex);
+                Component name = other != null ? other.getTitle() : Component.literal(ex.toString());
+                tooltip.add(Component.literal(" - ").append(name.copy())
                         .withStyle(ChatFormatting.RED));
             }
         }
@@ -309,8 +311,41 @@ public class SkilltreeScreen extends Screen {
         gfx.fill(0, 0, width, height, 0x88000000);
         gfx.fill(x, y, x + OVERLAY_WIDTH, y + OVERLAY_HEIGHT, 0xFF222222);
         gfx.drawCenteredString(font, ability.getTitle(), x + OVERLAY_WIDTH / 2, y + 10, 0xFFFFFF);
+        int textY = y + 30;
         if (ability.getDescription() != null) {
-            gfx.drawWordWrap(font, ability.getDescription(), x + 10, y + 30, OVERLAY_WIDTH - 20, 0xDDDDDD);
+            gfx.drawWordWrap(font, ability.getDescription(), x + 10, textY, OVERLAY_WIDTH - 20, 0xDDDDDD);
+            textY += 60;
+        }
+        gfx.drawString(font,
+                Component.literal("Cooldown: " + ability.getCooldown() / 20 + " seconds")
+                        .withStyle(ChatFormatting.AQUA),
+                x + 10,
+                textY,
+                0xFFFFFF);
+        textY += 15;
+        if (!ability.getLinks().isEmpty()) {
+            gfx.drawString(font,
+                    Component.literal("Requires:")
+                            .withStyle(ChatFormatting.GOLD),
+                    x + 10,
+                    textY,
+                    0xFFFFFF);
+            textY += 12;
+            for (ResourceLocation parent : ability.getLinks()) {
+                SkillNode parentNode = SkillNodeRegistry.get(parent);
+                AbilityNode parentAbility = AbilityNodeRegistry.get(parent);
+                Component name = parentNode != null
+                        ? parentNode.getTitle()
+                        : parentAbility != null
+                        ? parentAbility.getTitle()
+                        : Component.literal(parent.toString());
+                gfx.drawString(font,
+                        Component.literal(" - ").append(name),
+                        x + 10,
+                        textY,
+                        0xFFFFFF);
+                textY += 12;
+            }
         }
     }
 

src/main/java/net/fretux/skillengine/compat/AscendCompatHandler.java

@@ -3,6 +3,7 @@ package net.fretux.skillengine.compat;
 import net.fretux.ascend.player.PlayerStatsProvider;
 import net.fretux.skillengine.SkillEngine;
 import net.fretux.skillengine.capability.SkillEngineCapabilities;
+import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.world.entity.player.Player;
 import net.minecraftforge.event.TickEvent;
 import net.minecraftforge.event.entity.player.PlayerEvent;
@@ -61,6 +62,7 @@ public class AscendCompatHandler {
                 int pointsToGive = levelsGained * SKILL_POINTS_PER_ASCEND_LEVEL;
                 player.getCapability(SkillEngineCapabilities.PLAYER_SKILLS).ifPresent(skillData -> {
                     skillData.addSkillPoints(pointsToGive);
+                    skillData.sync((ServerPlayer) player);
                 });
             }
             LAST_ASCEND_LEVEL.put(player.getUUID(), currentLevel);

src/main/java/net/fretux/skillengine/network/ServerboundUnlockNodePacket.java

@@ -12,7 +12,6 @@ import net.minecraft.server.level.ServerPlayer;
 import net.minecraftforge.network.NetworkEvent;
 import net.minecraftforge.network.PacketDistributor;
 
-import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.function.Supplier;
 
 public class ServerboundUnlockNodePacket {
@@ -32,16 +31,11 @@ public class ServerboundUnlockNodePacket {
 
     public static void handle(ServerboundUnlockNodePacket msg, Supplier<NetworkEvent.Context> ctx) {
         ctx.get().enqueueWork(() -> {
-
             ServerPlayer player = ctx.get().getSender();
             if (player == null) return;
-
             SkillNode node = SkillNodeRegistry.get(msg.nodeId);
             AbilityNode ability = AbilityNodeRegistry.get(msg.nodeId);
-
             player.getCapability(SkillEngineCapabilities.PLAYER_SKILLS).ifPresent(data -> {
-
-                // === SKILL NODE UNLOCK ===
                 if (node != null) {
                     if (canUnlockSkillNode(player, data, node)) {
                         data.unlockNode(node);
@@ -55,8 +49,6 @@ public class ServerboundUnlockNodePacket {
                     }
                     return;
                 }
-
-                // === ABILITY NODE UNLOCK ===
                 if (ability != null) {
                     if (canUnlockAbility(player, data, ability)) {
                         data.unlockAbility(ability);
@@ -73,20 +65,41 @@ public class ServerboundUnlockNodePacket {
         });
         ctx.get().setPacketHandled(true);
     }
-    
+
     private static boolean canUnlockSkillNode(ServerPlayer player, PlayerSkillData data, SkillNode node) {
-        if (data.isUnlocked(node.getId())) return false;
+        if (data.isUnlocked(node.getId())) {
-        if (data.getSkillPoints() < node.getCost()) return false;
+            SkillEngine.LOGGER.debug("cannot unlock {}: already unlocked", node.getId());
+            return false;
+        }
+        if (data.getSkillPoints() < node.getCost()) {
+            SkillEngine.LOGGER.debug("cannot unlock {}: not enough points (have {}, need {})",
+                    node.getId(), data.getSkillPoints(), node.getCost());
+            return false;
+        }
         for (ResourceLocation ex : node.getExclusiveWith()) {
-            if (data.isUnlocked(ex)) return false;
+            if (data.isUnlocked(ex)) {
+                SkillEngine.LOGGER.debug("cannot unlock {}: mutually exclusive with {} which is already unlocked",
+                        node.getId(), ex);
+                return false;
+            }
         }
         for (ResourceLocation parent : node.getLinks()) {
-            if (!data.isUnlocked(parent)) return false;
+            if (!data.isUnlocked(parent)) {
+                SkillEngine.LOGGER.debug("cannot unlock {}: parent {} is not unlocked",
+                        node.getId(), parent);
+                return false;
+            }
         }
         PlayerStats stats = player.getCapability(PlayerStatsProvider.PLAYER_STATS).orElse(null);
-        if (stats == null) return false;
+        if (stats == null) {
+            SkillEngine.LOGGER.debug("cannot unlock {}: no PlayerStats capability", node.getId());
+            return false;
+        }
         for (var e : node.getPrereqAttributes().entrySet()) {
-            if (stats.getAttributeLevel(e.getKey()) < e.getValue()) {
+            int current = stats.getAttributeLevel(e.getKey());
+            if (current < e.getValue()) {
+                SkillEngine.LOGGER.debug("cannot unlock {}: attribute {} is {}/{}",
+                        node.getId(), e.getKey(), current, e.getValue());
                 return false;
             }
         }