Remove json, implement mutual exclusives, adjustments & fix bugs

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

@@ -23,12 +23,6 @@ public class PlayerSkillData {
     public boolean isUnlocked(ResourceLocation nodeId) {
         return unlockedNodes.contains(nodeId);
     }
-    public boolean hasTag(ResourceLocation tag) {
-        return activeTags.contains(tag);
-    }
-    public Set<ResourceLocation> getActiveTags() {
-        return activeTags;
-    }
     private final ResourceLocation[] abilitySlots = new ResourceLocation[3];
 
 
@@ -57,10 +51,10 @@ public class PlayerSkillData {
         }
         tag.put("Tags", tagList);
         ListTag abilityList = new ListTag();
-        for (int i = 0; i < abilitySlots.length; i++) {
+        for (ResourceLocation abilitySlot : abilitySlots) {
             CompoundTag t = new CompoundTag();
-            if (abilitySlots[i] != null) {
+            if (abilitySlot != null) {
-                t.putString("Id", abilitySlots[i].toString());
+                t.putString("Id", abilitySlot.toString());
             } else {
                 t.putString("Id", "");
             }
@@ -130,9 +124,12 @@ public class PlayerSkillData {
     }
 
     public void bindAbility(int slot, ResourceLocation abilityId) {
+        bindHelperFunc(slot, abilityId, abilitySlots);
+    }
+
+    public static void bindHelperFunc(int slot, ResourceLocation abilityId, ResourceLocation[] abilitySlots) {
         int index = slot - 1;
         if (index < 0 || index >= abilitySlots.length) return;
-        // Ensure the same ability is not present in multiple slots
         if (abilityId != null) {
             for (int i = 0; i < abilitySlots.length; i++) {
                 if (abilityId.equals(abilitySlots[i])) {
@@ -143,12 +140,6 @@ public class PlayerSkillData {
         abilitySlots[index] = abilityId;
     }
 
-    public ResourceLocation getAbilityInSlot(int slot) {
-        int index = slot - 1;
-        if (index < 0 || index >= abilitySlots.length) return null;
-        return abilitySlots[index];
-    }
-
     public ResourceLocation[] getAbilitySlots() {
         return abilitySlots.clone();
     }

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

@@ -9,9 +9,7 @@ import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 public class PlayerSkillProvider implements ICapabilityProvider, ICapabilitySerializable<CompoundTag> {
-
     public static final ResourceLocation ID = new ResourceLocation("skillengine", "player_skill_data");
-
     private final PlayerSkillData backend = new PlayerSkillData();
     private final LazyOptional<PlayerSkillData> optional = LazyOptional.of(() -> backend);
 

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

@@ -19,7 +19,7 @@ public class SkillEngineCapabilities {
 
     @SubscribeEvent
     public static void onAttachCapabilities(AttachCapabilitiesEvent<Entity> event) {
-        if (event.getObject() instanceof Player player) {
+        if (event.getObject() instanceof Player) {
             SkillEngine.LOGGER.info("Attaching PlayerSkillData capability");
             event.addCapability(
                     new ResourceLocation(SkillEngine.MODID, "player_skill_data"),

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

@@ -10,6 +10,7 @@ import net.minecraft.client.gui.components.Button;
 import net.minecraft.client.gui.screens.Screen;
 import net.minecraft.network.chat.Component;
 import net.minecraft.resources.ResourceLocation;
+import org.jetbrains.annotations.NotNull;
 
 public class AbilityBindingScreen extends Screen {
 
@@ -74,7 +75,7 @@ public class AbilityBindingScreen extends Screen {
     }
 
     @Override
-    public void render(GuiGraphics gfx, int mouseX, int mouseY, float partialTick) {
+    public void render(@NotNull GuiGraphics gfx, int mouseX, int mouseY, float partialTick) {
         this.renderBackground(gfx);
         int x = (width - PANEL_WIDTH) / 2;
         int y = (height - PANEL_HEIGHT) / 2;

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

@@ -10,19 +10,17 @@ import net.minecraft.client.gui.components.Button;
 import net.minecraft.client.gui.screens.Screen;
 import net.minecraft.network.chat.Component;
 import net.minecraft.resources.ResourceLocation;
+import org.jetbrains.annotations.NotNull;
 
 import java.util.ArrayList;
 import java.util.List;
 
 public class AbilitySelectScreen extends Screen {
-
     private final Screen parent;
-    private final int slot; // 1..3
+    private final int slot;
-
     private final List<AbilityNode> unlockedAbilities = new ArrayList<>();
     private int page = 0;
     private static final int PAGE_SIZE = 8;
-
     private static final int PANEL_WIDTH = 260;
     private static final int PANEL_HEIGHT = 220;
 
@@ -54,7 +52,6 @@ public class AbilitySelectScreen extends Screen {
         for (int i = start; i < end; i++) {
             AbilityNode node = unlockedAbilities.get(i);
             String label = node.getTitle().getString();
-            // Disable if already in this slot to avoid redundant bind
             boolean alreadyInThisSlot = SkilltreeClientState.getSlotOfAbility(node.getId()) == slot;
             Button btn = Button.builder(Component.literal(label), b -> select(node))
                     .pos(x + 15, rowY)
@@ -67,7 +64,6 @@ public class AbilitySelectScreen extends Screen {
             addRenderableWidget(btn);
             rowY += 24;
         }
-        // paging controls
         if (page > 0) {
             addRenderableWidget(Button.builder(Component.literal("< Prev"), b -> {
                 page--;
@@ -86,7 +82,6 @@ public class AbilitySelectScreen extends Screen {
 
     private void select(AbilityNode node) {
         ResourceLocation id = node.getId();
-        // optimistic client update, then send to server
         SkilltreeClientState.bindAbilityLocal(slot, id);
         PacketHandler.CHANNEL.sendToServer(new ServerboundBindAbilityPacket(id, slot));
         back();
@@ -107,7 +102,7 @@ public class AbilitySelectScreen extends Screen {
     }
 
     @Override
-    public void render(GuiGraphics gfx, int mouseX, int mouseY, float partialTick) {
+    public void render(@NotNull GuiGraphics gfx, int mouseX, int mouseY, float partialTick) {
         this.renderBackground(gfx);
         int x = (width - PANEL_WIDTH) / 2;
         int y = (height - PANEL_HEIGHT) / 2;

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

@@ -8,6 +8,7 @@ import net.minecraft.client.gui.components.Button;
 import net.minecraft.client.gui.screens.Screen;
 import net.minecraft.network.chat.Component;
 import net.minecraft.resources.ResourceLocation;
+import org.jetbrains.annotations.NotNull;
 
 public class AbilitySlotsScreen extends Screen {
     private static final int PANEL_WIDTH = 260;
@@ -24,7 +25,6 @@ public class AbilitySlotsScreen extends Screen {
         int buttonW = 80;
         int buttonH = 20;
         int buttonX = x + PANEL_WIDTH - buttonW - 15;
-
         // Y slot = 1
         addRenderableWidget(Button.builder(Component.literal("Rebind"), b -> openSelect(1))
                 .pos(buttonX, rowY).size(buttonW, buttonH).build());
@@ -34,7 +34,6 @@ public class AbilitySlotsScreen extends Screen {
         // C slot = 3
         addRenderableWidget(Button.builder(Component.literal("Rebind"), b -> openSelect(3))
                 .pos(buttonX, rowY + 70).size(buttonW, buttonH).build());
-
         addRenderableWidget(Button.builder(Component.literal("Close"), b -> onClose())
                 .pos(x + PANEL_WIDTH - 70, y + PANEL_HEIGHT - 28).size(60, 20).build());
     }
@@ -54,20 +53,17 @@ public class AbilitySlotsScreen extends Screen {
     }
 
     @Override
-    public void render(GuiGraphics gfx, int mouseX, int mouseY, float partialTick) {
+    public void render(@NotNull GuiGraphics gfx, int mouseX, int mouseY, float partialTick) {
         this.renderBackground(gfx);
         int x = (width - PANEL_WIDTH) / 2;
         int y = (height - PANEL_HEIGHT) / 2;
-
         gfx.fill(0, 0, width, height, 0xAA000000);
         gfx.fill(x, y, x + PANEL_WIDTH, y + PANEL_HEIGHT, 0xFF222222);
         gfx.drawCenteredString(font, Component.literal("Ability Slots"), x + PANEL_WIDTH / 2, y + 12, 0xFFFFFF);
-
         int rowY = y + 40;
         drawSlotRow(gfx, x + 15, rowY, 1, "Y");
         drawSlotRow(gfx, x + 15, rowY + 35, 2, "X");
         drawSlotRow(gfx, x + 15, rowY + 70, 3, "C");
-
         super.render(gfx, mouseX, mouseY, partialTick);
     }
 

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

@@ -11,6 +11,7 @@ import net.minecraftforge.fml.common.Mod;
         modid = SkillEngine.MODID,
         value = Dist.CLIENT
 )
+
 public class ClientEvents {
     @SubscribeEvent
     public static void onKeyInput(InputEvent.Key event) {

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

@@ -1,6 +1,7 @@
 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;
@@ -65,14 +66,7 @@ public class SkilltreeClientState {
     }
 
     public static void bindAbilityLocal(int slot, ResourceLocation abilityId) {
-        int index = slot - 1;
+        PlayerSkillData.bindHelperFunc(slot, abilityId, abilitySlots);
-        if (index < 0 || index >= abilitySlots.length) return;
-        if (abilityId != null) {
-            for (int i = 0; i < abilitySlots.length; i++) {
-                if (abilityId.equals(abilitySlots[i])) abilitySlots[i] = null;
-            }
-        }
-        abilitySlots[index] = abilityId;
     }
 
     public static void setAbilitySlots(ResourceLocation[] slots) {

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

@@ -17,33 +17,23 @@ import net.minecraft.network.chat.Component;
 import net.minecraft.network.chat.FormattedText;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.util.Mth;
+import org.jetbrains.annotations.NotNull;
 
 import java.util.ArrayList;
 import java.util.List;
 
 public class SkilltreeScreen extends Screen {
-
     private static final int NODE_RADIUS = 12;
     private static final int ABILITY_RADIUS = 12;
-
     private static final int OVERLAY_WIDTH = 240;
     private static final int OVERLAY_HEIGHT = 180;
     private static final int OVERLAY_CONTENT_HEIGHT = 160;
-
     private static final float ZOOM_STEP = 0.1f;
     private static final float LINE_THICKNESS = 2.0f;
-
     private float zoom = 1.0f;
-    private final float minZoom = 0.5f;
-    private final float maxZoom = 2.0f;
-
     private double panX = 0;
     private double panY = 0;
-
     private boolean dragging = false;
-    private double lastMouseX;
-    private double lastMouseY;
-
     private SkillNode hoveredNode = null;
     private SkillNode selectedNode = null;
     private AbilityNode hoveredAbility = null;
@@ -60,7 +50,9 @@ public class SkilltreeScreen extends Screen {
 
     @Override
     public boolean mouseScrolled(double mouseX, double mouseY, double delta) {
-        zoom += delta * ZOOM_STEP;
+        zoom += (float) (delta * ZOOM_STEP);
+        float minZoom = 0.5f;
+        float maxZoom = 2.0f;
         zoom = Mth.clamp(zoom, minZoom, maxZoom);
         return true;
     }
@@ -74,6 +66,7 @@ public class SkilltreeScreen extends Screen {
             SkillNode clickedNode = findNodeAt(mouseX, mouseY);
             if (clickedNode != null) {
                 if (isLockedByExclusivity(clickedNode)) {
+                    assert Minecraft.getInstance().player != null;
                     Minecraft.getInstance().player.playSound(
                             net.minecraft.sounds.SoundEvents.VILLAGER_NO, 1f, 1f
                     );
@@ -97,8 +90,6 @@ public class SkilltreeScreen extends Screen {
                 return true;
             }
             dragging = true;
-            lastMouseX = mouseX;
-            lastMouseY = mouseY;
         }
         return super.mouseClicked(mouseX, mouseY, button);
     }
@@ -125,7 +116,7 @@ public class SkilltreeScreen extends Screen {
     }
 
     @Override
-    public void render(GuiGraphics gfx, int mouseX, int mouseY, float partialTicks) {
+    public void render(@NotNull GuiGraphics gfx, int mouseX, int mouseY, float partialTicks) {
         this.renderBackground(gfx);
         renderSkillPointHeader(gfx);
         hoveredNode = findNodeAt(mouseX, mouseY);
@@ -244,6 +235,7 @@ public class SkilltreeScreen extends Screen {
         if (!node.getPrereqAttributes().isEmpty()) {
             tooltip.add(Component.literal("Requirements:")
                     .withStyle(ChatFormatting.GOLD));
+            assert Minecraft.getInstance().player != null;
             Minecraft.getInstance().player.getCapability(PlayerStatsProvider.PLAYER_STATS)
                     .ifPresent(stats -> node.getPrereqAttributes().forEach((attr, required) -> {
                         int current = stats.getAttributeLevel(attr);
@@ -287,6 +279,7 @@ public class SkilltreeScreen extends Screen {
                     0xFFFFFF
             );
             textY[0] += 12;
+            assert Minecraft.getInstance().player != null;
             Minecraft.getInstance().player.getCapability(PlayerStatsProvider.PLAYER_STATS)
                     .ifPresent(stats -> node.getPrereqAttributes().forEach((attr, required) -> {
                         int current = stats.getAttributeLevel(attr);

src/main/java/net/fretux/skillengine/events/SkillEnginePlayerEvents.java

@@ -14,17 +14,15 @@ import net.minecraftforge.network.PacketDistributor;
 public class SkillEnginePlayerEvents {
 
     private static void sync(ServerPlayer player) {
-        player.getCapability(SkillEngineCapabilities.PLAYER_SKILLS).ifPresent(data -> {
+        player.getCapability(SkillEngineCapabilities.PLAYER_SKILLS).ifPresent(data -> PacketHandler.CHANNEL.send(
-            PacketHandler.CHANNEL.send(
+                PacketDistributor.PLAYER.with(() -> player),
-                    PacketDistributor.PLAYER.with(() -> player),
+                new ClientboundSyncSkillsPacket(
-                    new ClientboundSyncSkillsPacket(
+                        data.getUnlockedNodes(),
-                            data.getUnlockedNodes(),
+                        data.getUnlockedAbilities(),
-                            data.getUnlockedAbilities(),
+                        data.getSkillPoints(),
-                            data.getSkillPoints(),
+                        data.getAbilitySlots()
-                            data.getAbilitySlots()
+                )
-                    )
+        ));
-            );
-        });
     }
 
     @SubscribeEvent

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

@@ -9,7 +9,6 @@ import net.fretux.skillengine.client.SkilltreeClientState;
 import java.util.function.Supplier;
 
 public class ClientboundNodeUnlockedPacket {
-
     private final ResourceLocation id;
     private final int newSkillPoints;
 

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

@@ -13,7 +13,7 @@ public class PacketHandler {
 
     private static final String PROTOCOL = "1";
     public static final SimpleChannel CHANNEL = NetworkRegistry.ChannelBuilder
-            .named(new ResourceLocation(SkillEngine.MODID, "network"))
+            .named(ResourceLocation.fromNamespaceAndPath(SkillEngine.MODID, "network"))
             .clientAcceptedVersions(PROTOCOL::equals)
             .serverAcceptedVersions(PROTOCOL::equals)
             .networkProtocolVersion(() -> PROTOCOL)

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

@@ -2,7 +2,6 @@ package net.fretux.skillengine.network;
 
 import net.fretux.skillengine.capability.SkillEngineCapabilities;
 import net.minecraft.server.level.ServerPlayer;
-import net.fretux.skillengine.network.PacketHandler;
 import net.minecraft.network.FriendlyByteBuf;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraftforge.network.NetworkEvent;
@@ -36,7 +35,6 @@ public class ServerboundBindAbilityPacket {
             player.getCapability(SkillEngineCapabilities.PLAYER_SKILLS).ifPresent(data ->
                 data.bindAbility(msg.slot, msg.abilityId)
             );
-            // Sync back to client so UI reflects updated bindings
             PacketHandler.syncSkillsTo(player);
         });
         ctx.get().setPacketHandled(true);

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

@@ -12,13 +12,10 @@ import net.minecraftforge.network.PacketDistributor;
 import java.util.function.Supplier;
 
 public class ServerboundUnlockNodePacket {
-
     private final ResourceLocation nodeId;
-
     public ServerboundUnlockNodePacket(ResourceLocation nodeId) {
         this.nodeId = nodeId;
     }
-
     public static void encode(ServerboundUnlockNodePacket msg, FriendlyByteBuf buf) {
         buf.writeResourceLocation(msg.nodeId);
     }
@@ -73,7 +70,6 @@ public class ServerboundUnlockNodePacket {
                 }
             });
         });
-
         ctx.get().setPacketHandled(true);
     }
 }

src/main/java/net/fretux/skillengine/skilltree/AbilityNodeLoader.java

@@ -13,6 +13,7 @@ import net.minecraft.util.profiling.ProfilerFiller;
 import net.minecraftforge.event.AddReloadListenerEvent;
 import net.minecraftforge.eventbus.api.SubscribeEvent;
 import net.minecraftforge.fml.common.Mod;
+import org.jetbrains.annotations.NotNull;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -34,38 +35,28 @@ public class AbilityNodeLoader extends SimpleJsonResourceReloadListener {
 
     @Override
     protected void apply(Map<ResourceLocation, JsonElement> jsons,
-                         ResourceManager resourceManager,
+                         @NotNull ResourceManager resourceManager,
-                         ProfilerFiller profiler) {
+                         @NotNull ProfilerFiller profiler) {
-
         SkillEngine.LOGGER.info("Loading ability nodes...");
-
         AbilityNodeRegistry.clear();
-
         jsons.forEach((id, json) -> {
             JsonObject obj = json.getAsJsonObject();
-
             Component title = Component.literal(obj.get("title").getAsString());
             Component description = Component.literal(obj.get("description").getAsString());
             JsonObject pos = obj.getAsJsonObject("position");
             float x = pos.get("x").getAsFloat();
             float y = pos.get("y").getAsFloat();
-
             List<ResourceLocation> links = new ArrayList<>();
             obj.getAsJsonArray("links").forEach(e ->
                     links.add(new ResourceLocation(e.getAsString())));
-
             List<ResourceLocation> tags = new ArrayList<>();
             obj.getAsJsonArray("tags").forEach(e ->
                     tags.add(new ResourceLocation(e.getAsString())));
-
             ResourceLocation icon = new ResourceLocation(obj.get("icon").getAsString());
-
             int cooldown = obj.has("cooldown") ? obj.get("cooldown").getAsInt() : 0;
-
             AbilityNode node = new AbilityNode(id, title, description, x, y, links, tags, icon, cooldown);
             AbilityNodeRegistry.put(node);
         });
-
         SkillEngine.LOGGER.info("Loaded {} active ability nodes", AbilityNodeRegistry.all().size());
     }
 }

src/main/java/net/fretux/skillengine/skilltree/AbilityNodeRegistry.java

@@ -7,21 +7,16 @@ import java.util.LinkedHashMap;
 import java.util.Map;
 
 public class AbilityNodeRegistry {
-
     private static final Map<ResourceLocation, AbilityNode> ABILITIES = new LinkedHashMap<>();
-
     public static void clear() {
         ABILITIES.clear();
     }
-
     public static void put(AbilityNode node) {
         ABILITIES.put(node.getId(), node);
     }
-
     public static AbilityNode get(ResourceLocation id) {
         return ABILITIES.get(id);
     }
-
     public static Collection<AbilityNode> all() {
         return ABILITIES.values();
     }

src/main/java/net/fretux/skillengine/skilltree/SkillNodeLoader.java

@@ -10,6 +10,7 @@ import net.minecraft.util.profiling.ProfilerFiller;
 import net.minecraftforge.event.AddReloadListenerEvent;
 import net.minecraftforge.eventbus.api.SubscribeEvent;
 import net.minecraftforge.fml.common.Mod;
+import org.jetbrains.annotations.NotNull;
 
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -32,8 +33,8 @@ public class SkillNodeLoader extends SimpleJsonResourceReloadListener {
 
     @Override
     protected void apply(Map<ResourceLocation, JsonElement> jsons,
-                         ResourceManager resourceManager,
+                         @NotNull ResourceManager resourceManager,
-                         ProfilerFiller profiler) {
+                         @NotNull ProfilerFiller profiler) {
         SkillEngine.LOGGER.info("Loading skill nodes...");
         SkillNodeRegistry.clear();
         jsons.forEach((id, element) -> {

src/main/resources/assets/skillengine/lang/en_us.json

@@ -0,0 +1,5 @@
+{
+  "key.skillengine.openskilltree": "Open Skilltree",
+  "key.skillengine.openabilities": "Open Ability Screen"
+}
+