Start adding a chest gui system

src/main/java/dev/zontreck/libzontreck/chestgui/ChestGUI.java

@@ -0,0 +1,90 @@
+package dev.zontreck.libzontreck.chestgui;
+
+import dev.zontreck.libzontreck.LibZontreck;
+import dev.zontreck.libzontreck.networking.packets.ChestGUIOpenC2S;
+import dev.zontreck.libzontreck.vectors.Vector2;
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.nbt.ListTag;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.world.item.Item;
+import net.minecraftforge.fml.LogicalSide;
+import net.minecraftforge.items.ItemStackHandler;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.UUID;
+
+public class ChestGUI
+{
+    private ItemStackHandler container = new ItemStackHandler((9*3));
+    private String MenuTitle;
+    private UUID player;
+    private List<ChestGUIButton> buttons = new ArrayList<>();
+    private ResourceLocation id;
+    public ChestGUI withButton(ChestGUIButton button)
+    {
+        buttons.add(button);
+        container.setStackInSlot(button.getSlotNum(), button.buildIcon());
+
+        return this;
+    }
+
+    public ChestGUI withTitle(String title)
+    {
+        MenuTitle = title;
+
+        return this;
+    }
+
+    public static ChestGUI builder()
+    {
+        return new ChestGUI();
+    }
+
+    public ChestGUI withPlayer(UUID id)
+    {
+        player=id;
+        return this;
+    }
+
+    /**
+     * Open the GUI on the client
+     */
+    public void open()
+    {
+        if(LibZontreck.CURRENT_SIDE == LogicalSide.SERVER)
+        {
+
+        }
+    }
+
+    public boolean isPlayer(UUID ID)
+    {
+        return player.equals(ID);
+    }
+
+    public ChestGUI withGUIId(ResourceLocation id)
+    {
+        this.id = id;
+        return this;
+    }
+
+    public boolean matches(ResourceLocation id)
+    {
+        return this.id.equals(id);
+    }
+
+    public void handleButtonClicked(int slot, Vector2 pos, Item item) {
+        for(ChestGUIButton button : buttons)
+        {
+            if(button.getSlotNum() == slot)
+            {
+                if(button.buildIcon().getItem() == item)
+                {
+                    button.clicked();
+                    return;
+                }
+            }
+        }
+    }
+}