Implement gacha banners (not newbie)

src/main/java/emu/nebula/game/inventory/Inventory.java

@@ -207,7 +207,7 @@ public class Inventory extends PlayerManager {
         }
         
         // Add items
-        for (var param : params.getEntrySet()) {
+        for (var param : params.entries()) {
             this.addItem(param.getIntKey(), param.getIntValue(), changes);
         }
         
@@ -242,7 +242,7 @@ public class Inventory extends PlayerManager {
         }
         
         // Remove items
-        for (var param : params.getEntrySet()) {
+        for (var param : params.entries()) {
             this.removeItem(param.getIntKey(), param.getIntValue(), changes);
         }
         
@@ -293,7 +293,7 @@ public class Inventory extends PlayerManager {
     public synchronized boolean verifyItems(ItemParamMap params) {
         boolean hasItems = true;
         
-        for (var param : params.getEntrySet()) {
+        for (var param : params.entries()) {
             hasItems = this.verifyItem(param.getIntKey(), param.getIntValue());
             
             if (!hasItems) {

src/main/java/emu/nebula/game/inventory/ItemAcquireMap.java

@@ -0,0 +1,92 @@
+package emu.nebula.game.inventory;
+
+import emu.nebula.data.GameData;
+import emu.nebula.game.player.Player;
+import emu.nebula.proto.Public.AcqInfo;
+import emu.nebula.proto.Public.Acquire;
+
+import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
+import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
+import it.unimi.dsi.fastutil.ints.IntList;
+
+import lombok.Getter;
+
+@Getter
+public class ItemAcquireMap {
+    private final Int2ObjectMap<ItemAcquireParam> items;
+    
+    public ItemAcquireMap(Player player, IntList list) {
+        this.items = new Int2ObjectOpenHashMap<>();
+        
+        for (int id : list) {
+            // Get item data
+            var data = GameData.getItemDataTable().get(id);
+            if (data == null) {
+                continue;
+            }
+            
+            // Add to acquire map
+            if (!this.getItems().containsKey(id)) {
+                // Get starting count
+                int count = 0;
+                
+                // Check item type
+                if (data.getItemType() == ItemType.Char) {
+                    var character = player.getCharacters().getCharacterById(id);
+                    
+                    if (character != null) {
+                        count = 1;
+                    }
+                } else if (data.getItemType() == ItemType.Disc) {
+                    var disc = player.getCharacters().getDiscById(id);
+                    
+                    if (disc != null) {
+                        count = 1;
+                        count += disc.getStar();
+                        count += player.getInventory().getItemCount(disc.getData().getTransformItemId());
+                    }
+                }
+                
+                var acquireInfo = new ItemAcquireParam(data.getItemType(), count);
+                acquireInfo.add();
+                
+                this.getItems().put(id, acquireInfo);
+            } else {
+                this.getItems().get(id).add();
+            }
+        }
+    }
+    
+    // Proto
+    
+    public Acquire toProto() {
+        var proto = Acquire.newInstance();
+        
+        for (var entry : this.items.int2ObjectEntrySet()) {
+            var a = AcqInfo.newInstance()
+                    .setTid(entry.getIntKey())
+                    .setBegin(entry.getValue().getBegin())
+                    .setCount(entry.getValue().getCount());
+            
+            proto.addList(a);
+        }
+        
+        return proto;
+    }
+    
+    @Getter
+    public static class ItemAcquireParam {
+        private ItemType type;
+        private int begin;
+        private int count;
+
+        public ItemAcquireParam(ItemType type, int i) {
+            this.type = type;
+            this.begin = i;
+        }
+        
+        public void add() {
+            this.count++;
+        }
+    }
+}

src/main/java/emu/nebula/game/inventory/ItemParamMap.java

@@ -7,15 +7,13 @@ import java.util.stream.Stream;
 import emu.nebula.proto.Public.Item;
 import emu.nebula.proto.Public.ItemInfo;
 import emu.nebula.proto.Public.ItemTpl;
-import it.unimi.dsi.fastutil.ints.Int2IntOpenHashMap;
+
+import it.unimi.dsi.fastutil.ints.Int2IntLinkedOpenHashMap;
+
 import us.hebi.quickbuf.RepeatedMessage;
 
-public class ItemParamMap extends Int2IntOpenHashMap {
+public class ItemParamMap extends Int2IntLinkedOpenHashMap {
     private static final long serialVersionUID = -4186524272780523459L;
-
-    public FastEntrySet entries() {
-        return this.int2IntEntrySet();
-    }
     
     @Override @Deprecated
     public int addTo(int itemId, int count) {
@@ -55,9 +53,7 @@ public class ItemParamMap extends Int2IntOpenHashMap {
         return params;
     }
     
-    //
-    
-    public FastEntrySet getEntrySet() {
+    public FastEntrySet entries() {
         return this.int2IntEntrySet();
     }
     
@@ -74,13 +70,13 @@ public class ItemParamMap extends Int2IntOpenHashMap {
     }
 
     public Stream<ItemTpl> toItemTemplateStream() {
-        return getEntrySet()
+        return entries()
                 .stream()
                 .map(e -> ItemTpl.newInstance().setTid(e.getIntKey()).setQty(e.getIntValue()));
     }
     
     public Stream<Item> toItemProtoStream() {
-        return getEntrySet()
+        return entries()
                 .stream()
                 .map(e -> Item.newInstance().setTid(e.getIntKey()).setQty(e.getIntValue()));
     }