Copy some files from Grasscutter-Quests

NOT completely finished, nor is it completely done. Protocol issues remain! (including lack of packet IDs)

src/main/java/emu/grasscutter/data/excels/avatar/AvatarPromoteData.java

@@ -0,0 +1,74 @@
+package emu.grasscutter.data.excels.avatar;
+
+import emu.grasscutter.data.GameResource;
+import emu.grasscutter.data.ResourceType;
+import emu.grasscutter.data.common.FightPropData;
+import emu.grasscutter.data.common.ItemParamData;
+import java.util.ArrayList;
+
+@ResourceType(name = "AvatarPromoteExcelConfigData.json")
+public class AvatarPromoteData extends GameResource {
+
+    private int avatarPromoteId;
+    private int promoteLevel;
+    private int scoinCost;
+    private ItemParamData[] costItems;
+    private int unlockMaxLevel;
+    private FightPropData[] addProps;
+    private int requiredPlayerLevel;
+
+    @Override
+    public int getId() {
+        return (avatarPromoteId << 8) + promoteLevel;
+    }
+
+    public int getAvatarPromoteId() {
+        return avatarPromoteId;
+    }
+
+    public int getPromoteLevel() {
+        return promoteLevel;
+    }
+
+    public ItemParamData[] getCostItems() {
+        return costItems;
+    }
+
+    public int getCoinCost() {
+        return scoinCost;
+    }
+
+    public FightPropData[] getAddProps() {
+        return addProps;
+    }
+
+    public int getUnlockMaxLevel() {
+        return unlockMaxLevel;
+    }
+
+    public int getRequiredPlayerLevel() {
+        return requiredPlayerLevel;
+    }
+
+    @Override
+    public void onLoad() {
+        // Trim item params
+        ArrayList<ItemParamData> trim = new ArrayList<>(getAddProps().length);
+        for (ItemParamData itemParam : getCostItems()) {
+            if (itemParam.getId() == 0) {
+                continue;
+            }
+            trim.add(itemParam);
+        }
+        this.costItems = trim.toArray(new ItemParamData[trim.size()]);
+        // Trim fight prop data (just in case)
+        ArrayList<FightPropData> parsed = new ArrayList<>(getAddProps().length);
+        for (FightPropData prop : getAddProps()) {
+            if (prop.getPropType() != null && prop.getValue() != 0f) {
+                prop.onLoad();
+                parsed.add(prop);
+            }
+        }
+        this.addProps = parsed.toArray(new FightPropData[parsed.size()]);
+    }
+}