完成妖怪名单的设计

src/main/java/com/github/tartaricacid/touhoulittlemaid/api/task/IAttackTask.java

@@ -1,14 +1,20 @@
 package com.github.tartaricacid.touhoulittlemaid.api.task;
 
 import com.github.tartaricacid.touhoulittlemaid.config.subconfig.MaidConfig;
+import com.github.tartaricacid.touhoulittlemaid.entity.misc.DefaultMonsterType;
+import com.github.tartaricacid.touhoulittlemaid.entity.misc.MonsterType;
 import com.github.tartaricacid.touhoulittlemaid.entity.passive.EntityMaid;
+import com.github.tartaricacid.touhoulittlemaid.init.InitItems;
+import com.github.tartaricacid.touhoulittlemaid.item.ItemMonsterList;
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.nbt.Tag;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.world.entity.Entity;
 import net.minecraft.world.entity.LivingEntity;
 import net.minecraft.world.entity.TamableAnimal;
 import net.minecraft.world.entity.ai.memory.MemoryModuleType;
-import net.minecraft.world.entity.monster.Enemy;
 import net.minecraft.world.entity.player.Player;
+import net.minecraft.world.item.ItemStack;
 import net.minecraftforge.registries.ForgeRegistries;
 
 import java.util.Optional;
@@ -25,18 +31,6 @@ static Optional<? extends LivingEntity> findFirstValidAttackTarget(EntityMaid ma
                 mobs -> mobs.findClosest((e) -> maid.canAttack(e) && maid.isWithinRestriction(e.blockPosition())));
     }
 
-    private static boolean checkCanAttackEntity(LivingEntity target) {
-        // 不能攻击玩家
-        if (target instanceof Player) {
-            return false;
-        }
-        // 有主的宠物也不攻击
-        if (target instanceof TamableAnimal tamableAnimal) {
-            return tamableAnimal.getOwnerUUID() == null;
-        }
-        return true;
-    }
-
     /**
      * 能否攻击该对象
      *
@@ -45,25 +39,41 @@ private static boolean checkCanAttackEntity(LivingEntity target) {
      * @return 能否攻击？
      */
     default boolean canAttack(EntityMaid maid, LivingEntity target) {
-        if (maid.getOwner() instanceof Player player) {
-            LivingEntity lastHurtByMob = player.getLastHurtByMob();
-            if (target.equals(lastHurtByMob) && checkCanAttackEntity(lastHurtByMob)) {
-                return true;
-            }
-            LivingEntity lastHurtMob = player.getLastHurtMob();
-            if (target.equals(lastHurtMob) && checkCanAttackEntity(lastHurtMob)) {
-                return true;
-            }
+        // 获取实体 ID
+        ResourceLocation location = ForgeRegistries.ENTITY_TYPES.getKey(target.getType());
+        if (location == null) {
+            return false;
         }
-        LivingEntity maidLastHurtByMob = maid.getLastHurtByMob();
-        if (target.equals(maidLastHurtByMob) && checkCanAttackEntity(maidLastHurtByMob)) {
-            return true;
+        String id = location.toString();
+
+        // 模组自身强制指定的
+        if (target instanceof Player) {
+            return false;
+        }
+        if (target instanceof TamableAnimal tamableAnimal) {
+            // 有主的宠物也不攻击
+            return tamableAnimal.getOwnerUUID() == null;
         }
-        ResourceLocation key = ForgeRegistries.ENTITY_TYPES.getKey(target.getType());
-        if (key != null && MaidConfig.MAID_ATTACK_IGNORE.get().contains(key.toString())) {
+
+        // 判断配置文件的
+        if (MaidConfig.MAID_ATTACK_IGNORE.get().contains(id)) {
             return false;
         }
-        return target instanceof Enemy;
+
+        // 获取女仆副手是否有妖怪名单
+        ItemStack offhandItem = maid.getOffhandItem();
+        if (offhandItem.is(InitItems.MONSTER_LIST.get())) {
+            CompoundTag monsterList = ItemMonsterList.getMonsterList(offhandItem);
+            if (monsterList.contains(id, Tag.TAG_INT)) {
+                int index = monsterList.getInt(id);
+                MonsterType monsterType = MonsterType.getTypeByIndex(index);
+                return DefaultMonsterType.canAttack(maid, target, monsterType);
+            }
+        }
+
+        // 那如果没有呢？走默认配置
+        MonsterType monsterType = DefaultMonsterType.getMonsterType(target.getType());
+        return DefaultMonsterType.canAttack(maid, target, monsterType);
     }
 
     default boolean hasExtraAttack(EntityMaid maid, Entity target) {

src/main/java/com/github/tartaricacid/touhoulittlemaid/client/gui/item/MonsterListScreen.java

@@ -0,0 +1,112 @@
+package com.github.tartaricacid.touhoulittlemaid.client.gui.item;
+
+import com.github.tartaricacid.touhoulittlemaid.client.gui.widget.button.FlatColorButton;
+import com.github.tartaricacid.touhoulittlemaid.entity.misc.DefaultMonsterType;
+import com.github.tartaricacid.touhoulittlemaid.entity.misc.MonsterType;
+import com.github.tartaricacid.touhoulittlemaid.network.NetworkHandler;
+import com.github.tartaricacid.touhoulittlemaid.network.message.SetMonsterListMessage;
+import com.google.common.collect.Maps;
+import com.mojang.blaze3d.vertex.PoseStack;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.gui.screens.Screen;
+import net.minecraft.network.chat.Component;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.world.entity.EntityType;
+import net.minecraft.world.item.ItemStack;
+import net.minecraftforge.registries.ForgeRegistries;
+import org.apache.commons.lang3.StringUtils;
+
+import java.util.List;
+import java.util.Map;
+
+public class MonsterListScreen extends Screen {
+    private static final int PER_MAX_COUNT = 10;
+
+    private final Map<EntityType<?>, MonsterType> monsterList;
+    private final List<EntityType<?>> monsterListIndex;
+
+    private int page = 0;
+    private int posX;
+    private int posY;
+
+    public MonsterListScreen(ItemStack stack) {
+        super(Component.literal("Monster List Screen"));
+        this.monsterList = DefaultMonsterType.getMonsterList(stack, Minecraft.getInstance().level);
+        this.monsterListIndex = this.monsterList.keySet().stream().toList();
+    }
+
+    @Override
+    protected void init() {
+        this.clearWidgets();
+
+        this.posX = this.width / 2;
+        this.posY = this.height / 2;
+
+        int startY = posY - 16 * PER_MAX_COUNT / 2 - 8;
+        int size = this.monsterListIndex.size();
+        for (int i = 0; i < PER_MAX_COUNT; i++) {
+            final int index = page * PER_MAX_COUNT + i;
+            if (index >= size) {
+                break;
+            }
+
+            EntityType<?> entityType = this.monsterListIndex.get(index);
+            MonsterType monsterType = this.monsterList.get(entityType);
+            Component text = monsterType.getComponent()
+                    .copy()
+                    .append(StringUtils.SPACE)
+                    .append(entityType.getDescription());
+
+            FlatColorButton button = new FlatColorButton(posX - 100, startY, 200, 14, text, b -> {
+                MonsterType next = monsterType.getNext();
+                this.monsterList.put(entityType, next);
+                this.init();
+            });
+
+            this.addRenderableWidget(button);
+            startY += 16;
+        }
+
+        startY = posY + 16 * PER_MAX_COUNT / 2 - 8;
+        this.addRenderableWidget(new FlatColorButton(posX - 100, startY, 28, 14, Component.literal("<"), b -> {
+            if (this.page > 0) {
+                this.page--;
+                this.init();
+            }
+        }));
+
+        this.addRenderableWidget(new FlatColorButton(posX + 100 - 28, startY, 28, 14, Component.literal(">"), b -> {
+            int nextStartIndex = (this.page + 1) * PER_MAX_COUNT;
+            if (nextStartIndex < this.monsterListIndex.size()) {
+                this.page++;
+                this.init();
+            }
+        }));
+    }
+
+    @Override
+    public void render(PoseStack poseStack, int mouseX, int mouseY, float partialTick) {
+        this.renderBackground(poseStack);
+        super.render(poseStack, mouseX, mouseY, partialTick);
+
+        String pageText = String.format("%d/%d", page + 1, this.monsterListIndex.size() / PER_MAX_COUNT + 1);
+        int startY = posY + 16 * PER_MAX_COUNT / 2 - 5;
+        drawCenteredString(poseStack, font, pageText, this.posX, startY, 0xFFFFFF);
+    }
+
+    @Override
+    public void onClose() {
+        Map<ResourceLocation, MonsterType> monsterListOutput = Maps.newHashMap();
+        this.monsterList.forEach((type, monsterType) -> {
+            ResourceLocation key = ForgeRegistries.ENTITY_TYPES.getKey(type);
+            monsterListOutput.put(key, monsterType);
+        });
+        NetworkHandler.CHANNEL.sendToServer(new SetMonsterListMessage(monsterListOutput));
+        super.onClose();
+    }
+
+    @Override
+    public boolean isPauseScreen() {
+        return false;
+    }
+}

src/main/java/com/github/tartaricacid/touhoulittlemaid/entity/misc/DefaultMonsterType.java

@@ -0,0 +1,127 @@
+package com.github.tartaricacid.touhoulittlemaid.entity.misc;
+
+import com.github.tartaricacid.touhoulittlemaid.entity.item.AbstractEntityFromItem;
+import com.github.tartaricacid.touhoulittlemaid.entity.passive.EntityMaid;
+import com.github.tartaricacid.touhoulittlemaid.init.InitItems;
+import com.github.tartaricacid.touhoulittlemaid.item.ItemMonsterList;
+import com.google.common.collect.Maps;
+import net.minecraft.nbt.CompoundTag;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.world.entity.Entity;
+import net.minecraft.world.entity.EntityType;
+import net.minecraft.world.entity.LivingEntity;
+import net.minecraft.world.entity.TamableAnimal;
+import net.minecraft.world.entity.decoration.ArmorStand;
+import net.minecraft.world.entity.monster.Enemy;
+import net.minecraft.world.entity.npc.Npc;
+import net.minecraft.world.entity.player.Player;
+import net.minecraft.world.item.ItemStack;
+import net.minecraft.world.level.Level;
+import net.minecraftforge.registries.ForgeRegistries;
+
+import javax.annotation.Nullable;
+import java.util.Map;
+
+public final class DefaultMonsterType {
+    private final static Map<EntityType<?>, MonsterType> DEFAULT = Maps.newHashMap();
+
+    public static void initDefault(Level level) {
+        // 只允许初始化一次
+        if (!DEFAULT.isEmpty()) {
+            return;
+        }
+
+        ForgeRegistries.ENTITY_TYPES.getValues().forEach(type -> {
+            Entity entity = type.create(level);
+            if (!(entity instanceof LivingEntity livingEntity)) {
+                return;
+            }
+
+            // 排除一些盔甲架，还有本模组的实体，以及玩家
+            if (livingEntity instanceof ArmorStand || livingEntity instanceof AbstractEntityFromItem || livingEntity instanceof Player) {
+                return;
+            }
+
+            // 如果继承了 Enemy 接口，那就是敌对生物
+            if (livingEntity instanceof Enemy) {
+                DEFAULT.putIfAbsent(type, MonsterType.HOSTILE);
+                return;
+            }
+
+            // 如果是玩家、宠物、NPC、归为友好
+            if (livingEntity instanceof TamableAnimal || livingEntity instanceof Npc) {
+                DEFAULT.putIfAbsent(type, MonsterType.FRIENDLY);
+                return;
+            }
+
+            // 否则归为中立
+            DEFAULT.putIfAbsent(type, MonsterType.NEUTRAL);
+        });
+    }
+
+    public static Map<EntityType<?>, MonsterType> getMonsterList(ItemStack stack, @Nullable Level level) {
+        Map<EntityType<?>, MonsterType> output = Maps.newHashMap();
+
+        if (level == null || stack.getItem() != InitItems.MONSTER_LIST.get()) {
+            return output;
+        }
+
+        // 先从物品里读取数据
+        CompoundTag monsterList = ItemMonsterList.getMonsterList(stack);
+        monsterList.getAllKeys().forEach(key -> readTagData(key, monsterList, output));
+
+        // 最后补齐默认数据
+        DEFAULT.forEach(output::putIfAbsent);
+
+        return output;
+    }
+
+    public static MonsterType getMonsterType(EntityType<?> entityType) {
+        return DEFAULT.getOrDefault(entityType, MonsterType.NEUTRAL);
+    }
+
+    public static boolean canAttack(EntityMaid maid, LivingEntity target, MonsterType monsterType) {
+        // 友好生物，无论什么情况不攻击
+        if (monsterType == MonsterType.FRIENDLY) {
+            return true;
+        }
+
+        // 中立生物，只有玩家攻击的，或者攻击过玩家的才会攻击
+        if (monsterType == MonsterType.NEUTRAL) {
+            return checkNeutral(maid, target);
+        }
+
+        // 其他的，那只有敌对了，攻击
+        return true;
+    }
+
+    private static void readTagData(String key, CompoundTag monsterList, Map<EntityType<?>, MonsterType> output) {
+        int index = monsterList.getInt(key);
+        MonsterType monsterType = MonsterType.getTypeByIndex(index);
+        ResourceLocation id = new ResourceLocation(key);
+        EntityType<?> entityType = ForgeRegistries.ENTITY_TYPES.getValue(id);
+        if (entityType != null) {
+            output.put(entityType, monsterType);
+        }
+    }
+
+    private static boolean checkNeutral(EntityMaid maid, LivingEntity target) {
+        // 先判断主人
+        if (maid.getOwner() instanceof Player player) {
+            // 获取攻击主人的生物
+            LivingEntity lastHurtByMob = player.getLastHurtByMob();
+            if (target.equals(lastHurtByMob)) {
+                return true;
+            }
+            // 获取主人攻击过的生物
+            LivingEntity lastHurtMob = player.getLastHurtMob();
+            if (target.equals(lastHurtMob)) {
+                return true;
+            }
+        }
+
+        // 再判断女仆自身被攻击的
+        LivingEntity maidLastHurtByMob = maid.getLastHurtByMob();
+        return target.equals(maidLastHurtByMob);
+    }
+}

src/main/java/com/github/tartaricacid/touhoulittlemaid/entity/misc/MonsterType.java

@@ -0,0 +1,33 @@
+package com.github.tartaricacid.touhoulittlemaid.entity.misc;
+
+import net.minecraft.network.chat.Component;
+import net.minecraft.network.chat.MutableComponent;
+
+import java.util.Locale;
+
+public enum MonsterType {
+    FRIENDLY,
+    NEUTRAL,
+    HOSTILE;
+
+    private final MutableComponent component;
+
+    MonsterType() {
+        this.component = Component.translatable("gui.touhou_little_maid.monster_type." + this.name().toLowerCase(Locale.ENGLISH));
+    }
+
+    public static MonsterType getTypeByIndex(int index) {
+        int length = MonsterType.values().length;
+        return MonsterType.values()[Math.min(index, length - 1)];
+    }
+
+    public MonsterType getNext() {
+        int ordinal = this.ordinal();
+        int length = MonsterType.values().length;
+        return MonsterType.values()[(ordinal + 1) % length];
+    }
+
+    public MutableComponent getComponent() {
+        return component;
+    }
+}

src/main/java/com/github/tartaricacid/touhoulittlemaid/event/LevelLoadEvent.java

@@ -0,0 +1,20 @@
+package com.github.tartaricacid.touhoulittlemaid.event;
+
+import com.github.tartaricacid.touhoulittlemaid.TouhouLittleMaid;
+import com.github.tartaricacid.touhoulittlemaid.entity.misc.DefaultMonsterType;
+import net.minecraft.world.level.Level;
+import net.minecraft.world.level.LevelAccessor;
+import net.minecraftforge.event.level.LevelEvent;
+import net.minecraftforge.eventbus.api.SubscribeEvent;
+import net.minecraftforge.fml.common.Mod;
+
+@Mod.EventBusSubscriber(modid = TouhouLittleMaid.MOD_ID)
+public class LevelLoadEvent {
+    @SubscribeEvent
+    public static void onLevelLoadEvent(LevelEvent.Load event) {
+        LevelAccessor levelAccessor = event.getLevel();
+        if (levelAccessor instanceof Level level) {
+            DefaultMonsterType.initDefault(level);
+        }
+    }
+}