实现子弹模组的穿甲效果，添加银弹

src/main/java/net/mcreator/superbwarfare/entity/ProjectileEntity.java

@@ -32,6 +32,7 @@ import net.minecraft.world.effect.MobEffects;
 import net.minecraft.world.entity.Entity;
 import net.minecraft.world.entity.EntityType;
 import net.minecraft.world.entity.LivingEntity;
+import net.minecraft.world.entity.MobType;
 import net.minecraft.world.entity.monster.Monster;
 import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.level.ClipContext;
@@ -82,6 +83,7 @@ public class ProjectileEntity extends Entity implements IEntityAdditionalSpawnDa
     private boolean beast = false;
     private boolean zoom = false;
     private float bypassArmorRate = 0.0f;
+    private float undeadMultiple = 1.0f;
 
     public ProjectileEntity(EntityType<? extends ProjectileEntity> p_i50159_1_, Level p_i50159_2_) {
         super(p_i50159_1_, p_i50159_2_);
@@ -95,46 +97,6 @@ public class ProjectileEntity extends Entity implements IEntityAdditionalSpawnDa
         super(ModEntities.PROJECTILE.get(), world);
     }
 
-    public ProjectileEntity shooter(LivingEntity shooter) {
-        this.shooter = shooter;
-        return this;
-    }
-
-    public ProjectileEntity damage(float damage) {
-        this.damage = damage;
-        return this;
-    }
-
-    public ProjectileEntity headShot(float headShot) {
-        this.headShot = headShot;
-        return this;
-    }
-
-    public ProjectileEntity monsterMultiple(int monsterMultiple) {
-        this.monsterMultiple = monsterMultiple;
-        return this;
-    }
-
-    public ProjectileEntity legShot(float legShot) {
-        this.legShot = legShot;
-        return this;
-    }
-
-    public ProjectileEntity beast() {
-        this.beast = true;
-        return this;
-    }
-
-    public ProjectileEntity zoom(boolean zoom) {
-        this.zoom = zoom;
-        return this;
-    }
-
-    public ProjectileEntity bypassArmorRate(float bypassArmorRate) {
-        this.bypassArmorRate = bypassArmorRate;
-        return this;
-    }
-
     @Nullable
     protected EntityResult findEntityOnPath(Vec3 startVec, Vec3 endVec) {
         Vec3 hitVec = null;
@@ -237,7 +199,7 @@ public class ProjectileEntity extends Entity implements IEntityAdditionalSpawnDa
                 || entity instanceof Mle1934Entity
                 || entity instanceof Mk42Entity
                 || entity instanceof DroneEntity
-                )) {
+        )) {
             headshot = true;
         }
         if (hitBoxPos.y < (0.33 * BodyHeight) && !(entity instanceof ClaymoreEntity
@@ -414,6 +376,14 @@ public class ProjectileEntity extends Entity implements IEntityAdditionalSpawnDa
             return;
         }
 
+        if (entity instanceof Monster) {
+            this.damage *= mMultiple;
+        }
+
+        if (entity instanceof LivingEntity living && living.getMobType() == MobType.UNDEAD) {
+            this.damage *= this.undeadMultiple;
+        }
+
         if (headshot) {
             if (!this.shooter.level().isClientSide() && this.shooter instanceof ServerPlayer player) {
                 var holder = Holder.direct(ModSounds.HEADSHOT.get());
@@ -421,33 +391,8 @@ public class ProjectileEntity extends Entity implements IEntityAdditionalSpawnDa
 
                 ModUtils.PACKET_HANDLER.send(PacketDistributor.PLAYER.with(() -> player), new ClientIndicatorMessage(1, 5));
             }
-            if (entity instanceof Monster monster) {
-                performDamage(monster, this.damage * mMultiple, true);
-            } else {
-                performDamage(entity, this.damage, true);
-            }
-        } else if (legShot) {
-            if (!this.shooter.level().isClientSide() && this.shooter instanceof ServerPlayer player) {
-                var holder = Holder.direct(ModSounds.INDICATION.get());
-                player.connection.send(new ClientboundSoundPacket(holder, SoundSource.PLAYERS, player.getX(), player.getY(), player.getZ(), 1f, 1f, player.level().random.nextLong()));
 
-                ModUtils.PACKET_HANDLER.send(PacketDistributor.PLAYER.with(() -> player), new ClientIndicatorMessage(0, 5));
+            performDamage(entity, this.damage, true);
-            }
-
-            if (entity instanceof Monster monster) {
-                performDamage(monster, this.damage * mMultiple * this.legShot, false);
-            } else {
-                performDamage(entity, this.damage * this.legShot, false);
-            }
-
-            if (entity instanceof LivingEntity living) {
-                if (living instanceof Player player && player.isCreative()) {
-                    return;
-                }
-                if (!living.level().isClientSide()) {
-                    living.addEffect(new MobEffectInstance(MobEffects.MOVEMENT_SLOWDOWN, 20, 2, false, false));
-                }
-            }
         } else {
             if (!this.shooter.level().isClientSide() && this.shooter instanceof ServerPlayer player) {
                 var holder = Holder.direct(ModSounds.INDICATION.get());
@@ -456,11 +401,19 @@ public class ProjectileEntity extends Entity implements IEntityAdditionalSpawnDa
                 ModUtils.PACKET_HANDLER.send(PacketDistributor.PLAYER.with(() -> player), new ClientIndicatorMessage(0, 5));
             }
 
-            if (entity instanceof Monster monster) {
+            if (legShot) {
-                performDamage(monster, this.damage * mMultiple, false);
+                if (entity instanceof LivingEntity living) {
-            } else {
+                    if (living instanceof Player player && player.isCreative()) {
-                performDamage(entity, this.damage, false);
+                        return;
+                    }
+                    if (!living.level().isClientSide()) {
+                        living.addEffect(new MobEffectInstance(MobEffects.MOVEMENT_SLOWDOWN, 20, 2, false, false));
+                    }
+                }
+                this.damage *= this.legShot;
             }
+
+            performDamage(entity, this.damage, false);
         }
         this.discard();
     }
@@ -673,4 +626,52 @@ public class ProjectileEntity extends Entity implements IEntityAdditionalSpawnDa
     public boolean isZoom() {
         return this.zoom;
     }
+
+    /**
+     * Builders
+     */
+    public ProjectileEntity shooter(LivingEntity shooter) {
+        this.shooter = shooter;
+        return this;
+    }
+
+    public ProjectileEntity damage(float damage) {
+        this.damage = damage;
+        return this;
+    }
+
+    public ProjectileEntity headShot(float headShot) {
+        this.headShot = headShot;
+        return this;
+    }
+
+    public ProjectileEntity monsterMultiple(int monsterMultiple) {
+        this.monsterMultiple = monsterMultiple;
+        return this;
+    }
+
+    public ProjectileEntity legShot(float legShot) {
+        this.legShot = legShot;
+        return this;
+    }
+
+    public ProjectileEntity beast() {
+        this.beast = true;
+        return this;
+    }
+
+    public ProjectileEntity zoom(boolean zoom) {
+        this.zoom = zoom;
+        return this;
+    }
+
+    public ProjectileEntity bypassArmorRate(float bypassArmorRate) {
+        this.bypassArmorRate = bypassArmorRate;
+        return this;
+    }
+
+    public ProjectileEntity undeadMultiple(float undeadMultiple) {
+        this.undeadMultiple = undeadMultiple;
+        return this;
+    }
 }

src/main/java/net/mcreator/superbwarfare/event/GunEventHandler.java

@@ -3,11 +3,11 @@ package net.mcreator.superbwarfare.event;
 import net.mcreator.superbwarfare.ModUtils;
 import net.mcreator.superbwarfare.entity.ProjectileEntity;
 import net.mcreator.superbwarfare.event.modevent.ReloadEvent;
-import net.mcreator.superbwarfare.init.ModEnchantments;
+import net.mcreator.superbwarfare.init.*;
-import net.mcreator.superbwarfare.init.ModItems;
-import net.mcreator.superbwarfare.init.ModSounds;
-import net.mcreator.superbwarfare.init.ModTags;
 import net.mcreator.superbwarfare.network.ModVariables;
+import net.mcreator.superbwarfare.perk.AmmoPerk;
+import net.mcreator.superbwarfare.perk.Perk;
+import net.mcreator.superbwarfare.perk.PerkHelper;
 import net.mcreator.superbwarfare.tools.GunInfo;
 import net.mcreator.superbwarfare.tools.GunsTool;
 import net.mcreator.superbwarfare.tools.ParticleTool;
@@ -19,6 +19,7 @@ import net.minecraft.server.level.ServerLevel;
 import net.minecraft.server.level.ServerPlayer;
 import net.minecraft.sounds.SoundEvent;
 import net.minecraft.sounds.SoundSource;
+import net.minecraft.util.Mth;
 import net.minecraft.world.InteractionHand;
 import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.item.ItemStack;
@@ -346,6 +347,12 @@ public class GunEventHandler {
             float damage = (float) (heldItem.getOrCreateTag().getDouble("damage") + heldItem.getOrCreateTag().getDouble("sentinelChargeDamage")) * (float) heldItem.getOrCreateTag().getDouble("levelDamageMultiple");
             float bypassArmorRate = (float) heldItem.getOrCreateTag().getDouble("BypassesArmor");
 
+            var perk = PerkHelper.getPerkByType(heldItem, Perk.Type.AMMO);
+            if (perk instanceof AmmoPerk ammoPerk) {
+                bypassArmorRate += ammoPerk.bypassArmorRate;
+            }
+            bypassArmorRate = Mth.clamp(bypassArmorRate, 0, 1);
+
             boolean zoom = player.getCapability(ModVariables.PLAYER_VARIABLES_CAPABILITY, null).orElse(new ModVariables.PlayerVariables()).zooming;
             double spread = heldItem.getOrCreateTag().getDouble("spread");
             double zoomSpread = heldItem.getOrCreateTag().getDouble("zoomSpread");
@@ -355,17 +362,21 @@ public class GunEventHandler {
                     .damage(damage)
                     .headShot(headshot)
                     .zoom(zoom)
-                    .bypassArmorRate(bypassArmorRate);
+                    .bypassArmorRate(bypassArmorRate)
+                    .monsterMultiple(monsterMultiple);
 
             if (heldItem.getOrCreateTag().getBoolean("beast")) {
                 projectile.beast();
             }
 
-            projectile.monsterMultiple(monsterMultiple);
+            if (perk == ModPerks.SILVER_BULLET.get()) {
+                int level = PerkHelper.getItemPerkLevel(perk, heldItem);
+                projectile.undeadMultiple(1.0f + 0.5f * level);
+            }
 
             projectile.setPos(player.getX() - 0.1 * player.getLookAngle().x, player.getEyeY() - 0.1 - 0.1 * player.getLookAngle().y, player.getZ() + -0.1 * player.getLookAngle().z);
             projectile.shoot(player.getLookAngle().x, player.getLookAngle().y + 0.0005f, player.getLookAngle().z, 1 * (float) heldItem.getOrCreateTag().getDouble("velocity"),
-                    (float) (zoom? zoomSpread : spread));
+                    (float) (zoom ? zoomSpread : spread));
             player.level().addFreshEntity(projectile);
         }
     }

src/main/java/net/mcreator/superbwarfare/init/ModPerks.java

@@ -1,6 +1,7 @@
 package net.mcreator.superbwarfare.init;
 
 import net.mcreator.superbwarfare.ModUtils;
+import net.mcreator.superbwarfare.perk.AmmoPerk;
 import net.mcreator.superbwarfare.perk.Perk;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraftforge.eventbus.api.SubscribeEvent;
@@ -20,10 +21,13 @@ public class ModPerks {
 
     public static final DeferredRegister<Perk> PERKS = DeferredRegister.create(new ResourceLocation(ModUtils.MODID, "perk"), ModUtils.MODID);
 
+    public static final RegistryObject<AmmoPerk> SILVER_BULLET = PERKS.register("silver_bullet", () -> new AmmoPerk("silver_bullet", Perk.Type.AMMO, 0.1f));
+
     public static final RegistryObject<Perk> FOURTH_TIMES_CHARM = PERKS.register("fourth_times_charm", () -> new Perk("fourth_times_charm", Perk.Type.FUNCTIONAL));
-    public static final RegistryObject<Perk> GUTSHOT_STRAIGHT = PERKS.register("gutshot_straight", () -> new Perk("gutshot_straight", Perk.Type.DAMAGE));
     public static final RegistryObject<Perk> HEAL_CLIP = PERKS.register("heal_clip", () -> new Perk("heal_clip", Perk.Type.FUNCTIONAL));
+
     public static final RegistryObject<Perk> KILL_CLIP = PERKS.register("kill_clip", () -> new Perk("kill_clip", Perk.Type.DAMAGE));
+    public static final RegistryObject<Perk> GUTSHOT_STRAIGHT = PERKS.register("gutshot_straight", () -> new Perk("gutshot_straight", Perk.Type.DAMAGE));
     public static final RegistryObject<Perk> KILLING_TALLY = PERKS.register("killing_tally", () -> new Perk("killing_tally", Perk.Type.DAMAGE));
     public static final RegistryObject<Perk> MONSTER_HUNTER = PERKS.register("monster_hunter", () -> new Perk("monster_hunter", Perk.Type.DAMAGE));
 }

src/main/java/net/mcreator/superbwarfare/perk/AmmoPerk.java

@@ -0,0 +1,16 @@
+package net.mcreator.superbwarfare.perk;
+
+import net.minecraft.util.Mth;
+
+public class AmmoPerk extends Perk {
+    public float bypassArmorRate = 0.0f;
+
+    public AmmoPerk(String descriptionId, Type type) {
+        super(descriptionId, type);
+    }
+
+    public AmmoPerk(String descriptionId, Type type, float bypassArmorRate) {
+        super(descriptionId, type);
+        this.bypassArmorRate = Mth.clamp(bypassArmorRate, -1, 1);
+    }
+}

src/main/java/net/mcreator/superbwarfare/perk/PerkHelper.java

@@ -83,4 +83,27 @@ public class PerkHelper {
         setPerk(stack, perk, 1);
     }
 
+    @Nullable
+    public static Perk getPerkByType(ItemStack stack, Perk.Type type) {
+        var tag = stack.getTag();
+        if (tag == null) {
+            return null;
+        }
+
+        var tagPerk = tag.getCompound(TAG_PERK);
+        if (!tagPerk.contains(type.getName())) {
+            return null;
+        }
+
+        return ModPerks.PERKS.getEntries().stream()
+                .filter(p -> makeId(p.getId()).equals(tagPerk.getCompound(type.getName()).getString(TAG_PERK_ID)))
+                .findFirst()
+                .map(RegistryObject::get)
+                .orElse(null);
+    }
+
+    public static String makeId(ResourceLocation resourceLocation) {
+        return resourceLocation.getNamespace() + ":" + resourceLocation.getPath();
+    }
+
 }

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

@@ -184,6 +184,8 @@
   "des.superbwarfare.gutshot_straight": "Aiming down sights increases body shot damage",
   "item.superbwarfare.fourth_times_charm": "Fourth Time's The Charm",
   "des.superbwarfare.fourth_times_charm": "Rapidly landing precision hits will return two rounds to the magazine",
+  "item.superbwarfare.silver_bullet": "Silver Bullet",
+  "des.superbwarfare.silver_bullet": "Causes extra damage to undead entities",
 
   "perk.superbwarfare.tips": "[Perks]",
   "perk.superbwarfare.slot": "Type: ",

src/main/resources/assets/superbwarfare/lang/zh_cn.json

@@ -184,6 +184,8 @@
   "des.superbwarfare.gutshot_straight": "瞄准时增加身体射击伤害",
   "item.superbwarfare.fourth_times_charm": "事不过四",
   "des.superbwarfare.fourth_times_charm": "快速精准命中目标会向弹匣中返还两枚弹药",
+  "item.superbwarfare.silver_bullet": "银弹",
+  "des.superbwarfare.silver_bullet": "对亡灵生物造成额外伤害",
 
   "perk.superbwarfare.tips": "[武器模组]",
   "perk.superbwarfare.slot": "类型: ",