Allow multiplying entity health by factor

gradle.properties

@@ -8,4 +8,4 @@ maven_group=io.gitlab.jfronny
 archives_base_name=combit
 
 fabric_version=0.45.0+1.18
-jfapi_version=2.2.0
+jfapi_version=2.2.1

src/main/java/io/gitlab/jfronny/combit/Combit.java

@@ -64,10 +64,13 @@ public class Combit implements ModInitializer {
             if (player.getEntityWorld().isClient)
                 return ActionResult.PASS;
 
-            if (CombitConfig.debug)
+            if (CombitConfig.debug) {
                 player.sendMessage(new LiteralText(
-                    String.format("Entity attacked: %s", EntityType.getId(target.getType()))
+                    target instanceof LivingEntity le
+                            ? String.format("LivingEntity attacked: %s (%s/%s)", EntityType.getId(target.getType()), le.getHealth(), le.getMaxHealth())
+                            : String.format("Entity attacked: %s", EntityType.getId(target.getType()))
                 ), false);
+            }
 
             float str = player.getAttackCooldownProgress(0);
             if (str <= CombitConfig.attackCancelThreshold)
@@ -79,11 +82,10 @@ public class Combit implements ModInitializer {
         });
     }
 
-    private String getId(Entity entity) {
+    public static String getId(Entity entity) {
         return EntityType.getId(entity.getType()).toString();
     }
-
-    private boolean idMatches(String entityId, Set<String> matches) {
+    public static boolean idMatches(String entityId, Set<String> matches) {
         for (String id : matches) {
             int starIndex = id.indexOf('*');
             if (starIndex != -1) {

src/main/java/io/gitlab/jfronny/combit/CombitConfig.java

@@ -16,10 +16,14 @@ public class CombitConfig implements JfConfig {
     @Entry public static HashSet<String> targetEntityWhitelist = null;
     @Entry public static Boolean excludeAllMobs = false;
     @Entry public static Boolean excludePlayers = false;
-    // Fluff
+    // Health
+    @Entry public static Double entityHealthFactor = 1.5;
+    @Entry public static HashSet<String> entityHealthBlacklist = null;
+    // Weapons
     @Entry public static Double cooldownProgressOverride = 0.8;
     @Entry public static Double cooldownProgressPerTickOverride = Double.MIN_VALUE;
     @Entry public static Double weaponAttackDamageFactor = 0.6;
     @Entry public static Double axeAttackDamageFactor = 0.5;
+    // Debug
     @Entry public static Boolean debug = FabricLoader.getInstance().isDevelopmentEnvironment();
 }

src/main/java/io/gitlab/jfronny/combit/CombitConfigValidator.java

@@ -33,6 +33,11 @@ public class CombitConfigValidator implements UltraEarlyInit {
             CombitConfig.damageSourceWhitelist.add(DamageSource.OUT_OF_WORLD.getName());
             CombitConfig.damageSourceWhitelist.add(DamageSource.SWEET_BERRY_BUSH.getName());
         }
+        if (CombitConfig.entityHealthBlacklist == null) {
+            changed = true;
+            CombitConfig.entityHealthBlacklist = new HashSet<>();
+            CombitConfig.entityHealthBlacklist.add("minecraft:player");
+        }
         if (changed) {
             ConfigHolder.getInstance().getRegistered().get("combit").write();
         }

src/main/java/io/gitlab/jfronny/combit/mixin/LivingEntityMixin.java

@@ -1,17 +1,30 @@
 package io.gitlab.jfronny.combit.mixin;
 
+import io.gitlab.jfronny.combit.Combit;
+import io.gitlab.jfronny.combit.CombitConfig;
 import io.gitlab.jfronny.combit.events.EntityHurtEvent;
 import io.gitlab.jfronny.combit.events.EntityKnockbackEvent;
+import net.minecraft.entity.EntityType;
 import net.minecraft.entity.LivingEntity;
+import net.minecraft.entity.attribute.EntityAttribute;
+import net.minecraft.entity.attribute.EntityAttributeInstance;
+import net.minecraft.entity.attribute.EntityAttributes;
 import net.minecraft.entity.damage.DamageSource;
 import net.minecraft.util.ActionResult;
+import net.minecraft.world.World;
+import org.jetbrains.annotations.Nullable;
 import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 
 @Mixin(LivingEntity.class)
-public class LivingEntityMixin {
+public abstract class LivingEntityMixin {
+    @Shadow public abstract float getMaxHealth();
+    @Shadow public abstract void setHealth(float health);
+    @Shadow @Nullable public abstract EntityAttributeInstance getAttributeInstance(EntityAttribute attribute);
+
     @Inject(at = @At("TAIL"), method = "applyDamage", cancellable = true)
     private void onEntityHurt(final DamageSource source, final float amount, CallbackInfo ci) {
         ActionResult result = EntityHurtEvent.EVENT.invoker().hurtEntity((LivingEntity) (Object) this, source, amount);
@@ -27,4 +40,14 @@ public class LivingEntityMixin {
             ci.cancel();
         }
     }
+
+    @Inject(at = @At("RETURN"), method = "<init>(Lnet/minecraft/entity/EntityType;Lnet/minecraft/world/World;)V")
+    private void injectMaxHealth(EntityType<?> entityType, World world, CallbackInfo ci) {
+        if (!Combit.idMatches(EntityType.getId(entityType).toString(), CombitConfig.entityHealthBlacklist)) {
+            EntityAttributeInstance att = getAttributeInstance(EntityAttributes.GENERIC_MAX_HEALTH);
+            att.setBaseValue(att.getBaseValue() * CombitConfig.entityHealthFactor);
+            setHealth(getMaxHealth());
+        }
+        else System.out.println("Skipping " + EntityType.getId(entityType).toString());
+    }
 }

src/main/java/io/gitlab/jfronny/combit/mixin/MiningToolItemMixin.java

@@ -18,18 +18,15 @@ import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 
 @Mixin(MiningToolItem.class)
 public abstract class MiningToolItemMixin extends ToolItem {
-    @Mutable
-    @Shadow @Final private Multimap<EntityAttribute, EntityAttributeModifier> attributeModifiers;
-
-    @Mutable
-    @Shadow @Final private float attackDamage;
+    @Shadow @Final @Mutable private Multimap<EntityAttribute, EntityAttributeModifier> attributeModifiers;
+    @Shadow @Final @Mutable private float attackDamage;
 
     public MiningToolItemMixin(ToolMaterial material, Settings settings) {
         super(material, settings);
     }
 
     @Inject(at = @At("RETURN"), method = "<init>(FFLnet/minecraft/item/ToolMaterial;Lnet/minecraft/tag/Tag;Lnet/minecraft/item/Item$Settings;)V")
-    private void modifyAttackDamage(float attackDamage, float attackSpeed, ToolMaterial material, Tag effectiveBlocks, Settings settings, CallbackInfo ci) {
+    private void modifyAttackDamage(float attackDamage, float attackSpeed, ToolMaterial material, Tag<?> effectiveBlocks, Settings settings, CallbackInfo ci) {
         double factor = ((MiningToolItem)(Object)this) instanceof AxeItem ? CombitConfig.axeAttackDamageFactor : CombitConfig.weaponAttackDamageFactor;
         if (factor >= 0) {
             this.attackDamage *= factor;

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

@@ -18,6 +18,11 @@
   "combit.jfconfig.excludePlayers": "Exclude Players",
   "combit.jfconfig.excludePlayers.tooltip": "Still apply I-Frames to players",
 
+  "combit.jfconfig.entityHealthFactor": "Entity Health Factor",
+  "combit.jfconfig.entityHealthFactor.tooltip": "Factor to apply to the maximum health of entities",
+  "combit.jfconfig.entityHealthBlacklist": "Entity Health Blacklist",
+  "combit.jfconfig.entityHealthBlacklist.tooltip": "Entities which should retain their original health (configure in JSON)",
+
   "combit.jfconfig.cooldownProgressOverride": "Cooldown Progress Override",
   "combit.jfconfig.cooldownProgressOverride.tooltip": "Always set the cooldown of items to this value (negative to disable override)",
   "combit.jfconfig.cooldownProgressPerTickOverride": "Cooldown Progress/Tick Override",
@@ -26,6 +31,7 @@
   "combit.jfconfig.weaponAttackDamageFactor.tooltip": "Factor to multiply to the attack damage of weapons except axes",
   "combit.jfconfig.axeAttackDamageFactor": "Axe Attack Damage Factor",
   "combit.jfconfig.axeAttackDamageFactor.tooltip": "Factor to multiply to the attack damage of axes",
+
   "combit.jfconfig.debug": "Debug",
   "combit.jfconfig.debug.tooltip": "Enable Debug Logging"
 }

src/main/resources/combit.mixins.json

@@ -2,7 +2,7 @@
   "required": true,
   "minVersion": "0.8",
   "package": "io.gitlab.jfronny.combit.mixin",
-  "compatibilityLevel": "JAVA_8",
+  "compatibilityLevel": "JAVA_17",
   "mixins": [
     "LivingEntityMixin",
     "MiningToolItemMixin",