Mirror vanilla and don't allow obsidian tnt that goes through a nether portal to destroy the portal, and make use of vanilla's TNT renderer now that it supports custom block states

Author: pupnewfster

src/additions/java/mekanism/additions/client/AdditionsClientRegistration.java

@@ -6,7 +6,6 @@
 import mekanism.additions.client.render.entity.RenderBabyCreeper;
 import mekanism.additions.client.render.entity.RenderBabyEnderman;
 import mekanism.additions.client.render.entity.RenderBalloon;
-import mekanism.additions.client.render.entity.RenderObsidianTNTPrimed;
 import mekanism.additions.common.MekanismAdditions;
 import mekanism.additions.common.item.ItemBalloon;
 import mekanism.additions.common.item.ItemWalkieTalkie.WalkieData;
@@ -24,6 +23,7 @@
 import net.minecraft.client.renderer.entity.BoggedRenderer;
 import net.minecraft.client.renderer.entity.SkeletonRenderer;
 import net.minecraft.client.renderer.entity.StrayRenderer;
+import net.minecraft.client.renderer.entity.TntRenderer;
 import net.minecraft.client.renderer.entity.WitherSkeletonRenderer;
 import net.neoforged.api.distmarker.Dist;
 import net.neoforged.bus.api.SubscribeEvent;
@@ -57,7 +57,7 @@ public static void registerKeybindings(RegisterKeyMappingsEvent event) {
     @SubscribeEvent
     public static void registerRenderers(EntityRenderersEvent.RegisterRenderers event) {
         //Register entity rendering handlers
-        event.registerEntityRenderer(AdditionsEntityTypes.OBSIDIAN_TNT.get(), RenderObsidianTNTPrimed::new);
+        event.registerEntityRenderer(AdditionsEntityTypes.OBSIDIAN_TNT.get(), TntRenderer::new);
         event.registerEntityRenderer(AdditionsEntityTypes.BALLOON.get(), RenderBalloon::new);
         event.registerEntityRenderer(AdditionsEntityTypes.BABY_BOGGED.get(), BoggedRenderer::new);
         event.registerEntityRenderer(AdditionsEntityTypes.BABY_CREEPER.get(), RenderBabyCreeper::new);

src/additions/java/mekanism/additions/client/render/entity/RenderObsidianTNTPrimed.java

@@ -9,6 +9,7 @@
 import net.minecraft.world.entity.LivingEntity;
 import net.minecraft.world.entity.item.PrimedTnt;
 import net.minecraft.world.item.ItemStack;
+import net.minecraft.world.level.Explosion;
 import net.minecraft.world.level.Level;
 import net.minecraft.world.level.Level.ExplosionInteraction;
 import net.minecraft.world.phys.HitResult;
@@ -20,6 +21,7 @@ public class EntityObsidianTNT extends PrimedTnt {
     public EntityObsidianTNT(EntityType<EntityObsidianTNT> type, Level world) {
         super(type, world);
         setFuse(MekanismAdditionsConfig.additions.obsidianTNTDelay.get());
+        setBlockState(AdditionsBlocks.OBSIDIAN_TNT.defaultState());
     }
 
     @Nullable
@@ -37,7 +39,6 @@ public static EntityObsidianTNT create(Level world, double x, double y, double z
         tnt.zo = z;
         tnt.owner = igniter;
         //End TNTEntity constructor
-        tnt.setFuse(MekanismAdditionsConfig.additions.obsidianTNTDelay.get());
         return tnt;
     }
 
@@ -56,7 +57,8 @@ public void tick() {
 
     @Override
     protected void explode() {
-        level().explode(this, getX(), getY() + (double) (getBbHeight() / 16.0F), getZ(), MekanismAdditionsConfig.additions.obsidianTNTBlastRadius.get(), ExplosionInteraction.TNT);
+        level().explode(this, Explosion.getDefaultDamageSource(level(), this), usedPortal ? USED_PORTAL_DAMAGE_CALCULATOR : null,
+              getX(), getY(0.0625), getZ(), MekanismAdditionsConfig.additions.obsidianTNTBlastRadius.get(), false, ExplosionInteraction.TNT);
     }
 
     @NotNull

src/additions/java/mekanism/additions/common/entity/EntityObsidianTNT.java

@@ -1,4 +1,6 @@
 protected net.minecraft.world.entity.item.PrimedTnt owner
+protected net.minecraft.world.entity.item.PrimedTnt USED_PORTAL_DAMAGE_CALCULATOR
+protected net.minecraft.world.entity.item.PrimedTnt usedPortal
 
 public net.minecraft.world.entity.EntityType immuneTo
 public net.minecraft.world.entity.EntityAttachments attachments