fixing explosions

src/main/java/org/spongepowered/api/data/Keys.java

@@ -1020,7 +1020,7 @@ public final class Keys {
      * determined randomly at the time of the explosion or computed from the
      * context in which the {@link Explosive} explodes.</p>
      */
-    public static final Key<Value<Integer>> EXPLOSION_RADIUS = Keys.key(ResourceKey.sponge("explosion_radius"), Integer.class);
+    public static final Key<Value<Float>> EXPLOSION_RADIUS = Keys.key(ResourceKey.sponge("explosion_radius"), Float.class);
 
     /**
      * The eye height of an {@link Entity}.

src/main/java/org/spongepowered/api/entity/explosive/Explosive.java

@@ -40,7 +40,7 @@ public interface Explosive extends Entity {
      *
      * @return The explosion radius
      */
-    default Optional<Value.Mutable<Integer>> explosionRadius() {
+    default Optional<Value.Mutable<Float>> explosionRadius() {
         return this.getValue(Keys.EXPLOSION_RADIUS).map(Value::asMutable);
     }
 

src/main/java/org/spongepowered/api/registry/RegistryTypes.java

@@ -162,6 +162,7 @@
 import org.spongepowered.api.world.biome.climate.TemperatureModifier;
 import org.spongepowered.api.world.chunk.ChunkState;
 import org.spongepowered.api.world.difficulty.Difficulty;
+import org.spongepowered.api.world.explosion.ExplosionBlockInteraction;
 import org.spongepowered.api.world.gamerule.GameRule;
 import org.spongepowered.api.world.generation.carver.Carver;
 import org.spongepowered.api.world.generation.carver.CarverType;
@@ -357,6 +358,8 @@ public final class RegistryTypes {
 
     public static final DefaultedRegistryType<EquipmentType> EQUIPMENT_TYPE = RegistryTypes.spongeKeyInGame("equipment_type");
 
+    public static final RegistryType<ExplosionBlockInteraction> EXPLOSION_BLOCK_INTERACTION = RegistryTypes.spongeKeyInGame("explosion_block_interaction");
+
     public static final DefaultedRegistryType<FireworkShape> FIREWORK_SHAPE = RegistryTypes.spongeKeyInGame("firework_shape");
 
     public static final DefaultedRegistryType<FlatGeneratorConfig> FLAT_GENERATOR_CONFIG = RegistryTypes.spongeKeyInGame("flat_generator_config");

src/main/java/org/spongepowered/api/world/explosion/Explosion.java

@@ -184,12 +184,12 @@ interface Builder extends org.spongepowered.api.util.Builder<Explosion, Builder>
         Builder shouldPlaySmoke(boolean smoke);
 
         /**
-         * Sets whether the affected blocks should be destroyed on explosion.
+         * Sets the desired block interaction.
          *
-         * @param destroy Whether the affected blocks should be destroyed
+         * @param interaction the desired block interaction
          * @return The builder, for chaining
          */
-        Builder shouldBreakBlocks(boolean destroy);
+        Builder blockInteraction(ExplosionBlockInteraction interaction);
 
         /**
          * Sets the resolution of the explosion.
@@ -244,4 +244,5 @@ default Builder knockback(double knockback) {
         Explosion build() throws IllegalArgumentException;
 
     }
+
 }

src/main/java/org/spongepowered/api/world/explosion/ExplosionBlockInteraction.java

@@ -0,0 +1,33 @@
+/*
+ * This file is part of SpongeAPI, licensed under the MIT License (MIT).
+ *
+ * Copyright (c) SpongePowered <https://www.spongepowered.org>
+ * Copyright (c) contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package org.spongepowered.api.world.explosion;
+
+import org.spongepowered.api.util.annotation.CatalogedBy;
+
+@CatalogedBy(ExplosionBlockInteractions.class)
+public interface ExplosionBlockInteraction {
+    // TODO mixin
+
+}

src/main/java/org/spongepowered/api/world/explosion/ExplosionBlockInteractions.java

@@ -0,0 +1,50 @@
+/*
+ * This file is part of SpongeAPI, licensed under the MIT License (MIT).
+ *
+ * Copyright (c) SpongePowered <https://www.spongepowered.org>
+ * Copyright (c) contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package org.spongepowered.api.world.explosion;
+
+import org.spongepowered.api.ResourceKey;
+import org.spongepowered.api.Sponge;
+import org.spongepowered.api.registry.DefaultedRegistryReference;
+import org.spongepowered.api.registry.Registry;
+import org.spongepowered.api.registry.RegistryKey;
+import org.spongepowered.api.registry.RegistryTypes;
+
+public final class ExplosionBlockInteractions {
+    public static final DefaultedRegistryReference<ExplosionBlockInteraction> KEEP = ExplosionBlockInteractions.key(ResourceKey.sponge("keep"));
+    public static final DefaultedRegistryReference<ExplosionBlockInteraction> DESTROY = ExplosionBlockInteractions.key(ResourceKey.sponge("destroy"));
+    public static final DefaultedRegistryReference<ExplosionBlockInteraction> DESTROY_WITH_DECAY = ExplosionBlockInteractions.key(ResourceKey.sponge("destroy_with_decay"));
+    public static final DefaultedRegistryReference<ExplosionBlockInteraction> TRIGGER_BLOCK = ExplosionBlockInteractions.key(ResourceKey.sponge("trigger_block"));
+
+    private ExplosionBlockInteractions() {
+    }
+
+    public static Registry<ExplosionBlockInteraction> registry() {
+        return Sponge.game().registry(RegistryTypes.EXPLOSION_BLOCK_INTERACTION);
+    }
+
+    private static DefaultedRegistryReference<ExplosionBlockInteraction> key(final ResourceKey location) {
+        return RegistryKey.of(RegistryTypes.EXPLOSION_BLOCK_INTERACTION, location).asDefaultedReference(Sponge::game);
+    }
+}