From f75d2b55258e3d0d45b7d119b5047b5f5d3988fb Mon Sep 17 00:00:00 2001
From: Skye <me@skye.vg>
Date: Mon, 19 Aug 2024 04:43:19 +0000
Subject: [PATCH] Allow for playerless block raycasts

---
 .../actions/raycast/OpBlockAxisRaycast.kt     |  3 +--
 .../casting/actions/raycast/OpBlockRaycast.kt |  4 ++--
 .../hexcasting/mixin/MixinClipContext.java    | 20 +++++++++++++++++++
 Common/src/main/resources/hexplat.mixins.json |  1 +
 4 files changed, 24 insertions(+), 4 deletions(-)
 create mode 100644 Common/src/main/java/at/petrak/hexcasting/mixin/MixinClipContext.java

diff --git a/Common/src/main/java/at/petrak/hexcasting/common/casting/actions/raycast/OpBlockAxisRaycast.kt b/Common/src/main/java/at/petrak/hexcasting/common/casting/actions/raycast/OpBlockAxisRaycast.kt
index 6e066638d6..2aa68ecf28 100644
--- a/Common/src/main/java/at/petrak/hexcasting/common/casting/actions/raycast/OpBlockAxisRaycast.kt
+++ b/Common/src/main/java/at/petrak/hexcasting/common/casting/actions/raycast/OpBlockAxisRaycast.kt
@@ -8,12 +8,10 @@ import at.petrak.hexcasting.api.casting.getVec3
 import at.petrak.hexcasting.api.casting.iota.Iota
 import at.petrak.hexcasting.api.casting.iota.NullIota
 import at.petrak.hexcasting.api.misc.MediaConstants
-import net.minecraft.world.entity.Entity
 import net.minecraft.world.level.ClipContext
 import net.minecraft.world.phys.HitResult
 import net.minecraft.world.phys.Vec3
 
-@Suppress("NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS")
 object OpBlockAxisRaycast : ConstMediaAction {
     override val argc = 2
     override val mediaCost: Long = MediaConstants.DUST_UNIT / 100
@@ -29,6 +27,7 @@ object OpBlockAxisRaycast : ConstMediaAction {
                 Action.raycastEnd(origin, look),
                 ClipContext.Block.COLLIDER,
                 ClipContext.Fluid.NONE,
+                @Suppress("NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS")
                 env.castingEntity
             )
         )
diff --git a/Common/src/main/java/at/petrak/hexcasting/common/casting/actions/raycast/OpBlockRaycast.kt b/Common/src/main/java/at/petrak/hexcasting/common/casting/actions/raycast/OpBlockRaycast.kt
index 1fce74df5a..33a2e990eb 100644
--- a/Common/src/main/java/at/petrak/hexcasting/common/casting/actions/raycast/OpBlockRaycast.kt
+++ b/Common/src/main/java/at/petrak/hexcasting/common/casting/actions/raycast/OpBlockRaycast.kt
@@ -8,7 +8,6 @@ import at.petrak.hexcasting.api.casting.getVec3
 import at.petrak.hexcasting.api.casting.iota.Iota
 import at.petrak.hexcasting.api.casting.iota.NullIota
 import at.petrak.hexcasting.api.misc.MediaConstants
-import net.minecraft.world.entity.Entity
 import net.minecraft.world.level.ClipContext
 import net.minecraft.world.phys.HitResult
 import net.minecraft.world.phys.Vec3
@@ -28,7 +27,8 @@ object OpBlockRaycast : ConstMediaAction {
                 Action.raycastEnd(origin, look),
                 ClipContext.Block.COLLIDER,
                 ClipContext.Fluid.NONE,
-                env.castingEntity as Entity
+                @Suppress("NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS")
+                env.castingEntity
             )
         )
 
diff --git a/Common/src/main/java/at/petrak/hexcasting/mixin/MixinClipContext.java b/Common/src/main/java/at/petrak/hexcasting/mixin/MixinClipContext.java
new file mode 100644
index 0000000000..22dadc7c9d
--- /dev/null
+++ b/Common/src/main/java/at/petrak/hexcasting/mixin/MixinClipContext.java
@@ -0,0 +1,20 @@
+package at.petrak.hexcasting.mixin;
+
+import net.minecraft.world.entity.Entity;
+import net.minecraft.world.level.ClipContext;
+import net.minecraft.world.phys.shapes.CollisionContext;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Redirect;
+
+@Mixin(ClipContext.class)
+public class MixinClipContext {
+    @Redirect(method = "<init>", at = @At(value = "INVOKE", target = "Lnet/minecraft/world/phys/shapes/CollisionContext;of(Lnet/minecraft/world/entity/Entity;)Lnet/minecraft/world/phys/shapes/CollisionContext;"))
+    private CollisionContext allowNullEntity(Entity entity) {
+        if (entity == null) {
+            return CollisionContext.empty();
+        } else {
+            return CollisionContext.of(entity);
+        }
+    }
+}
\ No newline at end of file
diff --git a/Common/src/main/resources/hexplat.mixins.json b/Common/src/main/resources/hexplat.mixins.json
index 1d2ac13000..3619793359 100644
--- a/Common/src/main/resources/hexplat.mixins.json
+++ b/Common/src/main/resources/hexplat.mixins.json
@@ -6,6 +6,7 @@
   "package": "at.petrak.hexcasting.mixin",
   "mixins": [
     "MixinAbstractVillager",
+    "MixinClipContext",
     "MixinMob",
     "MixinRaider",
     "MixinVillager",