created and used Entity.canBeSeen and LorenzVec.canBeSeen

2 files changed, 14 insertions, 2 deletions

diff --git a/src/main/java/at/hannibal2/skyhanni/utils/EntityUtils.kt b/src/main/java/at/hannibal2/skyhanni/utils/EntityUtils.kt
index f9e8ddb86..0e31c45bb 100644
--- a/src/main/java/at/hannibal2/skyhanni/utils/EntityUtils.kt
+++ b/src/main/java/at/hannibal2/skyhanni/utils/EntityUtils.kt
@@ -1,6 +1,7 @@
 package at.hannibal2.skyhanni.utils
 
 import at.hannibal2.skyhanni.utils.ItemUtils.getSkullTexture
+import at.hannibal2.skyhanni.utils.LocationUtils.canBeSeen
 import at.hannibal2.skyhanni.utils.LocationUtils.distanceTo
 import at.hannibal2.skyhanni.utils.LorenzUtils.baseMaxHealth
 import net.minecraft.block.state.IBlockState
@@ -152,4 +153,6 @@ object EntityUtils {
     fun getAllEntities(): Sequence<Entity> = Minecraft.getMinecraft()?.theWorld?.loadedEntityList?.let {
         if (Minecraft.getMinecraft().isCallingFromMinecraftThread) it else it.toMutableList()
     }?.asSequence() ?: emptySequence()
-}
\ No newline at end of file
+
+    fun Entity.canBeSeen(radius: Double = 150.0) = getLorenzVec().add(0.0, 0.5, 0.0).canBeSeen(radius)
+}
diff --git a/src/main/java/at/hannibal2/skyhanni/utils/LocationUtils.kt b/src/main/java/at/hannibal2/skyhanni/utils/LocationUtils.kt
index 99b95f734..fafb41c96 100644
--- a/src/main/java/at/hannibal2/skyhanni/utils/LocationUtils.kt
+++ b/src/main/java/at/hannibal2/skyhanni/utils/LocationUtils.kt
@@ -31,4 +31,13 @@ object LocationUtils {
     fun AxisAlignedBB.isVecInside(vec: LorenzVec) = isVecInside(vec.toVec3())
 
     fun AxisAlignedBB.isPlayerInside() = isVecInside(playerLocation())
-}
\ No newline at end of file
+
+    fun LorenzVec.canBeSeen(radius: Double = 150.0): Boolean {
+        val a = playerEyeLocation()
+        val b = this
+        val noBlocks = canSee(a, b)
+        val notTooFar = a.distance(b) < radius
+        val inFov = true // TODO add Frustum "Frustum().isBoundingBoxInFrustum(entity.entityBoundingBox)"
+        return noBlocks && notTooFar && inFov
+    }
+}