VerticalEntityPosition -> EntityContext (#669)

mappings/net/minecraft/entity/EntityContext.mapping

@@ -0,0 +1,11 @@
+CLASS csa net/minecraft/entity/EntityContext
+	METHOD a absent ()Lcsa;
+	METHOD a of (Laif;)Lcsa;
+		ARG 0 entity
+	METHOD a isHolding (Lbbv;)Z
+		ARG 1 item
+	METHOD a isAbove (Lcsp;Lev;Z)Z
+		ARG 1 shape
+		ARG 2 pos
+		ARG 3 defaultValue
+	METHOD b isSneaking ()Z

mappings/net/minecraft/entity/EntityContextImpl.mapping

@@ -1,11 +1,14 @@
-CLASS csf net/minecraft/entity/VerticalEntityPositionImpl
+CLASS csf net/minecraft/entity/EntityContextImpl
 	CLASS csf$1
 		METHOD <init> (ZDLbbv;)V
 			ARG 1 sneaking
-	FIELD a MIN_VALUE Lcsa;
+	FIELD a ABSENT Lcsa;
 	FIELD b sneaking Z
-	FIELD c posY D
+	FIELD c minY D
+	FIELD d heldItem Lbbv;
 	METHOD <init> (Laif;)V
 		ARG 1 entity
 	METHOD <init> (ZDLbbv;)V
 		ARG 1 sneaking
+		ARG 2 minY
+		ARG 4 heldItem

mappings/net/minecraft/entity/VerticalEntityPosition.mapping

@@ -1,7 +0,0 @@
-CLASS csa net/minecraft/entity/VerticalEntityPosition
-	METHOD a minValue ()Lcsa;
-	METHOD a fromEntity (Laif;)Lcsa;
-		ARG 0 entity
-	METHOD a isAboveBlock (Lcsp;Lev;Z)Z
-		ARG 1 shape
-	METHOD b isSneaking ()Z