TNT Changes (#4970)

+ Make TNT drop pickups, change a few comments.
+ Give each ray random intensity, instead of each explosion.
* Use direction instead of destination, rewrite for pairs of edges.

src/BlockInfo.cpp

@@ -134,6 +134,15 @@ bool IsBlockFence(BLOCKTYPE a_BlockType)
 
 
 
+bool IsBlockShulkerBox(BLOCKTYPE a_BlockType)
+{
+	return ((a_BlockType >= E_BLOCK_WHITE_SHULKER_BOX) && (a_BlockType <= E_BLOCK_BLACK_SHULKER_BOX));
+}
+
+
+
+
+
 bool IsBlockMaterialWood(BLOCKTYPE a_BlockType)
 {
 	switch (a_BlockType)