Updated digging code to account for raycasted tall grass checks (Pris…

…marineJS#3285)

* Updated digging code to account for raycasted tall grass checks

* Fixing lint

* Removing unnecessary typing comment

* Fix lint

lib/plugins/digging.js

@@ -54,6 +54,7 @@ function inject (bot) {
           z: Math.sign(Math.abs(dz) > 0.5 ? dz : 0)
         }
         const validFaces = []
+        const closerBlocks = []
         for (const i in visibleFaces) {
           if (!visibleFaces[i]) continue // skip as this face is not visible
           // target position on the target block face. -> 0.5 + (current face) * 0.5
@@ -65,13 +66,19 @@ function inject (bot) {
           const startPos = bot.entity.position.offset(0, bot.entity.height, 0)
           const rayBlock = bot.world.raycast(startPos, targetPos.clone().subtract(startPos).normalize(), 5)
           if (rayBlock) {
+            if (startPos.distanceTo(rayBlock.intersect) < startPos.distanceTo(targetPos)) {
+              // Block is closer then the raycasted block
+              closerBlocks.push(rayBlock)
+              // continue since if distance is ever less, then we did not intersect the block we wanted,
+              // meaning that the position of the intersected block is not what we want.
+              continue
+            }
             const rayPos = rayBlock.position
             if (
               rayPos.x === block.position.x &&
                             rayPos.y === block.position.y &&
                             rayPos.z === block.position.z
             ) {
-              // console.info(rayBlock)
               validFaces.push({
                 face: rayBlock.face,
                 targetPos: rayBlock.intersect
@@ -95,6 +102,11 @@ function inject (bot) {
           }
           await bot.lookAt(closest.targetPos, forceLook)
           diggingFace = closest.face
+        } else if (closerBlocks.length === 0 && block.shapes.length === 0) {
+          // no other blocks were detected and the block has no shapes.
+          // The block in question is replaceable (like tall grass) so we can just dig it
+          // TODO: do AABB + ray intercept check to this position for diggingFace.
+          await bot.lookAt(block.position.offset(0.5, 0.5, 0.5), forceLook)
         } else {
           // Block is obstructed return error?
           throw new Error('Block not in view')