Calculate the correct block breaking time

utils.py

@@ -1,5 +1,11 @@
+import importlib
 from math import floor, ceil
 
+import blocks
+importlib.reload(blocks)
+
+TICK = 0.05
+
 def padd(p1, p2):
     return (p1[0] + p2[0], p1[1] + p2[1], p1[2] + p2[2])
 
@@ -25,3 +31,29 @@ def cap(x, amount):
     sign = 1 if x >= 0 else -1
     return sign * min(abs(x), amount)
 
+def break_time(block_id, held_item=0, in_water=False, on_ground=True, enchantments=[], effects={}):
+    # from PrismarineJS/prismarine-block
+    data = blocks.get(block_id)
+
+    can_harvest = 'harvestTools' not in data or str(held_item) in data['harvestTools']
+    tool_multipliers = blocks.mcd.materials.get(data['material'], [])
+    is_best_tool = held_item in tool_multipliers
+    time = data['hardness']
+
+    if can_harvest:
+        time *= 1.5
+    else:
+        time *= 5.0
+
+    if is_best_tool:
+        speed_multiplier = tool_multipliers[held_item]
+        # TODO: calc efficiency, haste, mining fatigue
+    else:
+        speed_multiplier = 1.0
+
+    time /= speed_multiplier
+    if in_water: time *= 5.0
+    if not on_ground: time *= 5.0
+
+    return time
+