From 1d4adb796a7eeaf7f551e30eb8dfae217d8bf18a Mon Sep 17 00:00:00 2001
From: Tanner Collin <git@tannercollin.com>
Date: Mon, 25 May 2020 15:21:52 -0600
Subject: [PATCH] Wait for chunks to load and tune physics

---
 bot.py | 35 ++++++++++++++++++++++-------------
 1 file changed, 22 insertions(+), 13 deletions(-)

diff --git a/bot.py b/bot.py
index 642c992..ea0a7de 100644
--- a/bot.py
+++ b/bot.py
@@ -14,7 +14,7 @@ from minecraft.networking.connection import Connection
 from minecraft.networking.packets import Packet, clientbound, serverbound
 from minecraft.networking.types import BlockFace, VarInt, Position, Boolean, Byte
 from minecraft.compat import input
-from minecraft.managers import ChunksManager
+from minecraft.managers import chunks, ChunksManager
 
 
 #class AcknowledgePlayerDiggingPacket(Packet):
@@ -729,12 +729,16 @@ def cap(x, amount):
 
 
 def tick(connection, player_info):
-    s['jobstate'].run()
-
     target = None
-
     p = player_info.pos
 
+    try:
+        player_info.chunks.get_block_at(*pint(p))
+    except chunks.ChunkNotLoadedException:
+        return
+
+    s['jobstate'].run()
+
     if s['path'] and len(s['path']):
         target = LPoint3f(s['path'][0])
         target.x += 0.5
@@ -749,27 +753,33 @@ def tick(connection, player_info):
             s['y_a'] = -36.0
 
         # jump gap
-        if d.xz.length() > 1.9 and not s['y_v']:
-            s['y_v'] = 10.0
+        if d.xz.length() > 1.6 and not s['y_v']:
+            s['y_v'] = 8.5
             s['y_a'] = -36.0
 
-        if d.length() > 0.2:
+        if d.length() > 0:
             if s['y_v'] < 5:
                 p.x -= cap(d.x, 0.2)
                 p.z -= cap(d.z, 0.2)
-        else:
+
+        if len(s['path']) > 1 and d.length() < 0.2:
             s['path'].pop(0)
 
+
     if s['y_v'] or s['y_a']:
         p.y += s['y_v'] * TICK
         s['y_v'] += s['y_a'] * TICK
 
-    if player_info.chunks.get_block_at(floor(p.x), ceil(p.y-1), floor(p.z)) not in blocks.NON_SOLID_IDS:
+    block_below = player_info.chunks.get_block_at(floor(p.x), ceil(p.y-1), floor(p.z))
+    in_air = block_below in blocks.NON_SOLID_IDS
+
+    if in_air:
+        s['y_a'] = -36.0
+    else:
         p.y = ceil(p.y)
         s['y_v'] = 0
         s['y_a'] = 0
-    else:
-        s['y_a'] = -36.0
+
 
 
     if s['look_at']:
@@ -801,8 +811,7 @@ def tick(connection, player_info):
         s['pitch'] += cap(target_pitch_d, 10)
 
 
-
-    packet = serverbound.play.PositionAndLookPacket(x=p.x, feet_y=p.y, z=p.z, pitch=s['pitch'], yaw=s['yaw'], on_ground=True)
+    packet = serverbound.play.PositionAndLookPacket(x=p.x, feet_y=p.y, z=p.z, pitch=s['pitch'], yaw=s['yaw'], on_ground=(not in_air))
     connection.write_packet(packet, force=True)
 
     if s['break']: