add video recording

Author: AndKram

MalmoEnv/malmoenv/core.py

@@ -84,6 +84,7 @@ class Env:
     def __init__(self, reshape=False):
         self.action_space = None
         self.observation_space = None
+        self.metadata = {'render.modes': ['rgb_array']}
         self.xml = None
         self.integratedServerPort = 0
         self.role = 0
@@ -104,11 +105,12 @@ def __init__(self, reshape=False):
         self.height = 0
         self.depth = 0
         self.reshape = reshape
+        self.last_obs = None
 
     def init(self, xml, port, server=None,
              server2=None, port2=None,
              role=0, exp_uid=None, episode=0,
-             action_filter=None, resync=0, step_options=0, action_space=None):
+             action_filter=None, resync=0, step_options=0, action_space=None, reshape=False):
         """"Initialize a Malmo environment.
             xml - the mission xml.
             port - the MalmoEnv service's port.
@@ -206,6 +208,7 @@ def init(self, xml, port, server=None,
                                       })
             self.xml.insert(2, e)
 
+        self.reshape = reshape
         video_producers = self.xml.findall('.//' + self.ns + 'VideoProducer')
         assert len(video_producers) == self.agent_count
         video_producer = video_producers[self.role]
@@ -236,6 +239,7 @@ def reset(self):
 
     @retry
     def _start_up(self):
+        self.last_obs = None
         self.resets += 1
         if self.role != 0:
             self._find_server()
@@ -275,7 +279,7 @@ def _peek_obs(self):
                 obs = np.zeros(self.height * self.width * self.depth, dtype=np.uint8)
         elif self.reshape:
             obs = obs.reshape((self.height, self.width, self.depth)).astype(np.uint8)
-
+        self.last_obs = obs
         return obs
 
     def _quit_episode(self):
@@ -284,9 +288,15 @@ def _quit_episode(self):
         ok, = struct.unpack('!I', reply)
         return ok != 0
 
-    def render(self):
+    def render(self, mode=None):
         """gym api render"""
-        pass
+        if self.last_obs is None:
+            if self.reshape:
+                self.last_obs = np.zeros((self.height, self.width, self.depth), dtype=np.uint8)
+            else:
+                self.last_obs = np.zeros(self.height * self.width * self.depth, dtype=np.uint8)
+
+        return np.flipud(self.last_obs)
 
     def seed(self):
         pass
@@ -336,6 +346,7 @@ def step(self, action):
                 obs = np.zeros((self.height, self.width, self.depth), dtype=np.uint8)
             else:
                 obs = obs.reshape((self.height, self.width, self.depth)).astype(np.uint8)
+        self.last_obs = obs
 
         return obs, reward, self.done, info
 

MalmoEnv/setup.py

@@ -24,7 +24,7 @@
 
 setuptools.setup(
     name="malmoenv",
-    version="0.0.6",
+    version="0.0.7",
     author="Andre Kramer",
     author_email="[email protected]",
     description="A gym environemnt for Malmo",

MalmoEnv/video_run.py

@@ -0,0 +1,84 @@
+# ------------------------------------------------------------------------------------------------
+# Copyright (c) 2018 Microsoft Corporation
+# 
+# Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
+# associated documentation files (the "Software"), to deal in the Software without restriction,
+# including without limitation the rights to use, copy, modify, merge, publish, distribute,
+# sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+# 
+# The above copyright notice and this permission notice shall be included in all copies or
+# substantial portions of the Software.
+# 
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
+# NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+# DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+# ------------------------------------------------------------------------------------------------
+
+import malmoenv
+import argparse
+from pathlib import Path
+import time
+import gym
+from gym.wrappers.monitoring.video_recorder import VideoRecorder
+
+import logging
+logging.basicConfig(level=logging.DEBUG)
+
+if __name__ == '__main__':
+
+    parser = argparse.ArgumentParser(description='malmovnv test')
+    parser.add_argument('--mission', type=str, default='missions/mobchase_single_agent.xml', help='the mission xml')
+    parser.add_argument('--port', type=int, default=9000, help='the mission server port')
+    parser.add_argument('--server', type=str, default='127.0.0.1', help='the mission server DNS or IP address')
+    parser.add_argument('--port2', type=int, default=None, help="(Multi-agent) role N's mission port. Defaults to server port.")
+    parser.add_argument('--server2', type=str, default=None, help="(Multi-agent) role N's server DNS or IP")
+    parser.add_argument('--episodes', type=int, default=1, help='the number of resets to perform - default is 1')
+    parser.add_argument('--episode', type=int, default=0, help='the start episode - default is 0')
+    parser.add_argument('--role', type=int, default=0, help='the agent role - defaults to 0')
+    parser.add_argument('--episodemaxsteps', type=int, default=0, help='max number of steps per episode')
+    parser.add_argument('--resync', type=int, default=0, help='exit and re-sync every N resets'
+                                                              ' - default is 0 meaning never.')
+    parser.add_argument('--experimentUniqueId', type=str, default='test1', help="the experiment's unique id.")
+    parser.add_argument('--video_path', type=str, default="video.mp4", help="Optional video path.")
+    args = parser.parse_args()
+    if args.server2 is None:
+        args.server2 = args.server
+
+    xml = Path(args.mission).read_text()
+    env = malmoenv.make()
+
+    env.init(xml, args.port,
+             server=args.server,
+             server2=args.server2, port2=args.port2,
+             role=args.role,
+             exp_uid=args.experimentUniqueId,
+             episode=args.episode,
+             resync=args.resync,
+             reshape=True)
+
+    rec = VideoRecorder(env, args.video_path)
+
+    for i in range(args.episodes):
+        print("reset " + str(i))
+        obs = env.reset()
+        rec.capture_frame()
+
+        steps = 0
+        done = False
+        while not done and (args.episodemaxsteps <= 0 or steps < args.episodemaxsteps):
+            action = env.action_space.sample()
+            rec.capture_frame()
+            obs, reward, done, info = env.step(action)
+            steps += 1
+            print("reward: " + str(reward))
+            # print("done: " + str(done))
+            print("obs: " + str(obs))
+            # print("info" + info)
+
+            time.sleep(.05)
+
+    rec.close()
+    env.close()