Made path_decay configurable

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2022 Dominik Roth
+
+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.

README.md

@@ -14,6 +14,12 @@ Project Columbus is a framework for trivial 2D OpenAI Gym environments that are
 pip install -e .
 ```
 
+## Overview
+
+Columbus.pdf contains a overview of columbus.
+
+## Layout of the Repo
+
 ### env.py
 
 ![Screenshot](./img_README.png)  
@@ -21,7 +27,9 @@ Contains the ColumbusEnv.
 There exist two ways to implement new envs:
 
 - Subclassing ColumbusEnv and expanding _init_ and overriding _setup_.
-- Using the ColumbusConfigDefined with a desired configuration. This makes configuring ColumbusEnvs via ClusterWorks2-configs possible. (See ColumbusConfigDefinedExample.yaml for an example of how the parameters are supposed to look like (uses yaml format), I don't have time to write a better documentation right now...) (To test this run 'python humanPlayer.py', select 5, give path to ColumbusConfigDefinedExample.yaml, select 0)
+- Using the ColumbusConfigDefined with a desired configuration. This makes configuring ColumbusEnvs via ClusterWorks2-configs possible. (See configs/example.yaml for an example of how the parameters are supposed to look like (uses yaml format)
+- We now support using units (px, em, ct) in config files, examples can be found in configs/Example_Units.yaml
+- The environments used in my thesis can also be found in configs/
 
 ##### Some caveats / infos
 

columbus/entities.py

@@ -19,6 +19,7 @@ class Entity(object):
         self.col = (255, 255, 255)
         self.solid = False
         self.movable = False  # False = Non movable, True = Movable, x>1: lighter movable
+        self.void_collidable = False
         self.elasticity = 1
         self.collision_changes_speed = self.env.controll_type == 'ACC'
         self.collision_elasticity = self.env.default_collision_elasticity
@@ -28,6 +29,11 @@ class Entity(object):
         self.draw_path = False
         self.draw_path_col = [int(c/5) for c in self.col]
         self.draw_path_width = 2
+        self.draw_path_harm = False
+        self.draw_path_harm_col = [c for c in self.draw_path_col]
+        self.draw_path_harm_col[0] += int(255/3)
+        self.min_speed = 0
+        self.max_speed = math.inf
 
     def __post_init__(self):
         pass
@@ -37,8 +43,13 @@ class Entity(object):
         vx, vy = self.speed
         ax, ay = self.acc
         vx, vy = vx+ax*self.env.acc_fac,  vy+ay*self.env.acc_fac
+        speeds = math.sqrt(vx**2 + vy**2)
+        if speeds < self.min_speed:
+            vx, vy = vx/speeds*self.min_speed, vy/speeds*self.min_speed
+        if speeds > self.max_speed:
+            vx, vy = vx/speeds*self.max_speed, vy/speeds*self.max_speed
         x, y = x+vx*self.env.speed_fac, y+vy*self.env.speed_fac
-        if not self.env.torus_topology:
+        if not self.env.torus_topology and self.void_collidable:
             if x > 1 or x < 0:
                 x, y, vx, vy = self.calc_void_collision(x < 0, x, y, vx, vy)
             if y > 1 or y < 0:
@@ -63,8 +74,14 @@ class Entity(object):
 
     def _draw_path(self):
         if self.draw_path and self.last_pos:
-            pygame.draw.line(self.env.path_overlay, self.draw_path_col,
+            col = self.draw_path_col
+            if self.draw_path_harm:
+                if self.env.gotHarm:
+                    col = self.draw_path_harm_col
+            pygame.draw.line(self.env.path_overlay, col,
                              (self.last_pos[0]*self.env.width, self.last_pos[1]*self.env.height), (self.pos[0]*self.env.width, self.pos[1]*self.env.height), self.draw_path_width)
+            pygame.draw.circle(self.env.path_overlay, col,
+                               (self.pos[0]*self.env.width, self.pos[1]*self.env.height), max(0, self.draw_path_width/2-3))
         self.last_pos = self.pos[0], self.pos[1]
 
     def on_collision(self, other, depth):
@@ -83,9 +100,16 @@ class Entity(object):
             return
         force_dir = force_dir[0]/force_dir_len, force_dir[1]/force_dir_len
         if not self.env.torus_topology:
-            if self.env.agent.pos[0] > 0.99 or self.env.agent.pos[0] < 0.01:
+            if self == self.env.agent:
+                agent = self
+            elif other == self.env.agent:
+                agent = other
+            else:
+                agent = None
+            if agent:
+                if agent.pos[0] > 0.99 or agent.pos[0] < 0.01:
                     force_dir = force_dir[0], force_dir[1] * 2
-            if self.env.agent.pos[1] > 0.99 or self.env.agent.pos[1] < 0.01:
+                if agent.pos[1] > 0.99 or agent.pos[1] < 0.01:
                     force_dir = force_dir[0] * 2, force_dir[1]
         depth *= 1.0*self.movable/(self.movable + other.movable)/2
         depth /= other.elasticity
@@ -130,6 +154,24 @@ class Entity(object):
     def kill(self):
         self.env.kill_entity(self)
 
+    def getQuasiRadius(self):
+        raise Exception()
+
+    def getTop(self):
+        raise Exception()
+
+    def getBottom(self):
+        raise Exception()
+
+    def getLeft(self):
+        raise Exception()
+
+    def getRight(self):
+        raise Exception()
+
+    def getCenter(self):
+        raise Exception()
+
 
 class CircularEntity(Entity):
     def __init__(self, env):
@@ -199,6 +241,24 @@ class CircularEntity(Entity):
             raise Exception(
                 '[!] Shape "circle" does not know how to collide with shape "'+str(other.shape)+'"')
 
+    def getQuasiRadius(self):
+        return self.radius
+
+    def getTop(self):
+        return self.pos[1]*self.env.height - self.radius
+
+    def getBottom(self):
+        return self.pos[1]*self.env.height + self.radius
+
+    def getLeft(self):
+        return self.pos[0]*self.env.width - self.radius
+
+    def getRight(self):
+        return self.pos[0]*self.env.width + self.radius
+
+    def getCenter(self):
+        return self.pos[0]*self.env.width, self.pos[1]*self.env.height
+
 
 class RectangularEntity(Entity):
     def __init__(self, env):
@@ -219,6 +279,58 @@ class RectangularEntity(Entity):
         raise Exception(
             '[!] Collisions in this direction not implemented for shape "rectangle"')
 
+    def physics_step(self):
+        x, y = self.pos
+        vx, vy = self.speed
+        ax, ay = self.acc
+        vx, vy = vx+ax*self.env.acc_fac,  vy+ay*self.env.acc_fac
+        speeds = math.sqrt(vx**2 + vy**2)
+        if speeds < self.min_speed:
+            vx, vy = vx/speeds*self.min_speed, vy/speeds*self.min_speed
+        if speeds > self.max_speed:
+            vx, vy = vx/speeds*self.max_speed, vy/speeds*self.max_speed
+        x, y = x+vx*self.env.speed_fac, y+vy*self.env.speed_fac
+        if not self.env.torus_topology and self.void_collidable:
+            if x+(self.width/self.env.width) > 1 or x < 0:
+                if x < 0:
+                    x, y, vx, vy = self.calc_void_collision(
+                        x < 0, x, y, vx, vy)
+                else:
+                    x, y, vx, vy = self.calc_void_collision(
+                        x < 0, x+(self.width/self.env.width), y, vx, vy)
+                    x -= (self.width/self.env.width)
+            if y+(self.height/self.env.height) > 1 or y < 0:
+                if y < 0:
+                    x, y, vx, vy = self.calc_void_collision(
+                        2 + (x < 0), x, y, vx, vy)
+                else:
+                    x, y, vx, vy = self.calc_void_collision(
+                        2 + (x < 0), x, y+(self.height/self.env.height), vx, vy)
+                    y -= (self.height/self.env.height)
+        else:
+            x = x % 1
+            y = y % 1
+        self.speed = vx/(1+self.drag), vy/(1+self.drag)
+        self.pos = x, y
+
+    def getQuasiRadius(self):
+        return self.width + self.height
+
+    def getTop(self):
+        return self.pos[1]*self.env.height
+
+    def getBottom(self):
+        return self.pos[1]*self.env.height + self.height
+
+    def getLeft(self):
+        return self.pos[0]*self.env.width
+
+    def getRight(self):
+        return self.pos[0]*self.env.width*self.env.height + self.width
+
+    def getCenter(self):
+        return self.pos[0]*self.env.width+self.width/2, self.pos[1]*self.env.height+self.height/2
+
 
 class Agent(CircularEntity):
     def __init__(self, env):
@@ -229,6 +341,31 @@ class Agent(CircularEntity):
         self.controll_type = self.env.controll_type
         self.solid = True
         self.movable = True
+        self.void_collidable = True
+
+    def controll_step(self):
+        self._read_input()
+        self.env.check_collisions_for(self)
+
+    def _read_input(self):
+        if self.controll_type == 'SPEED':
+            self.speed = self.env.inp[0] - 0.5, self.env.inp[1] - 0.5
+        elif self.controll_type == 'ACC':
+            self.acc = self.env.inp[0] - 0.5, self.env.inp[1] - 0.5
+        else:
+            raise Exception('Unsupported controll_type')
+
+
+# Does not work! Don't use!
+class PongAgent(RectangularEntity):
+    def __init__(self, env):
+        super(PongAgent, self).__init__(env)
+        self.pos = (0.5, 0.5)
+        self.col = (0, 0, 255)
+        self.drag = self.env.agent_drag
+        self.controll_type = self.env.controll_type
+        self.solid = True
+        self.movable = True
 
     def controll_step(self):
         self._read_input()
@@ -236,9 +373,9 @@ class Agent(CircularEntity):
 
     def _read_input(self):
         if self.controll_type == 'SPEED':
-            self.speed = self.env.inp[0] - 0.5, self.env.inp[1] - 0.5
+            self.speed = 0, self.env.inp[1] - 0.5
         elif self.controll_type == 'ACC':
-            self.acc = self.env.inp[0] - 0.5, self.env.inp[1] - 0.5
+            self.acc = 0, self.env.inp[1] - 0.5
         else:
             raise Exception('Unsupported controll_type')
 
@@ -340,6 +477,33 @@ class Collectable(CircularEntity):
             self.env.check_collisions_for(self)
 
 
+class RectCollectable(RectangularEntity):
+    def __init__(self, env):
+        super(RectCollectable, self).__init__(env)
+        self.avaible = True
+        self.enforce_not_on_barrier = False
+        self.reward = 10
+        self.collectors = []
+
+    def on_collision(self, other, depth):
+        super().on_collision(other, depth)
+        if isinstance(other, Barrier):
+            self.on_barrier_collision()
+        else:
+            for Col in self.collectors:
+                if isinstance(other, Col):
+                    other.on_collect(self)
+                    self.on_collected()
+
+    def on_collected(self):
+        self.env.new_reward += self.reward
+
+    def on_barrier_collision(self):
+        if self.enforce_not_on_barrier:
+            self.pos = (self.env.random(), self.env.random())
+            self.env.check_collisions_for(self)
+
+
 class Reward(Collectable):
     def __init__(self, env):
         super(Reward, self).__init__(env)
@@ -470,6 +634,14 @@ class Goal(Collectable):
         self.collectors = [Ball]
 
 
+class RectGoal(RectCollectable):
+    def __init__(self, env):
+        super(RectGoal, self).__init__(env)
+        self.col = (0, 200, 0)
+        self.reward = 500
+        self.collectors = [Ball]
+
+
 class TeleportingGoal(Goal):
     def __init__(self, env):
         super(TeleportingGoal, self).__init__(env)

columbus/env.py

@@ -6,46 +6,17 @@ import pygame
 import random as random_dont_use
 from os import urandom
 import math
-from columbus import entities, observables
 import torch as th
 
-
-def parseObs(obsConf):
-    if type(obsConf) == list:
-        obs = []
-        for i, c in enumerate(obsConf):
-            obs.append(parseObs(c))
-        if len(obs) == 1:
-            return obs[0]
-        else:
-            return observables.CompositionalObservable(obs)
-
-    if obsConf['type'] == 'State':
-        conf = {k: v for k, v in obsConf.items() if k not in ['type']}
-        return observables.StateObservable(**conf)
-    elif obsConf['type'] == 'Compass':
-        conf = {k: v for k, v in obsConf.items() if k not in ['type']}
-        return observables.CompassObservable(**conf)
-    elif obsConf['type'] == 'RayCast':
-        chans = []
-        for chan in obsConf.get('chans', []):
-            chans.append(getattr(entities, chan))
-        conf = {k: v for k, v in obsConf.items() if k not in ['type', 'chans']}
-        return observables.RayObservable(chans=chans, **conf)
-    elif obsConf['type'] == 'CNN':
-        conf = {k: v for k, v in obsConf.items() if k not in ['type']}
-        return observables.CnnObservable(**conf)
-    elif obsConf['type'] == 'Dummy':
-        conf = {k: v for k, v in obsConf.items() if k not in ['type']}
-        return observables.Observable(**conf)
-    else:
-        raise Exception('Unknown Observable selected')
+from columbus import entities, observables
+from columbus.utils import soft_int, parseObs
 
 
 class ColumbusEnv(gym.Env):
-    metadata = {'render.modes': ['human']}
+    metadata = {'render.modes': ['human'], 'render_modes': [
+        'human', 'non-human'], 'render_fps': 60}
 
-    def __init__(self, observable=observables.Observable(), fps=60, env_seed=3.1, master_seed=None, start_pos=(0.5, 0.5), start_score=0, speed_fac=0.01, acc_fac=0.04, die_on_zero=False, return_on_score=-1, reward_mult=1, agent_drag=0, controll_type='SPEED', aux_reward_max=1, aux_penalty_max=0, aux_reward_discretize=0, void_is_type_barrier=True, void_damage=1, torus_topology=False, default_collision_elasticity=1, terminate_on_reward=False, agent_draw_path=False, clear_path_on_reset=True, max_steps=-1, value_color_mapper=None):
+    def __init__(self, observable=observables.Observable(), fps=60, env_seed=3.1, master_seed=None, start_pos=(0.5, 0.5), start_score=0, speed_fac=0.01, acc_fac=0.04, die_on_zero=False, return_on_score=-1, reward_mult=1, agent_drag=0, controll_type='SPEED', aux_reward_max=1, aux_penalty_max=0, aux_reward_discretize=0, void_is_type_barrier=True, void_damage=1, torus_topology=False, default_collision_elasticity=1, terminate_on_reward=False, agent_draw_path=False, clear_path_on_reset=True, max_steps=-1, value_color_mapper='tanh', width=720, height=720, agent_attrs={}, agent_cls=entities.Agent, exception_for_unsupported_collision=True, path_decay=0.1):
         super(ColumbusEnv, self).__init__()
         self.action_space = spaces.Box(
             low=-1, high=1, shape=(2,), dtype=np.float32)
@@ -53,14 +24,14 @@ class ColumbusEnv(gym.Env):
             observable = parseObs(observable)
         observable._set_env(self)
         self.observable = observable
-        self.title = 'Untitled'
+        self.title = 'Columbus Env'
         self.fps = fps
         self.env_seed = env_seed
         self.joystick_offset = (10, 10)
         self.surface = None
         self.screen = None
-        self.width = 720
-        self.height = 720
+        self.width = width
+        self.height = height
         self.visible = False
         self.start_pos = start_pos
         self.speed_fac = speed_fac/fps*60
@@ -91,6 +62,19 @@ class ColumbusEnv(gym.Env):
         self.terminate_on_reward = terminate_on_reward
         self.agent_draw_path = agent_draw_path
         self.clear_path_on_reset = clear_path_on_reset
+        self.path_decay = path_decay
+
+        if isinstance(agent_cls, str):
+            agent_cls = getattr(entities, agent_cls)
+        self.Agent_cls = agent_cls
+        self.agent_attrs = agent_attrs
+
+        self.exception_for_unsupported_collision = exception_for_unsupported_collision
+
+        if value_color_mapper == 'atan':
+            def value_color_mapper(x): return th.atan(x*2)/0.786/2
+        elif value_color_mapper == 'tanh':
+            def value_color_mapper(x): return th.tanh(x*2)/0.762/2
         self.value_color_mapper = value_color_mapper
 
         self.max_steps = max_steps
@@ -111,6 +95,8 @@ class ColumbusEnv(gym.Env):
 
         self._init = False
 
+        self.is_columbus_env = True
+
     @property
     def observation_space(self):
         if not self._init:
@@ -235,11 +221,12 @@ class ColumbusEnv(gym.Env):
             self._step_entities()
         observation = self.observable.get_observation()
         gotRew = self.new_reward > 0 or self.new_abs_reward > 0
+        self.gotHarm = self.new_reward < 0 or self.new_abs_reward < 0
         reward, self.new_reward, self.new_abs_reward = self.new_reward / \
             self.fps + self.new_abs_reward, 0, 0
         if not self.torus_topology:
-            if self.agent.pos[0] < 0.001 or self.agent.pos[0] > 0.999 \
-                    or self.agent.pos[1] < 0.001 or self.agent.pos[1] > 0.999:
+            if self.agent.getTop() < 1 or self.agent.getBottom() > self.height-1 \
+                    or self.agent.getLeft() < 1 or self.agent.getRight() > self.width-1:
                 reward -= self.void_damage/self.fps
         self.score += reward  # aux_reward does not count towards the score
         if self.aux_reward_max or self.aux_penalty_max:
@@ -273,8 +260,10 @@ class ColumbusEnv(gym.Env):
         elif shapes == ['circle', 'rect']:
             return sum([abs(d) for d in e1._get_crash_force_dir(e2)])
         else:
+            if self.exception_for_unsupported_collision:
                 raise Exception(
                     'Checking for collision between unsupported shapes: '+str(shapes))
+            return 0.0
 
     def kill_entity(self, target):
         newEntities = []
@@ -290,6 +279,12 @@ class ColumbusEnv(gym.Env):
         self.agent.pos = self.start_pos
         # Expand this function
 
+    def _spawnAgent(self):
+        self.agent = self.Agent_cls(self)
+        self.agent.draw_path = self.agent_draw_path
+        for k, v in self.agent_attrs.items():
+            setattr(self.agent, k, v)
+
     def reset(self, force_reset_path=False):
         pygame.init()
         self._init = True
@@ -302,11 +297,11 @@ class ColumbusEnv(gym.Env):
         # will get rescaled acording to fps (=reward per second)
         self.new_reward = 0
         self.new_abs_reward = 0  # will not get rescaled. should be used for one-time rewards
+        self.gotHarm = False
         self.score = self.start_score
         self.entities = []
         self.timers = []
-        self.agent = entities.Agent(self)
-        self.agent.draw_path = self.agent_draw_path
+        self._spawnAgent()
         self.setup()
         self.entities.append(self.agent)  # add it last, will be drawn on top
         self.observable.reset()
@@ -344,10 +339,9 @@ class ColumbusEnv(gym.Env):
 
             V = value_func(th.Tensor(np.array(obs)))
             V /= max(V.max(), -1*V.min())*2
-            V += 0.5
-
             if color_mapper != None:
                 V = color_mapper(V)
+            V += 0.5
 
             c = 0
             for i in range(resolution):
@@ -381,13 +375,13 @@ class ColumbusEnv(gym.Env):
             pygame.draw.circle(self.screen, smolcol, (20+int(60*x) +
                                                       self.joystick_offset[0], 20+int(60*y)+self.joystick_offset[1]), 20, width=0)
 
-    def _draw_confidence_ellipse(self, chol, forceDraw=False, seconds=0.5):
+    def _draw_confidence_ellipse(self, chol, forceDraw=False, seconds=0.1):
         # The 'seconds'-parameter only really makes sense, when using control_type='SPEED',
         # you can still use it to scale the cov-ellipse when using control_type='ACC',
         # but it's relation to 'seconds' is no longer there...
         if self.draw_confidence_ellipse and (self.visible or forceDraw):
             col = (255, 255, 255)
-            f = seconds*self.speed_fac*self.fps*max(self.width, self.height)
+            f = seconds*self.speed_fac*self.fps*max(self.height, self.width)
 
             while len(chol.shape) > 2:
                 chol = chol[0]
@@ -399,9 +393,8 @@ class ColumbusEnv(gym.Env):
 
             L, V = th.linalg.eig(cov)
             L, V = L.real, V.real
-            # 5.911 is the magic-number to get a 95%-confidence interval
-            l1, l2 = int(abs(math.sqrt(L[0].item()*5.911)*f)) + \
-                1, int(abs(math.sqrt(L[1].item()*5.911)*f))+1
+            l1, l2 = int(abs(math.sqrt(L[0].item())*f)) + \
+                1, int(abs(math.sqrt(L[1].item())*f))+1
 
             if l1 >= l2:
                 w, h = l1, l2
@@ -424,6 +417,14 @@ class ColumbusEnv(gym.Env):
             self.screen.blit(rotated_surf, rotated_surf.get_rect(
                 center=rect.center))
 
+    def _draw_paths(self):
+        if self.path_decay != 0.0:
+            s = pygame.Surface((self.width, self.height))
+            s.set_alpha(soft_int(255*self.path_decay/self.fps))
+            s.fill((0, 0, 0))
+            self.path_overlay.blit(s, (0, 0))
+        self.surface.blit(self.path_overlay, (0, 0))
+
     def _handle_user_input(self):
         for event in pygame.event.get():
             pass
@@ -468,7 +469,7 @@ class ColumbusEnv(gym.Env):
         if value_func != None:
             self._draw_values(value_func, values_static,
                               color_mapper=self.value_color_mapper)
-        self.surface.blit(self.path_overlay, (0, 0))
+        self._draw_paths()
         if self.draw_entities:
             self._draw_entities()
         else:
@@ -491,6 +492,123 @@ class ColumbusEnv(gym.Env):
         pygame.quit()
 
 
+class ColumbusConfigDefined(ColumbusEnv):
+    # Allows defining Columbus Environments using dicts.
+    # Intended to be used in combination with cw2 configuration.
+    # Look into humanPlayer to see how this is supposed to be interfaced with.
+
+    def __init__(self, observable={}, env_seed=None, entities=[], fps=30, **kw):
+        super().__init__(
+            observable=observable, fps=fps, env_seed=env_seed, **kw)
+        self.entities_definitions = entities
+        self.start_pos = self.conv_unit(self.start_pos[0], target='em', axis='x'), self.conv_unit(
+            self.start_pos[1], target='em', axis='y')
+
+    def is_unit(self, s):
+        if type(s) in [int, float]:
+            return True
+        if s.replace('.', '', 1).replace('-', '0', 1).isdigit():
+            return True
+        num, unit = s[:-2], s[-2:]
+        if unit in ['px', 'em', 'rx', 'ry', 'ct', 'au']:
+            if num.replace('.', '', 1).replace('-', '0', 1).isdigit():
+                return True
+        return False
+
+    def conv_unit(self, s, target='px', axis='x'):
+        assert self.is_unit(s)
+        if type(s) in [int, float]:
+            return s
+        if s.replace('.', '', 1).isdigit():
+            if target == 'px':
+                return int(s)
+            return float(s)
+        num, unit = s[:-2], s[-2:]
+        num = float(num)
+        if unit == 'rx':
+            unit = 'px'
+            axis = 'x'
+        elif unit == 'ry':
+            unit = 'px'
+            axis = 'y'
+        if unit == 'em':
+            em = num
+        elif unit == 'px':
+            em = num / ({'x': self.width, 'y': self.height}[axis])
+        elif unit == 'au':
+            em = num * 36 / ({'x': self.width, 'y': self.height}[axis])
+        elif unit == 'ct':
+            em = num / 100
+        else:
+            raise Exception('Conversion not implemented')
+
+        if target == 'em':
+            return em
+        elif target == 'px':
+            return int(em * ({'x': self.width, 'y': self.height}[axis]))
+
+    def setup(self):
+        self.agent.pos = self.start_pos
+        for i, e in enumerate(self.entities_definitions):
+            Entity = getattr(entities, e['type'])
+            for i in range(e.get('num', 1) + int(self.random()*(0.99+e.get('num_rand', 0)))):
+                entity = Entity(self)
+                conf = {k: v for k, v in e.items() if str(
+                    k) not in ['num', 'num_rand', 'type']}
+
+                for k, v_raw in conf.items():
+                    if k == 'pos':
+                        v = self.conv_unit(v_raw[0], target='em', axis='x'), self.conv_unit(
+                            v_raw[1], target='em', axis='y')
+                    elif k in ['width', 'height', 'radius']:
+                        v = self.conv_unit(
+                            v_raw, target='px', axis='y' if k == 'height' else 'x')
+                    else:
+                        v = v_raw
+                    if k.endswith('_rand'):
+                        v = self.conv_unit(
+                            v_raw, target='px', axis='y' if k == 'height_rand' else 'x')
+                        if isinstance(v, int):
+                            n = k.replace('_rand', '')
+                            cur = getattr(
+                                entity, n)
+                            inc = int((v+0.99)*self.random())
+                            setattr(entity, n, cur + inc)
+                        elif isinstance(v, float):
+                            n = k.replace('_rand', '')
+                            cur = getattr(
+                                entity, n)
+                            inc = v*self.random()
+                            setattr(entity, n, cur + inc)
+                        elif isinstance(v, list):
+                            for vi, ve in enumerate(v):
+                                if isinstance(v, int):
+                                    n = k.replace('_rand', '')
+                                    cur = getattr(
+                                        entity, n)
+                                    cur[vi] = int((v+0.99)*self.random())
+                                    setattr(entity, n, cur)
+                                elif isinstance(v, float):
+                                    n = k.replace('_rand', '')
+                                    cur = getattr(
+                                        entity, n)
+                                    cur[vi] = v*self.random()
+                                    setattr(entity, n, cur)
+                    elif k.endswith('_randf'):
+                        n = k.replace('_randf', '')
+                        cur = getattr(
+                            entity, n)
+                        inc = v*self.random()
+                        setattr(entity, n, cur + inc)
+                    else:
+                        setattr(entity, k, v)
+
+                self.entities.append(entity)
+
+###
+# Custom Env Definitions
+
+
 class ColumbusTest3_1(ColumbusEnv):
     def __init__(self, observable=observables.CnnObservable(out_width=48, out_height=48), fps=30, aux_reward_max=1, **kw):
         super(ColumbusTest3_1, self).__init__(
@@ -830,40 +948,6 @@ class ColumbusFootball(ColumbusEnv):
             self.entities.append(entities.FlyingFootballPlayer(self, ball))
 
 
-class ColumbusConfigDefined(ColumbusEnv):
-    def __init__(self, observable={}, env_seed=None, entities=[], fps=30, **kw):
-        super().__init__(
-            observable=observable, fps=fps, env_seed=env_seed, **kw)
-        self.entities_definitions = entities
-
-    def setup(self):
-        self.agent.pos = self.start_pos
-        for i, e in enumerate(self.entities_definitions):
-            Entity = getattr(entities, e['type'])
-            for i in range(e.get('num', 1) + int(self.random()*(0.99+e.get('num_rand', 0)))):
-                entity = Entity(self)
-                conf = {k: v for k, v in e.items() if str(
-                    k) not in ['num', 'num_rand', 'type']}
-
-                for k, v in conf.items():
-                    if k.endswith('_rand'):
-                        n = k.replace('_rand', '')
-                        cur = getattr(
-                            entity, n)
-                        inc = int((v+0.99)*self.random())
-                        setattr(entity, n, cur + inc)
-                    elif k.endswith('_randf'):
-                        n = k.replace('_randf', '')
-                        cur = getattr(
-                            entity, n)
-                        inc = v*self.random()
-                        setattr(entity, n, cur + inc)
-                    else:
-                        setattr(entity, k, v)
-
-                self.entities.append(entity)
-
-
 class ColumbusBlub(ColumbusEnv):
     def __init__(self, observable=observables.CompositionalObservable([observables.StateObservable(), observables.RayObservable(num_rays=6, chans=[entities.Enemy])]), env_seed=None, entities=[], fps=30, **kw):
         super().__init__(
@@ -877,7 +961,22 @@ class ColumbusBlub(ColumbusEnv):
             enemy.width, enemy.height = 200, 75
             self.entities.append(enemy)
 
+
 ###
+# Registering Envs fro Gym
+register(  # Legacy
+    id='ColumbusConfigDefined-v0',
+    entry_point=ColumbusConfigDefined,
+    max_episode_steps=30*60*2,  # 2 min at default (30) fps
+)
+
+register(
+    id='Columbus-v1',
+    entry_point=ColumbusConfigDefined
+)
+
+###
+
 # register(
 #    id='ColumbusBlub-v0',
 #    entry_point=ColumbusBlub,
@@ -885,17 +984,17 @@ class ColumbusBlub(ColumbusEnv):
 # )
 
 
-register(
-    id='ColumbusTestCnn-v0',
-    entry_point=ColumbusTest3_1,
-    max_episode_steps=30*60*2,
-)
+# register(
+#    id='ColumbusTestCnn-v0',
+#    entry_point=ColumbusTest3_1,
+#    max_episode_steps=30*60*2,
+# )
 
-register(
-    id='ColumbusTestRay-v0',
-    entry_point=ColumbusTestRay,
-    max_episode_steps=30*60*2,
-)
+# register(
+#    id='ColumbusTestRay-v0',
+#    entry_point=ColumbusTestRay,
+#    max_episode_steps=30*60*2,
+# )
 
 # register(
 #    id='ColumbusRayDrone-v0',
@@ -933,11 +1032,11 @@ register(
 #    max_episode_steps=30*60*2,
 # )
 
-register(
-    id='ColumbusStateWithBarriers-v0',
-    entry_point=ColumbusStateWithBarriers,
-    max_episode_steps=30*60*2,
-)
+# register(
+#    id='ColumbusStateWithBarriers-v0',
+#    entry_point=ColumbusStateWithBarriers,
+#    max_episode_steps=30*60*2,
+# )
 
 # register(
 #    id='ColumbusCompassWithBarriers-v0',
@@ -969,12 +1068,6 @@ register(
 #    max_episode_steps=30*60*2,
 # )
 
-register(
-    id='ColumbusConfigDefined-v0',
-    entry_point=ColumbusConfigDefined,
-    max_episode_steps=30*60*2,
-)
-
 register(
     id='ColumbusDemoEnvFootball-v0',
     entry_point=ColumbusDemoEnvFootball,

columbus/humanPlayer.py

@@ -71,7 +71,8 @@ def chooseEnv():
 
 
 def value_func(obs):
-    return th.rand(obs.shape[0])-0.5
+    return obs[:, 0]
+    # return th.rand(obs.shape[0])-0.5
 
 
 def playEnv(env):

columbus/observables.py

@@ -16,7 +16,7 @@ class Observable():
     def get_observation_space(self):
         print("[!] Using dummyObservable. Env won't output anything")
         return spaces.Box(low=0, high=1,
-                          shape=(1,), dtype=np.float32)
+                          shape=(1,), dtype=np.float64)
 
     def get_observation(self):
         return np.array([0])
@@ -45,7 +45,7 @@ class CnnObservable(Observable):
 
     def get_observation_space(self):
         return spaces.Box(low=0, high=255,
-                          shape=(self.out_width, self.out_height, 3), dtype=np.float32)
+                          shape=(self.out_width, self.out_height, 3), dtype=np.float64)
 
     def get_observation(self):
         if not self.env._rendered:
@@ -132,24 +132,31 @@ class RayObservable(Observable):
                             'Can only raycast circular and rectangular entities!')
         return False
 
+    # Filter out entities, that we sure are out of range
+    # (so we have to do less work for the ray collisions)
     def _get_possible_entities(self):
         entities_l = []
         if entities.Void in self.chans or self.env.void_barrier:
             entities_l.append(entities.Void(self.env))
         for entity in self.env.entities:
             if entity.shape == 'rect':
+                x, y = entity.pos[0]+entity.width/self.env.width / \
+                    2, entity.pos[1]+entity.height/self.env.height/2
                 radius = (entity.width/2 + entity.height/2)*1.0
             elif entity.shape == 'circle':
+                x, y = entity.pos[0], entity.pos[1]
                 radius = entity.radius
             else:
                 raise Exception(
                     'Can only raycast circular and rectangular entities!')
-            sq_dist = ((self.env.agent.pos[0]-entity.pos[0])*self.env.width) ** 2 \
-                + ((self.env.agent.pos[1]-entity.pos[1])*self.env.height) ** 2
-            if sq_dist <= (radius + self.env.agent.radius + self.ray_len)**2:
+            sq_dist = ((self.env.agent.pos[0]-x)*self.env.width) ** 2 \
+                + ((self.env.agent.pos[1]-y)*self.env.height) ** 2
+            if sq_dist <= (radius + self.env.agent.getQuasiRadius() + self.ray_len)**2:
                 entities_l.append(entity)  # cannot use yield here!
         return entities_l
 
+    # Ugly, inefficient ray casting
+    # Oh well, it works...
     def get_observation(self):
         entities = self._get_possible_entities()
         self.rays = np.zeros((self.num_rays+self.include_rand, self.num_chans))
@@ -243,8 +250,8 @@ class StateObservable(Observable):
         self.reset()
         num = len(self.entities)*2+len(self._timeoutEntities) + \
             self.speedAgent*2 + self.include_rand
-        return spaces.Box(low=0-1*self.coordsRelativeToAgent, high=1,
-                          shape=(num,), dtype=np.float32)
+        return spaces.Box(low=0-1*(self.coordsRelativeToAgent or self.speedAgent), high=1,
+                          shape=(num,), dtype=np.float64)
 
     def get_observation(self):
         obs = []
@@ -324,7 +331,7 @@ class CompassObservable(Observable):
         self.reset()
         num = len(self.entities)*2
         return spaces.Box(low=-1, high=1,
-                          shape=(num,), dtype=np.float32)
+                          shape=(num,), dtype=np.float64)
 
     def reset(self):
         self._entities = None
@@ -378,7 +385,7 @@ class CompositionalObservable(Observable):
                 low = np.hstack((low, space.low.reshape((-1))))
                 high = np.hstack((high, space.high.reshape((-1))))
         return spaces.Box(low=low, high=high,
-                          shape=(num,), dtype=np.float32)
+                          shape=(num,), dtype=np.float64)
 
     def get_observation(self):
         o = [obs.get_observation().reshape((-1))

columbus/utils.py

@@ -0,0 +1,42 @@
+from columbus import entities, observables
+
+import random as random_dont_use
+
+
+def parseObs(obsConf):
+    # Parsing Observable Definitions
+    if type(obsConf) == list:
+        obs = []
+        for i, c in enumerate(obsConf):
+            obs.append(parseObs(c))
+        if len(obs) == 1:
+            return obs[0]
+        else:
+            return observables.CompositionalObservable(obs)
+
+    if obsConf['type'] == 'State':
+        conf = {k: v for k, v in obsConf.items() if k not in ['type']}
+        return observables.StateObservable(**conf)
+    elif obsConf['type'] == 'Compass':
+        conf = {k: v for k, v in obsConf.items() if k not in ['type']}
+        return observables.CompassObservable(**conf)
+    elif obsConf['type'] == 'RayCast':
+        chans = []
+        for chan in obsConf.get('chans', []):
+            chans.append(getattr(entities, chan))
+        conf = {k: v for k, v in obsConf.items() if k not in ['type', 'chans']}
+        return observables.RayObservable(chans=chans, **conf)
+    elif obsConf['type'] == 'CNN':
+        conf = {k: v for k, v in obsConf.items() if k not in ['type']}
+        return observables.CnnObservable(**conf)
+    elif obsConf['type'] == 'Dummy':
+        conf = {k: v for k, v in obsConf.items() if k not in ['type']}
+        return observables.Observable(**conf)
+    else:
+        raise Exception('Unknown Observable selected')
+
+
+def soft_int(num):
+    i = int(num)
+    r = num - i
+    return i + int(random_dont_use.random() < r)

configs/Env_A_Local_Optima.yaml

@@ -0,0 +1,78 @@
+name: "DEFAULT"
+
+params:
+  task:
+    task: columbus
+    env_name: ColumbusConfigDefined-v0
+    env_args:
+      observable:
+        - type: State
+          coordsAgent: True
+          speedAgent: True
+          coordsRelativeToAgent: False
+          coordsRewards: True
+          coordsEnemys: False
+          enemysNoBarriers: True
+          rewardsTimeouts: False
+          include_rand: True
+        - type: State
+          coordsAgent: False
+          speedAgent: False
+          coordsRelativeToAgent: True
+          coordsRewards: True
+          coordsEnemys: False
+          enemysNoBarriers: True
+          rewardsTimeouts: False
+          include_rand: True
+        - type: Compass
+        - type: RayCast
+          num_rays: 6
+          chans: [Enemy]
+      entities:
+        - type: RectBarrier
+          damage: 1 #1
+          width: 300
+          height: 120 # 360 - 5%(720)
+          pos: [0, 0]
+        - type: RectBarrier
+          damage: 1 #1
+          width: 300
+          height: 1000
+          pos: [0, 0.25]
+        - type: RectBarrier
+          damage: 1 #1
+          width: 250
+          height: 30
+          pos: [0.55, 0.6]
+        - type: RectBarrier
+          damage: 1 #1
+          width: 30
+          height: 120
+          pos: [0.856, 0.475]
+        - type: RectBarrier
+          num: 0
+          damage: 1 #1
+          width: 50
+          width_rand: 100
+          height: 25
+          height_rand: 100
+        - type: OnceReward
+          reward: 100
+          radius: 20
+          pos: [0.9, 0.8]
+      start_pos: [0.1, 0.21]
+      default_collision_elasticity: 0.8
+      start_score: 10
+      speed_fac: 0.01
+      acc_fac: 0.1
+      die_on_zero: False #True
+      agent_drag: 0.1 # 0.05
+      controll_type: ACC # SPEED
+      aux_reward_max: 1
+      aux_penalty_max: 0.01
+      void_damage: 5 #1
+      terminate_on_reward: True
+      agent_draw_path: True
+      clear_path_on_reset: False
+      max_steps: 450 # 1800
+---

configs/Env_B_Random_Gen.yaml

@@ -0,0 +1,54 @@
+name: "DEFAULT"
+
+params:
+  task:
+    task: columbus
+    num_envs: 8
+    env_args:
+      observable:
+        - type: State
+          coordsAgent: True
+          speedAgent: True
+          coordsRelativeToAgent: False
+          coordsRewards: True
+          coordsEnemys: False
+          enemysNoBarriers: True
+          rewardsTimeouts: False
+          include_rand: True
+        - type: State
+          coordsAgent: False
+          speedAgent: False
+          coordsRelativeToAgent: True
+          coordsRewards: True
+          coordsEnemys: False
+          enemysNoBarriers: True
+          rewardsTimeouts: False
+          include_rand: True
+        - type: Compass
+        - type: RayCast
+          num_rays: 8
+          chans: [Enemy]
+      entities:
+        - type: CircleBarrier
+          num: 8
+          num_rand: 6
+          damage: 20 #20
+          radius: 25
+          radius_rand: 75
+        - type: TeleportingReward
+          num: 1
+          reward: 100 #100
+          radius: 20
+      default_collision_elasticity: 0.8
+      start_score: 50
+      speed_fac: 0.01
+      acc_fac: 0.1
+      die_on_zero: True
+      agent_drag: 0.07 # 0.05
+      controll_type: ACC # SPEED
+      aux_reward_max: 1
+      aux_penalty_max: 0.1
+      void_damage: 5 #1
+      #master_seed: 3.14
+      max_steps: 900 # 30 sec
+---

configs/Env_C_Passage.yaml

@@ -0,0 +1,67 @@
+name: "DEFAULT"
+
+params:
+  task:
+    task: columbus
+    env_name: ColumbusConfigDefined-v0
+    env_args:
+      observable:
+        - type: State
+          coordsAgent: True
+          speedAgent: True
+          coordsRelativeToAgent: False
+          coordsRewards: True
+          coordsEnemys: False
+          enemysNoBarriers: True
+          rewardsTimeouts: False
+          include_rand: True
+        - type: State
+          coordsAgent: False
+          speedAgent: False
+          coordsRelativeToAgent: True
+          coordsRewards: True
+          coordsEnemys: False
+          enemysNoBarriers: True
+          rewardsTimeouts: False
+          include_rand: True
+        - type: RayCast
+          num_rays: 6
+          chans: [Enemy]
+      entities:
+        - type: RectBarrier
+          damage: 10 #1
+          width: 25
+          height: 120 # 360 - 5%(720)
+          pos: [0.45, 0]
+        - type: RectBarrier
+          damage: 10 #1
+          width: 25
+          height: 1000
+          pos: [0.45, 0.25]
+        - type: RectBarrier
+          damage: 10 #1
+          width: 25
+          height: 520 # 360 - 5%(720)
+          pos: [0.55, 0]
+        - type: RectBarrier
+          damage: 10 #1
+          width: 25
+          height: 200
+          pos: [0.55, 0.80]
+        - type: LoopReward
+          num: 1
+          reward: 100 #25
+          radius: 20
+          loop: [[0.125, 0.5, 0.1, 0.5], [0.875, 0.5, 0.1, 0.5]]
+      default_collision_elasticity: 0.8
+      start_score: 10
+      speed_fac: 0.01
+      acc_fac: 0.1
+      die_on_zero: False #True
+      agent_drag: 0.1 # 0.05
+      controll_type: ACC # SPEED
+      aux_reward_max: 1
+      aux_penalty_max: 0.01
+      void_damage: 5 #1
+      agent_draw_path: True
+---

configs/Example_Units.yaml

@@ -0,0 +1,92 @@
+name: "DEFAULT"
+
+# Supported Units:
+# px: Pixels
+# em: 1em = Full Width / Height
+# ct: 100ct = Full Width / Height
+# rx: pixels relative to width
+# ry: pixels relative to height
+# au: 1au = 36px (https://knowyourmeme.com/memes/absolute-unit)
+#
+# When no unit is given, we use the folowing defaults
+# (compatible with legacy behavior)
+# pos: em
+# all other: px
+#
+# ct is the recommendet unit.
+# If you need a unit, that is not responsive in regards to width/height, use au / px.
+
+params:
+  task:
+    task: columbus
+    env_name: ColumbusConfigDefined-v0
+    env_args:
+      observable:
+        - type: State
+          coordsAgent: True
+          speedAgent: True
+          coordsRelativeToAgent: False
+          coordsRewards: True
+          coordsEnemys: False
+          enemysNoBarriers: True
+          rewardsTimeouts: False
+          include_rand: True
+        - type: State
+          coordsAgent: False
+          speedAgent: False
+          coordsRelativeToAgent: True
+          coordsRewards: True
+          coordsEnemys: False
+          enemysNoBarriers: True
+          rewardsTimeouts: False
+          include_rand: True
+        - type: Compass
+        - type: RayCast
+          num_rays: 6
+          chans: [Enemy]
+      entities:
+        - type: RectBarrier
+          num: 1
+          width: 50ct
+          height: 50ct
+          pos: [0ct, 0ct]
+        - type: RectBarrier
+          num: 1
+          width: 50ct
+          height: 50ct
+          pos: [50ct, 50ct]
+        - type: RectBarrier
+          num: 1
+          width: 25rx
+          height: 25ry
+          pos: [0.75em, 30px]
+        - type: RectBarrier
+          num: 1
+          width: 25ry
+          height: 25rx
+          pos: [0.75em, 60px]
+        - type: RectBarrier
+          num: 1
+          width: 20 # defaults to rx (px scaled from x-axis)
+          height: 10 # defaults to ry (px scaled from y-axis)
+          pos: [0.75em, 90px]
+        - type: OnceReward
+          reward: 100
+          radius: 1au
+          pos: [0.3, 0.8] # defaults to em
+      start_pos: [90ct, 20ct]
+      default_collision_elasticity: 0.8
+      start_score: 10
+      speed_fac: 0.01
+      acc_fac: 0.1
+      die_on_zero: False #True
+      agent_drag: 0.1 # 0.05
+      controll_type: ACC # SPEED
+      aux_reward_max: 1
+      aux_penalty_max: 0.01
+      void_damage: 5 #1
+      terminate_on_reward: True
+      agent_draw_path: True
+      clear_path_on_reset: False
+      max_steps: 450 # 1800
+---

configs/Pong.yaml

@@ -0,0 +1,108 @@
+name: "DEFAULT"
+
+params:
+  task:
+    task: columbus
+    env_name: Columbus-v1
+    env_args:
+      observable:
+        - type: State
+          coordsAgent: True
+          speedAgent: True
+          coordsRelativeToAgent: False
+          coordsRewards: True
+          coordsEnemys: False
+          enemysNoBarriers: True
+          rewardsTimeouts: False
+          include_rand: True
+        - type: State
+          coordsAgent: False
+          speedAgent: False
+          coordsRelativeToAgent: True
+          coordsRewards: True
+          coordsEnemys: False
+          enemysNoBarriers: True
+          rewardsTimeouts: False
+          include_rand: True
+        - type: Compass
+        - type: RayCast
+          num_rays: 6
+          chans: [Enemy]
+      entities:
+        - type: Ball
+          radius: 16px
+          pos: [0.8, 0.5]
+          speed: [-0.2, -0.1]
+          speed_rand: [0, 0.2]
+          solid: True
+          collision_elasticity: 3
+          elasticity: 1
+          movable: 1
+          collision_changes_speed: True
+          crash_conservation_of_energy: False
+          min_speed: 0.2
+          max_speed: 0.6
+          draw_path: True
+          draw_path_width: 32
+          draw_path_harm: True
+          drag: 0.00001
+        - type: RectGoal # Good
+          height: 1em
+          width: 10ct
+          pos: [97ct, 0ct]
+          skip_agent_col_check: True
+          col: [0, 255, 0]
+          reward: 30
+          solid: True
+          elasticity: 0.6
+          void_collidable: False
+        - type: Goal # Top
+          radius: 7ct
+          pos: [100ct, 0ct]
+          skip_agent_col_check: True
+          col: [0, 255, 0]
+          reward: 30
+          solid: True
+          elasticity: 0.7
+          void_collidable: False
+        - type: Goal # Bottom
+          radius: 7ct
+          pos: [100ct, 100ct]
+          skip_agent_col_check: True
+          col: [0, 255, 0]
+          reward: 30
+          solid: True
+          elasticity: 0.7
+          void_collidable: False
+        - type: RectGoal # Bad
+          height: 1em
+          width: 3ct
+          pos: [0ct, 0ct]
+          skip_agent_col_check: True
+          col: [255, 0, 0]
+          reward: -45
+          solid: True
+          elasticity: 1000
+          void_collidable: False
+      agent_cls: PongAgent
+      agent_attrs:
+        height: 100
+        width: 30
+        movable: False
+        solid: True
+        elasticity: 0.9
+      exception_for_unsupported_collision: False
+      start_pos: [0.05, 0.5]
+      start_score: 0
+      speed_fac: 0.05
+      acc_fac: 0.1
+      die_on_zero: False #True
+      agent_drag: 0
+      controll_type: SPEED
+      aux_reward_max: 0
+      aux_penalty_max: 0
+      void_damage: 0
+      terminate_on_reward: False
+      agent_draw_path: False
+      clear_path_on_reset: False
+---