fixing link in doc comments (#403)

minigrid/envs/babyai/goto.py

@@ -39,7 +39,7 @@ class GoToRedBallGrey(RoomGridLevel):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards
@@ -105,7 +105,7 @@ class GoToRedBall(RoomGridLevel):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards
@@ -168,7 +168,7 @@ class GoToRedBallNoDists(GoToRedBall):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards
@@ -225,7 +225,7 @@ class GoToObj(RoomGridLevel):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards
@@ -294,7 +294,7 @@ class GoToLocal(RoomGridLevel):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards
@@ -370,7 +370,7 @@ class GoTo(RoomGridLevel):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards
@@ -460,7 +460,7 @@ class GoToImpUnlock(RoomGridLevel):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards
@@ -565,7 +565,7 @@ class GoToSeq(LevelGen):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards
@@ -633,7 +633,7 @@ class GoToRedBlueBall(RoomGridLevel):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards
@@ -709,7 +709,7 @@ class GoToDoor(RoomGridLevel):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards
@@ -777,7 +777,7 @@ class GoToObjDoor(RoomGridLevel):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards

minigrid/envs/babyai/open.py

@@ -46,7 +46,7 @@ class Open(RoomGridLevel):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards
@@ -116,7 +116,7 @@ class OpenRedDoor(RoomGridLevel):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards
@@ -178,7 +178,7 @@ class OpenDoor(RoomGridLevel):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards
@@ -262,7 +262,7 @@ class OpenTwoDoors(RoomGridLevel):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards
@@ -362,7 +362,7 @@ class OpenDoorsOrder(RoomGridLevel):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards

minigrid/envs/babyai/other.py

@@ -59,7 +59,7 @@ class ActionObjDoor(RoomGridLevel):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards
@@ -137,7 +137,7 @@ class FindObjS5(RoomGridLevel):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards
@@ -206,7 +206,7 @@ class KeyCorridor(RoomGridLevel):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards
@@ -300,7 +300,7 @@ class OneRoomS8(RoomGridLevel):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards
@@ -367,7 +367,7 @@ class MoveTwoAcross(RoomGridLevel):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards

minigrid/envs/babyai/pickup.py

@@ -42,7 +42,7 @@ class Pickup(RoomGridLevel):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards
@@ -105,7 +105,7 @@ class UnblockPickup(RoomGridLevel):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards
@@ -175,7 +175,7 @@ class PickupLoc(LevelGen):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards
@@ -247,7 +247,7 @@ class PickupDist(RoomGridLevel):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards
@@ -323,7 +323,7 @@ class PickupAbove(RoomGridLevel):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards

minigrid/envs/babyai/putnext.py

@@ -42,7 +42,7 @@ class PutNextLocal(RoomGridLevel):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards
@@ -114,7 +114,7 @@ class PutNext(RoomGridLevel):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards

minigrid/envs/babyai/synth.py

@@ -59,7 +59,7 @@ class Synth(LevelGen):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards
@@ -147,7 +147,7 @@ class SynthLoc(LevelGen):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards
@@ -252,7 +252,7 @@ class SynthSeq(LevelGen):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards
@@ -354,7 +354,7 @@ class MiniBossLevel(LevelGen):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards
@@ -457,7 +457,7 @@ class BossLevel(LevelGen):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards
@@ -553,7 +553,7 @@ class BossLevelNoUnlock(LevelGen):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards

minigrid/envs/babyai/unlock.py

@@ -43,7 +43,7 @@ class Unlock(RoomGridLevel):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards
@@ -139,7 +139,7 @@ class UnlockLocal(RoomGridLevel):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards
@@ -202,7 +202,7 @@ class KeyInBox(RoomGridLevel):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards
@@ -272,7 +272,7 @@ class UnlockPickup(RoomGridLevel):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards
@@ -347,7 +347,7 @@ class BlockedUnlockPickup(RoomGridLevel):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards
@@ -420,7 +420,7 @@ class UnlockToUnlock(RoomGridLevel):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards

minigrid/envs/blockedunlockpickup.py

@@ -44,7 +44,7 @@ class BlockedUnlockPickupEnv(RoomGrid):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards

minigrid/envs/crossing.py

@@ -49,7 +49,7 @@ class CrossingEnv(MiniGridEnv):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards

minigrid/envs/distshift.py

@@ -40,7 +40,7 @@ class DistShiftEnv(MiniGridEnv):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards

minigrid/envs/doorkey.py

@@ -37,7 +37,7 @@ class DoorKeyEnv(MiniGridEnv):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards

minigrid/envs/dynamicobstacles.py

@@ -42,7 +42,7 @@ class DynamicObstaclesEnv(MiniGridEnv):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards

minigrid/envs/empty.py

@@ -40,7 +40,7 @@ class EmptyEnv(MiniGridEnv):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards

minigrid/envs/fetch.py

@@ -46,7 +46,7 @@ class FetchEnv(MiniGridEnv):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards

minigrid/envs/fourrooms.py

@@ -37,7 +37,7 @@ class FourRoomsEnv(MiniGridEnv):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards

minigrid/envs/gotodoor.py

@@ -41,7 +41,7 @@ class GoToDoorEnv(MiniGridEnv):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards

minigrid/envs/gotoobject.py

@@ -42,7 +42,7 @@ class GoToObjectEnv(MiniGridEnv):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards

minigrid/envs/keycorridor.py

@@ -44,7 +44,7 @@ class KeyCorridorEnv(RoomGrid):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards

minigrid/envs/lavagap.py

@@ -41,7 +41,7 @@ class LavaGapEnv(MiniGridEnv):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards

minigrid/envs/lockedroom.py

@@ -56,7 +56,7 @@ class LockedRoomEnv(MiniGridEnv):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards

minigrid/envs/memory.py

@@ -41,7 +41,7 @@ class MemoryEnv(MiniGridEnv):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards

minigrid/envs/multiroom.py

@@ -47,7 +47,7 @@ class MultiRoomEnv(MiniGridEnv):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards

minigrid/envs/obstructedmaze.py

@@ -36,7 +36,7 @@ class ObstructedMazeEnv(RoomGrid):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards

minigrid/envs/putnear.py

@@ -43,7 +43,7 @@ class PutNearEnv(MiniGridEnv):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards

minigrid/envs/redbluedoors.py

@@ -37,7 +37,7 @@ class RedBlueDoorEnv(MiniGridEnv):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards

minigrid/envs/unlock.py

@@ -33,7 +33,7 @@ class UnlockEnv(RoomGrid):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards

minigrid/envs/unlockpickup.py

@@ -37,7 +37,7 @@ class UnlockPickupEnv(RoomGrid):
     - Each tile is encoded as a 3 dimensional tuple:
         `(OBJECT_IDX, COLOR_IDX, STATE)`
     - `OBJECT_TO_IDX` and `COLOR_TO_IDX` mapping can be found in
-        [minigrid/minigrid.py](minigrid/minigrid.py)
+        [minigrid/core/constants.py](minigrid/core/constants.py)
     - `STATE` refers to the door state with 0=open, 1=closed and 2=locked
 
     ## Rewards