Initial commit with a mostly working engine.

Basic commands are being parsed. I think the only weird part is the
'use' command because it needs to possibly target two things. A tiny
test example is provided in __main__, this will probably be broken out
later.

Signed-off-by: Alek Ratzloff <alekratz@gmail.com>

agame/__main__.py

@@ -0,0 +1,115 @@
+from agame.action import *
+from agame.game import *
+from agame.item import *
+from agame.room import *
+from agame.trigger import *
+
+
+# TODO - take a custom module name that has:
+# .database
+# .game
+# so that you can just RUN it
+# Something similar to wsgi using "app" in the passed module
+
+
+# This is the *game* here
+database = Database()
+database.add_items(
+    Item(
+        id="glowing_rock",
+        name="glowing rock",
+        desc="This rock is glowing.",
+        synonyms=("rock",),
+        room_desc="You see a ((glowing rock)). You have **got** to have it.",
+        triggers={
+            GET: [
+                PrintAction(
+                    "You try to pick up the rock, but it slips out of your greasy hands.",
+                    "Maybe you should wash your hands, you disgusting little man.",
+                )
+            ],
+            LOOK: [PrintAction("Man, that rock looks awesome.")],
+        },
+    ),
+    Item(
+        id="cell_door",
+        name="door",
+        room_desc="A ((door)) sits on the far wall.",
+        triggers={
+            GET: [PrintAction("The door is pretty attached to its wall.")],
+            OPEN: [
+                CheckVarAction(
+                    "cell_door_open",
+                    Compare.EQUALS,
+                    True,
+                    yes=[
+                        PrintAction(
+                            "It's already open. You push on the door even //more//, just in case."
+                        ),
+                        SleepAction(1.0),
+                        PrintAction("..."),
+                        SleepAction(1.0),
+                        PrintAction("Yup, still open."),
+                    ],
+                    no=[
+                        SetVarAction("cell_door_open", True),
+                        PrintAction("The door swings open, thanks to you."),
+                    ],
+                )
+            ],
+            CLOSE: [
+                CheckVarAction(
+                    "cell_door_open",
+                    Compare.EQUALS,
+                    True,
+                    yes=[
+                        PrintAction("You close that door. Nice job."),
+                        SetVarAction("cell_door_open", False),
+                    ],
+                    no=[PrintAction("The door is already closed.")],
+                )
+            ],
+            LOOK: [
+                CheckVarAction(
+                    "cell_door_open",
+                    Compare.EQUALS,
+                    True,
+                    yes=[PrintAction("It's a door, wide open, because you opened it.")],
+                    no=[PrintAction("A closed door. You can change this.")],
+                )
+            ],
+        },
+    ),
+)
+database.add_rooms(
+    Room(
+        id="start",
+        name="Test room",
+        desc="You're in ((Todd's Test Cell)).",
+        items=[
+            database.items["glowing_rock"].create_inst(),
+            database.items["cell_door"].create_inst(),
+        ],
+    ),
+)
+
+# Build the game state
+game = Game(
+    database=database,
+    room=database.rooms["start"],
+    vars={
+        "cell_door_open": False,
+    },
+)
+
+game.print_room()
+while True:
+    try:
+        game.say()
+        line = input("> ")
+        game.say()
+        game.run_command(line)
+    except (KeyboardInterrupt, EOFError):
+        game.say()
+        game.say("Bye.")
+        break