Reorganize the package

- Create an __init__.py, which makes this directory a Python package.
- Replace the contents of __main__.py with the contents of main.py

roguebasin/__main__.py

@@ -1,15 +1,85 @@
-#!/usr/bin/env python3
 # Eryn Wells <eryn@erynwells.me>
 
-from . import actions
-from . import events
-from . import geometry
-from . import main
-from . import map
-from . import object
-from . import tile
+import argparse
+import logging
+import os.path
+import sys
+import tcod
+from .engine import Configuration, Engine
+from .events import EventHandler
+from .geometry import Size
 
-if __name__ == '__main__':
-    import sys
-    result = main.main(sys.argv)
-    sys.exit(0 if not result else result)
+LOG = logging.getLogger('main')
+
+CONSOLE_WIDTH, CONSOLE_HEIGHT = 80, 50
+MAP_WIDTH, MAP_HEIGHT = 80, 45
+
+FONT = 'terminal16x16_gs_ro.png'
+
+def parse_args(argv, *a, **kw):
+    parser = argparse.ArgumentParser(*a, **kw)
+    parser.add_argument('--debug', action='store_true', default=True)
+    args = parser.parse_args(argv)
+    return args
+
+def init_logging(args):
+    root_logger = logging.getLogger('')
+    root_logger.setLevel(logging.DEBUG if args.debug else logging.INFO)
+
+    stderr_handler = logging.StreamHandler()
+    stderr_handler.setFormatter(logging.Formatter("%(asctime)s %(name)s: %(message)s"))
+
+    root_logger.addHandler(stderr_handler)
+
+def find_fonts_directory():
+    '''Walk up the filesystem tree from this script to find a fonts/ directory.'''
+    parent_dir = os.path.dirname(__file__)
+    while parent_dir and parent_dir != '/':
+        possible_fonts_dir = os.path.join(parent_dir, 'fonts')
+        LOG.debug('Checking for fonts dir at %s', possible_fonts_dir)
+        if os.path.isdir(possible_fonts_dir):
+            LOG.info('Found fonts dir %s', possible_fonts_dir)
+            break
+        parent_dir = os.path.dirname(parent_dir)
+    else:
+        return None
+
+    return possible_fonts_dir
+
+def main(argv):
+    args = parse_args(argv[1:], prog=argv[0])
+
+    init_logging(args)
+
+    fonts_directory = find_fonts_directory()
+    if not fonts_directory:
+        LOG.error("Couldn't find a fonts/ directory")
+        return -1
+
+    font = os.path.join(fonts_directory, FONT)
+    if not os.path.isfile(font):
+        LOG.error("Font file %s doesn't exist", font)
+        return -1
+
+    tileset = tcod.tileset.load_tilesheet(font, 16, 16, tcod.tileset.CHARMAP_CP437)
+    console = tcod.Console(CONSOLE_WIDTH, CONSOLE_HEIGHT, order='F')
+
+    event_handler = EventHandler()
+    configuration = Configuration(map_size=Size(MAP_WIDTH, MAP_HEIGHT))
+    engine = Engine(event_handler, configuration)
+
+    with tcod.context.new(columns=console.width, rows=console.height, tileset=tileset) as context:
+        while True:
+            console.clear()
+            engine.print_to_console(console)
+            context.present(console)
+
+            for event in tcod.event.wait():
+                engine.handle_event(event)
+
+def run_until_exit():
+    '''Run the package's main() and call sys.exit when it finishes.'''
+    result = main(sys.argv)
+    sys.exit(0 if not result else result)
+
+run_until_exit()