Add a basic event loop, print an @ and move it with vim keys!

roguebasin/main.py

@@ -0,0 +1,102 @@
+#!/usr/bin/env python3
+# Eryn Wells <eryn@erynwells.me>
+
+'''
+New script.
+'''
+
+import argparse
+from curses import KEY_DOWN
+import logging
+import math
+import os.path
+import tcod
+
+CONSOLE_WIDTH, CONSOLE_HEIGHT = 50, 50
+FONT = 'terminal16x16_gs_ro.png'
+
+LOG = logging.getLogger('roguebasin')
+
+def parse_args(argv, *a, **kw):
+    parser = argparse.ArgumentParser(*a, **kw)
+    # TODO: Configure arguments here.
+    args = parser.parse_args(argv)
+    return args
+
+def init_logging():
+    root_logger = logging.getLogger('')
+    root_logger.setLevel(logging.DEBUG)
+
+    stderr_handler = logging.StreamHandler()
+    stderr_handler.setFormatter(logging.Formatter("%(asctime)s %(name)s: %(message)s"))
+
+    root_logger.addHandler(logging.StreamHandler())
+
+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(f'Checking for fonts dir at {possible_fonts_dir}')
+        if os.path.isdir(possible_fonts_dir):
+            LOG.info(f'Found fonts dir: {possible_fonts_dir}')
+            return possible_fonts_dir
+
+        parent_dir = os.path.dirname(parent_dir)
+    else:
+        return None
+
+def main(argv):
+    args = parse_args(argv[1:], prog=argv[0])
+
+    init_logging()
+
+    fonts_directory = find_fonts_directory()
+    if not fonts_directory:
+        return -1
+
+    font = os.path.join(fonts_directory, FONT)
+    if not os.path.isfile(font):
+        return -1
+
+    tileset = tcod.tileset.load_tilesheet(font, 16, 16, tcod.tileset.CHARMAP_CP437)
+    console = tcod.Console(CONSOLE_WIDTH, CONSOLE_HEIGHT, order='F')
+
+    with tcod.context.new(columns=console.width, rows=console.height, tileset=tileset) as context:
+        player_x, player_y = math.floor(CONSOLE_WIDTH / 2), math.floor(CONSOLE_HEIGHT / 2)
+        while True:
+            console.clear()
+            console.print(x=player_x, y=player_y, string='@')
+            context.present(console)
+
+            for event in tcod.event.wait():
+                # Sets tile coordinates for mouse events.
+                context.convert_event(event)
+
+                handled = True
+                if isinstance(event, tcod.event.Quit):
+                    raise SystemExit()
+                elif isinstance(event, tcod.event.KeyDown):
+                    sym = event.sym
+                    if sym == tcod.event.KeySym.h:
+                        player_x = max([0, player_x - 1])
+                    elif sym == tcod.event.KeySym.j:
+                        player_y = min([CONSOLE_HEIGHT - 1, player_y + 1])
+                    elif sym == tcod.event.KeySym.k:
+                        player_y = max([0, player_y - 1])
+                    elif sym == tcod.event.KeySym.l:
+                        player_x = min([CONSOLE_WIDTH - 1, player_x + 1])
+                    else:
+                        handled = False
+                else:
+                    handled = False
+
+                if not handled:
+                    LOG.info(f'Unhandled event: {event}')
+
+if __name__ == '__main__':
+    import sys
+    result = main(sys.argv)
+    sys.exit(0 if not result else result)