refactor enemies to add bounchers

1 files changed, 20 insertions, 13 deletions

diff --git a/src/sliceitoff/text/text.py b/src/sliceitoff/text/text.py
index 83367e0..69a30bc 100644
--- a/src/sliceitoff/text/text.py
+++ b/src/sliceitoff/text/text.py
@@ -8,28 +8,35 @@ from .fonts import Fonts
 
 scaled_fonts = {}
 
-class LetterSprite(pygame.sprite.Sprite):
-    """ Single letter at given properties hopefully from cache
+def get_letter_surface(font_key, ch):
+    """ Get letter surface at given properties hopefully from cache
         
         args:
             font_key: 	(font name, width to scale, color)
             ch:		0-255 character on cp473
             color:	0-15 as in CGA palette
     """
+    font, w, color = font_key
+    if font not in Fonts.fonts:
+        return None
+    if font_key not in scaled_fonts:
+        scaled_fonts[font_key]=[None for _ in range(256)]
+    if scaled_fonts[font_key][ch] is None:
+        scaled_fonts[font_key][ch] = pygame.transform.scale_by(
+                Fonts.fonts[font].get(ch),
+                w/8 * Scaling.factor)
+        scaled_fonts[font_key][ch].fill(
+                CGA_COLORS[color],
+                special_flags = pygame.BLEND_RGBA_MULT)
+    return scaled_fonts[font_key][ch]
+    
+
+class LetterSprite(pygame.sprite.Sprite):
+    """ Make sprite out of letter surface at given position """
     def __init__(self, font_key, ch, pos):
         super().__init__()
         self.dead = True
-        if font_key not in scaled_fonts:
-            scaled_fonts[font_key]=[None for _ in range(256)]
-        if scaled_fonts[font_key][ch] is None:
-            font, w, color = font_key
-            scaled_fonts[font_key][ch] = pygame.transform.scale_by(
-                    Fonts.fonts[font].get(ch),
-                    w/8 * Scaling.factor)
-            scaled_fonts[font_key][ch].fill(
-                    CGA_COLORS[color],
-                    special_flags = pygame.BLEND_RGBA_MULT)
-        self.image = scaled_fonts[font_key][ch]
+        self.image = get_letter_surface(font_key, ch)
         self.rect = self.image.get_rect().move(pos)
         self.direction = (
                 Scaling.factor * (1_000 - randrange(2_000)),