feat: prototype level loading and world stepping

game/level.py

@@ -0,0 +1,84 @@
+from .constants import tileSize
+
+tileChars = {
+    "X": "ground",
+    "#": "brick",
+    "=": "platform",
+    "L": "pipeTL",
+    "R": "pipeTR",
+    "l": "pipeBL",
+    "r": "pipeBR",
+}
+
+entityChars = {"p", "g", "o"}
+
+mainMap = [
+    "                                                                ",
+    "                                                                ",
+    "                        o   o   o                               ",
+    "                                              o  o  o            ",
+    "        o   o                                                   ",
+    "     o  o  o        o o        L R                    o  o       ",
+    "     ####          ===         l r          =====               ",
+    "                   ===                                          ",
+    "  p        #####               l r      g           g          ",
+    "                    L R        l r                              ",
+    "        g           l r                          g             ",
+    "                    l r                                        ",
+    "XXXXXXXXXXXXXXXXXXXXXXXXXXX   XXXXXXXXXXX    XXXXXXXXXXXXXXXXXXXXX",
+    "XXXXXXXXXXXXXXXXXXXXXXXXXXX   XXXXXXXXXXX    XXXXXXXXXXXXXXXXXXXXX",
+]
+
+
+class Level:
+    def __init__(self, tiles, playerSpawn, enemySpawns, coinSpawns):
+        self.tiles = tiles
+        self.rows = len(tiles)
+        self.cols = len(tiles[0])
+        self.playerSpawn = playerSpawn
+        self.enemySpawns = enemySpawns
+        self.coinSpawns = coinSpawns
+
+    def pixelWidth(self):
+        return self.cols * tileSize
+
+    def pixelHeight(self):
+        return self.rows * tileSize
+
+
+def parseAscii(rows):
+    width = max(len(row) for row in rows)
+    padded = [row.ljust(width) for row in rows]
+    tiles = [["air"] * width for _ in padded]
+    playerSpawn = None
+    enemySpawns = []
+    coinSpawns = []
+    for y, row in enumerate(padded):
+        for x, char in enumerate(row):
+            if char in tileChars:
+                tiles[y][x] = tileChars[char]
+            elif char == "p":
+                playerSpawn = (x * tileSize, y * tileSize)
+            elif char == "g":
+                enemySpawns.append((x * tileSize, y * tileSize))
+            elif char == "o":
+                coinSpawns.append((x * tileSize, y * tileSize))
+    return Level(tiles, playerSpawn, enemySpawns, coinSpawns)
+
+
+def buildLevel():
+    return parseAscii(mainMap)
+
+
+testMap = [
+    "          ",
+    "          ",
+    "     X    ",
+    "  p  X    ",
+    "     X    ",
+    "XXXXXXXXXX",
+]
+
+
+def buildTestLevel():
+    return parseAscii(testMap)