center player and stuff

game/components.py

@@ -17,19 +17,27 @@ class Position:
     x: int
     y: int
 
-    def __add__(self, direction: tuple[int, int]) -> Self:
+    def __add__(self, direction: tuple[int, int] | Position) -> Self:
         """Add a vector to this position."""
         match direction:
             case Position(x, y):
                 return self.__class__(self.x + x, self.y + y)
         x, y = direction
         return self.__class__(self.x + x, self.y + y)
-    def __sub__(self, direction: tuple[int, int]):
+    def __sub__(self, direction: tuple[int, int] | Position) -> Self:
         match direction:
             case Position(x, y):
                 return self.__class__(self.x - x, self.y - y)
         x, y = direction
         return self.__class__(self.x - x, self.y - y)
+    def mod(self, other: tuple[int,int] | Position | int) -> Self:
+        match other:
+            case Position(x,y):
+                return self.__class__(self.x//x, self.y//y)
+            case int(x):
+                return self.__class__(self.x//x, self.y//x)
+        x,y = other
+        return self.__class__(self.x//x, self.y//y)
     def length(self):
         return math.sqrt(self.x**2+self.y**2)
 

game/constants.py

@@ -40,3 +40,5 @@ ACTION_KEYS: Final = {
     KeySym.SPACE: unlock_door
 
 }
+
+WALL_CHAR: Final = ord('#')

game/states.py

@@ -1,6 +1,7 @@
 """A collection of game states."""
 
 from __future__ import annotations
+from functools import reduce
 
 import attrs
 import tcod.console
@@ -50,9 +51,15 @@ class InGame(State):
 
     def on_draw(self, console: tcod.console.Console) -> None:
         """Draw the standard screen."""
+        centers = g.world.Q.all_of(tags=[IsPlayer])
+        centers = list(map(lambda a: a.components[Position], centers))
+        center = reduce(lambda a,b: a.components[Position]+b.components[Position], centers)
+        center.mod(len(centers))
+
         def draw(e):
-            pos = e.components[Position]
+            pos = e.components[Position] - center
-            if (0 <= pos.x < console.width and 0 <= pos.y < console.height):
+            if (-console.width//2 <= pos.x < console.width//2\
+                and -console.height//2 <= pos.y < console.height//2):
                 graphic = e.components[Graphic]
                 console.rgb[["ch", "fg"]][pos.y, pos.x] = graphic.ch, graphic.fg
 

main.py

@@ -11,7 +11,6 @@ import g
 import game.state_tools
 import game.states
 
-
 def main() -> None:
     """Entry point function."""
     tileset = tcod.tileset.load_tilesheet(