imporved wall rendering and added floor rendering

game/constants.py

@@ -41,5 +41,7 @@ ACTION_KEYS: Final = {
 
 }
 
+GRASS_CHAR: Final = ord(',')
+FLOOR_CHAR: Final = ord('.')
 WALL_CHAR: Final = ord('_')
 VERTICAL_WALL_CHAR: Final = ord('|')

game/screens/game_screens.py

@@ -6,13 +6,14 @@ from random import Random
 import attrs
 import tcod.console
 import tcod.constants
+import tcod.ecs
 import tcod.event
 from tcod.event import KeySym
 from tcod.map import Map
 
 import g
 from game.components import Action, Gold, Graphic, Position
-from game.constants import DIRECTION_KEYS, ACTION_KEYS
+from game.constants import DIRECTION_KEYS, ACTION_KEYS, FLOOR_CHAR
 from game.screens import Push, Screen, ScreenResult
 from game.tags import IsDoor, IsItem, IsPlayer, IsActor
 from game.constants import WALL_CHAR, VERTICAL_WALL_CHAR
@@ -52,6 +53,18 @@ def _handle_action(player):
             entity.components[Action](entity)
             _recalc_fov(player_pos)
 
+def _draw_entity(entity: tcod.ecs.Entity, camera_pos, camera_radius_x, camera_radius_y):
+    pos = entity.components[Position]
+    screen_pos = pos - camera_pos
+    if not (-camera_radius_x <= screen_pos.x < camera_radius_x\
+            and -camera_radius_y <= screen_pos.y < camera_radius_y):
+        return
+    map_pos = world_pos_to_map_pos(pos)
+    if g.world[None].components[Map].fov[map_pos.y, map_pos.x]:
+        graphic = entity.components[Graphic]
+        g.console.rgb[["ch", "fg"]][screen_pos.y + camera_radius_y, screen_pos.x + camera_radius_x] = graphic.ch, graphic.fg
+
+
 @attrs.define()
 class MainScreen(Screen):
     """Primary in-game state."""
@@ -82,42 +95,35 @@ class MainScreen(Screen):
         w = console.width//2
 
         map: Map = g.world[None].components[Map]
-        # TODO: eigentlich wäre andersrum rendern schöner
-        # also nicht alle objekte zu rendern und dabei rauszufinden ob sie auf dem screen sind,
-        # sondern über alle screen zellen laufen, über prüfen ob es im fov ist und dann gucken ob es dort ein objekt
-        # gibt und es entsprechend rendern
-        def draw(e_pos, e_graph):
-            screen_pos = e_pos - camera_pos
-            map_pos = world_pos_to_map_pos(e_pos)
-            if (-w <= screen_pos.x < w\
-                and -h <= screen_pos.y < h):
-                if map.fov[map_pos.y, map_pos.x]:
-                    graphic = e_graph
-                else:
-                    graphic = Graphic(0x2591, (50, 50, 50))
-                if graphic.ch != 0:
-                    console.rgb[["ch", "fg"]][screen_pos.y + h, screen_pos.x + w] = graphic.ch, graphic.fg
 
         # Draw walls
         doors = [ world_pos_to_map_pos(d.components[Position]) for d in g.world.Q.all_of(tags=[IsDoor]) ]
-        for (y, row) in enumerate(map.walkable):
-            for (x, val) in enumerate(row):
-                pos = map_pos_to_world_pos(Position(x,y))
-                ch = 0
-                if not val:
-                    ch = VERTICAL_WALL_CHAR
-                    if map.walkable[y+1,x] and not Position(x,y+1) in doors:
-                        ch = WALL_CHAR
-                graphic = Graphic(ch)
-                draw(pos, graphic)
+        for i in range(console.width):
+            for j in range(console.height):
+                world_pos = Position(i-w,j-h)+camera_pos
+                map_pos = world_pos_to_map_pos(world_pos)
+                in_map = 0 <= map_pos.x < map.width and 0 <= map_pos.y < map.height
+                in_fov = in_map and map.fov[map_pos.y,map_pos.x]
+                if not in_fov:
+                    console.rgb[["ch","fg"]][j, i] = 0x2591, (50,50,50)
+                    continue
+                walkable = (not in_map) or map.walkable[map_pos.y, map_pos.x]
+                if walkable:
+                    console.rgb[["ch","fg"]][j, i] = FLOOR_CHAR, (70,70,70)
+                    continue
+                ch = VERTICAL_WALL_CHAR
+                if map.walkable[map_pos.y+1, map_pos.x] and world_pos+Position(0,1) not in doors:
+                    ch = WALL_CHAR
+                console.rgb[["ch","fg"]][j, i] = ch, (255,255,255)
+
         # draw all entities that are not actors
         for entity in g.world.Q.all_of(components=[Position, Graphic]).none_of(tags=[IsActor]):
-            draw(entity.components[Position], entity.components[Graphic])
+            _draw_entity(entity, camera_pos, w, h)
         # draw all actors
         for actor in g.world.Q.all_of(components=[Position, Graphic], tags=[IsActor]).none_of(tags=[IsPlayer]):
-            draw(actor.components[Position], entity.components[Graphic])
+            _draw_entity(actor, camera_pos, w, h)
         # draw the player
         for player in g.world.Q.all_of(tags=[IsPlayer]):
-            draw(player.components[Position], player.components[Graphic])
+            _draw_entity(player, camera_pos, w, h)
         if text := g.world[None].components.get(("Text", str)):
             console.print(x=0, y=console.height - 1, string=text, fg=(255, 255, 255), bg=(0, 0, 0))

game/tilesetmanager.py

@@ -23,4 +23,6 @@ def valid_tileset():
     tileset.set_tile(ord('|'), terraintiles.get_tile(ord('!')))
     tileset.set_tile(ord('_'), terraintiles.get_tile(ord('0')))
     tileset.set_tile(ord('\\'), terraintiles.get_tile(ord('/')))
+    tileset.set_tile(ord('.'), terraintiles.get_tile(2))
+    tileset.set_tile(ord(','), terraintiles.get_tile(11))
     return tileset

game/world_tools.py

@@ -37,7 +37,6 @@ def add_door(world, pos):
     )
     add_wall(world, pos)
 
-
 def new_world() -> Registry:
     """Return a freshly generated world."""
     world = Registry()