moved render stuff

game/render.py

@@ -0,0 +1,84 @@
+"""All rendering stuff"""
+
+
+from tcod.sdl.video import new_window
+from tcod.console import Console
+from tcod.sdl.video import WindowFlags, Window
+from tcod.render import SDLConsoleRender, SDLTilesetAtlas
+from tcod.sdl.render import new_renderer, TextureAccess, Renderer, Texture
+from tcod.tileset import Tileset
+from tcod.event import Event, MouseState
+
+import g
+
+
+class Renderer():
+    foreground: Console
+    """The foreground console"""
+    background: Console
+    """The background console"""
+    console_render1: SDLConsoleRender
+    console_render2: SDLConsoleRender
+    """The console renderer"""
+
+    sdl_window: Window
+    """The SDL window"""
+    sdl_renderer: Renderer
+    """The SDL renderer"""
+    target_texture: Texture
+    """The final texture that is rendered"""
+    atlas: SDLTilesetAtlas
+    """The tileset atlas"""
+    tileset: Tileset
+    """The tileset to use"""
+
+    def __init__(self, w, h, tileset):
+        self.background = Console(w, h)
+        self.foreground = Console(w, h)
+        self.tileset = tileset
+        w, h = self.background.width * tileset.tile_width, self.background.height * tileset.tile_height
+        self.sdl_window = new_window(w,h, flags=WindowFlags.RESIZABLE)
+
+        self.sdl_renderer = new_renderer(self.sdl_window, target_textures=True)
+        self.target_texture = self.sdl_renderer.new_texture(w, h, access=TextureAccess.TARGET)
+        self.atlas = SDLTilesetAtlas(self.sdl_renderer, self.tileset)
+
+        self.console_render1 = SDLConsoleRender(atlas=self.atlas)
+        self.console_render2 = SDLConsoleRender(atlas=self.atlas)
+
+    def main_draw(self) -> None:
+        """Render and present the active screen."""
+        if not g.screens:
+            return
+        self.background.clear()
+        self.foreground.clear()
+        self.foreground.rgba["bg"][:] = 0
+        self.foreground.rgba["fg"][:] = 0
+        g.screens[-1].on_draw()
+
+        bg_tex = self.console_render1.render(self.background)
+        bg_tex.blend_mode = 1
+
+        fg_tex = self.console_render2.render(self.foreground)
+        fg_tex.blend_mode = 1
+
+        with self.sdl_renderer.set_render_target(self.target_texture):
+            self.sdl_renderer.clear()
+            self.sdl_renderer.copy(bg_tex)
+            self.sdl_renderer.copy(fg_tex)
+
+        self.sdl_renderer.copy(self.target_texture)
+        self.sdl_renderer.present()
+
+    def convert_event(self, event: Event):
+        match event:
+            case MouseState(position=pos):
+                width, height = self.tileset.tile_width, self.tileset.tile_height
+                event.position = (pos[0]//width, pos[1]//height)
+        return event
+
+    def dim(self):
+        self.foreground.rgb["fg"] //= 4
+        self.foreground.rgb["bg"] //= 4
+        self.background.rgb["fg"] //= 4
+        self.background.rgb["bg"] //= 4

game/screens/__init__.py

@@ -15,7 +15,7 @@ import tcod.sdl.render
 import tcod.sdl.video
 
 import g
-
+from game.render import Renderer
 
 class Screen(Protocol):
     """An abstract game screen."""
@@ -25,7 +25,7 @@ class Screen(Protocol):
     def on_event(self, event: Event) -> ScreenResult:
         """Called on events."""
 
-    def on_draw(self, console: Console) -> None:
+    def on_draw(self) -> None:
         """Called when the screen is being drawn."""
 
 
@@ -52,31 +52,6 @@ ScreenResult: TypeAlias = "Push | Pop | Reset | None"
 """Union of screen results."""
 
 
-def main_draw() -> None:
-    """Render and present the active screen."""
-    if not g.screens:
-        return
-    g.background.clear()
-    g.foreground.clear()
-    g.foreground.rgba["bg"][:] = 0
-    g.foreground.rgba["fg"][:] = 0
-    g.screens[-1].on_draw(g.background)
-
-    bg_tex = g.console_render1.render(g.background)
-    bg_tex.blend_mode = 1
-
-    fg_tex = g.console_render2.render(g.foreground)
-    fg_tex.blend_mode = 1
-
-    with g.sdl_renderer.set_render_target(g.target_texture):
-        g.sdl_renderer.clear()
-        g.sdl_renderer.copy(bg_tex)
-        g.sdl_renderer.copy(fg_tex)
-
-    g.sdl_renderer.copy(g.target_texture)
-    g.sdl_renderer.present()
-
-
 def _apply_screen_result(result: ScreenResult) -> None:
     """Apply a ScreenResult to `g.screens`."""
     match result:
@@ -93,22 +68,15 @@ def _apply_screen_result(result: ScreenResult) -> None:
         case _:
             raise TypeError(result)
 
-def convert_event(event: tcod.event.Event):
-    match event:
-        case tcod.event.MouseState(position=pos):
-            width, height = g.tileset.tile_width, g.tileset.tile_height
-            event.position = (pos[0]//width, pos[1]//height)
-    return event
-
 def main_loop() -> None:
     """Run the active screen forever."""
     while g.screens:
-        main_draw()
+        g.renderer.main_draw()
         for event in wait_for_event():
             match event:
                 case Quit():
                     raise SystemExit()
-            tile_event = convert_event(event)
+            tile_event = g.renderer.convert_event(event)
             if g.screens:
                 _apply_screen_result(g.screens[-1].on_event(tile_event))
 
@@ -119,14 +87,11 @@ def get_previous_screen(screen: Screen) -> Screen | None:
     return g.screens[current_index - 1] if current_index > 0 else None
 
 
-def draw_previous_screens(screen: Screen, console: tcod.console.Console, dim: bool = True) -> None:
+def draw_previous_screens(screen: Screen, dim: bool = True) -> None:
     """Draw previous screens, optionally dimming all but the active screen."""
     prev_screen = get_previous_screen(screen)
     if prev_screen is None:
         return
-    prev_screen.on_draw(console)
+    prev_screen.on_draw()
     if dim and screen is g.screens[-1]:
-        g.foreground.rgb["fg"] //= 4
-        g.foreground.rgb["bg"] //= 4
-        g.background.rgb["fg"] //= 4
-        g.background.rgb["bg"] //= 4
+        g.renderer.dim()

game/screens/game_screens.py

@@ -64,7 +64,7 @@ def _draw_entity(entity: tcod.ecs.Entity, camera_pos, camera_radius_x, camera_ra
         graphic = entity.components[Graphic]
         r,gg,b,_ = graphic.fg
         fg = (r,gg,b,255)
-        g.foreground.rgba[["ch", "fg"]][screen_pos.y + camera_radius_y, screen_pos.x + camera_radius_x] = graphic.ch, fg
+        g.renderer.foreground.rgba[["ch", "fg"]][screen_pos.y + camera_radius_y, screen_pos.x + camera_radius_x] = graphic.ch, fg
 
 
 @attrs.define()
@@ -86,9 +86,9 @@ class MainScreen(Screen):
             case _:
                 return None
 
-    def on_draw(self, console: tcod.console.Console) -> None:
+    def on_draw(self) -> None:
         """Draw the standard screen."""
-        console = g.background
+        console = g.renderer.background
         centers = [a.components[Position] for a in g.world.Q.all_of(tags=[IsPlayer])]
         camera_pos = sum(centers, start=Position(0,0))
         camera_pos = camera_pos.mod(len(centers))

game/screens/menus.py

@@ -45,10 +45,9 @@ class SelectItem(MenuItem):
             case _:
                 return None
 
-    def on_draw(self, console: tcod.console.Console, x: int, y: int, highlight: bool) -> None:
+    def on_draw(self, x: int, y: int, highlight: bool) -> None:
         """Render this items label."""
-        #g.foreground.print(x, y, self.label, fg=(255, 255, 255), bg=(64, 64, 64) if highlight else (0, 0, 0))
-        g.background.print(x, y, self.label, fg=(255, 255, 255), bg=(64, 64, 64) if highlight else (0, 0, 0))
+        g.renderer.background.print(x, y, self.label, fg=(255, 255, 255), bg=(64, 64, 64) if highlight else (0, 0, 0))
 
 
 @attrs.define()
@@ -94,8 +93,8 @@ class ListMenu(Screen):
         """Handle escape or right click being pressed on menus."""
         return Pop()
 
-    def on_draw(self, console: tcod.console.Console) -> None:
+    def on_draw(self) -> None:
         """Render the menu."""
-        draw_previous_screens(self, g.foreground)
+        draw_previous_screens(self)
         for i, item in enumerate(self.items):
-            item.on_draw(g.foreground, x=self.x, y=self.y + i, highlight=i == self.selected)
+            item.on_draw(x=self.x, y=self.y + i, highlight=i == self.selected)