refactor

survival/__init__.py

@@ -9,19 +9,13 @@ from survival.components.movement_component import MovementComponent
 from survival.components.position_component import PositionComponent
 from survival.components.sprite_component import SpriteComponent
 from survival.game_map import GameMap
+from survival.resource_generator import ResourceGenerator
 from survival.systems.camera_system import CameraSystem
 from survival.systems.collision_system import CollisionSystem
 from survival.systems.draw_system import DrawSystem
 from survival.systems.input_system import InputSystem
 from survival.systems.movement_system import MovementSystem
-
-
-def draw_game(delta):
-    win.fill((0, 0, 0))
-    game_map.draw(camera)
-    world.process(delta)
-    pygame.display.update()
-
+from survival.world_generator import WorldGenerator
 
 if __name__ == '__main__':
     pygame.init()
@@ -34,12 +28,7 @@ if __name__ == '__main__':
     game_map = GameMap(int(SCREEN_WIDTH / 32) * 2, 2 * int(SCREEN_HEIGHT / 32) + 1)
     camera = Camera(game_map.width * 32, game_map.height * 32, win)
 
-    world = esper.World()
-    world.add_processor(InputSystem())
-    world.add_processor(CameraSystem(camera))
-    world.add_processor(MovementSystem(), priority=1)
-    world.add_processor(CollisionSystem(game_map), priority=2)
-    world.add_processor(DrawSystem(win, camera))
+    world = WorldGenerator().create_world(camera, game_map)
 
     player = world.create_entity()
     pos = PositionComponent([0, 0], [0, 0])
@@ -53,16 +42,7 @@ if __name__ == '__main__':
     sprite.set_scale(1)
     world.add_component(player, sprite)
 
-    apple = world.create_entity()
-    pos = PositionComponent([96, 96], [3, 3])
-    world.add_component(apple, pos)
-    world.add_component(apple, SpriteComponent('apple.png'))
-    game_map.add_entity(apple, pos)
-    apple = world.create_entity()
-    pos = PositionComponent([128, 128], [4, 4])
-    world.add_component(apple, pos)
-    world.add_component(apple, SpriteComponent('apple.png'))
-    game_map.add_entity(apple, pos)
+    ResourceGenerator(world, game_map).generate_resources()
 
     run = True
 
@@ -78,4 +58,7 @@ if __name__ == '__main__':
 
         keys = pygame.key.get_pressed()
 
-        draw_game(ms)
+        win.fill((0, 0, 0))
+        game_map.draw(camera)
+        world.process(ms)
+        pygame.display.update()

survival/resource_generator.py

@@ -0,0 +1,30 @@
+import random
+
+from survival.components.position_component import PositionComponent
+from survival.components.sprite_component import SpriteComponent
+
+
+class ResourceGenerator:
+    def __init__(self, world, game_map):
+        self.world = world
+        self.map = game_map
+
+    def generate_resources(self):
+        for x in range(50):
+            obj = self.world.create_entity()
+            sprites = ['apple.png', 'water.png', 'wood.png', 'stone.png']
+
+            empty_grid_pos = self.get_empty_grid_position()
+            empty_pos = [empty_grid_pos[0] * 32, empty_grid_pos[1] * 32]
+
+            pos = PositionComponent(empty_pos, empty_grid_pos)
+            sprite = SpriteComponent(random.choice(sprites))
+            self.world.add_component(obj, pos)
+            self.world.add_component(obj, sprite)
+            self.map.add_entity(obj, pos)
+
+    def get_empty_grid_position(self):
+        free_pos = [random.randrange(self.map.width), random.randrange(self.map.height)]
+        while self.map.is_colliding(free_pos):
+            free_pos = [random.randrange(self.map.width), random.randrange(self.map.height)]
+        return free_pos

survival/systems/draw_system.py

@@ -4,8 +4,7 @@ from survival.components.sprite_component import SpriteComponent
 
 
 class DrawSystem(esper.Processor):
-    def __init__(self, window, camera):
-        self.window = window
+    def __init__(self, camera):
         self.camera = camera
 
     def process(self, dt):

survival/world_generator.py

@@ -0,0 +1,19 @@
+from survival import esper
+from survival.systems.camera_system import CameraSystem
+from survival.systems.collision_system import CollisionSystem
+from survival.systems.draw_system import DrawSystem
+from survival.systems.input_system import InputSystem
+from survival.systems.movement_system import MovementSystem
+
+
+class WorldGenerator:
+
+    def create_world(self, camera, game_map):
+        world = esper.World()
+        world.add_processor(InputSystem())
+        world.add_processor(CameraSystem(camera))
+        world.add_processor(MovementSystem(), priority=1)
+        world.add_processor(CollisionSystem(game_map), priority=2)
+        world.add_processor(DrawSystem(camera))
+
+        return world