Merge pull request 'streets_rendering' (#14) from streets_rendering into master

Reviewed-on: #14

city.py

@@ -1,17 +1,19 @@
-from typing import List, Tuple
+from typing import List
 from garbageCan import GarbageCan
+from street import Street
+from gameContext import GameContext
 
 class Node:
     garbageCan: GarbageCan
     id: int
 
     def __init__(self, id: int, can: GarbageCan) -> None:
-        self.id = id
+        self.id 
         self.can = can
 
 class City:
     nodes: List[Node]
-    streets: List[Tuple[int, int]]
+    streets: List[Street]
 
     def __init__(self) -> None:
         self.nodes = []
@@ -20,20 +22,12 @@ class City:
     def add_node(self, node: Node) -> None:
         self.nodes.append(node)
     
-    def add_street(self, street: Tuple[int, int]) -> None:
-        firstFound: bool = False
-        secondFound: bool = False
-
-        for node in self.nodes:
-            if firstFound and secondFound:
-                break
-            if node.id == street.__getitem__(0):
-                firstFound = True
-                continue
-            if node.id == street.__getitem__(1):
-                secondFound = True
-        
-        if not firstFound or not secondFound:
-            return
-        
+    def add_street(self, street: Street) -> None:
         self.streets.append(street)
+
+    def render_city(self, game_context: GameContext) -> None:
+        self._render_streets(game_context)
+
+    def _render_streets(self, game_context: GameContext) -> None:
+        for street in self.streets:
+            street.render(game_context)

gameContext.py

@@ -1,3 +1,4 @@
+from typing import Tuple, List
 import pygame
 from PIL import Image
 
@@ -8,12 +9,14 @@ class GameContext:
     dust_car_pygame = None
     dust_car_pil = None
     canvas = None
+    _cell_size: int = 30
+    city = None
+
+    def render_in_cell(self, cell: Tuple[int, int], img_path: str):
+        img = Image.open(img_path)
+        pygame_img = pygame.image.frombuffer(img.tobytes(), (self._cell_size,self._cell_size), 'RGB')
+        start_x = (cell[0] - 1) * self._cell_size
+        start_y = (cell[1] - 1) * self._cell_size
+        self.canvas.blit(pygame_img, (start_x, start_y))
 
-def startup(game_context: GameContext):
-    render_background(game_context)
-    game_context.canvas.blit(game_context.dust_car_pygame, (game_context.dust_car_position_x, game_context.dust_car_position_y))
 
-def render_background(game_context: GameContext):
-    bg_img = Image.open("imgs/background.jpg")
-    pygame_bg_image = pygame.image.frombuffer(bg_img.tobytes(), bg_img.size, 'RGB')
-    game_context.canvas.blit(pygame_bg_image, (0, 0))

main.py

@@ -1,7 +1,7 @@
 import pygame
 from gameEventHandler import handle_game_event 
 from gameContext import GameContext
-from gameContext import startup
+from startup import startup
 from PIL import Image
 
 pygame.init()

startup.py

@@ -0,0 +1,38 @@
+from gameContext import GameContext
+from city import City
+from PIL import Image
+import pygame
+from typing import Tuple, List
+from street import Street, StreetType
+
+def startup(game_context: GameContext):
+    render_background(game_context)
+    game_context.city = create_city()
+    game_context.city.render_city(game_context)
+    game_context.canvas.blit(game_context.dust_car_pygame, (game_context.dust_car_position_x, game_context.dust_car_position_y))
+
+def render_background(game_context: GameContext):
+    bg_img = Image.open("imgs/background.jpg")
+    pygame_bg_image = pygame.image.frombuffer(bg_img.tobytes(), bg_img.size, 'RGB')
+    game_context.canvas.blit(pygame_bg_image, (0, 0))
+
+def create_city() -> City:
+    city: City = City()
+    streets = create_streets()
+    for s in streets:
+        city.add_street(s)
+    return city
+
+def create_streets() -> List[Street]:
+    streets = []
+    streets.append(Street(3, 30, 3, StreetType.HORIZONTAL))
+    streets.append(Street(4, 15, 10, StreetType.VERTICAL))
+    streets.append(Street(4, 10, 25, StreetType.VERTICAL))
+    streets.append(Street(11, 24, 10, StreetType.HORIZONTAL))
+    streets.append(Street(4, 9, 18, StreetType.VERTICAL))
+    streets.append(Street(1, 30, 16, StreetType.HORIZONTAL))
+    streets.append(Street(17, 30, 2, StreetType.VERTICAL))
+    streets.append(Street(3, 25, 23, StreetType.HORIZONTAL))
+    streets.append(Street(17, 30, 13, StreetType.VERTICAL))
+    streets.append(Street(17, 23, 25, StreetType.VERTICAL))
+    return streets

street.py

@@ -0,0 +1,25 @@
+from enum import Enum
+from typing import Tuple
+from gameContext import GameContext
+
+class StreetType (Enum):
+    VERTICAL = 0
+    HORIZONTAL = 1
+
+class Street:
+    street_type: StreetType
+    start_cell: int
+    end_cell: int
+    row_or_column: int
+
+    def __init__(self, start_cell: int, end_cell: int, row_or_column: int, street_type: StreetType) -> None:
+        self.start_cell = start_cell
+        self.end_cell = end_cell
+        self.street_type = street_type
+        self.row_or_column = row_or_column
+
+    def render(self, game_context: GameContext) -> None:
+        for i in range(self.start_cell, self.end_cell + 1):
+            img_str: str = 'imgs/street_vertical.png' if self.street_type == StreetType.VERTICAL else 'imgs/street_horizontal.png'
+            cell: Tuple[int, int] = (self.row_or_column, i) if self.street_type == StreetType.VERTICAL else (i, self.row_or_column)
+            game_context.render_in_cell(cell, img_str)