Update world.py

world.py

@@ -0,0 +1,139 @@
+import pygame
+import random
+from settings import *
+
+
+class World:
+    def __init__(self):
+        self.width = WORLD_WIDTH
+        self.height = WORLD_HEIGHT
+
+        # 2D grid: world[y][x]
+        self.grid = [
+            [AIR for _ in range(self.width)]
+            for _ in range(self.height)
+        ]
+
+        self.generate_world()
+
+    # ==========================================================
+    # WORLD GENERATION
+    # ==========================================================
+    def generate_world(self):
+        for x in range(self.width):
+
+            # Simple terrain height variation
+            surface_height = SURFACE_LEVEL + random.randint(-3, 3)
+
+            for y in range(self.height):
+
+                if y < surface_height:
+                    self.grid[y][x] = AIR
+
+                elif y == surface_height:
+                    self.grid[y][x] = GRASS
+
+                elif y < surface_height + 5:
+                    self.grid[y][x] = DIRT
+
+                else:
+                    self.grid[y][x] = STONE
+
+    # ==========================================================
+    # DRAW
+    # ==========================================================
+    def draw(self, screen, camera):
+
+        # Determine visible tile range
+        start_x = max(0, camera.offset.x // TILE_SIZE)
+        end_x = min(self.width, (camera.offset.x + SCREEN_WIDTH) // TILE_SIZE + 2)
+
+        start_y = max(0, camera.offset.y // TILE_SIZE)
+        end_y = min(self.height, (camera.offset.y + SCREEN_HEIGHT) // TILE_SIZE + 2)
+
+        for y in range(int(start_y), int(end_y)):
+            for x in range(int(start_x), int(end_x)):
+
+                tile_id = self.grid[y][x]
+
+                if tile_id != AIR:
+                    color = TILE_PROPERTIES[tile_id]["color"]
+
+                    world_rect = pygame.Rect(
+                        x * TILE_SIZE,
+                        y * TILE_SIZE,
+                        TILE_SIZE,
+                        TILE_SIZE
+                    )
+
+                    screen_rect = camera.apply(world_rect)
+
+                    pygame.draw.rect(screen, color, screen_rect)
+
+    # ==========================================================
+    # COLLISION SUPPORT
+    # ==========================================================
+    def get_nearby_tiles(self, rect):
+        tiles = []
+
+        # Determine tile range around player
+        start_x = max(0, rect.left // TILE_SIZE - 1)
+        end_x = min(self.width, rect.right // TILE_SIZE + 2)
+
+        start_y = max(0, rect.top // TILE_SIZE - 1)
+        end_y = min(self.height, rect.bottom // TILE_SIZE + 2)
+
+        for y in range(start_y, end_y):
+            for x in range(start_x, end_x):
+
+                tile_id = self.grid[y][x]
+
+                if tile_id != AIR:
+                    tile_rect = pygame.Rect(
+                        x * TILE_SIZE,
+                        y * TILE_SIZE,
+                        TILE_SIZE,
+                        TILE_SIZE
+                    )
+
+                    tiles.append({
+                        "rect": tile_rect,
+                        "solid": TILE_PROPERTIES[tile_id]["solid"],
+                        "id": tile_id,
+                        "x": x,
+                        "y": y
+                    })
+
+        return tiles
+
+    # ==========================================================
+    # BLOCK BREAKING
+    # ==========================================================
+    def break_block(self, mouse_pos, camera):
+        world_x, world_y = camera.screen_to_world(mouse_pos)
+
+        tile_x = int(world_x // TILE_SIZE)
+        tile_y = int(world_y // TILE_SIZE)
+
+        if self.in_bounds(tile_x, tile_y):
+            if self.grid[tile_y][tile_x] != AIR:
+                self.grid[tile_y][tile_x] = AIR
+
+    # ==========================================================
+    # BLOCK PLACING
+    # ==========================================================
+    def place_block(self, mouse_pos, camera, block_type=DIRT):
+        world_x, world_y = camera.screen_to_world(mouse_pos)
+
+        tile_x = int(world_x // TILE_SIZE)
+        tile_y = int(world_y // TILE_SIZE)
+
+        if self.in_bounds(tile_x, tile_y):
+            if self.grid[tile_y][tile_x] == AIR:
+                self.grid[tile_y][tile_x] = block_type
+
+    # ==========================================================
+    # UTIL
+    # ==========================================================
+    def in_bounds(self, x, y):
+        return 0 <= x < self.width and 0 <= y < self.height