AI generálta ütközés

doc/AIHasznalat.md

@@ -18,5 +18,8 @@ Teljesen AI-generált szakaszokat egy `# !!! CHATGPT !!!` komment jelzi
 ### gamestates/battle.py
 * menük
 
+### gamestates/overworld.py és objects.py
+* ütközés
+
 ## Dokumentáció
 Ezen a fájlon kívül minden dokumentáció AI generálta.

src/gamestates/overworld.py

@@ -27,6 +27,7 @@ def start_battle(battle_id):
 def switch(game):
     in_battle_transition = False
 
+# !!! CHATGPT !!!
 def update(game, dt):
     global btrans_active, btrans_timer
     if btrans_active:
@@ -57,24 +58,51 @@ def update(game, dt):
     elif controls.is_control_pressed(3): # Jobb
         balthasar.set_direction(DIR_RIGHT)
 
+    # Calculate movement delta based on input
+    dx = 0
+    dy = 0
     walking = False
 
-    if controls.is_control_held(0): # Fel
-        overworld.scroll_y -= WALK_SPEED * dt
+    if controls.is_control_held(0): # Fel (Up)
+        dy += WALK_SPEED * dt
         walking = True
-    elif controls.is_control_held(1): # Le
-        overworld.scroll_y += WALK_SPEED * dt
+    elif controls.is_control_held(1): # Le (Down)
+        dy -= WALK_SPEED * dt
         walking = True
     
-    if controls.is_control_held(2): # Bal
-        overworld.scroll_x += WALK_SPEED * dt
+    if controls.is_control_held(2): # Bal (Left)
+        dx -= WALK_SPEED * dt
         walking = True
-    elif controls.is_control_held(3): # Jobb
-        overworld.scroll_x -= WALK_SPEED * dt
+    elif controls.is_control_held(3): # Jobb (Right)
+        dx += WALK_SPEED * dt
         walking = True
 
     balthasar.set_walking(walking)
 
+    if walking:
+        # Get current world position
+        cur_x, cur_y = overworld.get_player_world_pos(game)
+        
+        # Define collision box dimensions for Balthasar (e.g., 12 width, 10 height at feet)
+        box_w = 12
+        box_h = 10
+
+        # Test and apply X movement independently (Slide on walls)
+        if dx != 0:
+            next_x = cur_x + dx
+            if overworld.is_box_walkable(next_x, cur_y, box_w, box_h):
+                overworld.scroll_x -= dx  # Note: scroll moves inverse to world pos change
+
+        # Re-fetch current world pos after potential X movement update
+        cur_x, cur_y = overworld.get_player_world_pos(game)
+
+        # Test and apply Y movement independently
+        if dy != 0:
+            next_y = cur_y + dy
+            if overworld.is_box_walkable(cur_x, next_y, box_w, box_h):
+                overworld.scroll_y -= dy  # Note: scroll moves inverse to world pos change
+# !!! CHATGPT VÉGE !!!
+
 def draw(game):
     overworld.render(game)
     balthasar.render(game)

src/objects.py

@@ -68,6 +68,7 @@ class OverworldMap:
         x = 0
         y = len(OVERWORLD_MAP)
         for row in OVERWORLD_MAP:
+            y -= 1
             for tile in row:
                 self.sprites.append([
                     assets.sprites["overworld"].get_texture(
@@ -82,9 +83,59 @@ class OverworldMap:
                     )
                 ]) 
                 x += 1
-            y -= 1
             x  = 0
+# !!! CHATGPT !!!
+    def get_player_world_pos(self, game):
+        """Calculates the player's world pixel position based on scroll."""
+        base_offset_x = (game.screen_width / 2) - ((OVERWORLD_WIDTH * OVERWORLD_TILE_WIDTH) / 2)
+        base_offset_y = (game.screen_height / 2) - ((OVERWORLD_HEIGHT * OVERWORLD_TILE_HEIGHT) / 2)
         
+        # Player pixel position in the world coordinate space
+        player_world_x = (game.screen_width / 2) - base_offset_x - self.scroll_x
+        player_world_y = (game.screen_height / 2) - base_offset_y - self.scroll_y
+        
+        return player_world_x, player_world_y
+
+    def get_tile_at(self, world_x, world_y):
+        """Returns the map tile ID at a given world pixel position."""
+        tile_x = int(world_x // OVERWORLD_TILE_WIDTH)
+        tile_y = int(world_y // OVERWORLD_TILE_HEIGHT)
+
+        # Check bounds
+        if 0 <= tile_x < OVERWORLD_WIDTH and 0 <= tile_y < OVERWORLD_HEIGHT:
+            return OVERWORLD_MAP[OVERWORLD_HEIGHT - 1 - tile_y][tile_x]
+        return None # Out of bounds / wall
+    
+    def is_box_walkable(self, world_x, world_y, width, height):
+        """Checks if a bounding box (e.g., player's feet) is entirely on walkable tiles."""
+        feet_offset_y = (B_SPRITE_HEIGHT - height) / 2
+        box_center_y = world_y - feet_offset_y
+
+        left = world_x - (width / 2)
+        right = world_x + (width / 2) - 1
+        bottom = box_center_y - (height / 2)
+        top = box_center_y + (height / 2) - 1
+
+        # Check the four corners of the bounding box
+        corners = [
+            (left, bottom),
+            (right, bottom),
+            (left, top),
+            (right, top)
+        ]
+
+        for cx, cy in corners:
+            tile_x = int(cx // OVERWORLD_TILE_WIDTH)
+            tile_y = int(cy // OVERWORLD_TILE_HEIGHT)
+
+            # Check map bounds
+            if not (0 <= tile_x < OVERWORLD_WIDTH and 0 <= tile_y < OVERWORLD_HEIGHT):
+                return False  # Out of bounds is a wall
+
+        return True
+
+
+# !!! CHATGPT VÉGE !!!
     
     def render(self, game):
         for s in self.sprites: