Animated Turn based movement (Tutorial part 6)
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"""
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McRogueFace Tutorial - Part 6: Turn-based enemy movement
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This tutorial builds on Part 5 by adding:
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- Turn cycles where enemies move after the player
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- Enemy AI that pursues or wanders
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- Shared collision detection for all entities
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"""
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import mcrfpy
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import random
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# Create and activate a new scene
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mcrfpy.createScene("tutorial")
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mcrfpy.setScene("tutorial")
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# Load the texture (4x3 tiles, 64x48 pixels total, 16x16 per tile)
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texture = mcrfpy.Texture("assets/tutorial2.png", 16, 16)
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# Load the hero sprite texture
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hero_texture = mcrfpy.Texture("assets/custom_player.png", 16, 16)
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# Create a grid of tiles
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grid_width, grid_height = 40, 30
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# Calculate the size in pixels
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zoom = 2.0
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grid_size = grid_width * zoom * 16, grid_height * zoom * 16
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# Calculate the position to center the grid on the screen
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grid_position = (1024 - grid_size[0]) / 2, (768 - grid_size[1]) / 2
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# Create the grid with a TCODMap for pathfinding/FOV
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grid = mcrfpy.Grid(
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pos=grid_position,
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grid_size=(grid_width, grid_height),
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texture=texture,
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size=grid_size,
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)
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grid.zoom = zoom
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# Define tile types
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FLOOR_TILES = [0, 1, 2, 4, 5, 6, 8, 9, 10]
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WALL_TILES = [3, 7, 11]
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# Room class for BSP
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class Room:
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def __init__(self, x, y, w, h):
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self.x1 = x
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self.y1 = y
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self.x2 = x + w
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self.y2 = y + h
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self.w = w
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self.h = h
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def center(self):
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center_x = (self.x1 + self.x2) // 2
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center_y = (self.y1 + self.y2) // 2
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return (center_x, center_y)
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def intersects(self, other):
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return (self.x1 <= other.x2 and self.x2 >= other.x1 and
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self.y1 <= other.y2 and self.y2 >= other.y1)
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# Dungeon generation functions (from Part 3)
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def carve_room(room):
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for x in range(room.x1, room.x2):
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for y in range(room.y1, room.y2):
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if 0 <= x < grid_width and 0 <= y < grid_height:
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point = grid.at(x, y)
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if point:
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point.tilesprite = random.choice(FLOOR_TILES)
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point.walkable = True
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point.transparent = True
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def carve_hallway(x1, y1, x2, y2):
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#points = mcrfpy.libtcod.line(x1, y1, x2, y2)
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points = []
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if random.choice([True, False]):
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# x1,y1 -> x2,y1 -> x2,y2
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points.extend(mcrfpy.libtcod.line(x1, y1, x2, y1))
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points.extend(mcrfpy.libtcod.line(x2, y1, x2, y2))
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else:
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# x1,y1 -> x1,y2 -> x2,y2
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points.extend(mcrfpy.libtcod.line(x1, y1, x1, y2))
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points.extend(mcrfpy.libtcod.line(x1, y2, x2, y2))
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for x, y in points:
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if 0 <= x < grid_width and 0 <= y < grid_height:
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point = grid.at(x, y)
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if point:
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point.tilesprite = random.choice(FLOOR_TILES)
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point.walkable = True
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point.transparent = True
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def generate_dungeon(max_rooms=10, room_min_size=4, room_max_size=10):
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rooms = []
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# Fill with walls
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for y in range(grid_height):
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for x in range(grid_width):
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point = grid.at(x, y)
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if point:
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point.tilesprite = random.choice(WALL_TILES)
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point.walkable = False
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point.transparent = False
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# Generate rooms
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for _ in range(max_rooms):
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w = random.randint(room_min_size, room_max_size)
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h = random.randint(room_min_size, room_max_size)
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x = random.randint(1, grid_width - w - 1)
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y = random.randint(1, grid_height - h - 1)
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new_room = Room(x, y, w, h)
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failed = False
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for other_room in rooms:
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if new_room.intersects(other_room):
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failed = True
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break
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if not failed:
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carve_room(new_room)
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if rooms:
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prev_x, prev_y = rooms[-1].center()
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new_x, new_y = new_room.center()
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carve_hallway(prev_x, prev_y, new_x, new_y)
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rooms.append(new_room)
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return rooms
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# Generate the dungeon
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rooms = generate_dungeon(max_rooms=8, room_min_size=4, room_max_size=8)
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# Add the grid to the scene
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mcrfpy.sceneUI("tutorial").append(grid)
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# Spawn player in the first room
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if rooms:
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spawn_x, spawn_y = rooms[0].center()
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else:
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spawn_x, spawn_y = 4, 4
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class GameEntity(mcrfpy.Entity):
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"""An entity whose default behavior is to prevent others from moving into its tile."""
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def __init__(self, x, y, walkable=False, **kwargs):
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super().__init__(x=x, y=y, **kwargs)
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self.walkable = walkable
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self.dest_x = x
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self.dest_y = y
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self.is_moving = False
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def get_position(self):
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"""Get logical position (destination if moving, otherwise current)"""
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if self.is_moving:
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return (self.dest_x, self.dest_y)
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return (int(self.x), int(self.y))
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def on_bump(self, other):
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return self.walkable # allow other's motion to proceed if entity is walkable
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def __repr__(self):
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return f"<{self.__class__.__name__} x={self.x}, y={self.y}, sprite_index={self.sprite_index}>"
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class CombatEntity(GameEntity):
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def __init__(self, x, y, hp=10, damage=(1,3), **kwargs):
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super().__init__(x=x, y=y, **kwargs)
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self.hp = hp
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self.damage = damage
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def is_dead(self):
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return self.hp <= 0
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def start_move(self, new_x, new_y, duration=0.2, callback=None):
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"""Start animating movement to new position"""
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self.dest_x = new_x
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self.dest_y = new_y
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self.is_moving = True
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# Define completion callback that resets is_moving
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def movement_done(anim, entity):
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self.is_moving = False
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if callback:
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callback(anim, entity)
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# Create animations for smooth movement
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anim_x = mcrfpy.Animation("x", float(new_x), duration, "easeInOutQuad", callback=movement_done)
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anim_y = mcrfpy.Animation("y", float(new_y), duration, "easeInOutQuad")
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anim_x.start(self)
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anim_y.start(self)
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def can_see(self, target_x, target_y):
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"""Check if this entity can see the target position"""
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mx, my = self.get_position()
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# Simple distance check first
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dist = abs(target_x - mx) + abs(target_y - my)
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if dist > 6:
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return False
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# Line of sight check
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line = list(mcrfpy.libtcod.line(mx, my, target_x, target_y))
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for x, y in line[1:-1]: # Skip start and end
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cell = grid.at(x, y)
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if cell and not cell.transparent:
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return False
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return True
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def ai_turn(self, player_pos):
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"""Decide next move"""
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mx, my = self.get_position()
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px, py = player_pos
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# Simple AI: move toward player if visible
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if self.can_see(px, py):
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# Calculate direction toward player
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dx = 0
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dy = 0
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if px > mx:
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dx = 1
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elif px < mx:
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dx = -1
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if py > my:
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dy = 1
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elif py < my:
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dy = -1
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# Prefer cardinal movement
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if dx != 0 and dy != 0:
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# Pick horizontal or vertical based on greater distance
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if abs(px - mx) > abs(py - my):
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dy = 0
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else:
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dx = 0
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return (mx + dx, my + dy)
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else:
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# Random wander
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dx, dy = random.choice([(0,1), (0,-1), (1,0), (-1,0)])
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return (mx + dx, my + dy)
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# Create a player entity
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player = CombatEntity(
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spawn_x, spawn_y,
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texture=hero_texture,
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sprite_index=0
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)
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# Add the player entity to the grid
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grid.entities.append(player)
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# Track all enemies
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enemies = []
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# Spawn enemies in other rooms
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for i, room in enumerate(rooms[1:], 1): # Skip first room (player spawn)
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if i <= 3: # Limit to 3 enemies for now
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enemy_x, enemy_y = room.center()
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enemy = CombatEntity(
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enemy_x, enemy_y,
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texture=hero_texture,
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sprite_index=0 # Enemy sprite (borrow player's)
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)
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grid.entities.append(enemy)
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enemies.append(enemy)
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# Set the grid perspective to the player by default
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# Note: The new perspective system uses entity references directly
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grid.perspective = player
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# Initial FOV computation
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def update_fov():
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"""Update field of view from current perspective"""
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if grid.perspective == player:
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grid.compute_fov(int(player.x), int(player.y), radius=8, algorithm=0)
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player.update_visibility()
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# Perform initial FOV calculation
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update_fov()
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# Center grid on current perspective
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def center_on_perspective():
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if grid.perspective == player:
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grid.center = (player.x + 0.5) * 16, (player.y + 0.5) * 16
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center_on_perspective()
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# Movement state tracking (from Part 3)
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#is_moving = False # make it an entity property
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move_queue = []
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current_destination = None
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current_move = None
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# Store animation references
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player_anim_x = None
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player_anim_y = None
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grid_anim_x = None
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grid_anim_y = None
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def movement_complete(anim, target):
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"""Called when movement animation completes"""
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global move_queue, current_destination, current_move
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global player_anim_x, player_anim_y, is_player_turn
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player.is_moving = False
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current_move = None
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current_destination = None
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player_anim_x = None
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player_anim_y = None
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# Update FOV after movement
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update_fov()
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center_on_perspective()
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# Player turn complete, start enemy turns and queued player move simultaneously
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is_player_turn = False
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process_enemy_turns_and_player_queue()
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motion_speed = 0.20
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is_player_turn = True # Track whose turn it is
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def get_blocking_entity_at(x, y):
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"""Get blocking entity at position"""
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for e in grid.entities:
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if not e.walkable and (x, y) == e.get_position():
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return e
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return None
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def can_move_to(x, y, mover=None):
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"""Check if a position is valid for movement"""
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if x < 0 or x >= grid_width or y < 0 or y >= grid_height:
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return False
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point = grid.at(x, y)
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if not point or not point.walkable:
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return False
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# Check for blocking entities
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blocker = get_blocking_entity_at(x, y)
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if blocker and blocker != mover:
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return False
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return True
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def process_enemy_turns_and_player_queue():
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"""Process all enemy AI decisions and player's queued move simultaneously"""
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global is_player_turn, move_queue
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enemies_to_move = []
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# Collect all enemy moves
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for i, enemy in enumerate(enemies):
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if enemy.is_dead():
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continue
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# AI decides next move based on player's position
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target_x, target_y = enemy.ai_turn(player.get_position())
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# Check if move is valid
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if can_move_to(target_x, target_y, enemy):
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enemies_to_move.append((enemy, target_x, target_y))
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# Start all enemy animations simultaneously
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any_enemy_moved = False
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if enemies_to_move:
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for enemy, tx, ty in enemies_to_move:
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enemy.start_move(tx, ty, duration=motion_speed)
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any_enemy_moved = True
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# Process player's queued move at the same time
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if move_queue:
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next_move = move_queue.pop(0)
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process_player_queued_move(next_move)
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else:
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# No queued move, set up callback to return control when animations finish
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if any_enemy_moved:
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# Wait for animations to complete
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mcrfpy.setTimer("turn_complete", check_turn_complete, int(motion_speed * 1000) + 50)
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else:
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# No animations, return control immediately
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is_player_turn = True
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def process_player_queued_move(key):
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"""Process player's queued move during enemy turn"""
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global current_move, current_destination
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global player_anim_x, player_anim_y, grid_anim_x, grid_anim_y
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px, py = int(player.x), int(player.y)
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new_x, new_y = px, py
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if key == "W" or key == "Up":
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new_y -= 1
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elif key == "S" or key == "Down":
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new_y += 1
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elif key == "A" or key == "Left":
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new_x -= 1
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elif key == "D" or key == "Right":
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new_x += 1
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if new_x != px or new_y != py:
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# Check destination at animation end time (considering enemy destinations)
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future_blocker = get_future_blocking_entity_at(new_x, new_y)
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if future_blocker:
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# Will bump at destination
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# Schedule bump for when animations complete
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mcrfpy.setTimer("delayed_bump", lambda t: handle_delayed_bump(future_blocker), int(motion_speed * 1000))
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elif can_move_to(new_x, new_y, player):
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# Valid move, start animation
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player.is_moving = True
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current_move = key
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current_destination = (new_x, new_y)
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player.dest_x = new_x
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player.dest_y = new_y
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# Player animation with callback
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player_anim_x = mcrfpy.Animation("x", float(new_x), motion_speed, "easeInOutQuad", callback=player_queued_move_complete)
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player_anim_x.start(player)
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player_anim_y = mcrfpy.Animation("y", float(new_y), motion_speed, "easeInOutQuad")
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player_anim_y.start(player)
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# Move camera with player
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grid_anim_x = mcrfpy.Animation("center_x", (new_x + 0.5) * 16, motion_speed, "linear")
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grid_anim_y = mcrfpy.Animation("center_y", (new_y + 0.5) * 16, motion_speed, "linear")
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grid_anim_x.start(grid)
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grid_anim_y.start(grid)
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else:
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# Blocked by wall, wait for turn to complete
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mcrfpy.setTimer("turn_complete", check_turn_complete, int(motion_speed * 1000) + 50)
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def get_future_blocking_entity_at(x, y):
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"""Get entity that will be blocking at position after current animations"""
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for e in grid.entities:
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if not e.walkable and (x, y) == (e.dest_x, e.dest_y):
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return e
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return None
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def handle_delayed_bump(entity):
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"""Handle bump after animations complete"""
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global is_player_turn
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entity.on_bump(player)
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is_player_turn = True
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def player_queued_move_complete(anim, target):
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"""Called when player's queued movement completes"""
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global is_player_turn
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player.is_moving = False
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update_fov()
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center_on_perspective()
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is_player_turn = True
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def check_turn_complete(timer_name):
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"""Check if all animations are complete"""
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global is_player_turn
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# Check if any entity is still moving
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if player.is_moving:
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mcrfpy.setTimer("turn_complete", check_turn_complete, 50)
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return
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for enemy in enemies:
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if enemy.is_moving:
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mcrfpy.setTimer("turn_complete", check_turn_complete, 50)
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return
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# All done
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is_player_turn = True
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def process_move(key):
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"""Process a move based on the key"""
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global current_move, current_destination, move_queue
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global player_anim_x, player_anim_y, grid_anim_x, grid_anim_y, is_player_turn
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|
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# Only allow player movement on player's turn
|
||||
if not is_player_turn:
|
||||
return
|
||||
|
||||
# Only allow player movement when in player perspective
|
||||
if grid.perspective != player:
|
||||
return
|
||||
|
||||
if player.is_moving:
|
||||
move_queue.clear()
|
||||
move_queue.append(key)
|
||||
return
|
||||
|
||||
px, py = int(player.x), int(player.y)
|
||||
new_x, new_y = px, py
|
||||
|
||||
if key == "W" or key == "Up":
|
||||
new_y -= 1
|
||||
elif key == "S" or key == "Down":
|
||||
new_y += 1
|
||||
elif key == "A" or key == "Left":
|
||||
new_x -= 1
|
||||
elif key == "D" or key == "Right":
|
||||
new_x += 1
|
||||
|
||||
if new_x != px or new_y != py:
|
||||
# Check what's at destination
|
||||
blocker = get_blocking_entity_at(new_x, new_y)
|
||||
|
||||
if blocker:
|
||||
# Bump interaction (combat will go here later)
|
||||
blocker.on_bump(player)
|
||||
# Still counts as a turn
|
||||
is_player_turn = False
|
||||
process_enemy_turns_and_player_queue()
|
||||
elif can_move_to(new_x, new_y, player):
|
||||
player.is_moving = True
|
||||
current_move = key
|
||||
current_destination = (new_x, new_y)
|
||||
player.dest_x = new_x
|
||||
player.dest_y = new_y
|
||||
|
||||
# Start player move animation
|
||||
player_anim_x = mcrfpy.Animation("x", float(new_x), motion_speed, "easeInOutQuad", callback=movement_complete)
|
||||
player_anim_x.start(player)
|
||||
player_anim_y = mcrfpy.Animation("y", float(new_y), motion_speed, "easeInOutQuad")
|
||||
player_anim_y.start(player)
|
||||
|
||||
# Move camera with player
|
||||
grid_anim_x = mcrfpy.Animation("center_x", (new_x + 0.5) * 16, motion_speed, "linear")
|
||||
grid_anim_y = mcrfpy.Animation("center_y", (new_y + 0.5) * 16, motion_speed, "linear")
|
||||
grid_anim_x.start(grid)
|
||||
grid_anim_y.start(grid)
|
||||
|
||||
def handle_keys(key, state):
|
||||
"""Handle keyboard input"""
|
||||
if state == "start":
|
||||
# Movement keys
|
||||
if key in ["W", "Up", "S", "Down", "A", "Left", "D", "Right"]:
|
||||
process_move(key)
|
||||
|
||||
# Register the keyboard handler
|
||||
mcrfpy.keypressScene(handle_keys)
|
||||
|
||||
# Add UI elements
|
||||
title = mcrfpy.Caption((320, 10),
|
||||
text="McRogueFace Tutorial - Part 6: Turn-based Movement",
|
||||
)
|
||||
title.fill_color = mcrfpy.Color(255, 255, 255, 255)
|
||||
mcrfpy.sceneUI("tutorial").append(title)
|
||||
|
||||
instructions = mcrfpy.Caption((150, 720),
|
||||
text="Use WASD/Arrows to move. Enemies move after you!",
|
||||
)
|
||||
instructions.font_size = 18
|
||||
instructions.fill_color = mcrfpy.Color(200, 200, 200, 255)
|
||||
mcrfpy.sceneUI("tutorial").append(instructions)
|
||||
|
||||
# Debug info
|
||||
debug_caption = mcrfpy.Caption((10, 40),
|
||||
text=f"Grid: {grid_width}x{grid_height} | Rooms: {len(rooms)} | Enemies: {len(enemies)}",
|
||||
)
|
||||
debug_caption.font_size = 16
|
||||
debug_caption.fill_color = mcrfpy.Color(255, 255, 0, 255)
|
||||
mcrfpy.sceneUI("tutorial").append(debug_caption)
|
||||
|
||||
# Update function for turn display
|
||||
def update_turn_display():
|
||||
turn_text = "Player" if is_player_turn else "Enemy"
|
||||
alive_enemies = sum(1 for e in enemies if not e.is_dead())
|
||||
debug_caption.text = f"Grid: {grid_width}x{grid_height} | Turn: {turn_text} | Enemies: {alive_enemies}/{len(enemies)}"
|
||||
|
||||
# Timer to update display
|
||||
def update_display(runtime):
|
||||
update_turn_display()
|
||||
|
||||
mcrfpy.setTimer("display_update", update_display, 100)
|
||||
|
||||
print("Tutorial Part 6 loaded!")
|
||||
print("Turn-based movement system active!")
|
||||
print("- Enemies move after the player")
|
||||
print("- Enemies pursue when they can see you")
|
||||
print("- Enemies wander when they can't")
|
||||
print("Use WASD or Arrow keys to move!")
|
||||
Loading…
Reference in New Issue