solitaire_06.py Full Listing

solitaire_06.py
  1"""
  2Solitaire clone.
  3"""
  4import random
  5import arcade
  6
  7# Screen title and size
  8SCREEN_WIDTH = 1024
  9SCREEN_HEIGHT = 768
 10SCREEN_TITLE = "Drag and Drop Cards"
 11
 12# Constants for sizing
 13CARD_SCALE = 0.6
 14
 15# How big are the cards?
 16CARD_WIDTH = 140 * CARD_SCALE
 17CARD_HEIGHT = 190 * CARD_SCALE
 18
 19# How big is the mat we'll place the card on?
 20MAT_PERCENT_OVERSIZE = 1.25
 21MAT_HEIGHT = int(CARD_HEIGHT * MAT_PERCENT_OVERSIZE)
 22MAT_WIDTH = int(CARD_WIDTH * MAT_PERCENT_OVERSIZE)
 23
 24# How much space do we leave as a gap between the mats?
 25# Done as a percent of the mat size.
 26VERTICAL_MARGIN_PERCENT = 0.10
 27HORIZONTAL_MARGIN_PERCENT = 0.10
 28
 29# The Y of the bottom row (2 piles)
 30BOTTOM_Y = MAT_HEIGHT / 2 + MAT_HEIGHT * VERTICAL_MARGIN_PERCENT
 31
 32# The X of where to start putting things on the left side
 33START_X = MAT_WIDTH / 2 + MAT_WIDTH * HORIZONTAL_MARGIN_PERCENT
 34
 35# The Y of the top row (4 piles)
 36TOP_Y = SCREEN_HEIGHT - MAT_HEIGHT / 2 - MAT_HEIGHT * VERTICAL_MARGIN_PERCENT
 37
 38# The Y of the middle row (7 piles)
 39MIDDLE_Y = TOP_Y - MAT_HEIGHT - MAT_HEIGHT * VERTICAL_MARGIN_PERCENT
 40
 41# How far apart each pile goes
 42X_SPACING = MAT_WIDTH + MAT_WIDTH * HORIZONTAL_MARGIN_PERCENT
 43
 44# Card constants
 45CARD_VALUES = ["A", "2", "3", "4", "5", "6", "7", "8", "9", "10", "J", "Q", "K"]
 46CARD_SUITS = ["Clubs", "Hearts", "Spades", "Diamonds"]
 47
 48class Card(arcade.Sprite):
 49    """ Card sprite """
 50
 51    def __init__(self, suit, value, scale=1):
 52        """ Card constructor """
 53
 54        # Attributes for suit and value
 55        self.suit = suit
 56        self.value = value
 57
 58        # Image to use for the sprite when face up
 59        self.image_file_name = f":resources:images/cards/card{self.suit}{self.value}.png"
 60
 61        # Call the parent
 62        super().__init__(self.image_file_name, scale, hit_box_algorithm="None")
 63
 64class MyGame(arcade.Window):
 65    """ Main application class. """
 66
 67    def __init__(self):
 68        super().__init__(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_TITLE)
 69
 70        # Sprite list with all the cards, no matter what pile they are in.
 71        self.card_list = None
 72
 73        arcade.set_background_color(arcade.color.AMAZON)
 74
 75        # List of cards we are dragging with the mouse
 76        self.held_cards = None
 77
 78        # Original location of cards we are dragging with the mouse in case
 79        # they have to go back.
 80        self.held_cards_original_position = None
 81
 82        # Sprite list with all the mats tha cards lay on.
 83        self.pile_mat_list = None
 84
 85    def setup(self):
 86        """ Set up the game here. Call this function to restart the game. """
 87
 88        # List of cards we are dragging with the mouse
 89        self.held_cards = []
 90
 91        # Original location of cards we are dragging with the mouse in case
 92        # they have to go back.
 93        self.held_cards_original_position = []
 94
 95        # ---  Create the mats the cards go on.
 96
 97        # Sprite list with all the mats tha cards lay on.
 98        self.pile_mat_list: arcade.SpriteList = arcade.SpriteList()
 99
100        # Create the mats for the bottom face down and face up piles
101        pile = arcade.SpriteSolidColor(MAT_WIDTH, MAT_HEIGHT, arcade.csscolor.DARK_OLIVE_GREEN)
102        pile.position = START_X, BOTTOM_Y
103        self.pile_mat_list.append(pile)
104
105        pile = arcade.SpriteSolidColor(MAT_WIDTH, MAT_HEIGHT, arcade.csscolor.DARK_OLIVE_GREEN)
106        pile.position = START_X + X_SPACING, BOTTOM_Y
107        self.pile_mat_list.append(pile)
108
109        # Create the seven middle piles
110        for i in range(7):
111            pile = arcade.SpriteSolidColor(MAT_WIDTH, MAT_HEIGHT, arcade.csscolor.DARK_OLIVE_GREEN)
112            pile.position = START_X + i * X_SPACING, MIDDLE_Y
113            self.pile_mat_list.append(pile)
114
115        # Create the top "play" piles
116        for i in range(4):
117            pile = arcade.SpriteSolidColor(MAT_WIDTH, MAT_HEIGHT, arcade.csscolor.DARK_OLIVE_GREEN)
118            pile.position = START_X + i * X_SPACING, TOP_Y
119            self.pile_mat_list.append(pile)
120
121        # --- Create, shuffle, and deal the cards
122
123        # Sprite list with all the cards, no matter what pile they are in.
124        self.card_list = arcade.SpriteList()
125
126        # Create every card
127        for card_suit in CARD_SUITS:
128            for card_value in CARD_VALUES:
129                card = Card(card_suit, card_value, CARD_SCALE)
130                card.position = START_X, BOTTOM_Y
131                self.card_list.append(card)
132
133        # Shuffle the cards
134        for pos1 in range(len(self.card_list)):
135            pos2 = random.randrange(len(self.card_list))
136            self.card_list[pos1], self.card_list[pos2] = self.card_list[pos2], self.card_list[pos1]
137
138
139    def on_draw(self):
140        """ Render the screen. """
141        # Clear the screen
142        arcade.start_render()
143
144        # Draw the mats the cards go on to
145        self.pile_mat_list.draw()
146
147        # Draw the cards
148        self.card_list.draw()
149
150    def pull_to_top(self, card):
151        """ Pull card to top of rendering order (last to render, looks on-top) """
152        # Find the index of the card
153        index = self.card_list.index(card)
154        # Loop and pull all the other cards down towards the zero end
155        for i in range(index, len(self.card_list) - 1):
156            self.card_list[i] = self.card_list[i + 1]
157        # Put this card at the right-side/top/size of list
158        self.card_list[len(self.card_list) - 1] = card
159
160    def on_mouse_press(self, x, y, button, key_modifiers):
161        """ Called when the user presses a mouse button. """
162
163        # Get list of cards we've clicked on
164        cards = arcade.get_sprites_at_point((x, y), self.card_list)
165
166        # Have we clicked on a card?
167        if len(cards) > 0:
168
169            # Might be a stack of cards, get the top one
170            primary_card = cards[-1]
171
172            # All other cases, grab the face-up card we are clicking on
173            self.held_cards = [primary_card]
174            # Save the position
175            self.held_cards_original_position = [self.held_cards[0].position]
176            # Put on top in drawing order
177            self.pull_to_top(self.held_cards[0])
178
179    def on_mouse_release(self, x: float, y: float, button: int,
180                         modifiers: int):
181        """ Called when the user presses a mouse button. """
182
183        # If we don't have any cards, who cares
184        if len(self.held_cards) == 0:
185            return
186
187        # Find the closest pile, in case we are in contact with more than one
188        pile, distance = arcade.get_closest_sprite(self.held_cards[0], self.pile_mat_list)
189        reset_position = True
190
191        # See if we are in contact with the closest pile
192        if arcade.check_for_collision(self.held_cards[0], pile):
193
194            # For each held card, move it to the pile we dropped on
195            for i, dropped_card in enumerate(self.held_cards):
196                # Move cards to proper position
197                dropped_card.position = pile.center_x, pile.center_y
198
199            # Success, don't reset position of cards
200            reset_position = False
201
202        if reset_position:
203            # Where-ever we were dropped, it wasn't valid. Reset the each card's position
204            # to its original spot.
205            for pile_index, card in enumerate(self.held_cards):
206                card.position = self.held_cards_original_position[pile_index]
207
208        # We are no longer holding cards
209        self.held_cards = []
210
211    def on_mouse_motion(self, x: float, y: float, dx: float, dy: float):
212        """ User moves mouse """
213
214        # If we are holding cards, move them with the mouse
215        for card in self.held_cards:
216            card.center_x += dx
217            card.center_y += dy
218
219
220def main():
221    """ Main method """
222    window = MyGame()
223    window.setup()
224    arcade.run()
225
226
227if __name__ == "__main__":
228    main()