solitaire_05.py Full Listing#

solitaire_05.py#
  1"""
  2Solitaire clone.
  3"""
  4import arcade
  5
  6# Screen title and size
  7SCREEN_WIDTH = 1024
  8SCREEN_HEIGHT = 768
  9SCREEN_TITLE = "Drag and Drop Cards"
 10
 11# Constants for sizing
 12CARD_SCALE = 0.6
 13
 14# How big are the cards?
 15CARD_WIDTH = 140 * CARD_SCALE
 16CARD_HEIGHT = 190 * CARD_SCALE
 17
 18# How big is the mat we'll place the card on?
 19MAT_PERCENT_OVERSIZE = 1.25
 20MAT_HEIGHT = int(CARD_HEIGHT * MAT_PERCENT_OVERSIZE)
 21MAT_WIDTH = int(CARD_WIDTH * MAT_PERCENT_OVERSIZE)
 22
 23# How much space do we leave as a gap between the mats?
 24# Done as a percent of the mat size.
 25VERTICAL_MARGIN_PERCENT = 0.10
 26HORIZONTAL_MARGIN_PERCENT = 0.10
 27
 28# The Y of the bottom row (2 piles)
 29BOTTOM_Y = MAT_HEIGHT / 2 + MAT_HEIGHT * VERTICAL_MARGIN_PERCENT
 30
 31# The X of where to start putting things on the left side
 32START_X = MAT_WIDTH / 2 + MAT_WIDTH * HORIZONTAL_MARGIN_PERCENT
 33
 34# The Y of the top row (4 piles)
 35TOP_Y = SCREEN_HEIGHT - MAT_HEIGHT / 2 - MAT_HEIGHT * VERTICAL_MARGIN_PERCENT
 36
 37# The Y of the middle row (7 piles)
 38MIDDLE_Y = TOP_Y - MAT_HEIGHT - MAT_HEIGHT * VERTICAL_MARGIN_PERCENT
 39
 40# How far apart each pile goes
 41X_SPACING = MAT_WIDTH + MAT_WIDTH * HORIZONTAL_MARGIN_PERCENT
 42
 43# Card constants
 44CARD_VALUES = ["A", "2", "3", "4", "5", "6", "7", "8", "9", "10", "J", "Q", "K"]
 45CARD_SUITS = ["Clubs", "Hearts", "Spades", "Diamonds"]
 46
 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
 64
 65class MyGame(arcade.Window):
 66    """ Main application class. """
 67
 68    def __init__(self):
 69        super().__init__(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_TITLE)
 70
 71        # Sprite list with all the cards, no matter what pile they are in.
 72        self.card_list = None
 73
 74        self.background_color = arcade.color.AMAZON
 75
 76        # List of cards we are dragging with the mouse
 77        self.held_cards = None
 78
 79        # Original location of cards we are dragging with the mouse in case
 80        # they have to go back.
 81        self.held_cards_original_position = None
 82
 83        # Sprite list with all the mats tha cards lay on.
 84        self.pile_mat_list = None
 85
 86    def setup(self):
 87        """ Set up the game here. Call this function to restart the game. """
 88
 89        # List of cards we are dragging with the mouse
 90        self.held_cards = []
 91
 92        # Original location of cards we are dragging with the mouse in case
 93        # they have to go back.
 94        self.held_cards_original_position = []
 95
 96        # ---  Create the mats the cards go on.
 97
 98        # Sprite list with all the mats tha cards lay on.
 99        self.pile_mat_list: arcade.SpriteList = arcade.SpriteList()
100
101        # Create the mats for the bottom face down and face up piles
102        pile = arcade.SpriteSolidColor(MAT_WIDTH, MAT_HEIGHT, arcade.csscolor.DARK_OLIVE_GREEN)
103        pile.position = START_X, BOTTOM_Y
104        self.pile_mat_list.append(pile)
105
106        pile = arcade.SpriteSolidColor(MAT_WIDTH, MAT_HEIGHT, arcade.csscolor.DARK_OLIVE_GREEN)
107        pile.position = START_X + X_SPACING, BOTTOM_Y
108        self.pile_mat_list.append(pile)
109
110        # Create the seven middle piles
111        for i in range(7):
112            pile = arcade.SpriteSolidColor(MAT_WIDTH, MAT_HEIGHT, arcade.csscolor.DARK_OLIVE_GREEN)
113            pile.position = START_X + i * X_SPACING, MIDDLE_Y
114            self.pile_mat_list.append(pile)
115
116        # Create the top "play" piles
117        for i in range(4):
118            pile = arcade.SpriteSolidColor(MAT_WIDTH, MAT_HEIGHT, arcade.csscolor.DARK_OLIVE_GREEN)
119            pile.position = START_X + i * X_SPACING, TOP_Y
120            self.pile_mat_list.append(pile)
121
122        # Sprite list with all the cards, no matter what pile they are in.
123        self.card_list = arcade.SpriteList()
124
125        # Create every card
126        for card_suit in CARD_SUITS:
127            for card_value in CARD_VALUES:
128                card = Card(card_suit, card_value, CARD_SCALE)
129                card.position = START_X, BOTTOM_Y
130                self.card_list.append(card)
131
132    def on_draw(self):
133        """ Render the screen. """
134        # Clear the screen
135        self.clear()
136
137        # Draw the mats the cards go on to
138        self.pile_mat_list.draw()
139
140        # Draw the cards
141        self.card_list.draw()
142
143    def pull_to_top(self, card):
144        """ Pull card to top of rendering order (last to render, looks on-top) """
145        # Find the index of the card
146        index = self.card_list.index(card)
147        # Loop and pull all the other cards down towards the zero end
148        for i in range(index, len(self.card_list) - 1):
149            self.card_list[i] = self.card_list[i + 1]
150        # Put this card at the right-side/top/size of list
151        self.card_list[len(self.card_list) - 1] = card
152
153    def on_mouse_press(self, x, y, button, key_modifiers):
154        """ Called when the user presses a mouse button. """
155
156        # Get list of cards we've clicked on
157        cards = arcade.get_sprites_at_point((x, y), self.card_list)
158
159        # Have we clicked on a card?
160        if len(cards) > 0:
161
162            # Might be a stack of cards, get the top one
163            primary_card = cards[-1]
164
165            # All other cases, grab the face-up card we are clicking on
166            self.held_cards = [primary_card]
167            # Save the position
168            self.held_cards_original_position = [self.held_cards[0].position]
169            # Put on top in drawing order
170            self.pull_to_top(self.held_cards[0])
171
172    def on_mouse_release(self, x: float, y: float, button: int,
173                         modifiers: int):
174        """ Called when the user presses a mouse button. """
175
176        # If we don't have any cards, who cares
177        if len(self.held_cards) == 0:
178            return
179
180        # Find the closest pile, in case we are in contact with more than one
181        pile, distance = arcade.get_closest_sprite(self.held_cards[0], self.pile_mat_list)
182        reset_position = True
183
184        # See if we are in contact with the closest pile
185        if arcade.check_for_collision(self.held_cards[0], pile):
186
187            # For each held card, move it to the pile we dropped on
188            for i, dropped_card in enumerate(self.held_cards):
189                # Move cards to proper position
190                dropped_card.position = pile.center_x, pile.center_y
191
192            # Success, don't reset position of cards
193            reset_position = False
194
195            # Release on top play pile? And only one card held?
196        if reset_position:
197            # Where-ever we were dropped, it wasn't valid. Reset the each card's position
198            # to its original spot.
199            for pile_index, card in enumerate(self.held_cards):
200                card.position = self.held_cards_original_position[pile_index]
201
202        # We are no longer holding cards
203        self.held_cards = []
204
205    def on_mouse_motion(self, x: float, y: float, dx: float, dy: float):
206        """ User moves mouse """
207
208        # If we are holding cards, move them with the mouse
209        for card in self.held_cards:
210            card.center_x += dx
211            card.center_y += dy
212
213
214def main():
215    """ Main function """
216    window = MyGame()
217    window.setup()
218    arcade.run()
219
220
221if __name__ == "__main__":
222    main()