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
 47class Card(arcade.Sprite):
 48    """ Card sprite """
 49
 50    def __init__(self, suit, value, scale=1):
 51        """ Card constructor """
 52
 53        # Attributes for suit and value
 54        self.suit = suit
 55        self.value = value
 56
 57        # Image to use for the sprite when face up
 58        self.image_file_name = f":resources:images/cards/card{self.suit}{self.value}.png"
 59
 60        # Call the parent
 61        super().__init__(self.image_file_name, scale, hit_box_algorithm="None")
 62
 63class MyGame(arcade.Window):
 64    """ Main application class. """
 65
 66    def __init__(self):
 67        super().__init__(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_TITLE)
 68
 69        # Sprite list with all the cards, no matter what pile they are in.
 70        self.card_list = None
 71
 72        arcade.set_background_color(arcade.color.AMAZON)
 73
 74        # List of cards we are dragging with the mouse
 75        self.held_cards = None
 76
 77        # Original location of cards we are dragging with the mouse in case
 78        # they have to go back.
 79        self.held_cards_original_position = None
 80
 81        # Sprite list with all the mats tha cards lay on.
 82        self.pile_mat_list = None
 83
 84    def setup(self):
 85        """ Set up the game here. Call this function to restart the game. """
 86
 87        # List of cards we are dragging with the mouse
 88        self.held_cards = []
 89
 90        # Original location of cards we are dragging with the mouse in case
 91        # they have to go back.
 92        self.held_cards_original_position = []
 93
 94        # ---  Create the mats the cards go on.
 95
 96        # Sprite list with all the mats tha cards lay on.
 97        self.pile_mat_list: arcade.SpriteList = arcade.SpriteList()
 98
 99        # Create the mats for the bottom face down and face up piles
100        pile = arcade.SpriteSolidColor(MAT_WIDTH, MAT_HEIGHT, arcade.csscolor.DARK_OLIVE_GREEN)
101        pile.position = START_X, BOTTOM_Y
102        self.pile_mat_list.append(pile)
103
104        pile = arcade.SpriteSolidColor(MAT_WIDTH, MAT_HEIGHT, arcade.csscolor.DARK_OLIVE_GREEN)
105        pile.position = START_X + X_SPACING, BOTTOM_Y
106        self.pile_mat_list.append(pile)
107
108        # Create the seven middle piles
109        for i in range(7):
110            pile = arcade.SpriteSolidColor(MAT_WIDTH, MAT_HEIGHT, arcade.csscolor.DARK_OLIVE_GREEN)
111            pile.position = START_X + i * X_SPACING, MIDDLE_Y
112            self.pile_mat_list.append(pile)
113
114        # Create the top "play" piles
115        for i in range(4):
116            pile = arcade.SpriteSolidColor(MAT_WIDTH, MAT_HEIGHT, arcade.csscolor.DARK_OLIVE_GREEN)
117            pile.position = START_X + i * X_SPACING, TOP_Y
118            self.pile_mat_list.append(pile)
119
120        # Sprite list with all the cards, no matter what pile they are in.
121        self.card_list = arcade.SpriteList()
122
123        # Create every card
124        for card_suit in CARD_SUITS:
125            for card_value in CARD_VALUES:
126                card = Card(card_suit, card_value, CARD_SCALE)
127                card.position = START_X, BOTTOM_Y
128                self.card_list.append(card)
129
130    def on_draw(self):
131        """ Render the screen. """
132        # Clear the screen
133        arcade.start_render()
134
135        # Draw the mats the cards go on to
136        self.pile_mat_list.draw()
137
138        # Draw the cards
139        self.card_list.draw()
140
141    def pull_to_top(self, card):
142        """ Pull card to top of rendering order (last to render, looks on-top) """
143        # Find the index of the card
144        index = self.card_list.index(card)
145        # Loop and pull all the other cards down towards the zero end
146        for i in range(index, len(self.card_list) - 1):
147            self.card_list[i] = self.card_list[i + 1]
148        # Put this card at the right-side/top/size of list
149        self.card_list[len(self.card_list) - 1] = card
150
151    def on_mouse_press(self, x, y, button, key_modifiers):
152        """ Called when the user presses a mouse button. """
153
154        # Get list of cards we've clicked on
155        cards = arcade.get_sprites_at_point((x, y), self.card_list)
156
157        # Have we clicked on a card?
158        if len(cards) > 0:
159
160            # Might be a stack of cards, get the top one
161            primary_card = cards[-1]
162
163            # All other cases, grab the face-up card we are clicking on
164            self.held_cards = [primary_card]
165            # Save the position
166            self.held_cards_original_position = [self.held_cards[0].position]
167            # Put on top in drawing order
168            self.pull_to_top(self.held_cards[0])
169
170    def on_mouse_release(self, x: float, y: float, button: int,
171                         modifiers: int):
172        """ Called when the user presses a mouse button. """
173
174        # If we don't have any cards, who cares
175        if len(self.held_cards) == 0:
176            return
177
178        # Find the closest pile, in case we are in contact with more than one
179        pile, distance = arcade.get_closest_sprite(self.held_cards[0], self.pile_mat_list)
180        reset_position = True
181
182        # See if we are in contact with the closest pile
183        if arcade.check_for_collision(self.held_cards[0], pile):
184
185            # For each held card, move it to the pile we dropped on
186            for i, dropped_card in enumerate(self.held_cards):
187                # Move cards to proper position
188                dropped_card.position = pile.center_x, pile.center_y
189
190            # Success, don't reset position of cards
191            reset_position = False
192
193            # Release on top play pile? And only one card held?
194        if reset_position:
195            # Where-ever we were dropped, it wasn't valid. Reset the each card's position
196            # to its original spot.
197            for pile_index, card in enumerate(self.held_cards):
198                card.position = self.held_cards_original_position[pile_index]
199
200        # We are no longer holding cards
201        self.held_cards = []
202
203    def on_mouse_motion(self, x: float, y: float, dx: float, dy: float):
204        """ User moves mouse """
205
206        # If we are holding cards, move them with the mouse
207        for card in self.held_cards:
208            card.center_x += dx
209            card.center_y += dy
210
211
212def main():
213    """ Main method """
214    window = MyGame()
215    window.setup()
216    arcade.run()
217
218
219if __name__ == "__main__":
220    main()