81 lines
3.2 KiB
C
81 lines
3.2 KiB
C
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/////////////////////////////////////////////////////////////////////////////
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// Name: pile.h
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// Purpose: Forty Thieves patience game
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// Author: Chris Breeze
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// Modified by:
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// Created: 21/07/97
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// RCS-ID: $Id$
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// Copyright: (c) 1993-1998 Chris Breeze
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// Licence: wxWindows licence
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//---------------------------------------------------------------------------
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// Last modified: 22nd July 1998 - ported to wxWindows 2.0
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/////////////////////////////////////////////////////////////////////////////
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//+-------------------------------------------------------------+
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//| Description: |
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//| The base class for holding piles of playing cards. |
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//| This is the basic building block for card games. A pile |
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//| has a position on the screen and an offset for each |
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//| card placed on it e.g. a pack has no offset, but the |
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//| discard pile may be fanned out across the screen. |
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//| |
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//| The pile knows how to draw itself, though this may be |
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//| overridden if the default layout needs to be changed. |
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//| One or more cards can be removed from the top of a pile, |
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//| and single cards can be added to the top of a pile. |
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//| Functions are provided which redraw the screen when |
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//| cards are added or removed. |
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//| |
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//| Cards know which way up they are and how to draw |
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//| themselves. Piles are lists of cards. Piles know which |
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//| cards they contain and where they are to be drawn. |
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//+-------------------------------------------------------------+
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#ifndef _PILE_H_
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#define _PILE_H_
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#include "card.h"
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const int NumCards = 2 * PackSize;
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//----------------------------------------------------------------//
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// A class defining a pile of cards with a position on the screen //
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//----------------------------------------------------------------//
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class Pile {
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public:
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Pile(int x, int y, int dx = 0, int dy = 0);
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virtual ~Pile();
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// General functions
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virtual void ResetPile() { m_topCard = -1; }
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virtual void Redraw(wxDC& pDC);
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// Card query functions
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virtual Card* GetCard(int x, int y); // Get pointer to card at x, y
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Card* GetTopCard(); // Get pointer to top card
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virtual void GetCardPos(Card* card, int& x, int& y);
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// Get position of a card
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virtual void GetTopCardPos(int& x, int& y);
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// Get position of the top card
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int GetNumCards() { return m_topCard + 1; } // Number of cards in pile
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bool Overlap(int x, int y); // does card at x,y overlap the pile?
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int CalcDistance(int x, int y); // calculates the square of the distance
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// of a card at (x,y) from the top of the pile
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// Functions removing one or more cards from the top of a pile
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virtual bool CanCardLeave(Card* card);
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Card* RemoveTopCard();
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virtual Card* RemoveTopCard(wxDC& pDC, int xOffset = 0, int yOffset = 0);
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// Functions to add a card to the top of a pile
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virtual bool AcceptCard(Card*) { return FALSE; }
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virtual void AddCard(Card* card); // Add card to top of pile
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virtual void AddCard(wxDC& pDC, Card* card); // Add card + redraw it
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protected:
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int m_x, m_y; // Position of the pile on the screen
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int m_dx, m_dy; // Offset when drawing the pile
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Card* m_cards[NumCards]; // Array of cards in this pile
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int m_topCard; // Array index of the top card
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};
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#endif // _PILE_H_
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