1 files changed, 155 insertions, 0 deletions
diff --git a/libksirtet/base/piece.h b/libksirtet/base/piece.h
new file mode 100644
index 00000000..4c0486a8
--- /dev/null
+++ b/libksirtet/base/piece.h
@@ -0,0 +1,155 @@
+#ifndef BASE_PIECE_H
+#define BASE_PIECE_H
+
+#include <qcanvas.h>
+#include <qptrvector.h>
+
+#include <kgrid2d.h>
+
+
+class KRandomSequence;
+
+//-----------------------------------------------------------------------------
+class GPieceInfo
+{
+ public:
+    GPieceInfo();
+    virtual ~GPieceInfo() {}
+
+    virtual uint nbBlocks() const = 0; // nb of blocks in a piece
+    virtual uint nbTypes() const  = 0; // nb of combin. of types in piece
+    virtual uint nbForms() const  = 0; // nb of geometrical form of piece
+
+    virtual const int *i(uint form, uint rotation) const = 0;
+    virtual const int *j(uint form, uint rotation) const = 0;
+    virtual uint value(uint type, uint n) const          = 0;
+    virtual uint form(uint type) const                   = 0;
+    virtual uint nbConfigurations(uint type) const       = 0;
+    uint generateType(KRandomSequence *) const;
+
+    KGrid2D::Coord maxSize() const;
+
+    QPixmap *pixmap(uint blockSize, uint blockType, uint blockMode,
+                    bool lighted) const;
+
+    virtual uint nbNormalBlockTypes() const  = 0;
+    virtual uint nbGarbageBlockTypes() const = 0;
+    virtual uint nbBlockModes() const        = 0; // nb of modes per block
+    bool isGarbage(uint type) const { return type>=nbNormalBlockTypes(); }
+    uint generateGarbageBlockType(KRandomSequence *) const;
+
+    virtual uint nbColors() const = 0;
+    virtual QString colorLabel(uint i) const = 0;
+    QCString colorKey(uint i) const;
+    virtual QColor defaultColor(uint i) const = 0;
+    void loadColors();
+
+ protected:
+    QColor color(uint i) const { return _colors[i]; }
+
+    virtual void draw(QPixmap *, uint blockType, uint blockMode,
+                      bool lighted) const = 0;
+    virtual void setMask(QPixmap *, uint /*blockMode*/) const {}
+
+ private:
+    QValueVector<QColor> _colors;
+};
+
+class SequenceArray : public QMemArray<QCanvasPixmapArray *>
+{
+ public:
+	SequenceArray();
+	~SequenceArray();
+
+	void setBlockSize(uint size);
+    uint blockSize() const { return _size; }
+
+ private:
+	uint _size;
+};
+
+//-----------------------------------------------------------------------------
+class BlockInfo : public QCanvas
+{
+ public:
+    BlockInfo(const SequenceArray &);
+    const SequenceArray &sequences() const { return _sequences; }
+
+    QPoint toPoint(const KGrid2D::Coord &) const;
+
+ private:
+    const SequenceArray &_sequences;
+};
+
+//-----------------------------------------------------------------------------
+class Block
+{
+ public:
+    Block(uint value = 0);
+    ~Block();
+
+    void setValue(uint, BlockInfo *);
+    uint value() const { return _value; }
+    bool isGarbage() const;
+    void toggleLight();
+    QCanvasSprite *sprite() const { return _sprite; }
+
+ private:
+    uint           _value;
+    QCanvasSprite *_sprite;
+
+    Block(const Block &);             // disabled
+    Block &operator =(const Block &); // disabled
+};
+
+//-----------------------------------------------------------------------------
+class Piece
+{
+ public:
+    Piece();
+
+    void copy(const Piece *);
+    void setBlockInfo(BlockInfo *bi)         { _binfo = bi; }
+    static void setPieceInfo(GPieceInfo *pi) { _info = pi; }
+    static GPieceInfo &info()                { return *_info; }
+
+    uint type() const             { return _type; }
+    uint nbBlocks() const         { return _blocks.size(); }
+    uint nbConfigurations() const { return _info->nbConfigurations(_type); }
+
+    int value(uint k) const       { return _blocks[k]->value(); }
+    KGrid2D::Coord pos(uint k, const KGrid2D::Coord &) const;
+
+    KGrid2D::Coord min() const;
+    KGrid2D::Coord max() const;
+    KGrid2D::Coord size() const { return max() - min() + KGrid2D::Coord(1, 1); }
+
+    void generateNext(int type = -1);
+    void rotate(bool left, const QPoint &);
+    void move(const QPoint &);
+    void moveCenter();
+    void show(bool show);
+
+    void setRandomSequence(KRandomSequence *random) { _random = random; }
+
+    Block *garbageBlock() const;
+    Block *takeBlock(uint k);
+
+ private:
+    QPtrVector<Block>  _blocks;
+    uint               _type;
+    KRandomSequence   *_random;
+    static GPieceInfo *_info;
+    BlockInfo         *_binfo;
+    uint               _rotation;
+    int const         *_i;
+    int const         *_j;
+
+    Piece(const Piece &);             // disabled
+    Piece &operator =(const Piece &); // disabled
+
+    KGrid2D::Coord coord(uint k) const { return KGrid2D::Coord(_i[k], _j[k]); }
+    void moveBlock(uint k, const QPoint &);
+};
+
+#endif