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#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
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