Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegames@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 754 insertions, 0 deletions

diff --git a/klines/linesboard.cpp b/klines/linesboard.cpp
new file mode 100644
index 00000000..5078b8f9
--- /dev/null
+++ b/klines/linesboard.cpp
@@ -0,0 +1,754 @@
+/***************************************************************************
+    begin                : Fri May 19 2000
+    copyright            : (C) 2000 by Roman Merzlyakov
+    email                : [email protected]
+    copyright            : (C) 2000 by Roman Razilov
+    email                : [email protected]
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#include <qpainter.h>
+#include <qcolor.h>
+#include <qcursor.h>
+#include <qkeycode.h>
+#include <qtooltip.h>
+#include <stdlib.h>
+
+#include <kapplication.h>
+#include <klocale.h>
+#include <kpixmap.h>
+#include <kpixmapeffect.h>
+
+#include "linesboard.h"
+#include "linesboard.moc"
+
+/*
+   Constructs a LinesBoard widget.
+*/
+
+LinesBoard::LinesBoard( BallPainter * abPainter, QWidget* parent, const char* name )
+    : Field( parent, name )
+{
+  demoLabel = 0;
+  bGameOver = false;
+  anim = ANIM_NO;
+  focusX = -1;
+  focusY = -1;
+//  waypos = 0;
+//  waylen = 0;
+//  jumpingRow = -1;
+//  jumpingCol = -1;
+  painting = 0;
+  way = new Waypoints[NUMCELLSW*NUMCELLSH];
+
+  bPainter = abPainter;
+
+  setFocusPolicy( NoFocus );
+  setBackgroundColor( gray );
+
+  setMouseTracking( FALSE );
+  setFixedSize(wHint(), hHint());
+
+  timer = new QTimer(this);
+  connect( timer, SIGNAL(timeout()), SLOT(timerSlot()) );
+  timer->start( TIMERCLOCK, FALSE );
+
+}
+
+/*
+   Destructor: deallocates memory for contents
+*/
+
+LinesBoard::~LinesBoard()
+{
+  timer->stop();
+  delete timer;
+  delete [] way;
+}
+
+void LinesBoard::startDemoMode()
+{
+    level = DEMO_LEVEL;
+    rnd_demo = KRandomSequence(DEMO_SEQUENCE);
+    bAllowMove = false;
+}
+
+void LinesBoard::adjustDemoMode(bool allowMove, bool off)
+{
+    bAllowMove = allowMove;
+    if (off)
+       level = -2;
+}
+
+void LinesBoard::demoAdjust(int a)
+{
+    rnd_demo.modulate(a);
+}
+
+
+void LinesBoard::placeBalls(int pnextBalls[BALLSDROP])
+{
+    for(int i=0; i < BALLSDROP; i++)
+      nextBalls[i] = pnextBalls[i];
+
+    nextBallToPlace = 0;
+    placeBall();
+}
+
+void LinesBoard::placeBall(  )
+{
+    char* xx = (char*)malloc( sizeof(char)*NUMCELLSW*NUMCELLSH );
+    char* yy = (char*)malloc( sizeof(char)*NUMCELLSW*NUMCELLSH );
+    int empty = 0;
+    for(int y=0; y<NUMCELLSH; y++)
+      for(int x=0; x<NUMCELLSW; x++)
+        if( getBall(x,y) == NOBALL )
+        {
+          xx[empty] = x;
+          yy[empty] = y;
+          empty++;
+        };
+
+    if (empty)
+    {
+      int color = nextBalls[nextBallToPlace];
+      int pos = 0;
+      if ((level == DEMO_LEVEL) || (level == 0))
+      {
+         pos  = random(empty);
+      }
+      else
+      {
+         int best_pos = 0;
+         int best_score = level > 0 ? 1000: -1000;
+         int maxtry = level > 0 ? level+1 : 1-level;
+         for(int i=0;i<maxtry;i++)
+         {
+            int pos  = random(empty);
+            int score = calcPosScore(xx[pos], yy[pos], color) - calcPosScore(xx[pos], yy[pos], NOBALL);
+            if (((level > 0) && (score < best_score)) ||
+                ((level < 0) && (score > best_score)))
+            {
+               best_pos = pos;
+               best_score = score;
+            }
+         }
+         pos = best_pos;
+      }
+
+      putBall( xx[pos], yy[pos], color );
+      clearAnim();
+      setAnim( xx[pos], yy[pos], ANIM_BORN );
+			nextBallToPlace++;
+      AnimStart(ANIM_BORN);
+      free(xx);
+      free(yy);
+    }
+    else
+    {
+      free(xx);
+      free(yy);
+      emit endGame();
+    }
+}
+
+
+/*id LinesBoard::doAfterBalls() {
+  erase5Balls();
+  repaint(FALSE);
+}
+*/
+/*
+   Sets the size of the table
+*/
+
+int LinesBoard::width() { return CELLSIZE * NUMCELLSW; }
+int LinesBoard::height() { return CELLSIZE * NUMCELLSH; }
+int LinesBoard::wHint() { return width(); }
+int LinesBoard::hHint() { return height(); }
+
+void LinesBoard::setGameOver(bool b)
+{
+  bGameOver = b;
+  focusX = -1;
+  focusY = -1;
+}
+
+
+void LinesBoard::paintEvent( QPaintEvent* )
+{
+    QPainter *paint;
+    KPixmap *pixmap = 0;
+    if (bGameOver)
+    {
+       pixmap = new KPixmap();
+       pixmap->resize(width(), height());
+       paint = new QPainter( pixmap );
+    }
+    else
+    {
+       paint = new QPainter( this );
+    }
+
+    for( int y=0; y < NUMCELLSH; y++ ){
+        for( int x=0; x < NUMCELLSW; x++ ){
+          if( getBall(x,y) == NOBALL )
+					{
+            paint->drawPixmap(x*CELLSIZE, y*CELLSIZE, bPainter->GetBackgroundPix() );
+					}
+          else
+          {
+            paint->drawPixmap(x*CELLSIZE, y*CELLSIZE,
+              bPainter->GetBall(getBall(x,y),animstep,getAnim(x,y)));
+          }
+        }
+    }
+    if (bGameOver)
+    {
+       paint->end();
+
+       KPixmapEffect::fade(*pixmap, 0.5, Qt::black);
+
+       QPainter p(this);
+       p.drawPixmap(0,0, *pixmap);
+       delete pixmap;
+
+       QFont gameover_font = font();
+       gameover_font.setPointSize(48);
+       gameover_font.setBold(true);
+       p.setFont(gameover_font);
+       p.setPen(Qt::white);
+       QString gameover_text = i18n("Game Over");
+       p.drawText(0, 0, width(), height(), AlignCenter|Qt::WordBreak, gameover_text);
+    }
+    else
+    {
+      if ((focusX >= 0) && (focusX < NUMCELLSW) &&
+          (focusY >= 0) && (focusY < NUMCELLSH))
+      {
+        QRect r;
+        r.setX(focusX*CELLSIZE+2);
+        r.setY(focusY*CELLSIZE+2);
+        r.setWidth(CELLSIZE-4);
+        r.setHeight(CELLSIZE-4);
+        paint->setPen(QPen(Qt::DotLine));
+        paint->drawRect(r);
+      }
+    }
+    delete paint;
+}
+
+/*
+   Handles mouse press events for the LinesBoard widget.
+*/
+void LinesBoard::mousePressEvent( QMouseEvent* e )
+{
+  if (bGameOver) return;
+  if ((level == DEMO_LEVEL) && (!bAllowMove) && e->spontaneous()) return;
+
+  int curRow = e->y() / CELLSIZE;
+  int curCol = e->x() / CELLSIZE;
+
+  placePlayerBall(curCol, curRow);
+}
+
+void LinesBoard::placePlayerBall(int curCol, int curRow)
+{
+  //check range
+  if (!checkBounds( curCol, curRow ) )
+    return;
+//    if( running || anim != ANIM_NO )  return;
+  if(anim != ANIM_JUMP && anim != ANIM_NO) return;
+  if ( anim == ANIM_JUMP )
+  {
+    if ( getBall(curCol,curRow) == NOBALL )
+    {
+      if(existPath(jumpingCol, jumpingRow, curCol, curRow))
+      {
+        saveRandomState();
+        rnd.modulate(jumpingCol);
+        rnd.modulate(jumpingRow);
+        rnd.modulate(curCol);
+        rnd.modulate(curRow);
+        saveUndo();
+        AnimStart(ANIM_RUN);
+      }
+    }
+    else
+      AnimJump(curCol,curRow);
+  }
+  else
+    AnimJump(curCol,curRow);
+}
+
+/*
+   Move focus thingy
+*/
+void LinesBoard::moveFocus(int dx, int dy)
+{
+  if (bGameOver) return;
+  if ((level == DEMO_LEVEL) && (!bAllowMove)) return;
+  if (focusX == -1)
+  {
+    focusX = 0;
+    focusY = 0;
+  }
+  else
+  {
+    focusX = (focusX + dx + NUMCELLSW) % NUMCELLSW;
+    focusY = (focusY + dy + NUMCELLSH) % NUMCELLSH;
+  }
+  repaint(FALSE);
+} 
+
+void LinesBoard::moveLeft()
+{
+  moveFocus(-1, 0);
+} 
+
+void LinesBoard::moveRight()
+{
+  moveFocus(1, 0);
+}
+
+void LinesBoard::moveUp()
+{
+  moveFocus(0, -1);
+}
+
+void LinesBoard::moveDown()
+{
+  moveFocus(0, 1);
+}
+
+void LinesBoard::placePlayerBall()
+{
+  if (bGameOver) return;
+  if ((level == DEMO_LEVEL) && (!bAllowMove)) return;
+  placePlayerBall(focusX, focusY);
+}
+
+void LinesBoard::AnimJump(int x, int y ) {
+  if ( getBall(x,y) != NOBALL )
+    if (!( anim == ANIM_JUMP &&  jumpingCol == x && jumpingRow == y ))
+      if ( AnimEnd() )
+      {
+        clearAnim();
+        setAnim(x,y,ANIM_JUMP);
+        jumpingCol = x;
+        jumpingRow = y;
+        AnimStart(ANIM_JUMP);
+      }
+}
+void LinesBoard::AnimStart(int panim) {
+  if (anim != ANIM_NO)
+    AnimEnd();
+  animstep = 0;
+  animdelaystart = 1;
+  switch(panim) {
+    case ANIM_NO:
+        break;
+    case ANIM_BORN:
+        animdelaystart=1;
+        animmax = BOOMBALLS;
+        break;
+    case ANIM_JUMP:
+        direction = -1;
+        animstep = 4;
+        animmax = PIXTIME -1;
+        break;
+    case ANIM_RUN:
+        animdelaystart=3;
+        // do first step on next timer;
+        animdelaycount = 0;
+        // animmax already set
+        break;
+    case ANIM_BURN:
+        animdelaystart=1;
+        animmax = FIREBALLS + FIREPIX - 1;
+        break;
+    default:
+      ;
+  }
+  anim = panim;
+  animdelaycount = animdelaystart;
+}
+
+int LinesBoard::AnimEnd( )
+{
+  if (anim == ANIM_NO ) return true;
+  int oldanim = anim;
+  anim = ANIM_NO;
+  if (oldanim == ANIM_RUN) {
+    if (animstep != animmax) {
+      moveBall(way[animstep].x,way[animstep].y,way[animmax].x,way[animmax].y);
+    }
+    if ( erase5Balls() == 0 ) {
+      emit endTurn();
+      return true;
+    }
+    else
+      return false;
+  }
+  else if ( oldanim == ANIM_BURN )
+  {
+    emit eraseLine( deleteAnimatedBalls() );
+    repaint(FALSE);
+    if ( nextBallToPlace < BALLSDROP )
+    {
+      placeBall();
+      // continue with born
+      return false;
+    }
+    else
+    {
+      emit userTurn();
+      return true;
+    }
+  }
+  else if ( oldanim == ANIM_BORN )
+  {
+    if ( erase5Balls() == 0 )
+    {
+      if ( freeSpace() > 0)
+      {
+        if ( nextBallToPlace < BALLSDROP )
+        {
+          placeBall();
+          return false;
+        }
+        else
+        {
+          emit userTurn();
+          return true;
+        }
+      }
+      else
+      {
+        emit endGame();
+        return false;
+      }
+    }
+    else
+    {
+      // wait for user input
+      emit userTurn();
+      return true;
+    }
+  }
+  emit userTurn();
+  return true;
+}
+
+void LinesBoard::AnimNext() {
+  if ( anim != ANIM_NO )
+  {
+    if ( anim == ANIM_JUMP ) {
+      if ( (direction > 0 && animstep == animmax) || ( direction < 0 && animstep == 0))
+        direction = -direction;
+      animstep += direction;
+      repaint(FALSE);
+    } else {
+      if ( animstep >= animmax )
+        AnimEnd();
+      else {
+        animdelaycount--;
+        if (animdelaycount <= 0) {
+          if ( anim == ANIM_RUN )
+            moveBall(way[animstep].x,way[animstep].y,way[animstep+1].x,way[animstep+1].y);
+          animstep++;
+          animdelaycount = animdelaystart;
+          repaint( FALSE );
+        }
+      }
+    }
+  }
+}
+int LinesBoard::getAnim( int x, int y )
+{
+  return (( Field::getAnim(x,y) != ANIM_NO )? anim : ANIM_NO);
+}
+
+void LinesBoard::timerSlot()
+{
+  AnimNext();
+}
+
+int LinesBoard::erase5Balls()
+{
+    int nb=5;  // minimum balls for erasure
+
+    bool bit_erase[NUMCELLSH][NUMCELLSW]; //bool array for balls, that must be erased
+    for(int y=0; y<NUMCELLSH; y++)
+      for(int x=0; x<NUMCELLSW; x++)
+        bit_erase[y][x] = false;
+
+    int color,newcolor;
+    int count;
+    //for horisontal
+
+    for(int y=0; y<NUMCELLSH; y++) {
+      count = 1;
+      color = NOBALL;
+      for(int x=0; x<NUMCELLSW; x++){
+        if ( (newcolor = getBall(x,y)) == color) {
+            if ( color != NOBALL) {
+                count++;
+                if ( count >= nb )
+                    if ( count == nb )
+                        for (int i = 0; i < nb; i++)
+                            bit_erase[y][x-i] = true;
+                    else bit_erase[y][x] = true;
+            }
+        } else {
+            color = newcolor;
+            count = 1;
+        }
+      }
+    }
+
+    //for vertical
+    for(int x=0; x<NUMCELLSW; x++) {
+      count = 0;
+      color = NOBALL;
+      for(int y=0; y<NUMCELLSH; y++){
+        if ( (newcolor = getBall(x,y)) == color) {
+            if ( color != NOBALL) {
+                count++;
+                if ( count >= nb )
+                    if ( count == nb )
+                        for (int i = 0; i < nb; i++)
+                            bit_erase[y-i][x] = true;
+                    else bit_erase[y][x] = true;
+            }
+        } else {
+            color = newcolor;
+            count = 1;
+        }
+      }
+    }
+
+
+    //for left-down to rigth-up diagonal
+    for ( int xs = NUMCELLSW-1,ys = NUMCELLSH-nb; xs >= nb-1; ) {
+        count = 0;
+        color = NOBALL;
+        for ( int x = xs, y = ys; x >= 0 && y < NUMCELLSH; x--, y++ ) {
+            if ( (newcolor = getBall(x,y)) == color) {
+                if ( color != NOBALL) {
+                    count++;
+                    if ( count >= nb )
+                        if ( count == nb )
+                            for (int i = 0; i < nb; i++)
+                                bit_erase[y-i][x+i] = true;
+                        else bit_erase[y][x] = true;
+                }
+            } else {
+                color = newcolor;
+                count = 1;
+            }
+        }
+        if ( ys > 0 ) ys--; else xs--;
+    }
+
+
+    //for left-up to rigth-down diagonal
+    for ( int xs = 0,ys = NUMCELLSH-nb; xs <= NUMCELLSW-nb; )
+    {
+        count = 0;
+        color = NOBALL;
+        for ( int x = xs, y = ys; x < NUMCELLSW && y < NUMCELLSH; x++, y++ )
+        {
+            if ( (newcolor = getBall(x,y)) == color)
+            {
+                if ( color != NOBALL)
+                {
+                    count++;
+                    if ( count >= nb )
+                        if ( count == nb )
+                            for (int i = 0; i < nb; i++)
+                                bit_erase[y-i][x-i] = true;
+                        else
+                          bit_erase[y][x] = true;
+                }
+            }
+            else
+            {
+                color = newcolor;
+                count = 1;
+            }
+        }
+        if ( ys > 0 ) ys--; else xs++;
+    }
+
+    //remove all lines balls, that more than nb
+    int cb=0;
+    for(int y=0; y < NUMCELLSH; y++)
+      for(int x=0; x < NUMCELLSW; x++)
+      {
+				if (bit_erase[y][x])
+				{
+        	setAnim(x,y,ANIM_YES);
+        	cb++;
+				}
+				else
+				{
+          	setAnim(x,y,ANIM_NO);
+        }
+      }
+    if ( cb > 0 )
+    {
+      AnimStart(ANIM_BURN);
+      //emit eraseLine(cb);
+    }
+
+    return cb;
+}
+
+
+#define GO_EMPTY    4
+#define GO_A        5
+#define GO_B        6
+#define GO_BALL     7
+
+bool LinesBoard::existPath(int bx, int by, int ax, int ay)
+{
+  int dx[4]={1,-1, 0, 0};
+  int dy[4]={0, 0, 1,-1};
+
+  if (getBall(ax,ay) != NOBALL)
+    return false;
+
+  char pf[NUMCELLSH][NUMCELLSW];
+  for(int y=0; y<NUMCELLSH; y++)
+    for(int x=0; x<NUMCELLSW; x++)
+      pf[y][x] = (getBall(x,y) == NOBALL) ? GO_EMPTY:GO_BALL;
+
+  Waypoints lastchanged[2][NUMCELLSH*NUMCELLSW];
+
+  int lastChangedCount[2];
+  int currentchanged = 0;
+  int nextchanged = 1;
+  lastchanged[currentchanged][0].x = ax;
+  lastchanged[currentchanged][0].y = ay;
+  lastChangedCount[currentchanged] = 1;
+  pf[ay][ax]=GO_A;
+  pf[by][bx]=GO_B;
+
+  // int expanded;
+  bool B_reached = false;
+
+  do
+  {
+    lastChangedCount[nextchanged] = 0;
+    for(int dir=0; dir<4; dir++)
+    {
+      for ( int i = 0 ; i < lastChangedCount[currentchanged]; i++ )
+      {
+        int nx = lastchanged[currentchanged][i].x + dx[dir];
+        int ny = lastchanged[currentchanged][i].y + dy[dir];
+        if( (nx>=0) && (nx<NUMCELLSW) && (ny>=0) && (ny<NUMCELLSH) )
+        {
+          if( pf[ny][nx]==GO_EMPTY ||( nx==bx && ny==by ))
+          {
+            pf[ny][nx] = dir;
+            lastchanged[nextchanged][lastChangedCount[nextchanged]].x = nx;
+            lastchanged[nextchanged][lastChangedCount[nextchanged]].y = ny;
+            lastChangedCount[nextchanged]++;
+          };
+          if( (nx==bx) && (ny==by) )
+          {
+            B_reached = true;
+            break;
+          }
+        }
+      }
+    }
+    nextchanged = nextchanged ^ 1;
+    currentchanged = nextchanged ^ 1;
+    //      currentchanged,lastChangedCount[currentchanged]);
+  } while(!B_reached && lastChangedCount[currentchanged] != 0);
+
+  if (B_reached) {
+    AnimStart( ANIM_BLOCK);
+    animmax = 0;
+//    waypos = 0;
+    int x, y,dir;
+    for( x = bx, y = by; (dir = pf[y][x]) != GO_A;x -=dx[dir],y -= dy[dir]) {
+     	way[animmax].x = x;
+     	way[animmax].y = y;
+    	animmax++;
+    }
+    way[animmax].x = x;
+    way[animmax].y = y;
+  }
+  return B_reached;
+}
+
+void LinesBoard::undo()
+{
+  AnimEnd();
+  restoreUndo();
+  restoreRandomState();
+  repaint( FALSE );
+}
+
+void LinesBoard::showDemoText(const QString &text)
+{
+  if (!demoLabel)
+  {
+     demoLabel = new QLabel(0, "demoTip", WStyle_StaysOnTop | WStyle_Customize | WStyle_NoBorder | WStyle_Tool | WX11BypassWM );
+     demoLabel->setMargin(1);
+     demoLabel->setIndent(0);
+     demoLabel->setAutoMask( FALSE );
+     demoLabel->setFrameStyle( QFrame::Plain | QFrame::Box );
+     demoLabel->setLineWidth( 1 );
+     demoLabel->setAlignment( AlignHCenter | AlignTop );
+     demoLabel->setPalette(QToolTip::palette());
+     demoLabel->polish();
+  }
+  demoLabel->setText(text);
+  demoLabel->adjustSize();
+  QSize s = demoLabel->sizeHint();
+  QPoint p = QPoint(x() + (width()-s.width())/2, y() + (height()-s.height())/2);
+  demoLabel->move(mapToGlobal(p));
+  demoLabel->show();
+}
+
+void LinesBoard::hideDemoText()
+{
+  if (demoLabel)
+     demoLabel->hide();
+}
+
+void LinesBoard::demoClick(int x, int y)
+{
+  QPoint lDest = QPoint(x*CELLSIZE+(CELLSIZE/2), y*CELLSIZE+(CELLSIZE/2));
+  QPoint dest = mapToGlobal(lDest);
+  QPoint cur = QCursor::pos();
+  for(int i = 0; i < 25;)
+  {
+     i++;
+     QPoint p = cur + i*(dest-cur) / 25;
+     QCursor::setPos(p);
+     QApplication::flushX();
+     QTimer::singleShot(80, this, SLOT(demoClickStep()));
+     kapp->enter_loop();
+  }
+  QCursor::setPos(dest);
+  QMouseEvent ev(QEvent::MouseButtonPress, lDest, dest, LeftButton, LeftButton);
+  mousePressEvent(&ev);
+}
+
+void LinesBoard::demoClickStep()
+{
+  kapp->exit_loop();
+}