1 files changed, 147 insertions, 0 deletions
diff --git a/kpacman/pacman.cpp b/kpacman/pacman.cpp
new file mode 100644
index 0000000..40f60a8
--- /dev/null
+++ b/kpacman/pacman.cpp
@@ -0,0 +1,147 @@
+#include "pacman.h"
+#include "board.h"
+
+Pacman::Pacman(Board *b)
+{
+    board = b;
+    setDemo(FALSE);
+    setAlive(0);
+    actualPosition = lastPosition = OUT;
+    mouthPosition = 0;
+    lastPix = 0;
+    maxPixmaps = 0;
+}
+
+void Pacman::setMaxPixmaps(int max)
+{
+    if (actualDirection == X && lastPix >= 0) {
+        actualDirection = lastPix / (maxPixmaps/4);
+        if (max < maxPixmaps)
+            mouthPosition = 0;
+        else
+            mouthPosition = lastPix % (maxPixmaps/4);
+        maxPixmaps = max;       
+
+        lastPix = pix();
+
+        actualDirection = X;
+    } else
+        maxPixmaps = max;
+}
+
+void Pacman::setAlive(int ticks)
+{
+    actualState = alive;
+    pauseDuration = ticks;
+    pause = 0;
+}
+
+void Pacman::setPosition(int pos)
+{
+    board->reset(lastPosition, pacman);
+    actualPosition = lastPosition = pos;
+    board->set(actualPosition, pacman);
+    mouthPosition = 0;
+}
+
+void Pacman::setDirection(int dir, bool forced)
+{
+    if (forced ||
+        board->isWay(actualPosition, dir, empty) ||
+        board->isWay(actualPosition, dir, tunnel)) {
+        if (dir == X)
+            lastPix = pix();
+        actualDirection = dir;
+        nextDirection = X;
+    } else
+        nextDirection = dir;
+}
+
+void Pacman::setDemo(bool yes)
+{
+    demo = yes;
+}
+
+pacmanState Pacman::state()
+{
+    return actualState;
+}
+
+int Pacman::position()
+{
+    return actualPosition;
+}
+
+int Pacman::direction()
+{
+    return actualDirection;
+}
+
+bool Pacman::move()
+{
+    if (pause-- > 0) 
+        return FALSE;
+    else
+        pause = pauseDuration;
+
+    if (actualDirection == X || actualPosition == OUT)
+        return FALSE;
+
+    lastPosition = actualPosition;
+
+    if (demo) {
+        int d = actualDirection;
+
+        do                              // try new direction, but not the opposite
+            d = rand() % 4;             // direction, to prevent hectic movement.
+        while (d == board->turn(actualDirection));
+
+        while (!board->isWay(actualPosition, d, empty) &&
+               !board->isWay(actualPosition, d, tunnel)) {
+            if (d != actualDirection)   // if new actualDirection is not possible,
+                d = actualDirection;    // try current actualDirection first.
+            else
+                d = rand() % 4;
+        }
+
+        actualDirection = d;
+        actualPosition = board->move(actualPosition, actualDirection);
+
+    } else {
+
+        if (nextDirection != X)
+            if (board->isWay(actualPosition, nextDirection, empty) ||
+                board->isWay(actualPosition, nextDirection, tunnel)) {
+                actualDirection = nextDirection;
+                nextDirection = X;      
+            }
+
+        if (board->isWay(actualPosition, actualDirection, empty) ||
+            board->isWay(actualPosition, actualDirection, tunnel))
+            actualPosition = board->move(actualPosition, actualDirection);
+    }
+
+    if (actualPosition != lastPosition) {
+        board->reset(lastPosition, pacman);
+        board->set(actualPosition, pacman);
+
+        if (++mouthPosition >= (maxPixmaps/4))
+            mouthPosition = 0;
+    }
+    return TRUE;
+}
+
+int Pacman::pix()
+{
+    if (actualPosition != OUT && maxPixmaps > 0)
+        switch (actualDirection) {
+            case N : return ((maxPixmaps/4)*0)+mouthPosition;
+            case E : return ((maxPixmaps/4)*1)+mouthPosition;
+            case S : return ((maxPixmaps/4)*2)+mouthPosition;
+            case W : return ((maxPixmaps/4)*3)+mouthPosition;
+            case X : return lastPix;
+        }
+
+    return -1;
+}
+