}
}
-static int getDirectionFromTube(int element)
+static int getOpenDirectionFromTube(int element)
{
switch (element)
{
return MV_NONE;
}
-static int getTubeFromDirection(int direction)
+static int getTubeFromOpenDirection(int direction)
{
switch (direction)
{
return EL_EMPTY;
}
-static int getTubeFromDirectionNotEmpty(int direction, int element_old)
+static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
{
- int element_new = getTubeFromDirection(direction);
+ int element_new = getTubeFromOpenDirection(direction);
return (element_new != EL_EMPTY ? element_new : element_old);
}
return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
}
+static int getOpenDirectionFromPool(int element)
+{
+ switch (element)
+ {
+ case EL_ACID_POOL_TOPLEFT: return (MV_DOWN | MV_RIGHT);
+ case EL_ACID_POOL_TOPRIGHT: return (MV_DOWN | MV_LEFT);
+ case EL_ACID_POOL_BOTTOMLEFT: return (MV_UP | MV_RIGHT);
+ case EL_ACID_POOL_BOTTOMRIGHT: return (MV_UP | MV_LEFT);
+ case EL_ACID_POOL_BOTTOM: return (MV_HORIZONTAL | MV_UP);
+ case EL_ACID: return (MV_HORIZONTAL | MV_DOWN);
+ }
+
+ return MV_NONE;
+}
+
+static int getPoolFromOpenDirection(int direction)
+{
+ switch (direction)
+ {
+ case (MV_DOWN | MV_RIGHT): return EL_ACID_POOL_TOPLEFT;
+ case (MV_DOWN | MV_LEFT): return EL_ACID_POOL_TOPRIGHT;
+ case (MV_UP | MV_RIGHT): return EL_ACID_POOL_BOTTOMLEFT;
+ case (MV_UP | MV_LEFT): return EL_ACID_POOL_BOTTOMRIGHT;
+ case (MV_HORIZONTAL | MV_UP): return EL_ACID_POOL_BOTTOM;
+ case (MV_HORIZONTAL | MV_DOWN): return EL_ACID;
+ }
+
+ return EL_EMPTY;
+}
+
+static int getPoolFromOpenDirection2(int direction, int help_element)
+{
+ int element = getPoolFromOpenDirection(direction);
+ int help_direction = getOpenDirectionFromPool(help_element);
+
+ if (element == EL_EMPTY)
+ {
+ int help_direction_vertical = help_direction & MV_VERTICAL;
+
+ element = getPoolFromOpenDirection(direction | help_direction_vertical);
+ }
+
+ if (element == EL_EMPTY)
+ {
+ int help_direction_horizontal = help_direction & MV_HORIZONTAL;
+
+ element = getPoolFromOpenDirection(direction | help_direction_horizontal);
+ }
+
+ return element;
+}
+
+static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
+{
+ int element_new = getPoolFromOpenDirection2(direction, element_old);
+
+ return (element_new != EL_EMPTY ? element_new : element_old);
+}
+
static int getClosedTube(int x, int y)
{
static int xy[4][2] =
{ 0, +1 }
};
int element_old = IntelliDrawBuffer[x][y];
- int tube_direction_old = getDirectionFromTube(element_old);
+ int tube_direction_old = getOpenDirectionFromTube(element_old);
int tube_direction_new = MV_NONE;
int i;
if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
(tube_direction_old & dir) &&
- (getDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
+ (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
tube_direction_new |= dir;
}
- return getTubeFromDirectionNotEmpty(tube_direction_new, element_old);
+ return getTubeFromOpenDirectionNotEmpty(tube_direction_new, element_old);
}
static int getClosedBelt(int x, int y)
return getBeltFromNrAndOpenDirection(belt_nr, belt_direction_new);
}
+static int getClosedPool(int x, int y)
+{
+ static int xy[4][2] =
+ {
+ { -1, 0 },
+ { +1, 0 },
+ { 0, -1 },
+ { 0, +1 }
+ };
+ int element_old = IntelliDrawBuffer[x][y];
+ int pool_direction_old = getOpenDirectionFromPool(element_old);
+ int pool_direction_new = MV_NONE;
+ int i;
+
+ for (i = 0; i < NUM_DIRECTIONS; i++)
+ {
+ int xx = x + xy[i][0];
+ int yy = y + xy[i][1];
+ int dir = MV_DIR_FROM_BIT(i);
+ int dir_opposite = MV_DIR_OPPOSITE(dir);
+
+ if (IN_LEV_FIELD(xx, yy) &&
+ IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
+ (pool_direction_old & dir) &&
+ (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
+ pool_direction_new |= dir;
+ }
+
+ return getPoolFromOpenDirectionNotEmpty(pool_direction_new, element_old);
+}
+
static void SetElementSimple(int x, int y, int element, boolean change_level)
{
if (change_level)
{ 0, -1 },
{ 0, +1 }
};
- boolean last_element_is_neighbour = FALSE;
- int last_element_new;
+ int last_element_new = EL_UNDEFINED;
int direction = MV_NONE;
int i;
/* if existing element is tube, keep all existing tube directions */
if (IS_TUBE(old_element))
- direction |= getDirectionFromTube(old_element);
+ direction |= getOpenDirectionFromTube(old_element);
for (i = 0; i < NUM_DIRECTIONS; i++)
{
int dir = MV_DIR_FROM_BIT(i);
int dir_opposite = MV_DIR_OPPOSITE(dir);
int last_element_old = IntelliDrawBuffer[last_x][last_y];
- int last_direction_old = getDirectionFromTube(last_element_old);
+ int last_direction_old = getOpenDirectionFromTube(last_element_old);
int last_direction_new = last_direction_old | dir_opposite;
- last_element_new = getTubeFromDirection(last_direction_new);
- last_element_is_neighbour = TRUE;
+ last_element_new = getTubeFromOpenDirection(last_direction_new);
direction |= dir;
}
}
- new_element = getTubeFromDirectionNotEmpty(direction, new_element);
+ new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
/* reduce connections of neighbour tube elements to minimal connections */
- if (last_element_is_neighbour)
+ if (last_element_new != EL_UNDEFINED)
{
/* set neighbour tube elements to newly determined tube connections */
SetElementSimple(x, y, new_element, change_level);
SetElementSimple(last_x, last_y, last_element_new, change_level);
}
}
- else if (IS_ACID_POOL(new_element))
+ else if (IS_ACID_POOL_OR_ACID(new_element))
{
+#if 1
+ static int xy[4][2] =
+ {
+ { -1, 0 },
+ { +1, 0 },
+ { 0, -1 },
+ { 0, +1 }
+ };
int last_element_new = EL_UNDEFINED;
+ int direction = MV_NONE;
+ int i;
- if (IS_ACID_POOL(old_element))
+ /* if existing element is pool, keep all existing pool directions */
+ if (IS_ACID_POOL_OR_ACID(old_element))
+ direction |= getOpenDirectionFromPool(old_element);
+
+ for (i = 0; i < NUM_DIRECTIONS; i++)
{
- new_element = old_element;
+ int xx = x + xy[i][0];
+ int yy = y + xy[i][1];
+
+ if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
+ IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
+ {
+ int dir = MV_DIR_FROM_BIT(i);
+ int dir_opposite = MV_DIR_OPPOSITE(dir);
+ int last_element_old = IntelliDrawBuffer[last_x][last_y];
+ int last_direction_old = getOpenDirectionFromPool(last_element_old);
+ int last_direction_new = last_direction_old | dir_opposite;
+
+ last_element_new = getPoolFromOpenDirection(last_direction_new);
+
+ direction |= dir;
+ }
}
+#if 1
+ if (last_element_new == EL_EMPTY)
+ last_element_new = EL_ACID;
+#endif
+
+#if 1
+ if (last_element_new != EL_UNDEFINED)
+ new_element = getPoolFromOpenDirectionNotEmpty(direction,
+ last_element_new);
+ else
+ new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
+#else
+ new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
+#endif
+
+ /* reduce connections of neighbour pool elements to minimal connections */
+ if (last_element_new != EL_UNDEFINED)
+ {
+ /* set neighbour pool elements to newly determined pool connections */
+ SetElementSimple(x, y, new_element, change_level);
+ SetElementSimple(last_x, last_y, last_element_new, change_level);
+
+ /* remove all open pool connections of neighbour pool elements */
+ new_element = getClosedPool(x, y);
+ last_element_new = getClosedPool(last_x, last_y);
+
+ /* set neighbour pool elements to new, minimized pool connections */
+ SetElementSimple(x, y, new_element, change_level);
+ SetElementSimple(last_x, last_y, last_element_new, change_level);
+ }
+
+#else
+
+ int last_element_new = EL_UNDEFINED;
+
+ if (IS_ACID_POOL(old_element))
+ new_element = old_element;
+
if (last_x == x - 1 && last_y == y && IN_LEV_FIELD(last_x, last_y) &&
IS_ACID_POOL(IntelliDrawBuffer[last_x][last_y]))
{
if (last_element_new != EL_UNDEFINED)
SetElementSimple(last_x, last_y, last_element_new, change_level);
+#endif
}
else if (IS_BELT(new_element))
{
int last_element_new = EL_UNDEFINED;
- int belt_nr = getBeltNrFromBeltElement(new_element);
-#if 0
- int belt_left = getBeltElementFromBeltNrAndBeltDir(belt_nr, MV_LEFT);
-#endif
- int belt_middle = getBeltElementFromBeltNrAndBeltDir(belt_nr, MV_NONE);
-#if 0
- int belt_right = getBeltElementFromBeltNrAndBeltDir(belt_nr, MV_RIGHT);
-#endif
- boolean last_element_is_neighbour = FALSE;
-#if 0
- if (IS_BELT(old_element))
- {
- new_element = old_element;
- }
-#endif
-
- if (last_x == x - 1 && last_y == y && IN_LEV_FIELD(last_x, last_y) &&
+ if (((last_x == x - 1 && last_y == y) ||
+ (last_x == x + 1 && last_y == y)) && IN_LEV_FIELD(last_x, last_y) &&
IS_BELT(IntelliDrawBuffer[last_x][last_y]))
{
- last_element_new = IntelliDrawBuffer[last_x][last_y];
+ int belt_nr = getBeltNrFromBeltElement(new_element);
+ int belt_middle = getBeltElementFromBeltNrAndBeltDir(belt_nr, MV_NONE);
-#if 1
- last_element_new = belt_middle;
new_element = belt_middle;
-#else
- if (IntelliDrawBuffer[last_x][last_y] == belt_left)
- {
- new_element = belt_right;
- }
- else if (IntelliDrawBuffer[last_x][last_y] == belt_right)
- {
- last_element_new = belt_middle;
- new_element = belt_right;
- }
-#endif
-
- last_element_is_neighbour = TRUE;
- }
- else if (last_x == x + 1 && last_y == y && IN_LEV_FIELD(last_x, last_y) &&
- IS_BELT(IntelliDrawBuffer[last_x][last_y]))
- {
- last_element_new = IntelliDrawBuffer[last_x][last_y];
-
-#if 1
last_element_new = belt_middle;
- new_element = belt_middle;
-#else
- if (IntelliDrawBuffer[last_x][last_y] == belt_left)
- {
- last_element_new = belt_middle;
- new_element = belt_left;
- }
- else if (IntelliDrawBuffer[last_x][last_y] == belt_right)
- {
- new_element = belt_left;
- }
-#endif
-
- last_element_is_neighbour = TRUE;
}
- if (last_element_new != EL_UNDEFINED)
- SetElementSimple(last_x, last_y, last_element_new, change_level);
-
/* reduce connections of neighbour belt elements to minimal connections */
- if (last_element_is_neighbour)
+ if (last_element_new != EL_UNDEFINED)
{
/* set neighbour belt elements to newly determined belt connections */
SetElementSimple(x, y, new_element, change_level);
#endif
}
+#if 1
+
+static void DrawLine(int from_x, int from_y, int to_x, int to_y,
+ int element, boolean change_level)
+{
+ int xsize = ABS(to_x - from_x);
+ int ysize = ABS(to_y - from_y);
+ int dx = (to_x < from_x ? -1 : +1);
+ int dy = (to_y < from_y ? -1 : +1);
+ int i;
+
+ if (from_y == to_y) /* horizontal line */
+ {
+ for (i = 0; i <= xsize; i++)
+ DrawLineElement(from_x + i * dx, from_y, element, change_level);
+ }
+ else if (from_x == to_x) /* vertical line */
+ {
+ for (i = 0; i <= ysize; i++)
+ DrawLineElement(from_x, from_y + i * dy, element, change_level);
+ }
+ else /* diagonal line */
+ {
+ int x, y;
+
+ if (ysize < xsize) /* a < 1 */
+ {
+ float a = (float)ysize / (float)xsize;
+
+ for (i = 0; i <= xsize; i++)
+ {
+ y = (int)(a * i + 0.5) * dy;
+ DrawLineElement(from_x + i * dx, from_y + y, element, change_level);
+ }
+ }
+ else /* a >= 1 */
+ {
+ float a = (float)xsize / (float)ysize;
+
+ for (i = 0; i <= ysize; i++)
+ {
+ x = (int)(a * i + 0.5) * dx;
+ DrawLineElement(from_x + x, from_y + i * dy, element, change_level);
+ }
+ }
+ }
+}
+
+#else
+
static void DrawLine(int from_x, int from_y, int to_x, int to_y,
int element, boolean change_level)
{
}
}
+#endif
+
static void DrawBox(int from_x, int from_y, int to_x, int to_y,
int element, boolean change_level)
{