return (element_new != EL_EMPTY ? element_new : element_old);
}
-static int getMinimalConnectedTube(int x, int y)
+static int getOpenDirectionFromBelt(int element)
+{
+ int belt_dir = getBeltDirFromBeltElement(element);
+
+ return (belt_dir == MV_LEFT ? MV_RIGHT :
+ belt_dir == MV_RIGHT ? MV_LEFT :
+ belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
+}
+
+static int getBeltFromNrAndOpenDirection(int nr, int direction)
+{
+ int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
+ direction == MV_RIGHT ? MV_LEFT :
+ direction == MV_HORIZONTAL ? MV_NONE : direction);
+
+ return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
+}
+
+static int getClosedTube(int x, int y)
{
static int xy[4][2] =
{
return getTubeFromDirectionNotEmpty(tube_direction_new, element_old);
}
+static int getClosedBelt(int x, int y)
+{
+ static int xy[2][2] =
+ {
+ { -1, 0 },
+ { +1, 0 },
+ };
+ int element_old = IntelliDrawBuffer[x][y];
+ int belt_nr = getBeltNrFromBeltElement(element_old);
+ int belt_direction_old = getOpenDirectionFromBelt(element_old);
+ int belt_direction_new = MV_NONE;
+ int i;
+
+ for (i = 0; i < 2; 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_BELT(IntelliDrawBuffer[xx][yy]) &&
+ (belt_direction_old & dir) &&
+ (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
+ belt_direction_new |= dir;
+ }
+
+ return getBeltFromNrAndOpenDirection(belt_nr, belt_direction_new);
+}
+
static void SetElementSimple(int x, int y, int element, boolean change_level)
{
if (change_level)
};
boolean last_element_is_neighbour = FALSE;
int last_element_new;
- int tube_direction = MV_NONE;
+ int direction = MV_NONE;
int i;
/* if existing element is tube, keep all existing tube directions */
if (IS_TUBE(old_element))
- tube_direction |= getDirectionFromTube(old_element);
+ direction |= getDirectionFromTube(old_element);
for (i = 0; i < NUM_DIRECTIONS; i++)
{
last_element_new = getTubeFromDirection(last_direction_new);
last_element_is_neighbour = TRUE;
- tube_direction |= dir;
+ direction |= dir;
}
}
- new_element = getTubeFromDirectionNotEmpty(tube_direction, new_element);
+ new_element = getTubeFromDirectionNotEmpty(direction, new_element);
/* reduce connections of neighbour tube elements to minimal connections */
if (last_element_is_neighbour)
SetElementSimple(last_x, last_y, last_element_new, change_level);
/* remove all open tube connections of neighbour tube elements */
- new_element = getMinimalConnectedTube(x, y);
- last_element_new = getMinimalConnectedTube(last_x, last_y);
+ new_element = getClosedTube(x, y);
+ last_element_new = getClosedTube(last_x, last_y);
/* set neighbour tube elements to new, minimized 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))
+ {
+ 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 (IntelliDrawBuffer[last_x][last_y] == EL_ACID_POOL_TOPLEFT)
+ {
+ new_element = EL_ACID_POOL_TOPRIGHT;
+ }
+ else if (IntelliDrawBuffer[last_x][last_y] == EL_ACID_POOL_TOPRIGHT)
+ {
+ last_element_new = EL_ACID;
+ new_element = EL_ACID_POOL_TOPRIGHT;
+ }
+ else if (IntelliDrawBuffer[last_x][last_y] == EL_ACID_POOL_BOTTOMLEFT)
+ {
+ new_element = EL_ACID_POOL_BOTTOMRIGHT;
+ }
+ else if (IntelliDrawBuffer[last_x][last_y] == EL_ACID_POOL_BOTTOMRIGHT)
+ {
+ last_element_new = EL_ACID_POOL_BOTTOM;
+ new_element = EL_ACID_POOL_BOTTOMRIGHT;
+ }
+ }
+ else if (last_x == x + 1 && last_y == y && IN_LEV_FIELD(last_x, last_y) &&
+ IS_ACID_POOL(IntelliDrawBuffer[last_x][last_y]))
+ {
+ if (IntelliDrawBuffer[last_x][last_y] == EL_ACID_POOL_TOPLEFT)
+ {
+ last_element_new = EL_ACID;
+ new_element = EL_ACID_POOL_TOPLEFT;
+ }
+ else if (IntelliDrawBuffer[last_x][last_y] == EL_ACID_POOL_TOPRIGHT)
+ {
+ new_element = EL_ACID_POOL_TOPLEFT;
+ }
+ else if (IntelliDrawBuffer[last_x][last_y] == EL_ACID_POOL_BOTTOMLEFT)
+ {
+ last_element_new = EL_ACID_POOL_BOTTOM;
+ new_element = EL_ACID_POOL_BOTTOMLEFT;
+ }
+ else if (IntelliDrawBuffer[last_x][last_y] == EL_ACID_POOL_BOTTOMRIGHT)
+ {
+ new_element = EL_ACID_POOL_BOTTOMLEFT;
+ }
+ }
+ else if (last_x == x && last_y == y - 1 && IN_LEV_FIELD(last_x, last_y) &&
+ IS_ACID_POOL(IntelliDrawBuffer[last_x][last_y]))
+ {
+ if (IntelliDrawBuffer[last_x][last_y] == EL_ACID_POOL_TOPLEFT)
+ {
+ new_element = EL_ACID_POOL_BOTTOMLEFT;
+ }
+ else if (IntelliDrawBuffer[last_x][last_y] == EL_ACID_POOL_TOPRIGHT)
+ {
+ new_element = EL_ACID_POOL_BOTTOMRIGHT;
+ }
+ else if (IntelliDrawBuffer[last_x][last_y] == EL_ACID_POOL_BOTTOMLEFT)
+ {
+ last_element_new = EL_ACID_POOL_TOPLEFT;
+ new_element = EL_ACID_POOL_BOTTOMLEFT;
+ }
+ else if (IntelliDrawBuffer[last_x][last_y] == EL_ACID_POOL_BOTTOMRIGHT)
+ {
+ last_element_new = EL_ACID_POOL_TOPRIGHT;
+ new_element = EL_ACID_POOL_BOTTOMRIGHT;
+ }
+ else
+ {
+ last_element_new = EL_ACID;
+ new_element = EL_ACID_POOL_BOTTOM;
+ }
+ }
+ else if (last_x == x && last_y == y + 1 && IN_LEV_FIELD(last_x, last_y) &&
+ IS_ACID_POOL(IntelliDrawBuffer[last_x][last_y]))
+ {
+ if (IntelliDrawBuffer[last_x][last_y] == EL_ACID_POOL_TOPLEFT)
+ {
+ new_element = EL_ACID_POOL_TOPLEFT;
+ }
+ else if (IntelliDrawBuffer[last_x][last_y] == EL_ACID_POOL_TOPRIGHT)
+ {
+ new_element = EL_ACID_POOL_TOPRIGHT;
+ }
+ else if (IntelliDrawBuffer[last_x][last_y] == EL_ACID_POOL_BOTTOMLEFT)
+ {
+ new_element = EL_ACID_POOL_TOPLEFT;
+ }
+ else if (IntelliDrawBuffer[last_x][last_y] == EL_ACID_POOL_BOTTOMRIGHT)
+ {
+ new_element = EL_ACID_POOL_TOPRIGHT;
+ }
+ else
+ {
+ last_element_new = EL_ACID;
+ new_element = EL_ACID;
+ }
+ }
+
+ if (last_element_new != EL_UNDEFINED)
+ SetElementSimple(last_x, last_y, last_element_new, change_level);
+ }
+ else if (IS_BELT(new_element))
+ {
+ int last_element_new = EL_UNDEFINED;
+ int belt_nr = getBeltNrFromBeltElement(new_element);
+ int belt_left = getBeltElementFromBeltNrAndBeltDir(belt_nr, MV_LEFT);
+ int belt_none = getBeltElementFromBeltNrAndBeltDir(belt_nr, MV_NONE);
+ int belt_right = getBeltElementFromBeltNrAndBeltDir(belt_nr, MV_RIGHT);
+ boolean last_element_is_neighbour = FALSE;
+
+ if (IS_BELT(old_element))
+ {
+ new_element = old_element;
+ }
+
+ 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 (IntelliDrawBuffer[last_x][last_y] == belt_left)
+ {
+ new_element = belt_right;
+ }
+ else if (IntelliDrawBuffer[last_x][last_y] == belt_right)
+ {
+ last_element_new = belt_none;
+ new_element = belt_right;
+ }
+
+ 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 (IntelliDrawBuffer[last_x][last_y] == belt_left)
+ {
+ last_element_new = belt_none;
+ new_element = belt_left;
+ }
+ else if (IntelliDrawBuffer[last_x][last_y] == belt_right)
+ {
+ new_element = belt_left;
+ }
+
+ 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)
+ {
+ /* set neighbour belt elements to newly determined belt connections */
+ SetElementSimple(x, y, new_element, change_level);
+ SetElementSimple(last_x, last_y, last_element_new, change_level);
+
+ /* remove all open belt connections of neighbour belt elements */
+ new_element = getClosedBelt(x, y);
+ last_element_new = getClosedBelt(last_x, last_y);
+
+ /* set neighbour belt elements to new, minimized belt connections */
+ SetElementSimple(x, y, new_element, change_level);
+ SetElementSimple(last_x, last_y, last_element_new, change_level);
+ }
+ }
+ else if (new_element == EL_EMC_WALL_1 ||
+ new_element == EL_EMC_WALL_2 ||
+ new_element == EL_EMC_WALL_3)
+ {
+ int last_element_new = EL_UNDEFINED;
+
+ if (last_x == x && last_y == y - 1 && IN_LEV_FIELD(last_x, last_y) &&
+ (IntelliDrawBuffer[last_x][last_y] == EL_EMC_WALL_1 ||
+ IntelliDrawBuffer[last_x][last_y] == EL_EMC_WALL_2 ||
+ IntelliDrawBuffer[last_x][last_y] == EL_EMC_WALL_3))
+ {
+ if (IN_LEV_FIELD(last_x, last_y - 1))
+ {
+ if (IntelliDrawBuffer[last_x][last_y - 1] != EL_EMC_WALL_1 &&
+ IntelliDrawBuffer[last_x][last_y - 1] != EL_EMC_WALL_2)
+ last_element_new = EL_EMC_WALL_1;
+ else if (IntelliDrawBuffer[last_x][last_y - 1] == EL_EMC_WALL_1 ||
+ IntelliDrawBuffer[last_x][last_y - 1] == EL_EMC_WALL_2)
+ last_element_new = EL_EMC_WALL_2;
+ }
+
+ new_element = EL_EMC_WALL_3;
+ }
+ else if (last_x == x && last_y == y + 1 && IN_LEV_FIELD(last_x, last_y) &&
+ (IntelliDrawBuffer[last_x][last_y] == EL_EMC_WALL_1 ||
+ IntelliDrawBuffer[last_x][last_y] == EL_EMC_WALL_2 ||
+ IntelliDrawBuffer[last_x][last_y] == EL_EMC_WALL_3))
+ {
+ if (IN_LEV_FIELD(last_x, last_y + 1))
+ {
+ if (IntelliDrawBuffer[last_x][last_y + 1] != EL_EMC_WALL_2 &&
+ IntelliDrawBuffer[last_x][last_y + 1] != EL_EMC_WALL_3)
+ last_element_new = EL_EMC_WALL_3;
+ else if (IntelliDrawBuffer[last_x][last_y + 1] == EL_EMC_WALL_2 ||
+ IntelliDrawBuffer[last_x][last_y + 1] == EL_EMC_WALL_3)
+ last_element_new = EL_EMC_WALL_2;
+ }
+
+ new_element = EL_EMC_WALL_1;
+ }
+
+ if (last_element_new != EL_UNDEFINED)
+ SetElementSimple(last_x, last_y, last_element_new, change_level);
+ }
SetElementSimple(x, y, new_element, change_level);