/* actual position of level editor drawing area in level playfield */
static int level_xpos = -1, level_ypos = -1;
+#if 1
+#define IN_ED_FIELD(x,y) IN_FIELD(x, y, ed_fieldx, ed_fieldy)
+#else
#define IN_ED_FIELD(x,y) ((x)>=0 && (x)<ed_fieldx && (y)>=0 &&(y)<ed_fieldy)
+#endif
/* drawing elements on the three mouse buttons */
static int new_element1 = EL_WALL;
static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
+static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
static int undo_buffer_position = 0;
static int undo_buffer_steps = 0;
}
}
-static void DrawLineElement(int sx, int sy, int element, boolean change_level)
+static int getOpenDirectionFromTube(int element)
{
- int lx = sx + level_xpos;
- int ly = sy + level_ypos;
+ switch (element)
+ {
+ case EL_TUBE_LEFT_UP: return (MV_LEFT | MV_UP);
+ case EL_TUBE_LEFT_DOWN: return (MV_LEFT | MV_DOWN);
+ case EL_TUBE_RIGHT_UP: return (MV_RIGHT | MV_UP);
+ case EL_TUBE_RIGHT_DOWN: return (MV_RIGHT | MV_DOWN);
+ case EL_TUBE_HORIZONTAL: return (MV_HORIZONTAL);
+ case EL_TUBE_HORIZONTAL_UP: return (MV_HORIZONTAL | MV_UP);
+ case EL_TUBE_HORIZONTAL_DOWN: return (MV_HORIZONTAL | MV_DOWN);
+ case EL_TUBE_VERTICAL: return (MV_VERTICAL);
+ case EL_TUBE_VERTICAL_LEFT: return (MV_VERTICAL | MV_LEFT);
+ case EL_TUBE_VERTICAL_RIGHT: return (MV_VERTICAL | MV_RIGHT);
+ case EL_TUBE_ANY: return (MV_ANY_DIRECTION);
+ }
+
+ return MV_NONE;
+}
+
+static int getTubeFromOpenDirection(int direction)
+{
+ switch (direction)
+ {
+ case (MV_LEFT | MV_UP): return EL_TUBE_LEFT_UP;
+ case (MV_LEFT | MV_DOWN): return EL_TUBE_LEFT_DOWN;
+ case (MV_RIGHT | MV_UP): return EL_TUBE_RIGHT_UP;
+ case (MV_RIGHT | MV_DOWN): return EL_TUBE_RIGHT_DOWN;
+ case (MV_HORIZONTAL): return EL_TUBE_HORIZONTAL;
+ case (MV_HORIZONTAL | MV_UP): return EL_TUBE_HORIZONTAL_UP;
+ case (MV_HORIZONTAL | MV_DOWN): return EL_TUBE_HORIZONTAL_DOWN;
+ case (MV_VERTICAL): return EL_TUBE_VERTICAL;
+ case (MV_VERTICAL | MV_LEFT): return EL_TUBE_VERTICAL_LEFT;
+ case (MV_VERTICAL | MV_RIGHT): return EL_TUBE_VERTICAL_RIGHT;
+ case (MV_ANY_DIRECTION): return EL_TUBE_ANY;
+
+ /* if only one direction, fall back to simple tube with that direction */
+ case (MV_LEFT): return EL_TUBE_HORIZONTAL;
+ case (MV_RIGHT): return EL_TUBE_HORIZONTAL;
+ case (MV_UP): return EL_TUBE_VERTICAL;
+ case (MV_DOWN): return EL_TUBE_VERTICAL;
+ }
+
+ return EL_EMPTY;
+}
+
+static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
+{
+ int element_new = getTubeFromOpenDirection(direction);
+
+ return (element_new != EL_EMPTY ? element_new : element_old);
+}
+
+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);
+
+ if (direction == MV_NONE)
+ return EL_EMPTY;
+
+ return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
+}
+
+static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
+ int element_old)
+{
+ int element_new = getBeltFromNrAndOpenDirection(nr, direction);
+
+ return (element_new != EL_EMPTY ? element_new : element_old);
+}
+
+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 getPoolFromOpenDirectionExt(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 = getPoolFromOpenDirectionExt(direction, element_old);
+
+ return (element_new != EL_EMPTY ? element_new : element_old);
+}
+
+static int getOpenDirectionFromPillar(int element)
+{
+ switch (element)
+ {
+ case EL_EMC_WALL_1: return (MV_DOWN);
+ case EL_EMC_WALL_2: return (MV_VERTICAL);
+ case EL_EMC_WALL_3: return (MV_UP);
+ }
+
+ return MV_NONE;
+}
+
+static int getPillarFromOpenDirection(int direction)
+{
+ switch (direction)
+ {
+ case (MV_DOWN): return EL_EMC_WALL_1;
+ case (MV_VERTICAL): return EL_EMC_WALL_2;
+ case (MV_UP): return EL_EMC_WALL_3;
+ }
+
+ return EL_EMPTY;
+}
+
+static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
+{
+ int element_new = getPillarFromOpenDirection(direction);
+
+ return (element_new != EL_EMPTY ? element_new : element_old);
+}
+
+static int getClosedTube(int x, int y)
+{
+ static int xy[4][2] =
+ {
+ { -1, 0 },
+ { +1, 0 },
+ { 0, -1 },
+ { 0, +1 }
+ };
+ int element_old = IntelliDrawBuffer[x][y];
+ int tube_direction_old = getOpenDirectionFromTube(element_old);
+ int tube_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_TUBE(IntelliDrawBuffer[xx][yy]) &&
+ (tube_direction_old & dir) &&
+ (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
+ tube_direction_new |= dir;
+ }
+
+ return getTubeFromOpenDirectionNotEmpty(tube_direction_new, element_old);
+}
- DrawMiniElement(sx, sy, (element < 0 ? Feld[lx][ly] : element));
+static int getClosedBelt(int x, int y)
+{
+ static int xy[4][2] =
+ {
+ { -1, 0 },
+ { +1, 0 },
+ { 0, -1 },
+ { 0, +1 }
+ };
+ 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 = MV_BIT_LEFT; i <= MV_BIT_RIGHT; 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 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 int getClosedPillar(int x, int y)
+{
+ static int xy[4][2] =
+ {
+ { -1, 0 },
+ { +1, 0 },
+ { 0, -1 },
+ { 0, +1 }
+ };
+ int element_old = IntelliDrawBuffer[x][y];
+ int pillar_direction_old = getOpenDirectionFromPillar(element_old);
+ int pillar_direction_new = MV_NONE;
+ int i;
+
+ for (i = MV_BIT_UP; i <= MV_BIT_DOWN; 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_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
+ (pillar_direction_old & dir) &&
+ (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
+ pillar_direction_new |= dir;
+ }
+
+ return getPillarFromOpenDirectionNotEmpty(pillar_direction_new, element_old);
+}
+
+static void SetElementSimple(int x, int y, int element, boolean change_level)
+{
+ int sx = x - level_xpos;
+ int sy = y - level_ypos;
+
+ IntelliDrawBuffer[x][y] = element;
if (change_level)
- Feld[lx][ly] = element;
+ Feld[x][y] = element;
+
+ if (IN_ED_FIELD(sx, sy))
+ DrawMiniElement(sx, sy, element);
}
-static void DrawLine(int from_x, int from_y, int to_x, int to_y,
- int element, boolean change_level)
+static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
+ int x2, int y2, int *element2,
+ int (*close_function)(int, int),
+ boolean change_level)
{
- if (from_y == to_y) /* horizontal line */
+ /* set neighbour elements to newly determined connections */
+ SetElementSimple(x1, y1, *element1, change_level);
+ SetElementSimple(x2, y2, *element2, change_level);
+
+ /* remove all open connections of neighbour elements */
+ *element1 = close_function(x1, y1);
+ *element2 = close_function(x2, y2);
+
+ /* set neighbour elements to new, minimized connections */
+ SetElementSimple(x1, y1, *element1, change_level);
+ SetElementSimple(x2, y2, *element2, change_level);
+}
+
+static void SetElementIntelliDraw(int x, int y, int new_element,
+ boolean change_level)
+{
+ static int xy[4][2] =
{
- int x;
- int y = from_y;
+ { -1, 0 },
+ { +1, 0 },
+ { 0, -1 },
+ { 0, +1 }
+ };
+ static int last_x = -1;
+ static int last_y = -1;
+ int old_element = IntelliDrawBuffer[x][y];
- if (from_x > to_x)
- swap_numbers(&from_x, &to_x);
+ if (new_element == EL_UNDEFINED)
+ {
+ last_x = -1;
+ last_y = -1;
- for (x = from_x; x <= to_x; x++)
- DrawLineElement(x, y, element, change_level);
+ return;
}
- else if (from_x == to_x) /* vertical line */
+
+ if (IS_TUBE(new_element))
{
- int x = from_x;
- int y;
+ int last_element_new = EL_UNDEFINED;
+ int direction = MV_NONE;
+ int i;
- if (from_y > to_y)
- swap_numbers(&from_y, &to_y);
+ /* if existing element is tube, keep all existing tube directions */
+ if (IS_TUBE(old_element))
+ direction |= getOpenDirectionFromTube(old_element);
+
+ for (i = 0; i < NUM_DIRECTIONS; i++)
+ {
+ 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_TUBE(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 = getOpenDirectionFromTube(last_element_old);
+ int last_direction_new = last_direction_old | dir_opposite;
+
+ last_element_new = getTubeFromOpenDirection(last_direction_new);
+
+ direction |= dir;
+ }
+ }
- for (y = from_y; y <= to_y; y++)
- DrawLineElement(x, y, element, change_level);
+ new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
+
+ if (last_element_new != EL_UNDEFINED)
+ MergeAndCloseNeighbourElements(x, y, &new_element,
+ last_x, last_y, &last_element_new,
+ getClosedTube, change_level);
}
- else /* diagonal line */
+ else if (IS_BELT(new_element))
+ {
+ int belt_nr = getBeltNrFromBeltElement(new_element);
+ int last_element_new = EL_UNDEFINED;
+ int direction = MV_NONE;
+ int i;
+
+ /* if existing element is belt, keep all existing belt directions */
+ if (IS_BELT(old_element))
+ direction |= getOpenDirectionFromBelt(old_element);
+
+ for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
+ {
+ 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_BELT(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_belt_nr = getBeltNrFromBeltElement(last_element_old);
+ int last_direction_old = getOpenDirectionFromBelt(last_element_old);
+ int last_direction_new = last_direction_old | dir_opposite;
+
+ last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
+ last_direction_new);
+ direction |= dir;
+ }
+ }
+
+ new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
+ new_element);
+ if (last_element_new != EL_UNDEFINED)
+ MergeAndCloseNeighbourElements(x, y, &new_element,
+ last_x, last_y, &last_element_new,
+ getClosedBelt, change_level);
+ }
+ else if (IS_ACID_POOL_OR_ACID(new_element))
+ {
+ int last_element_new = EL_UNDEFINED;
+ int direction = MV_NONE;
+ int i;
+
+ /* 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++)
+ {
+ 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
+ int foo = last_element_new;
+
+ if (foo == EL_EMPTY)
+ foo = EL_ACID;
+
+ if (last_element_new == EL_EMPTY)
+ last_element_new = old_element;
+
+ if (last_element_new != EL_UNDEFINED)
+ new_element = getPoolFromOpenDirectionNotEmpty(direction,
+ foo);
+ else
+ new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
+
+#else
+
+#if 0
+ if (last_element_new == EL_EMPTY)
+ last_element_new = new_element;
+#else
+ 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
+
+#endif
+
+ if (last_element_new != EL_UNDEFINED)
+ MergeAndCloseNeighbourElements(x, y, &new_element,
+ last_x, last_y, &last_element_new,
+ getClosedPool, change_level);
+ }
+ else if (IS_EMC_PILLAR(new_element))
+ {
+ int last_element_new = EL_UNDEFINED;
+ int direction = MV_NONE;
+ int i;
+
+ /* if existing element is pillar, keep all existing pillar directions */
+ if (IS_EMC_PILLAR(old_element))
+ direction |= getOpenDirectionFromPillar(old_element);
+
+ for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
+ {
+ 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_EMC_PILLAR(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 = getOpenDirectionFromPillar(last_element_old);
+ int last_direction_new = last_direction_old | dir_opposite;
+
+ last_element_new = getPillarFromOpenDirection(last_direction_new);
+
+ direction |= dir;
+ }
+ }
+
+ new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
+
+ if (last_element_new != EL_UNDEFINED)
+ MergeAndCloseNeighbourElements(x, y, &new_element,
+ last_x, last_y, &last_element_new,
+ getClosedPillar, change_level);
+ }
+ else if (IS_BELT_SWITCH(old_element))
+ {
+ int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
+ int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
+
+ belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
+ belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
+
+ new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
+ }
+ else
{
- int len_x = ABS(to_x - from_x);
- int len_y = ABS(to_y - from_y);
- int x, y;
+ static int swappable_elements[][2] =
+ {
+ { EL_EXIT_CLOSED, EL_EXIT_OPEN },
+ { EL_DYNAMITE, EL_DYNAMITE_ACTIVE },
+ { EL_EM_DYNAMITE, EL_EM_DYNAMITE_ACTIVE },
+ { EL_QUICKSAND_EMPTY, EL_QUICKSAND_FULL },
+ { EL_EMERALD, EL_WALL_EMERALD },
+ { EL_EMERALD_YELLOW, EL_WALL_EMERALD_YELLOW },
+ { EL_EMERALD_RED, EL_WALL_EMERALD_RED },
+ { EL_EMERALD_PURPLE, EL_WALL_EMERALD_PURPLE },
+ { EL_DIAMOND, EL_WALL_DIAMOND },
+ { EL_BD_DIAMOND, EL_WALL_BD_DIAMOND },
+ { EL_GATE_1, EL_GATE_1_GRAY },
+ { EL_GATE_2, EL_GATE_2_GRAY },
+ { EL_GATE_3, EL_GATE_3_GRAY },
+ { EL_GATE_4, EL_GATE_4_GRAY },
+ { EL_EM_GATE_1, EL_EM_GATE_1_GRAY },
+ { EL_EM_GATE_2, EL_EM_GATE_2_GRAY },
+ { EL_EM_GATE_3, EL_EM_GATE_3_GRAY },
+ { EL_EM_GATE_4, EL_EM_GATE_4_GRAY },
+ { EL_EMC_GATE_5, EL_EMC_GATE_5_GRAY },
+ { EL_EMC_GATE_6, EL_EMC_GATE_6_GRAY },
+ { EL_EMC_GATE_7, EL_EMC_GATE_7_GRAY },
+ { EL_EMC_GATE_8, EL_EMC_GATE_8_GRAY },
+ { EL_DC_GATE_WHITE, EL_DC_GATE_WHITE_GRAY },
+ { EL_TIME_ORB_EMPTY, EL_TIME_ORB_FULL },
+ { EL_LAMP, EL_LAMP_ACTIVE },
+ { EL_SOKOBAN_FIELD_EMPTY, EL_SOKOBAN_FIELD_FULL },
+ { EL_SP_BASE, EL_SP_BUGGY_BASE },
+ { EL_PEARL, EL_WALL_PEARL },
+ { EL_CRYSTAL, EL_WALL_CRYSTAL },
+ { EL_TIMEGATE_CLOSED, EL_TIMEGATE_OPEN },
+ { EL_SWITCHGATE_CLOSED, EL_SWITCHGATE_OPEN },
+ { EL_SWITCHGATE_SWITCH_UP, EL_SWITCHGATE_SWITCH_DOWN },
+ { EL_DC_SWITCHGATE_SWITCH_UP, EL_DC_SWITCHGATE_SWITCH_DOWN },
+ { EL_LIGHT_SWITCH, EL_LIGHT_SWITCH_ACTIVE },
+ { EL_LANDMINE, EL_DC_LANDMINE },
+ { EL_SHIELD_NORMAL, EL_SHIELD_DEADLY },
+ { EL_STEEL_EXIT_CLOSED, EL_STEEL_EXIT_OPEN },
+ { EL_EM_EXIT_CLOSED, EL_EM_EXIT_OPEN },
+ { EL_EM_STEEL_EXIT_CLOSED, EL_EM_STEEL_EXIT_OPEN },
+ { EL_QUICKSAND_FAST_EMPTY, EL_QUICKSAND_FAST_FULL },
+
+ { -1, -1 },
+ };
+ int i;
- if (len_y < len_x) /* a < 1 */
+ for (i = 0; swappable_elements[i][0] != -1; i++)
{
- float a = (float)len_y / (float)len_x;
+ int element1 = swappable_elements[i][0];
+ int element2 = swappable_elements[i][1];
+
+ if (old_element == element1 || old_element == element2)
+ new_element = (old_element == element1 ? element2 : element1);
+ }
+ }
+
+ SetElementSimple(x, y, new_element, change_level);
+
+ last_x = x;
+ last_y = y;
+}
+
+static void ResetIntelliDraw()
+{
+ int x, y;
+
+ for (x = 0; x < lev_fieldx; x++)
+ for (y = 0; y < lev_fieldy; y++)
+ IntelliDrawBuffer[x][y] = Feld[x][y];
+
+ SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE);
+}
- if (from_x > to_x)
- swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
+static void SetElementExt(int x, int y, int element, boolean change_level)
+{
+ if (element < 0)
+ SetElementSimple(x, y, Feld[x][y], change_level);
+ else if (GetKeyModState() & KMOD_Shift)
+ SetElementIntelliDraw(x, y, element, change_level);
+ else
+ SetElementSimple(x, y, element, change_level);
+}
+
+static void SetElement(int x, int y, int element)
+{
+ SetElementExt(x, y, element, TRUE);
+}
+
+static void DrawLineElement(int sx, int sy, int element, boolean change_level)
+{
+ int lx = sx + level_xpos;
+ int ly = sy + level_ypos;
+
+ SetElementExt(lx, ly, element, change_level);
+}
+
+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;
- for (x = 0; x <= len_x; x++)
+ 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 */
+ {
+ if (ysize < xsize) /* a < 1 */
+ {
+ float a = (float)ysize / (float)xsize;
+
+ for (i = 0; i <= xsize; i++)
{
- y = (int)(a * x + 0.5) * (to_y < from_y ? -1 : +1);
+ int x = dx * i;
+ int y = dy * (int)(a * i + 0.5);
+
DrawLineElement(from_x + x, from_y + y, element, change_level);
}
}
else /* a >= 1 */
{
- float a = (float)len_x / (float)len_y;
-
- if (from_y > to_y)
- swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
+ float a = (float)xsize / (float)ysize;
- for (y = 0; y <= len_y; y++)
+ for (i = 0; i <= ysize; i++)
{
- x = (int)(a * y + 0.5) * (to_x < from_x ? -1 : +1);
+ int x = dx * (int)(a * i + 0.5);
+ int y = dy * i;
+
DrawLineElement(from_x + x, from_y + y, element, change_level);
}
}
for (y = 0; y < brush_height; y++)
{
- for (x=0; x < brush_width; x++)
+ for (x = 0; x < brush_width; x++)
{
brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
actual_drawing_function = GADGET_ID_PICK_ELEMENT;
}
+ if (GetKeyModState() & KMOD_Shift)
+ {
+ if (button_press_event || button_release_event)
+ ResetIntelliDraw();
+ }
+
switch (actual_drawing_function)
{
case GADGET_ID_SINGLE_ITEMS:
if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
!inside_drawing_area)
DeleteBrushFromCursor();
+
+#if 0
+ ResetIntelliDraw();
+#endif
}
- if (!button)
+ if (!button || button_release_event)
break;
if (draw_with_brush)
{
+#if 0
if (!button_release_event)
+#endif
CopyBrushToLevel(sx, sy, button);
}
+#if 1
+ else
+#else
else if (new_element != Feld[lx][ly])
+#endif
{
if (new_element == EL_PLAYER_1)
{
{
if (Feld[x][y] == EL_PLAYER_1)
{
+#if 1
+ SetElement(x, y, EL_EMPTY);
+#else
Feld[x][y] = EL_EMPTY;
+#if 1
+ if (IN_ED_FIELD(x - level_xpos, y - level_ypos))
+ DrawMiniElement(x - level_xpos, y - level_ypos, EL_EMPTY);
+#else
if (x - level_xpos >= 0 && x - level_xpos < ed_fieldx &&
y - level_ypos >= 0 && y - level_ypos < ed_fieldy)
- DrawMiniElement(x - level_xpos, y - level_ypos,
- EL_EMPTY);
+ DrawMiniElement(x - level_xpos, y - level_ypos, EL_EMPTY);
+#endif
+#endif
}
}
}
}
+#if 1
+ SetElement(lx, ly, new_element);
+#else
Feld[lx][ly] = new_element;
DrawMiniElement(sx, sy, new_element);
+#endif
}
}
else