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)
return EL_EMPTY;
}
-static int getPoolFromOpenDirection2(int direction, int help_element)
+static int getPoolFromOpenDirectionExt(int direction, int help_element)
{
int element = getPoolFromOpenDirection(direction);
int help_direction = getOpenDirectionFromPool(help_element);
static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
{
- int element_new = getPoolFromOpenDirection2(direction, 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 getClosedBelt(int x, int y)
{
- static int xy[2][2] =
+ 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_new = MV_NONE;
int i;
- for (i = 0; i < 2; i++)
+ for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
{
int xx = x + xy[i][0];
int yy = y + xy[i][1];
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[x][y] = element;
- IntelliDrawBuffer[x][y] = element;
+ if (IN_ED_FIELD(sx, sy))
+ DrawMiniElement(sx, sy, element);
+}
+
+static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
+ int x2, int y2, int *element2,
+ int (*close_function)(int, int),
+ boolean change_level)
+{
+ /* 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);
- if (IN_ED_FIELD(x - level_xpos, y - level_ypos))
- DrawMiniElement(x - level_xpos, y - level_ypos, element);
+ /* 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] =
+ {
+ { -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 (IS_TUBE(new_element))
{
- 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;
new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
+#if 1
+ if (last_element_new != EL_UNDEFINED)
+ MergeAndCloseNeighbourElements(x, y, &new_element,
+ last_x, last_y, &last_element_new,
+ getClosedTube, change_level);
+#else
/* reduce connections of neighbour tube elements to minimal connections */
if (last_element_new != EL_UNDEFINED)
{
SetElementSimple(x, y, new_element, change_level);
SetElementSimple(last_x, last_y, last_element_new, change_level);
}
+#endif
}
- else if (IS_ACID_POOL_OR_ACID(new_element))
+ 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 1
- static int xy[4][2] =
+ if (last_element_new != EL_UNDEFINED)
+ MergeAndCloseNeighbourElements(x, y, &new_element,
+ last_x, last_y, &last_element_new,
+ getClosedBelt, change_level);
+#else
+ /* reduce connections of neighbour belt elements to minimal connections */
+ if (last_element_new != EL_UNDEFINED)
{
- { -1, 0 },
- { +1, 0 },
- { 0, -1 },
- { 0, +1 }
- };
+ /* 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);
+ }
+#endif
+ }
+ else if (IS_ACID_POOL_OR_ACID(new_element))
+ {
int last_element_new = EL_UNDEFINED;
int direction = MV_NONE;
int i;
new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
#endif
+#if 1
+ if (last_element_new != EL_UNDEFINED)
+ MergeAndCloseNeighbourElements(x, y, &new_element,
+ last_x, last_y, &last_element_new,
+ getClosedPool, change_level);
+#else
/* reduce connections of neighbour pool elements to minimal connections */
if (last_element_new != EL_UNDEFINED)
{
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 (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);
#endif
}
- else if (IS_BELT(new_element))
+ 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);
- 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]))
+ for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
{
- int belt_nr = getBeltNrFromBeltElement(new_element);
- int belt_middle = getBeltElementFromBeltNrAndBeltDir(belt_nr, MV_NONE);
+ 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;
- new_element = belt_middle;
- last_element_new = belt_middle;
+ last_element_new = getPillarFromOpenDirection(last_direction_new);
+
+ direction |= dir;
+ }
}
- /* reduce connections of neighbour belt elements to minimal connections */
+ new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
+
+#if 1
+ if (last_element_new != EL_UNDEFINED)
+ MergeAndCloseNeighbourElements(x, y, &new_element,
+ last_x, last_y, &last_element_new,
+ getClosedPillar, change_level);
+#else
+ /* reduce connections of neighbour pillar elements to minimal connections */
if (last_element_new != EL_UNDEFINED)
{
- /* set neighbour belt elements to newly determined belt connections */
+ /* set neighbour pillar elements to newly determined pillar 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);
+ /* remove all open pillar connections of neighbour pillar elements */
+ new_element = getClosedPillar(x, y);
+ last_element_new = getClosedPillar(last_x, last_y);
- /* set neighbour belt elements to new, minimized belt connections */
+ /* set neighbour pillar elements to new, minimized pillar 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);
+#endif
}
else if (IS_BELT_SWITCH(old_element))
{
static void SetElementExt(int x, int y, int element, boolean change_level)
{
if (element < 0)
- {
- element = IntelliDrawBuffer[x][y] = Feld[x][y];
- SetElementSimple(x, y, element, change_level);
-
- return;
- }
-
- if (GetKeyModState() & KMOD_Shift)
+ 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 DrawLineElement(int sx, int sy, int element, boolean change_level)
{
-#if 1
int lx = sx + level_xpos;
int ly = sy + level_ypos;
SetElementExt(lx, ly, element, change_level);
-
-#else
-
- int lx = sx + level_xpos;
- int ly = sy + level_ypos;
- int element_new = (element < 0 ? Feld[lx][ly] : element);
-
- DrawMiniElement(sx, sy, element_new);
-
- if (change_level)
- Feld[lx][ly] = element;
-#endif
}
-#if 1
-
static void DrawLine(int from_x, int from_y, int to_x, int to_y,
int element, boolean 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);
+ 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 */
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)
-{
- if (from_y == to_y) /* horizontal line */
- {
- int x;
- int y = from_y;
-
- if (from_x > to_x)
- swap_numbers(&from_x, &to_x);
-
- for (x = from_x; x <= to_x; x++)
- DrawLineElement(x, y, element, change_level);
- }
- else if (from_x == to_x) /* vertical line */
- {
- int x = from_x;
- int y;
-
- if (from_y > to_y)
- swap_numbers(&from_y, &to_y);
-
- for (y = from_y; y <= to_y; y++)
- DrawLineElement(x, y, element, change_level);
- }
- else /* diagonal line */
- {
- int len_x = ABS(to_x - from_x);
- int len_y = ABS(to_y - from_y);
- int x, y;
-
- if (len_y < len_x) /* a < 1 */
- {
- float a = (float)len_y / (float)len_x;
-
- if (from_x > to_x)
- swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
-
- for (x = 0; x <= len_x; x++)
- {
- y = (int)(a * x + 0.5) * (to_y < from_y ? -1 : +1);
- DrawLineElement(from_x + x, from_y + y, element, change_level);
- }
- }
- else /* a >= 1 */
- {
- float a = (float)len_x / (float)len_y;
+ int x = dx * (int)(a * i + 0.5);
+ int y = dy * i;
- if (from_y > to_y)
- swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
-
- for (y = 0; y <= len_y; y++)
- {
- x = (int)(a * y + 0.5) * (to_x < from_x ? -1 : +1);
DrawLineElement(from_x + x, from_y + y, element, change_level);
}
}
}
}
-#endif
-
static void DrawBox(int from_x, int from_y, int to_x, int to_y,
int element, boolean change_level)
{
projects / rocksndiamonds.git / blobdiff