player->is_waiting = FALSE;
player->is_moving = FALSE;
+ player->is_auto_moving = FALSE;
player->is_digging = FALSE;
player->is_snapping = FALSE;
player->is_collecting = FALSE;
void ContinueMoving(int x, int y)
{
int element = Feld[x][y];
+ int stored = Store[x][y];
struct ElementInfo *ei = &element_info[element];
int direction = MovDir[x][y];
int dx = (direction == MV_LEFT ? -1 : direction == MV_RIGHT ? +1 : 0);
{
element = Feld[newx][newy] = EL_ACID;
}
-#if 1
+#if 0
else if (IS_CUSTOM_ELEMENT(element) && !IS_PLAYER(x, y) &&
ei->move_leave_element != EL_EMPTY &&
(ei->move_leave_type == LEAVE_TYPE_UNLIMITED ||
ResetGfxAnimation(x, y); /* reset animation values for old field */
+#if 1
+ if (IS_CUSTOM_ELEMENT(element) && !IS_PLAYER(x, y) &&
+ ei->move_leave_element != EL_EMPTY &&
+ (ei->move_leave_type == LEAVE_TYPE_UNLIMITED ||
+ stored != EL_EMPTY))
+ {
+ /* some elements can leave other elements behind after moving */
+
+ Feld[x][y] = ei->move_leave_element;
+ InitField(x, y, FALSE);
+
+ if (GFX_CRUMBLED(Feld[x][y]))
+ DrawLevelFieldCrumbledSandNeighbours(x, y);
+ }
+#endif
+
#if 0
/* some elements can leave other elements behind after moving */
if (IS_CUSTOM_ELEMENT(element) && !IS_PLAYER(x, y) &&
}
#endif
+static boolean canFallDown(struct PlayerInfo *player)
+{
+ int jx = player->jx, jy = player->jy;
+
+ return (IN_LEV_FIELD(jx, jy + 1) &&
+ (IS_FREE(jx, jy + 1) ||
+ (Feld[jx][jy + 1] == EL_ACID && player->can_fall_into_acid)) &&
+ IS_WALKABLE_FROM(Feld[jx][jy], MV_DOWN) &&
+ !IS_WALKABLE_INSIDE(Feld[jx][jy]));
+}
+
+static boolean canPassField(int x, int y, int move_dir)
+{
+ int opposite_dir = MV_DIR_OPPOSITE(move_dir);
+ int dx = (move_dir & MV_LEFT ? -1 : move_dir & MV_RIGHT ? +1 : 0);
+ int dy = (move_dir & MV_UP ? -1 : move_dir & MV_DOWN ? +1 : 0);
+ int nextx = x + dx;
+ int nexty = y + dy;
+ int element = Feld[x][y];
+
+ return (IS_PASSABLE_FROM(element, opposite_dir) &&
+ !CAN_MOVE(element) &&
+ IN_LEV_FIELD(nextx, nexty) && !IS_PLAYER(nextx, nexty) &&
+ IS_WALKABLE_FROM(Feld[nextx][nexty], move_dir) &&
+ (level.can_pass_to_walkable || IS_FREE(nextx, nexty)));
+}
+
static boolean canMoveToValidFieldWithGravity(int x, int y, int move_dir)
{
int opposite_dir = MV_DIR_OPPOSITE(move_dir);
int dy = (move_dir & MV_UP ? -1 : move_dir & MV_DOWN ? +1 : 0);
int newx = x + dx;
int newy = y + dy;
+#if 0
int nextx = newx + dx;
int nexty = newy + dy;
- boolean next_field_must_be_free = TRUE;
+#endif
+#if 1
+ return (IN_LEV_FIELD(newx, newy) && !IS_FREE_OR_PLAYER(newx, newy) &&
+ (IS_DIGGABLE(Feld[newx][newy]) ||
+ IS_WALKABLE_FROM(Feld[newx][newy], opposite_dir) ||
+ canPassField(newx, newy, move_dir)));
+#else
return (IN_LEV_FIELD(newx, newy) && !IS_FREE_OR_PLAYER(newx, newy) &&
(IS_DIGGABLE(Feld[newx][newy]) ||
IS_WALKABLE_FROM(Feld[newx][newy], opposite_dir) ||
!CAN_MOVE(Feld[newx][newy]) &&
IN_LEV_FIELD(nextx, nexty) && !IS_PLAYER(nextx, nexty) &&
IS_WALKABLE_FROM(Feld[nextx][nexty], move_dir) &&
- !(next_field_must_be_free && !IS_FREE(nextx, nexty)))));
+ (level.can_pass_to_walkable || IS_FREE(nextx, nexty)))));
+#endif
}
static void CheckGravityMovement(struct PlayerInfo *player)
int jx = player->jx, jy = player->jy;
-
boolean player_is_moving_to_valid_field =
(!player_is_snapping &&
(canMoveToValidFieldWithGravity(jx, jy, move_dir_horizontal) ||
#endif
#if 1
+
+#if 1
+ boolean player_can_fall_down = canFallDown(player);
+#else
boolean player_can_fall_down =
(IN_LEV_FIELD(jx, jy + 1) &&
(IS_FREE(jx, jy + 1) ||
(Feld[jx][jy + 1] == EL_ACID && player->can_fall_into_acid)));
+#endif
+
#else
boolean player_can_fall_down =
(IN_LEV_FIELD(jx, jy + 1) &&
);
#endif
+#if 0
boolean player_is_standing_on_valid_field =
(IS_WALKABLE_INSIDE(Feld[jx][jy]) ||
(IS_WALKABLE(Feld[jx][jy]) && !ACCESS_FROM(Feld[jx][jy], MV_DOWN)));
+#endif
#if 0
printf("::: checking gravity NOW [%d, %d, %d] [%d] [%d / %d] ...\n",
#endif
if (player_can_fall_down &&
+#if 0
!player_is_standing_on_valid_field &&
+#endif
!player_is_moving_to_valid_field)
{
#if 0
#endif
+ /* store if player is automatically moved to next field */
+ player->is_auto_moving = (player->programmed_action != MV_NO_MOVING);
+
/* remove the last programmed player action */
player->programmed_action = 0;
if (!ACCESS_FROM(element, opposite_direction))
return MF_NO_ACTION; /* field not accessible from this direction */
+#if 1
+ if (element == EL_EMPTY_SPACE &&
+ game.gravity && !player->is_auto_moving &&
+ canFallDown(player) && move_direction != MV_DOWN)
+ return MF_NO_ACTION; /* player cannot walk here due to gravity */
+#endif
+
if (element >= EL_GATE_1 && element <= EL_GATE_4)
{
if (!player->key[element - EL_GATE_1])
}
else if (IS_PASSABLE(element))
{
- boolean next_field_must_be_free = TRUE;
+#if 1
+ if (!canPassField(x, y, move_direction))
+ return MF_NO_ACTION;
+#else
#if 1
if (!IN_LEV_FIELD(nextx, nexty) || IS_PLAYER(nextx, nexty) ||
!IS_WALKABLE_FROM(Feld[nextx][nexty], move_direction) ||
- (next_field_must_be_free && !IS_FREE(nextx, nexty)))
+ (!level.can_pass_to_walkable && !IS_FREE(nextx, nexty)))
return MF_NO_ACTION;
#else
if (!IN_LEV_FIELD(nextx, nexty) || !IS_FREE(nextx, nexty))
return MF_NO_ACTION;
#endif
- if (element >= EL_EM_GATE_1 && element <= EL_EM_GATE_4)
+#endif
+
+ if (IS_EM_GATE(element))
{
if (!player->key[element - EL_EM_GATE_1])
return MF_NO_ACTION;
}
- else if (element >= EL_EM_GATE_1_GRAY && element <= EL_EM_GATE_4_GRAY)
+ else if (IS_EM_GATE_GRAY(element))
{
if (!player->key[element - EL_EM_GATE_1_GRAY])
return MF_NO_ACTION;
projects / rocksndiamonds.git / blobdiff