InitGameModeMusicInfo(); /* game mode music mapping */
}
-static int get_special_property_bit(int element, int base_property_bit)
+static int get_special_property_bit(int element, int property_bit_nr)
{
- static struct
+ struct PropertyBitInfo
{
int element;
int bit_nr;
- } pb_can_move_into_acid[] =
- {
- /* all element that can move */
- { EL_BUG, 0 },
- { EL_BUG_LEFT, 0 },
- { EL_BUG_RIGHT, 0 },
- { EL_BUG_UP, 0 },
- { EL_BUG_DOWN, 0 },
- { EL_SPACESHIP, 0 },
- { EL_SPACESHIP_LEFT, 0 },
- { EL_SPACESHIP_RIGHT, 0 },
- { EL_SPACESHIP_UP, 0 },
- { EL_SPACESHIP_DOWN, 0 },
- { EL_BD_BUTTERFLY, 1 },
- { EL_BD_BUTTERFLY_LEFT, 1 },
- { EL_BD_BUTTERFLY_RIGHT, 1 },
- { EL_BD_BUTTERFLY_UP, 1 },
- { EL_BD_BUTTERFLY_DOWN, 1 },
- { EL_BD_FIREFLY, 1 },
- { EL_BD_FIREFLY_LEFT, 1 },
- { EL_BD_FIREFLY_RIGHT, 1 },
- { EL_BD_FIREFLY_UP, 1 },
- { EL_BD_FIREFLY_DOWN, 1 },
- { EL_YAMYAM, 2 },
- { EL_DARK_YAMYAM, 2 },
- { EL_ROBOT, 3 },
- { EL_PACMAN, 4 },
- { EL_PACMAN_LEFT, 4 },
- { EL_PACMAN_RIGHT, 4 },
- { EL_PACMAN_UP, 4 },
- { EL_PACMAN_DOWN, 4 },
- { EL_MOLE, 4 },
- { EL_MOLE_LEFT, 4 },
- { EL_MOLE_RIGHT, 4 },
- { EL_MOLE_UP, 4 },
- { EL_MOLE_DOWN, 4 },
- { EL_PENGUIN, 5 },
- { EL_PIG, 6 },
- { EL_DRAGON, 6 },
- { EL_SATELLITE, 7 },
- { EL_SP_SNIKSNAK, 8 },
- { EL_SP_ELECTRON, 8 },
- { EL_BALLOON, 9 },
- { EL_SPRING, 10 },
+ };
+
+ static struct PropertyBitInfo pb_can_move_into_acid[] =
+ {
+ /* the player may be able fall into acid when gravity is activated */
+ { EL_PLAYER_1, 0 },
+ { EL_PLAYER_2, 0 },
+ { EL_PLAYER_3, 0 },
+ { EL_PLAYER_4, 0 },
+ { EL_SP_MURPHY, 0 },
+
+ /* all element that can move may be able to also move into acid */
+ { EL_BUG, 1 },
+ { EL_BUG_LEFT, 1 },
+ { EL_BUG_RIGHT, 1 },
+ { EL_BUG_UP, 1 },
+ { EL_BUG_DOWN, 1 },
+ { EL_SPACESHIP, 2 },
+ { EL_SPACESHIP_LEFT, 2 },
+ { EL_SPACESHIP_RIGHT, 2 },
+ { EL_SPACESHIP_UP, 2 },
+ { EL_SPACESHIP_DOWN, 2 },
+ { EL_BD_BUTTERFLY, 3 },
+ { EL_BD_BUTTERFLY_LEFT, 3 },
+ { EL_BD_BUTTERFLY_RIGHT, 3 },
+ { EL_BD_BUTTERFLY_UP, 3 },
+ { EL_BD_BUTTERFLY_DOWN, 3 },
+ { EL_BD_FIREFLY, 4 },
+ { EL_BD_FIREFLY_LEFT, 4 },
+ { EL_BD_FIREFLY_RIGHT, 4 },
+ { EL_BD_FIREFLY_UP, 4 },
+ { EL_BD_FIREFLY_DOWN, 4 },
+ { EL_YAMYAM, 5 },
+ { EL_DARK_YAMYAM, 6 },
+ { EL_ROBOT, 7 },
+ { EL_PACMAN, 8 },
+ { EL_PACMAN_LEFT, 8 },
+ { EL_PACMAN_RIGHT, 8 },
+ { EL_PACMAN_UP, 8 },
+ { EL_PACMAN_DOWN, 8 },
+ { EL_MOLE, 9 },
+ { EL_MOLE_LEFT, 9 },
+ { EL_MOLE_RIGHT, 9 },
+ { EL_MOLE_UP, 9 },
+ { EL_MOLE_DOWN, 9 },
+ { EL_PENGUIN, 10 },
+ { EL_PIG, 11 },
+ { EL_DRAGON, 12 },
+ { EL_SATELLITE, 13 },
+ { EL_SP_SNIKSNAK, 14 },
+ { EL_SP_ELECTRON, 15 },
+ { EL_BALLOON, 16 },
+ { EL_SPRING, 17 },
{ -1, -1 },
};
+
+ static struct PropertyBitInfo pb_dont_collide_with[] =
+ {
+ { EL_SP_SNIKSNAK, 0 },
+ { EL_SP_ELECTRON, 1 },
+
+ { -1, -1 },
+ };
+
+ static struct
+ {
+ int bit_nr;
+ struct PropertyBitInfo *pb_info;
+ } pb_definition[] =
+ {
+ { EP_CAN_MOVE_INTO_ACID, pb_can_move_into_acid },
+ { EP_DONT_COLLIDE_WITH, pb_dont_collide_with },
+
+ { -1, NULL },
+ };
+
+ struct PropertyBitInfo *pb_info = NULL;
int i;
- if (base_property_bit != EP_CAN_MOVE_INTO_ACID)
+ for (i = 0; pb_definition[i].bit_nr != -1; i++)
+ if (pb_definition[i].bit_nr == property_bit_nr)
+ pb_info = pb_definition[i].pb_info;
+
+ if (pb_info == NULL)
return -1;
- for (i = 0; pb_can_move_into_acid[i].element != -1; i++)
- if (pb_can_move_into_acid[i].element == element)
- return pb_can_move_into_acid[i].bit_nr;
+ for (i = 0; pb_info[i].element != -1; i++)
+ if (pb_info[i].element == element)
+ return pb_info[i].bit_nr;
return -1;
}
+#if 1
+void setBitfieldProperty(int *bitfield, int property_bit_nr, int element,
+ boolean property_value)
+{
+ int bit_nr = get_special_property_bit(element, property_bit_nr);
+
+ if (bit_nr > -1)
+ {
+ if (property_value)
+ *bitfield |= (1 << bit_nr);
+ else
+ *bitfield &= ~(1 << bit_nr);
+ }
+}
+
+boolean getBitfieldProperty(int *bitfield, int property_bit_nr, int element)
+{
+ int bit_nr = get_special_property_bit(element, property_bit_nr);
+
+ if (bit_nr > -1)
+ return ((*bitfield & (1 << bit_nr)) != 0);
+
+ return FALSE;
+}
+
+#else
+
void setMoveIntoAcidProperty(struct LevelInfo *level, int element, boolean set)
{
int bit_nr = get_special_property_bit(element, EP_CAN_MOVE_INTO_ACID);
return FALSE;
}
+#endif
void InitElementPropertiesStatic()
{
SET_PROPERTY(i, EP_COULD_MOVE_INTO_ACID, (CAN_MOVE(i) ||
IS_CUSTOM_ELEMENT(i)));
+ /* ---------- MAYBE_DONT_COLLIDE_WITH ---------------------------------- */
+ SET_PROPERTY(i, EP_MAYBE_DONT_COLLIDE_WITH, (i == EL_SP_SNIKSNAK ||
+ i == EL_SP_ELECTRON));
+
/* ---------- CAN_MOVE_INTO_ACID --------------------------------------- */
- if (!IS_CUSTOM_ELEMENT(i))
- SET_PROPERTY(i, EP_CAN_MOVE_INTO_ACID,getMoveIntoAcidProperty(&level,i));
+ if (COULD_MOVE_INTO_ACID(i) && !IS_CUSTOM_ELEMENT(i))
+ SET_PROPERTY(i, EP_CAN_MOVE_INTO_ACID,
+ getMoveIntoAcidProperty(&level, i));
+
+ /* ---------- DONT_COLLIDE_WITH ---------------------------------------- */
+ if (MAYBE_DONT_COLLIDE_WITH(i))
+ SET_PROPERTY(i, EP_DONT_COLLIDE_WITH,
+ getDontCollideWithProperty(&level, i));
/* ---------- SP_PORT -------------------------------------------------- */
SET_PROPERTY(i, EP_SP_PORT, (IS_SP_ELEMENT(i) &&
}
/* set some other uninitialized values of custom elements in older levels */
- if (engine_version < VERSION_IDENT(3,0,9,0))
+ if (engine_version < VERSION_IDENT(3,1,0,0))
{
for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
{
}
}
+#if 0
/* set element properties that were handled incorrectly in older levels */
- if (engine_version < VERSION_IDENT(3,0,9,0))
+ if (engine_version < VERSION_IDENT(3,1,0,0))
{
SET_PROPERTY(EL_SP_SNIKSNAK, EP_DONT_COLLIDE_WITH, FALSE);
SET_PROPERTY(EL_SP_ELECTRON, EP_DONT_COLLIDE_WITH, FALSE);
}
+#endif
+
#endif
/* this is needed because some graphics depend on element properties */