Function Unit_CreateBullet

src/unit.c:1954–2034

* Create a new bullet Unit. * * @param position Where on the map this bullet Unit is created. * @param typeID The type of the new bullet Unit. * @param houseID The House of the new bullet Unit. * @param damage The hitpoints of the new bullet Unit. * @param target The target of the new bullet Unit. * @return The new created Unit, or NULL if something failed. */

 * @return The new created Unit, or NULL if something failed.
 */
Unit *Unit_CreateBullet(tile32 position, UnitType type, uint8 houseID, uint16 damage, uint16 target)
{
	const UnitInfo *ui;
	tile32 tile;

	if (!Tools_Index_IsValid(target)) return NULL;

	ui = &g_table_unitInfo[type];
	tile = Tools_Index_GetTile(target);

	switch (type) {
		case UNIT_MISSILE_HOUSE:
		case UNIT_MISSILE_ROCKET:
		case UNIT_MISSILE_TURRET:
		case UNIT_MISSILE_DEVIATOR:
		case UNIT_MISSILE_TROOPER: {
			int8 orientation;
			Unit *bullet;
			Unit *u;

			orientation = Tile_GetDirection(position, tile);

			bullet = Unit_Create(UNIT_INDEX_INVALID, type, houseID, position, orientation);
			if (bullet == NULL) return NULL;

			Voice_PlayAtTile(ui->bulletSound, position);

			bullet->targetAttack = target;
			bullet->o.hitpoints = damage;
			bullet->currentDestination = tile;

			if (ui->flags.notAccurate) {
				bullet->currentDestination = Tile_MoveByRandom(tile, (Tools_Random_256() & 0xF) != 0 ? Tile_GetDistance(position, tile) / 256 + 8 : Tools_Random_256() + 8, false);
			}

			bullet->fireDelay = ui->fireDistance & 0xFF;

			u = Tools_Index_GetUnit(target);
			if (u != NULL && g_table_unitInfo[u->o.type].movementType == MOVEMENT_WINGER) {
				bullet->fireDelay <<= 1;
			}

			if (type == UNIT_MISSILE_HOUSE || (bullet->o.seenByHouses & (1 << g_playerHouseID)) != 0) return bullet;

			Tile_RemoveFogInRadius(bullet->o.position, 2);

			return bullet;
		}

		case UNIT_BULLET:
		case UNIT_SONIC_BLAST: {
			int8 orientation;
			tile32 t;
			Unit *bullet;

			orientation = Tile_GetDirection(position, tile);

			t = Tile_MoveByDirection(Tile_MoveByDirection(position, 0, 32), orientation, 128);