Function Script_Unit_Rotate

src/script/unit.c:726–759

* Rotate the unit to aim at the enemy. * * Stack: *none*. * * @param script The script engine to operate on. * @return 0 if the enemy is no longer there or if we are looking at him, 1 otherwise. */

 * @return 0 if the enemy is no longer there or if we are looking at him, 1 otherwise.
 */
uint16 Script_Unit_Rotate(ScriptEngine *script)
{
	const UnitInfo *ui;
	Unit *u;
	uint16 index;
	int8 current;
	tile32 tile;
	int8 orientation;

	VARIABLE_NOT_USED(script);

	u = g_scriptCurrentUnit;
	ui = &g_table_unitInfo[u->o.type];

	if (ui->movementType != MOVEMENT_WINGER && (u->currentDestination.x != 0 || u->currentDestination.y != 0)) return 1;

	index = ui->o.flags.hasTurret ? 1 : 0;

	/* Check if we are already rotating */
	if (u->orientation[index].speed != 0) return 1;
	current = u->orientation[index].current;

	if (!Tools_Index_IsValid(u->targetAttack)) return 0;

	/* Check where we should rotate to */
	tile = Tools_Index_GetTile(u->targetAttack);
	orientation = Tile_GetDirection(u->o.position, tile);

	/* If we aren't already looking at it, rotate */
	if (orientation == current) return 0;
	Unit_SetOrientation(u, orientation, false, index);

	return 1;
}

/**
 * Get the direction to a tile or our current direction.