Function Unit_EnterStructure

src/unit.c:2177–2266

* Handles what happens when the given unit enters into the given structure. * * @param unit The Unit. * @param s The Structure. */

 * @param s The Structure.
 */
void Unit_EnterStructure(Unit *unit, Structure *s)
{
	const StructureInfo *si;
	const UnitInfo *ui;

	if (unit == NULL || s == NULL) return;

	if (unit == g_unitSelected) {
		/* ENHANCEMENT -- When a Unit enters a Structure, the last tile the Unit was on becomes selected rather than the entire Structure. */
		if (g_dune2_enhanced) {
			Map_SetSelection(Tile_PackTile(s->o.position));
		} else {
			Unit_Select(NULL);
		}
	}

	ui = &g_table_unitInfo[unit->o.type];
	si = &g_table_structureInfo[s->o.type];

	if (!unit->o.flags.s.allocated || s->o.hitpoints == 0) {
		Unit_Remove(unit);
		return;
	}

	unit->o.seenByHouses |= s->o.seenByHouses;
	Unit_Hide(unit);

	if (House_AreAllied(s->o.houseID, Unit_GetHouseID(unit))) {
		Structure_SetState(s, si->o.flags.busyStateIsIncoming ? STRUCTURE_STATE_READY : STRUCTURE_STATE_BUSY);

		if (s->o.type == STRUCTURE_REPAIR) {
			uint16 countDown;

			countDown = ((ui->o.hitpoints - unit->o.hitpoints) * 256 / ui->o.hitpoints) * (ui->o.buildTime << 6) / 256;

			if (countDown > 1) {
				s->countDown = countDown;
			} else {
				s->countDown = 1;
			}
			unit->o.hitpoints = ui->o.hitpoints;
			unit->o.flags.s.isSmoking = false;
			unit->spriteOffset = 0;
		}
		unit->o.linkedID = s->o.linkedID;
		s->o.linkedID = unit->o.index & 0xFF;
		return;
	}

	if (unit->o.type == UNIT_SABOTEUR) {
		Structure_Damage(s, 500, 1);
		Unit_Remove(unit);
		return;
	}

	/* Take over the building when low on hitpoints */
	if (s->o.hitpoints < si->o.hitpoints / 4) {
		House *h;