Method setPosition

game/state/tilemap/tileobject_battleunit.cpp:232–326

}

void TileObjectBattleUnit::setPosition(Vec3<float> newPosition)
{
	auto u = getUnit();

	// Set appropriate bounds for the unit
	auto size = std::max(u->agent->type->bodyType->size[u->current_body_state][u->facing],
	                     u->agent->type->bodyType->size[u->target_body_state][u->facing]);
	auto maxHeight = std::max(u->agent->type->bodyType->height[u->current_body_state],
	                          u->agent->type->bodyType->height[u->target_body_state]);
	setBounds({size.x, size.y, (float)maxHeight / 40.0f});

	if (u->isLarge())
	{
		centerOffset = {0.0f, 0.0f, 1.0f};
	}
	else // if small
	{
		if (u->current_body_state == BodyState::Prone || u->target_body_state == BodyState::Prone)
		{
			centerOffset = {-u->facing.x * bounds.x / 4.0f, -u->facing.y * bounds.y / 4.0f, 0.5f};
		}
		else
		{
			centerOffset = {0.0f, 0.0f, 0.5f};
		}
	}

	occupiedTiles.clear();

	TileObject::setPosition(newPosition);
	for (auto &t : intersectingTiles)
	{
		t->updateBattlescapeUnitPresent();
	}

	auto pos = owningTile->position;

	// Vanilla allowed units to "pop into" other units without any limit
	// That is, unit can stand on height 38 while another unit is hovering in the tile above,
	// and cause no problems whatsoever, even though they're almost fully inside each other
	// (their positions only differ by 1 pixel)
	// We could introduce an option to disallow this?
	// Right now, here goes vanilla behavior
	if (u->current_movement_state == MovementState::Brainsuck)
	{
		// Sucking headcrab occupies nothing
	}
	else if (u->isLarge())
	{
		// Large units occupy 2x2x2 box, where position is the point
		// with max x, max y and min z
		// Also the same but on destination
		occupiedTiles.insert(pos);
		occupiedTiles.insert({pos.x - 1, pos.y, pos.z});
		occupiedTiles.insert({pos.x, pos.y - 1, pos.z});
		occupiedTiles.insert({pos.x - 1, pos.y - 1, pos.z});
		occupiedTiles.insert({pos.x, pos.y, pos.z + 1});
		occupiedTiles.insert({pos.x - 1, pos.y, pos.z + 1});