/// <summary>
/// Attempts to fulfill the requirements to complete an orbital logistics transfer.
/// </summary>
/// <param name="vessel"></param>
/// <param name="resourceUnits">The amount of the transport resource required for the transfer.</param>
/// <returns><c>true</c> if the requirements were met, <c>false</c> otherwise.</returns>
public static bool DeductTransportCost(this Vessel vessel, double resourceUnits)
{
if (!vessel.CanAffordTransport(resourceUnits))
{
return(false);
}
// Deduct resource units from vessel
PartResourceDefinition transportCredits = PartResourceLibrary.Instance.GetDefinition("TransportCredits");
vessel.ExchangeResources(transportCredits.id, -resourceUnits);
return(true);
}
/// <summary>
/// Called by <see cref="MonoBehaviour"/>.OnGUI to render the UI.
/// </summary>
/// <param name="windowId"></param>
protected override void DrawWindowContents(int windowId)
{
// Origin vessel section header
GUILayout.BeginHorizontal();
GUILayout.Label("Origin", UIHelper.labelStyle, GUILayout.Width(80));
GUILayout.Label(_module.vessel.vesselName, UIHelper.whiteLabelStyle);
GUILayout.EndHorizontal(); // origin vessel section
// Destination vessel selection section
GUILayout.BeginHorizontal();
GUILayout.Label("Destination", UIHelper.labelStyle, GUILayout.Width(80));
// Display Previous button for destination vessel selection
if (GUILayout.Button(UIHelper.leftArrowSymbol, UIHelper.buttonStyle, GUILayout.Width(30), GUILayout.Height(20)))
{
UpdateDestinationVessel(GetPreviousVesselIndex(_destinationVesselIndex));
_destinationVesselComboBox.SelectedItemIndex = _destinationVesselIndex;
}
// Display combo box for destination vessel selection
_destinationVesselComboBox.Show();
// Display Next button destination vessel selection
if (GUILayout.Button(UIHelper.rightArrowSymbol, UIHelper.buttonStyle, GUILayout.Width(30), GUILayout.Height(20)))
{
UpdateDestinationVessel(GetNextVesselIndex(_destinationVesselIndex));
_destinationVesselComboBox.SelectedItemIndex = _destinationVesselIndex;
}
GUILayout.EndHorizontal(); // destination selection section
// Create some visual separation between sections
GUILayout.Label(string.Empty);
// Only allow transfers between different vessels
if (_originVesselIndex != _destinationVesselIndex)
{
// Display transferable resources
_availableResourceScrollViewPosition = GUILayout.BeginScrollView(_availableResourceScrollViewPosition, GUILayout.MinHeight(130));
// Calculate and display available amount for transferrable resources
if (_originVessel != null && _destinationVessel != null)
{
string content;
double available;
// Table header
GUILayout.BeginHorizontal();
GUILayout.Label(string.Empty, UIHelper.labelStyle, GUILayout.Width(22));
GUILayout.Label(" Resource", UIHelper.whiteLabelStyle, GUILayout.Width(165));
GUILayout.Label("Available", UIHelper.whiteLabelStyle, GUILayout.MinWidth(150));
GUILayout.EndHorizontal();
// Table rows
foreach (var resource in _originVesselResources)
{
// Only display resources the origin and destination vessels have in common
if (_transferrableResources.Contains(resource.ResourceDefinition))
{
// String-ify the amount available for transfer
available = resource.GetAvailableAmount();
content = available.ToString("F0");
content += " / ";
content += resource.GetCapacity().ToString("F0");
// Display the table row
GUILayout.BeginHorizontal();
if (GUILayout.Button(UIHelper.downArrowSymbol, UIHelper.buttonStyle, GUILayout.Width(22), GUILayout.Height(22)))
{
_selectedResource = resource.ResourceDefinition;
}
GUILayout.Label(" " + resource.Name, UIHelper.yellowLabelStyle, GUILayout.Width(165));
GUILayout.Label(content, UIHelper.yellowLabelStyle, GUILayout.MinWidth(150));
GUILayout.EndHorizontal();
}
}
}
GUILayout.EndScrollView(); // transferable resources list
if (_selectedResource != null)
{
// Calculate origin/destination resource amounts
var originResource = _originVesselResources
.Where(r => r.ResourceDefinition == _selectedResource)
.Single();
var destinationResource = _destinationVesselResources
.Where(r => r.ResourceDefinition == _selectedResource)
.Single();
double sourceAvailabe = originResource.GetAvailableAmount();
double destinationAvailable = destinationResource.GetAvailableAmount();
double destinationCapacity = destinationResource.GetCapacity();
// Show section for selected resource details and to input transfer amount
GUILayout.BeginHorizontal();
// Show section for resource details
GUILayout.BeginVertical();
// Show selected resource
GUILayout.BeginHorizontal();
GUILayout.Label("Resource:", UIHelper.whiteLabelStyle, GUILayout.Width(80));
GUILayout.Label(_selectedResource.name, UIHelper.yellowLabelStyle, GUILayout.Width(120));
GUILayout.EndHorizontal();
// Show origin amount
GUILayout.BeginHorizontal();
GUILayout.Label("Origin:", UIHelper.whiteLabelStyle, GUILayout.Width(80));
GUILayout.Label(sourceAvailabe.ToString("F1"), UIHelper.yellowLabelStyle, GUILayout.Width(120));
GUILayout.EndHorizontal();
// Show destination amount and capacity
GUILayout.BeginHorizontal();
GUILayout.Label("Destination:", UIHelper.whiteLabelStyle, GUILayout.Width(80));
GUILayout.Label(
string.Format("{0:F1} / {1:F0}", destinationAvailable, destinationCapacity),
UIHelper.yellowLabelStyle,
GUILayout.Width(120)
);
GUILayout.EndHorizontal();
GUILayout.EndVertical(); // resource details section
// Show section for transfer amount
GUILayout.BeginVertical();
// Show transfer amount header
GUILayout.Label("Transfer Amount", UIHelper.centerAlignLabelStyle, GUILayout.Width(165));
// Show fill button and text input box
GUILayout.BeginHorizontal();
if (GUILayout.Button("Fill", UIHelper.buttonStyle, GUILayout.Width(65), GUILayout.Height(25)))
{
// Determine the amount needed fill the destination vessel with the selected resource
double difference = destinationCapacity - destinationAvailable;
if (difference > 0)
{
if (difference > sourceAvailabe)
{
difference = sourceAvailabe;
}
_transferAmountText = difference.ToString("F2");
}
}
_transferAmountText = GUILayout.TextField(
_transferAmountText, 10, UIHelper.textFieldStyle,
GUILayout.Width(95), GUILayout.Height(25)
);
GUILayout.EndHorizontal();
if (GUILayout.Button("Add to Transfer", UIHelper.buttonStyle, GUILayout.Width(165)))
{
// Parse the transfer amount
double amount = 0;
if (double.TryParse(_transferAmountText, out amount))
{
if (amount > 0)
{
_transfer.AddResource(originResource, amount);
_transferAmountText = string.Empty;
// Check if adding this transfer amount exceeds the current payload capacity
_errorMessageText = !_originVessel.CanAffordTransport(_transfer.CalculateFuelUnits())
? INSUFFICIENT_FUNDS_MESSAGE
: string.Empty;
}
}
}
GUILayout.EndVertical(); // transfer amount section
GUILayout.EndHorizontal(); // resource details and transfer amount section
}
// Create some visual separation between sections
GUILayout.Label(string.Empty);
// Display transfer stats
if (_transfer != null && _transfer.ResourceRequests.Count > 0)
{
double totalMass = _transfer.TotalMass();
float totalCost = _transfer.CalculateFuelUnits();
_transferResourceScrollViewPosition = GUILayout.BeginScrollView(_transferResourceScrollViewPosition, GUILayout.MinHeight(130));
// Transfer list header
GUILayout.BeginHorizontal();
GUILayout.Label(string.Empty, UIHelper.labelStyle, GUILayout.Width(22));
GUILayout.Label(" Resource", UIHelper.whiteLabelStyle, GUILayout.MinWidth(155));
GUILayout.Label("Quantity", UIHelper.whiteLabelStyle, GUILayout.Width(80));
GUILayout.Label("Cost", UIHelper.whiteLabelStyle, GUILayout.Width(80));
GUILayout.EndHorizontal();
// Transfer list items
foreach (var item in _transfer.ResourceRequests.ToArray())
{
GUILayout.BeginHorizontal();
if (GUILayout.Button(UIHelper.deleteSymbol, UIHelper.buttonStyle, GUILayout.Width(22), GUILayout.Height(22)))
{
_transfer.ResourceRequests.Remove(item);
// Check if removing this resource put the transfer back within payload capacity limits
if (_originVessel.CanAffordTransport(_transfer.CalculateFuelUnits()))
{
_errorMessageText = string.Empty;
}
}
GUILayout.Label(" " + item.ResourceDefinition.name, UIHelper.yellowLabelStyle, GUILayout.MinWidth(155));
GUILayout.Label(item.TransferAmount.ToString("F2"), UIHelper.yellowLabelStyle, GUILayout.Width(80));
GUILayout.Label((totalCost * item.Mass() / totalMass).ToString("F2"), UIHelper.yellowLabelStyle, GUILayout.Width(80));
GUILayout.EndHorizontal();
}
GUILayout.EndScrollView();
GUILayout.BeginHorizontal();
GUILayout.Label("Total Mass:", UIHelper.whiteLabelStyle, GUILayout.Width(90));
GUILayout.Label(totalMass.ToString("F2"), UIHelper.yellowLabelStyle, GUILayout.Width(150));
GUILayout.EndHorizontal();
GUILayout.BeginHorizontal();
var costLabelStyle = _originVessel.CanAffordTransport(totalCost)
? UIHelper.yellowLabelStyle
: UIHelper.redLabelStyle;
GUILayout.Label("Total Cost:", UIHelper.whiteLabelStyle, GUILayout.Width(90));
GUILayout.Label(
string.Format("{0:F2} / {1:F0}", totalCost, _originVessel.GetTransportCapacity()),
costLabelStyle, GUILayout.Width(150)
);
GUILayout.EndHorizontal();
GUILayout.BeginHorizontal();
GUILayout.Label("Transit Time:", UIHelper.whiteLabelStyle, GUILayout.Width(90));
GUILayout.Label(
Utilities.SecondsToKerbinTime(_transfer.Duration),
UIHelper.yellowLabelStyle, GUILayout.Width(150)
);
GUILayout.EndHorizontal();
GUILayout.Label(_errorMessageText, UIHelper.redLabelStyle);
}
}
// Origin and destination vessel are the same, so...
else
{
// Display a message if there is only one vessel in the current SoI that is eligible for OrbLog
if (_orbLogVesselsInSoI < 2)
{
GUILayout.Label(TOO_FEW_VESSELS_MESSAGE, UIHelper.yellowLabelStyle);
}
}
// Display Start and Cancel buttons
GUILayout.BeginHorizontal();
GUILayout.Label(string.Empty, UIHelper.labelStyle, GUILayout.Width(80));
if (_transfer == null || _transfer.ResourceRequests.Count < 1 || !_originVessel.CanAffordTransport(_transfer.CalculateFuelUnits()))
{
// Transfer isn't possible right now, so add a blank label in order to "center" the Cancel button
GUILayout.Label(string.Empty, GUILayout.Width(60));
}
else
{
if (GUILayout.Button("Start Transfer", UIHelper.buttonStyle, GUILayout.Width(110)))
{
if (GameSettings.VERBOSE_DEBUG_LOG)
{
Debug.Log("[MKS] OrbitalLogisiticsTransferCreateView.DrawWindowContents: Start Transfer button pressed.");
}
_errorMessageText = string.Empty;
if (_transfer.Launch(_scenario.PendingTransfers, out _errorMessageText))
{
ResetAndClose();
}
}
}
if (GUILayout.Button("Cancel", UIHelper.buttonStyle, GUILayout.Width(100)))
{
ResetAndClose();
}
GUILayout.EndHorizontal();
// Display the contents of the combo boxes
_destinationVesselComboBox.ShowRest();
}