// buy the currently selected item
void BuySelectedItem()
{
// check if the currently selected item is an element (0) or an artifact (1)
Item item = m_itemList[m_currentItemIndex];
if (item.m_type == 0)
{
// it's an element - we need to know how much
SwitchToBuyAmountState();
}
else
{
// get access to the game data
GameData gameData = DataController.m_instance.m_gameData;
// get access to the player data
PlayerData playerData = DataController.m_instance.m_playerData;
// get access to the artifact data
GD_Artifact artifactGameData = gameData.m_artifactList[item.m_id];
// it's an artifact - check if the player can afford it
if (playerData.m_bank.m_currentBalance < artifactGameData.m_starportPrice)
{
// nope - show an error message
SwitchToErrorMessageState("Insufficient funds");
Debug.Log("playerData.m_bankPlayerData.m_currentBalance = " + playerData.m_bank.m_currentBalance);
Debug.Log("artifactGameData.m_starportPrice = " + artifactGameData.m_starportPrice);
}
else if (artifactGameData.m_volume > playerData.m_playerShip.GetRemainingVolme())
{
// player's ship has no room for it - show an error message
SwitchToErrorMessageState("Insufficient cargo space");
Debug.Log("playerData.m_shipCargoPlayerData.m_volumeUsed = " + playerData.m_playerShip.m_volumeUsed);
Debug.Log("artifactGameData.m_volume = " + artifactGameData.m_volume);
Debug.Log("playerData.m_shipConfigurationPlayerData.m_volume = " + playerData.m_playerShip.m_volume);
}
else
{
// deduct the price of the artifact from the player's bank balance
playerData.m_bank.m_currentBalance -= gameData.m_artifactList[item.m_id].m_starportPrice;
// transfer the artifact from the starport to the ship
playerData.m_starport.m_artifactStorage.Remove(item.m_id);
playerData.m_playerShip.AddArtifact(item.m_id);
// update the screen
UpdateScreen();
// play a ui sound
SoundController.m_instance.PlaySound(SoundController.Sound.Update);
}
}
}
// call this whenever we change state or do something that would result in something changing on the screen
void UpdateScreen()
{
if (m_currentState == State.ErrorMessage)
{
// turn on the error message display
m_errorPanel.SetActive(true);
m_overlayPanel.SetActive(true);
// turn off the other popup panels
m_amountGameObject.SetActive(false);
m_confirmAnalyzePanel.SetActive(false);
m_analyzePanel.SetActive(false);
}
else
{
// turn off the error message display
m_errorPanel.SetActive(false);
m_overlayPanel.SetActive(false);
if (m_currentState == State.MenuBar)
{
// all we need to do in this state is hide the trade screen and show the welcome screen
m_welcomeGameObject.SetActive(true);
m_tradeGameObject.SetActive(false);
m_amountGameObject.SetActive(false);
m_confirmAnalyzePanel.SetActive(false);
m_analyzePanel.SetActive(false);
}
else
{
// hide the welcome screen and show the trade screen
m_welcomeGameObject.SetActive(false);
m_tradeGameObject.SetActive(true);
// get access to the game data
GameData gameData = DataController.m_instance.m_gameData;
// get access to the player data
PlayerData playerData = DataController.m_instance.m_playerData;
// check if we are needing the buy or sell amount
if ((m_currentState == State.BuyAmount) || (m_currentState == State.SellAmount))
{
// display the amount input
m_amountGameObject.SetActive(true);
m_overlayPanel.SetActive(true);
// get the currently selected element id
int elementId = m_itemList[m_currentItemIndex].m_id;
// figure out the maximum amount the player can buy
int maximumAmount = 0;
if (m_currentState == State.BuyAmount)
{
maximumAmount = GetMaximumBuyAmountDueToCurrentBalance(elementId);
if (maximumAmount == 0)
{
// the player is broke and cannot buy anything - so immediately block the player
m_currentState = State.BuyItem;
SwitchToErrorMessageState("Insufficient funds");
return;
}
int remainingVolume = playerData.m_playerShip.GetRemainingVolme();
if (remainingVolume == 0)
{
// the cargo hold is full and the player cannot buy anything - so immediately block the player
m_currentState = State.BuyItem;
SwitchToErrorMessageState("Insufficient cargo space");
return;
}
// the maximum amount the player can buy is the lesser of the funds remaining or the cargo hold space remaining
if (remainingVolume < maximumAmount)
{
maximumAmount = remainingVolume;
}
}
else
{
// the maximum amount is however much the player has in the ships cargo hold
PD_ElementReference elementReference = playerData.m_playerShip.m_elementStorage.Find(elementId);
maximumAmount = elementReference.m_volume;
}
// update the amount label
m_amountLabelText.text = "Transfer how many cubic meters? (0.0 to " + (maximumAmount / 10) + "." + (maximumAmount % 10) + ")";
}
else
{
// hide the amount input
m_amountGameObject.SetActive(false);
}
// check if we are confirming analysis of an artifact
if (m_currentState == State.AnalyzeConfirm)
{
// show the confirm analyze panel
m_confirmAnalyzePanel.SetActive(true);
m_overlayPanel.SetActive(true);
}
else
{
// hide the confirm analyze panel
m_confirmAnalyzePanel.SetActive(false);
}
// check if we are showing the analysis of an artifact
if (m_currentState == State.AnalyzeShow)
{
// show the analyze panel
m_analyzePanel.SetActive(true);
m_overlayPanel.SetActive(true);
}
else
{
// hide the analyze panel
m_analyzePanel.SetActive(false);
}
// reset the trade item list
m_itemList = new List <Item>();
// clear out the text
m_itemListText.text = "";
m_volumeListText.text = "";
m_unitValueListText.text = "";
m_rowCount = 0;
if ((m_currentState != State.AnalyzeItem) && (m_currentState != State.AnalyzeConfirm) && (m_currentState != State.AnalyzeShow))
{
// add elements heading
m_itemListText.text += "<color=#A35514>Elements</color>" + Environment.NewLine;
m_volumeListText.text += Environment.NewLine;
m_unitValueListText.text += Environment.NewLine;
m_rowCount++;
// get access to the ship cargo data for elements
PD_ElementStorage elementStorage = playerData.m_playerShip.m_elementStorage;
if ((m_currentState == State.BuyItem) || (m_currentState == State.BuyAmount))
{
// add all elements available to buy in starport
for (int elementId = 0; elementId < gameData.m_elementList.Length; elementId++)
{
GD_Element elementGameData = gameData.m_elementList[elementId];
if (elementGameData.m_availableInStarport)
{
m_itemListText.text += elementGameData.m_name + Environment.NewLine;
PD_ElementReference elementReference = elementStorage.Find(elementId);
if (elementReference == null)
{
m_volumeListText.text += "0.0" + Environment.NewLine;
}
else
{
m_volumeListText.text += (elementReference.m_volume / 10) + "." + (elementReference.m_volume % 10) + Environment.NewLine;
}
m_unitValueListText.text += elementGameData.m_starportPrice + Environment.NewLine;
m_itemList.Add(new Item(m_rowCount++, 0, elementId, 0));
}
}
}
else if ((m_currentState == State.SellItem) || (m_currentState == State.SellAmount))
{
// add all elements in the ship cargo hold
foreach (PD_ElementReference elementReference in elementStorage.m_elementList)
{
GD_Element elementGameData = elementReference.GetElementGameData();
m_itemListText.text += elementGameData.m_name + Environment.NewLine;
m_volumeListText.text += (elementReference.m_volume / 10) + "." + (elementReference.m_volume % 10) + Environment.NewLine;
m_unitValueListText.text += elementGameData.m_starportPrice + Environment.NewLine;
m_itemList.Add(new Item(m_rowCount++, 0, elementReference.m_elementId, 0));
}
}
}
if ((m_currentState == State.BuyItem) || (m_currentState == State.BuyAmount) || (m_currentState == State.AnalyzeItem) || (m_currentState == State.AnalyzeConfirm) || (m_currentState == State.AnalyzeShow))
{
// add artifacts heading
m_itemListText.text += "<color=#A35514>Artifacts</color>" + Environment.NewLine;
m_volumeListText.text += Environment.NewLine;
m_unitValueListText.text += Environment.NewLine;
m_rowCount++;
// get access to the starport data for artifacts
PD_ArtifactStorage artifactStorage = playerData.m_starport.m_artifactStorage;
// add all artifacts available to buy in starport
foreach (PD_ArtifactReference artifactReference in artifactStorage.m_artifactList)
{
GD_Artifact artifactGameData = artifactReference.GetArtifactGameData();
m_itemListText.text += artifactGameData.m_name + Environment.NewLine;
m_volumeListText.text += (artifactGameData.m_volume / 10) + "." + (artifactGameData.m_volume % 10) + Environment.NewLine;
m_unitValueListText.text += artifactGameData.m_starportPrice + Environment.NewLine;
m_itemList.Add(new Item(m_rowCount++, 1, artifactReference.m_artifactId, 0));
}
}
if ((m_currentState == State.SellItem) || (m_currentState == State.SellAmount) || (m_currentState == State.AnalyzeItem) || (m_currentState == State.AnalyzeConfirm) || (m_currentState == State.AnalyzeShow))
{
// add artifacts heading
m_itemListText.text += "<color=#A35514>Artifacts</color>" + Environment.NewLine;
m_volumeListText.text += Environment.NewLine;
m_unitValueListText.text += Environment.NewLine;
m_rowCount++;
// get access to the ship storage for artifacts
PD_ArtifactStorage artifactStorage = playerData.m_playerShip.m_artifactStorage;
// add all artifacts in the ship cargo hold
foreach (PD_ArtifactReference artifactReference in artifactStorage.m_artifactList)
{
GD_Artifact artifactGameData = artifactReference.GetArtifactGameData();
m_itemListText.text += artifactGameData.m_name + Environment.NewLine;
m_volumeListText.text += (artifactGameData.m_volume / 10) + "." + (artifactGameData.m_volume % 10) + Environment.NewLine;
m_unitValueListText.text += artifactGameData.m_actualValue + Environment.NewLine;
m_itemList.Add(new Item(m_rowCount++, 1, artifactReference.m_artifactId, 0));
}
}
// add end of list heading
m_itemListText.text += "<color=#A35514>End of List</color>" + Environment.NewLine;
m_volumeListText.text += Environment.NewLine;
m_unitValueListText.text += Environment.NewLine;
m_rowCount++;
// make sure we have something in the list
if (m_itemList.Count == 0)
{
// there is nothing sell or analyze - so immediately block the player
SwitchToMenuBarState();
return;
}
// keep the current selection index within bounds
if (m_currentItemIndex >= m_itemList.Count)
{
m_currentItemIndex = m_itemList.Count - 1;
}
// force the text object to update (so we can get the correct height)
m_itemListText.ForceMeshUpdate();
// force the canvas to update
Canvas.ForceUpdateCanvases();
// show the up arrow only if the first item is not selected
m_upArrowImage.gameObject.SetActive((m_currentItemIndex > 0));
// show the down arrow only if the last part is not selected
m_downArrowImage.gameObject.SetActive(m_currentItemIndex < (m_itemList.Count - 1));
// get the row number of the currently selected item
int row = m_itemList[m_currentItemIndex].m_row;
// get the height of the item list viewport
float viewportHeight = m_itemListMask.GetComponent <RectTransform>().rect.height;
// calculate height of each text row
float rowHeight = m_itemListText.renderedHeight / m_rowCount;
// figure out the offset for the selection box
float selectionBoxOffset;
while (true)
{
selectionBoxOffset = (row + m_currentRowOffset) * rowHeight;
if ((selectionBoxOffset + rowHeight * 2) >= viewportHeight)
{
m_currentRowOffset--;
}
else if (selectionBoxOffset < rowHeight)
{
m_currentRowOffset++;
}
else
{
break;
}
}
// put the item selection box in the right place
RectTransform rectTransform = m_selectionXform.GetComponent <RectTransform>();
rectTransform.offsetMin = m_baseSelectionOffsetMin + new Vector3(0.0f, -selectionBoxOffset, 0.0f);
rectTransform.offsetMax = m_baseSelectionOffsetMax + new Vector3(0.0f, -selectionBoxOffset, 0.0f);
// calculate the offset for the text
float textOffset = m_currentRowOffset * rowHeight;
// move the text in all 3 columns
m_itemListText.rectTransform.offsetMax = new Vector3(0.0f, -textOffset, 0.0f);
m_volumeListText.rectTransform.offsetMax = new Vector3(0.0f, -textOffset, 0.0f);
m_unitValueListText.rectTransform.offsetMax = new Vector3(0.0f, -textOffset, 0.0f);
// update bank balance amount
m_currentBalanceText.text = "Your account balance is: " + playerData.m_bank.m_currentBalance + " M.U.";
}
}
// enable or disable buttons now
bool enableButtons = (m_currentState == State.MenuBar);
m_buyButton.interactable = enableButtons;
m_sellButton.interactable = enableButtons;
m_analyzeButton.interactable = enableButtons;
m_exitButton.interactable = enableButtons;
}
