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Lesson 16.3 - Functions to use weapons and potions
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using System; | |
using System.Collections.Generic; | |
using System.ComponentModel; | |
using System.Data; | |
using System.Drawing; | |
using System.Linq; | |
using System.Text; | |
using System.Threading.Tasks; | |
using System.Windows.Forms; | |
using Engine; | |
namespace SuperAdventure | |
{ | |
public partial class SuperAdventure : Form | |
{ | |
private Player _player; | |
private Monster _currentMonster; | |
public SuperAdventure() | |
{ | |
InitializeComponent(); | |
_player = new Player(10, 10, 20, 0, 1); | |
MoveTo(World.LocationByID(World.LOCATION_ID_HOME)); | |
_player.Inventory.Add(new InventoryItem(World.ItemByID(World.ITEM_ID_RUSTY_SWORD), 1)); | |
lblHitPoints.Text = _player.CurrentHitPoints.ToString(); | |
lblGold.Text = _player.Gold.ToString(); | |
lblExperience.Text = _player.ExperiencePoints.ToString(); | |
lblLevel.Text = _player.Level.ToString(); | |
} | |
private void btnNorth_Click(object sender, EventArgs e) | |
{ | |
MoveTo(_player.CurrentLocation.LocationToNorth); | |
} | |
private void btnEast_Click(object sender, EventArgs e) | |
{ | |
MoveTo(_player.CurrentLocation.LocationToEast); | |
} | |
private void btnSouth_Click(object sender, EventArgs e) | |
{ | |
MoveTo(_player.CurrentLocation.LocationToSouth); | |
} | |
private void btnWest_Click(object sender, EventArgs e) | |
{ | |
MoveTo(_player.CurrentLocation.LocationToWest); | |
} | |
private void MoveTo(Location newLocation) | |
{ | |
//Does the location have any required items | |
if(!_player.HasRequiredItemToEnterThisLocation(newLocation)) | |
{ | |
rtbMessages.Text += "You must have a " + newLocation.ItemRequiredToEnter.Name + " to enter this location." + Environment.NewLine; | |
return; | |
} | |
// Update the player's current location | |
_player.CurrentLocation = newLocation; | |
// Show/hide available movement buttons | |
btnNorth.Visible = (newLocation.LocationToNorth != null); | |
btnEast.Visible = (newLocation.LocationToEast != null); | |
btnSouth.Visible = (newLocation.LocationToSouth != null); | |
btnWest.Visible = (newLocation.LocationToWest != null); | |
// Display current location name and description | |
rtbLocation.Text = newLocation.Name + Environment.NewLine; | |
rtbLocation.Text += newLocation.Description + Environment.NewLine; | |
// Completely heal the player | |
_player.CurrentHitPoints = _player.MaximumHitPoints; | |
// Update Hit Points in UI | |
lblHitPoints.Text = _player.CurrentHitPoints.ToString(); | |
// Does the location have a quest? | |
if(newLocation.QuestAvailableHere != null) | |
{ | |
// See if the player already has the quest, and if they've completed it | |
bool playerAlreadyHasQuest = _player.HasThisQuest(newLocation.QuestAvailableHere); | |
bool playerAlreadyCompletedQuest = _player.CompletedThisQuest(newLocation.QuestAvailableHere); | |
// See if the player already has the quest | |
if(playerAlreadyHasQuest) | |
{ | |
// If the player has not completed the quest yet | |
if(!playerAlreadyCompletedQuest) | |
{ | |
// See if the player has all the items needed to complete the quest | |
bool playerHasAllItemsToCompleteQuest = _player.HasAllQuestCompletionItems(newLocation.QuestAvailableHere); | |
// The player has all items required to complete the quest | |
if(playerHasAllItemsToCompleteQuest) | |
{ | |
// Display message | |
rtbMessages.Text += Environment.NewLine; | |
rtbMessages.Text += "You complete the '" + newLocation.QuestAvailableHere.Name + "' quest." + Environment.NewLine; | |
// Remove quest items from inventory | |
_player.RemoveQuestCompletionItems(newLocation.QuestAvailableHere); | |
// Give quest rewards | |
rtbMessages.Text += "You receive: " + Environment.NewLine; | |
rtbMessages.Text += newLocation.QuestAvailableHere.RewardExperiencePoints.ToString() + " experience points" + Environment.NewLine; | |
rtbMessages.Text += newLocation.QuestAvailableHere.RewardGold.ToString() + " gold" + Environment.NewLine; | |
rtbMessages.Text += newLocation.QuestAvailableHere.RewardItem.Name + Environment.NewLine; | |
rtbMessages.Text += Environment.NewLine; | |
_player.ExperiencePoints += newLocation.QuestAvailableHere.RewardExperiencePoints; | |
_player.Gold += newLocation.QuestAvailableHere.RewardGold; | |
// Add the reward item to the player's inventory | |
_player.AddItemToInventory(newLocation.QuestAvailableHere.RewardItem); | |
// Mark the quest as completed | |
_player.MarkQuestCompleted(newLocation.QuestAvailableHere); | |
} | |
} | |
} | |
else | |
{ | |
// The player does not already have the quest | |
// Display the messages | |
rtbMessages.Text += "You receive the " + newLocation.QuestAvailableHere.Name + " quest." + Environment.NewLine; | |
rtbMessages.Text += newLocation.QuestAvailableHere.Description + Environment.NewLine; | |
rtbMessages.Text += "To complete it, return with:" + Environment.NewLine; | |
foreach(QuestCompletionItem qci in newLocation.QuestAvailableHere.QuestCompletionItems) | |
{ | |
if(qci.Quantity == 1) | |
{ | |
rtbMessages.Text += qci.Quantity.ToString() + " " + qci.Details.Name + Environment.NewLine; | |
} | |
else | |
{ | |
rtbMessages.Text += qci.Quantity.ToString() + " " + qci.Details.NamePlural + Environment.NewLine; | |
} | |
} | |
rtbMessages.Text += Environment.NewLine; | |
// Add the quest to the player's quest list | |
_player.Quests.Add(new PlayerQuest(newLocation.QuestAvailableHere)); | |
} | |
} | |
// Does the location have a monster? | |
if(newLocation.MonsterLivingHere != null) | |
{ | |
rtbMessages.Text += "You see a " + newLocation.MonsterLivingHere.Name + Environment.NewLine; | |
// Make a new monster, using the values from the standard monster in the World.Monster list | |
Monster standardMonster = World.MonsterByID(newLocation.MonsterLivingHere.ID); | |
_currentMonster = new Monster(standardMonster.ID, standardMonster.Name, standardMonster.MaximumDamage, | |
standardMonster.RewardExperiencePoints, standardMonster.RewardGold, standardMonster.CurrentHitPoints, standardMonster.MaximumHitPoints); | |
foreach(LootItem lootItem in standardMonster.LootTable) | |
{ | |
_currentMonster.LootTable.Add(lootItem); | |
} | |
cboWeapons.Visible = true; | |
cboPotions.Visible = true; | |
btnUseWeapon.Visible = true; | |
btnUsePotion.Visible = true; | |
} | |
else | |
{ | |
_currentMonster = null; | |
cboWeapons.Visible = false; | |
cboPotions.Visible = false; | |
btnUseWeapon.Visible = false; | |
btnUsePotion.Visible = false; | |
} | |
// Refresh player's inventory list | |
UpdateInventoryListInUI(); | |
// Refresh player's quest list | |
UpdateQuestListInUI(); | |
// Refresh player's weapons combobox | |
UpdateWeaponListInUI(); | |
// Refresh player's potions combobox | |
UpdatePotionListInUI(); | |
} | |
private void UpdateInventoryListInUI() | |
{ | |
dgvInventory.RowHeadersVisible = false; | |
dgvInventory.ColumnCount = 2; | |
dgvInventory.Columns[0].Name = "Name"; | |
dgvInventory.Columns[0].Width = 197; | |
dgvInventory.Columns[1].Name = "Quantity"; | |
dgvInventory.Rows.Clear(); | |
foreach(InventoryItem inventoryItem in _player.Inventory) | |
{ | |
if(inventoryItem.Quantity > 0) | |
{ | |
dgvInventory.Rows.Add(new[] { inventoryItem.Details.Name, inventoryItem.Quantity.ToString() }); | |
} | |
} | |
} | |
private void UpdateQuestListInUI() | |
{ | |
dgvQuests.RowHeadersVisible = false; | |
dgvQuests.ColumnCount = 2; | |
dgvQuests.Columns[0].Name = "Name"; | |
dgvQuests.Columns[0].Width = 197; | |
dgvQuests.Columns[1].Name = "Done?"; | |
dgvQuests.Rows.Clear(); | |
foreach(PlayerQuest playerQuest in _player.Quests) | |
{ | |
dgvQuests.Rows.Add(new[] { playerQuest.Details.Name, playerQuest.IsCompleted.ToString() }); | |
} | |
} | |
private void UpdateWeaponListInUI() | |
{ | |
List<Weapon> weapons = new List<Weapon>(); | |
foreach(InventoryItem inventoryItem in _player.Inventory) | |
{ | |
if(inventoryItem.Details is Weapon) | |
{ | |
if(inventoryItem.Quantity > 0) | |
{ | |
weapons.Add((Weapon)inventoryItem.Details); | |
} | |
} | |
} | |
if(weapons.Count == 0) | |
{ | |
// The player doesn't have any weapons, so hide the weapon combobox and "Use" button | |
cboWeapons.Visible = false; | |
btnUseWeapon.Visible = false; | |
} | |
else | |
{ | |
cboWeapons.DataSource = weapons; | |
cboWeapons.DisplayMember = "Name"; | |
cboWeapons.ValueMember = "ID"; | |
cboWeapons.SelectedIndex = 0; | |
} | |
} | |
private void UpdatePotionListInUI() | |
{ | |
List<HealingPotion> healingPotions = new List<HealingPotion>(); | |
foreach(InventoryItem inventoryItem in _player.Inventory) | |
{ | |
if(inventoryItem.Details is HealingPotion) | |
{ | |
if(inventoryItem.Quantity > 0) | |
{ | |
healingPotions.Add((HealingPotion)inventoryItem.Details); | |
} | |
} | |
} | |
if(healingPotions.Count == 0) | |
{ | |
// The player doesn't have any potions, so hide the potion combobox and "Use" button | |
cboPotions.Visible = false; | |
btnUsePotion.Visible = false; | |
} | |
else | |
{ | |
cboPotions.DataSource = healingPotions; | |
cboPotions.DisplayMember = "Name"; | |
cboPotions.ValueMember = "ID"; | |
cboPotions.SelectedIndex = 0; | |
} | |
} | |
private void btnUseWeapon_Click(object sender, EventArgs e) | |
{ | |
// Get the currently selected weapon from the cboWeapons ComboBox | |
Weapon currentWeapon = (Weapon)cboWeapons.SelectedItem; | |
// Determine the amount of damage to do to the monster | |
int damageToMonster = RandomNumberGenerator.NumberBetween(currentWeapon.MinimumDamage, currentWeapon.MaximumDamage); | |
// Apply the damage to the monster's CurrentHitPoints | |
_currentMonster.CurrentHitPoints -= damageToMonster; | |
// Display message | |
rtbMessages.Text += "You hit the " + _currentMonster.Name + " for " + damageToMonster.ToString() + " points." + Environment.NewLine; | |
// Check if the monster is dead | |
if(_currentMonster.CurrentHitPoints <= 0) | |
{ | |
// Monster is dead | |
rtbMessages.Text += Environment.NewLine; | |
rtbMessages.Text += "You defeated the " + _currentMonster.Name + Environment.NewLine; | |
// Give player experience points for killing the monster | |
_player.ExperiencePoints += _currentMonster.RewardExperiencePoints; | |
rtbMessages.Text += "You receive " + _currentMonster.RewardExperiencePoints.ToString() + " experience points" + Environment.NewLine; | |
// Give player gold for killing the monster | |
_player.Gold += _currentMonster.RewardGold; | |
rtbMessages.Text += "You receive " + _currentMonster.RewardGold.ToString() + " gold" + Environment.NewLine; | |
// Get random loot items from the monster | |
List<InventoryItem> lootedItems = new List<InventoryItem>(); | |
// Add items to the lootedItems list, comparing a random number to the drop percentage | |
foreach(LootItem lootItem in _currentMonster.LootTable) | |
{ | |
if(RandomNumberGenerator.NumberBetween(1, 100) <= lootItem.DropPercentage) | |
{ | |
lootedItems.Add(new InventoryItem(lootItem.Details, 1)); | |
} | |
} | |
// If no items were randomly selected, then add the default loot item(s). | |
if(lootedItems.Count == 0) | |
{ | |
foreach(LootItem lootItem in _currentMonster.LootTable) | |
{ | |
if(lootItem.IsDefaultItem) | |
{ | |
lootedItems.Add(new InventoryItem(lootItem.Details, 1)); | |
} | |
} | |
} | |
// Add the looted items to the player's inventory | |
foreach(InventoryItem inventoryItem in lootedItems) | |
{ | |
_player.AddItemToInventory(inventoryItem.Details); | |
if(inventoryItem.Quantity == 1) | |
{ | |
rtbMessages.Text += "You loot " + inventoryItem.Quantity.ToString() + " " + inventoryItem.Details.Name +Environment.NewLine; | |
} | |
else | |
{ | |
rtbMessages.Text += "You loot " + inventoryItem.Quantity.ToString() + " " + inventoryItem.Details.NamePlural + Environment.NewLine; | |
} | |
} | |
// Refresh player information and inventory controls | |
lblHitPoints.Text = _player.CurrentHitPoints.ToString(); | |
lblGold.Text = _player.Gold.ToString(); | |
lblExperience.Text = _player.ExperiencePoints.ToString(); | |
lblLevel.Text = _player.Level.ToString(); | |
UpdateInventoryListInUI(); | |
UpdateWeaponListInUI(); | |
UpdatePotionListInUI(); | |
// Add a blank line to the messages box, just for appearance. | |
rtbMessages.Text += Environment.NewLine; | |
// Move player to current location (to heal player and create a new monster to fight) | |
MoveTo(_player.CurrentLocation); | |
} | |
else | |
{ | |
// Monster is still alive | |
// Determine the amount of damage the monster does to the player | |
int damageToPlayer = RandomNumberGenerator.NumberBetween(0, _currentMonster.MaximumDamage); | |
// Display message | |
rtbMessages.Text += "The " + _currentMonster.Name + " did " + damageToPlayer.ToString() + " points of damage." + Environment.NewLine; | |
// Subtract damage from player | |
_player.CurrentHitPoints -= damageToPlayer; | |
// Refresh player data in UI | |
lblHitPoints.Text = _player.CurrentHitPoints.ToString(); | |
if(_player.CurrentHitPoints <= 0) | |
{ | |
// Display message | |
rtbMessages.Text += "The " + _currentMonster.Name + " killed you." + Environment.NewLine; | |
// Move player to "Home" | |
MoveTo(World.LocationByID(World.LOCATION_ID_HOME)); | |
} | |
} | |
} | |
private void btnUsePotion_Click(object sender, EventArgs e) | |
{ | |
// Get the currently selected potion from the combobox | |
HealingPotion potion = (HealingPotion)cboPotions.SelectedItem; | |
// Add healing amount to the player's current hit points | |
_player.CurrentHitPoints = (_player.CurrentHitPoints + potion.AmountToHeal); | |
// CurrentHitPoints cannot exceed player's MaximumHitPoints | |
if(_player.CurrentHitPoints > _player.MaximumHitPoints) | |
{ | |
_player.CurrentHitPoints = _player.MaximumHitPoints; | |
} | |
// Remove the potion from the player's inventory | |
foreach(InventoryItem ii in _player.Inventory) | |
{ | |
if(ii.Details.ID == potion.ID) | |
{ | |
ii.Quantity--; | |
break; | |
} | |
} | |
// Display message | |
rtbMessages.Text += "You drink a " + potion.Name + Environment.NewLine; | |
// Monster gets their turn to attack | |
// Determine the amount of damage the monster does to the player | |
int damageToPlayer = RandomNumberGenerator.NumberBetween(0, _currentMonster.MaximumDamage); | |
// Display message | |
rtbMessages.Text += "The " + _currentMonster.Name + " did " + damageToPlayer.ToString() + " points of damage." + Environment.NewLine; | |
// Subtract damage from player | |
_player.CurrentHitPoints -= damageToPlayer; | |
if(_player.CurrentHitPoints <= 0) | |
{ | |
// Display message | |
rtbMessages.Text += "The " + _currentMonster.Name + " killed you." + Environment.NewLine; | |
// Move player to "Home" | |
MoveTo(World.LocationByID(World.LOCATION_ID_HOME)); | |
} | |
// Refresh player data in UI | |
lblHitPoints.Text = _player.CurrentHitPoints.ToString(); | |
UpdateInventoryListInUI(); | |
UpdatePotionListInUI(); | |
} | |
} | |
} |
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