//constructor
public Enemy(Texture2D texture, int health, AttackPattern ap, List <ShotPattern> sp_list, int fireCount, float fireRate)
{
m_image = texture;
m_curHealth = health;
m_points = health * 10;
m_attackPattern = ap;
m_shotPatterns = sp_list;
m_fireCount = fireCount;
m_fireRate = fireRate;
m_textureData = new Color[m_image.Width * m_image.Height];
m_image.GetData(m_textureData);
m_pos.X = m_attackPattern.m_startX;
m_pos.Y = m_attackPattern.m_startY;
m_center.X = m_pos.X + m_image.Width / 2;
m_center.Y = m_pos.Y + m_image.Height / 2;
m_exitPos = new Vector2(m_attackPattern.m_endX, m_attackPattern.m_endY);
SetFireRate();
}
//constructor
public Enemy(Texture2D texture, int health, AttackPattern ap, List<ShotPattern> sp_list, int fireCount, float fireRate)
{
m_image = texture;
m_curHealth = health;
m_points = health * 10;
m_attackPattern = ap;
m_shotPatterns = sp_list;
m_fireCount = fireCount;
m_fireRate = fireRate;
m_textureData = new Color[m_image.Width * m_image.Height];
m_image.GetData(m_textureData);
m_pos.X = m_attackPattern.m_startX;
m_pos.Y = m_attackPattern.m_startY;
m_center.X = m_pos.X + m_image.Width / 2;
m_center.Y = m_pos.Y + m_image.Height / 2;
m_exitPos = new Vector2(m_attackPattern.m_endX, m_attackPattern.m_endY);
SetFireRate();
}
private void LoadGameLevel(int level)
{
XmlDocument xml = new XmlDocument();
xml.Load("D:\\VS 2010 Projects\\Shooter\\Shooter\\ShooterContent\\Levels\\" + level.ToString() + ".xml");
XmlNode root = xml.FirstChild;
XmlNode waveNode;
XmlNode formationNode;
XmlNode enemyNode;
XmlAttributeCollection attributes;
Level = new Level(); //level contains list of waves
Wave nextWave; //wave contains list of formations
Formation nextFormation; //formation contains list of enemies
Enemy nextEnemy; //enemies will die horrible deaths
AttackPattern nextAttackPattern; //attackPattern defines enemy movement between start and end positions
ShotPattern nextShotPattern; //defines enemy bullets per shot and how those bullets move
Texture2D shotImage; //duh
float waveDuration = 0;
float formationTrigger = 0;
string attackPatternID = ""; //name identifier for AttackPattern
string shotPatternID = ""; //name identifier for ShotPattern
string enemyType = ""; //tells which texture will be drawn for enemy
string enemyShot = ""; //tells which texture will be drawn for enemy shot
float enemyHealth = 0; //duh
float startX = 0; //Start and End positions the enemy ship will use
float startY = 0;
float endX = 0;
float endY = 0;
int fireCount = 0; //number of times the enemy will fire it's shotPattern
float fireRate = 0; //how frequently the enemy will fire another shotPattern
int shotSpeed = 0; //how fast each shot will move
List<ShotPattern> shotPatterns; //list of shotPatterns that will be passed to enemy
int count = 0; //counter for adding ShotPatterns
if (root.HasChildNodes)
{
for (int i = 0; i < root.ChildNodes.Count; i++) //waves
{
waveNode = root.ChildNodes[i];
attributes = waveNode.Attributes;
waveDuration = Convert.ToSingle(attributes.GetNamedItem("d").Value);
nextWave = new Wave(waveDuration); //Create new wave
if (waveNode.HasChildNodes)
{
for (int j = 0; j < waveNode.ChildNodes.Count; j++) //formations
{
formationNode = waveNode.ChildNodes[j];
attributes = formationNode.Attributes;
formationTrigger = Convert.ToSingle(attributes.GetNamedItem("d").Value);
nextFormation = new Formation(formationTrigger);
if (formationNode.HasChildNodes)
{
for (int k = 0; k < formationNode.ChildNodes.Count; k++) //enemies
{
enemyNode = formationNode.ChildNodes[k];
attributes = enemyNode.Attributes;
enemyType = attributes.GetNamedItem("type").Value;
enemyShot = attributes.GetNamedItem("shot").Value;
try
{
enemyHealth = Convert.ToInt32(attributes.GetNamedItem("health").Value);
}
catch (FormatException e)
{
Console.WriteLine("Enemy Health: Input string is not a sequence of digits.");
}
catch (OverflowException e)
{
Console.WriteLine("Enemy Health: The number cannot fit in an Int32.");
}
try
{
startX = Convert.ToInt32(attributes.GetNamedItem("startX").Value);
}
catch (FormatException e)
{
Console.WriteLine("Enemy Starting X: Input string is not a sequence of digits.");
}
catch (OverflowException e)
{
Console.WriteLine("Enemy Starting X: The number cannot fit in an Int32.");
}
try
{
startY = Convert.ToInt32(attributes.GetNamedItem("startY").Value);
}
catch (FormatException e)
{
Console.WriteLine("Enemy Starting Y: Input string is not a sequence of digits.");
}
catch (OverflowException e)
{
Console.WriteLine("Enemy Starting Y: The number cannot fit in an Int32.");
}
try
{
endX = Convert.ToInt32(attributes.GetNamedItem("endX").Value);
}
catch (FormatException e)
{
Console.WriteLine("Enemy Starting X: Input string is not a sequence of digits.");
}
catch (OverflowException e)
{
Console.WriteLine("Enemy Starting X: The number cannot fit in an Int32.");
}
try
{
endY = Convert.ToInt32(attributes.GetNamedItem("endY").Value);
}
catch (FormatException e)
{
Console.WriteLine("Enemy Starting Y: Input string is not a sequence of digits.");
}
catch (OverflowException e)
{
Console.WriteLine("Enemy Starting Y: The number cannot fit in an Int32.");
}
try
{
shotSpeed = Convert.ToInt32(attributes.GetNamedItem("shotSpeed").Value);
}
catch (FormatException e)
{
Console.WriteLine("Enemy Shot Speed: Input string is not a sequence of digits.");
}
catch (OverflowException e)
{
Console.WriteLine("Enemy Shot Speed: The number cannot fit in an Int32.");
}
try
{
fireCount = Convert.ToInt32(attributes.GetNamedItem("fireCount").Value);
}
catch (FormatException e)
{
Console.WriteLine("Enemy Shot Freqency: Input string is not a sequence of digits.");
}
catch (OverflowException e)
{
Console.WriteLine("Enemy Shot Freqency: The number cannot fit in an Int32.");
}
try
{
fireRate = Convert.ToSingle(attributes.GetNamedItem("fireRate").Value);
}
catch (FormatException e)
{
Console.WriteLine("Enemy Shot Freqency: Input string is not a sequence of digits.");
}
catch (OverflowException e)
{
Console.WriteLine("Enemy Shot Freqency: The number cannot fit in a float.");
}
//enemy attack pattern
nextAttackPattern = new AttackPattern();
attackPatternID = attributes.GetNamedItem("ap").Value;
nextAttackPattern.SetID(attackPatternID);
nextAttackPattern.SetEndPosition(endX, endY);
nextAttackPattern.SetStartPosition(startX, startY);
if ((nextAttackPattern = PopulateAttackPattern(nextAttackPattern)) == null) //Load AttackPattern moveList
{
Console.WriteLine("Failed to load attack pattern " + attackPatternID.ToString());
}
//enemy shot pattern
shotPatternID = attributes.GetNamedItem("sp").Value;
shotPatterns = new List<ShotPattern>(); //only one shotPattern List per enemy, so new outside while loop
count = 0;
while (count < fireCount)
{
nextShotPattern = new ShotPattern(shotPatternID, shotSpeed); //we potentially want multiple ShotPattern objects per enemy, so new in while loop
shotImage = this.Content.Load<Texture2D>(enemyShot);
//Create the appropriate number of shotPatterns for the enemy
if ((nextShotPattern = PopulateShotPattern(nextShotPattern, shotImage)) == null) //populate ShotPattern's shotList
{
Console.WriteLine("Failed to load shot pattern " + shotPatternID.ToString());
}
shotPatterns.Add(nextShotPattern);
count++;
}
//ContentManager should only load textures if they aren't already cached
nextEnemy = new Enemy(this.Content.Load<Texture2D>(enemyType), Convert.ToInt32(enemyHealth), nextAttackPattern, shotPatterns, fireCount, fireRate);
LevelEnemies.Add(nextEnemy);
nextFormation.AddEnemy(nextEnemy);
}
nextWave.AddFormation(nextFormation);
}
else
{
Console.WriteLine("Empty formation found");
}
}
Level.AddWave(nextWave);
}
else
{
Console.WriteLine("Empty wave found");
}
}
}
else
{
Console.WriteLine("root node: no children found");
}
}
public AttackPattern PopulateAttackPattern(AttackPattern pattern)
{
XmlDocument xml = new XmlDocument();
xml.Load("D:\\VS 2010 Projects\\Shooter\\Shooter\\ShooterContent\\AttackPatterns\\" + pattern.m_id + ".xml");
XmlNode root = xml.FirstChild;
XmlNode child;
XmlAttributeCollection attributes;
float endX = 0;
float endY = 0;
float moveX = 0;
float moveY = 0;
float speedX = 0;
float speedY = 0;
float waitTime = 0;
float exitSpeed = 0;
if (root == null)
{
return null;
}
attributes = root.Attributes;
try
{
exitSpeed = Convert.ToInt32(attributes.GetNamedItem("exitSpeed").Value);
}
catch (FormatException e)
{
Console.WriteLine("AttackPattern exitSpeed: Input string is not a sequence of digits.");
}
catch (OverflowException e)
{
Console.WriteLine("AttackPattern exitSpeed: The number cannot fit in a float.");
}
pattern.SetExitSpeed(exitSpeed);
if (root.HasChildNodes)
{
for (int j = 0; j < root.ChildNodes.Count; j++)
{
child = root.ChildNodes[j];
attributes = child.Attributes;
try
{
moveX = Convert.ToInt32(attributes.GetNamedItem("moveX").Value);
}
catch (FormatException e)
{
Console.WriteLine("AttackPattern moveX: Input string is not a sequence of digits.");
}
catch (OverflowException e)
{
Console.WriteLine("AttackPattern moveX: The number cannot fit in a float.");
}
try
{
moveY = Convert.ToInt32(attributes.GetNamedItem("moveY").Value);
}
catch (FormatException e)
{
Console.WriteLine("AttackPattern moveY: Input string is not a sequence of digits.");
}
catch (OverflowException e)
{
Console.WriteLine("AttackPattern moveY: The number cannot fit in a float.");
}
try
{
speedX = Convert.ToInt32(attributes.GetNamedItem("speedX").Value);
}
catch (FormatException e)
{
Console.WriteLine("AttackPattern speedX: Input string is not a sequence of digits.");
}
catch (OverflowException e)
{
Console.WriteLine("AttackPattern speedX: The number cannot fit in a float.");
}
try
{
speedY = Convert.ToInt32(attributes.GetNamedItem("speedY").Value);
}
catch (FormatException e)
{
Console.WriteLine("AttackPattern speedY: Input string is not a sequence of digits.");
}
catch (OverflowException e)
{
Console.WriteLine("AttackPattern speedY: The number cannot fit in a float.");
}
try
{
waitTime = Convert.ToSingle(attributes.GetNamedItem("wait").Value);
}
catch (FormatException e)
{
Console.WriteLine("AttackPattern wait: Input string is not a sequence of digits.");
}
catch (OverflowException e)
{
Console.WriteLine("AttackPattern wait: The number cannot fit in a float.");
}
pattern.AddManuver(pattern.m_startX + moveX, pattern.m_startY + moveY, speedX, speedY, waitTime);
}
}
else
{
Console.WriteLine("AttackPattern root: could not find children");
}
return pattern;
}
public AttackPattern PopulateAttackPattern(AttackPattern pattern)
{
XmlDocument xml = new XmlDocument();
xml.Load("D:\\VS 2010 Projects\\Shooter\\Shooter\\ShooterContent\\AttackPatterns\\" + pattern.m_id + ".xml");
XmlNode root = xml.FirstChild;
XmlNode child;
XmlAttributeCollection attributes;
float endX = 0;
float endY = 0;
float moveX = 0;
float moveY = 0;
float speedX = 0;
float speedY = 0;
float waitTime = 0;
float exitSpeed = 0;
if (root == null)
{
return(null);
}
attributes = root.Attributes;
try
{
exitSpeed = Convert.ToInt32(attributes.GetNamedItem("exitSpeed").Value);
}
catch (FormatException e)
{
Console.WriteLine("AttackPattern exitSpeed: Input string is not a sequence of digits.");
}
catch (OverflowException e)
{
Console.WriteLine("AttackPattern exitSpeed: The number cannot fit in a float.");
}
pattern.SetExitSpeed(exitSpeed);
if (root.HasChildNodes)
{
for (int j = 0; j < root.ChildNodes.Count; j++)
{
child = root.ChildNodes[j];
attributes = child.Attributes;
try
{
moveX = Convert.ToInt32(attributes.GetNamedItem("moveX").Value);
}
catch (FormatException e)
{
Console.WriteLine("AttackPattern moveX: Input string is not a sequence of digits.");
}
catch (OverflowException e)
{
Console.WriteLine("AttackPattern moveX: The number cannot fit in a float.");
}
try
{
moveY = Convert.ToInt32(attributes.GetNamedItem("moveY").Value);
}
catch (FormatException e)
{
Console.WriteLine("AttackPattern moveY: Input string is not a sequence of digits.");
}
catch (OverflowException e)
{
Console.WriteLine("AttackPattern moveY: The number cannot fit in a float.");
}
try
{
speedX = Convert.ToInt32(attributes.GetNamedItem("speedX").Value);
}
catch (FormatException e)
{
Console.WriteLine("AttackPattern speedX: Input string is not a sequence of digits.");
}
catch (OverflowException e)
{
Console.WriteLine("AttackPattern speedX: The number cannot fit in a float.");
}
try
{
speedY = Convert.ToInt32(attributes.GetNamedItem("speedY").Value);
}
catch (FormatException e)
{
Console.WriteLine("AttackPattern speedY: Input string is not a sequence of digits.");
}
catch (OverflowException e)
{
Console.WriteLine("AttackPattern speedY: The number cannot fit in a float.");
}
try
{
waitTime = Convert.ToSingle(attributes.GetNamedItem("wait").Value);
}
catch (FormatException e)
{
Console.WriteLine("AttackPattern wait: Input string is not a sequence of digits.");
}
catch (OverflowException e)
{
Console.WriteLine("AttackPattern wait: The number cannot fit in a float.");
}
pattern.AddManuver(pattern.m_startX + moveX, pattern.m_startY + moveY, speedX, speedY, waitTime);
}
}
else
{
Console.WriteLine("AttackPattern root: could not find children");
}
return(pattern);
}
private void LoadGameLevel(int level)
{
XmlDocument xml = new XmlDocument();
xml.Load("D:\\VS 2010 Projects\\Shooter\\Shooter\\ShooterContent\\Levels\\" + level.ToString() + ".xml");
XmlNode root = xml.FirstChild;
XmlNode waveNode;
XmlNode formationNode;
XmlNode enemyNode;
XmlAttributeCollection attributes;
Level = new Level(); //level contains list of waves
Wave nextWave; //wave contains list of formations
Formation nextFormation; //formation contains list of enemies
Enemy nextEnemy; //enemies will die horrible deaths
AttackPattern nextAttackPattern; //attackPattern defines enemy movement between start and end positions
ShotPattern nextShotPattern; //defines enemy bullets per shot and how those bullets move
Texture2D shotImage; //duh
float waveDuration = 0;
float formationTrigger = 0;
string attackPatternID = ""; //name identifier for AttackPattern
string shotPatternID = ""; //name identifier for ShotPattern
string enemyType = ""; //tells which texture will be drawn for enemy
string enemyShot = ""; //tells which texture will be drawn for enemy shot
float enemyHealth = 0; //duh
float startX = 0; //Start and End positions the enemy ship will use
float startY = 0;
float endX = 0;
float endY = 0;
int fireCount = 0; //number of times the enemy will fire it's shotPattern
float fireRate = 0; //how frequently the enemy will fire another shotPattern
int shotSpeed = 0; //how fast each shot will move
List <ShotPattern> shotPatterns; //list of shotPatterns that will be passed to enemy
int count = 0; //counter for adding ShotPatterns
if (root.HasChildNodes)
{
for (int i = 0; i < root.ChildNodes.Count; i++) //waves
{
waveNode = root.ChildNodes[i];
attributes = waveNode.Attributes;
waveDuration = Convert.ToSingle(attributes.GetNamedItem("d").Value);
nextWave = new Wave(waveDuration); //Create new wave
if (waveNode.HasChildNodes)
{
for (int j = 0; j < waveNode.ChildNodes.Count; j++) //formations
{
formationNode = waveNode.ChildNodes[j];
attributes = formationNode.Attributes;
formationTrigger = Convert.ToSingle(attributes.GetNamedItem("d").Value);
nextFormation = new Formation(formationTrigger);
if (formationNode.HasChildNodes)
{
for (int k = 0; k < formationNode.ChildNodes.Count; k++) //enemies
{
enemyNode = formationNode.ChildNodes[k];
attributes = enemyNode.Attributes;
enemyType = attributes.GetNamedItem("type").Value;
enemyShot = attributes.GetNamedItem("shot").Value;
try
{
enemyHealth = Convert.ToInt32(attributes.GetNamedItem("health").Value);
}
catch (FormatException e)
{
Console.WriteLine("Enemy Health: Input string is not a sequence of digits.");
}
catch (OverflowException e)
{
Console.WriteLine("Enemy Health: The number cannot fit in an Int32.");
}
try
{
startX = Convert.ToInt32(attributes.GetNamedItem("startX").Value);
}
catch (FormatException e)
{
Console.WriteLine("Enemy Starting X: Input string is not a sequence of digits.");
}
catch (OverflowException e)
{
Console.WriteLine("Enemy Starting X: The number cannot fit in an Int32.");
}
try
{
startY = Convert.ToInt32(attributes.GetNamedItem("startY").Value);
}
catch (FormatException e)
{
Console.WriteLine("Enemy Starting Y: Input string is not a sequence of digits.");
}
catch (OverflowException e)
{
Console.WriteLine("Enemy Starting Y: The number cannot fit in an Int32.");
}
try
{
endX = Convert.ToInt32(attributes.GetNamedItem("endX").Value);
}
catch (FormatException e)
{
Console.WriteLine("Enemy Starting X: Input string is not a sequence of digits.");
}
catch (OverflowException e)
{
Console.WriteLine("Enemy Starting X: The number cannot fit in an Int32.");
}
try
{
endY = Convert.ToInt32(attributes.GetNamedItem("endY").Value);
}
catch (FormatException e)
{
Console.WriteLine("Enemy Starting Y: Input string is not a sequence of digits.");
}
catch (OverflowException e)
{
Console.WriteLine("Enemy Starting Y: The number cannot fit in an Int32.");
}
try
{
shotSpeed = Convert.ToInt32(attributes.GetNamedItem("shotSpeed").Value);
}
catch (FormatException e)
{
Console.WriteLine("Enemy Shot Speed: Input string is not a sequence of digits.");
}
catch (OverflowException e)
{
Console.WriteLine("Enemy Shot Speed: The number cannot fit in an Int32.");
}
try
{
fireCount = Convert.ToInt32(attributes.GetNamedItem("fireCount").Value);
}
catch (FormatException e)
{
Console.WriteLine("Enemy Shot Freqency: Input string is not a sequence of digits.");
}
catch (OverflowException e)
{
Console.WriteLine("Enemy Shot Freqency: The number cannot fit in an Int32.");
}
try
{
fireRate = Convert.ToSingle(attributes.GetNamedItem("fireRate").Value);
}
catch (FormatException e)
{
Console.WriteLine("Enemy Shot Freqency: Input string is not a sequence of digits.");
}
catch (OverflowException e)
{
Console.WriteLine("Enemy Shot Freqency: The number cannot fit in a float.");
}
//enemy attack pattern
nextAttackPattern = new AttackPattern();
attackPatternID = attributes.GetNamedItem("ap").Value;
nextAttackPattern.SetID(attackPatternID);
nextAttackPattern.SetEndPosition(endX, endY);
nextAttackPattern.SetStartPosition(startX, startY);
if ((nextAttackPattern = PopulateAttackPattern(nextAttackPattern)) == null) //Load AttackPattern moveList
{
Console.WriteLine("Failed to load attack pattern " + attackPatternID.ToString());
}
//enemy shot pattern
shotPatternID = attributes.GetNamedItem("sp").Value;
shotPatterns = new List <ShotPattern>(); //only one shotPattern List per enemy, so new outside while loop
count = 0;
while (count < fireCount)
{
nextShotPattern = new ShotPattern(shotPatternID, shotSpeed); //we potentially want multiple ShotPattern objects per enemy, so new in while loop
shotImage = this.Content.Load <Texture2D>(enemyShot);
//Create the appropriate number of shotPatterns for the enemy
if ((nextShotPattern = PopulateShotPattern(nextShotPattern, shotImage)) == null) //populate ShotPattern's shotList
{
Console.WriteLine("Failed to load shot pattern " + shotPatternID.ToString());
}
shotPatterns.Add(nextShotPattern);
count++;
}
//ContentManager should only load textures if they aren't already cached
nextEnemy = new Enemy(this.Content.Load <Texture2D>(enemyType), Convert.ToInt32(enemyHealth), nextAttackPattern, shotPatterns, fireCount, fireRate);
LevelEnemies.Add(nextEnemy);
nextFormation.AddEnemy(nextEnemy);
}
nextWave.AddFormation(nextFormation);
}
else
{
Console.WriteLine("Empty formation found");
}
}
Level.AddWave(nextWave);
}
else
{
Console.WriteLine("Empty wave found");
}
}
}
else
{
Console.WriteLine("root node: no children found");
}
}
