public Unit(KDefenseTower game, Crossroad spawn, Vector2 offset, Vector2 movement, float speed, int tier,
Texture2D textureLiving, Texture2D textureDead, int value, int maxHP)
{
destination = spawn; // sets the unit's first destination
position = spawn.Position + offset; // set the unit's first position
scale = 0.2f;
this.game = game;
this.offset = offset;
this.movement = movement;
this.speed = speed;
dSpeed = speed;
this.tier = tier;
this.textureLiving = textureLiving;
this.textureDead = textureDead;
this.value = value;
currentTexture = textureLiving;
tint = Color.White;
health = maxHP;
maxHealth = maxHP;
armor = 0;
}
// Old constructor using a vector
public Crossroad(Vector2 crossroadPosition, int width, int height, Crossroad[] connections, int tier)
{
area.X = (int)crossroadPosition.X;
area.Y = (int)crossroadPosition.Y;
area.Width = width;
area.Height = height;
this.connections = connections;
this.tier = tier;
}
public FastUnit(KDefenseTower game, Crossroad spawn, Vector2 offset, Vector2 movement, float speed, int tier,
Texture2D textureLiving, Texture2D textureDead, int value, int maxHP)
: base(game, spawn, offset, movement, speed,
tier, textureLiving, textureDead, value, maxHP)
{
tint = Color.Yellow;
dSpeed *= 1.5f;
this.speed = dSpeed;
this.value = value;
}
public RegenUnit(KDefenseTower game, Crossroad spawn, Vector2 offset, Vector2 movement, float speed, int tier,
Texture2D textureLiving, Texture2D textureDead, int value, int maxHP)
: base(game, spawn, offset, movement, speed,
tier, textureLiving, textureDead, value, maxHP)
{
tint = Color.Green;
regenAmount = (int)(maxHealth * 0.1f);
this.speed = dSpeed;
this.value = value;
}
protected float shieldTimer = 0; // shield timer
#endregion Fields
#region Constructors
public StrongUnit(KDefenseTower game, Crossroad spawn, Vector2 offset, Vector2 movement, float speed, int tier,
Texture2D textureLiving, Texture2D textureDead, int value, int maxHP)
: base(game, spawn, offset, movement, speed,
tier, textureLiving, textureDead, value, maxHP)
{
tint = Color.CornflowerBlue;
DSpeed *= 0.7f;
this.speed = DSpeed;
this.value = value;
maxHealth *= 2;
health = maxHealth;
}
int unitType; // type of unit to create
#endregion Fields
#region Constructors
public Wave(KDefenseTower game, int unitType, Crossroad spawn, int numUnits, int tileSize, float interval)
{
thisWave = game.status.Wave;
spawningPoint = spawn;
this.game = game;
this.tile = tileSize;
this.unitType = unitType;
toCreate = numUnits;
this.interval = interval;
CalculateMaxOffsets();
}
public AggressiveUnit(KDefenseTower game, Crossroad spawn, Vector2 offset, Vector2 movement, float speed, int tier,
Texture2D textureLiving, Texture2D textureDead, int value, int maxHP, World world,int damage, int range,
float attackRate)
: base(game, spawn, offset, movement, speed, tier, textureLiving, textureDead, value, maxHP)
{
this.tint = Color.Yellow;
this.dSpeed *= 1.5f;
this.speed = dSpeed;
this.value = 2;
this.world = world;
this.damage = damage;
this.range = range;
this.attackRate = attackRate;
this.attackTimer = 0.0f;
}
public FlyingUnit(KDefenseTower game, Crossroad spawn, Vector2 offset, Vector2 movement, float speed, int tier,
Texture2D textureLiving, Texture2D textureDead, int value, int maxHP, World world)
: base(game, spawn, offset, movement, speed,
tier, textureLiving, textureDead, value, maxHP)
{
tint = Color.Yellow;
dSpeed *= 1.5f;
this.speed = dSpeed;
this.value = 2;
destination = world.Base.Crossroad;
movement = new Vector2(0, 0);
Vector2 toMove;
float divisor;
toMove = destination.Position - position;
divisor = Math.Max(Math.Abs(toMove.X), Math.Abs(toMove.Y));
movement = (toMove / divisor); // adjust movement vector
tier = destination.tier; // set the unit's tier to its destination's tier
}
public Base(World world, Crossroad lc)
{
this.area = lc.Area;
this.world = world;
this.last = lc;
}
private Random rand = new Random(); // for returning a random connected crossroad
#endregion Fields
#region Constructors
// New constructor
public Crossroad(Rectangle area, Crossroad[] connections, int tier)
{
this.area = area;
this.connections = connections;
this.tier = tier;
}
// Changes the unit's movement depending on its destination
protected virtual void ChangeMovement()
{
// ask the current destination where to go next, and make it the new destination
destination = destination.RandomConnection;
// Stop moving if the unit doesn't have a new destination (the new one is null)
if (destination == null)
movement = new Vector2(0, 0);
else
{
// Otherwise, adjust unit's movement
movement = destination.Position + offset - position; // get total displacement
toMove = movement.Length(); // store the length of the displacement
movement.Normalize(); // normalize the movement into a unit vector
tier = destination.tier; // set the unit's tier to its destination's tier
}
}
// Loads the crossroads and then starts building paths
private void SetupMap()
{
int mapWidth = 2048;
int mapHeight = 2048;
#region Siege Final Version Map
Crossroad x1 = new Crossroad(new Rectangle(0, 0, tile, tile), null, 1);
Crossroad x2 = new Crossroad(new Rectangle(200, 200, tile, tile), null, 1);
Crossroad x3 = new Crossroad(new Rectangle(520, 280, tile, tile), null, 1);
Crossroad x4 = new Crossroad(new Rectangle(540,80, tile, tile), null, 1);
Crossroad x5 = new Crossroad(new Rectangle(960, 40, tile, tile), null, 1);
Crossroad x6 = new Crossroad(new Rectangle(1000, 200, tile, tile), null, 1);
Crossroad x7 = new Crossroad(new Rectangle(900, 300, tile, tile), null, 1);
Crossroad x8 = new Crossroad(new Rectangle(860, 520, tile, tile), null, 1);
Crossroad x9 = new Crossroad(new Rectangle(1200, 620, tile, tile), null, 1);
Crossroad x10 = new Crossroad(new Rectangle(1400, 500, tile, tile), null, 1);
Crossroad x11 = new Crossroad(new Rectangle(1720, 320, tile, tile), null, 1);
Crossroad x12 = new Crossroad(new Rectangle(1880, 380, tile, tile), null, 1);
Crossroad x13 = new Crossroad(new Rectangle(1940, 520, tile, tile), null, 1);
Crossroad x14 = new Crossroad(new Rectangle(1780, 600, tile, tile), null, 1);
Crossroad x15 = new Crossroad(new Rectangle(1580, 780, tile, tile), null, 1);
Crossroad x16 = new Crossroad(new Rectangle(1800, 880, tile, tile), null, 1);
Crossroad x17 = new Crossroad(new Rectangle(1880, 1160, tile, tile), null, 1);
Crossroad x18 = new Crossroad(new Rectangle(1600, 1200, tile, tile), null, 1);
Crossroad x19 = new Crossroad(new Rectangle(1740, 1420, tile, tile), null, 1);
Crossroad x20 = new Crossroad(new Rectangle(1460, 1560, tile, tile), null, 1);
Crossroad x21 = new Crossroad(new Rectangle(1180, 1560, tile, tile), null, 1);
Crossroad x22 = new Crossroad(new Rectangle(1000, 1800, tile, tile), null, 1);
Crossroad x23 = new Crossroad(new Rectangle(720, 1940, tile, tile), null, 1);
Crossroad x24 = new Crossroad(new Rectangle(600, 1760, tile, tile), null, 1);
Crossroad x25 = new Crossroad(new Rectangle(720, 1580, tile, tile), null, 1);
Crossroad x26 = new Crossroad(new Rectangle(600, 1400, tile, tile), null, 1);
Crossroad x27 = new Crossroad(new Rectangle(420, 1560, tile, tile), null, 1);
Crossroad x28 = new Crossroad(new Rectangle(340, 1660, tile, tile), null, 1);
Crossroad x29 = new Crossroad(new Rectangle(80, 1560, tile, tile), null, 1);
Crossroad x30 = new Crossroad(new Rectangle(200, 1280, tile, tile), null, 1);
Crossroad x31 = new Crossroad(new Rectangle(400, 1220, tile, tile), null, 1);
Crossroad x32 = new Crossroad(new Rectangle(360, 840, tile, tile), null, 1);
Crossroad x33 = new Crossroad(new Rectangle(60, 780, tile, tile), null, 1);
Crossroad x34 = new Crossroad(new Rectangle(280, 460, tile, tile), null, 1);
Crossroad end = new Crossroad(new Rectangle(1800, 1800, tile, tile), null, 1);
crossroads = new Crossroad[] { x2,x3,x4,x5,x6,x7,x8,x9,x10,x11,x12,x13,x14,x15,x16,x17,x18,x19,x20
,x21,x22,x23,x24,x25,x26,x27,x28,x29,x30,x31,x32,x33,x34,end};
spawns = new Crossroad[] { x1 };
#region connections
x1.connections = new Crossroad[] { x2 };
x2.connections = new Crossroad[] { x3, x34 };
x3.connections = new Crossroad[] { x4 };
x4.connections = new Crossroad[] { x5 };
x5.connections = new Crossroad[] { x6 };
x6.connections = new Crossroad[] { x7 };
x7.connections = new Crossroad[] { x8 };
x8.connections = new Crossroad[] { x9 };
x9.connections = new Crossroad[] { x10 };
x10.connections = new Crossroad[] { x11 };
x11.connections = new Crossroad[] { x12 };
x12.connections = new Crossroad[] { x13 };
x13.connections = new Crossroad[] { x14 };
x14.connections = new Crossroad[] { x15 };
x15.connections = new Crossroad[] { x16 };
x16.connections = new Crossroad[] { x17 };
x17.connections = new Crossroad[] { x18 };
x18.connections = new Crossroad[] { x19 };
x19.connections = new Crossroad[] { x20 };
x20.connections = new Crossroad[] { end };
x34.connections = new Crossroad[] { x33 };
x33.connections = new Crossroad[] { x32 };
x32.connections = new Crossroad[] { x31 };
x31.connections = new Crossroad[] { x30 };
x30.connections = new Crossroad[] { x29 };
x29.connections = new Crossroad[] { x28 };
x28.connections = new Crossroad[] { x27 };
x27.connections = new Crossroad[] { x26 };
x26.connections = new Crossroad[] { x25 };
x25.connections = new Crossroad[] { x24 };
x24.connections = new Crossroad[] { x23 };
x23.connections = new Crossroad[] { x22 };
x22.connections = new Crossroad[] { x21 };
x21.connections = new Crossroad[] { x20 };
foreach (Crossroad c in crossroads)
{
if (c.connections == null)
c.connections = new Crossroad[] { };
}
#endregion
#endregion
theBase = new Base(this, x1);
mapRatio = new Vector2((float)ColorKey.Width / mapWidth, (float)ColorKey.Height / mapHeight);
// Calculate and store paths
paths = new Path[CalculateNumPaths(spawns) + CalculateNumPaths(crossroads)];
CalculatePaths(crossroads); // builds and stores all crossroad connections in paths
CalculatePaths(spawns); // builds and stores all spawn connections in paths
// Setup map bounds
map = new Rectangle(0, 0, mapWidth, mapHeight);
baseArea = new Rectangle(end.X - 30+tile/2, end.Y - 30+tile/2, 60, 60);
}
// Calculate paths between crossroads and store them into the paths array (one time)
private void CalculatePaths(Crossroad[] sourceXRS)
{
Vector2 origin; // a path rectangle's origin for drawing
Vector2 target; // a path rectangle's ending point for drawing
Vector2 difference; // difference between target and origin in x,y values
Crossroad[] targetXRS; // array of connected crossroads coming from a source crossroad
float angle; // angle between source and target
int height; // height of the path's rectangle
int distance; // the distance between source and target
int quadrant; // the region of the coordinate system the path is in
int filledPaths = 0; // the index of the paths array
float lBound = 0, rBound = 0, tBound1 = 0, bBound1 = 0, vHeight = 0; // boundaries for the path
// Gets the first unfilled spot in the paths array as the index for adding paths
for (int i = 0; i < paths.Length; i++)
{
if (paths[i] == null)
{
filledPaths = i; // set the index to start adding paths to the first empty spot
i = paths.Length; // stop searching
}
}
// For every source crossroad...
for (int i = 0; i < sourceXRS.Length; i++)
{
// Find all crossroads connected to this source crossroad
targetXRS = sourceXRS[i].connections;
// Calculate the path for each of these connected crossroads
for (int j = 0; j < sourceXRS[i].connections.Length; j++)
{
origin = sourceXRS[i].Position;
target = targetXRS[j].Position;
difference = target - origin;
// Calculate the angle
if (target.X < origin.X)
{
angle = (float)(Math.Atan(difference.Y / difference.X) + Math.PI);
}
else
{
angle = (float)(Math.Atan(difference.Y / difference.X));
}
// Height of the path rectangle adjusted by the angle
height = (int)(tile + (tile / Math.Sin(Math.PI / 4) - tile) * Math.Abs(Math.Sin(angle * 2)));
vHeight = 0;
// Distance between target and origin
distance = (int)Math.Sqrt(Math.Pow((double)(target.X - origin.X), 2) +
Math.Pow((double)(target.Y - origin.Y), 2));
// Determine the quadrant the path's angle is in and shift the
// path's origin to the corner of a tile that is appropriate
if (difference.X > 0 && difference.Y < 0) // quadrant 1
{
// origin is top-left corner of a tile (default)
lBound = origin.X;
rBound = target.X + tile;
bBound1 = origin.Y + tile;
tBound1 = target.Y;
vHeight = (float)(height / Math.Sin(MathHelper.PiOver2 - angle));
quadrant = 1;
}
else if (difference.X < 0 && difference.Y < 0) // quadrant 2
{
// origin is bottom left corner (shift down)
origin.Y += tile;
target.Y += tile;
lBound = target.X;
rBound = origin.X + tile;
tBound1 = target.Y - tile;
bBound1 = origin.Y;
vHeight = (float)(height / Math.Sin(MathHelper.PiOver2 - angle));
quadrant = 2;
}
else if (difference.X < 0 && difference.Y > 0) // quadrant 3
{
// origin is bottom right corner (shift right & down)
origin.Y += tile;
origin.X += tile;
target.Y += tile;
target.X += tile;
lBound = target.X - tile;
rBound = origin.X;
tBound1 = origin.Y - tile;
bBound1 = target.Y;
vHeight = (float)(height / Math.Sin(angle));
quadrant = 3;
}
else if (difference.X > 0 && difference.Y > 0) // quadrant 4
{
// origin is top right corner (shift to the right)
origin.X += tile;
target.X += tile;
lBound = origin.X - tile;
rBound = target.X;
bBound1 = target.Y + tile;
tBound1 = origin.Y;
vHeight = (float)(height / Math.Sin(angle));
quadrant = 4;
}
else if (difference.X == 0 && difference.Y < 0) // y-axis upper
{
origin.Y += tile;
target.Y += tile;
lBound = origin.X;
rBound = origin.X + tile;
bBound1 = origin.Y;
tBound1 = target.Y - tile;
quadrant = 5;
}
else if (difference.X < 0 && difference.Y == 0) // x-axis left
{
origin.X += tile;
origin.Y += tile;
target.X += tile;
target.Y += tile;
lBound = target.X - tile;
rBound = origin.X;
bBound1 = origin.Y;
tBound1 = target.Y - tile;
quadrant = 6;
}
else if (difference.X == 0 && difference.Y > 0) // y-axis lower
{
origin.X += tile;
target.X += tile;
lBound = origin.X - tile;
rBound = origin.X;
bBound1 = target.Y + tile;
tBound1 = origin.Y;
quadrant = 7;
}
else // x-axis right
{
lBound = origin.X;
rBound = target.X + tile;
bBound1 = origin.Y + tile;
tBound1 = origin.Y;
quadrant = 8;
}
// Finally, add this path to the paths array
paths[filledPaths] = new Path((int)origin.X, (int)origin.Y, distance, height,
angle, quadrant, lBound, rBound, bBound1, tBound1, vHeight, tile);
filledPaths++;
}
}
}
// Finds the number of paths for a set of crossroads
private int CalculateNumPaths(Crossroad[] anyXRS)
{
int paths = 0;
for (int i = 0; i < anyXRS.Length; i++)
{
for (int j = 0; j < anyXRS[i].connections.Length; j++)
{
paths++;
}
}
return paths;
}