internal void ProcessMovement()
{
// update robot position
PointD tOldPosition = m_tPosition;
m_tPosition += m_tMovement;
m_tMovement = PointD.Empty;
// check if we have hit a wall
bool bHitWall = false;
if (m_tPosition.X - Size.Width / 2.0 < 0)
{
m_tPosition.X = Size.Width / 2.0;
bHitWall = true;
}
else if (m_tPosition.X + Size.Width / 2.0 > m_pBattle.BattleFieldSize.Width)
{
m_tPosition.X = m_pBattle.BattleFieldSize.Width - Size.Width / 2.0;
bHitWall = true;
}
if (m_tPosition.Y - Size.Height / 2.0 < 0)
{
m_tPosition.Y = Size.Height / 2.0;
bHitWall = true;
}
else if (m_tPosition.Y + Size.Height / 2.0 > m_pBattle.BattleFieldSize.Height)
{
m_tPosition.Y = m_pBattle.BattleFieldSize.Height - Size.Height / 2.0;
bHitWall = true;
}
if (bHitWall)
{
m_pEvents.Add(new HitWallEvent());
m_dEnergy -= 3.0;
}
// rotate robot
m_nHeading += m_nRotation;
if (m_nHeading < 0)
{
m_nHeading = 360 + m_nHeading;
}
if (m_nHeading > 359)
{
m_nHeading -= 360;
}
m_nRotation = 0;
PointF tEndPoint = new PointF((float)(Position.X + Math.Sin(HeadingRadians) * BattleFieldSize.Width),
(float)(Position.Y + Math.Cos(HeadingRadians) * BattleFieldSize.Width));
// check if we can see another robot
for (int i = 0; i < m_pBattle.Robots.Length; i++)
{
Robot pRobot = m_pBattle.Robots[i];
// make sure we're not testing against ourselves
if (pRobot != this)
{
GraphicsPath pPath = new GraphicsPath();
pPath.AddLine(Position, tEndPoint);
pPath.CloseFigure();
pPath.Widen(new Pen(Color.Black, 1));
Region pRegion = new Region(pPath);
pRegion.Intersect(pRobot.Bounds);
if (!pRegion.IsEmpty(m_pGraphics))
{
// we can see this robot
PointD tDistance = pRobot.Position - Position;
double dDistance = Math.Sqrt(tDistance.X * tDistance.X + tDistance.Y * tDistance.Y);
ScannedRobotEvent pEvent = new ScannedRobotEvent(
pRobot.Name, pRobot.Energy, pRobot.Heading - Heading,
dDistance, pRobot.Heading, pRobot.Velocity);
m_pEvents.Add(pEvent);
}
}
}
// check if we have collided with another robot
for (int i = 0; i < m_pBattle.Robots.Length; i++)
{
Robot pRobot = m_pBattle.Robots[i];
// make sure we're not testing against ourselves
if (pRobot != this)
{
if (pRobot.Bounds.IntersectsWith(Bounds))
{
// send message to ourselves
bool bAtFault = true;
HitRobotEvent pEvent = new HitRobotEvent(pRobot.Name,
Math.Abs(pRobot.Heading - Heading),
pRobot.Energy, bAtFault);
m_pEvents.Add(pEvent);
m_tPosition = tOldPosition;
m_dEnergy -= 3.0;
}
}
}
}
protected override void OnPaint(PaintEventArgs e)
{
if (m_pObjects != null)
{
int nLength = m_pObjects.Length;
for (int i = 0; i < nLength; i++)
{
if (m_pObjects[i].IsAlive)
{
PointD tPositionD = m_pObjects[i].Position;
Point tPosition = new Point((int)tPositionD.X, (int)tPositionD.Y);
tPosition.Y = Height - tPosition.Y;
SizeD tSizeD = m_pObjects[i].Size;
// position labels
PointF tLabelEnergy = new PointF(tPosition.X, tPosition.Y - 35);
PointF tLabelName = new PointF(tPosition.X, tPosition.Y + 27);
if (tLabelEnergy.Y < 10)
{
tLabelEnergy.Y = 10;
}
if (tLabelName.Y > Height - 20)
{
tLabelName.Y = Height - 20;
}
// draw bullets
e.Graphics.ResetTransform();
for (int j = 0; j < m_pObjects[i].Bullets.Length; j++)
{
Bullet pBullet = m_pObjects[i].Bullets[j];
e.Graphics.FillRectangle(new SolidBrush(Color.White),
(float)pBullet.Position.X, Height - (float)pBullet.Position.Y,
5, 5);
}
// draw robot
e.Graphics.ResetTransform();
tPosition.X -= (int)(tSizeD.Width / 2.0);
tPosition.Y -= (int)(tSizeD.Height / 2.0);
Matrix tMatrix = new Matrix();
tMatrix.Translate((float)tPosition.X, (float)tPosition.Y);
PointF tRotationPoint = new PointF((float)(tSizeD.Width / 2.0f),
(float)(tSizeD.Height / 2.0f));
tMatrix.RotateAt((float)m_pObjects[i].Heading, tRotationPoint);
e.Graphics.Transform = tMatrix;
e.Graphics.DrawImage(m_pObjects[i].BaseBitmap, 0, 0, 50, 50);
tMatrix.Translate(0, 0);
e.Graphics.Transform = tMatrix;
e.Graphics.DrawImage(m_pObjects[i].GunBitmap, 0, 0, 50, 50);
// draw labels
e.Graphics.ResetTransform();
StringFormat pFormat = new StringFormat();
pFormat.Alignment = StringAlignment.Center;
e.Graphics.DrawString(m_pObjects[i].Energy.ToString(), m_pLabelFont,
new SolidBrush(Color.White), tLabelEnergy, pFormat);
e.Graphics.DrawString(m_pObjects[i].Name, m_pLabelFont,
new SolidBrush(Color.White), tLabelName, pFormat);
/*tPosition = new Point((int) tPositionD.X, (int) tPositionD.Y);
* tPosition.Y = Height - tPosition.Y;
* PointF tEndPoint = m_pObjects[i].EndPoint;
* tEndPoint.Y = Height - tEndPoint.Y;
* Color tColour = (i == 0) ? Color.Red : Color.Blue;
* Pen pPen = new Pen(tColour);
* e.Graphics.DrawLine(pPen, tPosition, tEndPoint);*/
}
}
}
}