internal override void Strike(Character owner, Character target)
{
// после выстрела можно запускать таймер блокировки выстрелов (реализация скорострельности)
// может быть это не тот уровень, на котором нужно учитывать скорострельность,
// может её надо учитывать на стадии "button1_Click"?
target.Health -= (byte)((owner.DamagePerSecond + base.DamagePerSecond) / base.StrikesPerSecond);
}
/// <summary>
/// Вызывается, когда игра отрисовывается.
/// </summary>
/// <param name="gameTime">Предоставляет моментальный снимок значений времени.</param>
public void Draw(GameTime gameTime, SpriteBatch spriteBatch, Character character)
{
spriteBatch.Draw(textureImage,
character.Position,
new Rectangle(currentFrame.X * frameSize.X,
currentFrame.Y * frameSize.Y,
frameSize.X, frameSize.Y),
Color.White, 0, Vector2.Zero,
1f, SpriteEffects.None, 0);
}
public void Relocate(Character character)
{
Point oldZone = GetZone(character.Position);
Point newZone = GetZone(character.MoveBehavior.NewPosition);
if (newZone.X != oldZone.X || newZone.Y != oldZone.Y)
{
Characters[oldZone.X][oldZone.Y].Remove(character);
Characters[newZone.X][newZone.Y].Add(character);
}
}
public Point GetPositionOnGrid(Character character)
{
int newZoneX = (int)Math.Floor(character.Position.X / _tileSize);
int newZoneY = (int)Math.Floor(character.Position.Y / _tileSize);
return new Point(newZoneX, newZoneY);
}
public MonsterMoveAStar(Character character, Level level, params Character[] targets)
: base(character, targets)
{
_grid = GetSimplifiedGrid(level);
_AStar = new AStar();
}
public void Fight(Character enemy)
{
Weapon.Strike(this, enemy);
}
public NetPlayer(IMessenger messenger, Character character)
{
this.Messenger = messenger;
this.Character = character;
ClientPacket.PlayerId = (byte)character.Id;
}
private bool CheckVoxel(Character shooter, float shootingTime, Vector2 direction, Point voxel)
{
bool result = false;
// проверяем попадания в объекты
// зона попадания
Rectangle hitArea = new Rectangle(voxel.X * Level.ZoneSize, voxel.Y * Level.ZoneSize, (voxel.X + 1) * Level.ZoneSize, (voxel.Y + 1) * Level.ZoneSize);
foreach (var solid in _gameState.Grid.Solids[voxel.X][voxel.Y])
{
Vector2 hitPos = GetHitPosition(direction, shooter, solid);
if (hitPos.X != -1)
{
if (hitPos.X < shooter.Position.X && hitPos.X > hitArea.X)
{
hitArea.X = (int)hitPos.X;
result = true;
}
if (hitPos.X > shooter.Position.X && hitPos.X < hitArea.Width)
{
hitArea.Width = (int)hitPos.X;
result = true;
}
if (hitPos.Y < shooter.Position.Y && hitPos.Y > hitArea.Y)
{
hitArea.Y = (int)hitPos.Y;
result = true;
}
if (hitPos.Y > shooter.Position.Y && hitPos.Y < hitArea.Height)
{
hitArea.Height = (int)hitPos.Y;
result = true;
}
}
}
// проверяем попадания в игроков
Character[] playersInVoxel = _gameState.Grid.Characters[voxel.X][voxel.Y].ToArray();
foreach (var player in playersInVoxel)
{
if (player != shooter)
{
if (((player.Position.X >= shooter.Position.X && player.Position.X <= hitArea.Width) ||
(player.Position.X <= shooter.Position.X && player.Position.X >= hitArea.X))
&&
((player.Position.Y >= shooter.Position.Y && player.Position.Y <= hitArea.Height) ||
(player.Position.Y <= shooter.Position.Y && player.Position.Y >= hitArea.Y)))
{
Vector2 hitPos = GetHitPosition(direction, shooter, player);
if (hitPos.X != -1)
{
ApplyHit(shooter, player, shootingTime);
}
}
}
}
return result;
}
public void RemoveTarget(Character target)
{
Targets.Remove(target);
}
public void AddTarget(Character target)
{
Targets.Add(target);
}
public StupidMonsterMove(Character character, params Character[] targets)
{
Character = character;
Targets = new List<Character>(targets);
}
internal abstract void Strike(Character owner, Character target);
private void DeepCorrection(Character character, Solid solid)
{
Vector2 newPos = character.MoveBehavior.NewPosition;
float charRectLeft = newPos.X - (character.CollisionOffset.X >> 1);
float charRectTop = newPos.Y - (character.CollisionOffset.Y >> 1);
float charRectRight = newPos.X + (character.CollisionOffset.X >> 1);
float charRectBottom = newPos.Y + (character.CollisionOffset.Y >> 1);
Vector2 minDelta = Vector2.Zero;
float minDeltaLength = 0;
Vector2[] axes = new Vector2[solid.Axes.Length + 2];
axes[0] = new Vector2(1, 0);
axes[1] = new Vector2(0, 1);
solid.Axes.CopyTo(axes, 2);
foreach (var axis in axes)
{
// проекция персонажа
Vector2 projBegin1;
projBegin1 = GetProjection(new Vector2(charRectLeft, charRectTop), axis);
Vector2 proj = GetProjection(new Vector2(charRectLeft, charRectBottom), axis);
if ((proj.X < projBegin1.X) || ((proj.X == projBegin1.X) && (proj.Y < projBegin1.Y)))
projBegin1 = proj;
Vector2 projEnd1;
projEnd1 = GetProjection(new Vector2(charRectRight, charRectTop), axis);
proj = GetProjection(new Vector2(charRectRight, charRectBottom), axis);
if ((proj.X > projEnd1.X) || ((proj.X == projEnd1.X) && (proj.Y > projEnd1.Y)))
projEnd1 = proj;
// проекция тела
Vector2 projBegin2;
Vector2 projEnd2;
projBegin2 = projEnd2 = GetProjection(solid.Vertices[0], axis);
for (int i = 1; i < solid.Vertices.Length; i++)
{
proj = GetProjection(solid.Vertices[i], axis);
if ((proj.X < projBegin2.X) || ((proj.X == projBegin2.X) && (proj.Y < projBegin2.Y)))
projBegin2 = proj;
else if ((proj.X > projEnd2.X) || ((proj.X == projEnd2.X) && (proj.Y > projEnd2.Y)))
projEnd2 = proj;
}
Vector2 delta = Vector2.Zero;
Vector2 d1 = projEnd1 - projBegin2;
if ((d1.X > 0) || ((d1.X == 0) && (d1.Y > 0)))
{
Vector2 d2 = projEnd2 - projBegin1;
if ((d2.X > 0) || ((d2.X == 0) && (d2.Y > 0)))
{
if ((d1.X < d2.X) || ((d1.X == d2.X) && (d1.Y <= d2.Y)))
{
delta = -d1;
}
else
{
delta = d2;
}
}
}
if (delta == Vector2.Zero)
{
return;
}
float deltaLength = delta.Length();
if ((minDelta == Vector2.Zero) || (deltaLength < minDeltaLength))
{
minDelta = delta;
minDeltaLength = deltaLength;
}
}
character.MoveBehavior.NewPosition += minDelta;
}
public NetPlayer(IMessenger messenger, Character character, TimeSpan createTime)
: this(messenger, character)
{
LastUpdate = createTime;
}
private void ApplyHit(Character shooter, Character player, float shootingTime)
{
player.Health -= shootingTime * shooter.DamagePerSecond;
if (player.Health <= 0)
{
// добавляем игрока в точку респауна зону и удаляем с зоны, в которой он был
int x = (int)Math.Floor(player.Position.X / Level.ZoneSize);
int y = (int)Math.Floor(player.Position.Y / Level.ZoneSize);
_gameState.Grid.Characters[x][y].Remove(player);
player.Position = _gameState.Level.GetRespawnPosition();
int newX = (int)Math.Floor(player.Position.X / Level.ZoneSize);
int newY = (int)Math.Floor(player.Position.Y / Level.ZoneSize);
_gameState.Grid.Characters[newX][newY].Add(player);
player.Health = Character.MaxHealth;
_gameState.Scores[shooter.Id].Kills++;
_gameState.Scores[player.Id].Deaths++;
foreach (var netPlayer in _gameState.NetPlayers.Values)
{
netPlayer.ServerPacket.PlayersPositions[player.Id] = (ProtoVector2)player.Position;
netPlayer.ServerPacket.PlayersHealths[(byte)player.Id] = (byte)player.Health;
}
}
else
{
foreach (var netPlayer in _gameState.NetPlayers.Values)
{
netPlayer.ServerPacket.PlayersHealths[(byte)player.Id] = (byte)player.Health;
}
}
}
private void CheckHits(Character shooter, Vector2 direction, float shootingTime)
{
int voxelSize = Level.ZoneSize;
// координаты ячейки, в которой находится начало луча
int X = (int)Math.Floor(shooter.Position.X / voxelSize);
int Y = (int)Math.Floor(shooter.Position.Y / voxelSize);
// шаг по ячейкам в направлении луча
int stepX = (direction.X > 0) ? 1 : -1;
int stepY = (direction.Y > 0) ? 1 : -1;
// расстояние вдоль луча до первой вертикальной линии, которую пересекает луч
Vector2 horIntersection = GetIntersectionPosition(shooter.Position, direction, new Vector2((X + (stepX > 0 ? 1 : 0)) * voxelSize, 0), new Vector2(0, 1)) - shooter.Position;
float tMaxX = horIntersection.Length();
// расстояние вдоль луча до первой горизонтальной линии, которую пересекает луч
Vector2 verIntersection = GetIntersectionPosition(shooter.Position, direction, new Vector2(0, (Y + (stepY > 0 ? 1 : 0)) * voxelSize), new Vector2(1, 0)) - shooter.Position;
float tMaxY = verIntersection.Length();
// расстояние вдоль луча, которое нужно пройти, чтобы заполнить ширину ячейки
Vector2 fillWidth = GetIntersectionPosition(Vector2.Zero, direction, new Vector2(voxelSize, 0), new Vector2(0, 1));
float tDeltaX = fillWidth.Length();
// расстояние вдоль луча, которое нужно пройти, чтобы заполнить высоту ячейки
Vector2 fillHeigth = GetIntersectionPosition(Vector2.Zero, direction, new Vector2(0, voxelSize), new Vector2(1, 0));
float tDeltaY = fillHeigth.Length();
// обоходим последовательно ячейки, которые пересекает луч
while (true)
{
if (CheckVoxel(shooter, shootingTime, direction, new Point(X, Y)))
{
break;
}
if (tMaxX < tMaxY)
{
tMaxX += tDeltaX;
X += stepX;
if (X < 0 || X >= _gameState.Grid.Width)
{
break;
}
}
else
{
tMaxY += tDeltaY;
Y += stepY;
if (Y < 0 || Y >= _gameState.Grid.Height)
{
break;
}
}
}
}
public void Put(Character character)
{
int x = (int)Math.Floor(character.Position.X / Level.ZoneSize);
int y = (int)Math.Floor(character.Position.Y / Level.ZoneSize);
Characters[x][y].Add(character);
}
/// <summary>
/// Возвращает точку пересечения луча с объектом.
/// </summary>
/// <param name="angle"></param>
/// <param name="koef"></param>
/// <param name="shooter"></param>
/// <param name="target"></param>
/// <returns></returns>
private Vector2 GetHitPosition(Vector2 direction, Character shooter, ISolid target)
{
Vector2 hitPosition = new Vector2(-1);
Vector2 p0 = shooter.Position;
float minX = float.PositiveInfinity;
float minY = float.PositiveInfinity;
// пересечение с отрезками полигона
Vector2[] vertices = target.Vertices;
Vector2 prevV = vertices[vertices.Length - 1];
for (int i = 0; i < vertices.Length; i++)
{
Vector2 curV = vertices[i];
Vector2 intr = GetIntersectionPosition(shooter.Position, direction, curV, curV - prevV);
float x = intr.X;
float y = intr.Y;
// точка пересечения прямых в пределах отрезка
if (((x >= prevV.X) && (x < curV.X)) ||
((x >= curV.X) && (x < prevV.X)) ||
((y >= prevV.Y) && (y < curV.Y)) ||
((y >= curV.Y) && (y < prevV.Y)))
{
// точка пересечения в направлении стрельбы
Vector2 delta = new Vector2(x - p0.X, y - p0.Y);
if (((delta.X >= 0 && direction.X >= 0) || (delta.X < 0 && direction.X < 0)) &&
((delta.Y >= 0 && direction.Y >= 0) || (delta.Y < 0 && direction.Y < 0)))
{
if (delta.X != 0)
{
float positiveDeltaX = Math.Abs(delta.X);
if (positiveDeltaX < minX)
{
minX = positiveDeltaX;
hitPosition = new Vector2((float)x, (float)y);
}
}
else
{
float positiveDeltaY = Math.Abs(delta.Y);
if (positiveDeltaY < minY)
{
minY = positiveDeltaY;
hitPosition = new Vector2((float)x, (float)y);
}
}
}
}
prevV = curV;
}
return hitPosition;
}
public PlayerMove1(Character character)
{
this._character = character;
}
