public virtual Vec3D Func_515_a(double par1, double par3, double par5, double par7)
{
int i = MathHelper2.Floor_double(par1);
int j = MathHelper2.Floor_double(par3);
int k = MathHelper2.Floor_double(par5);
if (BlockRail.IsRailBlockAt(WorldObj, i, j - 1, k))
{
j--;
}
int l = WorldObj.GetBlockId(i, j, k);
if (BlockRail.IsRailBlock(l))
{
int i1 = WorldObj.GetBlockMetadata(i, j, k);
if (((BlockRail)Block.BlocksList[l]).IsPowered())
{
i1 &= 7;
}
par3 = j;
if (i1 >= 2 && i1 <= 5)
{
par3 = j + 1;
}
int[][] ai = Field_855_j[i1];
float d = ai[1][0] - ai[0][0];
float d1 = ai[1][2] - ai[0][2];
float d2 = (float)Math.Sqrt(d * d + d1 * d1);
d /= d2;
d1 /= d2;
par1 += d * par7;
par5 += d1 * par7;
if (ai[0][1] != 0 && MathHelper2.Floor_double(par1) - i == ai[0][0] && MathHelper2.Floor_double(par5) - k == ai[0][2])
{
par3 += ai[0][1];
}
else if (ai[1][1] != 0 && MathHelper2.Floor_double(par1) - i == ai[1][0] && MathHelper2.Floor_double(par5) - k == ai[1][2])
{
par3 += ai[1][1];
}
return(Func_514_g(par1, par3, par5));
}
else
{
return(null);
}
}
private bool IsMinecartTrack(int par1, int par2, int par3)
{
if (BlockRail.IsRailBlockAt(WorldObj, par1, par2, par3))
{
return(true);
}
if (BlockRail.IsRailBlockAt(WorldObj, par1, par2 + 1, par3))
{
return(true);
}
return(BlockRail.IsRailBlockAt(WorldObj, par1, par2 - 1, par3));
}
private RailLogic GetMinecartTrackLogic(ChunkPosition par1ChunkPosition)
{
if (BlockRail.IsRailBlockAt(WorldObj, par1ChunkPosition.x, par1ChunkPosition.y, par1ChunkPosition.z))
{
return(new RailLogic(Rail, WorldObj, par1ChunkPosition.x, par1ChunkPosition.y, par1ChunkPosition.z));
}
if (BlockRail.IsRailBlockAt(WorldObj, par1ChunkPosition.x, par1ChunkPosition.y + 1, par1ChunkPosition.z))
{
return(new RailLogic(Rail, WorldObj, par1ChunkPosition.x, par1ChunkPosition.y + 1, par1ChunkPosition.z));
}
if (BlockRail.IsRailBlockAt(WorldObj, par1ChunkPosition.x, par1ChunkPosition.y - 1, par1ChunkPosition.z))
{
return(new RailLogic(Rail, WorldObj, par1ChunkPosition.x, par1ChunkPosition.y - 1, par1ChunkPosition.z));
}
else
{
return(null);
}
}
public virtual Vec3D Func_514_g(double par1, double par3, double par5)
{
int i = MathHelper2.Floor_double(par1);
int j = MathHelper2.Floor_double(par3);
int k = MathHelper2.Floor_double(par5);
if (BlockRail.IsRailBlockAt(WorldObj, i, j - 1, k))
{
j--;
}
int l = WorldObj.GetBlockId(i, j, k);
if (BlockRail.IsRailBlock(l))
{
int i1 = WorldObj.GetBlockMetadata(i, j, k);
par3 = j;
if (((BlockRail)Block.BlocksList[l]).IsPowered())
{
i1 &= 7;
}
if (i1 >= 2 && i1 <= 5)
{
par3 = j + 1;
}
int[][] ai = Field_855_j[i1];
double d = 0.0F;
double d1 = (double)i + 0.5D + (double)ai[0][0] * 0.5D;
double d2 = (double)j + 0.5D + (double)ai[0][1] * 0.5D;
double d3 = (double)k + 0.5D + (double)ai[0][2] * 0.5D;
double d4 = (double)i + 0.5D + (double)ai[1][0] * 0.5D;
double d5 = (double)j + 0.5D + (double)ai[1][1] * 0.5D;
double d6 = (double)k + 0.5D + (double)ai[1][2] * 0.5D;
double d7 = d4 - d1;
double d8 = (d5 - d2) * 2D;
double d9 = d6 - d3;
if (d7 == 0.0F)
{
par1 = (double)i + 0.5D;
d = par5 - (double)k;
}
else if (d9 == 0.0F)
{
par5 = (double)k + 0.5D;
d = par1 - (double)i;
}
else
{
double d10 = par1 - d1;
double d11 = par5 - d3;
double d12 = (d10 * d7 + d11 * d9) * 2D;
d = d12;
}
par1 = d1 + d7 * d;
par3 = d2 + d8 * d;
par5 = d3 + d9 * d;
if (d8 < 0.0F)
{
par3++;
}
if (d8 > 0.0F)
{
par3 += 0.5D;
}
return(Vec3D.CreateVector(par1, par3, par5));
}
else
{
return(null);
}
}
/// <summary>
/// Called to update the entity's position/logic.
/// </summary>
public override void OnUpdate()
{
if (Func_41023_l() > 0)
{
Func_41028_c(Func_41023_l() - 1);
}
if (Func_41025_i() > 0)
{
Func_41024_b(Func_41025_i() - 1);
}
if (PosY < -64D)
{
Kill();
}
if (IsMinecartPowered() && Rand.Next(4) == 0)
{
WorldObj.SpawnParticle("largesmoke", PosX, PosY + 0.80000000000000004D, PosZ, 0.0F, 0.0F, 0.0F);
}
if (WorldObj.IsRemote)
{
if (TurnProgress > 0)
{
float d = PosX + (MinecartX - PosX) / TurnProgress;
float d1 = PosY + (MinecartY - PosY) / TurnProgress;
float d3 = PosZ + (MinecartZ - PosZ) / TurnProgress;
double d5;
for (d5 = MinecartYaw - RotationYaw; d5 < -180D; d5 += 360D)
{
}
for (; d5 >= 180D; d5 -= 360D)
{
}
RotationYaw += (float)d5 / TurnProgress;
RotationPitch += ((float)MinecartPitch - RotationPitch) / TurnProgress;
TurnProgress--;
SetPosition(d, d1, d3);
SetRotation(RotationYaw, RotationPitch);
}
else
{
SetPosition(PosX, PosY, PosZ);
SetRotation(RotationYaw, RotationPitch);
}
return;
}
PrevPosX = PosX;
PrevPosY = PosY;
PrevPosZ = PosZ;
MotionY -= 0.039999999105930328F;
int i = MathHelper2.Floor_double(PosX);
int j = MathHelper2.Floor_double(PosY);
int k = MathHelper2.Floor_double(PosZ);
if (BlockRail.IsRailBlockAt(WorldObj, i, j - 1, k))
{
j--;
}
float d2 = 0.40000000000000002F;
float d4 = 0.0078125F;
int l = WorldObj.GetBlockId(i, j, k);
if (BlockRail.IsRailBlock(l))
{
Vec3D vec3d = Func_514_g(PosX, PosY, PosZ);
int i1 = WorldObj.GetBlockMetadata(i, j, k);
PosY = j;
bool flag = false;
bool flag1 = false;
if (l == Block.RailPowered.BlockID)
{
flag = (i1 & 8) != 0;
flag1 = !flag;
}
if (((BlockRail)Block.BlocksList[l]).IsPowered())
{
i1 &= 7;
}
if (i1 >= 2 && i1 <= 5)
{
PosY = j + 1;
}
if (i1 == 2)
{
MotionX -= d4;
}
if (i1 == 3)
{
MotionX += d4;
}
if (i1 == 4)
{
MotionZ += d4;
}
if (i1 == 5)
{
MotionZ -= d4;
}
int[][] ai = Field_855_j[i1];
float d9 = ai[1][0] - ai[0][0];
float d10 = ai[1][2] - ai[0][2];
float d11 = (float)Math.Sqrt(d9 * d9 + d10 * d10);
double d12 = MotionX * d9 + MotionZ * d10;
if (d12 < 0.0F)
{
d9 = -d9;
d10 = -d10;
}
float d13 = (float)Math.Sqrt(MotionX * MotionX + MotionZ * MotionZ);
MotionX = (d13 * d9) / d11;
MotionZ = (d13 * d10) / d11;
if (flag1)
{
double d16 = Math.Sqrt(MotionX * MotionX + MotionZ * MotionZ);
if (d16 < 0.029999999999999999D)
{
MotionX *= 0.0F;
MotionY *= 0.0F;
MotionZ *= 0.0F;
}
else
{
MotionX *= 0.5F;
MotionY *= 0.0F;
MotionZ *= 0.5F;
}
}
float d17 = 0.0F;
float d18 = i + 0.5F + ai[0][0] * 0.5F;
float d19 = k + 0.5F + ai[0][2] * 0.5F;
float d20 = i + 0.5F + ai[1][0] * 0.5F;
float d21 = k + 0.5F + ai[1][2] * 0.5F;
d9 = d20 - d18;
d10 = d21 - d19;
if (d9 == 0.0F)
{
PosX = i + 0.5F;
d17 = PosZ - k;
}
else if (d10 == 0.0F)
{
PosZ = k + 0.5F;
d17 = PosX - i;
}
else
{
float d22 = PosX - d18;
float d24 = PosZ - d19;
float d26 = (d22 * d9 + d24 * d10) * 2F;
d17 = d26;
}
PosX = d18 + d9 * d17;
PosZ = d19 + d10 * d17;
SetPosition(PosX, PosY + YOffset, PosZ);
float d23 = MotionX;
float d25 = MotionZ;
if (RiddenByEntity != null)
{
d23 *= 0.75F;
d25 *= 0.75F;
}
if (d23 < -d2)
{
d23 = -d2;
}
if (d23 > d2)
{
d23 = d2;
}
if (d25 < -d2)
{
d25 = -d2;
}
if (d25 > d2)
{
d25 = d2;
}
MoveEntity(d23, 0.0F, d25);
if (ai[0][1] != 0 && MathHelper2.Floor_double(PosX) - i == ai[0][0] && MathHelper2.Floor_double(PosZ) - k == ai[0][2])
{
SetPosition(PosX, PosY + ai[0][1], PosZ);
}
else if (ai[1][1] != 0 && MathHelper2.Floor_double(PosX) - i == ai[1][0] && MathHelper2.Floor_double(PosZ) - k == ai[1][2])
{
SetPosition(PosX, PosY + ai[1][1], PosZ);
}
if (RiddenByEntity != null)
{
MotionX *= 0.99699997901916504F;
MotionY *= 0.0F;
MotionZ *= 0.99699997901916504F;
}
else
{
if (MinecartType == 2)
{
float d27 = MathHelper2.Sqrt_double(PushX * PushX + PushZ * PushZ);
if (d27 > 0.01D)
{
PushX /= d27;
PushZ /= d27;
float d29 = 0.040000000000000001F;
MotionX *= 0.80000001192092896F;
MotionY *= 0.0F;
MotionZ *= 0.80000001192092896F;
MotionX += PushX * d29;
MotionZ += PushZ * d29;
}
else
{
MotionX *= 0.89999997615814209F;
MotionY *= 0.0F;
MotionZ *= 0.89999997615814209F;
}
}
MotionX *= 0.95999997854232788F;
MotionY *= 0.0F;
MotionZ *= 0.95999997854232788F;
}
Vec3D vec3d1 = Func_514_g(PosX, PosY, PosZ);
if (vec3d1 != null && vec3d != null)
{
float d28 = ((float)vec3d.YCoord - (float)vec3d1.YCoord) * 0.050000000000000003F;
float d14 = (float)Math.Sqrt(MotionX * MotionX + MotionZ * MotionZ);
if (d14 > 0.0F)
{
MotionX = (MotionX / d14) * (d14 + d28);
MotionZ = (MotionZ / d14) * (d14 + d28);
}
SetPosition(PosX, (float)vec3d1.YCoord, PosZ);
}
int k1 = MathHelper2.Floor_double(PosX);
int l1 = MathHelper2.Floor_double(PosZ);
if (k1 != i || l1 != k)
{
float d15 = (float)Math.Sqrt(MotionX * MotionX + MotionZ * MotionZ);
MotionX = d15 * (k1 - i);
MotionZ = d15 * (l1 - k);
}
if (MinecartType == 2)
{
float d30 = MathHelper2.Sqrt_double(PushX * PushX + PushZ * PushZ);
if (d30 > 0.01F && MotionX * MotionX + MotionZ * MotionZ > 0.001F)
{
PushX /= d30;
PushZ /= d30;
if (PushX * MotionX + PushZ * MotionZ < 0.0F)
{
PushX = 0.0F;
PushZ = 0.0F;
}
else
{
PushX = MotionX;
PushZ = MotionZ;
}
}
}
if (flag)
{
float d31 = (float)Math.Sqrt(MotionX * MotionX + MotionZ * MotionZ);
if (d31 > 0.01D)
{
float d32 = 0.059999999999999998F;
MotionX += (MotionX / d31) * d32;
MotionZ += (MotionZ / d31) * d32;
}
else if (i1 == 1)
{
if (WorldObj.IsBlockNormalCube(i - 1, j, k))
{
MotionX = 0.02F;
}
else if (WorldObj.IsBlockNormalCube(i + 1, j, k))
{
MotionX = -0.02F;
}
}
else if (i1 == 0)
{
if (WorldObj.IsBlockNormalCube(i, j, k - 1))
{
MotionZ = 0.02F;
}
else if (WorldObj.IsBlockNormalCube(i, j, k + 1))
{
MotionZ = -0.02F;
}
}
}
}
else
{
if (MotionX < -d2)
{
MotionX = -d2;
}
if (MotionX > d2)
{
MotionX = d2;
}
if (MotionZ < -d2)
{
MotionZ = -d2;
}
if (MotionZ > d2)
{
MotionZ = d2;
}
if (OnGround)
{
MotionX *= 0.5F;
MotionY *= 0.5F;
MotionZ *= 0.5F;
}
MoveEntity(MotionX, MotionY, MotionZ);
if (!OnGround)
{
MotionX *= 0.94999998807907104F;
MotionY *= 0.94999998807907104F;
MotionZ *= 0.94999998807907104F;
}
}
RotationPitch = 0.0F;
float d6 = PrevPosX - PosX;
float d7 = PrevPosZ - PosZ;
if (d6 * d6 + d7 * d7 > 0.001F)
{
RotationYaw = (float)((Math.Atan2(d7, d6) * 180F) / Math.PI);
if (Field_856_i)
{
RotationYaw += 180F;
}
}
float d8;
for (d8 = RotationYaw - PrevRotationYaw; d8 >= 180F; d8 -= 360F)
{
}
for (; d8 < -180D; d8 += 360F)
{
}
if (d8 < -170D || d8 >= 170D)
{
RotationYaw += 180F;
Field_856_i = !Field_856_i;
}
SetRotation(RotationYaw, RotationPitch);
List <Entity> list = WorldObj.GetEntitiesWithinAABBExcludingEntity(this, BoundingBox.Expand(0.20000000298023224F, 0.0F, 0.20000000298023224F));
if (list != null && list.Count > 0)
{
for (int j1 = 0; j1 < list.Count; j1++)
{
Entity entity = list[j1];
if (entity != RiddenByEntity && entity.CanBePushed() && (entity is EntityMinecart))
{
entity.ApplyEntityCollision(this);
}
}
}
if (RiddenByEntity != null && RiddenByEntity.IsDead)
{
if (RiddenByEntity.RidingEntity == this)
{
RiddenByEntity.RidingEntity = null;
}
RiddenByEntity = null;
}
if (Fuel > 0)
{
Fuel--;
}
if (Fuel <= 0)
{
PushX = PushZ = 0.0F;
}
SetMinecartPowered(Fuel > 0);
}
/// <summary>
/// Completely recalculates the track shape based on neighboring tracks and power state
/// </summary>
public virtual void RefreshTrackShape(bool par1, bool par2)
{
bool flag = CanConnectFrom(TrackX, TrackY, TrackZ - 1);
bool flag1 = CanConnectFrom(TrackX, TrackY, TrackZ + 1);
bool flag2 = CanConnectFrom(TrackX - 1, TrackY, TrackZ);
bool flag3 = CanConnectFrom(TrackX + 1, TrackY, TrackZ);
sbyte byte0 = -1;
if ((flag || flag1) && !flag2 && !flag3)
{
byte0 = 0;
}
if ((flag2 || flag3) && !flag && !flag1)
{
byte0 = 1;
}
if (!IsPoweredRail)
{
if (flag1 && flag3 && !flag && !flag2)
{
byte0 = 6;
}
if (flag1 && flag2 && !flag && !flag3)
{
byte0 = 7;
}
if (flag && flag2 && !flag1 && !flag3)
{
byte0 = 8;
}
if (flag && flag3 && !flag1 && !flag2)
{
byte0 = 9;
}
}
if (byte0 == -1)
{
if (flag || flag1)
{
byte0 = 0;
}
if (flag2 || flag3)
{
byte0 = 1;
}
if (!IsPoweredRail)
{
if (par1)
{
if (flag1 && flag3)
{
byte0 = 6;
}
if (flag2 && flag1)
{
byte0 = 7;
}
if (flag3 && flag)
{
byte0 = 9;
}
if (flag && flag2)
{
byte0 = 8;
}
}
else
{
if (flag && flag2)
{
byte0 = 8;
}
if (flag3 && flag)
{
byte0 = 9;
}
if (flag2 && flag1)
{
byte0 = 7;
}
if (flag1 && flag3)
{
byte0 = 6;
}
}
}
}
if (byte0 == 0)
{
if (BlockRail.IsRailBlockAt(WorldObj, TrackX, TrackY + 1, TrackZ - 1))
{
byte0 = 4;
}
if (BlockRail.IsRailBlockAt(WorldObj, TrackX, TrackY + 1, TrackZ + 1))
{
byte0 = 5;
}
}
if (byte0 == 1)
{
if (BlockRail.IsRailBlockAt(WorldObj, TrackX + 1, TrackY + 1, TrackZ))
{
byte0 = 2;
}
if (BlockRail.IsRailBlockAt(WorldObj, TrackX - 1, TrackY + 1, TrackZ))
{
byte0 = 3;
}
}
if (byte0 < 0)
{
byte0 = 0;
}
SetConnections(byte0);
int i = byte0;
if (IsPoweredRail)
{
i = WorldObj.GetBlockMetadata(TrackX, TrackY, TrackZ) & 8 | byte0;
}
if (par2 || WorldObj.GetBlockMetadata(TrackX, TrackY, TrackZ) != i)
{
WorldObj.SetBlockMetadataWithNotify(TrackX, TrackY, TrackZ, i);
for (int j = 0; j < ConnectedTracks.Count; j++)
{
RailLogic raillogic = GetMinecartTrackLogic((ChunkPosition)ConnectedTracks[j]);
if (raillogic == null)
{
continue;
}
raillogic.RefreshConnectedTracks();
if (raillogic.CanConnectTo(this))
{
raillogic.ConnectToNeighbor(this);
}
}
}
}
/// <summary>
/// The specified neighbor has just formed a new connection, so update accordingly
/// </summary>
private void ConnectToNeighbor(RailLogic par1RailLogic)
{
ConnectedTracks.Add(new ChunkPosition(par1RailLogic.TrackX, par1RailLogic.TrackY, par1RailLogic.TrackZ));
bool flag = IsInTrack(TrackX, TrackY, TrackZ - 1);
bool flag1 = IsInTrack(TrackX, TrackY, TrackZ + 1);
bool flag2 = IsInTrack(TrackX - 1, TrackY, TrackZ);
bool flag3 = IsInTrack(TrackX + 1, TrackY, TrackZ);
sbyte byte0 = -1;
if (flag || flag1)
{
byte0 = 0;
}
if (flag2 || flag3)
{
byte0 = 1;
}
if (!IsPoweredRail)
{
if (flag1 && flag3 && !flag && !flag2)
{
byte0 = 6;
}
if (flag1 && flag2 && !flag && !flag3)
{
byte0 = 7;
}
if (flag && flag2 && !flag1 && !flag3)
{
byte0 = 8;
}
if (flag && flag3 && !flag1 && !flag2)
{
byte0 = 9;
}
}
if (byte0 == 0)
{
if (BlockRail.IsRailBlockAt(WorldObj, TrackX, TrackY + 1, TrackZ - 1))
{
byte0 = 4;
}
if (BlockRail.IsRailBlockAt(WorldObj, TrackX, TrackY + 1, TrackZ + 1))
{
byte0 = 5;
}
}
if (byte0 == 1)
{
if (BlockRail.IsRailBlockAt(WorldObj, TrackX + 1, TrackY + 1, TrackZ))
{
byte0 = 2;
}
if (BlockRail.IsRailBlockAt(WorldObj, TrackX - 1, TrackY + 1, TrackZ))
{
byte0 = 3;
}
}
if (byte0 < 0)
{
byte0 = 0;
}
int i = byte0;
if (IsPoweredRail)
{
i = WorldObj.GetBlockMetadata(TrackX, TrackY, TrackZ) & 8 | byte0;
}
WorldObj.SetBlockMetadataWithNotify(TrackX, TrackY, TrackZ, i);
}