public void GetNextSolidBlockToPlayer(ref Vector3 FromPosition, ref Vector3I Direction, out TerraCubeWithPosition cubeWithPosition)
{
int index = 0;
cubeWithPosition = new TerraCubeWithPosition();
cubeWithPosition.Cube = new TerraCube(WorldConfiguration.CubeId.Air);
int X = MathHelper.Floor(FromPosition.X);
int Z = MathHelper.Floor(FromPosition.Z);
int Y = MathHelper.Floor(FromPosition.Y);
if (Y >= _visualWorldParam.WorldVisibleSize.Y)
{
Y = _visualWorldParam.WorldVisibleSize.Y - 1;
}
while (!_config.BlockProfiles[cubeWithPosition.Cube.Id].IsSolidToEntity && !isIndexInError(index))
{
if (IndexYSafe(X, Y, Z, out index))
{
if (_config.BlockProfiles[Cubes[index].Id].IsSolidToEntity)
{
cubeWithPosition.Cube = Cubes[index];
break;
}
X += Direction.X;
Y += Direction.Y;
Z += Direction.Z;
}
}
cubeWithPosition.Position = new Vector3I(X, Y, Z);
}
private void PlayerEntityManager_OnLanding(double fallHeight, TerraCubeWithPosition landedCube)
{
//The first 5 meter are "free", no damage computed
if (fallHeight <= 5.0)
{
return;
}
var damageComputed = (fallHeight - 5) * _healthDamagePerFallMeter;
_playerCharacter.HealthImpact(-(float)damageComputed);
}
public bool isPickable(ref Vector3D position, out TerraCubeWithPosition cubewithPosition)
{
int cubeIndex;
var cubePosition = new Vector3I(MathHelper.Floor(position.X), MathHelper.Floor(position.Y), MathHelper.Floor(position.Z));
if (cubePosition.Y < _visualWorldParam.WorldRange.Max.Y - 1 && Index(ref cubePosition, true, out cubeIndex))
{
cubewithPosition = new TerraCubeWithPosition(cubePosition, Cubes[cubeIndex], _config.BlockProfiles[Cubes[cubeIndex].Id]);
return(_config.BlockProfiles[cubewithPosition.Cube.Id].IsPickable);
}
cubewithPosition = new TerraCubeWithPosition();
return(false);
}
public bool ReplaceBlock(int cubeArrayIndex, ref Vector3I cubeCoordinates, byte replacementCubeId, bool isNetworkChanged, BlockTag blockTag = null)
{
VisualChunk impactedChunk = _worldChunks.GetChunk(cubeCoordinates.X, cubeCoordinates.Z);
if (impactedChunk.State != ChunkState.DisplayInSyncWithMeshes && isNetworkChanged)
{
return(false);
}
try
{
// Check if the cube is not already the same ? ! ?
var existingCube = _cubesHolder.Cubes[cubeArrayIndex];
var inChunkPos = BlockHelper.GlobalToInternalChunkPosition(cubeCoordinates);
if (existingCube.Id == replacementCubeId)
{
// tag change event
// some tags changes requires chunk mesh rebuild (LiquidTag), some not (DamageTag)
// we will update the mesh only if at least one tag (current or previous) requires mesh update
var needChunkMeshUpdate = false;
var oldTag = impactedChunk.BlockData.GetTag(inChunkPos);
if (oldTag != null && oldTag.RequireChunkMeshUpdate)
{
needChunkMeshUpdate = true;
}
if (blockTag != null && blockTag.RequireChunkMeshUpdate)
{
needChunkMeshUpdate = true;
}
if (!needChunkMeshUpdate)
{
impactedChunk.BlockData.SetTag(blockTag, inChunkPos);
return(true);
}
}
// Change the cube in the big array
impactedChunk.BlockData.SetBlock(inChunkPos, replacementCubeId, blockTag);
// Start Chunk Visual Impact to decide what needs to be redraw, will be done in async mode,
// quite heavy, will also restart light computations for the impacted chunk range.
var cube = new TerraCubeWithPosition(cubeCoordinates, replacementCubeId, _visualWorldParameters.WorldParameters.Configuration.BlockProfiles[replacementCubeId]);
#if PERFTEST
if (Utopia.Worlds.Chunks.WorldChunks.perf.Actif == false)
{
Utopia.Worlds.Chunks.WorldChunks.perf.Actif = true;
Utopia.Worlds.Chunks.WorldChunks.perf.CollectedData = new List <string>();
Utopia.Worlds.Chunks.WorldChunks.perf.AddData("Started New User Action");
Utopia.Worlds.Chunks.WorldChunks.perf.sw.Restart();
}
#endif
impactedChunk.UpdateOrder = !cube.BlockProfile.IsBlockingLight ? 1 : 2;
//Compute the Range impacted by the cube change
var cubeRange = new Range3I
{
Position = new Vector3I(cube.Position.X, 0, cube.Position.Z),
Size = Vector3I.One
};
ThreadsManager.RunAsync(() => CheckImpact(impactedChunk, cubeRange), ThreadsManager.ThreadTaskPriority.High);
// Raise event for sound
OnBlockReplaced(new LandscapeBlockReplacedEventArgs {
IsLocalPLayerAction = !isNetworkChanged,
Position = cubeCoordinates,
NewBlockType = replacementCubeId,
PreviousBlock = existingCube
});
return(true);
}
finally
{
// Save the modified Chunk in local buffer DB
SendChunkForBuffering(impactedChunk);
}
}
public void GetNextSolidBlockToPlayer(ref BoundingBox FromBBPosition, ref Vector3I Direction, out TerraCubeWithPosition cubeWithPosition)
{
TerraCubeWithPosition testCube;
Vector3 testPoint;
testPoint = new Vector3(FromBBPosition.Minimum.X, FromBBPosition.Minimum.Y, FromBBPosition.Minimum.Z);
GetNextSolidBlockToPlayer(ref testPoint, ref Direction, out testCube);
cubeWithPosition = testCube;
testPoint = new Vector3(FromBBPosition.Maximum.X, FromBBPosition.Minimum.Y, FromBBPosition.Minimum.Z);
GetNextSolidBlockToPlayer(ref testPoint, ref Direction, out testCube);
if (testCube.Position.Y > cubeWithPosition.Position.Y)
{
cubeWithPosition = testCube;
}
testPoint = new Vector3(FromBBPosition.Minimum.X, FromBBPosition.Minimum.Y, FromBBPosition.Maximum.Z);
GetNextSolidBlockToPlayer(ref testPoint, ref Direction, out testCube);
if (testCube.Position.Y > cubeWithPosition.Position.Y)
{
cubeWithPosition = testCube;
}
testPoint = new Vector3(FromBBPosition.Maximum.X, FromBBPosition.Minimum.Y, FromBBPosition.Maximum.Z);
GetNextSolidBlockToPlayer(ref testPoint, ref Direction, out testCube);
if (testCube.Position.Y > cubeWithPosition.Position.Y)
{
cubeWithPosition = testCube;
}
}
public bool IsSolidToPlayer(ref BoundingBox bb, bool withCubeOffSetAccount, out TerraCubeWithPosition collidingcube)
{
//Get ground surface 4 blocks below the Bounding box
int Xmin = MathHelper.Floor(bb.Minimum.X);
int Zmin = MathHelper.Floor(bb.Minimum.Z);
int Ymin = MathHelper.Floor(bb.Minimum.Y);
int Xmax = MathHelper.Floor(bb.Maximum.X);
int Zmax = MathHelper.Floor(bb.Maximum.Z);
int Ymax = MathHelper.Floor(bb.Maximum.Y);
for (var x = Xmin; x <= Xmax; x++)
{
for (var z = Zmin; z <= Zmax; z++)
{
for (var y = Ymin; y <= Ymax; y++)
{
var cube = GetCubeAt(new Vector3I(x, y, z));
var profile = _wp.Configuration.BlockProfiles[cube.Id];
if (!profile.IsSolidToEntity)
{
continue;
}
collidingcube.Cube = cube;
collidingcube.Position = new Vector3I(x, y, z);
collidingcube.BlockProfile = profile;
//Block with Offset case
if (withCubeOffSetAccount && profile.YBlockOffset > 0.0f)
{
//If my "Feet" are below the height of the offseted cube, then colliding true
FloatAsInt FeetLevel = bb.Minimum.Y;
FloatAsInt OffsetedCubeLevel = 1;// profile.YBlockOffset;
OffsetedCubeLevel -= profile.YBlockOffset;
//if (bb.Minimum.Y < (y + (1-profile.YBlockOffset)))
if (FeetLevel < (y + OffsetedCubeLevel))
{
return(true);
}
//check the head when On a Offseted Block
cube = GetCubeAt(new Vector3I(x, MathHelper.Floor(bb.Maximum.Y + profile.YBlockOffset), z));
profile = _wp.Configuration.BlockProfiles[cube.Id];
if (profile.IsSolidToEntity)
{
return(true);
}
}
else
{
return(true);
}
}
}
}
collidingcube = new TerraCubeWithPosition();
return(false);
}
/// <summary>
/// Update player picking
/// </summary>
/// <param name="pickingWorldPosition"></param>
/// <param name="pickingLookAt"></param>
/// <param name="blockPickingDistance"></param>
/// <returns>return true if a new Item has been picked up !</returns>
private bool RefreshPicking(ref Vector3D pickingWorldPosition, Vector3 pickingLookAt, float blockPickingDistance)
{
// first we will check entities
// after that we will check blocks because they can be closer than the entity
PlayerManager.Player.EntityState.IsEntityPicked = false;
PlayerManager.Player.EntityState.IsBlockPicked = false;
//Check the Ray against all entity first
var pickingRay = new Ray(pickingWorldPosition.AsVector3(), pickingLookAt);
var epr = CheckEntityPicking(pickingRay);
if (epr.Found && epr.Distance > blockPickingDistance)
{
epr.Found = false;
}
var tool = PlayerManager.ActiveTool;
if (tool.PickRange != 0f)
{
blockPickingDistance = Math.Min(tool.PickRange, blockPickingDistance);
}
var nbrPointToSample = (int)(Math.Min(blockPickingDistance, epr.Distance) / 0.02);
float sliceLimitSquared = float.PositiveInfinity;
if (_worldChunks.SliceValue != -1)
{
var topPlane = new Plane(new Vector3(0, _worldChunks.SliceValue, 0), Vector3.UnitY);
var bottomPlane = new Plane(new Vector3(0, _worldChunks.SliceValue - 5, 0), Vector3.UnitY);
Vector3 topIntersectionPoint;
Vector3 bottomIntersectionPoint;
var topIntersection = pickingRay.Intersects(ref topPlane, out topIntersectionPoint);
var bottomIntersection = pickingRay.Intersects(ref bottomPlane, out bottomIntersectionPoint);
if (!topIntersection && !bottomIntersection)
{
return(false);
}
if (topIntersection && bottomIntersection)
{
// find the closest one to the camera
var topIsCloser = Vector3D.DistanceSquared(pickingWorldPosition, new Vector3D(topIntersectionPoint)) < Vector3D.DistanceSquared(pickingWorldPosition, new Vector3D(bottomIntersectionPoint));
if (topIsCloser)
{
pickingWorldPosition = new Vector3D(topIntersectionPoint);
}
else
{
pickingWorldPosition = new Vector3D(bottomIntersectionPoint);
}
sliceLimitSquared = Vector3.DistanceSquared(topIntersectionPoint, bottomIntersectionPoint);
}
else if (topIntersection)
{
sliceLimitSquared = (float)Vector3D.DistanceSquared(pickingWorldPosition, new Vector3D(topIntersectionPoint));
}
else
{
sliceLimitSquared = (float)Vector3D.DistanceSquared(pickingWorldPosition, new Vector3D(bottomIntersectionPoint));
}
if (epr.Found)
{
sliceLimitSquared = (float)Vector3D.DistanceSquared(pickingWorldPosition, new Vector3D(epr.PickPoint));
if (epr.PickPoint.Y > topIntersectionPoint.Y)
{
nbrPointToSample = 0;
}
}
//if (Vector3D.DistanceSquared(prevPosition, prevPosition) > Vector3D.DistanceSquared(prevPosition, new Vector3D(bottomPoint)))
// pickingWorldPosition = new Vector3D(intersectPoint);
}
var startPos = pickingWorldPosition;
//Check for Cube Picking
//Sample points in the view direction vector
for (var ptNbr = 0; ptNbr < nbrPointToSample; ptNbr++)
{
pickingWorldPosition += new Vector3D(pickingLookAt * 0.02f);
if (Vector3D.DistanceSquared(pickingWorldPosition, startPos) >= sliceLimitSquared)
{
break;
}
//Check if a block is picked up !
var result = _cubesHolder.GetCube(pickingWorldPosition);
if (!result.IsValid)
{
break;
}
var blockProfile = _cubesHolder.Config.BlockProfiles[result.Cube.Id];
var yOffset = blockProfile.YBlockOffset;
var pickType = tool.CanPickBlock(blockProfile);
if (pickType == PickType.Stop)
{
// we found a block that is closer than entity (if any)
// don't allow to pick the entity in this case
epr.Found = false;
break;
}
if (pickType == PickType.Pick)
{
var blockPos = pickingWorldPosition.ToCubePosition();
PlayerManager.Player.EntityState.PickedBlockPosition = blockPos;
var cubeBB = new BoundingBox(blockPos, blockPos + new Vector3(1, 1f - (float)yOffset, 1));
Vector3 faceInteresection;
if (cubeBB.Intersects(ref pickingRay, out faceInteresection))
{
_prevCube = _pickedCube;
_pickedCube = new TerraCubeWithPosition {
Position = blockPos, BlockProfile = blockProfile, Cube = result.Cube
};
PlayerManager.Player.EntityState.PickedBlockFaceOffset = Vector3.One - (_pickedCube.Position - faceInteresection);
PlayerManager.Player.EntityState.PickPoint = faceInteresection;
PlayerManager.Player.EntityState.PickPointNormal = cubeBB.GetPointNormal(faceInteresection);
}
bool newPlacechanged = false;
//Find the potential new block place, by rolling back !
while (ptNbr > 0)
{
pickingWorldPosition -= new Vector3D(pickingLookAt * 0.02f);
if (_cubesHolder.isPickable(ref pickingWorldPosition, out _newCube) == false)
{
PlayerManager.Player.EntityState.NewBlockPosition = _newCube.Position;
newPlacechanged = true;
break;
}
ptNbr--;
}
PlayerManager.Player.EntityState.IsEntityPicked = false;
PlayerManager.Player.EntityState.IsBlockPicked = true;
if (_prevCube.Position == PlayerManager.Player.EntityState.PickedBlockPosition)
{
if (!newPlacechanged)
{
return(false);
}
}
break;
}
}
// we need to decide what we have picked (block or entity)
// if we found the block this means that it is closer than entity
// (because we used limit as the closest picked entity)
if (!PlayerManager.Player.EntityState.IsBlockPicked && epr.Found)
{
_pickedUpEntity = epr.PickedEntity;
_pickedUpEntityPosition = _pickedUpEntity.Entity.Position;
PlayerManager.Player.EntityState.PickedEntityPosition = _pickedUpEntity.Entity.Position;
PlayerManager.Player.EntityState.PickedEntityLink = _pickedUpEntity.Entity.GetLink();
PlayerManager.Player.EntityState.PickPoint = epr.PickPoint;
PlayerManager.Player.EntityState.PickPointNormal = epr.PickNormal;
PlayerManager.Player.EntityState.IsEntityPicked = true;
PlayerManager.Player.EntityState.IsBlockPicked = false;
}
return(PlayerManager.Player.EntityState.IsBlockPicked || PlayerManager.Player.EntityState.IsEntityPicked);
}
