public static void BlendBlock(Block target, World world, WorldPos position, float strength, float additive)
{
WorldPos [] points = new WorldPos[7];
Block[] blocks = new Block[7];
Vector3 [] offsets = new Vector3[7];
Vector3[] globalPoints = new Vector3[7];
Vector3 [] relativeOffsets = new Vector3[7];
points [0] = new WorldPos(position.x, position.y, position.z); //prime
points [1] = new WorldPos(position.x, position.y+1, position.z); //above
points [2] = new WorldPos(position.x, position.y-1, position.z); //below
points [3] = new WorldPos(position.x-1, position.y, position.z); //west
points [4] = new WorldPos(position.x+1, position.y, position.z); //east
points [5] = new WorldPos(position.x, position.y, position.z+1); //north
points [6] = new WorldPos(position.x, position.y, position.z-1); //south
Block aboveDiagonal = world.GetBlock (position.x+1, position.y+1, position.z+1);
Block diagonal = world.GetBlock (position.x+1, position.y, position.z+1);
Block aboveNorth = world.GetBlock (position.x, position.y+1, position.z+1);
Block aboveEast = world.GetBlock (position.x+1, position.y+1, position.z);
Block north = world.GetBlock (position.x, position.y, position.z+1);
Block east = world.GetBlock (position.x+1, position.y, position.z);
Block above = world.GetBlock (position.x, position.y, position.z);
//prepare offsets where we might use them
for (int a = 0; a < 7; a += 1) {
blocks [a] = world.GetBlock (points [a].x, points [a].y, points [a].z);
offsets [a] = blocks [a].getoffset ();
globalPoints [a] = new Vector3 (points [a].x + offsets [a].x, points [a].y + offsets [a].y, points [a].z + offsets [a].z);
relativeOffsets [a] = globalPoints [a] - globalPoints [0];
}
//This next part tests the faces that may be associated with our target, or "prime" voxel.
Vector3 vectorSum = new Vector3(.0f, .0f, .0f);
int pointCount = 1;
Vector3 faceDirection = new Vector3 (0f, 0f, 0f); //we will use this for adding and taking away ... hopefully
if ((target.faces&1) != 0) //top face shares with point south and point west
{
vectorSum = vectorSum + new Vector3 (relativeOffsets [6].x, 0, relativeOffsets [6].z) + new Vector3 (relativeOffsets [3].x, 0, relativeOffsets [3].z);
pointCount += 2;
faceDirection.y += 1f;
}
else if((above.faces&2) != 0) { //(face down of above shares same points)
vectorSum = vectorSum + new Vector3 (relativeOffsets [6].x, 0, relativeOffsets [6].z) + new Vector3 (relativeOffsets [3].x, 0, relativeOffsets [3].z);
pointCount += 2;
faceDirection.y -= 1f;
}
if ((aboveDiagonal.faces&2) != 0) //down face (of diagonal) shares with target, east, and north
{
vectorSum = vectorSum + new Vector3 (relativeOffsets [4].x, 0, relativeOffsets [4].z) + new Vector3 (relativeOffsets [5].x, 0, relativeOffsets [5].z);
pointCount += 2;
faceDirection.y -= 1f;
}
else if((diagonal.faces&1) != 0) //face up of below the diagonal shares same
{
vectorSum = vectorSum + new Vector3 (relativeOffsets [4].x, 0, relativeOffsets [4].z) + new Vector3 (relativeOffsets [5].x, 0, relativeOffsets [5].z);
pointCount += 2;
faceDirection.y += 1f;
}
if ((aboveNorth.faces&2) != 0) //bottom face shares with point north and point west
{
vectorSum = vectorSum + new Vector3 (relativeOffsets [5].x, 0, relativeOffsets [5].z) + new Vector3 (relativeOffsets [3].x, 0, relativeOffsets [3].z);
pointCount += 2;
faceDirection.y -= 1f;
}
else if((north.faces&1) != 0) { //(face up of north shares same points)
vectorSum = vectorSum + new Vector3 (relativeOffsets [5].x, 0, relativeOffsets [5].z) + new Vector3 (relativeOffsets [3].x, 0, relativeOffsets [3].z);
pointCount += 2;
faceDirection.y += 1f;
}
if ((aboveEast.faces&2) != 0) //down face of east shares with target, east, and south
{
vectorSum = vectorSum + new Vector3 (relativeOffsets [4].x, 0, relativeOffsets [4].z) + new Vector3 (relativeOffsets [6].x, 0, relativeOffsets [6].z);
pointCount += 2;
faceDirection.y -= 1f;
}
else if((east.faces&1) != 0) //face up of east same
{
vectorSum = vectorSum + new Vector3 (relativeOffsets [4].x, 0, relativeOffsets [4].z) + new Vector3 (relativeOffsets [6].x, 0, relativeOffsets [6].z);
pointCount += 2;
faceDirection.y += 1f;
}
////faces on top and bottom
if ((target.faces&4) != 0) //north face is shared with bottom point and west point it is also north's south face
{
vectorSum = vectorSum + new Vector3 (relativeOffsets [2].x, relativeOffsets [2].y, 0) + new Vector3 (relativeOffsets [3].x, relativeOffsets [3].y, 0);
pointCount += 2;
faceDirection.z += 1f;
}
else if((north.faces&8) != 0) //south face of the north block
{
vectorSum = vectorSum + new Vector3 (relativeOffsets [2].x, relativeOffsets [2].y, 0) + new Vector3 (relativeOffsets [3].x, relativeOffsets [3].y, 0);
pointCount += 2;
faceDirection.z -= 1f;
}
if ((aboveDiagonal.faces&8) != 0) //south facing (of diagonal) shares the face with target, and target east, and above target
{
vectorSum = vectorSum + new Vector3 (relativeOffsets [4].x, relativeOffsets [4].y, 0) + new Vector3 (relativeOffsets [1].x, relativeOffsets [1].y, 0);
pointCount += 2;
faceDirection.z -= 1f;
}
else if((aboveEast.faces&4) != 0) //north face of above east
{
vectorSum = vectorSum + new Vector3 (relativeOffsets [4].x, relativeOffsets [4].y, 0) + new Vector3 (relativeOffsets [1].x, relativeOffsets [1].y, 0);
pointCount += 2;
faceDirection.z += 1f;
}
if ((east.faces&4) != 0) //north face of east is shared with bottom point and east point
{
vectorSum = vectorSum + new Vector3 (relativeOffsets [2].x, relativeOffsets [2].y, 0) + new Vector3 (relativeOffsets [4].x, relativeOffsets [4].y, 0);
pointCount += 2;
faceDirection.z += 1f;
}
else if((diagonal.faces&8) != 0) //south face of block below diagonal
{
vectorSum = vectorSum + new Vector3 (relativeOffsets [2].x, relativeOffsets [2].y, 0) + new Vector3 (relativeOffsets [4].x, relativeOffsets [4].y, 0);
pointCount += 2;
faceDirection.z -= 1f;
}
if ((aboveNorth.faces&8) != 0) //south facing of aboveNorth shares the face with aboveTarget
{
vectorSum = vectorSum + new Vector3 (relativeOffsets [3].x, relativeOffsets [3].y, 0) + new Vector3 (relativeOffsets [1].x, relativeOffsets [1].y, 0);
pointCount += 2;
faceDirection.z -= 1f;
}
else if((above.faces&4) != 0) //north face of above
{
vectorSum = vectorSum + new Vector3 (relativeOffsets [3].x, relativeOffsets [3].y, 0) + new Vector3 (relativeOffsets [1].x, relativeOffsets [1].y, 0);
pointCount += 2;
faceDirection.z += 1f;
}
////faces on north and south
if ((target.faces&16) != 0) //east face of target is shared with bottom and south points
{
vectorSum = vectorSum + new Vector3(0, relativeOffsets [2].y, relativeOffsets [2].z) + new Vector3(0, relativeOffsets [6].y, relativeOffsets [6].z) ;
pointCount += 2;
faceDirection.x += 1f;
}
else if((east.faces&32) != 0) //it is also the west face of east point
{
vectorSum = vectorSum + new Vector3(0, relativeOffsets [2].y, relativeOffsets [2].z) + new Vector3(0, relativeOffsets [6].y, relativeOffsets [6].z) ;
pointCount += 2;
faceDirection.x -= 1f;
}
if ((aboveDiagonal.faces&32) != 0) //west facing (of diagonal) shares target, north and above points
{
vectorSum = vectorSum + new Vector3(0, relativeOffsets [5].y, relativeOffsets [5].z) + new Vector3(0, relativeOffsets [1].y, relativeOffsets [1].z) ;
pointCount += 2;
faceDirection.x -= 1f;
}
else if((aboveNorth.faces&16) != 0) //east face of above north is same points
{
vectorSum = vectorSum + new Vector3(0, relativeOffsets [5].y, relativeOffsets [5].z) + new Vector3(0, relativeOffsets [1].y, relativeOffsets [1].z) ;
pointCount += 2;
faceDirection.x += 1f;
}
if ((north.faces&16) != 0) //east face of north block is shared with bottom and north points
{
vectorSum = vectorSum + new Vector3(0, relativeOffsets [2].y, relativeOffsets [2].z) + new Vector3(0, relativeOffsets [5].y, relativeOffsets [5].z) ;
pointCount += 2;
faceDirection.x += 1f;
}
else if((diagonal.faces&32) != 0) //it is also the west face of belowDiagonal
{
vectorSum = vectorSum + new Vector3(0, relativeOffsets [2].y, relativeOffsets [2].z) + new Vector3(0, relativeOffsets [5].y, relativeOffsets [5].z) ;
pointCount += 2;
faceDirection.x -= 1f;
}
if ((aboveEast.faces&32) != 0) //west facing (of aboveeast) shares target, south and above points
{
vectorSum = vectorSum + new Vector3(0, relativeOffsets [6].y, relativeOffsets [6].z) + new Vector3(0, relativeOffsets [1].y, relativeOffsets [1].z) ;
pointCount += 2;
faceDirection.x -= 1f;
}
else if((above.faces&16) != 0) //east face of above is same points
{
vectorSum = vectorSum + new Vector3(0, relativeOffsets [6].y, relativeOffsets [6].z) + new Vector3(0, relativeOffsets [1].y, relativeOffsets [1].z) ;
pointCount += 2;
faceDirection.x += 1f;
}
strength = 0.45f;
Vector3 vectorAverage = vectorSum / pointCount;
faceDirection = Vector3.Min (Vector3.Max (faceDirection, new Vector3 (-1f, -1f, -1f)), new Vector3 (1f, 1f, 1f));
//offsets [0] = Vector3.Min (Vector3.Max ((offsets [0] * (1 - strength)) + (vectorAverage * strength), Vector3.zero), Vector3.one);
offsets [0] = offsets [0] + (vectorAverage*strength) + (faceDirection*additive);//((offsets [0] * (1f - strength)) + (vectorAverage * strength));
// Debug.Log (vectorSum);
// Debug.Log (pointCount);
// Debug.Log (offsets [0]);
//trying - if we have moved against the face, we have decreased
//if we have moved with the face, we have increased
//now how do we compare the direction with our landing???
Block newBlock;
Vector3 landingf = new Vector3 ((position.x + offsets [0].x), (position.y + offsets [0].y), (position.z + offsets [0].z));
WorldPos landing = new WorldPos ((int)landingf.x, (int)landingf.y, (int)landingf.z);
bool outside = false;
// newBlock = world.GetBlock (landing.x, landing.y, landing.z);
//
// if ((offsets [0].y) > 1.1f) { //we have moved up (landing is > position
// newBlock.material = target.material;
// } else if ((offsets [0].y) < -0.1f) { //we are moving down
// target.material = blocks [2].material;
// }
// if ((offsets [0].x) > 1.1f) { //we moved east
// newBlock.material = target.material;
// } else if ((offsets [0].x) < -0.1f) { //we moved west
// target.material = blocks [3].material;
// }
// if ((offsets [0].z) > 1.1f) { //we moved forward (north)
// newBlock.material = target.material;
// } else if ((offsets [0].z) < -0.1f) { //we moved south
// target.material = blocks [6].material;
// }
//
// if (outside) { //if you follow the code, you see that sometimes the material is not changed, but just the offsets of the landing block
// newBlock.ClipOffset (offsets [0]); //sets as the remainder of the offset
// world.SetBlock (landing.x, landing.y, landing.z, newBlock);
// }
target.SnapOffset (offsets [0]);
world.SetBlock (position.x, position.y, position.z, target);
}
