public override void Apply(Vector2Int userNode, GridTerrainData terrainData, NodeAction action)
{
var userNodeValue = terrainData[userNode.x, userNode.y];
for (int x = 0; x < terrainData.Width; x++)
{
for (int y = 0; y < terrainData.Height; y++)
{
action(userNode, userNodeValue, new Vector2Int(x, y), terrainData);
}
}
}
public override void Apply(Vector2Int userNode, GridTerrainData terrainData, NodeAction action)
{
var userNodeValue = terrainData[userNode.x, userNode.y];
for (int x = Mathf.Max(userNode.x - _paintRadius, 0); x < Mathf.Min(userNode.x + _paintRadius + 1, terrainData.Width); x++)
{
for (int y = Mathf.Max(userNode.y - _paintRadius, 0); y < Mathf.Min(userNode.y + _paintRadius + 1, terrainData.Height); y++)
{
action(userNode, userNodeValue, new Vector2Int(x, y), terrainData);
}
}
}
private static void LevelHeightAction(Vector2Int userNode, int userNodeValue, Vector2Int currentNode, GridTerrainData editCopy)
{
editCopy[currentNode.x, currentNode.y] = userNodeValue;
}
private void SetHeightAction(Vector2Int userNode, int userNodeValue, Vector2Int currentNode, GridTerrainData editCopy)
{
editCopy[currentNode.x, currentNode.y] = _setHeight;
}
private void RandomHeightAction(Vector2Int userNode, int userNodeValue, Vector2Int currentNode, GridTerrainData editCopy)
{
var height = Mathf.PerlinNoise(currentNode.x * _randScale.x, currentNode.y * _randScale.y) * _randStrength;
height = (height) * (_randMaxHeight - _randMinHeight) + _randMinHeight;
var intHeight = Mathf.Clamp(Mathf.RoundToInt(height), _randMinHeight, _randMaxHeight);
editCopy[currentNode.x, currentNode.y] = intHeight;
}
private static void DecreaseHeightAction(Vector2Int userNode, int userNodeValue, Vector2Int currentNode, GridTerrainData editCopy)
{
editCopy[currentNode.x, currentNode.y]--;
}
/// <summary> /// Applies the brush to the given nodes. /// </summary> /// <param name="userNode">The node the user is clicking on</param> /// <param name="nodes">The serialized node array</param> /// <param name="terrain">The terrain object being edited, modify directly!</param> /// <param name="invert">When true the brush should function inverted, so lower terrain for example</param> public abstract void Apply(Vector2Int userNode, GridTerrainData terrainData, NodeAction action);
public override void Apply(Vector2Int userNode, GridTerrainData terrainData, NodeAction action)
{
var nodesToCheck = new Queue <Vector2Int>();
var checkedNodes = new HashSet <Vector2Int>();
nodesToCheck.Enqueue(userNode);
int guard = 0;
var userNodeValue = terrainData[userNode.x, userNode.y];
while (nodesToCheck.Count > 0 && guard < terrainData.Width * terrainData.Height)
{
var currentNode = nodesToCheck.Dequeue();
if (checkedNodes.Contains(currentNode))
{
// It is possible for a node to be added multiple times to the queue
continue;
}
// Apply the action to this node
action(userNode, userNodeValue, currentNode, terrainData);
// Find neighbours that we need to add
checkedNodes.Add(currentNode);
Vector2Int relLeft, relTopLeft, relBottomLeft, relRight, relTopRight, relBottomRight, relTop, relBottom;
bool left = false, right = false, top = false, bottom = false;
if (currentNode.x >= 1)
{
left = true;
}
if (currentNode.x < terrainData.Width - 1)
{
right = true;
}
if (currentNode.y >= 1)
{
bottom = true;
}
if (currentNode.y < terrainData.Height - 1)
{
top = true;
}
relLeft = currentNode + Left;
relTopLeft = currentNode + TopLeft;
relBottomLeft = currentNode + BottomLeft;
relRight = currentNode + Right;
relTopRight = currentNode + TopRight;
relBottomRight = currentNode + BottomRight;
relTop = currentNode + Top;
relBottom = currentNode + Bottom;
if (left &&
!checkedNodes.Contains(relLeft) &&
terrainData[relLeft.x, relLeft.y] == userNodeValue)
{
nodesToCheck.Enqueue(relLeft);
}
if (left &&
top &&
!checkedNodes.Contains(relTopLeft) &&
terrainData[relTopLeft.x, relTopLeft.y] == userNodeValue)
{
nodesToCheck.Enqueue(relTopLeft);
}
if (left &&
bottom &&
!checkedNodes.Contains(relBottomLeft) &&
terrainData[relBottomLeft.x, relBottomLeft.y] == userNodeValue)
{
nodesToCheck.Enqueue(relBottomLeft);
}
if (right &&
!checkedNodes.Contains(relRight) &&
terrainData[relRight.x, relRight.y] == userNodeValue)
{
nodesToCheck.Enqueue(relRight);
}
if (right &&
top &&
!checkedNodes.Contains(relTopRight) &&
terrainData[relTopRight.x, relTopRight.y] == userNodeValue)
{
nodesToCheck.Enqueue(relTopRight);
}
if (right &&
bottom &&
!checkedNodes.Contains(relBottomRight) &&
terrainData[relBottomRight.x, relBottomRight.y] == userNodeValue)
{
nodesToCheck.Enqueue(relBottomRight);
}
if (top &&
!checkedNodes.Contains(relTop) &&
terrainData[relTop.x, relTop.y] == userNodeValue)
{
nodesToCheck.Enqueue(relTop);
}
if (bottom &&
!checkedNodes.Contains(relBottom) &&
terrainData[relBottom.x, relBottom.y] == userNodeValue)
{
nodesToCheck.Enqueue(relBottom);
}
guard++;
}
}
