public void AddChunk(TerrainChunk chunk, int start_x, int start_y, AddMode mode = AddMode.Add) {
int minWidth = Mathf.Min(chunk.data.GetLength(0), this.data.GetLength(0) - start_x);
int minHeight = Mathf.Min(chunk.data.GetLength(1), this.data.GetLength(1) - start_y);
float centerValue = this.data[start_x + chunk.GetWidth() / 2, start_y + chunk.GetHeight() / 2];
for (int x = 0; x < minWidth; x++) {
for (int y = 0; y < minHeight; y++) {
int xc = start_x + x;
int yc = start_y + y;
if (xc < 0 || yc < 0) {
continue;
}
switch (mode) {
case AddMode.Add:
this.data[xc, yc] = this.data[xc, yc] + chunk.data[x, y];
if (chunk.data[x, y] != 0) {
for (int layer = 0; layer < TEXTURE_COUNT; layer++) {
this.textureData[xc, yc, layer] = this.textureData[xc, yc, layer] + chunk.textureData[x, y, layer] * 4;
}
}
break;
case AddMode.Max:
if (chunk.data[x, y] != 0 && chunk.data[x, y] > this.data[xc, yc]) {
for (int layer = 0; layer < TEXTURE_COUNT; layer++) {
this.textureData[xc, yc, layer] = chunk.textureData[x, y, layer];
}
}
this.data[xc, yc] = Mathf.Max(this.data[xc, yc], chunk.data[x, y]);
break;
case AddMode.Min:
this.data[xc, yc] = Mathf.Min(this.data[xc, yc], chunk.data[x, y]);
break;
case AddMode.RelaMin:
this.data[xc, yc] = Mathf.Min(this.data[xc, yc], centerValue - chunk.data[x, y]);
break;
}
}
}
}
public void AddChunkAtPoints(TerrainPoint[] points, TerrainChunk chunk, AddMode mode = AddMode.Add) {
for (int i = 0; i < points.Length; i++) {
int x = points[i].x;
int y = points[i].y;
this.AddChunk(chunk, x - chunk.GetWidth() / 2, y - chunk.GetHeight() / 2, mode);
}
}
