public void AddCell(Vector2i cellInGroup)
{
Vector2i cell = cellInGroup + groupPosition;
Vector2i position = groupPosition + cellInGroup;
SampledData2i data = options.ImageSampler.Sample(options.Image, cell);
int minusXres_x1y0 = options.ImageSampler.SampleX1Y0(options.Image, new Vector2i(cell.x - 1, cell.y - 0));
int minusXres_x1y1 = options.ImageSampler.SampleX1Y1(options.Image, new Vector2i(cell.x - 1, cell.y - 0));
int minusYres_x0y1 = options.ImageSampler.SampleX0Y1(options.Image, new Vector2i(cell.x - 0, cell.y - 1));
int minusYres_x1y1 = options.ImageSampler.SampleX1Y1(options.Image, new Vector2i(cell.x - 0, cell.y - 1));
// Debug.Log($"{minusXres_x1y0} {minusXres_x1y1}");
var pos_x0y0 = new Vector3i(position.x, position.y, data.x0y0);
var pos_x0y1 = new Vector3i(position.x, position.y + 1, data.x0y1);
var pos_x1y0 = new Vector3i(position.x + 1, position.y, data.x1y0);
var pos_x1y1 = new Vector3i(position.x + 1, position.y + 1, data.x1y1);
var pos_x0y0_lowerY = new Vector3i(position.x, position.y, minusXres_x1y0);
var pos_x0y1_lowerY = new Vector3i(position.x, position.y + 1, minusXres_x1y1);
var pos_x0y0_lowerX = new Vector3i(position.x, position.y, minusYres_x0y1);
var pos_x1y0_lowerX = new Vector3i(position.x + 1, position.y, minusYres_x1y1);
mesh.AddQuad(cellInGroup, pos_x0y0, pos_x0y1, pos_x1y0, pos_x1y1, IsFlipped(data));
mesh.AddWallY(cellInGroup, pos_x0y0, pos_x0y1, pos_x0y1_lowerY, pos_x0y0_lowerY);
mesh.AddWallX(cellInGroup, pos_x1y0, pos_x0y0, pos_x0y0_lowerX, pos_x1y0_lowerX);
}
public SampledData2i Process(SampledData2i sampleData)
{
int height = sampleData.Max - 1;
SampledData2i normalizedHeightData = new SampledData2i(Math.Max(sampleData.x0y0 - height, -1),
Math.Max(sampleData.x0y1 - height, -1),
Math.Max(sampleData.x1y0 - height, -1),
Math.Max(sampleData.x1y1 - height, -1));
SampledData2i choosenTemplateTile = TileMap[normalizedHeightData];
return(choosenTemplateTile + height);
}
private bool IsFlipped(SampledData2i sampleData)
{
var difMain = Mathf.Abs(sampleData.x0y0 - sampleData.x1y1);
var difMinor = Mathf.Abs(sampleData.x1y0 - sampleData.x0y1);
bool flip;
if (difMain == difMinor)
{
var sumMain = sampleData.x0y0 + sampleData.x1y1;
var sumMinor = sampleData.x1y0 + sampleData.x0y1;
flip = sumMain < sumMinor;
}
else
{
flip = difMain < difMinor;
}
return(flip);
}
