void UpdateHeights(GridDungeonModel model)
{
if (terrain == null || terrain.terrainData == null)
{
return;
}
var rasterizer = new LandscapeDataRasterizer(terrain, groundLevelHeight);
rasterizer.LoadData();
var gridSize = model.Config.GridCellSize;
// Raise the terrain
foreach (var cell in model.Cells)
{
var locationGrid = cell.Bounds.Location;
var location = locationGrid * gridSize;
var size = cell.Bounds.Size * gridSize;
var cellY = location.y + layoutLevelOffset;
rasterizer.DrawCell(location.x, location.z, size.x, size.z, cellY);
}
// Smooth the terrain
foreach (var cell in model.Cells)
{
var locationGrid = cell.Bounds.Location;
var location = locationGrid * gridSize;
var size = cell.Bounds.Size * gridSize;
var cellY = location.y + layoutLevelOffset;
var curve = (cell.CellType == CellType.Room) ? roomElevationCurve : corridorElevationCurve;
rasterizer.SmoothCell(location.x, location.z, size.x, size.z, cellY, smoothingDistance, curve);
}
rasterizer.SaveData();
}
/// <summary>
/// Gets the height of the terrain at the specified world space
/// </summary>
/// <param name="terrain">The terrain object</param>
/// <param name="worldX">X cooridnate in world space</param>
/// <param name="worldZ">Z cooridnate in world space</param>
/// <returns>The Y height of the terrain at the specified location</returns>
public static float GetHeight(Terrain terrain, float worldX, float worldZ)
{
int gx, gy;
LandscapeDataRasterizer.WorldToTerrainCoord(terrain, worldX, worldZ, out gx, out gy);
var height = terrain.terrainData.GetHeight(gx, gy);
return(height + terrain.transform.position.y);
}
void UpdateBaseTexture(GridDungeonModel model, float[,,] map)
{
if (terrain == null)
{
return;
}
int fillIndex = GetTextureIndex(LandscapeTextureType.Fill);
if (fillIndex < 0)
{
return;
}
var data = terrain.terrainData;
// Fill up the entire space with the fill texture
for (var y = 0; y < data.alphamapHeight; y++)
{
for (var x = 0; x < data.alphamapWidth; x++)
{
for (int t = 0; t < textures.Length; t++)
{
var ratio = (t == fillIndex) ? 1 : 0;
map[y, x, t] = ratio;
}
}
}
int roadIndex = GetTextureIndex(LandscapeTextureType.Corridor);
if (roadIndex >= 0)
{
var gridSize = model.Config.GridCellSize;
var layoutMap = new float[map.GetLength(0), map.GetLength(1)];
foreach (var cell in model.Cells)
{
var bounds = cell.Bounds;
var locationGrid = bounds.Location;
var location = locationGrid * gridSize;
var size = bounds.Size * gridSize;
int gx1, gy1, gx2, gy2;
LandscapeDataRasterizer.WorldToTerrainTextureCoord(terrain, location.x, location.z, out gx1, out gy1);
LandscapeDataRasterizer.WorldToTerrainTextureCoord(terrain, location.x + size.x, location.z + size.z, out gx2, out gy2);
for (var gx = gx1; gx <= gx2; gx++)
{
for (var gy = gy1; gy <= gy2; gy++)
{
layoutMap[gy, gx] = 1;
}
}
}
// Blur the layout data
var filter = new BlurFilter(roadBlurDistance);
layoutMap = filter.ApplyFilter(layoutMap);
// Fill up the inner region with corridor index
for (var y = 0; y < data.alphamapHeight; y++)
{
for (var x = 0; x < data.alphamapWidth; x++)
{
bool corridor = (layoutMap[y, x] > corridorBlurThreshold);
if (corridor)
{
map[y, x, roadIndex] = 1;
map[y, x, fillIndex] = 0;
}
}
}
}
}