void GenerateFreshMap()
{
vertexHeightmap = HeightmapGenerator.GenerateHeightmap(mapSize);
GenerateTerrain();
// saving the map
MapEncoder.instance.SetHeightMap(vertexHeightmap);
MapEncoder.instance.SaveMapToFile();
}
public TerrainData Generate()
{
CreateMeshComponents();
var numTilesPerLine = Mathf.CeilToInt(worldSize);
var min = centralize ? -numTilesPerLine / 2f : 0;
var map = HeightmapGenerator.GenerateHeightmap(terrainNoise, numTilesPerLine);
var vertices = biomes.Select(_ => new List <Vector3>()).ToArray();
var triangles = biomes.Select(_ => new List <int>()).ToArray();
var terrainData = new TerrainData(numTilesPerLine);
var colors = biomes.Select(_ => new List <Color>()).ToArray();
for (var y = 0; y < numTilesPerLine; y++)
{
for (var x = 0; x < numTilesPerLine; x++)
{
var biomeAndStep = GetBiomeInfo(map[x, y]);
var biomeIndex = (int)biomeAndStep.x;
var biome = biomes[biomeIndex];
terrainData.BiomeIndices[x, y] = biomeIndex;
terrainData.BiomesStep[x, y] = biomeAndStep.y;
terrainData.Depths[x, y] = biomeIndex > 0 ? Mathf.Lerp(biomes[biomeIndex - 1].maxTerrainHeight, biome.maxTerrainHeight, biomeAndStep.y) : 0f;
}
}
// Bridge gaps between water and land tiles, and also fill in sides of map
for (var y = 0; y < numTilesPerLine; y++)
{
for (var x = 0; x < numTilesPerLine; x++)
{
var biomeIndex = terrainData.BiomeIndices[x, y];
var biome = biomes[biomeIndex];
var step = terrainData.BiomesStep[x, y];
var color = Color.Lerp(biome.startColor, biome.endColor, step);
var height = terrainData.Depths[x, y];
var vertexCount = vertices[biomeIndex].Count;
var topRight = new Vector3(min + x - 0.5f, GetCornerHeight(terrainData, x, y, -1, -1), min + y - 0.5f);
var topLeft = new Vector3(min + x + 0.5f, GetCornerHeight(terrainData, x, y, 1, -1), min + y - 0.5f);
var bottomRight = new Vector3(min + x - 0.5f, GetCornerHeight(terrainData, x, y, -1, 1), min + y + 0.5f);
var bottomLeft = new Vector3(min + x + 0.5f, GetCornerHeight(terrainData, x, y, 1, 1), min + y + 0.5f);
vertices[biomeIndex].AddRange(new[]
{
topLeft,
topRight,
bottomRight,
bottomLeft
});
colors[biomeIndex].AddRange(new[]
{
color,
color,
color,
color
});
triangles[biomeIndex].AddRange(new[]
{
vertexCount + 0, vertexCount + 1, vertexCount + 2,
vertexCount + 0, vertexCount + 2, vertexCount + 3,
});
}
}
for (var biomeIndex = 0; biomeIndex < biomes.Length; biomeIndex++)
{
var mesh = _meshes[biomeIndex];
mesh.SetVertices(vertices[biomeIndex]);
mesh.SetTriangles(triangles[biomeIndex], 0, true);
mesh.SetColors(colors[biomeIndex]);
mesh.Optimize();
mesh.RecalculateNormals();
mesh.RecalculateTangents();
mesh.RecalculateBounds();
_meshRenderers[biomeIndex].sharedMaterial = biomes[biomeIndex].material;
}
return(terrainData);
}