| public SetAlphamaps ( int x, int y, float map ) : void | ||
| x | int | |
| y | int | |
| map | float | |
| return | void | |
private static void ApplyTexturesToNewTerrain(TerrainData terrainData, TextureData data)
{
if (data.ControlTextureResolution != terrainData.alphamapResolution)
{
data.AdjustSplatMapResolution(terrainData.alphamapResolution);
}
terrainData.SetAlphamaps(0, 0, data.SplatMaps);
}
/// <summary>
/// Creates terrain data from heights.
/// </summary>
/// <param name="heightPercents">Terrain height percentages ranging from 0 to 1.</param>
/// <param name="maxHeight">The maximum height of the terrain, corresponding to a height percentage of 1.</param>
/// <param name="heightSampleDistance">The horizontal/vertical distance between height samples.</param>
/// <param name="splatPrototypes">The textures used by the terrain.</param>
/// <param name="alphaMap">Texture blending information.</param>
/// <returns>A TerrainData instance.</returns>
public static TerrainData CreateTerrainData(float[,] heightPercents, float maxHeight, float heightSampleDistance, SplatPrototype[] splatPrototypes, float[,,] alphaMap)
{
Debug.Assert((heightPercents.GetLength(0) == heightPercents.GetLength(1)) && (maxHeight >= 0) && (heightSampleDistance >= 0));
// Create the TerrainData.
var terrainData = new TerrainData();
terrainData.heightmapResolution = heightPercents.GetLength(0);
var terrainWidth = (terrainData.heightmapResolution - 1) * heightSampleDistance;
// If maxHeight is 0, leave all the heights in terrainData at 0 and make the vertical size of the terrain 1 to ensure valid AABBs.
if(!Mathf.Approximately(maxHeight, 0))
{
terrainData.size = new Vector3(terrainWidth, maxHeight, terrainWidth);
terrainData.SetHeights(0, 0, heightPercents);
}
else
{
terrainData.size = new Vector3(terrainWidth, 1, terrainWidth);
}
// Texture the terrain.
if((splatPrototypes != null) && (alphaMap != null))
{
Debug.Assert(alphaMap.GetLength(0) == alphaMap.GetLength(1));
terrainData.alphamapResolution = alphaMap.GetLength(0);
terrainData.splatPrototypes = splatPrototypes;
terrainData.SetAlphamaps(0, 0, alphaMap);
}
return terrainData;
}
void Start()
{
terr = Terrain.activeTerrain.terrainData;
splatData = new float[terr.alphamapWidth, terr.alphamapHeight, terr.alphamapLayers];
for(int x = 0; x < terr.alphamapWidth; x++)
{
for(int y = 0; y < terr.alphamapHeight; y++)
{
splatData[x, y, 0] = 1;
splatData[x, y, 1] = 0;
}
}
terr.SetAlphamaps(0, 0, splatData);
}
internal static void RemoveSplatTexture(TerrainData terrainData, int index)
{
Undo.RegisterCompleteObjectUndo((Object) terrainData, "Remove texture");
int alphamapWidth = terrainData.alphamapWidth;
int alphamapHeight = terrainData.alphamapHeight;
float[,,] alphamaps = terrainData.GetAlphamaps(0, 0, alphamapWidth, alphamapHeight);
int length1 = alphamaps.GetLength(2);
int length2 = length1 - 1;
float[,,] map = new float[alphamapHeight, alphamapWidth, length2];
for (int index1 = 0; index1 < alphamapHeight; ++index1)
{
for (int index2 = 0; index2 < alphamapWidth; ++index2)
{
for (int index3 = 0; index3 < index; ++index3)
map[index1, index2, index3] = alphamaps[index1, index2, index3];
for (int index3 = index + 1; index3 < length1; ++index3)
map[index1, index2, index3 - 1] = alphamaps[index1, index2, index3];
}
}
for (int index1 = 0; index1 < alphamapHeight; ++index1)
{
for (int index2 = 0; index2 < alphamapWidth; ++index2)
{
float num1 = 0.0f;
for (int index3 = 0; index3 < length2; ++index3)
num1 += map[index1, index2, index3];
if ((double) num1 >= 0.01)
{
float num2 = 1f / num1;
for (int index3 = 0; index3 < length2; ++index3)
map[index1, index2, index3] *= num2;
}
else
{
for (int index3 = 0; index3 < length2; ++index3)
map[index1, index2, index3] = index3 != 0 ? 0.0f : 1f;
}
}
}
SplatPrototype[] splatPrototypes = terrainData.splatPrototypes;
SplatPrototype[] splatPrototypeArray = new SplatPrototype[splatPrototypes.Length - 1];
for (int index1 = 0; index1 < index; ++index1)
splatPrototypeArray[index1] = splatPrototypes[index1];
for (int index1 = index + 1; index1 < length1; ++index1)
splatPrototypeArray[index1 - 1] = splatPrototypes[index1];
terrainData.splatPrototypes = splatPrototypeArray;
terrainData.SetAlphamaps(0, 0, map);
}
public override void OnInspectorGUI()
{
DrawDefaultInspector();
if (GUILayout.Button("Generuj"))
{
var terrainData = new TerrainData { heightmapResolution = 65, size = new Vector3(50f, 20f, 50f) };
int xSize = terrainData.heightmapHeight;
int zSize = terrainData.heightmapWidth;
const float noiseScale = 1.5f;
var heights = terrainData.GetHeights(0, 0, xSize, zSize);
float[][] noise = PerlinTools.GeneratePerlinNoise(xSize, zSize, 8);
for (var x = 0; x < terrainData.heightmapHeight; x++)
{
for (var z = 0; z < terrainData.heightmapWidth; z++)
{
heights[x, z] = noise[x][z] * noiseScale;
}
}
terrainData.SetHeights(0, 0, heights);
var tekstura = Resources.Load<Texture2D>(
"prototype_textures/Textures/proto_blue");
if (tekstura != null)
{
var sp = new SplatPrototype[1];
sp[0] = new SplatPrototype{texture = tekstura};
terrainData.splatPrototypes = sp;
var alphamaps = new float[xSize, zSize, sp.Length];
for(int ax = 0; ax < xSize; ++ax)
for(int az = 0; az < zSize; ++az)
for (int tex = 0; tex < sp.Length; ++tex)
alphamaps[ax, az, tex] = Math.Abs(Mathf.Sin(ax*1.2f + az*1.3f));
terrainData.SetAlphamaps(0, 0, alphamaps);
}
GameObject terrain = Terrain.CreateTerrainGameObject(terrainData);
}
/*
_Terrain.terr = Terrain.activeTerrain;
hmWidth = terr.terrainData.heightmapWidth;
hmHeight = terr.terrainData.heightmapHeight;
Terrain.activeTerrain.heightmapMaximumLOD = 0;
// get the heights of the terrain under this game object
float[,] heights = terr.terrainData.GetHeights(0, 0, hmWidth, hmHeight);
// we set each sample of the terrain in the size to the desired height
//for (int i=0; i<hmWidth; i++)
//for (int j=0; j<hmHeight; j++){
//heights[i,j] = (Mathf.Sin(i/10f)/100f + Mathf.Cos((i+j)/10f) / 100f) + 0.5f;
float[][] mapa = PerlinTools.GeneratePerlinNoise(hmWidth, hmHeight, 4);
for (int x = 0; x < hmWidth; ++x)
for (int z = 0; z < hmHeight; ++z)
{
heights[x, z] = mapa[x][z] / 1000f;
}
//print(heights[i,j]);
//}
// set the new height
terr.terrainData.SetHeights(0, 0, heights);
*/
}
/// <summary>
/// Read the data into the specified value.
/// </summary>
/// <param name="value">Value.</param>
/// <param name="reader">Reader.</param>
public override void ReadInto(object value, ISaveGameReader reader)
{
UnityEngine.TerrainData terrainData = (UnityEngine.TerrainData)value;
foreach (string property in reader.Properties)
{
switch (property)
{
case "alphamaps":
terrainData.SetAlphamaps(0, 0, reader.ReadProperty <float [, , ]> ());
break;
case "heights":
terrainData.SetHeights(0, 0, reader.ReadProperty <float [, ]> ());
break;
case "heightmapResolution":
terrainData.heightmapResolution = reader.ReadProperty <System.Int32> ();
break;
case "size":
terrainData.size = reader.ReadProperty <UnityEngine.Vector3> ();
break;
case "thickness":
terrainData.thickness = reader.ReadProperty <System.Single> ();
break;
case "wavingGrassStrength":
terrainData.wavingGrassStrength = reader.ReadProperty <System.Single> ();
break;
case "wavingGrassAmount":
terrainData.wavingGrassAmount = reader.ReadProperty <System.Single> ();
break;
case "wavingGrassSpeed":
terrainData.wavingGrassSpeed = reader.ReadProperty <System.Single> ();
break;
case "wavingGrassTint":
terrainData.wavingGrassTint = reader.ReadProperty <UnityEngine.Color> ();
break;
case "detailPrototypes":
terrainData.detailPrototypes = reader.ReadProperty <UnityEngine.DetailPrototype []> ();
break;
case "treeInstances":
terrainData.treeInstances = reader.ReadProperty <UnityEngine.TreeInstance []> ();
break;
case "treePrototypes":
terrainData.treePrototypes = reader.ReadProperty <UnityEngine.TreePrototype []> ();
break;
case "alphamapResolution":
terrainData.alphamapResolution = reader.ReadProperty <System.Int32> ();
break;
case "baseMapResolution":
terrainData.baseMapResolution = reader.ReadProperty <System.Int32> ();
break;
case "splatPrototypes":
terrainData.splatPrototypes = reader.ReadProperty <UnityEngine.SplatPrototype []> ();
break;
case "name":
terrainData.name = reader.ReadProperty <System.String> ();
break;
case "hideFlags":
terrainData.hideFlags = reader.ReadProperty <UnityEngine.HideFlags> ();
break;
}
}
}
static public void AddSplatmaps (TerrainData data, Matrix[] matrices, int[] channels, float[] opacity, float[,,] array=null, float brushFallof=0.5f)
{
int numChannels = data.alphamapLayers;
bool[] usedChannels = new bool[numChannels];
for (int i=0; i<channels.Length; i++) usedChannels[channels[i]] = true;
float[] slice = new float[numChannels];
Coord dataSize = new Coord(data.alphamapResolution, data.alphamapResolution);
CoordRect dataRect = new CoordRect(new Coord(0,0), dataSize);
CoordRect intersection = CoordRect.Intersect(dataRect, matrices[0].rect);
if (array==null) array = data.GetAlphamaps(intersection.offset.x, intersection.offset.z, intersection.size.x, intersection.size.z);
Coord min = intersection.Min; Coord max = intersection.Max;
for (int x=min.x; x<max.x; x++)
for (int z=min.z; z<max.z; z++)
{
//calculating fallof and opacity
float fallofFactor = matrices[0].Fallof(x,z,brushFallof);
if (Mathf.Approximately(fallofFactor,0)) continue;
//reading slice
for (int c=0; c<numChannels; c++) slice[c] = array[z-min.z, x-min.x, c];
//converting matrices to additive
for (int i=0; i<matrices.Length; i++) matrices[i][x,z] = Mathf.Max(0, matrices[i][x,z] - slice[channels[i]]);
//apply fallof
for (int i=0; i<matrices.Length; i++) matrices[i][x,z] *= fallofFactor * opacity[i];
//calculating sum of adding values
float addedSum = 0; //the sum of adding channels
for (int i=0; i<matrices.Length; i++) addedSum += matrices[i][x,z];
//if (addedSum < 0.00001f) continue; //no need to do anything
//if addedsum exceeds 1 - equalizing matrices
if (addedSum > 1f)
{ for (int i=0; i<matrices.Length; i++) matrices[i][x,z] /= addedSum; addedSum=1; }
//multiplying all values on a remaining amount
float multiplier = 1-addedSum;
for (int c=0; c<numChannels; c++) slice[c] *= multiplier;
//adding matrices
for (int i=0; i<matrices.Length; i++) slice[channels[i]] += matrices[i][x,z];
//saving slice
for (int c=0; c<numChannels; c++) array[z-min.z, x-min.x, c] = slice[c];
}
data.SetAlphamaps(intersection.offset.x, intersection.offset.z, array);
}
void finalizeHeightmap(RenderedHeightmap rh)
{
TerrainData tData = new TerrainData();
tData.heightmapResolution = chunkResolution;
tData.alphamapResolution = chunkResolution;
tData.SetDetailResolution(chunkResolution*2, 1);
tData.size = new Vector3(chunkWidth, terrainHeight, chunkWidth);
tData.splatPrototypes = splats;
tData.detailPrototypes = grassProto;
tData.treePrototypes = treeProto;
tData.RefreshPrototypes();
// tree placement
tData.treeInstances = rh.treeInstances.ToArray();
/* Create and position the terrain */
GameObject terrain = Terrain.CreateTerrainGameObject(tData);
terrain.transform.position = new Vector3 (
chunkWidth * rh.coord.x,
0.0f,
chunkWidth * rh.coord.z);
/* Set the heightmap data from the background thread. */
tData.SetHeights(0, 0, rh.heightmap);
stitchTerrain(tData, rh.coord);
chunks[rh.coord] = tData;
// texturing
tData.SetAlphamaps(0, 0, rh.splatmap);
// grass placement
/*if (texturesToAffect.Length != 0) {
var detailedLayer = grassPlacement (tData.detailResolution, tData.GetAlphamaps (0, 0,
tData.alphamapWidth,
tData.alphamapHeight));
tData.SetDetailLayer (0, 0, grassType, detailedLayer);
}*/
}
public void generer(float lx, float lz)
{
this.lx = lx;
this.lz = lz;
data = terrain.terrainData;
float[, ,] alphas = data.GetAlphamaps(0, 0, data.alphamapWidth, data.alphamapHeight);
Debug.Log ("alpha width : " + data.alphamapWidth);
Debug.Log ("alpha he : " + data.alphamapWidth);
Debug.Log ("world size : " + data.size);
Debug.Log ("distance between patch X : " + data.size[0] / data.alphamapWidth);
Debug.Log ("distance between patch Y : " + data.size[1] / data.alphamapHeight);
dx = data.size [0] / data.alphamapWidth;
dz = data.size [2] / data.alphamapHeight;
for (int i = 0; i < data.alphamapWidth; i++) {
for (int j = 0; j < data.alphamapHeight; j++) {
foreach (Terrains t in Enum.GetValues(typeof(Terrains)))
{
alphas[j, i, (int) t] = 0;
}
alphas[j, i, (int) Terrains.BANQUISE] = 100;
}
}
data.SetAlphamaps(0, 0, alphas);
changeHexagoneTexture (0, 0, Terrains.BANQUISE);
}
public void Perform(TerrainData data)
{
data.SetHeights(heightsOffsetX,heightsOffsetZ,heights);
if (splats!=null) data.SetAlphamaps(splatsOffsetX,splatsOffsetZ,splats);
}
void FillAlphaMapByBiomes (TerrainData terrainData)
{
float[,,] map = new float[m_alphaMapSize, m_alphaMapSize, 15];
Random.seed = 0;
for(int x = 0; x < m_alphaMapSize; x++)
{
for (int z = 0; z < m_alphaMapSize; z++)
{
float ratio = (float)(m_heightMapSize-1)/m_alphaMapSize;
Center.BiomeTypes biome = getCenter[(int)(x*ratio),(int)(z*ratio)].biome;
for (int i=0; i< 15;i++)
map[z,x,i]= 0;
map[z,x,(int)biome]=1;
}
}
terrainData.SetAlphamaps(0, 0, map); //pridruzi alfa mapu terenu
}
internal static void RemoveSplatTexture(TerrainData terrainData, int index)
{
Undo.RegisterCompleteObjectUndo(terrainData, "Remove texture");
int alphamapWidth = terrainData.alphamapWidth;
int alphamapHeight = terrainData.alphamapHeight;
float[,,] alphamaps = terrainData.GetAlphamaps(0, 0, alphamapWidth, alphamapHeight);
int length = alphamaps.GetLength(2);
int num = length - 1;
float[,,] array = new float[alphamapHeight, alphamapWidth, num];
for (int i = 0; i < alphamapHeight; i++)
{
for (int j = 0; j < alphamapWidth; j++)
{
for (int k = 0; k < index; k++)
{
array[i, j, k] = alphamaps[i, j, k];
}
for (int l = index + 1; l < length; l++)
{
array[i, j, l - 1] = alphamaps[i, j, l];
}
}
}
for (int m = 0; m < alphamapHeight; m++)
{
for (int n = 0; n < alphamapWidth; n++)
{
float num2 = 0f;
for (int num3 = 0; num3 < num; num3++)
{
num2 += array[m, n, num3];
}
if ((double)num2 >= 0.01)
{
float num4 = 1f / num2;
for (int num5 = 0; num5 < num; num5++)
{
array[m, n, num5] *= num4;
}
}
else
{
for (int num6 = 0; num6 < num; num6++)
{
array[m, n, num6] = ((num6 != 0) ? 0f : 1f);
}
}
}
}
SplatPrototype[] splatPrototypes = terrainData.splatPrototypes;
SplatPrototype[] array2 = new SplatPrototype[splatPrototypes.Length - 1];
for (int num7 = 0; num7 < index; num7++)
{
array2[num7] = splatPrototypes[num7];
}
for (int num8 = index + 1; num8 < length; num8++)
{
array2[num8 - 1] = splatPrototypes[num8];
}
terrainData.splatPrototypes = array2;
terrainData.SetAlphamaps(0, 0, array);
}
/// <summary>
/// Remove splatprototype
/// </summary>
/// <param name="td"></param>
/// <param name="index"></param>
public static void RemoveSplatTexture(TerrainData td, int index)
{
Point size = new Point(td.alphamapWidth, td.alphamapHeight);
float[,,] alphamaps = td.GetAlphamaps(0, 0, size.x, size.y);
float[,,] newAlphaMaps = new float[alphamaps.GetLength(0), alphamaps.GetLength(1), alphamaps.GetLength(2) - 1]; // Duplicate except the removed
for (int i = 0; i < size.y; i++)
{
for (int j = 0; j < size.x; j++)
{
for (int k = 0; k < index; k++) { newAlphaMaps[i, j, k] = alphamaps[i, j, k]; }
for (int l = index + 1; l < alphamaps.GetLength(2); l++) { newAlphaMaps[i, j, l - 1] = alphamaps[i, j, l]; }
}
}
for (int i = 0; i < size.y; i++)
{
for (int j = 0; j < size.x; j++)
{
float alpha = 0f;
for (int k = 0; k < alphamaps.GetLength(2) - 1; k++) { alpha += newAlphaMaps[i, j, k]; }
if (alpha >= 0.01f) { for (int k = 0; k < alphamaps.GetLength(2) - 1; k++) { newAlphaMaps[i, j, k] *= (1.0f / alpha); } }
else { for (int k = 0; k < alphamaps.GetLength(2) - 1; k++) { newAlphaMaps[i, j, k] = ((k != 0) ? 0f : 1f); } }
}
}
SplatPrototype[] newSplat = new SplatPrototype[td.splatPrototypes.Length - 1];
for (int i = 0; i < index; i++) { newSplat[i] = td.splatPrototypes[i]; }
for (int i = index + 1; i < alphamaps.GetLength(2); i++) { newSplat[i - 1] = td.splatPrototypes[i]; }
td.splatPrototypes = newSplat;
td.SetAlphamaps(0, 0, newAlphaMaps);
}
void finalizeHeightmap(RenderedHeightmap rh) {
TerrainData tData = new TerrainData();
tData.heightmapResolution = chunkResolution;
tData.alphamapResolution = chunkResolution;
tData.size = new Vector3(chunkWidth, terrainHeight, chunkWidth);
tData.splatPrototypes = splats;
tData.RefreshPrototypes();
/* Create and position the terrain */
GameObject terrain = Terrain.CreateTerrainGameObject(tData);
terrain.transform.position = new Vector3(
chunkWidth * rh.coord.x,
0.0f,
chunkWidth * rh.coord.z);
/* Set the heightmap data from the background thread. */
tData.SetHeights(0, 0, rh.heightmap);
stitchTerrain(tData, rh.coord);
chunks[rh.coord] = tData;
// texturing
tData.SetAlphamaps(0, 0, rh.splatmap);
}
internal static void RemoveSplatTexture(TerrainData terrainData, int index)
{
Undo.RegisterCompleteObjectUndo(terrainData, "Remove texture");
int alphamapWidth = terrainData.alphamapWidth;
int alphamapHeight = terrainData.alphamapHeight;
float[,,] numArray = terrainData.GetAlphamaps(0, 0, alphamapWidth, alphamapHeight);
int length = numArray.GetLength(2);
int num4 = length - 1;
float[,,] map = new float[alphamapHeight, alphamapWidth, num4];
for (int i = 0; i < alphamapHeight; i++)
{
for (int n = 0; n < alphamapWidth; n++)
{
for (int num7 = 0; num7 < index; num7++)
{
map[i, n, num7] = numArray[i, n, num7];
}
for (int num8 = index + 1; num8 < length; num8++)
{
map[i, n, num8 - 1] = numArray[i, n, num8];
}
}
}
for (int j = 0; j < alphamapHeight; j++)
{
for (int num10 = 0; num10 < alphamapWidth; num10++)
{
float num11 = 0f;
for (int num12 = 0; num12 < num4; num12++)
{
num11 += map[j, num10, num12];
}
if (num11 >= 0.01)
{
float num13 = 1f / num11;
for (int num14 = 0; num14 < num4; num14++)
{
float single1 = map[j, num10, num14];
single1[0] *= num13;
}
}
else
{
for (int num15 = 0; num15 < num4; num15++)
{
map[j, num10, num15] = (num15 != 0) ? 0f : 1f;
}
}
}
}
SplatPrototype[] splatPrototypes = terrainData.splatPrototypes;
SplatPrototype[] prototypeArray2 = new SplatPrototype[splatPrototypes.Length - 1];
for (int k = 0; k < index; k++)
{
prototypeArray2[k] = splatPrototypes[k];
}
for (int m = index + 1; m < length; m++)
{
prototypeArray2[m - 1] = splatPrototypes[m];
}
terrainData.splatPrototypes = prototypeArray2;
terrainData.SetAlphamaps(0, 0, map);
}
void UpdateTerrainTexture( TerrainData terrainData )
{
if(disableProceduralTerrain)
return;
float[, ,] alphas = terrainData.GetAlphamaps(0, 0, terrainData.alphamapWidth, terrainData.alphamapHeight);
float alphaToHeightMapCoordsW = terrainData.heightmapWidth/terrainData.alphamapWidth;
float alphaToHeightMapCoordsH = terrainData.heightmapHeight/terrainData.alphamapHeight;
for (int i = 0; i < terrainData.alphamapWidth; i++)
{
for (int j = 0; j < terrainData.alphamapHeight; j++)
{
int hi = (int)(i*alphaToHeightMapCoordsW);
int hj = (int)(j*alphaToHeightMapCoordsH);
float terrainInterp = Mathf.Clamp((_heightMap[hi,hj] / snowHeight),0f,1f);
alphas[i, j, 0] = 1f - terrainInterp;
alphas[i, j, 1] = terrainInterp;
}
}
terrainData.SetAlphamaps(0, 0, alphas);
}
void texturizeTerrain(TerrainData terrainData, float max_altura)
{
float[, ,] map = new float[tamAlpha, tamAlpha, terrainData.alphamapLayers];
Random.seed = 0;
for (int x = 0; x < tamAlpha; x++)
{
for (int z = 0; z < tamAlpha; z++)
{
//** texturizado
float normX = x * 1.0f / (tamAlpha - 1);
float normZ = z * 1.0f / (tamAlpha - 1);
float height = terrainData.GetHeight(Mathf.RoundToInt(normX * terrainData.heightmapHeight), Mathf.RoundToInt(normZ * terrainData.heightmapWidth));
float[] splatWeights = new float[terrainData.alphamapLayers];
float peso = 0;
if (height <= max_altura * AlphaCorte1)
{
peso = height / (max_altura * AlphaCorte1);
splatWeights[0] = 1 - peso;
splatWeights[1] = peso;
}
if ((height > max_altura * AlphaCorte1) && (height <= max_altura * AlphaCorte2))
{
float altura2 = height - (max_altura * AlphaCorte1);
float maximo2 = (max_altura * AlphaCorte2) - (max_altura * AlphaCorte1);
peso = altura2 / maximo2;
splatWeights[1] = 1 - peso;
splatWeights[2] = peso;
}
if ((height > max_altura * AlphaCorte2) && (height <= max_altura))
{
float altura2 = height - (max_altura * AlphaCorte2);
float maximo2 = max_altura - (max_altura * AlphaCorte2);
peso = altura2 / maximo2;
splatWeights[2] = 1 - peso;
splatWeights[3] = peso;
}
float suma = splatWeights.Sum();
//Recorremos las texturas y las pintamos.
for (int i = 0; i < terrainData.alphamapLayers; i++)
{
splatWeights[i] /= suma;
map[z, x, i] = splatWeights[i];
}
}
}
terrainData.alphamapResolution = tamAlpha;
terrainData.SetAlphamaps(0, 0, map);
}
//конец блока нормализации
//Применяем полученый SplatMap на терейн дату
private void LoadSplats(string xvalue, string yvalue, ref TerrainData tdata)
{
if (_splats.Count > 0)
{
float[, ,] splatarray = new float[(int)_heightmapsize.x, (int)_heightmapsize.y, _splats.Count];
SplatPrototype[] prototypes = new SplatPrototype[_splats.Count];
for (int k = 0; k < _splats.Count; k++)
{
LoadSplat(_splats[k], _normals[k], k, xvalue, yvalue, ref prototypes, ref splatarray);
// Прогресс бар (тормазим работу :)
//EditorUtility.DisplayProgressBar("Importing Splat", ((k + 1)).ToString() + " Splat Files", 1);
}
if (_optionSplatMix) //Если стоит галочка нормализовать
{
NORMALIZ(ref splatarray);
}
tdata.splatPrototypes = prototypes;
tdata.SetAlphamaps(0, 0, splatarray);
prototypes = null;
splatarray = null;
System.GC.Collect(0);
}
}
/// <summary>
/// Create terrain for the given tile
/// </summary>
private Terrain CreateTerrainTile(int x, int z)
{
float height = _terrainSettings.TerrainHeight;
var centerTile = x == (_tilesX / 2) && z == (_tilesZ / 2);
//Create terrain data and set prototypes
var data = new TerrainData
{
heightmapResolution = _terrainSettings.HeightmapSize,
alphamapResolution = _terrainSettings.AlphamapSize,
size = new Vector3(_terrainSize, height, _terrainSize),
splatPrototypes = _splatPrototypes,
treePrototypes = _treePrototypes,
detailPrototypes = _detailPrototypes
};
//Generate heightmap
data.SetHeights(0, 0, GenerateHeightMap(x, z));
//create terrain gameobject and position it correctly
var xPos = _terrainSize * x + _terrainOffset.x;
var zPos = _terrainSize * z + _terrainOffset.y;
var terrain = Terrain.CreateTerrainGameObject(data).GetComponent<Terrain>();
terrain.transform.position = new Vector3(xPos, 0, zPos);
terrain.gameObject.SetParent(_terrainGameObject);
terrain.name = string.Format("tile{0}x{1}", x, z);
terrain.castShadows = false;
terrain.detailObjectDensity = _terrainSettings.GrassDensity;
terrain.detailObjectDistance = 200.0f;
terrain.treeDistance = 1000.0f;
terrain.treeBillboardDistance = 400.0f;
terrain.treeCrossFadeLength = 20.0f;
terrain.treeMaximumFullLODCount = 400;
//Generate trees
if (!centerTile)
{
//Possibly generate some lakes
var rng = Random.value;
if (_terrainSettings.GenerateLake && rng < 0.75f)
{
var it = Random.Range(1, 4);
for (int i = 0; i < it; i++)
{
//add a lake o the terrain with a random size
AddLake(terrain, x, z, Random.Range(25, 60));
}
}
var trees = GenerateTrees(data, x, z);
if (trees != null)
{
foreach (var tree in trees)
{
terrain.AddTreeInstance(tree);
}
}
}
//Generate alphamap if valid
var alphamap = GenerateAlphaMap(data);
if (alphamap != null)
{
data.SetAlphamaps(0, 0, alphamap);
}
//Generate Detailsmap if valid for every layer
var detailLayers = GenerateDetailLayers(data, x, z);
if (detailLayers != null)
{
//set some detail settings
data.SetDetailResolution(_terrainSettings.DetailMapSize, _terrainSettings.DetailResolution);
data.wavingGrassStrength = 0.1f;
data.wavingGrassAmount = 0.1f;
data.wavingGrassSpeed = 0.2f;
data.wavingGrassTint = Color.white;
for (int layer = 0; layer < detailLayers.Count; ++layer)
{
data.SetDetailLayer(0, 0, layer, detailLayers[layer]);
}
}
//make sure the changes are updated
terrain.Flush();
return terrain;
}
private void ApplyTextures(TerrainData terrainData)
{
var flatSplat = new SplatPrototype();
var steepSplat = new SplatPrototype();
flatSplat.texture = Settings.FlatTexture;
steepSplat.texture = Settings.SteepTexture;
terrainData.splatPrototypes = new SplatPrototype[]
{
flatSplat,
steepSplat
};
terrainData.RefreshPrototypes();
var splatMap = new float[terrainData.alphamapResolution, terrainData.alphamapResolution, 2];
for (var zRes = 0; zRes < terrainData.alphamapHeight; zRes++)
{
for (var xRes = 0; xRes < terrainData.alphamapWidth; xRes++)
{
var normalizedX = (float)xRes / (terrainData.alphamapWidth - 1);
var normalizedZ = (float)zRes / (terrainData.alphamapHeight - 1);
var steepness = terrainData.GetSteepness(normalizedX, normalizedZ);
var steepnessNormalized = Mathf.Clamp(steepness / 1.5f, 0, 1f);
splatMap[zRes, xRes, 0] = 1f - steepnessNormalized;
splatMap[zRes, xRes, 1] = steepnessNormalized;
}
}
terrainData.SetAlphamaps(0, 0, splatMap);
}
private void CreateLand()
{
#region Preparations
var mapData = Data.Battle["gamebody"]["map_info"]["types"];
var worldSize = realMapSize * Settings.DimensionScaleFactor;
var resolution = Mathf.RoundToInt(Mathf.Sqrt(realMapSize.x * realMapSize.y) * Settings.Terrain.Smoothness);
var terrainData = new TerrainData { heightmapResolution = Mathf.ClosestPowerOfTwo(resolution) + 1, size = new Vector3(worldSize.y, Settings.Map.HeightOfLevel[2], worldSize.x), alphamapResolution = resolution, baseMapResolution = resolution };
#endregion
#region Set Heights
float landArea = 0;
var heights = new float[terrainData.heightmapHeight, terrainData.heightmapWidth];
var mapRect = new Rect(0, 0, Data.MapSize.x, Data.MapSize.y);
for (int bumpNum = Mathf.RoundToInt(realMapSize.x * realMapSize.y / 10), i = 0; i < bumpNum; ++i)
{
var sigmaX = Random.Range(0.8f, 2) * terrainData.heightmapHeight / realMapSize.x;
var sigmaY = Random.Range(0.8f, 2) * terrainData.heightmapWidth / realMapSize.y;
var muX = Random.Range(0, terrainData.heightmapHeight);
var muY = Random.Range(0, terrainData.heightmapWidth);
var h = Random.Range(-0.6f, 0.4f);
for (var x = Mathf.Max(-muX, -Mathf.RoundToInt(sigmaX * 3)); x < Mathf.Min(terrainData.heightmapHeight - muX, Mathf.RoundToInt(sigmaX * 3)); ++x)
for (var y = Mathf.Max(-muY, -Mathf.RoundToInt(sigmaY * 3)); y < Mathf.Min(terrainData.heightmapWidth - muY, Mathf.RoundToInt(sigmaY * 3)); ++y)
heights[muX + x, muY + y] += h * Mathf.Exp(-Mathf.Pow(x / sigmaX, 2) - Mathf.Pow(y / sigmaY, 2));
}
var threshold = Settings.Map.HeightOfLevel[0] / Settings.Map.HeightOfLevel[2] * 0.8f;
for (var x = 0; x < terrainData.heightmapHeight; ++x)
for (var y = 0; y < terrainData.heightmapWidth; ++y)
{
if ((heights[x, y] += threshold / 2) > threshold)
heights[x, y] = threshold;
var i = (float)x / (terrainData.heightmapHeight - 1) * realMapSize.x - Settings.Map.MapSizeOffset.top;
var j = (1 - (float)y / (terrainData.heightmapWidth - 1)) * realMapSize.y - Settings.Map.MapSizeOffset.left;
int i0 = Mathf.FloorToInt(i), j0 = Mathf.FloorToInt(j);
float ul = 0, ur = 0, br = 0, bl = 0, di = i - i0, dj = j - j0;
if (mapRect.Contains(new Vector2(i0, j0)))
ul = mapData[i0][j0].n;
if (mapRect.Contains(new Vector2(i0, j0 + 1)))
ur = mapData[i0][j0 + 1].n;
if (mapRect.Contains(new Vector2(i0 + 1, j0 + 1)))
br = mapData[i0 + 1][j0 + 1].n;
if (mapRect.Contains(new Vector2(i0 + 1, j0)))
bl = mapData[i0 + 1][j0].n;
var height = (1 - di) * (1 - dj) * ul + (1 - di) * dj * ur + di * (1 - dj) * bl + di * dj * br;
if (Math.Abs(height) < Mathf.Epsilon)
continue;
heights[x, y] = Mathf.Max(heights[x, y], height = Mathf.Sign(height - 0.5f) * Mathf.Pow(Mathf.Abs(height * 2 - 1), 0.25f) / 2 + 0.5f);
landArea += height;
}
terrainData.SetHeights(0, 0, heights);
landArea *= realMapSize.x * realMapSize.y / (terrainData.heightmapHeight * terrainData.heightmapWidth);
#endregion
#region Paint Texture
var splatPrototypes = new SplatPrototype[splatTextures.Length];
for (var i = 0; i < splatPrototypes.Length; i++)
{
var splatPrototype = new SplatPrototype { texture = splatTextures[i], tileSize = Vector2.one * Settings.DimensionScaleFactor * 4 };
splatPrototypes[i] = splatPrototype;
}
terrainData.splatPrototypes = splatPrototypes;
var alphamapResolution = terrainData.alphamapResolution;
var alphamaps = new float[alphamapResolution, alphamapResolution, splatPrototypes.Length];
for (var i = 0; i < alphamapResolution; i++)
for (var j = 0; j < alphamapResolution; j++)
{
var height = heights[Mathf.RoundToInt((float)i / (alphamapResolution - 1) * (terrainData.heightmapHeight - 1)), Mathf.RoundToInt((float)j / (alphamapResolution - 1) * (terrainData.heightmapWidth - 1))];
alphamaps[i, j, 0] = height;
alphamaps[i, j, 1] = 1 - height;
}
terrainData.SetAlphamaps(0, 0, alphamaps);
#endregion
#region Place Trees
var treePrototypes = new TreePrototype[treePrefabs.Length];
for (var i = 0; i < treePrototypes.Length; i++)
{
var treePrototype = new TreePrototype { prefab = treePrefabs[i], bendFactor = 1 };
treePrototypes[i] = treePrototype;
}
terrainData.treePrototypes = treePrototypes;
var treeInstances = new TreeInstance[Mathf.RoundToInt(landArea * Settings.Terrain.Tree.Density)];
var range = new Vector4(Settings.Map.MapSizeOffset.right / realMapSize.y, 1 - Settings.Map.MapSizeOffset.left / realMapSize.y, Settings.Map.MapSizeOffset.top / realMapSize.x, 1 - Settings.Map.MapSizeOffset.bottom / realMapSize.x);
for (var i = 0; i < treeInstances.Length; i++)
{
var treeScale = Random.Range(0.08f, 0.16f) * Settings.DimensionScaleFactor;
Vector3 treePosition;
do
treePosition = new Vector3(Random.Range(range.x, range.y), 0, Random.Range(range.z, range.w));
while ((treePosition.y = heights[Mathf.RoundToInt(treePosition.z * (terrainData.heightmapHeight - 1)), Mathf.RoundToInt(treePosition.x * (terrainData.heightmapWidth - 1))]) < Mathf.Lerp(Settings.Map.HeightOfLevel[1] / Settings.Map.HeightOfLevel[2], 1, 0.6f) || Methods.Coordinates.IsOccupied(Methods.Coordinates.InternalToExternal(Vector3.Scale(treePosition, new Vector3(worldSize.y, 0, worldSize.x)))));
var treeInstance = new TreeInstance { prototypeIndex = Random.Range(0, treePrototypes.Length), position = treePosition + Vector3.up * Settings.Terrain.Tree.VerticalPositionOffset * treeScale, color = new Color(0, 0.8f, 0, 1), lightmapColor = new Color(1, 1, 1, 1), heightScale = treeScale, widthScale = treeScale };
treeInstances[i] = treeInstance;
}
terrainData.treeInstances = treeInstances;
#endregion
#region Paint Details
var detailPrototypes = new DetailPrototype[detailTextures.Length];
for (var i = 0; i < detailPrototypes.Length; i++)
{
var detailPrototype = new DetailPrototype { prototypeTexture = detailTextures[i], minWidth = Settings.Terrain.Detail.MinDimension, minHeight = Settings.Terrain.Detail.MinDimension, maxWidth = Settings.Terrain.Detail.MaxDimension, maxHeight = Settings.Terrain.Detail.MaxDimension, renderMode = DetailRenderMode.GrassBillboard };
detailPrototypes[i] = detailPrototype;
}
terrainData.detailPrototypes = detailPrototypes;
terrainData.SetDetailResolution(resolution, Mathf.Clamp(resolution, 8, 128));
var detailLayers = new int[detailPrototypes.Length][,];
for (var i = 0; i < detailPrototypes.Length; i++)
detailLayers[i] = new int[terrainData.detailResolution, terrainData.detailResolution];
for (var i = 0; i < terrainData.detailResolution; i++)
for (var j = 0; j < terrainData.detailResolution; j++)
{
var layer = Random.Range(0, detailPrototypes.Length);
var height = heights[Mathf.RoundToInt((float)i / (terrainData.detailResolution - 1) * (terrainData.heightmapHeight - 1)), Mathf.RoundToInt((float)j / (terrainData.detailResolution - 1) * (terrainData.heightmapWidth - 1))];
if (height > Mathf.Lerp(Settings.Map.HeightOfLevel[1] / Settings.Map.HeightOfLevel[2], 1, 0.4f))
detailLayers[layer][i, j] = 1;
}
for (var i = 0; i < detailPrototypes.Length; i++)
terrainData.SetDetailLayer(0, 0, i, detailLayers[i]);
terrainData.wavingGrassAmount = Settings.Terrain.Detail.Waving.Amount;
terrainData.wavingGrassSpeed = Settings.Terrain.Detail.Waving.Speed;
terrainData.wavingGrassStrength = Settings.Terrain.Detail.Waving.Strength;
#endregion
#region Final Settings
var terrain = Terrain.CreateTerrainGameObject(terrainData).GetComponent<Terrain>();
terrain.treeBillboardDistance = Settings.Terrain.Tree.BillboardDistance;
terrain.detailObjectDistance = Settings.Terrain.Detail.MaxVisibleDistance;
terrain.detailObjectDensity = Settings.Terrain.Detail.Density;
#endregion
}
/// <summary>
/// Preprocess the terrain to clamp down on the number of splat maps which have weights on each control point. First pass
/// limits the number of weights to the specified amount per control point. Since each rendered pixel is a blend of 4 possible
/// control points, this still means a given pixel may need up to 4 weights even if the control point is clamped to 1 weight.
/// In the second pass, we check all of the neighoring pixels to see if they have different weights- if they do, we clamp
/// down to one less weight on this control point. The idea here is to create some extra headroom for the blend, but since
/// you can still need 4 blend weights in some cases, there is no perfect solution to this issue when running with less than
/// 4 blend weights. It does, however, greatly help when running under those constraints.
///
/// </summary>
/// <param name="bt">Bt.</param>
/// <param name="maxWeights">Max weights.</param>
/// <param name="secondPass">If set to <c>true</c> second pass.</param>
public static void WeightLimitTerrain(MicroSplatTerrain bt, int maxWeights, bool secondPass = false)
{
Terrain t = bt.GetComponent <Terrain>();
if (t == null)
{
return;
}
UnityEngine.TerrainData td = t.terrainData;
if (td == null)
{
return;
}
int w = td.alphamapWidth;
int h = td.alphamapHeight;
int l = td.alphamapLayers;
Undo.RegisterCompleteObjectUndo(t, "Weight Limit Terrain");
var splats = td.GetAlphamaps(0, 0, w, h);
float[] data = new float[16];
List <WeightPair> sorted = new List <WeightPair>();
List <int> validIndexes = new List <int>();
for (int x = 0; x < w; ++x)
{
for (int y = 0; y < h; ++y)
{
// gather all weights
for (int i = 0; i < l; ++i)
{
data[i] = splats[x, y, i];
}
sorted.Clear();
for (int i = 0; i < 16; ++i)
{
var wp = new WeightPair();
wp.index = i;
wp.weight = data[i];
sorted.Add(wp);
}
sorted.Sort((w0, w1) => w1.weight.CompareTo(w0.weight));
// remove lower weights
int allowedWeights = maxWeights;
while (sorted.Count > allowedWeights)
{
sorted.RemoveAt(sorted.Count - 1);
}
// generate valid index list
validIndexes.Clear();
for (int i = 0; i < sorted.Count; ++i)
{
if (sorted[i].weight > 0)
{
validIndexes.Add(sorted[i].index);
}
}
// figure out if our neighbors have weights which we don't have- if so, clamp down harder to make room for blending..
// if not, allow us to blend fully. We do this in a second pass so that small weights are reduced before we make
// this decision..
if (secondPass)
{
for (int xm = -1; xm < 2; ++xm)
{
for (int ym = -1; ym < 2; ++ym)
{
int nx = x + xm;
int ny = y + ym;
if (nx >= 0 && ny >= 0 && nx < w && ny < y)
{
for (int layer = 0; layer < l; ++layer)
{
float weight = splats[nx, ny, layer];
if (weight > 0 && !validIndexes.Contains(layer))
{
allowedWeights = maxWeights - 1;
}
}
}
}
}
while (sorted.Count > allowedWeights)
{
sorted.RemoveAt(sorted.Count - 1);
}
// generate valid index list
validIndexes.Clear();
for (int i = 0; i < sorted.Count; ++i)
{
if (sorted[i].weight > 0)
{
validIndexes.Add(sorted[i].index);
}
}
}
// clear non-valid indexes
for (int j = 0; j < 16; ++j)
{
if (!validIndexes.Contains(j))
{
data[j] = 0;
}
}
// now normalize weights so that they total one on each pixel
float total = 0;
for (int j = 0; j < 16; ++j)
{
total += data[j];
}
float scale = 1.0f / total;
for (int j = 0; j < 16; ++j)
{
data[j] *= scale;
}
// now map back to splat data array
for (int i = 0; i < l; ++i)
{
splats[x, y, i] = data[i];
}
}
}
td.SetAlphamaps(0, 0, splats);
}
private void ApplyTextures(TerrainData data)
{
var flatSplat = new SplatPrototype();
var steepSplat = new SplatPrototype();
flatSplat.texture = Settings.FlatTexture;
steepSplat.texture = Settings.SteepTexture;
data.splatPrototypes = new []
{
flatSplat,
steepSplat
};
data.RefreshPrototypes();
var splatMap = new float[data.alphamapResolution, data.alphamapResolution, 2];
for (var z = 0; z < data.alphamapHeight; z++)
{
for (var x = 0; x < data.alphamapWidth; x++)
{
var normalizedX = (float)x / (data.alphamapWidth - 1);
var normalizedZ = (float)z / (data.alphamapHeight - 1);
var steepness = data.GetSteepness(normalizedX, normalizedZ) * Settings.SteepnessTextureMultiplier;
var steepnessNormalized = Mathf.Clamp(steepness, 0, 1f);
splatMap[z, x, 0] = 1f - steepnessNormalized;
splatMap[z, x, 1] = steepnessNormalized;
}
}
data.SetAlphamaps(0, 0, splatMap);
}
void FillAlphaMap(TerrainData terrainData)
{
float[,,] map = new float[m_alphaMapSize, m_alphaMapSize, 2];
Random.seed = 0;
for(int x = 0; x < m_alphaMapSize; x++)
{
for (int z = 0; z < m_alphaMapSize; z++)
{
// Get the normalized terrain coordinate that
// corresponds to the the point.
float normX = x * 1.0f / (m_alphaMapSize - 1);
float normZ = z * 1.0f / (m_alphaMapSize - 1);
// Get the steepness value at the normalized coordinate.
float angle = terrainData.GetSteepness(normX, normZ);
// Steepness is given as an angle, 0..90 degrees. Divide
// by 90 to get an alpha blending value in the range 0..1.
float frac = angle / 90.0f;
map[z, x, 0] = frac;
map[z, x, 1] = 1.0f - frac;
}
}
terrainData.alphamapResolution = m_alphaMapSize;
terrainData.SetAlphamaps(0, 0, map);
}
public void Perform(TerrainData data)
{
data.SetHeights(x,z,heights);
if (splats!=null) data.SetAlphamaps(x,z,splats);
}