// main generation function called on to generate each point in the mesh
// experiment with noise here!
Vector3 GeneratePoint(float x, float y)
{
Vector3 position = new Vector3(x, 0.0f, y);
float mountains = Noise.Ridged(position + offset1, 6, 0.0075f);
mountains *= .5f;
mountains += .5f;
//float hills = Noise.Fractal(position + offset1, 5, 0.005f);
float hills = Noise.Billow(position + offset1, 5, 0.005f);
hills *= .25f;
hills -= .25f;
float blendNoise = Noise.Fractal(position + offset2, 5, 0.003f);
float total = Noise.Blend(mountains, hills, blendNoise, -0.5f, 0.5f);
total = (total + 1) / 2.0f;
//Color c = grad.Evaluate(total);
total = total * 0.8f;
//float colnoise = (Noise.Billow(position, 4, 0.02f) + 1.0f) / 2.0f;
//Color c = new Color(0.2f, 0.1f, colnoise);
//c = new Color(.6f, .6f, .1f + colnoise / 3.0f);
return(new Vector3(x, total * 60.0f, y));
//float xf = x * 0.04f + offset1.x;
//float yf = y * 0.04f + offset1.y;
//WorleySample ws = Noise.Worley3(xf, yf, 0, 2, DistanceFunction.EUCLIDIAN);
//float h = 1.0f - (float)ws.F[0];
//Vector3 pos = new Vector3(x, h * 25.0f, y);
//return new TerrainPoint(pos, grad.Evaluate(h));
}
protected override void ApplyAlpha(Matrix4x4 localToWorld, Matrix4x4 worldToLocal)
{
if (this.Radius == 0f)
{
this.Radius = this.extents.x;
}
TextureData textureDatum = new TextureData(this.alphamap);
Vector3 vector32 = localToWorld.MultiplyPoint3x4(this.offset + new Vector3(-this.Radius, 0f, -this.Radius));
Vector3 vector33 = localToWorld.MultiplyPoint3x4(this.offset + new Vector3(this.Radius, 0f, -this.Radius));
Vector3 vector34 = localToWorld.MultiplyPoint3x4(this.offset + new Vector3(-this.Radius, 0f, this.Radius));
Vector3 vector35 = localToWorld.MultiplyPoint3x4(this.offset + new Vector3(this.Radius, 0f, this.Radius));
TerrainMeta.AlphaMap.ForEachParallel(vector32, vector33, vector34, vector35, (int x, int z) => {
float single = TerrainMeta.AlphaMap.Coordinate(z);
Vector3 vector3 = new Vector3(TerrainMeta.DenormalizeX(TerrainMeta.AlphaMap.Coordinate(x)), 0f, TerrainMeta.DenormalizeZ(single));
Vector3 vector31 = worldToLocal.MultiplyPoint3x4(vector3) - this.offset;
float single1 = Noise.Billow(vector3.x, vector3.z, 4, 0.005f, 0.25f * this.Fade, 2f, 0.5f);
float single2 = Mathf.InverseLerp(this.Radius, this.Radius - this.Fade + single1, vector31.Magnitude2D());
if (single2 == 0f)
{
return;
}
float interpolatedVector = textureDatum.GetInterpolatedVector((vector31.x + this.extents.x) / this.size.x, (vector31.z + this.extents.z) / this.size.z).w;
TerrainMeta.AlphaMap.SetAlpha(x, z, interpolatedVector, single2);
});
}
public void AdjustTerrainHeight()
{
TerrainHeightMap heightMap = TerrainMeta.HeightMap;
TerrainTopologyMap topologyMap = TerrainMeta.TopologyMap;
float single6 = 1f;
float randomScale = this.RandomScale;
float outerPadding = this.OuterPadding;
float innerPadding = this.InnerPadding;
float outerFade = this.OuterFade;
float innerFade = this.InnerFade;
float terrainOffset = this.TerrainOffset * TerrainMeta.OneOverSize.y;
float width = this.Width * 0.5f;
Vector3 startPoint = this.Path.GetStartPoint();
Vector3 endPoint = this.Path.GetEndPoint();
Vector3 startTangent = this.Path.GetStartTangent();
Vector3 vector32 = PathList.rot90 * startTangent;
Vector3 vector33 = startPoint - (vector32 * (width + outerPadding + outerFade));
Vector3 vector34 = startPoint + (vector32 * (width + outerPadding + outerFade));
float length = this.Path.Length + single6;
for (float i = 0f; i < length; i += single6)
{
Vector3 vector35 = (this.Spline ? this.Path.GetPointCubicHermite(i) : this.Path.GetPoint(i));
float single7 = (startPoint - vector35).Magnitude2D();
float single8 = (endPoint - vector35).Magnitude2D();
float single9 = Mathf.InverseLerp(0f, width, Mathf.Min(single7, single8));
float single10 = Mathf.Lerp(width, width * randomScale, Noise.Billow(vector35.x, vector35.z, 2, 0.005f, 1f, 2f, 0.5f));
Vector3 vector36 = this.Path.GetTangent(i).XZ3D();
startTangent = vector36.normalized;
vector32 = PathList.rot90 * startTangent;
Ray ray = new Ray(vector35, startTangent);
Vector3 vector37 = vector35 - (vector32 * (single10 + outerPadding + outerFade));
Vector3 vector38 = vector35 + (vector32 * (single10 + outerPadding + outerFade));
float single11 = TerrainMeta.NormalizeY(vector35.y);
heightMap.ForEach(vector33, vector34, vector37, vector38, (int x, int z) => {
float single = heightMap.Coordinate(x);
float single1 = heightMap.Coordinate(z);
if ((topologyMap.GetTopology(single, single1) & this.Topology) != 0)
{
return;
}
Vector3 vector3 = TerrainMeta.Denormalize(new Vector3(single, single11, single1));
Vector3 vector31 = ray.ClosestPoint(vector3);
float single2 = (vector3 - vector31).Magnitude2D();
float single3 = Mathf.InverseLerp(single10 + outerPadding + outerFade, single10 + outerPadding, single2);
float single4 = Mathf.InverseLerp(single10 - innerPadding, single10 - innerPadding - innerFade, single2);
float single5 = TerrainMeta.NormalizeY(vector31.y);
single3 = Mathf.SmoothStep(0f, 1f, single3);
single4 = Mathf.SmoothStep(0f, 1f, single4);
heightMap.SetHeight(x, z, single5 + terrainOffset * single4, single9 * single3);
});
vector33 = vector37;
vector34 = vector38;
}
}
protected override void ApplyBiome(Matrix4x4 localToWorld, Matrix4x4 worldToLocal)
{
if (this.Radius == 0f)
{
this.Radius = this.extents.x;
}
bool flag = base.ShouldBiome(1);
bool flag1 = base.ShouldBiome(2);
bool flag2 = base.ShouldBiome(4);
bool flag3 = base.ShouldBiome(8);
if (!flag && !flag1 && !flag2 && !flag3)
{
return;
}
TextureData textureDatum = new TextureData(this.biomemap);
Vector3 vector32 = localToWorld.MultiplyPoint3x4(this.offset + new Vector3(-this.Radius, 0f, -this.Radius));
Vector3 vector33 = localToWorld.MultiplyPoint3x4(this.offset + new Vector3(this.Radius, 0f, -this.Radius));
Vector3 vector34 = localToWorld.MultiplyPoint3x4(this.offset + new Vector3(-this.Radius, 0f, this.Radius));
Vector3 vector35 = localToWorld.MultiplyPoint3x4(this.offset + new Vector3(this.Radius, 0f, this.Radius));
TerrainMeta.BiomeMap.ForEachParallel(vector32, vector33, vector34, vector35, (int x, int z) => {
float single = TerrainMeta.BiomeMap.Coordinate(z);
Vector3 vector3 = new Vector3(TerrainMeta.DenormalizeX(TerrainMeta.BiomeMap.Coordinate(x)), 0f, TerrainMeta.DenormalizeZ(single));
Vector3 vector31 = worldToLocal.MultiplyPoint3x4(vector3) - this.offset;
float single1 = Noise.Billow(vector3.x, vector3.z, 4, 0.005f, 0.25f * this.Fade, 2f, 0.5f);
float single2 = Mathf.InverseLerp(this.Radius, this.Radius - this.Fade + single1, vector31.Magnitude2D());
if (single2 == 0f)
{
return;
}
Vector4 interpolatedVector = textureDatum.GetInterpolatedVector((vector31.x + this.extents.x) / this.size.x, (vector31.z + this.extents.z) / this.size.z);
if (!flag)
{
interpolatedVector.x = 0f;
}
if (!flag1)
{
interpolatedVector.y = 0f;
}
if (!flag2)
{
interpolatedVector.z = 0f;
}
if (!flag3)
{
interpolatedVector.w = 0f;
}
TerrainMeta.BiomeMap.SetBiomeRaw(x, z, interpolatedVector, single2);
});
}
//public RenderTexture density;
public void Start()
{
int size = 64;
volume = new Texture3D(size, size, size, TextureFormat.RFloat, false);
volume.filterMode = FilterMode.Point;
//volume.filterMode = FilterMode.Bilinear;
volume.wrapMode = TextureWrapMode.Clamp;
Color[] pixels = new Color[size * size * size];
int i = 0;
for (int x = 0; x < size; ++x)
{
for (int y = 0; y < size; ++y)
{
for (int z = 0; z < size; ++z, ++i)
{
//return length(worldPos - origin) - radius;
Vector3 wp = new Vector3(x, y, z);
Vector3 or = new Vector3(32, 32, 32);
float rad = 20.0f;
float dist = Vector3.Magnitude(wp - or) - rad;
dist += Noise.Billow(wp, 4, 0.01f) * 5.0f;
// not really a true distance field this way (above might not be either but closer at least)
// basically the worse the distance field the more work for raymarching i think
//dist = Noise.Billow(wp, 4, 0.01f) * -1.0f;
//dist = Mathf.Floor(dist);
//dist = Mathf.Ceil(dist);
pixels[i] = new Color(dist, 1.0f, 1.0f, 1.0f);
}
}
}
volume.SetPixels(pixels);
volume.Apply();
// 64 MB. just a test
//int dres = 256;
//density = new RenderTexture(dres, dres, 0, RenderTextureFormat.RFloat, RenderTextureReadWrite.Linear) {
// dimension = UnityEngine.Rendering.TextureDimension.Tex3D,
// volumeDepth = dres,
// wrapMode = TextureWrapMode.Clamp,
// filterMode = FilterMode.Point,
// enableRandomWrite = true,
// autoGenerateMips = false
//};
}
public void AdjustTerrainTopology()
{
if (this.Topology == 0)
{
return;
}
TerrainTopologyMap topologyMap = TerrainMeta.TopologyMap;
float single3 = 1f;
float randomScale = this.RandomScale;
float outerPadding = this.OuterPadding;
float innerPadding = this.InnerPadding;
float width = this.Width * 0.5f;
Vector3 startPoint = this.Path.GetStartPoint();
Vector3 endPoint = this.Path.GetEndPoint();
Vector3 startTangent = this.Path.GetStartTangent();
Vector3 vector31 = PathList.rot90 * startTangent;
Vector3 vector32 = startPoint - (vector31 * (width + outerPadding));
Vector3 vector33 = startPoint + (vector31 * (width + outerPadding));
float length = this.Path.Length + single3;
for (float i = 0f; i < length; i += single3)
{
Vector3 vector34 = (this.Spline ? this.Path.GetPointCubicHermite(i) : this.Path.GetPoint(i));
float single4 = (startPoint - vector34).Magnitude2D();
float single5 = (endPoint - vector34).Magnitude2D();
float single6 = Mathf.InverseLerp(0f, width, Mathf.Min(single4, single5));
float single7 = Mathf.Lerp(width, width * randomScale, Noise.Billow(vector34.x, vector34.z, 2, 0.005f, 1f, 2f, 0.5f));
Vector3 vector35 = this.Path.GetTangent(i).XZ3D();
startTangent = vector35.normalized;
vector31 = PathList.rot90 * startTangent;
Ray ray = new Ray(vector34, startTangent);
Vector3 vector36 = vector34 - (vector31 * (single7 + outerPadding));
Vector3 vector37 = vector34 + (vector31 * (single7 + outerPadding));
float single8 = TerrainMeta.NormalizeY(vector34.y);
topologyMap.ForEach(vector32, vector33, vector36, vector37, (int x, int z) => {
float single = topologyMap.Coordinate(x);
float single1 = topologyMap.Coordinate(z);
Vector3 vector3 = TerrainMeta.Denormalize(new Vector3(single, single8, single1));
float single2 = (vector3 - ray.ClosestPoint(vector3)).Magnitude2D();
if (Mathf.InverseLerp(single7 + outerPadding, single7 - innerPadding, single2) * single6 > 0.3f)
{
topologyMap.SetTopology(x, z, this.Topology);
}
});
vector32 = vector36;
vector33 = vector37;
}
}
protected override void ApplyHeight(Matrix4x4 localToWorld, Matrix4x4 worldToLocal)
{
if (this.Radius == 0f)
{
this.Radius = this.extents.x;
}
bool flag = this.blendmap != null;
Vector3 vector32 = localToWorld.MultiplyPoint3x4(Vector3.zero);
TextureData textureDatum = new TextureData(this.heightmap);
TextureData textureDatum1 = (flag ? new TextureData(this.blendmap) : new TextureData());
Vector3 vector33 = localToWorld.MultiplyPoint3x4(this.offset + new Vector3(-this.Radius, 0f, -this.Radius));
Vector3 vector34 = localToWorld.MultiplyPoint3x4(this.offset + new Vector3(this.Radius, 0f, -this.Radius));
Vector3 vector35 = localToWorld.MultiplyPoint3x4(this.offset + new Vector3(-this.Radius, 0f, this.Radius));
Vector3 vector36 = localToWorld.MultiplyPoint3x4(this.offset + new Vector3(this.Radius, 0f, this.Radius));
TerrainMeta.HeightMap.ForEachParallel(vector33, vector34, vector35, vector36, (int x, int z) => {
float single = TerrainMeta.HeightMap.Coordinate(z);
Vector3 vector3 = new Vector3(TerrainMeta.DenormalizeX(TerrainMeta.HeightMap.Coordinate(x)), 0f, TerrainMeta.DenormalizeZ(single));
Vector3 vector31 = worldToLocal.MultiplyPoint3x4(vector3) - this.offset;
float interpolatedVector = 1f;
if (!flag)
{
float single1 = Noise.Billow(vector3.x, vector3.z, 4, 0.005f, 0.25f * this.Fade, 2f, 0.5f);
interpolatedVector = Mathf.InverseLerp(this.Radius, this.Radius - this.Fade + single1, vector31.Magnitude2D());
}
else
{
interpolatedVector = textureDatum1.GetInterpolatedVector((vector31.x + this.extents.x) / this.size.x, (vector31.z + this.extents.z) / this.size.z).w;
}
if (interpolatedVector == 0f)
{
return;
}
float single2 = TerrainMeta.NormalizeY(vector32.y + this.offset.y + textureDatum.GetInterpolatedHalf((vector31.x + this.extents.x) / this.size.x, (vector31.z + this.extents.z) / this.size.z) * this.size.y);
single2 = Mathf.SmoothStep(TerrainMeta.HeightMap.GetHeight01(x, z), single2, interpolatedVector);
TerrainMeta.HeightMap.SetHeight(x, z, single2);
});
}
void Awake()
{
volume = new Texture3D(resolution, resolution, resolution, TextureFormat.RFloat, false);
volume.filterMode = FilterMode.Point;
//volume.filterMode = FilterMode.Bilinear;
volume.wrapMode = TextureWrapMode.Clamp;
Color[] pixels = new Color[resolution * resolution * resolution];
int i = 0;
for (int x = 0; x < resolution; ++x)
{
for (int y = 0; y < resolution; ++y)
{
for (int z = 0; z < resolution; ++z, ++i)
{
//return length(worldPos - origin) - radius;
Vector3 wp = new Vector3(x, y, z);
Vector3 or = new Vector3(32, 32, 32);
float rad = 20.0f;
float dist = Vector3.Magnitude(wp - or) - rad;
dist += Noise.Billow(wp, 4, 0.01f) * 5.0f;
// not really a true distance field this way (above might not be either but closer at least)
// basically the worse the distance field the more work for raymarching i think
//dist = Noise.Billow(wp, 4, 0.01f) * -1.0f;
//dist = Mathf.Floor(dist);
//dist = Mathf.Ceil(dist);
pixels[i] = new Color(dist, 1.0f, 1.0f, 1.0f);
}
}
}
volume.SetPixels(pixels);
volume.Apply();
}
protected override void ApplySplat(Matrix4x4 localToWorld, Matrix4x4 worldToLocal)
{
if (this.Radius == 0f)
{
this.Radius = this.extents.x;
}
bool flag = base.ShouldSplat(1);
bool flag1 = base.ShouldSplat(2);
bool flag2 = base.ShouldSplat(4);
bool flag3 = base.ShouldSplat(8);
bool flag4 = base.ShouldSplat(16);
bool flag5 = base.ShouldSplat(32);
bool flag6 = base.ShouldSplat(64);
bool flag7 = base.ShouldSplat(128);
if (!flag && !flag1 && !flag2 && !flag3 && !flag4 && !flag5 && !flag6 && !flag7)
{
return;
}
TextureData textureDatum = new TextureData(this.splatmap0);
TextureData textureDatum1 = new TextureData(this.splatmap1);
Vector3 vector32 = localToWorld.MultiplyPoint3x4(this.offset + new Vector3(-this.Radius, 0f, -this.Radius));
Vector3 vector33 = localToWorld.MultiplyPoint3x4(this.offset + new Vector3(this.Radius, 0f, -this.Radius));
Vector3 vector34 = localToWorld.MultiplyPoint3x4(this.offset + new Vector3(-this.Radius, 0f, this.Radius));
Vector3 vector35 = localToWorld.MultiplyPoint3x4(this.offset + new Vector3(this.Radius, 0f, this.Radius));
TerrainMeta.SplatMap.ForEachParallel(vector32, vector33, vector34, vector35, (int x, int z) => {
GenerateCliffSplat.Process(x, z);
float single = TerrainMeta.SplatMap.Coordinate(z);
Vector3 vector3 = new Vector3(TerrainMeta.DenormalizeX(TerrainMeta.SplatMap.Coordinate(x)), 0f, TerrainMeta.DenormalizeZ(single));
Vector3 vector31 = worldToLocal.MultiplyPoint3x4(vector3) - this.offset;
float single1 = Noise.Billow(vector3.x, vector3.z, 4, 0.005f, 0.25f * this.Fade, 2f, 0.5f);
float single2 = Mathf.InverseLerp(this.Radius, this.Radius - this.Fade + single1, vector31.Magnitude2D());
if (single2 == 0f)
{
return;
}
Vector4 interpolatedVector = textureDatum.GetInterpolatedVector((vector31.x + this.extents.x) / this.size.x, (vector31.z + this.extents.z) / this.size.z);
Vector4 vector4 = textureDatum1.GetInterpolatedVector((vector31.x + this.extents.x) / this.size.x, (vector31.z + this.extents.z) / this.size.z);
if (!flag)
{
interpolatedVector.x = 0f;
}
if (!flag1)
{
interpolatedVector.y = 0f;
}
if (!flag2)
{
interpolatedVector.z = 0f;
}
if (!flag3)
{
interpolatedVector.w = 0f;
}
if (!flag4)
{
vector4.x = 0f;
}
if (!flag5)
{
vector4.y = 0f;
}
if (!flag6)
{
vector4.z = 0f;
}
if (!flag7)
{
vector4.w = 0f;
}
TerrainMeta.SplatMap.SetSplatRaw(x, z, interpolatedVector, vector4, single2);
});
}
protected override void ApplySplat(Matrix4x4 localToWorld, Matrix4x4 worldToLocal)
{
if ((double)this.Radius == 0.0)
{
this.Radius = (float)this.extents.x;
}
bool should0 = this.ShouldSplat(1);
bool should1 = this.ShouldSplat(2);
bool should2 = this.ShouldSplat(4);
bool should3 = this.ShouldSplat(8);
bool should4 = this.ShouldSplat(16);
bool should5 = this.ShouldSplat(32);
bool should6 = this.ShouldSplat(64);
bool should7 = this.ShouldSplat(128);
if (!should0 && !should1 && (!should2 && !should3) && (!should4 && !should5 && (!should6 && !should7)))
{
return;
}
TextureData splat0data = new TextureData(this.splatmap0);
TextureData splat1data = new TextureData(this.splatmap1);
TerrainMeta.SplatMap.ForEachParallel(((Matrix4x4) ref localToWorld).MultiplyPoint3x4(Vector3.op_Addition(this.offset, new Vector3(-this.Radius, 0.0f, -this.Radius))), ((Matrix4x4) ref localToWorld).MultiplyPoint3x4(Vector3.op_Addition(this.offset, new Vector3(this.Radius, 0.0f, -this.Radius))), ((Matrix4x4) ref localToWorld).MultiplyPoint3x4(Vector3.op_Addition(this.offset, new Vector3(-this.Radius, 0.0f, this.Radius))), ((Matrix4x4) ref localToWorld).MultiplyPoint3x4(Vector3.op_Addition(this.offset, new Vector3(this.Radius, 0.0f, this.Radius))), (Action <int, int>)((x, z) =>
{
GenerateCliffSplat.Process(x, z);
float normZ = TerrainMeta.SplatMap.Coordinate(z);
float normX = TerrainMeta.SplatMap.Coordinate(x);
Vector3 vector3_1;
((Vector3) ref vector3_1).\u002Ector(TerrainMeta.DenormalizeX(normX), 0.0f, TerrainMeta.DenormalizeZ(normZ));
Vector3 vector3_2 = Vector3.op_Subtraction(((Matrix4x4) ref worldToLocal).MultiplyPoint3x4(vector3_1), this.offset);
float opacity = Mathf.InverseLerp(this.Radius, this.Radius - this.Fade + Noise.Billow((float)vector3_1.x, (float)vector3_1.z, 4, 0.005f, 0.25f * this.Fade, 2f, 0.5f), Vector3Ex.Magnitude2D(vector3_2));
if ((double)opacity == 0.0)
{
return;
}
Vector4 interpolatedVector1 = splat0data.GetInterpolatedVector((float)((vector3_2.x + this.extents.x) / this.size.x), (float)((vector3_2.z + this.extents.z) / this.size.z));
Vector4 interpolatedVector2 = splat1data.GetInterpolatedVector((float)((vector3_2.x + this.extents.x) / this.size.x), (float)((vector3_2.z + this.extents.z) / this.size.z));
if (!should0)
{
interpolatedVector1.x = (__Null)0.0;
}
if (!should1)
{
interpolatedVector1.y = (__Null)0.0;
}
if (!should2)
{
interpolatedVector1.z = (__Null)0.0;
}
if (!should3)
{
interpolatedVector1.w = (__Null)0.0;
}
if (!should4)
{
interpolatedVector2.x = (__Null)0.0;
}
if (!should5)
{
interpolatedVector2.y = (__Null)0.0;
}
if (!should6)
{
interpolatedVector2.z = (__Null)0.0;
}
if (!should7)
{
interpolatedVector2.w = (__Null)0.0;
}
TerrainMeta.SplatMap.SetSplatRaw(x, z, interpolatedVector1, interpolatedVector2, opacity);
}));
}
protected override void ApplyHeight(Matrix4x4 localToWorld, Matrix4x4 worldToLocal)
{
if ((double)this.Radius == 0.0)
{
this.Radius = (float)this.extents.x;
}
bool useBlendMap = Object.op_Inequality((Object)this.blendmap, (Object)null);
Vector3 position = ((Matrix4x4) ref localToWorld).MultiplyPoint3x4(Vector3.get_zero());
TextureData heightdata = new TextureData(this.heightmap);
TextureData blenddata = useBlendMap ? new TextureData(this.blendmap) : new TextureData();
TerrainMeta.HeightMap.ForEachParallel(((Matrix4x4) ref localToWorld).MultiplyPoint3x4(Vector3.op_Addition(this.offset, new Vector3(-this.Radius, 0.0f, -this.Radius))), ((Matrix4x4) ref localToWorld).MultiplyPoint3x4(Vector3.op_Addition(this.offset, new Vector3(this.Radius, 0.0f, -this.Radius))), ((Matrix4x4) ref localToWorld).MultiplyPoint3x4(Vector3.op_Addition(this.offset, new Vector3(-this.Radius, 0.0f, this.Radius))), ((Matrix4x4) ref localToWorld).MultiplyPoint3x4(Vector3.op_Addition(this.offset, new Vector3(this.Radius, 0.0f, this.Radius))), (Action <int, int>)((x, z) =>
{
float normZ = TerrainMeta.HeightMap.Coordinate(z);
float normX = TerrainMeta.HeightMap.Coordinate(x);
Vector3 vector3_1;
((Vector3) ref vector3_1).\u002Ector(TerrainMeta.DenormalizeX(normX), 0.0f, TerrainMeta.DenormalizeZ(normZ));
Vector3 vector3_2 = Vector3.op_Subtraction(((Matrix4x4) ref worldToLocal).MultiplyPoint3x4(vector3_1), this.offset);
float num1 = !useBlendMap ? Mathf.InverseLerp(this.Radius, this.Radius - this.Fade + Noise.Billow((float)vector3_1.x, (float)vector3_1.z, 4, 0.005f, 0.25f * this.Fade, 2f, 0.5f), Vector3Ex.Magnitude2D(vector3_2)) : (float)blenddata.GetInterpolatedVector((float)((vector3_2.x + this.extents.x) / this.size.x), (float)((vector3_2.z + this.extents.z) / this.size.z)).w;
if ((double)num1 == 0.0)
{
return;
}
float num2 = TerrainMeta.NormalizeY((float)(position.y + this.offset.y + (double)heightdata.GetInterpolatedHalf((float)((vector3_2.x + this.extents.x) / this.size.x), (float)((vector3_2.z + this.extents.z) / this.size.z)) * this.size.y));
float height = Mathf.SmoothStep(TerrainMeta.HeightMap.GetHeight01(x, z), num2, num1);
TerrainMeta.HeightMap.SetHeight(x, z, height);
}));
}
protected override void ApplyBiome(Matrix4x4 localToWorld, Matrix4x4 worldToLocal)
{
if ((double)this.Radius == 0.0)
{
this.Radius = (float)this.extents.x;
}
bool should0 = this.ShouldBiome(1);
bool should1 = this.ShouldBiome(2);
bool should2 = this.ShouldBiome(4);
bool should3 = this.ShouldBiome(8);
if (!should0 && !should1 && (!should2 && !should3))
{
return;
}
TextureData biomedata = new TextureData(this.biomemap);
TerrainMeta.BiomeMap.ForEachParallel(((Matrix4x4) ref localToWorld).MultiplyPoint3x4(Vector3.op_Addition(this.offset, new Vector3(-this.Radius, 0.0f, -this.Radius))), ((Matrix4x4) ref localToWorld).MultiplyPoint3x4(Vector3.op_Addition(this.offset, new Vector3(this.Radius, 0.0f, -this.Radius))), ((Matrix4x4) ref localToWorld).MultiplyPoint3x4(Vector3.op_Addition(this.offset, new Vector3(-this.Radius, 0.0f, this.Radius))), ((Matrix4x4) ref localToWorld).MultiplyPoint3x4(Vector3.op_Addition(this.offset, new Vector3(this.Radius, 0.0f, this.Radius))), (Action <int, int>)((x, z) =>
{
float normZ = TerrainMeta.BiomeMap.Coordinate(z);
float normX = TerrainMeta.BiomeMap.Coordinate(x);
Vector3 vector3_1;
((Vector3) ref vector3_1).\u002Ector(TerrainMeta.DenormalizeX(normX), 0.0f, TerrainMeta.DenormalizeZ(normZ));
Vector3 vector3_2 = Vector3.op_Subtraction(((Matrix4x4) ref worldToLocal).MultiplyPoint3x4(vector3_1), this.offset);
float opacity = Mathf.InverseLerp(this.Radius, this.Radius - this.Fade + Noise.Billow((float)vector3_1.x, (float)vector3_1.z, 4, 0.005f, 0.25f * this.Fade, 2f, 0.5f), Vector3Ex.Magnitude2D(vector3_2));
if ((double)opacity == 0.0)
{
return;
}
Vector4 interpolatedVector = biomedata.GetInterpolatedVector((float)((vector3_2.x + this.extents.x) / this.size.x), (float)((vector3_2.z + this.extents.z) / this.size.z));
if (!should0)
{
interpolatedVector.x = (__Null)0.0;
}
if (!should1)
{
interpolatedVector.y = (__Null)0.0;
}
if (!should2)
{
interpolatedVector.z = (__Null)0.0;
}
if (!should3)
{
interpolatedVector.w = (__Null)0.0;
}
TerrainMeta.BiomeMap.SetBiomeRaw(x, z, interpolatedVector, opacity);
}));
}
protected override void ApplyAlpha(Matrix4x4 localToWorld, Matrix4x4 worldToLocal)
{
if ((double)this.Radius == 0.0)
{
this.Radius = (float)this.extents.x;
}
TextureData alphadata = new TextureData(this.alphamap);
TerrainMeta.AlphaMap.ForEachParallel(((Matrix4x4) ref localToWorld).MultiplyPoint3x4(Vector3.op_Addition(this.offset, new Vector3(-this.Radius, 0.0f, -this.Radius))), ((Matrix4x4) ref localToWorld).MultiplyPoint3x4(Vector3.op_Addition(this.offset, new Vector3(this.Radius, 0.0f, -this.Radius))), ((Matrix4x4) ref localToWorld).MultiplyPoint3x4(Vector3.op_Addition(this.offset, new Vector3(-this.Radius, 0.0f, this.Radius))), ((Matrix4x4) ref localToWorld).MultiplyPoint3x4(Vector3.op_Addition(this.offset, new Vector3(this.Radius, 0.0f, this.Radius))), (Action <int, int>)((x, z) =>
{
float normZ = TerrainMeta.AlphaMap.Coordinate(z);
float normX = TerrainMeta.AlphaMap.Coordinate(x);
Vector3 vector3_1;
((Vector3) ref vector3_1).\u002Ector(TerrainMeta.DenormalizeX(normX), 0.0f, TerrainMeta.DenormalizeZ(normZ));
Vector3 vector3_2 = Vector3.op_Subtraction(((Matrix4x4) ref worldToLocal).MultiplyPoint3x4(vector3_1), this.offset);
float opacity = Mathf.InverseLerp(this.Radius, this.Radius - this.Fade + Noise.Billow((float)vector3_1.x, (float)vector3_1.z, 4, 0.005f, 0.25f * this.Fade, 2f, 0.5f), Vector3Ex.Magnitude2D(vector3_2));
if ((double)opacity == 0.0)
{
return;
}
float w = (float)alphadata.GetInterpolatedVector((float)((vector3_2.x + this.extents.x) / this.size.x), (float)((vector3_2.z + this.extents.z) / this.size.z)).w;
TerrainMeta.AlphaMap.SetAlpha(x, z, w, opacity);
}));
}
public List <Mesh> CreateMesh()
{
List <Mesh> meshes = new List <Mesh>();
float single = 8f;
float single1 = 64f;
float randomScale = this.RandomScale;
float meshOffset = this.MeshOffset;
float width = this.Width * 0.5f;
int length = (int)(this.Path.Length / single) * 2;
int num = (int)(this.Path.Length / single) * 3;
List <Vector3> vector3s = new List <Vector3>(length);
List <Color> colors = new List <Color>(length);
List <Vector2> vector2s = new List <Vector2>(length);
List <Vector3> vector3s1 = new List <Vector3>(length);
List <Vector4> vector4s = new List <Vector4>(length);
List <int> nums = new List <int>(num);
TerrainHeightMap heightMap = TerrainMeta.HeightMap;
Vector2 vector2 = new Vector2(0f, 0f);
Vector2 vector21 = new Vector2(1f, 0f);
Vector3 vector3 = Vector3.zero;
Vector3 vector31 = Vector3.zero;
Vector3 vector32 = Vector3.zero;
Vector3 vector33 = Vector3.zero;
int num1 = -1;
int num2 = -1;
float length1 = this.Path.Length + single;
for (float i = 0f; i < length1; i += single)
{
Vector3 vector34 = (this.Spline ? this.Path.GetPointCubicHermite(i) : this.Path.GetPoint(i));
float single2 = Mathf.Lerp(width, width * randomScale, Noise.Billow(vector34.x, vector34.z, 2, 0.005f, 1f, 2f, 0.5f));
Vector3 tangent = this.Path.GetTangent(i);
Vector3 vector35 = tangent.XZ3D().normalized;
Vector3 vector36 = PathList.rot90 * vector35;
Vector4 vector4 = new Vector4(vector36.x, vector36.y, vector36.z, 1f);
Vector3 vector37 = Vector3.Slerp(Vector3.Cross(tangent, vector36), Vector3.up, 0.1f);
Vector3 vector38 = new Vector3(vector34.x - vector36.x * single2, 0f, vector34.z - vector36.z * single2)
{
y = Mathf.Min(vector34.y, heightMap.GetHeight(vector38)) + meshOffset
};
Vector3 vector39 = new Vector3(vector34.x + vector36.x * single2, 0f, vector34.z + vector36.z * single2)
{
y = Mathf.Min(vector34.y, heightMap.GetHeight(vector39)) + meshOffset
};
if (i != 0f)
{
float single3 = (vector34 - vector32).Magnitude2D() / (2f * single2);
vector2.y += single3;
vector21.y += single3;
if (Vector3.Dot((vector38 - vector3).XZ3D(), vector33) <= 0f)
{
vector38 = vector3;
}
if (Vector3.Dot((vector39 - vector31).XZ3D(), vector33) <= 0f)
{
vector39 = vector31;
}
}
Color color = (i <= 0f || i + single >= length1 ? new Color(1f, 1f, 1f, 0f) : new Color(1f, 1f, 1f, 1f));
vector2s.Add(vector2);
colors.Add(color);
vector3s.Add(vector38);
vector3s1.Add(vector37);
vector4s.Add(vector4);
int count = vector3s.Count - 1;
if (num1 != -1 && num2 != -1)
{
nums.Add(count);
nums.Add(num2);
nums.Add(num1);
}
num1 = count;
vector3 = vector38;
vector2s.Add(vector21);
colors.Add(color);
vector3s.Add(vector39);
vector3s1.Add(vector37);
vector4s.Add(vector4);
int count1 = vector3s.Count - 1;
if (num1 != -1 && num2 != -1)
{
nums.Add(count1);
nums.Add(num2);
nums.Add(num1);
}
num2 = count1;
vector31 = vector39;
vector32 = vector34;
vector33 = vector35;
if (vector3s.Count >= 100 && this.Path.Length - i > single1)
{
Mesh mesh = new Mesh();
mesh.SetVertices(vector3s);
mesh.SetColors(colors);
mesh.SetUVs(0, vector2s);
mesh.SetTriangles(nums, 0);
mesh.SetNormals(vector3s1);
mesh.SetTangents(vector4s);
meshes.Add(mesh);
vector3s.Clear();
colors.Clear();
vector2s.Clear();
vector3s1.Clear();
vector4s.Clear();
nums.Clear();
num1 = -1;
num2 = -1;
i -= single;
}
}
if (nums.Count > 0)
{
Mesh mesh1 = new Mesh();
mesh1.SetVertices(vector3s);
mesh1.SetColors(colors);
mesh1.SetUVs(0, vector2s);
mesh1.SetTriangles(nums, 0);
mesh1.SetNormals(vector3s1);
mesh1.SetTangents(vector4s);
meshes.Add(mesh1);
}
return(meshes);
}
GameObject BuildChunk(Vec2 coord)
{
Vector3[] verts = new Vector3[(GRID_SIZE + 3) * (GRID_SIZE + 3)];
int[] tris = new int[(GRID_SIZE + 2) * (GRID_SIZE + 2) * 6];
//Vector2[] uvs = new Vector2[verts.Length];
GameObject go = new GameObject(string.Format("Chunk ({0},{1})", coord.x, coord.y));
// generate vertices and colors
List <Vector3> kelpPoints = new List <Vector3>();
for (int i = 0, y = -1; y <= GRID_SIZE + 1; ++y)
{
for (int x = -1; x <= GRID_SIZE + 1; ++x, ++i)
{
float xf = (x + coord.x * GRID_SIZE - GRID_SIZE / 2.0f) * GRID_SCALE;
float yf = (y + coord.y * GRID_SIZE - GRID_SIZE / 2.0f) * GRID_SCALE;
Vector3 p = GeneratePoint(xf, yf);
verts[i] = p;
if (Noise.Billow(new Vector3(xf, yf, 0), 3, 0.02f) > -0.2f)
{
kelpPoints.Add(p);
}
if (Random.value < 0.02f)
{
bool isCoral = Random.value < 0.25f;
if (isCoral)
{
GameObject pre = Instantiate(coralPrefab, p, Random.rotation, go.transform);
MeshData data = MeshGenerator.GenerateIcosphere(3);
for (int j = 0; j < data.vertices.Length; ++j)
{
data.vertices[j] *= 1.0f + Noise.Ridged(data.vertices[j], 3, Random.Range(0.5f, 1.0f)) * 0.5f;
}
pre.GetComponent <MeshFilter>().sharedMesh = data.CreateMesh();
pre.transform.localScale = Vector3.one * (2 + Random.value * 5);
}
else
{
GameObject pre = Instantiate(rockPrefab, p, Random.rotation, go.transform);
MeshData data = MeshGenerator.GenerateIcosphere(1);
for (int j = 0; j < data.vertices.Length; ++j)
{
data.vertices[j] *= 1.0f + Noise.Ridged(data.vertices[j], 3, Random.Range(0.3f, 0.8f)) * 0.3f;
}
pre.GetComponent <MeshFilter>().sharedMesh = data.CreateMesh();
pre.transform.localScale = Vector3.one * (1 + Random.value * 3);
}
}
if (Random.value < 0.0025f)
{
GameObject g = Instantiate(recyclerPrefab, p + Vector3.up * 0.8f, Quaternion.identity, go.transform);
}
if (Random.value < 0.005f)
{
GameObject creature = Instantiate(creatures[Random.Range(0, creatures.Length)], p + Vector3.up * (2.0f + Random.value * 10.0f), Quaternion.identity, go.transform);
}
if (Random.value < 0.0015f)
{
GameObject trash = Instantiate(trashes[Random.Range(0, trashes.Length)], new Vector3(p.x, 70 - Random.Range(1.0f, 10.0f), p.z), Random.rotation, go.transform);
}
}
}
Mesh kelps = MeshGenerator.GenerateStrips(kelpPoints);
GameObject kelpGo = Instantiate(kelpPrefab, Vector3.zero, Quaternion.identity, go.transform);
kelpGo.GetComponent <MeshFilter>().sharedMesh = kelps;
// generate triangles
GenerateTriangles(tris, GRID_SIZE + 2);
// generate the normals
Vector3[] normals = new Vector3[verts.Length];
for (int i = 0; i < tris.Length / 3; ++i)
{
int a = tris[i * 3];
int b = tris[i * 3 + 1];
int c = tris[i * 3 + 2];
Vector3 va = verts[a];
Vector3 vb = verts[b];
Vector3 vc = verts[c];
Vector3 norm = Vector3.Cross(vb - va, vc - va);
normals[a] += norm;
normals[b] += norm;
normals[c] += norm;
}
for (int i = 0; i < normals.Length; ++i)
{
normals[i].Normalize();
}
// now slice off extra vert layer
Vector3[] vs = new Vector3[(GRID_SIZE + 1) * (GRID_SIZE + 1)];
Vector3[] ns = new Vector3[vs.Length];
int[] ts = new int[GRID_SIZE * GRID_SIZE * 6];
for (int y = 0; y < GRID_SIZE + 1; ++y)
{
for (int x = 0; x < GRID_SIZE + 1; ++x)
{
int oi = x + y * (GRID_SIZE + 1);
int ci = (x + 1) + (y + 1) * (GRID_SIZE + 3);
vs[oi] = verts[ci];
ns[oi] = normals[ci];
}
}
GenerateTriangles(ts, GRID_SIZE);
Mesh m = new Mesh();
m.vertices = vs;
m.triangles = ts;
m.normals = ns;
go.transform.parent = transform;
// build mesh collider from the shared mesh
go.AddComponent <MeshCollider>().sharedMesh = m;
m.RecalculateBounds();
//m.RecalculateNormals();
go.AddComponent <MeshFilter>().mesh = m;
MeshRenderer mr = go.AddComponent <MeshRenderer>();
mr.material = mat;
mr.shadowCastingMode = UnityEngine.Rendering.ShadowCastingMode.TwoSided;
return(go);
}