private CGUtility.float3 UnpackNormalDXT5nm(CGUtility.float4 packednormal)
{
CGUtility.float3 result = new CGUtility.float3(0f, 0f, 0f);
result.xy = packednormal.wy * 2f - 1f;
result.z = Mathf.Sqrt(1f - this.saturate(this.dot(result.xy, result.xy)));
return(result);
}
private Color tex2Dlod_internal(Texture2D sampler, CGUtility.float4 uv)
{
if (sampler == null)
{
return(Color.clear);
}
uv.x -= (float)((int)uv.x);
uv.y -= (float)((int)uv.y);
return(sampler.GetPixelBilinear(uv.x, uv.y));
}
private CGUtility.float3 UnpackBump(CGUtility.float4 normal, float bump)
{
if (base.any(normal.xyz) && bump != 0f)
{
normal.xyz = base.UnpackNormal(normal).xyz;
normal.xy *= bump;
return(base.normalize(normal.xyz));
}
return(this.TransformUp);
}
private CGUtility.float4 WavesSample(Texture2D tex, float tiling, float rotation, float speed)
{
if (tiling == 0f)
{
return(0f);
}
CGUtility.float4 uv = new CGUtility.float4(this.WorldPos.xz, 0f, this.LOD);
float num;
float num2;
base.sincos(base.radians(rotation), out num, out num2);
uv.xy = new CGUtility.float2(uv.x * num2 - uv.y * num, uv.x * num + uv.y * num2);
uv.x += speed * base._Time.y * this.SystemTime;
uv.xy /= tiling;
return(base.tex2Dlod(tex, uv));
}
protected bool all(CGUtility.float4 v)
{
return(v.x * v.y * v.z * v.w != 0f);
}
public float3(CGUtility.float4 v)
{
this.x = v.x;
this.y = v.y;
this.z = v.z;
}
public float2(CGUtility.float4 v)
{
this.x = v.x;
this.y = v.y;
}
protected CGUtility.float4 tex2Dlod(Texture2D sampler, CGUtility.float4 uv)
{
Color color = this.tex2Dlod_internal(sampler, uv);
return(new CGUtility.float4(color.r, color.g, color.b, color.a));
}
private void TERRAIN_DATA()
{
this.terrainData = base.tex2Dlod(this.TerrainFlowHeightmap, this.TerrainCoords());
this.terrainData.xy = this.terrainData.xy * 2f - 1f;
this.terrainData.w = this.terrainData.w * this.TerrainHeight;
}
protected float length(CGUtility.float4 v)
{
return(v.magnitude);
}
protected CGUtility.float3 UnpackNormal(CGUtility.float4 packednormal)
{
return(this.UnpackNormalDXT5nm(packednormal));
}
protected CGUtility.float4 lerp(CGUtility.float4 a, CGUtility.float4 b, float x)
{
return(new CGUtility.float4(a.x + (b.x - a.x) * x, a.y + (b.y - a.y) * x, a.z + (b.z - a.z) * x, a.w + (b.w - a.w) * x));
}
protected float dot(CGUtility.float4 a, CGUtility.float4 b)
{
return(a.x * b.x + a.y * b.y + a.x * b.z + a.w * b.w);
}
protected bool any(CGUtility.float4 v)
{
return(v.x != 0f || v.y != 0f || v.z != 0f || v.w != 0f);
}
protected CGUtility.float4 normalize(CGUtility.float4 v)
{
return(v.normalized);
}
protected float distance(CGUtility.float4 a, CGUtility.float4 b)
{
return((a - b).magnitude);
}
private void LoadProperties(Material material)
{
if (this.SystemColor.magnitude == 0f && this.SystemValue1 == 0f && this.SystemValue2 == 0f && this.SystemValue3 == 0f && this.SystemValue4 == 0f && this.SystemValue5 == 0f && this.SystemValue6 == 0f && this.SystemVector.magnitude == 0f && this.DetailDistance == 0f && this.DetailMaxMipMap == 0f)
{
this.Displacement = 0f;
}
if (this.Flow == 0f && this.TerrainFlowPower == 0f && this.FogDensity == 0f && this.FogPower == 0f)
{
this.Displacement = 0f;
}
if (this.Displacement == 0f && this.WavesFoam1.magnitude == 0f && this.WavesFoam2.magnitude == 0f && this.WavesFoam3.magnitude == 0f)
{
this.Displacement = 0f;
}
if (this.CachedDisplacement == 0f)
{
this.Displacement = 0f;
}
this.SystemColor = material.GetColor("SystemColor");
this.SystemValue1 = material.GetFloat("SystemValue1");
this.SystemValue2 = material.GetFloat("SystemValue2");
this.SystemValue3 = material.GetFloat("SystemValue3");
this.SystemValue4 = material.GetFloat("SystemValue4");
this.SystemValue5 = material.GetFloat("SystemValue5");
this.SystemValue6 = material.GetFloat("SystemValue6");
this.SystemVector = material.GetVector("SystemVector");
this.SystemTime = material.GetFloat("SystemTime");
this.DetailDistance = material.GetFloat("DetailDistance");
this.DetailMaxMipMap = material.GetFloat("DetailMaxMipMap");
this.Terrain_Mapping = material.GetFloat("Terrain_Mapping");
this.TerrainPosition = material.GetVector("TerrainPosition");
this.TerrainResolution = material.GetFloat("TerrainResolution");
this.TerrainFlowHeightmap = (Texture2D)material.GetTexture("TerrainFlowHeightmap");
this.Flow = material.GetFloat("Flow");
this.TerrainFlowPower = material.GetFloat("TerrainFlowPower");
this.TerrainHeight = material.GetFloat("TerrainHeight");
this.SystemCalmHeight = material.GetFloat("SystemCalmHeight");
this.TerrainFog = (Texture2D)material.GetTexture("TerrainFog");
this.FogDensity = material.GetFloat("FogDensity");
this.FogPower = material.GetFloat("FogPower");
this.Displacement = material.GetFloat("Displacement");
this.WavesSlots = material.GetFloat("WavesSlots");
this.WavesCount = material.GetFloat("WavesCount");
this.WavesHeightmap1 = (Texture2D)material.GetTexture("WavesHeightmap1");
this.WavesHeightmap2 = (Texture2D)material.GetTexture("WavesHeightmap2");
this.WavesHeightmap3 = (Texture2D)material.GetTexture("WavesHeightmap3");
this.WavesNormalmap1 = (Texture2D)material.GetTexture("WavesNormalmap1");
this.WavesNormalmap2 = (Texture2D)material.GetTexture("WavesNormalmap2");
this.WavesNormalmap3 = (Texture2D)material.GetTexture("WavesNormalmap3");
this.WavesNormalmapBump1 = material.GetFloat("WavesNormalmapBump1");
this.WavesNormalmapBump2 = material.GetFloat("WavesNormalmapBump2");
this.WavesNormalmapBump3 = material.GetFloat("WavesNormalmapBump3");
this.WavesTiling1 = material.GetVector("WavesTiling1");
this.WavesTiling2 = material.GetVector("WavesTiling2");
this.WavesTiling3 = material.GetVector("WavesTiling3");
this.WavesRotation1 = material.GetVector("WavesRotation1");
this.WavesRotation2 = material.GetVector("WavesRotation2");
this.WavesRotation3 = material.GetVector("WavesRotation3");
this.WavesAmplitude1 = material.GetVector("WavesAmplitude1");
this.WavesAmplitude2 = material.GetVector("WavesAmplitude2");
this.WavesAmplitude3 = material.GetVector("WavesAmplitude3");
this.WavesSpeed1 = material.GetVector("WavesSpeed1");
this.WavesSpeed2 = material.GetVector("WavesSpeed2");
this.WavesSpeed3 = material.GetVector("WavesSpeed3");
this.WavesBump1 = material.GetVector("WavesBump1");
this.WavesBump2 = material.GetVector("WavesBump2");
this.WavesBump3 = material.GetVector("WavesBump3");
this.WavesFoam1 = material.GetVector("WavesFoam1");
this.WavesFoam2 = material.GetVector("WavesFoam2");
this.WavesFoam3 = material.GetVector("WavesFoam3");
}