static void OnDeleteThis(int serialNumber)
{
TextureEvaluator eval = FromSerialNumber(serialNumber);
if (eval != null)
{
eval.m_pRhRdkTextureEvaluator = IntPtr.Zero;
}
}
/// <summary>
/// Constructs a texture evaluator. This is an independent lightweight object
/// capable of evaluating texture color throughout uvw space. May be called
/// from within a rendering shade pipeline.
/// </summary>
/// <returns>A texture evaluator instance.</returns>
public virtual TextureEvaluator CreateEvaluator()
{
if (IsNativeWrapper())
{
IntPtr pConstThis = ConstPointer();
IntPtr pTE = UnsafeNativeMethods.Rdk_RenderTexture_NewTextureEvaluator(pConstThis);
if (pTE != IntPtr.Zero)
{
TextureEvaluator te = new TextureEvaluator(pTE);
return te;
}
}
return null;
}
/// <summary>
/// Constructs a texture evaluator. This is an independent lightweight object
/// capable of evaluating texture color throughout uvw space. May be called
/// from within a rendering shade pipeline.
/// </summary>
/// <returns>A texture evaluator instance.</returns>
public virtual TextureEvaluator CreateEvaluator()
{
if (IsNativeWrapper())
{
IntPtr ptr_const_this = ConstPointer();
IntPtr ptr_texture_evaluator = UnsafeNativeMethods.Rdk_RenderTexture_NewTextureEvaluator(ptr_const_this);
if (ptr_texture_evaluator != IntPtr.Zero)
{
TextureEvaluator te = new TextureEvaluator(ptr_texture_evaluator);
return(te);
}
}
return(null);
}
static TextureEvaluator FromSerialNumber(int serialNumber)
{
int index = serialNumber - 1;
if (index >= 0 && index < m_all_custom_evaluators.Count)
{
TextureEvaluator rc = m_all_custom_evaluators[index];
if (rc != null && rc.m_runtime_serial_number == serialNumber)
{
return(rc);
}
}
return(null);
}
static int OnGetColor(int serialNumber, Point3d uvw, Vector3d duvwdx, Vector3d duvwdy, ref Display.Color4f color)
{
int rc = 0;
TextureEvaluator eval = FromSerialNumber(serialNumber);
if (eval != null)
{
Display.Color4f c = eval.GetColor(uvw, duvwdx, duvwdy);
if (c != Display.Color4f.Empty)
{
color = c;
rc = 1;
}
}
return(rc);
}
static IntPtr OnNewTextureEvaluator(int serialNumber)
{
IntPtr rc = IntPtr.Zero;
try
{
RenderTexture texture = FromSerialNumber(serialNumber) as RenderTexture;
if (texture != null)
{
TextureEvaluator eval = texture.CreateEvaluator();
if (eval != null)
{
rc = eval.NonConstPointer();
}
}
}
catch
{
rc = IntPtr.Zero;
}
return(rc);
}
private static FloatBitmap RetrieveFloatsImg(uint rId, int pwidth, int pheight, TextureEvaluator textureEvaluator, bool isEnv, bool planarProjection, bool isLinear)
{
var read = FloatImagesNew.ContainsKey(rId);
var img = read ? FloatImagesNew[rId] : new FloatBitmap(rId, ReadFloatBitmapFromEvaluator(pwidth, pheight, textureEvaluator, isEnv, planarProjection), pwidth, pheight, isLinear);
if (!read)
{
if(RcCore.It.EngineSettings.SaveDebugImages) img.SaveBitmaps();
FloatImagesNew[rId] = img;
}
return img;
}
/// <summary>
/// Read image as float array from texture evaluator.
/// </summary>
/// <param name="pwidth"></param>
/// <param name="pheight"></param>
/// <param name="textureEvaluator"></param>
/// <param name="isEnvironment"></param>
/// <param name="planarProjection"></param>
/// <returns></returns>
private static float[] ReadFloatBitmapFromEvaluator(int pwidth, int pheight, TextureEvaluator textureEvaluator, bool isEnvironment, bool planarProjection)
{
var fpixel = new float[pwidth*pheight*4];
var halfpixelU = 0.5 / pwidth;
var halfpixelV = 0.5 / pheight;
var duvw = new Vector3d(halfpixelU, halfpixelV, 0.0);
for (var x = 0; x < pwidth; x++)
{
for (var y = 0; y < pheight; y++)
{
var fx = x/(float) pwidth + halfpixelU;
if (isEnvironment && !planarProjection) fx += 0.5f;
var fy = y/(float) pheight + halfpixelV;
if (planarProjection) fy = 1.0f - fy;
// remember z can be !0.0 for volumetrics
var col4F = textureEvaluator.GetColor(new Point3d(fx, fy, 0.0), duvw, duvw);
var offset = x*4 + pwidth*y*4;
fpixel[offset] = col4F.R;
fpixel[offset + 1] = col4F.G;
fpixel[offset + 2] = col4F.B;
fpixel[offset + 3] = col4F.A;
}
}
return fpixel;
}
private static void InternalMaterialBitmapFromEvaluator(CyclesShader shader, RenderTexture renderTexture,
RenderMaterial.StandardChildSlots textureType, Rhino.Geometry.Transform rhinotfm, uint rId, TextureEvaluator actualEvaluator,
TextureProjectionMode projectionMode, TextureEnvironmentMappingMode envProjectionMode)
{
int pheight;
int pwidth;
try
{
int u, v, w;
renderTexture.PixelSize(out u, out v, out w);
pheight = u;
pwidth = v;
}
catch (Exception)
{
pheight = 1024;
pwidth = 1024;
}
if (pheight == 0 || pwidth == 0)
{
pheight = 1024;
pwidth = 1024;
}
Transform t = new Transform(
rhinotfm.ToFloatArray(true)
);
var isFloat = renderTexture.IsHdrCapable();
var isLinear = renderTexture.IsLinear();
if (isFloat)
{
var img = RetrieveFloatsImg(rId, pwidth, pheight, actualEvaluator, false, false, isLinear);
img.ApplyGamma(shader.Gamma);
switch (textureType)
{
case RenderMaterial.StandardChildSlots.Diffuse:
shader.DiffuseTexture.IsLinear = isLinear;
shader.DiffuseTexture.TexFloat = img.Data;
shader.DiffuseTexture.TexByte = null;
break;
case RenderMaterial.StandardChildSlots.Bump:
shader.BumpTexture.IsLinear = isLinear;
shader.BumpTexture.TexFloat = img.Data;
shader.BumpTexture.TexByte = null;
break;
case RenderMaterial.StandardChildSlots.Transparency:
shader.TransparencyTexture.IsLinear = isLinear;
shader.TransparencyTexture.TexFloat = img.Data;
shader.TransparencyTexture.TexByte = null;
break;
case RenderMaterial.StandardChildSlots.Environment:
shader.EnvironmentTexture.IsLinear = isLinear;
shader.EnvironmentTexture.TexFloat = img.Data;
shader.EnvironmentTexture.TexByte = null;
break;
}
}
else
{
var img = RetrieveBytesImg(rId, pwidth, pheight, actualEvaluator, false, false, isLinear);
img.ApplyGamma(shader.Gamma);
switch (textureType)
{
case RenderMaterial.StandardChildSlots.Diffuse:
shader.DiffuseTexture.IsLinear = isLinear;
shader.DiffuseTexture.TexFloat = null;
shader.DiffuseTexture.TexByte = img.Data;
break;
case RenderMaterial.StandardChildSlots.Bump:
shader.BumpTexture.IsLinear = isLinear;
shader.BumpTexture.TexFloat = null;
shader.BumpTexture.TexByte = img.Data;
break;
case RenderMaterial.StandardChildSlots.Transparency:
shader.TransparencyTexture.IsLinear = isLinear;
shader.TransparencyTexture.TexFloat = null;
shader.TransparencyTexture.TexByte = img.Data;
break;
case RenderMaterial.StandardChildSlots.Environment:
shader.EnvironmentTexture.IsLinear = isLinear;
shader.EnvironmentTexture.TexFloat = null;
shader.EnvironmentTexture.TexByte = img.Data;
break;
}
}
switch (textureType)
{
case RenderMaterial.StandardChildSlots.Diffuse:
shader.DiffuseTexture.TexWidth = pwidth;
shader.DiffuseTexture.TexHeight = pheight;
shader.DiffuseTexture.ProjectionMode = projectionMode;
shader.DiffuseTexture.EnvProjectionMode = envProjectionMode;
shader.DiffuseTexture.Transform = t;
shader.DiffuseTexture.Name = rId.ToString(CultureInfo.InvariantCulture);
break;
case RenderMaterial.StandardChildSlots.Bump:
shader.BumpTexture.TexWidth = pwidth;
shader.BumpTexture.TexHeight = pheight;
shader.BumpTexture.ProjectionMode = projectionMode;
shader.BumpTexture.EnvProjectionMode = envProjectionMode;
shader.BumpTexture.Transform = t;
shader.BumpTexture.Name = rId.ToString(CultureInfo.InvariantCulture);
break;
case RenderMaterial.StandardChildSlots.Transparency:
shader.TransparencyTexture.TexWidth = pwidth;
shader.TransparencyTexture.TexHeight = pheight;
shader.TransparencyTexture.ProjectionMode = projectionMode;
shader.TransparencyTexture.EnvProjectionMode = envProjectionMode;
shader.TransparencyTexture.Transform = t;
shader.TransparencyTexture.Name = rId.ToString(CultureInfo.InvariantCulture);
break;
case RenderMaterial.StandardChildSlots.Environment:
shader.EnvironmentTexture.TexWidth = pwidth;
shader.EnvironmentTexture.TexHeight = pheight;
// special texture, always set to Environment/Emap
shader.EnvironmentTexture.ProjectionMode = TextureProjectionMode.EnvironmentMap;
shader.EnvironmentTexture.EnvProjectionMode = TextureEnvironmentMappingMode.EnvironmentMap;
shader.EnvironmentTexture.Transform = t;
shader.EnvironmentTexture.Name = rId.ToString(CultureInfo.InvariantCulture);
break;
}
}