public override bool Update(ParameterList pl, SunflowAPI api) { string filename = pl.getstring("texture", null); if (filename != null) tex = TextureCache.getTexture(api.resolveTextureFilename(filename), false); return tex != null && base.Update(pl, api); }
public ImageBasedLight() { texture = null; updateBasis(new Vector3(0, 0, -1), new Vector3(0, 1, 0)); numSamples = 64; numLowSamples = 8; }
public UberShader() { diff = spec = Color.GRAY; diffmap = specmap = null; diffBlend = specBlend = 1; glossyness = 0; numSamples = 4; }
public bool update(ParameterList pl, SunflowAPI api) { string filename = pl.getstring("texture", null); if (filename != null) bumpTexture = TextureCache.getTexture(api.resolveTextureFilename(filename), true); scale = pl.getFloat("scale", scale); return bumpTexture != null; }
/** * Gets a reference to the texture specified by the given filename. If the * texture has already been loaded the previous reference is returned, * otherwise, a new texture is created. * * @param filename image file to load * @param isLinear is the texture gamma corrected? * @return texture object * @see Texture */ public static Texture getTexture(string filename, bool isLinear) { lock (lockObj) { if (textures.ContainsKey(filename)) { UI.printInfo(UI.Module.TEX, "Using cached copy for file \"%s\" ...", filename); return textures[filename]; } UI.printInfo(UI.Module.TEX, "Using file \"%s\" ...", filename); Texture t = new Texture(filename, isLinear); textures.Add(filename, t); return t; } }
public bool update(ParameterList pl, SunflowAPI api) { updateBasis(pl.getVector("center", null), pl.getVector("up", null)); numSamples = pl.getInt("samples", numSamples); string filename = pl.getstring("texture", null); if (filename != null) texture = TextureCache.getTexture(api.resolveTextureFilename(filename), true); // no texture provided if (texture == null) return false; Bitmap b = texture.getBitmap(); if (b == null) return false; // rebuild histograms if this is a new texture if (filename != null) { imageHistogram = new float[b.Width][]; for(int i = 0;i < imageHistogram.Length;i++) imageHistogram[i] = new float[b.Height]; colHistogram = new float[b.Width]; float du = 1.0f / b.Width; float dv = 1.0f / b.Height; for (int x = 0; x < b.Width; x++) { for (int y = 0; y < b.Height; y++) { float u = (x + 0.5f) * du; float v = (y + 0.5f) * dv; Color c = texture.getPixel(u, v); // box filter the image // c.add(texture.getPixel(u + du, v)); // c.add(texture.getPixel(u + du, v+ dv)); // c.add(texture.getPixel(u, v + dv)); // c.mul(0.25f); imageHistogram[x][y] = c.getLuminance() * (float) Math.Sin(Math.PI * v); if (y > 0) imageHistogram[x][y] += imageHistogram[x][y - 1]; } colHistogram[x] = imageHistogram[x][b.Height - 1]; if (x > 0) colHistogram[x] += colHistogram[x - 1]; for (int y = 0; y < b.Height; y++) imageHistogram[x][y] /= imageHistogram[x][b.Height - 1]; } for (int x = 0; x < b.Width; x++) colHistogram[x] /= colHistogram[b.Width - 1]; jacobian = (float) (2 * Math.PI * Math.PI) / (b.Width * b.Height); } // take fixed samples if (pl.getbool("fixed", samples != null)) { // Bitmap loc = new Bitmap(filename); samples = new Vector3[numSamples]; colors = new Color[numSamples]; for (int i = 0; i < numSamples; i++) { double randX = (double) i / (double) numSamples; double randY = QMC.halton(0, i); int x = 0; while (randX >= colHistogram[x] && x < colHistogram.Length - 1) x++; float[] rowHistogram = imageHistogram[x]; int y = 0; while (randY >= rowHistogram[y] && y < rowHistogram.Length - 1) y++; // sample from (x, y) float u = (float) ((x == 0) ? (randX / colHistogram[0]) : ((randX - colHistogram[x - 1]) / (colHistogram[x] - colHistogram[x - 1]))); float v = (float) ((y == 0) ? (randY / rowHistogram[0]) : ((randY - rowHistogram[y - 1]) / (rowHistogram[y] - rowHistogram[y - 1]))); float px = ((x == 0) ? colHistogram[0] : (colHistogram[x] - colHistogram[x - 1])); float py = ((y == 0) ? rowHistogram[0] : (rowHistogram[y] - rowHistogram[y - 1])); float su = (x + u) / colHistogram.Length; float sv = (y + v) / rowHistogram.Length; float invP = (float) Math.Sin(sv * Math.PI) * jacobian / (numSamples * px * py); samples[i] = getDirection(su, sv); basis.transform(samples[i]); colors[i] = texture.getPixel(su, sv).mul(invP); // loc.setPixel(x, y, Color.YELLOW.copy().mul(1e6f)); } // loc.save("samples.hdr"); } else { // turn off samples = null; colors = null; } return true; }
public bool Update(ParameterList pl, SunflowAPI api) { diff = pl.getColor("diffuse", diff); spec = pl.getColor("specular", spec); string filename; filename = pl.getstring("diffuse.texture", null); if (filename != null) diffmap = TextureCache.getTexture(api.resolveTextureFilename(filename), false); filename = pl.getstring("specular.texture", null); if (filename != null) specmap = TextureCache.getTexture(api.resolveTextureFilename(filename), false); diffBlend = MathUtils.clamp(pl.getFloat("diffuse.blend", diffBlend), 0, 1); specBlend = MathUtils.clamp(pl.getFloat("specular.blend", diffBlend), 0, 1); glossyness = MathUtils.clamp(pl.getFloat("glossyness", glossyness), 0, 1); numSamples = pl.getInt("samples", numSamples); return true; }
public TexturedAmbientOcclusionShader() { tex = null; }
public TexturedPhongShader() { tex = null; }
public TexturedShinyDiffuseShader() { tex = null; }
public TexturedWardShader() { tex = null; }
public BumpMappingModifier() { bumpTexture = null; scale = 1; }
public bool Update(ParameterList pl, SunflowAPI api) { updateBasis(pl.getVector("center", null), pl.getVector("up", null)); numSamples = pl.getInt("samples", numSamples); numLowSamples = pl.getInt("lowsamples", numLowSamples); string filename = pl.getstring("texture", null); if (filename != null) texture = TextureCache.getTexture(api.resolveTextureFilename(filename), false); // no texture provided if (texture == null) return false; Bitmap b = texture.getBitmap(); if (b == null) return false; // rebuild histograms if this is a new texture if (filename != null) { imageHistogram = new float[b.getWidth()][]; for(int i = 0;i < imageHistogram.Length;i++) imageHistogram[i] = new float[b.getHeight()]; colHistogram = new float[b.getWidth()]; float du = 1.0f / b.getWidth(); float dv = 1.0f / b.getHeight(); for (int x = 0; x < b.getWidth(); x++) { for (int y = 0; y < b.getHeight(); y++) { float u = (x + 0.5f) * du; float v = (y + 0.5f) * dv; Color c = texture.getPixel(u, v); imageHistogram[x][y] = c.getLuminance() * (float) Math.Sin(Math.PI * v); if (y > 0) imageHistogram[x][y] += imageHistogram[x][y - 1]; } colHistogram[x] = imageHistogram[x][b.getHeight() - 1]; if (x > 0) colHistogram[x] += colHistogram[x - 1]; for (int y = 0; y < b.getHeight(); y++) imageHistogram[x][y] /= imageHistogram[x][b.getHeight() - 1]; } for (int x = 0; x < b.getWidth(); x++) colHistogram[x] /= colHistogram[b.getWidth() - 1]; jacobian = (float) (2 * Math.PI * Math.PI) / (b.getWidth() * b.getHeight()); } // take fixed samples if (pl.getbool("fixed", samples != null)) { // high density samples samples = new Vector3[numSamples]; colors = new Color[numSamples]; generateFixedSamples(samples, colors); // low density samples lowSamples = new Vector3[numLowSamples]; lowColors = new Color[numLowSamples]; generateFixedSamples(lowSamples, lowColors); } else { // turn off samples = lowSamples = null; colors = lowColors = null; } return true; }