private static QWaveForm ParseWaveform(QShaderTokenizer tokenizer) { return(new QWaveForm { Name = tokenizer.GetNext().ToLower(), Bas = ParserTools.ToFloat(tokenizer.GetNext()), Amp = ParserTools.ToFloat(tokenizer.GetNext()), Phase = ParserTools.ToFloat(tokenizer.GetNext()), Freq = ParserTools.ToFloat(tokenizer.GetNext()) }); }
public static string CreateWaveForm(string name, QWaveForm wf, string timeVar) { if (wf == null) { return("float " + name + " = 0.0;"); } if (timeVar.Equals("")) { timeVar = "g_time"; } var funcName = ""; switch (wf.Name) { case "sin": //retorna: float name = base + sin(( pha + t*freq )*2PI)*Amp; return("float " + name + " = " + ParserTools.ToString(wf.Bas) + " + sin((" + ParserTools.ToString(wf.Phase) + " + " + timeVar + " * " + ParserTools.ToString(wf.Freq) + ") * 6.283) * " + ParserTools.ToString(wf.Amp) + ";"); case "square": funcName = "square"; break; case "triangle": funcName = "triangle"; break; case "sawtooth": funcName = "frac"; break; case "inversesawtooth": funcName = "1.0 - frac"; break; default: return("float " + name + " = 0.0;"); } //retorna: float varname = base + func(pha + t*freq)*Amp; return("float " + name + " = " + ParserTools.ToString(wf.Bas) + " + " + funcName + "(" + ParserTools.ToString(wf.Phase) + " + " + timeVar + " * " + ParserTools.ToString(wf.Freq) + ") * " + ParserTools.ToString(wf.Amp) + ";"); }
private static QShaderStage ParseStage(QShaderTokenizer tokenizer) { var stage = new QShaderStage(); // Parse a Stage while (!tokenizer.EOF) { var token = tokenizer.GetNext(); if (token.Equals("}")) { break; } switch (token.ToLower()) { case "clampmap": stage.Clamp = true; goto case "map"; case "map": stage.Map = tokenizer.GetNext(); //.replace()/(\.jpg|\.tga)/, '.png'); break; case "animmap": stage.Map = "anim"; stage.AnimFreq = ParserTools.ToFloat(tokenizer.GetNext()); var nextMap = tokenizer.GetNext(); var match = Regex.Match(nextMap, @"(\.jpg|\.tga)"); while (match.Success) { stage.AnimMaps.Add(nextMap); nextMap = tokenizer.GetNext(); match = Regex.Match(nextMap, @"(\.jpg|\.tga)"); } tokenizer.MovePrev(); break; case "rgbgen": stage.RgbGen = tokenizer.GetNext().ToLower(); switch (stage.RgbGen) { case "wave": stage.RgbWaveform = ParseWaveform(tokenizer); if (stage.RgbWaveform == null) { stage.RgbGen = "identity"; } break; } ; break; case "alphagen": stage.AlphaGen = tokenizer.GetNext().ToLower(); switch (stage.AlphaGen) { case "wave": stage.AlphaWaveform = ParseWaveform(tokenizer); if (stage.AlphaWaveform == null) { stage.AlphaGen = "1.0"; } break; default: break; } break; case "alphafunc": stage.AlphaFunc = tokenizer.GetNext().ToUpper(); break; case "blendfunc": stage.BlendSrc = tokenizer.GetNext(); stage.HasBlendFunc = true; if (stage.DepthWriteOverride) { stage.DepthWrite = false; } switch (stage.BlendSrc) { case "add": stage.BlendSrc = "GL_ONE"; stage.BlendDest = "GL_ONE"; break; case "blend": stage.BlendSrc = "GL_SRC_ALPHA"; stage.BlendDest = "GL_ONE_MINUS_SRC_ALPHA"; break; case "filter": stage.BlendSrc = "GL_DST_COLOR"; stage.BlendDest = "GL_ZERO"; break; default: stage.BlendDest = tokenizer.GetNext(); break; } break; case "depthfunc": stage.DepthFunc = tokenizer.GetNext().ToLower(); break; case "depthwrite": stage.DepthWrite = true; stage.DepthWriteOverride = true; break; case "tcmod": var tcMod = new QTcMod { Type = tokenizer.GetNext().ToLower() }; switch (tcMod.Type) { case "rotate": tcMod.Angle = Geometry.DegreeToRadian(ParserTools.ToFloat(tokenizer.GetNext())); break; case "scale": tcMod.ScaleX = ParserTools.ToFloat(tokenizer.GetNext()); tcMod.ScaleY = ParserTools.ToFloat(tokenizer.GetNext()); break; case "scroll": tcMod.SSpeed = ParserTools.ToFloat(tokenizer.GetNext()); tcMod.TSpeed = ParserTools.ToFloat(tokenizer.GetNext()); break; case "stretch": tcMod.WaveForm = ParseWaveform(tokenizer); if (tcMod.WaveForm == null) { tcMod.Type = ""; } break; case "turb": tcMod.Turbulance = new QWaveForm { Name = char.IsLetter(tokenizer.GetToken()[0]) ? tokenizer.GetNext() : "", Bas = ParserTools.ToFloat(tokenizer.GetNext()), Amp = ParserTools.ToFloat(tokenizer.GetNext()), Phase = ParserTools.ToFloat(tokenizer.GetNext()), Freq = ParserTools.ToFloat(tokenizer.GetNext()) }; break; default: tcMod.Type = ""; break; } if (!tcMod.Type.Equals("")) { stage.TcMods.Add(tcMod); } break; case "tcgen": stage.TcGen = tokenizer.GetNext(); break; default: break; } } if (stage.BlendSrc.Equals("GL_ONE") && stage.BlendDest.Equals("GL_ZERO")) { stage.HasBlendFunc = false; stage.DepthWrite = true; } return(stage); }
/// <summary> /// Parsear shader /// </summary> private static QShaderData ParseShader(QShaderTokenizer tokenizer) { var qsd = new QShaderData(); qsd.Name = tokenizer.GetNext(); var token = tokenizer.GetNext(); if (!token.Equals("{")) { return(null); } // Parse a shader while (!tokenizer.EOF) { token = tokenizer.GetNext().ToLower(); if (token.Equals("}")) { break; } switch (token) { case "{": var stage = ParseStage(tokenizer); // I really really really don't like doing this, which basically just forces lightmaps to use the 'filter' blendmode // but if I don't a lot of textures end up looking too bright. I'm sure I'm jsut missing something, and this shouldn't // be needed. if (stage.IsLightMap() && stage.HasBlendFunc) { stage.BlendSrc = "GL_DST_COLOR"; stage.BlendDest = "GL_ZERO"; } // I'm having a ton of trouble getting lightingSpecular to work properly, // so this little hack gets it looking right till I can figure out the problem if (stage.AlphaGen.Equals("lightingspecular")) { stage.BlendSrc = "GL_ONE"; stage.BlendDest = "GL_ZERO"; stage.HasBlendFunc = false; stage.DepthWrite = true; } if (stage.HasBlendFunc) { qsd.Blend = true; } else { qsd.Opaque = true; } qsd.Stages.Add(stage); break; case "cull": qsd.Cull = tokenizer.GetNext(); break; case "deformvertexes": var deform = new QShaderDeform { Type = tokenizer.GetNext().ToLower() }; switch (deform.Type) { case "wave": deform.Spread = 1.0f / ParserTools.ToFloat(tokenizer.GetNext()); deform.WaveForm = ParseWaveform(tokenizer); break; case "bulge": deform.BulgeWidth = ParserTools.ToFloat(tokenizer.GetNext()); deform.BulgeHeight = ParserTools.ToFloat(tokenizer.GetNext()); deform.BulgeSpeed = ParserTools.ToFloat(tokenizer.GetNext()); break; default: deform = null; break; } if (deform != null) { qsd.VertexDeforms.Add(deform); } break; case "sort": var sort = tokenizer.GetNext().ToLower(); switch (sort) { case "portal": qsd.Sort = 1; break; case "sky": qsd.Sort = 2; break; case "opaque": qsd.Sort = 3; break; case "banner": qsd.Sort = 6; break; case "underwater": qsd.Sort = 8; break; case "additive": qsd.Sort = 9; break; case "nearest": qsd.Sort = 16; break; default: qsd.Sort = int.Parse(sort); break; } ; break; case "surfaceparm": var param = tokenizer.GetNext().ToLower(); switch (param) { case "sky": qsd.Sky = true; break; default: break; } break; default: break; } } if (qsd.Sort > 0) { qsd.Sort = qsd.Opaque ? 3 : 9; } return(qsd); }
private static List <string> BuildVertexShader(QShaderData shader, QShaderStage stage) { var VertexLines = new List <string>(); VertexLines.Add("PSInput Out = In;"); VertexLines.Add("float4 defPosition = In.Pos;"); for (var i = 0; i < shader.VertexDeforms.Count; ++i) { var deform = shader.VertexDeforms[i]; switch (deform.Type) { case "wave": { var name = "deform" + i; var offName = "deformOff" + i; VertexLines.Add( "float " + offName + " = (In.Pos.x + In.Pos.y + In.Pos.z) * " + ParserTools.ToString(deform.Spread) + ";"); /*float phase = deform.WaveForm.Phase; * //deform.WaveForm.Phase = phase.toFixed(4) + ' + ' + offName; <-----MIRAR ESTA LINEA * VertexLines.Add(CreateWaveForm(name, deform.WaveForm, "g_time")); * deform.WaveForm.Phase = phase;*/ //Parche temporal solo funciona con la funcion seno VertexLines.Add("float " + name + " = " + ParserTools.ToString(deform.WaveForm.Bas) + " + sin((" + ParserTools.ToString(deform.WaveForm.Phase) + " + " + "g_time" + " * " + ParserTools.ToString(deform.WaveForm.Freq) + " + " + offName + ") * 6.283) * " + ParserTools.ToString(deform.WaveForm.Amp) + ";"); //FIN parche VertexLines.Add("defPosition += float4(In.Normal * " + name + ",0);"); } break; case "bulge": { //float alpha = In.Tex0.x*bulgeWidth + g_time; //float deform = sin(alpha)*bulgeHeight; //defPosition += float4(In.Normal * deform0, 0); var deformi = "deform" + i; var alphai = "alpha" + i; VertexLines.Add("float " + alphai + " = In.Tex0.x*" + deform.BulgeWidth + " + g_time*" + deform.BulgeSpeed + ";"); VertexLines.Add("float " + deformi + " = sin(" + alphai + ")*" + deform.BulgeHeight + ";"); VertexLines.Add("defPosition += float4(In.Normal * " + deformi + ",0);"); } break; default: break; } } VertexLines.Add("float4 worldPosition = mul( defPosition, g_mWorld );"); VertexLines.Add("Out.Color = In.Color;"); if (stage.TcGen.Equals("environment")) { VertexLines.Add("float3 viewer = normalize(-worldPosition.xyz);"); VertexLines.Add("float d = dot(In.Normal, viewer);"); VertexLines.Add("float3 reflected = In.Normal*2.0*d - viewer;"); VertexLines.Add("Out.Tex0 = float2(0.5, 0.5) + reflected.xy * 0.5;"); } else { // Standard texturing VertexLines.Add("Out.Tex0 = In.Tex0;"); } // tcMods for (var i = 0; i < stage.TcMods.Count; ++i) { var tcMod = stage.TcMods[i]; switch (tcMod.Type) { case "rotate": VertexLines.Add("float r = " + ParserTools.ToString(tcMod.Angle) + " * g_time;"); VertexLines.Add("Out.Tex0 -= float2(0.5, 0.5);"); VertexLines.Add( "Out.Tex0 = float2(Out.Tex0.x * cos(r) - Out.Tex0.y * sin(r), Out.Tex0.y * cos(r) + Out.Tex0.x * sin(r));"); VertexLines.Add("Out.Tex0 += float2(0.5, 0.5);"); break; case "scroll": VertexLines.Add( "Out.Tex0 += float2(" + ParserTools.ToString(tcMod.SSpeed) + " * g_time, " + ParserTools.ToString(tcMod.TSpeed) + " * g_time);"); break; case "scale": VertexLines.Add( "Out.Tex0 *= float2(" + ParserTools.ToString(tcMod.ScaleX) + ", " + ParserTools.ToString(tcMod.ScaleY) + ");" ); break; case "stretch": VertexLines.Add(CreateWaveForm("stretchWave", tcMod.WaveForm, "")); VertexLines.Add("stretchWave = 1.0 / stretchWave;"); VertexLines.Add("Out.Tex0 *= stretchWave;"); VertexLines.Add("Out.Tex0 += float2(0.5 - (0.5 * stretchWave), 0.5 - (0.5 * stretchWave));"); break; case "turb": var tName = "turbTime" + i; VertexLines.Add("float " + tName + " = " + ParserTools.ToString(tcMod.Turbulance.Phase) + " + g_time * " + ParserTools.ToString(tcMod.Turbulance.Freq) + ";"); VertexLines.Add("Out.Tex0.x += sin( ( ( In.Pos.x + In.Pos.z )* 1.0/128.0 * 0.125 + " + tName + " ) * 6.283) * " + ParserTools.ToString(tcMod.Turbulance.Amp) + ";"); VertexLines.Add("Out.Tex0.y += sin( ( In.Pos.y * 1.0/128.0 * 0.125 + " + tName + " ) * 6.283) * " + ParserTools.ToString(tcMod.Turbulance.Amp) + ";"); break; default: break; } } switch (stage.AlphaGen) { case "lightingspecular": VertexLines.Add("Out.Tex1 = In.Tex1;"); break; default: break; } VertexLines.Add("Out.Pos = mul(worldPosition, g_mViewProj);"); VertexLines.Add("return Out;"); return(VertexLines); }