//private bool first = true;
/// <summary>
/// Ejecuta el shader original de formato propio de Quake 3 convertido a una version similar de HLSL en DirectX.
/// Estado experimental. Desabilitado por el momento.
/// </summary>
private void renderShaderMesh(TgcMesh mesh, QShaderData shader)
{
// if ((shader.Stages[0].HasBlendFunc) ^ (pass == 1))
// {
//tiene es opaco se tiene que renderizar en la primer pasada
//tiene alpha blending se tiene que renderizar en la segunda pasada
// return;
//}
var fx = shader.Fx;
fx.Technique = "tec0";
fx.SetValue("g_mWorld", TGCMatrix.Identity);
fx.SetValue("g_mViewProj", mViewProj);
fx.SetValue("g_time", time);
TgcTexture originalTexture = null;
if (mesh.DiffuseMaps != null)
{
originalTexture = mesh.DiffuseMaps[0];
}
fx.Begin(FX.None);
for (var j = 0; j < shader.Stages.Count; j++)
{
fx.BeginPass(j);
if (shader.Stages[j].Textures.Count > 0)
{
mesh.DiffuseMaps[0] = shader.Stages[j].Textures[0];
}
//mesh.render();
D3DDevice.Instance.Device.SetTexture(0, mesh.DiffuseMaps[0].D3dTexture);
if (mesh.LightMap != null)
{
D3DDevice.Instance.Device.SetTexture(1, mesh.LightMap.D3dTexture);
}
else
{
D3DDevice.Instance.Device.SetTexture(1, null);
}
mesh.D3dMesh.DrawSubset(0);
fx.EndPass();
}
fx.End();
if (mesh.DiffuseMaps != null)
{
mesh.DiffuseMaps[0] = originalTexture;
}
}
private static List <string> BuildEffectState(QShaderData shader, QShaderStage qstage)
{
var StateLines = new List <string>();
StateLines.Add("AlphaBlendEnable = " + qstage.HasBlendFunc.ToString().ToLower() + ";");
StateLines.Add("SrcBlend = " + GLtoDXBlend(qstage.BlendSrc) + ";");
StateLines.Add("DestBlend = " + GLtoDXBlend(qstage.BlendDest) + ";");
//StateLines.Add("ZWriteEnable = " + (!qstage.HasBlendFunc).ToString().ToLower() + ";");
if (!shader.Cull.Equals(""))
{
if (shader.Cull.ToLower().Equals("disable"))
{
shader.Cull = "None";
}
StateLines.Add("CullMode = " + shader.Cull + ";");
}
return(StateLines);
}
public static string BuildShaderSource(QShaderData shader)
{
//devuelve el codigo del Fx
var shaderCode = new ShaderCode();
shaderCode.AuxFuntions.Add(CreateSquareFunction());
shaderCode.AuxFuntions.Add(CreateTriangleFunction());
shaderCode.VsStruct.Add("float4 Pos : POSITION;");
shaderCode.VsStruct.Add("float3 Normal : NORMAL;");
shaderCode.VsStruct.Add("float4 Color : COLOR;");
shaderCode.VsStruct.Add("float2 Tex0 : TEXCOORD0;");
shaderCode.VsStruct.Add("float2 Tex1 : TEXCOORD1;");
shaderCode.PsStruct.Add("float4 Pos : POSITION;");
shaderCode.PsStruct.Add("float3 Normal : NORMAL;");
shaderCode.PsStruct.Add("float4 Color : COLOR;");
shaderCode.PsStruct.Add("float2 Tex0 : TEXCOORD0;");
shaderCode.PsStruct.Add("float2 Tex1 : TEXCOORD1;");
shaderCode.Globals.Add("float4x4 g_mWorld;// : WORLD;");
shaderCode.Globals.Add("float4x4 g_mViewProj;// : VIEWPROJECTION;");
shaderCode.Globals.Add("float g_time;// : TIME;");
shaderCode.Globals.Add("sampler2D texture0 : register(s0);");
shaderCode.Globals.Add("sampler2D texture1 : register(s1);");
foreach (var qstage in shader.Stages)
{
var stageCode = shaderCode.NewStage();
stageCode.VertexLines = BuildVertexShader(shader, qstage);
stageCode.PixelLines = BuildPixelShader(shader, qstage);
stageCode.StatesLines = BuildEffectState(shader, qstage);
}
return(shaderCode.Build());
}
/// <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);
}
private static List <string> BuildPixelShader(QShaderData shader, QShaderStage stage)
{
var PixelLines = new List <string>();
PixelLines.Add("float4 texColor = tex2D(texture0, In.Tex0);");
switch (stage.RgbGen)
{
case "vertex":
PixelLines.Add("float3 rgb = texColor.rgb * In.Color.rgb;");
break;
case "wave":
PixelLines.Add(CreateWaveForm("rgbWave", stage.RgbWaveform, ""));
PixelLines.Add("float3 rgb = texColor.rgb * rgbWave;");
break;
default:
PixelLines.Add("float3 rgb = texColor.rgb;");
break;
}
switch (stage.AlphaGen)
{
case "wave":
PixelLines.Add(CreateWaveForm("alpha", stage.AlphaWaveform, ""));
//PixelLines.Add("alpha = sin(g_time);");
break;
case "lightingspecular":
// For now this is VERY special cased. May not work well with all instances of lightingSpecular
PixelLines.Add("float4 light = tex2D(texture1, In.Tex1);");
PixelLines.Add("rgb *= light.rgb;");
PixelLines.Add("rgb += light.rgb * texColor.a * 0.6;");
// This was giving me problems, so I'm ignorning an actual specular calculation for now
PixelLines.Add("float alpha = 1.0;");
break;
default:
PixelLines.Add("float alpha = texColor.a;");
if (!stage.AlphaGen.Equals("1.0"))
{
PixelLines.Add("alpha = sin(g_time);");
}
//PixelLines.Add("float alpha = sin(g_time);");
break;
}
if (stage.AlphaFunc != null)
{
switch (stage.AlphaFunc)
{
case "GT0":
PixelLines.Add("if(alpha == 0.0) { discard; }");
break;
case "LT128":
PixelLines.Add("if(alpha >= 0.5) { discard; }");
break;
case "GE128":
PixelLines.Add("if(alpha < 0.5) { discard; }");
break;
default:
break;
}
}
//PixelLines.Add("if(rgb.r < 0.1 && rgb.g < 0.1 && rgb.b < 0.1)");
//PixelLines.Add("alpha = 0;");
//PixelLines.Add("discard;");
PixelLines.Add("return float4(rgb, alpha);");
return(PixelLines);
}
