public void InitShaders(RenderContext rc)
{
if (rc != _rc)
{
_rc = rc;
_meshMap = new Dictionary<MeshContainer, Mesh>();
_matMap = new Dictionary<MaterialContainer, ShaderEffect>();
_curMat = null;
}
if (_curMat == null)
{
_curMat = MakeMaterial(new MaterialContainer
{
Diffuse = new MatChannelContainer()
{
Color = new float3(0.5f, 0.5f, 0.5f)
},
Specular = new SpecularChannelContainer()
{
Color = new float3(1, 1, 1),
Intensity = 0.5f,
Shininess = 22
}
});
CurMat.AttachToContext(rc);
}
}
public static ShaderEffect GetShaderEffect(RenderContext rc, ITexture baseTexture, ITexture colorMapTexture, float4 lineColor, float2 lineWidth)
{
EffectPassDeclaration[] epd =
{
new EffectPassDeclaration
{
VS = VsSimpleToonPass1,
PS = PsSimpleToonPass1,
StateSet = new RenderStateSet
{
AlphaBlendEnable = false,
ZEnable = true
}
},
new EffectPassDeclaration
{
VS = VsSimpleToonPass2,
PS = PsTextureToonPass2, //The only difference to the previous shader definition
StateSet = new RenderStateSet
{
AlphaBlendEnable = false,
ZEnable = true
}
}
};
var shaderEffect = new ShaderEffect(epd, new[]
{
new EffectParameterDeclaration {Name = "uLineColor", Value = lineColor},
new EffectParameterDeclaration {Name = "texture1", Value = colorMapTexture},
new EffectParameterDeclaration {Name = "uLineWidth", Value = lineWidth},
new EffectParameterDeclaration {Name = "texture2", Value = baseTexture}
});
shaderEffect.AttachToContext(rc);
return shaderEffect;
}
public static ShaderEffect GetShaderEffect(RenderContext rc, ITexture iTexture)
{
EffectPassDeclaration[] epd =
{
new EffectPassDeclaration
{
VS = VsSimpleTexture,
PS = PsSimpleTexture,
StateSet = new RenderStateSet
{
AlphaBlendEnable = false,
ZEnable = true
}
}
};
var shaderEffect = new ShaderEffect(epd, new[]
{
new EffectParameterDeclaration {Name = "texture1", Value = iTexture}
});
shaderEffect.AttachToContext(rc);
return shaderEffect;
}
public static ShaderEffect GetShaderEffect(RenderContext rc, float4 color)
{
EffectPassDeclaration[] epd =
{
new EffectPassDeclaration
{
VS = VsSimpleColor,
PS = PsSimpleColor,
StateSet = new RenderStateSet
{
AlphaBlendEnable = false,
ZEnable = true
}
}
};
var shaderEffect = new ShaderEffect(epd, new[]
{
new EffectParameterDeclaration {Name = "color", Value = color}
});
shaderEffect.AttachToContext(rc);
return shaderEffect;
}
public void SetShader(float4 baseColor, String colorMapTexturePath, float4 lineColor, float2 lineWidth)
{
var imgData = _rc.LoadImage(colorMapTexturePath);
_iTexture1 = _rc.CreateTexture(imgData);
_shaderEffect = Shader.GetShaderEffect(_rc, baseColor, _iTexture1, lineColor, lineWidth);
}
public void SetShader(String texturePath)
{
var imgData = _rc.LoadImage(texturePath);
_iTexture1 = _rc.CreateTexture(imgData);
_shaderEffect = Shader.GetShaderEffect(_rc, _iTexture1);
}
public void SetShader(float4 color)
{
_color = color;
_shaderEffect = Shader.GetShaderEffect(_rc, _color);
}
protected override void CreateGUIShader()
{
GUIShader = new ShaderEffect(new[]
{
new EffectPassDeclaration
{
VS = GUIVS,
PS = IMGPS,
StateSet = new RenderStateSet
{
AlphaBlendEnable = true,
SourceBlend = Blend.SourceAlpha,
DestinationBlend = Blend.InverseSourceAlpha,
ZEnable = true
}
}
},
new[] {new EffectParameterDeclaration {Name = "tex", Value = GUITexture}});
}
private void InitShader()
{
var imgData = RC.LoadImage("Assets/art_billard.jpg");
var iTex = RC.CreateTexture(imgData);
_shaderEffect = new ShaderEffect(
new[]
{
new EffectPassDeclaration
{
VS = @"
attribute vec4 fuColor;
attribute vec3 fuVertex;
attribute vec3 fuNormal;
attribute vec2 fuUV;
varying vec4 vColor;
varying vec3 vNormal;
varying vec2 vUV;
uniform mat4 FUSEE_MVP;
uniform mat4 FUSEE_ITMV;
uniform vec2 uLineWidth;
void main()
{
vNormal = mat3(FUSEE_ITMV[0].xyz, FUSEE_ITMV[1].xyz, FUSEE_ITMV[2].xyz) * fuNormal;
vNormal = normalize(vNormal);
gl_Position = (FUSEE_MVP * vec4(fuVertex, 1.0) ) + vec4(uLineWidth * vNormal.xy, 0, 0) + vec4(0, 0, 0.06, 0);
vUV = fuUV;
}",
PS = @"
#ifdef GL_ES
precision highp float;
#endif
uniform vec4 uLineColor;
varying vec3 vNormal;
void main()
{
gl_FragColor = uLineColor;
}",
StateSet = new RenderStateSet
{
AlphaBlendEnable = false,
ZEnable = true
}
},
new EffectPassDeclaration
{
VS = @"
attribute vec4 fuColor;
attribute vec3 fuVertex;
attribute vec3 fuNormal;
attribute vec2 fuUV;
varying vec3 vNormal;
varying vec2 vUV;
uniform mat4 FUSEE_MVP;
uniform mat4 FUSEE_ITMV;
void main()
{
gl_Position = (FUSEE_MVP * vec4(fuVertex, 1.0) );
vNormal = normalize(mat3(FUSEE_ITMV[0].xyz, FUSEE_ITMV[1].xyz, FUSEE_ITMV[2].xyz) * fuNormal);
vUV = fuUV;
}",
PS = @"
#ifdef GL_ES
precision highp float;
#endif
uniform sampler2D texture1;
varying vec3 vNormal;
varying vec2 vUV;
void main()
{
gl_FragColor = vec4(texture2D(texture1, vNormal.xy * 0.5 + vec2(0.5, 0.5)).rgb, 0.85);
}",
StateSet = new RenderStateSet
{
AlphaBlendEnable = false,
ZEnable = true,
}
}
},
new[]
{
new EffectParameterDeclaration {Name = "uLineColor", Value = new float4(0, 0, 0, 1)},
new EffectParameterDeclaration {Name = "texture1", Value = iTex},
new EffectParameterDeclaration {Name = "uLineWidth", Value = new float2(5, 5)}
});
_shaderEffect.AttachToContext(RC);
}
private void RenderWithLights(Mesh rm, ShaderEffect CurMat)
{
if (_lights.Count > 0)
{
foreach (LightInfo li in _lights)
{
// SetupLight(li);
CurMat.RenderMesh(rm);
}
}
else
{
// No light present - switch on standard light
CurMat.SetEffectParam(ShaderCodeBuilder.LightColorName, new float3(1, 1, 1));
// float4 lightDirHom = new float4(0, 0, -1, 0);
float4 lightDirHom = _rc.InvModelView * new float4(0, 0, -1, 0);
// float4 lightDirHom = _rc.TransModelView * new float4(0, 0, -1, 0);
float3 lightDir = lightDirHom.xyz;
lightDir.Normalize();
CurMat.SetEffectParam(ShaderCodeBuilder.LightDirectionName, lightDir);
CurMat.SetEffectParam(ShaderCodeBuilder.LightIntensityName, (float)1);
CurMat.RenderMesh(rm);
}
}
private ShaderEffect MakeMaterial(MaterialContainer mc)
{
ShaderCodeBuilder scb = new ShaderCodeBuilder(mc, null);
var effectParameters = AssembleEffectParamers(mc, scb);
ShaderEffect ret = new ShaderEffect(new []
{
new EffectPassDeclaration()
{
VS = scb.VS,
PS = scb.PS,
StateSet = new RenderStateSet()
{
ZEnable = true,
AlphaBlendEnable = false
}
}
},
effectParameters
);
return ret;
}
protected void VisitNodeRender(SceneObjectContainer soc)
{
float4x4 origMV = _rc.ModelView;
ShaderEffect origMat = CurMat;
if (soc.Material != null)
{
var mat = LookupMaterial(soc.Material);
CurMat = mat;
}
_rc.ModelView = _rc.ModelView * soc.Transform.Matrix();
if (soc.Mesh != null)
{
Mesh rm;
if (!_meshMap.TryGetValue(soc.Mesh, out rm))
{
rm = MakeMesh(soc);
_meshMap.Add(soc.Mesh, rm);
}
if (null != CurMat.GetEffectParam(ShaderCodeBuilder.LightDirectionName))
{
RenderWithLights(rm, CurMat);
}
else
{
CurMat.RenderMesh(rm);
}
}
if (soc.Children != null)
{
foreach (var child in soc.Children)
{
VisitNodeRender(child);
}
}
_rc.ModelView = origMV;
CurMat = origMat;
}
