public override void Draw(DrawContext dc)
{
if (Model == null)
{
return;
}
LitShader litShader = UseAlphaThreshold ? m_shaderAlpha : m_shader;
litShader.Texture = TextureOverride;
litShader.SamplerState = SamplerState.PointClamp;
litShader.MaterialColor = new Vector4(Color * base.GlobalColorTransform);
litShader.AmbientLightColor = new Vector3(0.66f, 0.66f, 0.66f);
litShader.DiffuseLightColor1 = new Vector3(1f, 1f, 1f);
litShader.LightDirection1 = Vector3.Normalize(new Vector3(1f, 1f, 1f));
if (UseAlphaThreshold)
{
litShader.AlphaThreshold = 0f;
}
litShader.Transforms.View = Matrix.CreateLookAt(ViewPosition, ViewTarget, Vector3.UnitY);
Viewport viewport = Display.Viewport;
float num = base.ActualSize.X / base.ActualSize.Y;
if (IsPerspective)
{
litShader.Transforms.Projection = Matrix.CreatePerspectiveFieldOfView(ViewFov, num, 0.1f, 100f) * MatrixUtils.CreateScaleTranslation(0.5f * base.ActualSize.X, -0.5f * base.ActualSize.Y, base.ActualSize.X / 2f, base.ActualSize.Y / 2f) * base.GlobalTransform * MatrixUtils.CreateScaleTranslation(2f / (float)viewport.Width, -2f / (float)viewport.Height, -1f, 1f);
}
else
{
Vector3 orthographicFrustumSize = OrthographicFrustumSize;
if (orthographicFrustumSize.X < 0f)
{
orthographicFrustumSize.X = orthographicFrustumSize.Y / num;
}
else if (orthographicFrustumSize.Y < 0f)
{
orthographicFrustumSize.Y = orthographicFrustumSize.X * num;
}
litShader.Transforms.Projection = Matrix.CreateOrthographic(orthographicFrustumSize.X, orthographicFrustumSize.Y, 0f, OrthographicFrustumSize.Z) * MatrixUtils.CreateScaleTranslation(0.5f * base.ActualSize.X, -0.5f * base.ActualSize.Y, base.ActualSize.X / 2f, base.ActualSize.Y / 2f) * base.GlobalTransform * MatrixUtils.CreateScaleTranslation(2f / (float)viewport.Width, -2f / (float)viewport.Height, -1f, 1f);
}
Display.DepthStencilState = DepthStencilState.Default;
Display.BlendState = BlendState.AlphaBlend;
Display.RasterizerState = RasterizerState.CullNoneScissor;
ProcessBoneHierarchy(Model.RootBone, Matrix.Identity, m_absoluteBoneTransforms);
float num2 = (float)Time.RealTime + (float)(GetHashCode() % 1000) / 100f;
Matrix m = (AutoRotationVector.LengthSquared() > 0f) ? Matrix.CreateFromAxisAngle(Vector3.Normalize(AutoRotationVector), AutoRotationVector.Length() * num2) : Matrix.Identity;
foreach (ModelMesh mesh in Model.Meshes)
{
litShader.Transforms.World[0] = m_absoluteBoneTransforms[mesh.ParentBone.Index] * ModelMatrix * m;
foreach (ModelMeshPart meshPart in mesh.MeshParts)
{
if (meshPart.IndicesCount > 0)
{
Display.DrawIndexed(PrimitiveType.TriangleList, litShader, meshPart.VertexBuffer, meshPart.IndexBuffer, meshPart.StartIndex, meshPart.IndicesCount);
}
}
}
}
// this is used to update a material's keywords, applying any shader-associated logic to update dependent properties and keywords
// this is also invoked when a material is created, modified, or the material's shader is modified or reassigned
internal static void UpdateMaterial(Material material, MaterialUpdateType updateType, ShaderID shaderID = ShaderID.Unknown)
{
// if unknown, look it up from the material's shader
// NOTE: this will only work for asset-based shaders..
if (shaderID == ShaderID.Unknown)
{
shaderID = GetShaderID(material.shader);
}
switch (shaderID)
{
case ShaderID.Lit:
LitShader.SetMaterialKeywords(material, LitGUI.SetMaterialKeywords);
break;
case ShaderID.SimpleLit:
SimpleLitShader.SetMaterialKeywords(material, SimpleLitGUI.SetMaterialKeywords);
break;
case ShaderID.Unlit:
UnlitShader.SetMaterialKeywords(material);
break;
case ShaderID.ParticlesLit:
ParticlesLitShader.SetMaterialKeywords(material, LitGUI.SetMaterialKeywords, ParticleGUI.SetMaterialKeywords);
break;
case ShaderID.ParticlesSimpleLit:
ParticlesSimpleLitShader.SetMaterialKeywords(material, SimpleLitGUI.SetMaterialKeywords, ParticleGUI.SetMaterialKeywords);
break;
case ShaderID.ParticlesUnlit:
ParticlesUnlitShader.SetMaterialKeywords(material, null, ParticleGUI.SetMaterialKeywords);
break;
case ShaderID.SG_Lit:
ShaderGraphLitGUI.UpdateMaterial(material, updateType);
break;
case ShaderID.SG_Unlit:
ShaderGraphUnlitGUI.UpdateMaterial(material, updateType);
break;
default:
break;
}
}
static void UpgradeV1(Material material, ShaderID shaderID)
{
if (shaderID.IsShaderGraph())
{
return;
}
var shaderPath = ShaderUtils.GetShaderPath((ShaderPathID)shaderID);
var upgradeFlag = MaterialUpgrader.UpgradeFlags.LogMessageWhenNoUpgraderFound;
switch (shaderID)
{
case ShaderID.Unlit:
MaterialUpgrader.Upgrade(material, new UnlitUpdaterV1(shaderPath), upgradeFlag);
UnlitShader.SetMaterialKeywords(material);
break;
case ShaderID.SimpleLit:
MaterialUpgrader.Upgrade(material, new SimpleLitUpdaterV1(shaderPath), upgradeFlag);
SimpleLitShader.SetMaterialKeywords(material, SimpleLitGUI.SetMaterialKeywords);
break;
case ShaderID.Lit:
MaterialUpgrader.Upgrade(material, new LitUpdaterV1(shaderPath), upgradeFlag);
LitShader.SetMaterialKeywords(material, LitGUI.SetMaterialKeywords);
break;
case ShaderID.ParticlesLit:
MaterialUpgrader.Upgrade(material, new ParticleUpdaterV1(shaderPath), upgradeFlag);
ParticlesLitShader.SetMaterialKeywords(material, LitGUI.SetMaterialKeywords, ParticleGUI.SetMaterialKeywords);
break;
case ShaderID.ParticlesSimpleLit:
MaterialUpgrader.Upgrade(material, new ParticleUpdaterV1(shaderPath), upgradeFlag);
ParticlesSimpleLitShader.SetMaterialKeywords(material, SimpleLitGUI.SetMaterialKeywords, ParticleGUI.SetMaterialKeywords);
break;
case ShaderID.ParticlesUnlit:
MaterialUpgrader.Upgrade(material, new ParticleUpdaterV1(shaderPath), upgradeFlag);
ParticlesUnlitShader.SetMaterialKeywords(material, null, ParticleGUI.SetMaterialKeywords);
break;
}
}
// For uniforms and shaders setup. Does not handle vertex/index buffers
private unsafe static void EncodeLit(RendererBGFXInstance *sys, bgfx.Encoder *encoder, ref LitShader litShader, ushort viewId, ref float4x4 tx, ref LitMaterialBGFX mat,
ref LightingBGFX lighting, ref float4x4 viewTx, byte flipCulling, ref LightingViewSpaceBGFX viewSpaceLightCache, uint depth)
{
ulong state = mat.state;
if (flipCulling != 0)
{
state = FlipCulling(state);
}
bgfx.encoder_set_state(encoder, state, 0);
fixed(float4x4 *p = &tx)
bgfx.encoder_set_transform(encoder, p, 1);
float3x3 minvt = math.transpose(math.inverse(new float3x3(tx.c0.xyz, tx.c1.xyz, tx.c2.xyz)));
//float3x3 minvt = new float3x3(tx.c0.xyz, tx.c1.xyz, tx.c2.xyz);
bgfx.encoder_set_uniform(encoder, litShader.m_uniformModelInverseTranspose, &minvt, 1);
// material uniforms setup
fixed(float4 *p = &mat.constAlbedo_Opacity)
bgfx.encoder_set_uniform(encoder, litShader.m_uniformAlbedoOpacity, p, 1);
fixed(float4 *p = &mat.constMetal_Smoothness_Billboarded)
bgfx.encoder_set_uniform(encoder, litShader.m_uniformMetalSmoothnessBillboarded, p, 1);
fixed(float4 *p = &mat.constEmissive_normalMapZScale)
bgfx.encoder_set_uniform(encoder, litShader.m_uniformEmissiveNormalZScale, p, 1);
float4 debugVect = sys->m_outputDebugSelect;
bgfx.encoder_set_uniform(encoder, litShader.m_uniformOutputDebugSelect, &debugVect, 1);
fixed(float4 *p = &mat.smoothness)
bgfx.encoder_set_uniform(encoder, litShader.m_uniformSmoothness, p, 1);
// textures
bgfx.encoder_set_texture(encoder, 0, litShader.m_samplerAlbedoOpacity, mat.texAlbedoOpacity, UInt32.MaxValue);
bgfx.encoder_set_texture(encoder, 1, litShader.m_samplerMetal, mat.texMetal, UInt32.MaxValue);
bgfx.encoder_set_texture(encoder, 2, litShader.m_samplerNormal, mat.texNormal, UInt32.MaxValue);
bgfx.encoder_set_texture(encoder, 4, litShader.m_samplerEmissive, mat.texEmissive, UInt32.MaxValue);
fixed(float4 *p = &mat.mainTextureScaleTranslate)
bgfx.encoder_set_uniform(encoder, litShader.m_uniformTexMad, p, 1);
// ambient
fixed(float4 *p = &lighting.ambient)
bgfx.encoder_set_uniform(encoder, litShader.m_uniformAmbient, p, 1);
// transform lighting to view space, if needed: this only needs to re-compute if the viewId changed
// also the lighting view space is per-thread, hence it is passed in
lighting.TransformToViewSpace(ref viewTx, ref viewSpaceLightCache, viewId);
// dir or point lights
fixed(float *p = viewSpaceLightCache.podl_positionOrDirViewSpace)
bgfx.encoder_set_uniform(encoder, litShader.m_simplelightPosOrDir, p, (ushort)lighting.numPointOrDirLights);
fixed(float *p = lighting.podl_colorIVR)
bgfx.encoder_set_uniform(encoder, litShader.m_simplelightColorIVR, p, (ushort)lighting.numPointOrDirLights);
// mapped lights (always have to set those or there are undefined samplers)
EncodeMappedLight(encoder, ref lighting.mappedLight0, ref litShader.m_mappedLight0, 0, viewSpaceLightCache.mappedLight0_viewPosOrDir); // sampler 6
EncodeMappedLight(encoder, ref lighting.mappedLight1, ref litShader.m_mappedLight1, 1, viewSpaceLightCache.mappedLight1_viewPosOrDir); // sampler 7
fixed(float4 *p = &lighting.mappedLight01sis)
bgfx.encoder_set_uniform(encoder, litShader.m_texShadow01sis, p, 1);
// csm
fixed(float4 *p = &viewSpaceLightCache.csmLight_viewPosOrDir)
bgfx.encoder_set_uniform(encoder, litShader.m_dirCSM, p, 1);
fixed(float *p = lighting.csmOffsetScale)
bgfx.encoder_set_uniform(encoder, litShader.m_offsetScaleCSM, p, 4);
fixed(float4 *p = &lighting.csmLight.color_invrangesqr)
bgfx.encoder_set_uniform(encoder, litShader.m_colorCSM, p, 1);
fixed(float4x4 *p = &lighting.csmLight.projection)
bgfx.encoder_set_uniform(encoder, litShader.m_matrixCSM, p, 1);
fixed(float4 *p = &lighting.csmLightsis)
bgfx.encoder_set_uniform(encoder, litShader.m_sisCSM, p, 1);
bgfx.encoder_set_texture(encoder, 5, litShader.m_samplerShadowCSM, lighting.csmLight.shadowMap, UInt32.MaxValue);
float4 numlights = new float4(lighting.numPointOrDirLights, lighting.numMappedLights, lighting.numCsmLights, 0.0f);
bgfx.encoder_set_uniform(encoder, litShader.m_numLights, &numlights, 1);
// fog
fixed(float4 *p = &lighting.fogColor)
bgfx.encoder_set_uniform(encoder, litShader.m_uniformFogColor, p, 1);
fixed(float4 *p = &lighting.fogParams)
bgfx.encoder_set_uniform(encoder, litShader.m_uniformFogParams, p, 1);
// submit
bgfx.encoder_submit(encoder, viewId, litShader.m_prog, depth, (byte)bgfx.DiscardFlags.All);
}