Commands/Shaders/Get-OBSDoodleShader.ps1
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function Get-OBSDoodleShader { [Alias('Set-OBSDoodleShader','Add-OBSDoodleShader')] param( # Set the ViewProj of OBSDoodleShader [ComponentModel.DefaultBindingProperty('ViewProj')] [Single[][]] $ViewProj, # Set the image of OBSDoodleShader [ComponentModel.DefaultBindingProperty('image')] [String] $Image, # Set the elapsed_time of OBSDoodleShader [Alias('elapsed_time')] [ComponentModel.DefaultBindingProperty('elapsed_time')] [Single] $ElapsedTime, # Set the uv_offset of OBSDoodleShader [Alias('uv_offset')] [ComponentModel.DefaultBindingProperty('uv_offset')] [Single[]] $UvOffset, # Set the uv_scale of OBSDoodleShader [Alias('uv_scale')] [ComponentModel.DefaultBindingProperty('uv_scale')] [Single[]] $UvScale, # Set the uv_pixel_interval of OBSDoodleShader [Alias('uv_pixel_interval')] [ComponentModel.DefaultBindingProperty('uv_pixel_interval')] [Single[]] $UvPixelInterval, # Set the rand_f of OBSDoodleShader [Alias('rand_f')] [ComponentModel.DefaultBindingProperty('rand_f')] [Single] $RandF, # Set the uv_size of OBSDoodleShader [Alias('uv_size')] [ComponentModel.DefaultBindingProperty('uv_size')] [Single[]] $UvSize, # Set the Doodle_Scale_Percent of OBSDoodleShader [Alias('Doodle_Scale_Percent')] [ComponentModel.DefaultBindingProperty('Doodle_Scale_Percent')] [Single] $DoodleScalePercent, # Set the Snap_Percent of OBSDoodleShader [Alias('Snap_Percent')] [ComponentModel.DefaultBindingProperty('Snap_Percent')] [Single] $SnapPercent, # Set the Notes of OBSDoodleShader [ComponentModel.DefaultBindingProperty('Notes')] [String] $Notes, # The name of the source. This must be provided when adding an item for the first time [Parameter(ValueFromPipelineByPropertyName)] [Alias('SceneItemName')] [String] $SourceName, # The name of the filter. If this is not provided, this will default to the shader name. [Parameter(ValueFromPipelineByPropertyName)] [String] $FilterName, # The inline value of the shader. This will normally be provided as a default parameter, based off of the name. [Alias('ShaderContent')] [String] $ShaderText, # If set, will force the recreation of a shader that already exists [Management.Automation.SwitchParameter] $Force, # If set, will pass thru the commands that would be sent to OBS (these can be sent at any time with Send-OBS) [Management.Automation.SwitchParameter] $PassThru, # If set, will not wait for a response from OBS (this will be faster, but will not return anything) [Management.Automation.SwitchParameter] $NoResponse, # If set, use the shader elapsed time, instead of the OBS system elapsed time [ComponentModel.DefaultBindingProperty('use_shader_elapsed_time')] [Management.Automation.SwitchParameter] $UseShaderTime ) process { $shaderName = 'doodle' $ShaderNoun = 'OBSDoodleShader' if (-not $psBoundParameters['ShaderText']) { $psBoundParameters['ShaderText'] = $ShaderText = ' // doodle effect by Charles Fettinger (https://github.com/Oncorporation) 5/2019 // for use with obs-shaderfilter 1.0 uniform float4x4 ViewProj; uniform texture2d image; uniform float elapsed_time; uniform float2 uv_offset; uniform float2 uv_scale; uniform float2 uv_pixel_interval; uniform float rand_f; uniform float2 uv_size; uniform float Doodle_Scale_Percent< string label = "Doodle Scale Percent"; string widget_type = "slider"; float minimum = 0.0; float maximum = 100.0; float step = 0.1; > = 2.5; uniform float Snap_Percent< string label = "Snap Percent"; string widget_type = "slider"; float minimum = 1.0; float maximum = 100.0; float step = 0.1; > = 7.5; uniform string Notes< string widget_type = "info"; > = "Doodle skews the image by the Scale Percent, Snap Percent controls the number of doodles per second."; sampler_state textureSampler { Filter = Linear; AddressU = Border; AddressV = Border; BorderColor = 00000000; }; struct VertData { float4 pos : POSITION; float2 uv : TEXCOORD0; }; float3 rand3(float3 co) { float j = 4096.0*sin(dot(co, float3(17.0, 59.4, 15.0))); float3 result; result.z = frac(512.0*j); j *= .125; result.x = frac(512.0*j); j *= .125; result.y = frac(512.0*j); return result - 0.5; } float snap(float x, float snap) { return snap * round(x / max(0.01,snap)); } VertData mainTransform(VertData v_in) { VertData vert_out; vert_out.pos = mul(float4(v_in.pos.xyz, 1.0), ViewProj); vert_out.uv = v_in.uv * uv_scale + uv_offset; float time = snap((1 + sin(elapsed_time)) * 0.5, Snap_Percent * .01); float rand = snap(rand_f, Snap_Percent *.01); float2 noise = rand3(v_in.pos.xyz + float3(time,0.0,0.0)).xy * (Doodle_Scale_Percent * .01); vert_out.uv.xy += noise; return vert_out; } float4 mainImage(VertData v_in) : TARGET { return image.Sample(textureSampler, v_in.uv); } technique Draw { pass p0 { vertex_shader = mainTransform(v_in); pixel_shader = mainImage(v_in); } } ' } $MyVerb, $myNoun = $MyInvocation.InvocationName -split '-',2 if (-not $myNoun) { $myNoun = $myVerb $myVerb = 'Get' } switch -regex ($myVerb) { Get { $FilterNamePattern = "(?>$( if ($FilterName) { [Regex]::Escape($FilterName) } else { [Regex]::Escape($ShaderNoun -replace '^OBS' -replace 'Shader$'),[Regex]::Escape($shaderName) -join '|' } ))" if ($SourceName) { Get-OBSInput | Where-Object InputName -eq $SourceName | Get-OBSSourceFilterList | Where-Object FilterName -Match $FilterNamePattern } else { $obs.Inputs | Get-OBSSourceFilterList | Where-Object FilterName -Match $FilterNamePattern } } 'Remove' { if ($SourceName) { Get-OBSInput | Where-Object InputName -eq $SourceName | Get-OBSSourceFilterList | Where-Object FilterName -Match $FilterNamePattern | Remove-OBSSourceFilter } } '(?>Add|Set)' { $ShaderSettings = [Ordered]@{} :nextParameter foreach ($parameterMetadata in $MyInvocation.MyCommand.Parameters[@($psBoundParameters.Keys)]) { foreach ($parameterAttribute in $parameterMetadata.Attributes) { if ($parameterAttribute -isnot [ComponentModel.DefaultBindingPropertyAttribute]) { continue } $ShaderSettings[$parameterAttribute.Name] = $PSBoundParameters[$parameterMetadata.Name] if ($ShaderSettings[$parameterAttribute.Name] -is [switch]) { $ShaderSettings[$parameterAttribute.Name] = $ShaderSettings[$parameterAttribute.Name] -as [bool] } continue nextParameter } } if (-not $PSBoundParameters['FilterName']) { $filterName = $PSBoundParameters['FilterName'] = $shaderName } $ShaderFilterSplat = [Ordered]@{ ShaderSetting = $ShaderSettings FilterName = $FilterName SourceName = $SourceName } foreach ($CarryOnParameter in "PassThru", "NoResponse","Force") { if ($PSBoundParameters.ContainsKey($CarryOnParameter)) { $ShaderFilterSplat[$CarryOnParameter] = $PSBoundParameters[$CarryOnParameter] } } if (-not $script:CachedShaderFilesFromCommand) { $script:CachedShaderFilesFromCommand = @{} } if ($Home -and -not $script:CachedShaderFilesFromCommand[$shaderName]) { $MyObsPowerShellPath = Join-Path $home ".obs-powershell" $ThisShaderPath = Join-Path $MyObsPowerShellPath "$shaderName.shader" $shaderText | Set-Content -LiteralPath $ThisShaderPath $script:CachedShaderFilesFromCommand[$shaderName] = Get-Item -LiteralPath $ThisShaderPath } if ($script:CachedShaderFilesFromCommand[$shaderName]) { $ShaderFilterSplat.ShaderFile = $script:CachedShaderFilesFromCommand[$shaderName].FullName } else { $ShaderFilterSplat.ShaderText = $shaderText } if ($myVerb -eq 'Add') { Add-OBSShaderFilter @ShaderFilterSplat } else { Set-OBSShaderFilter @ShaderFilterSplat } } } } } |