Commands/Shaders/Get-OBSCylinderShader.ps1
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function Get-OBSCylinderShader { [Alias('Set-OBSCylinderShader','Add-OBSCylinderShader')] param( # Set the cylinder_factor of OBSCylinderShader [Alias('cylinder_factor')] [ComponentModel.DefaultBindingProperty('cylinder_factor')] [Single] $CylinderFactor, # Set the background_cut of OBSCylinderShader [Alias('background_cut')] [ComponentModel.DefaultBindingProperty('background_cut')] [Single] $BackgroundCut, # 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 = 'cylinder' $ShaderNoun = 'OBSCylinderShader' if (-not $psBoundParameters['ShaderText']) { $psBoundParameters['ShaderText'] = $ShaderText = ' uniform float cylinder_factor< string label = "Cylinder factor"; string widget_type = "slider"; float minimum = -1.0; float maximum = 1.0; float step = 0.001; > = 0.2; uniform float background_cut< string label = "Background cut"; string widget_type = "slider"; float minimum = 0.0; float maximum = 1.0; float step = 0.001; > = 0.1; float4 mainImage(VertData v_in) : TARGET { float2 uv = v_in.uv; uv.x -= 0.5; float bend = sqrt(1.0 - uv.x*uv.x*4); uv.y = uv.y/(1.0 - cylinder_factor)-bend*cylinder_factor; uv.y-=cylinder_factor/2; uv.x /= 2; uv.x += 0.5; float4 front_color = image.Sample(textureSampler, uv); front_color.rgb *= bend/2+0.5; if(front_color.a >= 1.0) return front_color; uv = v_in.uv; uv.x -= 0.5; if(abs(uv.x) < background_cut) return front_color; uv.y = uv.y/(1.0 - cylinder_factor)+bend*cylinder_factor; uv.y-=cylinder_factor/2; uv.x /= 2; if(uv.x > 0){ uv.x = 1.0 - uv.x; }else{ uv.x = 0 - uv.x; } float4 back_color = image.Sample(textureSampler, uv); back_color.rgb *= 0.5-bend/2; front_color.rgb *= front_color.a; front_color.rgb += back_color.rgb * (1.0 - front_color.a) * back_color.a; front_color.a = back_color.a * (1.0 - front_color.a) + front_color.a; return front_color; } ' } $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 } } } } } |