update to dll loading

Added fetch dll path through registry.

Added custom error class VBPathError in case dll path was not found

Added function Setup_DLL to base.ps1

Wrapper setup stops if setup_dll returns false (no login, no class setup)

CHANGELOG.md

@@ -7,7 +7,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 Before any minor/major patch is released all test units will be run to verify they pass.
 
 ## [Unreleased]
-- [ ]
+- [x] Fetch dll path through registry (support for 32 and 64 bit)
 
 ## [1.4] - 2021-05-03
 ### Added

lib/Voicemeeter.psm1

@@ -14,12 +14,15 @@ class Remote {
     }
 
     [void] Setup() {
+        if(Setup_DLL) {
             Login -TYPE $this.type
 
             $this.button = Buttons
             $this.strip = Strips
             $this.bus = Buses
         }
+        else { Exit }
+    }
 
     [void] Logout() {
         Logout

lib/base.ps1

@@ -1,44 +1,68 @@
 . $PSScriptRoot\errors.ps1
+. $PSScriptRoot\inst.ps1
 . $PSScriptRoot\strip.ps1
 . $PSScriptRoot\bus.ps1
 . $PSScriptRoot\macrobuttons.ps1
 
-$Signature = @'
-    [DllImport(@"C:\Program Files (x86)\VB\Voicemeeter\VoicemeeterRemote64.dll")]
+$global:layout = $null
+
+Function Setup_DLL {
+    try {
+        $vb_path = Get_VBPath
+
+        if([string]::IsNullOrWhiteSpace($vb_path)) {
+            throw [VBPathError]::new("ERROR: Couldn't get Voicemeeter path")
+        }
+        else {
+            if([Environment]::Is64BitOperatingSystem) {
+                $dll = Join-Path -Path $vb_path -ChildPath "VoicemeeterRemote64.dll"
+            }
+            else {
+                $dll = Join-Path -Path $vb_path -ChildPath "VoicemeeterRemote.dll"
+            }
+        }
+    }
+    catch [VBPathError] {
+        Write-Warning $_.Exception.ErrorMessage()
+        return $false
+    }
+
+$Signature = @"
+    [DllImport(@"$dll")]
     public static extern int VBVMR_Login();
-    [DllImport(@"C:\Program Files (x86)\VB\Voicemeeter\VoicemeeterRemote64.dll")]
+    [DllImport(@"$dll")]
     public static extern int VBVMR_Logout();
-    [DllImport(@"C:\Program Files (x86)\VB\Voicemeeter\VoicemeeterRemote64.dll")]
+    [DllImport(@"$dll")]
     public static extern int VBVMR_RunVoicemeeter(Int64 run);
-    [DllImport(@"C:\Program Files (x86)\VB\Voicemeeter\VoicemeeterRemote64.dll")]
+    [DllImport(@"$dll")]
     public static extern int VBVMR_GetVoicemeeterType(ref int ptr);
 
-    [DllImport(@"C:\Program Files (x86)\VB\Voicemeeter\VoicemeeterRemote64.dll")]
+    [DllImport(@"$dll")]
     public static extern int VBVMR_MacroButton_IsDirty();
-    [DllImport(@"C:\Program Files (x86)\VB\Voicemeeter\VoicemeeterRemote64.dll")]
+    [DllImport(@"$dll")]
     public static extern int VBVMR_MacroButton_SetStatus(Int64 id, Single state, Int64 mode);
-    [DllImport(@"C:\Program Files (x86)\VB\Voicemeeter\VoicemeeterRemote64.dll")]
+    [DllImport(@"$dll")]
     public static extern int VBVMR_MacroButton_GetStatus(Int64 id, ref float ptr, Int64 mode);
 
-    [DllImport(@"C:\Program Files (x86)\VB\Voicemeeter\VoicemeeterRemote64.dll")]
+    [DllImport(@"$dll")]
     public static extern int VBVMR_IsParametersDirty();
-    [DllImport(@"C:\Program Files (x86)\VB\Voicemeeter\VoicemeeterRemote64.dll")]
+    [DllImport(@"$dll")]
     public static extern int VBVMR_SetParameterFloat(String param, Single value);
-    [DllImport(@"C:\Program Files (x86)\VB\Voicemeeter\VoicemeeterRemote64.dll")]
+    [DllImport(@"$dll")]
     public static extern int VBVMR_GetParameterFloat(String param, ref float ptr);
 
-    [DllImport(@"C:\Program Files (x86)\VB\Voicemeeter\VoicemeeterRemote64.dll")]
+    [DllImport(@"$dll")]
     public static extern int VBVMR_SetParameterStringA(String param, String value);
-    [DllImport(@"C:\Program Files (x86)\VB\Voicemeeter\VoicemeeterRemote64.dll")]
+    [DllImport(@"$dll")]
     public static extern int VBVMR_GetParameterStringA(String param, byte[] buff);
 
-    [DllImport(@"C:\Program Files (x86)\VB\Voicemeeter\VoicemeeterRemote64.dll")]
+    [DllImport(@"$dll")]
     public static extern int VBVMR_SetParameters(String param);
-'@
+"@
 
     Add-Type -MemberDefinition $Signature -Name Remote -Namespace Voicemeeter -PassThru | Out-Null
-
-$global:layout = $null
+    return $true
+}
 
 
 Function Param_Set_Multi {
@@ -74,7 +98,6 @@ Function Param_Set_Multi {
                 if($k -eq "state") { $mode = 1 }
                 elseif($k -eq "stateonly") { $mode = 2 }
                 elseif($k -eq "trigger") { $mode = 3 }
-                $val = if($HASH.Item($key).values -eq "True") {1} else {0}
 
                 MB_Set -ID $num -SET $val -MODE $mode
             }

lib/errors.ps1

@@ -1,3 +1,15 @@
+class VBPathError : Exception {
+    [String]$msg
+
+    VBPathError([String]$msg) {
+        $this.msg = $msg
+    }
+
+    [String] ErrorMessage() {
+        return $this.msg
+    }
+}
+
 class LoginError : Exception {
     [String]$msg
 

lib/inst.ps1

@@ -0,0 +1,15 @@
+Function Get_VBPath {
+    @(
+        'Registry::HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall',
+        'Registry::HKEY_LOCAL_MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall'
+    ) | ForEach-Object {
+        if(Test-Path -Path $_) {
+            (Get-ChildItem -Path $_\*) | ForEach-Object {
+                if($_.Name.Contains("Voicemeeter")) {
+                    $reg = -join("Registry::", $_.Name)
+                    return $(Get-ItemPropertyValue -Path $reg -Name UninstallString | Split-Path -Parent)
+                }
+            }
+        }
+    }
+}

lib/macrobuttons.ps1

@@ -17,11 +17,9 @@ class MacroButton {
 
     hidden $_state = $($this | Add-Member ScriptProperty 'state' `
         {
-            # get
             $this.Getter(1)
         }`
         {
-            # set
             param ( $arg )
             $this._state = $this.Setter($arg, 1)
         }
@@ -29,11 +27,9 @@ class MacroButton {
 
     hidden $_stateonly = $($this | Add-Member ScriptProperty 'stateonly' `
         {
-            # get
             $this.Getter(2)
         }`
         {
-            # set
             param ( $arg )
             $this._stateonly = $this.Setter($arg, 2)
         }
@@ -41,11 +37,9 @@ class MacroButton {
 
     hidden $_trigger = $($this | Add-Member ScriptProperty 'trigger' `
         {
-            # get
             $this.Getter(3)
         }`
         {
-            # set
             param ( $arg )
             $this._trigger = $this.Setter($arg, 3)
         }