reconfigure targa behavior

organize_textures.ps1

@@ -270,21 +270,39 @@ function Process-DuplicateGroup {
 }
 
 # Function to extract and normalize hex color code from filename (for FlatColors)
+# For TGA files, preserves 8-digit codes (RGBA). For others, uses 6-digit codes (RGB).
 function Get-NormalizedColorCode {
-    param([string]$FileName)
+    param(
+        [string]$FileName,
+        [string]$Extension = ""
+    )
     
-    # Remove extension
+    # Remove extension if not provided
     $baseName = [System.IO.Path]::GetFileNameWithoutExtension($FileName)
+    if ([string]::IsNullOrWhiteSpace($Extension)) {
+        $Extension = [System.IO.Path]::GetExtension($FileName)
+    }
     
-    # Match hex color pattern: #RRGGBB or #RRGGBBAA (with optional suffix like _1, _2, etc.)
+    # For TGA files, preserve 8-digit codes (RGBA with alpha channel)
-    # Pattern matches: #RRGGBB, #RRGGBBAA, or just RRGGBB (without #)
+    if ($Extension -eq ".tga") {
-    # Also handles suffixes like _1, _2, etc.
+        # Match 8-digit hex: #RRGGBBAA
+        if ($baseName -match '^(#?)([0-9A-Fa-f]{8})') {
+            $hexCode = $Matches[2].ToUpper()
+            return "#$hexCode"
+        }
+        # Fallback to 6-digit if 8-digit not found
+        if ($baseName -match '^(#?)([0-9A-Fa-f]{6})') {
+            $hexCode = $Matches[2].ToUpper()
+            return "#$hexCode"
+        }
+    } else {
+        # For non-TGA files, use 6-digit codes (RGB)
         if ($baseName -match '^(#?)([0-9A-Fa-f]{6})([0-9A-Fa-f]{2})?') {
-        $hasHash = $Matches[1] -eq "#"
             $hexCode = $Matches[2].ToUpper()
             # Return normalized format: #RRGGBB (always with #, always uppercase, no suffix)
             return "#$hexCode"
         }
+    }
     
     return $null
 }
@@ -512,16 +530,20 @@ if ($null -eq $remainingFiles -or $remainingFiles.Count -eq 0) {
                 continue
             }
             
-            $colorCode = Get-NormalizedColorCode -FileName $file.Name
+            # Use composite key: color code + extension to separate TGA (8-digit) from JPG (6-digit)
+            $colorCode = Get-NormalizedColorCode -FileName $file.Name -Extension $file.Extension
             if ($null -eq $colorCode) {
                 Write-Warning "Could not extract color code from: $($file.Name)"
                 continue
             }
             
-            if (-not $filesByColor.ContainsKey($colorCode)) {
+            # Create composite key: colorCode_extension to keep TGA and JPG separate
-                $filesByColor[$colorCode] = @()
+            $groupKey = "$colorCode$($file.Extension)"
+            
+            if (-not $filesByColor.ContainsKey($groupKey)) {
+                $filesByColor[$groupKey] = @()
             }
-            $filesByColor[$colorCode] += $file
+            $filesByColor[$groupKey] += $file
         }
         
         Write-Host "Found $($filesByColor.Count) unique color code(s)" -ForegroundColor Gray
@@ -541,36 +563,39 @@ if ($null -eq $remainingFiles -or $remainingFiles.Count -eq 0) {
         $flatColorsResized = 0
         $flatColorsMoveLog = [System.Collections.ArrayList]::new()
         
-        foreach ($colorCode in $filesByColor.Keys) {
+        foreach ($groupKey in $filesByColor.Keys) {
-            $files = $filesByColor[$colorCode]
+            $files = $filesByColor[$groupKey]
             
-            # Find the best file to keep (prefer existing JPG, then TGA, then others)
+            # Extract color code and extension from group key
+            # Group key format: #RRGGBB.ext or #RRGGBBAA.ext
+            if ($groupKey -match '^(#[0-9A-F]{6,8})(\.[^.]+)$') {
+                $colorCode = $Matches[1]
+                $targetExtension = $Matches[2]
+            } else {
+                Write-Warning "Invalid group key format: $groupKey"
+                continue
+            }
+            
+            $targetFileName = "$colorCode$targetExtension"
+            
+            # Find the best file to keep
             $fileToKeep = $null
-            $targetExtension = ".jpg"
-            $targetFileName = "$colorCode.jpg"
             
             # First, check if there's already a correct file in target location
             $existingTarget = Join-Path -Path $flatColorsPath -ChildPath $targetFileName
             if (Test-Path -Path $existingTarget) {
                 $existingFile = Get-Item -Path $existingTarget
                 # Check if it's already correct
-                if ($existingFile.Extension -eq ".jpg" -and (Test-ImageSize -ImagePath $existingFile.FullName)) {
+                if ($existingFile.Extension -eq ".tga") {
+                    $fileToKeep = $existingFile
+                } elseif ($existingFile.Extension -eq ".jpg" -and (Test-ImageSize -ImagePath $existingFile.FullName)) {
                     $fileToKeep = $existingFile
                 }
             }
             
             # If no existing correct file, find best source file
             if ($null -eq $fileToKeep) {
-                # Prefer existing JPG file
+                # Prefer TGA file first (preserves transparency)
-                $jpgFile = $files | Where-Object { 
-                    ($_.Extension -eq ".jpg" -or $_.Extension -eq ".jpeg") -and 
-                    (Test-Path -Path $_.FullName)
-                } | Select-Object -First 1
-                
-                if ($jpgFile) {
-                    $fileToKeep = $jpgFile
-                } else {
-                    # If no JPG, prefer TGA
                 $tgaFile = $files | Where-Object { 
                     $_.Extension -eq ".tga" -and 
                     (Test-Path -Path $_.FullName)
@@ -578,8 +603,15 @@ if ($null -eq $remainingFiles -or $remainingFiles.Count -eq 0) {
                 
                 if ($tgaFile) {
                     $fileToKeep = $tgaFile
-                        $targetExtension = ".tga"
+                } else {
-                        $targetFileName = "$colorCode.tga"
+                    # If no TGA, prefer existing JPG file
+                    $jpgFile = $files | Where-Object { 
+                        ($_.Extension -eq ".jpg" -or $_.Extension -eq ".jpeg") -and 
+                        (Test-Path -Path $_.FullName)
+                    } | Select-Object -First 1
+                    
+                    if ($jpgFile) {
+                        $fileToKeep = $jpgFile
                     } else {
                         # Otherwise, use the first available file
                         $fileToKeep = $files | Where-Object { Test-Path -Path $_.FullName } | Select-Object -First 1