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Added overview how Blender identifies PBR textures

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This commit is contained in:
Robert Beckebans 2024-05-18 21:24:44 +02:00
parent fa8a7a9c7b
commit 788e485dbf
1 changed files with 80 additions and 9 deletions
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89
neo/renderer/Material.cpp
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@ -3,7 +3,7 @@
Doom 3 BFG Edition GPL Source Code
Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company.
Copyright (C) 2014-2023 Robert Beckebans
Copyright (C) 2014-2024 Robert Beckebans
Copyright (C) 2014-2016 Kot in Action Creative Artel
Copyright (C) 2022 Stephen Pridham
@ -3864,6 +3864,61 @@ void idMaterial::ExportJSON( idFile* file, bool lastEntry ) const
}
}
/*
from Blender 4.1 Node Wrangler addon
# Principled prefs
class NWPrincipledPreferences(bpy.types.PropertyGroup):
base_color: StringProperty(
name='Base Color',
default='diffuse diff albedo base col color basecolor',
description='Naming Components for Base Color maps')
metallic: StringProperty(
name='Metallic',
default='metallic metalness metal mtl',
description='Naming Components for metallness maps')
specular: StringProperty(
name='Specular',
default='specularity specular spec spc',
description='Naming Components for Specular maps')
normal: StringProperty(
name='Normal',
default='normal nor nrm nrml norm',
description='Naming Components for Normal maps')
bump: StringProperty(
name='Bump',
default='bump bmp',
description='Naming Components for bump maps')
rough: StringProperty(
name='Roughness',
default='roughness rough rgh',
description='Naming Components for roughness maps')
gloss: StringProperty(
name='Gloss',
default='gloss glossy glossiness',
description='Naming Components for glossy maps')
displacement: StringProperty(
name='Displacement',
default='displacement displace disp dsp height heightmap',
description='Naming Components for displacement maps')
transmission: StringProperty(
name='Transmission',
default='transmission transparency',
description='Naming Components for transmission maps')
emission: StringProperty(
name='Emission',
default='emission emissive emit',
description='Naming Components for emission maps')
alpha: StringProperty(
name='Alpha',
default='alpha opacity',
description='Naming Components for alpha maps')
ambient_occlusion: StringProperty(
name='Ambient Occlusion',
default='ao ambient occlusion',
description='Naming Components for AO maps')
*/
// RB: completely rewritten from IcedTech1 and adjusted to generate PBR materials for typical asset store conventions
// this also supports file suffices used by Blender's Node Wranger addon
CONSOLE_COMMAND_SHIP( makeMaterials, "Make .mtr file from a models or textures folder using PBR conventions", idCmdSystem::ArgCompletion_ImageName )
@ -3890,26 +3945,42 @@ CONSOLE_COMMAND_SHIP( makeMaterials, "Make .mtr file from a models or textures f
continue;
}
if( idStr::FindText( imageName, "_BaseColor", false ) != -1 || idStr::FindText( imageName, "_Color", false ) != -1 )
if( idStr::FindText( imageName, "_diffuse", false ) != -1 ||
idStr::FindText( imageName, "_diff", false ) != -1 ||
idStr::FindText( imageName, "_albedo", false ) != -1 ||
idStr::FindText( imageName, "_basecolor", false ) != -1 ||
idStr::FindText( imageName, "_base", false ) != -1 ||
idStr::FindText( imageName, "_color", false ) != -1 ||
idStr::FindText( imageName, "_col", false ) != -1 )
{
imageName = imageName.StripFileExtension();
idStr baseName = imageName;
baseName.StripTrailing( "_BaseColor" );
baseName.StripTrailing( "_Color" );
baseName.StripTrailing( "_diffuse" );
baseName.StripTrailing( "_diff" );
baseName.StripTrailing( "_albedo" );
baseName.StripTrailing( "_basecolor" );
baseName.StripTrailing( "_base" );
baseName.StripTrailing( "_color" );
baseName.StripTrailing( "_col" );
//mtrBuffer += va( "%s/%s\n", folderName, imageName.c_str() );
mtrBuffer += baseName.c_str();
mtrBuffer += "\n{\n";
//mtrBuffer += va( "\tqer_editorimage %s/%s_d.%s\n", folderName, args.Argv( 2 ), imagepath.c_str() );
// TODO qer_editorImage
//mtrBuffer += va( "\tqer_editorimage %s\n\n", imageName.c_str() );
// test opacity / transparency map
ID_TIME_T timestamp;
ID_TIME_T opacityStamp;
ID_TIME_T alphaStamp;
idStr opacityName = baseName + "_Opacity";
R_LoadImage( opacityName, NULL, NULL, NULL, &timestamp, true, NULL );
if( timestamp != FILE_NOT_FOUND_TIMESTAMP )
idStr opacityName = baseName + "_opacity";
R_LoadImage( opacityName, NULL, NULL, NULL, &opacityStamp, true, NULL );
opacityName = baseName + "_alpha";
R_LoadImage( opacityName, NULL, NULL, NULL, &alphaStamp, true, NULL );
if( opacityStamp != FILE_NOT_FOUND_TIMESTAMP || alphaStamp != FILE_NOT_FOUND_TIMESTAMP )
{
// TODO load opacity map and store values in the alpha channel of the base color image