GoaLitiuM/FlaxEngine
1
0
Fork 0
Code Issues Pull Requests Actions 7 Packages Projects Releases Wiki Activity

Fix World Triplanar Texture node to support displacement and float4 value

Browse Source
This commit is contained in:
Wojtek Figat
2024-08-05 14:37:31 +02:00
parent d6e99071aa
commit 979ab9f6ee
2 changed files with 11 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

30
Source/Engine/Tools/MaterialGenerator/MaterialGenerator.Textures.cpp
View File

@@ -687,51 +687,41 @@ void MaterialGenerator::ProcessGroupTextures(Box* box, Node* node, Value& value)
// World Triplanar Texture
case 16:
{
// Get input boxes
auto textureBox = node->GetBox(0);
auto scaleBox = node->GetBox(1);
auto blendBox = node->GetBox(2);
if (!textureBox->HasConnection())
{
// No texture to sample
value = Value::Zero;
break;
}
if (!CanUseSample(_treeType))
{
// Must sample texture in pixel shader
value = Value::Zero;
break;
}
const bool canUseSample = CanUseSample(_treeType);
const auto texture = eatBox(textureBox->GetParent<Node>(), textureBox->FirstConnection());
const auto scale = tryGetValue(scaleBox, node->Values[0]).AsFloat3();
const auto scale = tryGetValue(scaleBox, node->Values[0]).AsFloat4();
const auto blend = tryGetValue(blendBox, node->Values[1]).AsFloat();
auto result = writeLocal(Value::InitForZero(ValueType::Float4), node);
const String triplanarTexture = String::Format(TEXT(
" {{\n"
" float3 worldPos = input.WorldPosition.xyz * ({1} * 0.001f);\n"
" float3 normal = abs(input.TBN[2]);\n"
" normal = pow(normal, {2});\n"
" normal = normal / (normal.x + normal.y + normal.z);\n"
" {3} += {0}.Sample(SamplerLinearWrap, worldPos.yz) * normal.x;\n"
" {3} += {0}.Sample(SamplerLinearWrap, worldPos.xz) * normal.y;\n"
" {3} += {0}.Sample(SamplerLinearWrap, worldPos.xy) * normal.z;\n"
" {3} += {0}.{4}(SamplerLinearWrap, worldPos.yz{5}) * normal.x;\n"
" {3} += {0}.{4}(SamplerLinearWrap, worldPos.xz{5}) * normal.y;\n"
" {3} += {0}.{4}(SamplerLinearWrap, worldPos.xy{5}) * normal.z;\n"
" }}\n"
),
texture.Value, // {0}
scale.Value, // {1}
blend.Value, // {2}
result.Value // {3}
result.Value, // {3}
canUseSample ? TEXT("Sample") : TEXT("SampleLevel"), // {4}
canUseSample ? TEXT("") : TEXT(", 0") // {5}
);
_writer.Write(*triplanarTexture);
value = result;
break;
}
// Get Lightmap UV
case 18:
@@ -746,9 +736,7 @@ void MaterialGenerator::ProcessGroupTextures(Box* box, Node* node, Value& value)
"#endif\n"
"}}\n"
), output.Value);
_writer.Write(*lightmapUV);
value = output;
break;
}