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Merge pull request #1554 from Azaezel/alpha41/decalAtlasWipWork

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decal atlas and decal editor corrections
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Brian Roberts 2025-09-22 08:49:42 -05:00 • committed by GitHub
commit eb380e58a3
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6 changed files with 68 additions and 24 deletions
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15
Engine/source/T3D/decal/decalData.cpp
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@ -406,12 +406,15 @@ void DecalData::reloadRects()
bool canRenderColsByFrame = false;
S32 id = 0;
texRect[id].point.x = 0.f;
texRect[id].extent.x = 1.f;
texRect[id].point.y = 0.f;
texRect[id].extent.y = 1.f;
texCoordCount = (texRows * texCols) - 1;
if (texRows > 1 || texCols > 1)
{
texCoordCount = (texRows * texCols) - 1;
texRect[id].point.x = 0.f;
texRect[id].extent.x = 1.f;
texRect[id].point.y = 0.f;
texRect[id].extent.y = 1.f;
}
if( texCoordCount > 16 )
{

18
Engine/source/T3D/decal/decalManager.cpp
View file

@ -294,12 +294,12 @@ bool DecalManager::clipDecal( DecalInstance *decal, Vector<Point3F> *edgeVerts,
// Free old verts and indices.
_freeBuffers( decal );
F32 halfSize = decal->mSize * 0.5f;
const Point2F& halfSize = decal->mSize * 0.5f * decal->mDataBlock->texRect[decal->mTextureRectIdx].extent;
// Ugly hack for ProjectedShadow!
F32 halfSizeZ = clipDepth ? clipDepth->x : halfSize;
F32 negHalfSize = clipDepth ? clipDepth->y : halfSize;
Point3F decalHalfSize( halfSize, halfSize, halfSize );
F32 halfSizeZ = clipDepth ? clipDepth->x : halfSize.x;
F32 negHalfSize = clipDepth ? clipDepth->y : halfSize.y;
Point3F decalHalfSize( halfSize.x, halfSize.y, halfSize.x );
Point3F decalHalfSizeZ( halfSizeZ, halfSizeZ, halfSizeZ );
MatrixF projMat( true );
@ -319,11 +319,11 @@ bool DecalManager::clipDecal( DecalInstance *decal, Vector<Point3F> *edgeVerts,
// See above re: decalHalfSizeZ hack.
mClipper.clear();
mClipper.mPlaneList.setSize(6);
mClipper.mPlaneList[0].set( ( decalPos + ( -newRight * halfSize ) ), -newRight );
mClipper.mPlaneList[1].set( ( decalPos + ( -newFwd * halfSize ) ), -newFwd );
mClipper.mPlaneList[0].set( ( decalPos + ( -newRight * halfSize.x ) ), -newRight );
mClipper.mPlaneList[1].set( ( decalPos + ( -newFwd * halfSize.y ) ), -newFwd );
mClipper.mPlaneList[2].set( ( decalPos + ( -crossVec * decalHalfSizeZ ) ), -crossVec );
mClipper.mPlaneList[3].set( ( decalPos + ( newRight * halfSize ) ), newRight );
mClipper.mPlaneList[4].set( ( decalPos + ( newFwd * halfSize ) ), newFwd );
mClipper.mPlaneList[3].set( ( decalPos + ( newRight * halfSize.x ) ), newRight );
mClipper.mPlaneList[4].set( ( decalPos + ( newFwd * halfSize.y ) ), newFwd );
mClipper.mPlaneList[5].set( ( decalPos + ( crossVec * negHalfSize ) ), crossVec );
mClipper.mNormal = decal->mNormal;