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decal atlas support work

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allow a textureCoordCount to be used raw when texrows and coumns are not >1 in order to let the transmitted vector actually be used

correct and augment editDecalDetails to now read
      DecalEditorGui.editDecalDetails( %this.instanceId, %pos, %tan, %size, %uvID  );
it needed the word split to begin with, and also added the uvID for instance frame tracking/overriding
same token added a  getDecalFrame(%this.instanceId); method

todos: add a frame lookup and selector for the instance tab, modify decal display to account for non-square uv portions
This commit is contained in:
AzaezelX 2025-09-19 09:09:55 -05:00
parent 12db0500e8
commit 82435693dd
4 changed files with 30 additions and 12 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 )
{