SL-17685 Drag and drop material support

indra/llprimitive/llgltfmaterial.h

@@ -53,6 +53,8 @@ public:
 
     F32 mMetallicFactor = 0.f;
     F32 mRoughnessFactor = 0.f;
+    F32 mAlphaCutoff = 0.f;
+
     bool mDoubleSided = false;
     AlphaMode mAlphaMode = ALPHA_MODE_OPAQUE;
 

indra/llprimitive/llprimitive.cpp

@@ -2430,7 +2430,7 @@ void LLRenderMaterialParams::setMaterial(U8 te, const LLUUID& id)
     mEntries.push_back({ te, id });
 }
 
-LLUUID LLRenderMaterialParams::getMaterial(U8 te) const
+const LLUUID& LLRenderMaterialParams::getMaterial(U8 te) const
 {
     for (int i = 0; i < mEntries.size(); ++i)
     {

indra/llprimitive/llprimitive.h

@@ -387,7 +387,7 @@ public:
     bool fromLLSD(LLSD& sd);
 
     void setMaterial(U8 te_idx, const LLUUID& id);
-    LLUUID getMaterial(U8 te_idx) const;
+    const LLUUID& getMaterial(U8 te_idx) const;
 
     bool isEmpty() { return mEntries.empty(); }
 };

indra/newview/CMakeLists.txt

@@ -344,6 +344,7 @@ set(viewer_SOURCE_FILES
     llgesturemgr.cpp
     llgiveinventory.cpp
     llglsandbox.cpp
+    llgltfmateriallist.cpp
     llgroupactions.cpp
     llgroupiconctrl.cpp
     llgrouplist.cpp
@@ -986,6 +987,7 @@ set(viewer_HEADER_FILES
     llgesturelistener.h
     llgesturemgr.h
     llgiveinventory.h
+    llgltfmateriallist.h
     llgroupactions.h
     llgroupiconctrl.h
     llgrouplist.h

indra/newview/llmaterialeditor.cpp

@@ -43,7 +43,6 @@
 #include "llviewerregion.h"
 #include "llvovolume.h"
 #include "roles_constants.h"
-#include "tinygltf/tiny_gltf.h"
 #include "llviewerobjectlist.h"
 #include "llfloaterreg.h"
 #include "llfilesystem.h"
@@ -52,6 +51,7 @@
 #include "llviewertexturelist.h"
 #include "llfloaterperms.h"
 
+#include "tinygltf/tiny_gltf.h"
 #include <strstream>
 
 ///----------------------------------------------------------------------------

indra/newview/lltooldraganddrop.cpp

@@ -1083,8 +1083,6 @@ void LLToolDragAndDrop::dropMaterialOneFace(LLViewerObject* hit_obj,
     {
         return;
     }
-    
-    LLTextureEntry* tep = hit_obj ? (hit_obj->getTE(hit_face)) : NULL;
 
     hit_obj->setRenderMaterialID(hit_face, asset_id);
 

indra/newview/llviewerobject.cpp

@@ -107,6 +107,7 @@
 #include "llcleanup.h"
 #include "llcallstack.h"
 #include "llmeshrepository.h"
+#include "llgltfmateriallist.h"
 #include "llgl.h"
 
 //#define DEBUG_UPDATE_TYPE
@@ -4906,6 +4907,18 @@ void LLViewerObject::updateTEMaterialTextures(U8 te)
     };
 
     LLGLTFMaterial* mat = getTE(te)->getGLTFMaterial();
+    LLUUID mat_id = getRenderMaterialID(te);
+    if (mat == nullptr && mat_id.notNull())
+    {
+        mat = gGLTFMaterialList.getMaterial(mat_id);
+        getTE(te)->setGLTFMaterial(mat);
+    }
+    else if (mat_id.isNull() && mat != nullptr)
+    {
+        mat = nullptr;
+        getTE(te)->setGLTFMaterial(nullptr);
+    }
+
     if (mat != nullptr)
     {
         mGLTFAlbedoMaps[te] = fetch_texture(mat->mAlbedoId);
@@ -4913,6 +4926,14 @@ void LLViewerObject::updateTEMaterialTextures(U8 te)
         mGLTFMetallicRoughnessMaps[te] = fetch_texture(mat->mMetallicRoughnessId);
         mGLTFEmissiveMaps[te] = fetch_texture(mat->mEmissiveId);
     }
+    else
+    {
+        mGLTFAlbedoMaps[te] = nullptr;
+        mGLTFNormalMaps[te] = nullptr;
+        mGLTFMetallicRoughnessMaps[te] = nullptr;
+        mGLTFEmissiveMaps[te] = nullptr;
+    }
+
 }
 
 void LLViewerObject::refreshBakeTexture()
@@ -7028,8 +7049,16 @@ void LLViewerObject::setRenderMaterialID(U8 te, const LLUUID& id)
 {
     if (id.notNull())
     {
+        getTE(te)->setGLTFMaterial(gGLTFMaterialList.getMaterial(id));
         setHasRenderMaterialParams(true);
     }
+    else
+    {
+        getTE(te)->setGLTFMaterial(nullptr);
+    }
+
+    faceMappingChanged();
+    gPipeline.markTextured(mDrawable);
 
     LLRenderMaterialParams* param_block = (LLRenderMaterialParams*)getParameterEntry(LLNetworkData::PARAMS_RENDER_MATERIAL);
     if (param_block)

indra/newview/llviewerobject.h

@@ -207,6 +207,7 @@ public:
 
 	// Graphical stuff for objects - maybe broken out into render class later?
 	virtual void updateTextures();
+    virtual void faceMappingChanged() {}
 	virtual void boostTexturePriority(BOOL boost_children = TRUE);	// When you just want to boost priority of this object
 	
 	virtual LLDrawable* createDrawable(LLPipeline *pipeline);

indra/newview/llvovolume.cpp

@@ -5861,6 +5861,8 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 					continue;
 				}
 
+                // HACK -- brute force this check every time a drawable gets rebuilt
+                vobj->updateTEMaterialTextures(i);
 #if 0
 #if LL_RELEASE_WITH_DEBUG_INFO
                 const LLUUID pbr_id( "49c88210-7238-2a6b-70ac-92d4f35963cf" );

indra/newview/llvovolume.h

@@ -172,7 +172,7 @@ public:
 
 				void	markForUpdate(BOOL priority) override;
 				void	markForUnload()							{ LLViewerObject::markForUnload(TRUE); mVolumeChanged = TRUE; }
-				void    faceMappingChanged()                    { mFaceMappingChanged=TRUE; };
+				void    faceMappingChanged() override           { mFaceMappingChanged=TRUE; }
 
 	/*virtual*/ void	onShift(const LLVector4a &shift_vector) override; // Called when the drawable shifts