Implements shape preview caching for shape assets

Also standardizes the loading gui overlay so it can be used to inform that the asset preview generation is happening

Engine/source/T3D/assets/ShapeAsset.cpp

@@ -46,6 +46,10 @@
 #include "platform/profiler.h"
 #include "T3D/assets/assetImporter.h"
 
+#ifdef TORQUE_TOOLS
+#include "ts/tsLastDetail.h"
+#endif
+
 //-----------------------------------------------------------------------------
 
 IMPLEMENT_CONOBJECT(ShapeAsset);
@@ -505,6 +509,29 @@ ShapeAnimationAsset* ShapeAsset::getAnimation(S32 index)
    return nullptr;
 }
 
+#ifdef TORQUE_TOOLS
+const char* ShapeAsset::generateCachedPreviewImage(S32 resolution)
+{
+   if (!mShape)
+      return "";
+
+   TSLastDetail* dt = new TSLastDetail(mShape,
+      mFilePath,
+      1,
+      0,
+      0,
+      false,
+      0,
+      resolution);
+
+   dt->update();
+
+   delete dt;
+
+   return mFilePath;
+}
+#endif
+
 DefineEngineMethod(ShapeAsset, getMaterialCount, S32, (), ,
    "Gets the number of materials for this shape asset.\n"
    "@return Material count.\n")
@@ -526,6 +553,21 @@ DefineEngineMethod(ShapeAsset, getAnimation, ShapeAnimationAsset*, (S32 index),
 {
    return object->getAnimation(index);
 }
+
+DefineEngineMethod(ShapeAsset, getShapeFile, const char*, (), ,
+   "Creates a new script asset using the targetFilePath.\n"
+   "@return The bool result of calling exec")
+{
+   return object->getShapeFilePath();
+}
+
+#ifdef TORQUE_TOOLS
+DefineEngineMethod(ShapeAsset, generateCachedPreviewImage, const char*, (S32 resolution), (256), "")
+{
+   return object->generateCachedPreviewImage(resolution);
+}
+#endif
+
 //-----------------------------------------------------------------------------
 // GuiInspectorTypeAssetId
 //-----------------------------------------------------------------------------
@@ -625,10 +667,3 @@ void GuiInspectorTypeShapeAssetId::consoleInit()
 }
 
 #endif
-
-DefineEngineMethod(ShapeAsset, getShapeFile, const char*, (), ,
-   "Creates a new script asset using the targetFilePath.\n"
-   "@return The bool result of calling exec")
-{
-   return object->getShapeFilePath();
-}

Engine/source/T3D/assets/ShapeAsset.h

@@ -165,6 +165,10 @@ public:
 
    static StringTableEntry getNoShapeAssetId() { return StringTable->insert("Core_Rendering:noshape"); }
 
+#ifdef TORQUE_TOOLS
+   const char* generateCachedPreviewImage(S32 resolution);
+#endif
+
 protected:
    virtual void            onAssetRefresh(void);
 

Templates/BaseGame/game/tools/assetBrowser/scripts/assetImport.tscript

@@ -983,8 +983,7 @@ function ImportAssetWindow::ImportAssets(%this)
          return;
       }
       
-      Canvas.pushDialog( EditorLoadingGui );
-      Canvas.repaint();
+      displayEditorLoadingGui("Importing Assets...");
    
       %this.importer.targetModuleId = %moduleName;
    }
@@ -1000,7 +999,7 @@ function ImportAssetWindow::ImportAssets(%this)
    
    %this.importer.resetImportSession(true);
    
-   Canvas.popDialog( EditorLoadingGui );
+   hideEditorLoadingGui();
    
    //do the actual importing, now!
    /*%assetCount = ImportAssetItems.count();

Templates/BaseGame/game/tools/assetBrowser/scripts/assetTypes/shape.tscript

@@ -244,10 +244,48 @@ function AssetBrowser::importShapeAsset(%this, %assetItem)
 
 function AssetBrowser::buildShapeAssetPreview(%this, %assetDef, %previewData)
 {
+   %module = %this.dirHandler.getModuleFromAddress(makeRelativePath(filePath(%assetDef.getShapeFile())));
+   %previewPath = "tools/resources/shapePreviewCache/" @ %module.moduleId @ "/";
+   
+   if(!IsDirectory(%previewPath))
+   {
+      %this.dirHandler.createFolder(%previewPath);
+   }
+   
+   %previewPath = %previewPath @ %assetDef.assetName @ "_Preview.png";
+   if(!isFile(%previewPath))
+   {
+      displayEditorLoadingGui("Generating Shape Asset Preview...");
+      
+      //This is slightly hacky, but we're going to utilize the imposter/last detail system
+      //to generate our previews for us and then clean up the unneeded bits
+      %oldImposterSetting = $TSLastDetail::dumpImposters;
+      $TSLastDetail::dumpImposters = true;
+      
+      %filePath = %assetDef.generateCachedPreviewImage();
+      
+      %imposterPath = %filePath @ ".imposter.png";
+      pathCopy(%imposterPath, %previewPath);
+      
+      //cleanup
+      fileDelete(%imposterPath);
+      fileDelete(%filePath @ ".imposter.dds");
+      fileDelete(%filePath @ ".imposter_normals.png");
+      fileDelete(%filePath @ ".imposter_normals.dds");
+      
+      $TSLastDetail::dumpImposters = %oldImposterSetting;
+      
+      hideEditorLoadingGui();
+   }
+   
+   //Revalidate. If it didn't work, just use the default placeholder one
+   if(!isFile(%previewPath))
+      %previewPath = "tools/assetBrowser/art/genericAssetIcon";
+   
    %previewData.assetName = %assetDef.assetName;
    %previewData.assetPath = %assetDef.fileName;
 
-   %previewData.previewImage = "tools/assetBrowser/art/genericAssetIcon";//%assetDef.fileName;
+   %previewData.previewImage = %previewPath;//%assetDef.fileName;
    
    %previewData.assetFriendlyName = %assetDef.assetName;
    %previewData.assetDesc = %assetDef.description;

Templates/BaseGame/game/tools/gui/EditorLoadingGui.gui

@@ -52,6 +52,7 @@
          isContainer = "0";
          canSave = "1";
          canSaveDynamicFields = "0";
+         internalName = "loadingText";
       };
    };
 };
@@ -73,3 +74,19 @@ function EditorLoadingGui::onWake(%this)
    %posY = (%resY / 2) - (%dialogHeight / 2);
    %dialog.setPosition(%posX, %posY);
 }
+
+function displayEditorLoadingGui(%displayText)
+{
+   if(%displayText $= "")
+      %displayText = "Loading the Editor...";
+      
+   EditorLoadingGui-->loadingText.setText(%displayText);
+   
+   Canvas.pushDialog( EditorLoadingGui );
+   Canvas.repaint();
+}
+
+function hideEditorLoadingGui()
+{
+   Canvas.popDialog( EditorLoadingGui );
+}

Templates/BaseGame/game/tools/main.tscript

@@ -261,12 +261,11 @@ function fastLoadWorldEdit(%val)
    {
       if(!$Tools::loaded)
       {
-         canvas.pushDialog( EditorLoadingGui );
-         canvas.repaint();
+         displayEditorLoadingGui();
       
          onStart();
          
-         canvas.popDialog(EditorLoadingGui);
+         hideEditorLoadingGui();
       }
       
       %timerId = startPrecisionTimer();
@@ -304,8 +303,7 @@ function fastLoadWorldEdit(%val)
          }
          else
          {
-            canvas.pushDialog( EditorLoadingGui );
-            canvas.repaint();
+            displayEditorLoadingGui();
       
             Editor.open();
 			
@@ -317,7 +315,7 @@ function fastLoadWorldEdit(%val)
             if (theLevelInfo.type $= "DemoScene")
                commandToServer('dropCameraAtPlayer', true);
                
-            canvas.popDialog(EditorLoadingGui);
+            hideEditorLoadingGui();
          }
          
          popInstantGroup();
@@ -334,12 +332,11 @@ function fastLoadGUIEdit(%val)
    {
       if(!$Tools::loaded)
       {
-         canvas.pushDialog( EditorLoadingGui );
-         canvas.repaint();
+         displayEditorLoadingGui();
       
          onStart();
          
-         canvas.popDialog(EditorLoadingGui);
+         hideEditorLoadingGui();
       }
 
       toggleGuiEditor(true);

Templates/BaseGame/game/tools/worldEditor/scripts/editor.ed.tscript

@@ -138,8 +138,7 @@ function toggleEditor(%make)
          }
          else
          {
-            canvas.pushDialog( EditorLoadingGui );
-            canvas.repaint();
+            displayEditorLoadingGui();
             
             Editor.open();
 			
@@ -151,7 +150,7 @@ function toggleEditor(%make)
             if (theLevelInfo.type $= "DemoScene")
                commandToServer('dropCameraAtPlayer', true);
                
-            canvas.popDialog(EditorLoadingGui);
+            hideEditorLoadingGui();
          }
          
          popInstantGroup();