Fixes for compiling without Advanced Lighting

Building without Advanced Lighting (TORQUE_ADVANCED_LIGHTING unchecked
in CMake) generated linker errors and an alert when the game attempted
to set the light manager.

Engine/source/T3D/levelInfo.cpp

@@ -26,8 +26,10 @@
 #include "console/consoleTypes.h"
 #include "core/stream/bitStream.h"
 #include "scene/sceneManager.h"
+#if defined(TORQUE_ADVANCED_LIGHTING)
 #include "lighting/advanced/advancedLightManager.h"
 #include "lighting/advanced/advancedLightBinManager.h"
+#endif
 #include "sfx/sfxAmbience.h"
 #include "sfx/sfxSoundscape.h"
 #include "sfx/sfxSystem.h"
@@ -101,16 +103,21 @@ LevelInfo::LevelInfo()
    mAccuTextureName = "";
    mAccuTexture = NULL;
 
+#if defined(TORQUE_ADVANCED_LIGHTING)
    // Register with the light manager activation signal, and we need to do it first
    // so the advanced light bin manager can be instructed about MRT lightmaps
    LightManager::smActivateSignal.notify(this, &LevelInfo::_onLMActivate, 0.01f);
+#endif
 }
 
 //-----------------------------------------------------------------------------
 
 LevelInfo::~LevelInfo()
 {
+#if defined(TORQUE_ADVANCED_LIGHTING)
    LightManager::smActivateSignal.remove(this, &LevelInfo::_onLMActivate);
+#endif
+
    if (!mAccuTexture.isNull())
    {
       mAccuTexture.free();
@@ -334,7 +341,7 @@ void LevelInfo::_updateSceneGraph()
    // If the level info specifies that MRT pre-pass should be used in this scene
    // enable it via the appropriate light manager
    // (Basic lighting doesn't do anything different right now)
-#ifndef TORQUE_DEDICATED
+#if !defined(TORQUE_DEDICATED) && defined(TORQUE_ADVANCED_LIGHTING)
    if(isClientObject())
       _onLMActivate(LIGHTMGR->getId(), true);
 #endif
@@ -347,7 +354,7 @@ void LevelInfo::_updateSceneGraph()
 
 void LevelInfo::_onLMActivate(const char *lm, bool enable)
 {
-#ifndef TORQUE_DEDICATED
+#if !defined(TORQUE_DEDICATED) && defined(TORQUE_ADVANCED_LIGHTING)
    // Advanced light manager
    if(enable && String(lm) == String("ADVLM"))
    {

Engine/source/shaderGen/GLSL/shaderGenGLSLInit.cpp

@@ -35,7 +35,9 @@
 #include "shaderGen/GLSL/accuFeatureGLSL.h"
 
 // Deferred Shading
+#if defined(TORQUE_ADVANCED_LIGHTING)
 #include "lighting/advanced/glsl/deferredShadingFeaturesGLSL.h"
+#endif
 
 static ShaderGen::ShaderGenInitDelegate sInitDelegate;
 
@@ -100,11 +102,13 @@ void _initShaderGenGLSL( ShaderGen *shaderGen )
    FEATUREMGR->registerFeature( MFT_ImposterVert, new ImposterVertFeatureGLSL );
 
    // Deferred Shading
+#if defined(TORQUE_ADVANCED_LIGHTING)
    FEATUREMGR->registerFeature( MFT_isDeferred, new NamedFeatureGLSL( "Deferred Material" ) );
    FEATUREMGR->registerFeature( MFT_DeferredSpecMap, new DeferredSpecMapGLSL );
    FEATUREMGR->registerFeature( MFT_DeferredSpecVars, new DeferredSpecVarsGLSL );
    FEATUREMGR->registerFeature( MFT_DeferredMatInfoFlags, new DeferredMatInfoFlagsGLSL );
    FEATUREMGR->registerFeature( MFT_DeferredEmptySpec, new DeferredEmptySpecGLSL );
+#endif
    FEATUREMGR->registerFeature( MFT_SkyBox, new NamedFeatureGLSL( "skybox" ) );
    FEATUREMGR->registerFeature( MFT_HardwareSkinning, new HardwareSkinningFeatureGLSL );
 }

Engine/source/shaderGen/HLSL/shaderGenHLSLInit.cpp

@@ -33,7 +33,9 @@
 #include "materials/materialFeatureTypes.h"
 #include "core/module.h"
 // Deferred Shading
+#if defined(TORQUE_ADVANCED_LIGHTING)
 #include "lighting/advanced/hlsl/deferredShadingFeaturesHLSL.h"
+#endif
 #include "shaderGen/HLSL/accuFeatureHLSL.h"
 
 static ShaderGen::ShaderGenInitDelegate sInitDelegate;
@@ -100,12 +102,13 @@ void _initShaderGenHLSL( ShaderGen *shaderGen )
    FEATUREMGR->registerFeature( MFT_ForwardShading, new NamedFeatureHLSL( "Forward Shaded Material" ) );
 
    FEATUREMGR->registerFeature( MFT_ImposterVert, new ImposterVertFeatureHLSL );
-
+#if defined(TORQUE_ADVANCED_LIGHTING)
    FEATUREMGR->registerFeature( MFT_isDeferred, new NamedFeatureHLSL( "Deferred Material" ) );
    FEATUREMGR->registerFeature( MFT_DeferredSpecMap, new DeferredSpecMapHLSL );
    FEATUREMGR->registerFeature( MFT_DeferredSpecVars, new DeferredSpecVarsHLSL );
    FEATUREMGR->registerFeature( MFT_DeferredMatInfoFlags, new DeferredMatInfoFlagsHLSL );
    FEATUREMGR->registerFeature( MFT_DeferredEmptySpec, new DeferredEmptySpecHLSL );
+#endif
    FEATUREMGR->registerFeature( MFT_SkyBox,  new NamedFeatureHLSL( "skybox" ) );
    FEATUREMGR->registerFeature( MFT_HardwareSkinning, new HardwareSkinningFeatureHLSL );
 }

Templates/BaseGame/game/core/globals.cs

@@ -100,3 +100,7 @@
 //  SoftShadow - Does a simple soft shadow
 //  SoftShadowHighQuality 
 $pref::Shadows::filterMode = "SoftShadow";
+
+/// This is the default list of light managers ordered from
+/// most to least desirable for initialization.
+$lightManager::defaults = "Advanced Lighting" TAB "Basic Lighting";

Templates/BaseGame/game/core/lighting.cs

@@ -40,16 +40,26 @@ function initLightingSystems(%manager)
       exec( %file );
       %file = findNextFile( %pattern );
    }
-
-   // Try the perfered one first.
-   %success = setLightManager(%manager);
-
-   // Did we completely fail to initialize a light manager?   
-   if (!%success)
+
+   // Try to initialize the selected light manager directly
+   // If this fails, try to initialize the light managers in order from most to least preferable
+   if (setLightManager(%manager))
    {
+      return true;
+   }
+   else
+   {
+      for(%i = 0; %i < getFieldCount($lightManager::defaults); %i++)
+      {
+         %success = setLightManager(getField($lightManager::defaults, %i));
+
+         if (%success)
+            return true;
+      } 
+
       // If we completely failed to initialize a light 
       // manager then the 3d scene cannot be rendered.
-      quitWithErrorMessage( "Failed to set a light manager!" );
+      quitWithErrorMessage( "Failed to set a light manager!" );      
    }
 }
 

Templates/BaseGame/game/data/defaults.cs

@@ -64,10 +64,6 @@
 /// will try the defaults below.
 $pref::lightManager = "";
 
-/// This is the default list of light managers ordered from
-/// most to least desirable for initialization.
-$lightManager::defaults = "Advanced Lighting";
-
 /// A scale to apply to the camera view distance
 /// typically used for tuning performance.
 $pref::camera::distanceScale = 1.0;