From 7f967153ef993752c65bcda70bb4724eb76025af Mon Sep 17 00:00:00 2001
From: scrawl <scrawl@baseoftrash.de>
Date: Wed, 6 Jan 2016 15:00:58 +0100
Subject: [PATCH] OpenCS: create light sources

---
 apps/opencs/view/render/object.cpp      | 30 ++++++++++++++++++++++++-
 apps/opencs/view/render/scenewidget.cpp |  5 ++++-
 2 files changed, 33 insertions(+), 2 deletions(-)

diff --git a/apps/opencs/view/render/object.cpp b/apps/opencs/view/render/object.cpp
index 2ff80b38b..f202be4bc 100644
--- a/apps/opencs/view/render/object.cpp
+++ b/apps/opencs/view/render/object.cpp
@@ -17,7 +17,9 @@
 #include "../../model/world/refidcollection.hpp"
 
 #include <components/resource/scenemanager.hpp>
-#include <components/sceneutil/clone.hpp>
+#include <components/sceneutil/lightutil.hpp>
+#include <components/sceneutil/lightmanager.hpp>
+#include <components/fallback/fallback.hpp>
 
 #include "mask.hpp"
 
@@ -62,6 +64,7 @@ void CSVRender::Object::update()
     const CSMWorld::RefIdCollection& referenceables = mData.getReferenceables();
 
     int index = referenceables.searchId (mReferenceableId);
+    const ESM::Light* light = NULL;
 
     if (index==-1)
         error = 1;
@@ -73,6 +76,14 @@ void CSVRender::Object::update()
             referenceables.findColumnIndex (CSMWorld::Columns::ColumnId_Model)).
             toString().toUtf8().constData();
 
+        int recordType =
+                referenceables.getData (index,
+                referenceables.findColumnIndex(CSMWorld::Columns::ColumnId_RecordType)).toInt();
+        if (recordType == CSMWorld::UniversalId::Type_Light)
+        {
+            light = &dynamic_cast<const CSMWorld::Record<ESM::Light>& >(referenceables.getRecord(index)).get();
+        }
+
         if (model.empty())
             error = 2;
     }
@@ -97,6 +108,21 @@ void CSVRender::Object::update()
             std::cerr << e.what() << std::endl;
         }
     }
+
+    if (light)
+    {
+        const Fallback::Map* fallback = mData.getFallbackMap();
+        static bool outQuadInLin = fallback->getFallbackBool("LightAttenuation_OutQuadInLin");
+        static bool useQuadratic = fallback->getFallbackBool("LightAttenuation_UseQuadratic");
+        static float quadraticValue = fallback->getFallbackFloat("LightAttenuation_QuadraticValue");
+        static float quadraticRadiusMult = fallback->getFallbackFloat("LightAttenuation_QuadraticRadiusMult");
+        static bool useLinear = fallback->getFallbackBool("LightAttenuation_UseLinear");
+        static float linearRadiusMult = fallback->getFallbackFloat("LightAttenuation_LinearRadiusMult");
+        static float linearValue = fallback->getFallbackFloat("LightAttenuation_LinearValue");
+        bool isExterior = false; // FIXME
+        SceneUtil::addLight(mBaseNode, light, Mask_ParticleSystem, ~0u, isExterior, outQuadInLin, useQuadratic,
+                            quadraticValue, quadraticRadiusMult, useLinear, linearRadiusMult, linearValue);
+    }
 }
 
 void CSVRender::Object::adjustTransform()
@@ -131,6 +157,8 @@ CSVRender::Object::Object (CSMWorld::Data& data, osg::Group* parentNode,
 : mData (data), mBaseNode(0), mSelected(false), mParentNode(parentNode), mResourceSystem(data.getResourceSystem().get()), mForceBaseToZero (forceBaseToZero)
 {
     mBaseNode = new osg::PositionAttitudeTransform;
+    mBaseNode->addCullCallback(new SceneUtil::LightListCallback);
+
     mOutline = new osgFX::Scribe;
     mOutline->addChild(mBaseNode);
 
diff --git a/apps/opencs/view/render/scenewidget.cpp b/apps/opencs/view/render/scenewidget.cpp
index d7138b392..c51b22e09 100644
--- a/apps/opencs/view/render/scenewidget.cpp
+++ b/apps/opencs/view/render/scenewidget.cpp
@@ -14,6 +14,7 @@
 
 #include <components/resource/scenemanager.hpp>
 #include <components/resource/resourcesystem.hpp>
+#include <components/sceneutil/lightmanager.hpp>
 
 #include "../widget/scenetoolmode.hpp"
 
@@ -64,7 +65,9 @@ RenderWidget::RenderWidget(QWidget *parent, Qt::WindowFlags f)
     mView->getCamera()->setViewport( new osg::Viewport(0, 0, traits->width, traits->height) );
     mView->getCamera()->setProjectionMatrixAsPerspective(30.0f, static_cast<double>(traits->width)/static_cast<double>(traits->height), 1.0f, 10000.0f );
 
-    mRootNode = new osg::Group;
+    SceneUtil::LightManager* lightMgr = new SceneUtil::LightManager;
+    lightMgr->setStartLight(1);
+    mRootNode = lightMgr;
 
     mView->getCamera()->getOrCreateStateSet()->setMode(GL_NORMALIZE, osg::StateAttribute::ON);
     mView->getCamera()->getOrCreateStateSet()->setMode(GL_CULL_FACE, osg::StateAttribute::ON);