From 4a119c8f465264cd9894c772f8d6e843699e3570 Mon Sep 17 00:00:00 2001
From: Marc Zinnschlag <marc@zpages.de>
Date: Thu, 6 Mar 2014 13:02:21 +0100
Subject: [PATCH] ambient lighting in interior cells

---
 apps/opencs/view/render/scenewidget.cpp       |  5 ++
 apps/opencs/view/render/scenewidget.hpp       |  4 ++
 .../view/render/unpagedworldspacewidget.cpp   | 60 ++++++++++++++++++-
 .../view/render/unpagedworldspacewidget.hpp   | 28 ++++++++-
 apps/opencs/view/world/scenesubview.cpp       |  2 +-
 5 files changed, 94 insertions(+), 5 deletions(-)

diff --git a/apps/opencs/view/render/scenewidget.cpp b/apps/opencs/view/render/scenewidget.cpp
index f71329c61..2c98b60cf 100644
--- a/apps/opencs/view/render/scenewidget.cpp
+++ b/apps/opencs/view/render/scenewidget.cpp
@@ -59,6 +59,11 @@ namespace CSVRender
         timer->start (20); /// \todo make this configurable
     }
 
+    void SceneWidget::setAmbient (const Ogre::ColourValue& colour)
+    {
+        mSceneMgr->setAmbientLight (colour);
+    }
+
     void SceneWidget::updateOgreWindow()
     {
         if (mWindow)
diff --git a/apps/opencs/view/render/scenewidget.hpp b/apps/opencs/view/render/scenewidget.hpp
index c0537aa73..ad68897ac 100644
--- a/apps/opencs/view/render/scenewidget.hpp
+++ b/apps/opencs/view/render/scenewidget.hpp
@@ -8,6 +8,7 @@ namespace Ogre
     class Camera;
     class SceneManager;
     class RenderWindow;
+    class ColourValue;
 }
 
 namespace CSVRender
@@ -25,6 +26,9 @@ namespace CSVRender
 
             QPaintEngine*	paintEngine() const;
 
+            void setAmbient (const Ogre::ColourValue& colour);
+            ///< \note The actual ambient colour may differ based on lighting settings.
+
         protected:
 
             void setNavigation (Navigation *navigation);
diff --git a/apps/opencs/view/render/unpagedworldspacewidget.cpp b/apps/opencs/view/render/unpagedworldspacewidget.cpp
index 6ccb1b99b..812a3b165 100644
--- a/apps/opencs/view/render/unpagedworldspacewidget.cpp
+++ b/apps/opencs/view/render/unpagedworldspacewidget.cpp
@@ -1,6 +1,60 @@
 
 #include "unpagedworldspacewidget.hpp"
 
-CSVRender::UnpagedWorldspaceWidget::UnpagedWorldspaceWidget (QWidget *parent)
-: WorldspaceWidget (parent)
-{}
\ No newline at end of file
+#include <OgreColourValue.h>
+
+#include "../../model/doc/document.hpp"
+
+#include "../../model/world/data.hpp"
+#include "../../model/world/idtable.hpp"
+
+void CSVRender::UnpagedWorldspaceWidget::update()
+{
+    const CSMWorld::Record<CSMWorld::Cell>& record =
+        dynamic_cast<const CSMWorld::Record<CSMWorld::Cell>&> (mCellsModel->getRecord (mCellId));
+
+    Ogre::ColourValue colour;
+    colour.setAsABGR (record.get().mAmbi.mAmbient);
+    setAmbient (colour);
+
+    /// \todo deal with mSunlight and mFog/mForDensity
+}
+
+CSVRender::UnpagedWorldspaceWidget::UnpagedWorldspaceWidget (const std::string& cellId,
+    CSMDoc::Document& document, QWidget *parent)
+: WorldspaceWidget (parent), mCellId (cellId)
+{
+    mCellsModel = &dynamic_cast<CSMWorld::IdTable&> (
+        *document.getData().getTableModel (CSMWorld::UniversalId::Type_Cells));
+
+    connect (mCellsModel, SIGNAL (dataChanged (const QModelIndex&, const QModelIndex&)),
+        this, SLOT (cellDataChanged (const QModelIndex&, const QModelIndex&)));
+    connect (mCellsModel, SIGNAL (rowsAboutToBeRemoved (const QModelIndex&, int, int)),
+        this, SLOT (cellRowsAboutToBeRemoved (const QModelIndex&, int, int)));
+
+    update();
+}
+
+void CSVRender::UnpagedWorldspaceWidget::cellDataChanged (const QModelIndex& topLeft,
+    const QModelIndex& bottomRight)
+{
+    QModelIndex cellIndex = mCellsModel->getModelIndex (mCellId, 0);
+
+    if (cellIndex.row()>=topLeft.row() && cellIndex.row()<bottomRight.row())
+    {
+        /// \todo possible optimisation: check columns and update only if relevant columns have
+        /// changed
+        update();
+    }
+}
+
+void CSVRender::UnpagedWorldspaceWidget::cellRowsAboutToBeRemoved (const QModelIndex& parent,
+    int start, int end)
+{
+    QModelIndex cellIndex = mCellsModel->getModelIndex (mCellId, 0);
+
+    if (cellIndex.row()>=start && cellIndex.row()<=end)
+    {
+
+    }
+}
\ No newline at end of file
diff --git a/apps/opencs/view/render/unpagedworldspacewidget.hpp b/apps/opencs/view/render/unpagedworldspacewidget.hpp
index 7f9c895bc..17dc46918 100644
--- a/apps/opencs/view/render/unpagedworldspacewidget.hpp
+++ b/apps/opencs/view/render/unpagedworldspacewidget.hpp
@@ -1,17 +1,43 @@
 #ifndef OPENCS_VIEW_UNPAGEDWORLDSPACEWIDGET_H
 #define OPENCS_VIEW_UNPAGEDWORLDSPACEWIDGET_H
 
+#include <string>
+
 #include "worldspacewidget.hpp"
 
+class QModelIndex;
+
+namespace CSMDoc
+{
+    class Document;
+}
+
+namespace CSMWorld
+{
+    class IdTable;
+}
+
 namespace CSVRender
 {
     class UnpagedWorldspaceWidget : public WorldspaceWidget
     {
             Q_OBJECT
 
+            std::string mCellId;
+            CSMWorld::IdTable *mCellsModel;
+
+            void update();
+
         public:
 
-            UnpagedWorldspaceWidget (QWidget *parent);
+            UnpagedWorldspaceWidget (const std::string& cellId, CSMDoc::Document& document,
+                QWidget *parent);
+
+        private slots:
+
+            void cellDataChanged (const QModelIndex& topLeft, const QModelIndex& bottomRight);
+
+            void cellRowsAboutToBeRemoved (const QModelIndex& parent, int start, int end);
     };
 }
 
diff --git a/apps/opencs/view/world/scenesubview.cpp b/apps/opencs/view/world/scenesubview.cpp
index 091e78ec4..d04cc4c15 100644
--- a/apps/opencs/view/world/scenesubview.cpp
+++ b/apps/opencs/view/world/scenesubview.cpp
@@ -37,7 +37,7 @@ CSVWorld::SceneSubView::SceneSubView (const CSMWorld::UniversalId& id, CSMDoc::D
     if (id.getId()[0]=='#')
         mScene = new CSVRender::PagedWorldspaceWidget (this);
     else
-        mScene = new CSVRender::UnpagedWorldspaceWidget (this);
+        mScene = new CSVRender::UnpagedWorldspaceWidget (id.getId(), document, this);
 
     SceneToolMode *tool = mScene->makeNavigationSelector (toolbar);
     toolbar->addTool (tool);