transparent overlay

apps/openmw/mwgui/map_window.cpp

@@ -266,13 +266,17 @@ MapWindow::MapWindow(MWBase::WindowManager& parWindowManager, const std::string&
     mGlobalMapRender = new MWRender::GlobalMap(cacheDir);
     mGlobalMapRender->render();
 
+    mGlobalMapRender->exploreCell(0,0);
+
     getWidget(mLocalMap, "LocalMap");
     getWidget(mGlobalMap, "GlobalMap");
     getWidget(mGlobalMapImage, "GlobalMapImage");
+    getWidget(mGlobalMapOverlay, "GlobalMapOverlay");
     getWidget(mPlayerArrowLocal, "CompassLocal");
     getWidget(mPlayerArrowGlobal, "CompassGlobal");
 
     mGlobalMapImage->setImageTexture("GlobalMap.png");
+    mGlobalMapOverlay->setImageTexture("GlobalMapOverlay");
 
     mGlobalMap->setVisible (false);
 
@@ -328,6 +332,11 @@ void MapWindow::addVisitedLocation(const std::string& name, int x, int y)
     markerWidget->setUserString("Caption_Text", name);
 }
 
+void MapWindow::cellExplored(int x, int y)
+{
+    mGlobalMapRender->exploreCell(x,y);
+}
+
 void MapWindow::onDragStart(MyGUI::Widget* _sender, int _left, int _top, MyGUI::MouseButton _id)
 {
     if (_id!=MyGUI::MouseButton::Left) return;

apps/openmw/mwgui/map_window.hpp

@@ -70,6 +70,7 @@ namespace MWGui
         void setCellName(const std::string& cellName);
 
         void addVisitedLocation(const std::string& name, int x, int y); // adds the marker to the global map
+        void cellExplored(int x, int y);
 
         virtual void open();
 
@@ -82,6 +83,7 @@ namespace MWGui
 
         MyGUI::ScrollView* mGlobalMap;
         MyGUI::ImageBox* mGlobalMapImage;
+        MyGUI::ImageBox* mGlobalMapOverlay;
         MyGUI::ImageBox* mPlayerArrowLocal;
         MyGUI::ImageBox* mPlayerArrowGlobal;
         MyGUI::Button* mButton;

apps/openmw/mwgui/windowmanagerimp.cpp

@@ -621,6 +621,8 @@ void WindowManager::changeCell(MWWorld::Ptr::CellStore* cell)
                 name = getGameSettingString("sDefaultCellname", "Wilderness");
         }
 
+        mMap->cellExplored(cell->cell->getGridX(), cell->cell->getGridY());
+
         mMap->setCellName( name );
         mHud->setCellName( name );
 

apps/openmw/mwrender/globalmap.cpp

@@ -7,6 +7,7 @@
 #include <OgreColourValue.h>
 #include <OgreHardwareVertexBuffer.h>
 #include <OgreRoot.h>
+#include <OgreHardwarePixelBuffer.h>
 
 #include "../mwbase/environment.hpp"
 #include "../mwbase/world.hpp"
@@ -47,6 +48,7 @@ namespace MWRender
         mWidth = cellSize*(mMaxX-mMinX+1);
         mHeight = cellSize*(mMaxY-mMinY+1);
 
+        mExploredBuffer.resize((mMaxX-mMinX+1) * (mMaxY-mMinY+1) * 4);
 
         //if (!boost::filesystem::exists(mCacheDir + "/GlobalMap.png"))
         if (1)
@@ -179,5 +181,46 @@ namespace MWRender
         imageY = 1.f-float(y - mMinY + 1) / (mMaxY - mMinY + 1);
     }
 
+    void GlobalMap::exploreCell(int cellX, int cellY)
+    {
+        mExploredCells.push_back(std::make_pair(cellX, cellY));
+        int width = mMaxX-mMinX+1;
+        int height = mMaxY-mMinY+1;
 
+        if (mOverlayTexture.isNull())
+        {
+            mOverlayTexture = Ogre::TextureManager::getSingleton().createManual("GlobalMapOverlay", Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,
+                Ogre::TEX_TYPE_2D, width, height, 0, Ogre::PF_A8B8G8R8, Ogre::TU_DYNAMIC_WRITE_ONLY);
+        }
+
+        for (int x = mMinX; x <= mMaxX; ++x)
+        {
+            for (int y = mMinY; y <= mMaxY; ++y)
+            {
+                unsigned char r,g,b,a;
+                r = 0;
+                g = 0;
+                b = 0;
+                if (std::find(mExploredCells.begin(), mExploredCells.end(), std::make_pair(x, y)) != mExploredCells.end())
+                    a = 0;
+                else
+                    a = 128;
+                int texelX = (x-mMinX);
+                int texelY = (height-1) - (y-mMinY);
+
+                assert( static_cast<unsigned int>(texelY * width * 4 + texelX * 4+3) < mExploredBuffer.size());
+                mExploredBuffer[texelY * width * 4 + texelX * 4] = r;
+                mExploredBuffer[texelY * width * 4 + texelX * 4+1] = g;
+                mExploredBuffer[texelY * width * 4 + texelX * 4+2] = b;
+                mExploredBuffer[texelY * width * 4 + texelX * 4+3] = a;
+            }
+        }
+
+        Ogre::Image image;
+        image.loadDynamicImage(&mExploredBuffer[0], width, height, Ogre::PF_A8B8G8R8);
+
+        memcpy(mOverlayTexture->getBuffer()->lock(Ogre::HardwareBuffer::HBL_DISCARD),
+               &mExploredBuffer[0], width*height*4);
+        mOverlayTexture->getBuffer()->unlock();
+    }
 }

apps/openmw/mwrender/globalmap.hpp

@@ -3,6 +3,8 @@
 
 #include <string>
 
+#include <OgreTexture.h>
+
 namespace MWRender
 {
 
@@ -22,9 +24,16 @@ namespace MWRender
 
         void cellTopLeftCornerToImageSpace(int x, int y, float& imageX, float& imageY);
 
+        void exploreCell (int cellX, int cellY);
+
     private:
         std::string mCacheDir;
 
+        std::vector< std::pair<int,int> > mExploredCells;
+
+        Ogre::TexturePtr mOverlayTexture;
+        std::vector<Ogre::uchar> mExploredBuffer;
+
         int mWidth;
         int mHeight;
 

apps/openmw/mwrender/localmap.hpp

@@ -58,7 +58,6 @@ namespace MWRender
          */
         void saveFogOfWar(MWWorld::CellStore* cell);
 
-
         /**
          * Get the interior map texture index and normalized position
          * on this texture, given a world position (in ogre coordinates)

apps/openmw/mwrender/player.cpp

@@ -23,7 +23,8 @@ namespace MWRender
       mFreeLook(true),
       mHeight(128.f),
       mCameraDistance(300.f),
-      mDistanceAdjusted(false)
+      mDistanceAdjusted(false),
+      mAnimation(NULL)
     {
         mVanity.enabled = false;
         mVanity.allowed = true;

files/mygui/openmw_map_window.layout

@@ -19,6 +19,7 @@
             <Property key="CanvasSize" value="1536 1536"/>
 
             <Widget type="ImageBox" skin="ImageBox" position_real="0 0 1 1" align="Stretch" name="GlobalMapImage">
+                <Widget type="ImageBox" skin="ImageBox" position_real="0 0 1 1" align="Stretch" name="GlobalMapOverlay"/>
             </Widget>
 
             <Widget type="ImageBox" skin="RotatingSkin" position="0 0 32 32" align="ALIGN_TOP ALIGN_LEFT" name="CompassGlobal">