Revision: 16589
          
http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=16589
Author:   blendix
Date:     2008-09-18 03:46:28 +0200 (Thu, 18 Sep 2008)

Log Message:
-----------
Fix for bug #3858: the game engine mouse focus sensor did not work
correct if there was more than one camera. It shoots rays from the
active camera, but used the viewport from whichever camera was drawn
last, now it uses the correct vieport.

Modified Paths:
--------------
    trunk/blender/source/gameengine/Converter/BL_BlenderDataConversion.cpp
    trunk/blender/source/gameengine/Converter/KX_ConvertSensors.cpp
    trunk/blender/source/gameengine/Converter/KX_ConvertSensors.h
    trunk/blender/source/gameengine/Ketsji/KX_KetsjiEngine.cpp
    trunk/blender/source/gameengine/Ketsji/KX_KetsjiEngine.h
    trunk/blender/source/gameengine/Ketsji/KX_MouseFocusSensor.cpp
    trunk/blender/source/gameengine/Ketsji/KX_MouseFocusSensor.h

Modified: trunk/blender/source/gameengine/Converter/BL_BlenderDataConversion.cpp
===================================================================
--- trunk/blender/source/gameengine/Converter/BL_BlenderDataConversion.cpp      
2008-09-18 00:51:51 UTC (rev 16588)
+++ trunk/blender/source/gameengine/Converter/BL_BlenderDataConversion.cpp      
2008-09-18 01:46:28 UTC (rev 16589)
@@ -2471,7 +2471,7 @@
                struct Object* blenderobj = 
converter->FindBlenderObject(gameobj);
                int layerMask = (groupobj.find(blenderobj) == groupobj.end()) ? 
activeLayerBitInfo : 0;
                bool isInActiveLayer = (blenderobj->lay & layerMask)!=0;
-               
BL_ConvertSensors(blenderobj,gameobj,logicmgr,kxscene,keydev,executePriority,layerMask,isInActiveLayer,canvas,converter);
+               
BL_ConvertSensors(blenderobj,gameobj,logicmgr,kxscene,ketsjiEngine,keydev,executePriority,layerMask,isInActiveLayer,canvas,converter);
                // set the init state to all objects
                
gameobj->SetInitState((blenderobj->init_state)?blenderobj->init_state:blenderobj->state);
        }

Modified: trunk/blender/source/gameengine/Converter/KX_ConvertSensors.cpp
===================================================================
--- trunk/blender/source/gameengine/Converter/KX_ConvertSensors.cpp     
2008-09-18 00:51:51 UTC (rev 16588)
+++ trunk/blender/source/gameengine/Converter/KX_ConvertSensors.cpp     
2008-09-18 01:46:28 UTC (rev 16589)
@@ -92,6 +92,7 @@
                                           class KX_GameObject* gameobj,
                                           SCA_LogicManager* logicmgr,
                                           KX_Scene* kxscene,
+                                          KX_KetsjiEngine* kxengine,
                                           SCA_IInputDevice* keydev,
                                           int & executePriority,
                                           int activeLayerBitInfo,
@@ -508,6 +509,7 @@
                                                        trackfocus,
                                                        canvas,
                                                        kxscene,
+                                                       kxengine,
                                                        gameobj); 
                                        }
                                } else {

Modified: trunk/blender/source/gameengine/Converter/KX_ConvertSensors.h
===================================================================
--- trunk/blender/source/gameengine/Converter/KX_ConvertSensors.h       
2008-09-18 00:51:51 UTC (rev 16588)
+++ trunk/blender/source/gameengine/Converter/KX_ConvertSensors.h       
2008-09-18 01:46:28 UTC (rev 16589)
@@ -33,6 +33,7 @@
           class KX_GameObject* gameobj,
           class SCA_LogicManager* logicmgr,
           class KX_Scene* kxscene,
+          class KX_KetsjiEngine* kxengine,
           class SCA_IInputDevice* keydev,
           int & executePriority ,
           int activeLayerBitInfo,

Modified: trunk/blender/source/gameengine/Ketsji/KX_KetsjiEngine.cpp
===================================================================
--- trunk/blender/source/gameengine/Ketsji/KX_KetsjiEngine.cpp  2008-09-18 
00:51:51 UTC (rev 16588)
+++ trunk/blender/source/gameengine/Ketsji/KX_KetsjiEngine.cpp  2008-09-18 
01:46:28 UTC (rev 16589)
@@ -299,7 +299,7 @@
                list<KX_Camera*>::iterator it;
                for(it = cameras->begin(); it != cameras->end(); it++)
                {
-                       SetupViewport(scene, (*it), area, viewport);
+                       GetSceneViewport(scene, (*it), area, viewport);
 
                        if(!doclear) {
                                clearvp = viewport;
@@ -894,7 +894,7 @@
        m_overrideCamFar = far;
 }
 
-void KX_KetsjiEngine::SetupViewport(KX_Scene *scene, KX_Camera* cam, RAS_Rect& 
area, RAS_Rect& viewport)
+void KX_KetsjiEngine::GetSceneViewport(KX_Scene *scene, KX_Camera* cam, 
RAS_Rect& area, RAS_Rect& viewport)
 {
        // In this function we make sure the rasterizer settings are upto
        // date. We compute the viewport so that logic
@@ -1001,7 +1001,7 @@
        if (!cam)
                return;
 
-       SetupViewport(scene, cam, area, viewport);
+       GetSceneViewport(scene, cam, area, viewport);
 
        // store the computed viewport in the scene
        scene->SetSceneViewport(viewport);      

Modified: trunk/blender/source/gameengine/Ketsji/KX_KetsjiEngine.h
===================================================================
--- trunk/blender/source/gameengine/Ketsji/KX_KetsjiEngine.h    2008-09-18 
00:51:51 UTC (rev 16588)
+++ trunk/blender/source/gameengine/Ketsji/KX_KetsjiEngine.h    2008-09-18 
01:46:28 UTC (rev 16589)
@@ -179,7 +179,6 @@
        /** Blue component of framing bar color. */
        float                                   m_overrideFrameColorB;
 
-       void                                    SetupViewport(KX_Scene *scene, 
KX_Camera* cam, RAS_Rect& area, RAS_Rect& viewport);
        void                                    RenderFrame(KX_Scene* scene, 
KX_Camera* cam);
        void                                    PostRenderFrame();
        void                                    RenderDebugProperties();
@@ -230,6 +229,8 @@
        void                    SuspendScene(const STR_String& scenename);
        void                    ResumeScene(const STR_String& scenename);
 
+       void                    GetSceneViewport(KX_Scene* scene, KX_Camera* 
cam, RAS_Rect& area, RAS_Rect& viewport);
+
        void SetDrawType(int drawingtype);
        void SetCameraZoom(float camzoom);
        

Modified: trunk/blender/source/gameengine/Ketsji/KX_MouseFocusSensor.cpp
===================================================================
--- trunk/blender/source/gameengine/Ketsji/KX_MouseFocusSensor.cpp      
2008-09-18 00:51:51 UTC (rev 16588)
+++ trunk/blender/source/gameengine/Ketsji/KX_MouseFocusSensor.cpp      
2008-09-18 01:46:28 UTC (rev 16589)
@@ -62,12 +62,14 @@
                                                                                
 int focusmode,
                                                                                
 RAS_ICanvas* canvas,
                                                                                
 KX_Scene* kxscene,
+                                                                               
 KX_KetsjiEngine *kxengine,
                                                                                
 SCA_IObject* gameobj, 
                                                                                
 PyTypeObject* T)
     : SCA_MouseSensor(eventmgr, startx, starty, mousemode, gameobj, T),
          m_focusmode(focusmode),
          m_gp_canvas(canvas),
-         m_kxscene(kxscene)
+         m_kxscene(kxscene),
+         m_kxengine(kxengine)
 {
        Init();
 }
@@ -193,21 +195,24 @@
         * calculations don't bomb. Maybe we should explicitly guard for
         * division by 0.0...*/
 
-       /**
-        * Get the scenes current viewport.
-        */
+       KX_Camera* cam = m_kxscene->GetActiveCamera();
 
-       const RAS_Rect & viewport = m_kxscene->GetSceneViewport();
+       /* get the scenes current viewport. we recompute it because there
+        * may be multiple cameras and m_kxscene->GetSceneViewport() only
+        * has the one that was last drawn */
 
+       RAS_Rect area, viewport;
+       m_kxengine->GetSceneViewport(m_kxscene, cam, area, viewport);
+
        float height = float(viewport.m_y2 - viewport.m_y1 + 1);
        float width  = float(viewport.m_x2 - viewport.m_x1 + 1);
        
        float x_lb = float(viewport.m_x1);
        float y_lb = float(viewport.m_y1);
 
-       KX_Camera* cam = m_kxscene->GetActiveCamera();
        /* There's some strangeness I don't fully get here... These values
         * _should_ be wrong! */
+       
 
        /* old: */
        float nearclip = 0.0;

Modified: trunk/blender/source/gameengine/Ketsji/KX_MouseFocusSensor.h
===================================================================
--- trunk/blender/source/gameengine/Ketsji/KX_MouseFocusSensor.h        
2008-09-18 00:51:51 UTC (rev 16588)
+++ trunk/blender/source/gameengine/Ketsji/KX_MouseFocusSensor.h        
2008-09-18 01:46:28 UTC (rev 16589)
@@ -56,6 +56,7 @@
                                                int focusmode,
                                                RAS_ICanvas* canvas,
                                                KX_Scene* kxscene,
+                                               KX_KetsjiEngine* kxengine,
                                                SCA_IObject* gameobj,
                                                PyTypeObject* T=&Type );
 
@@ -143,12 +144,6 @@
 
 
        /**
-        * Ref to the engine, for retrieving a reference to the current
-        * scene.  */
-       class KX_KetsjiEngine* m_engine;
-
-
-       /**
         * The active canvas. The size of this canvas determines a part of
         * the start position of the picking ray.  */
        RAS_ICanvas* m_gp_canvas;
@@ -158,6 +153,9 @@
         * determines a part of the start location of the picking ray.  */
        KX_Scene* m_kxscene;
 
+       /**
+        * The KX engine is needed for computing the viewport */
+       KX_KetsjiEngine* m_kxengine;
 };
 
 #endif //__KX_MOUSESENSOR


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