Changeset 2787 for GTP/trunk

Timestamp:

06/20/08 04:34:24 (17 years ago)

Author:

mattausch

Message:

 

Location:

GTP/trunk/App/Demos/Vis/FriendlyCulling/src

Files:

• Bvh.h (modified) (1 diff)
• Camera.cpp (modified) (2 diffs)
• RenderTraverser.h (modified) (1 diff)
• Visualization.cpp (modified) (5 diffs)
• Visualization.h (modified) (2 diffs)
• chcdemo.cpp (modified) (12 diffs)

GTP/trunk/App/Demos/Vis/FriendlyCulling/src/Bvh.h

@@ -156 +156 @@
         
         /// some flags
-        int mFlags;
+        //int mFlags;
         /// the depth of this node
         unsigned char mDepth;

GTP/trunk/App/Demos/Vis/FriendlyCulling/src/Camera.cpp

@@ -29 +29 @@
         mDirection.Normalize();
 
-        //Vector3 side = CrossProd(Vector3(0, 1, 0), mDirection);
-        Vector3 side = CrossProd(Vector3(0, 0, 1), mDirection);
-        
+        /*Vector3 side = CrossProd(Vector3(0, 0, 1), mDirection);
         mUp = -Normalize(CrossProd(side, mDirection));
-        mRight = -Normalize(CrossProd(mDirection, mUp));
-
-        /*float k = tan(mFovy/2);
-        mUp *= k;
-        mRight *= k*mWidth/mHeight;*/
+        mRight = -Normalize(CrossProd(mDirection, mUp));*/
+
+        mUp = Vector3(0, 0, 1);
+        mRight = -CrossProd(mDirection, mUp);
+        mUp = -Normalize(CrossProd(mRight, mDirection));
 }
 
@@ -179 +177 @@
         const float w_far = h_far * GetAspect();
 
+        //const Vector3 view = mDirection;
         const Vector3 view = mDirection;
         const Vector3 fc = mPosition + view * z_far; 
         
         const Vector3 up = mUp;
-
         const Vector3 right = mRight;
 

GTP/trunk/App/Demos/Vis/FriendlyCulling/src/RenderTraverser.h

@@ -79 +79 @@
         */
         const TraversalStatistics &GetStats() const { return mStats; }
+        /** The current frame id
+        */
+        int GetCurrentFrameId() const { return mFrameId; }
 
 

GTP/trunk/App/Demos/Vis/FriendlyCulling/src/Visualization.cpp

@@ -4 +4 @@
 #include "SceneEntity.h"
 #include "Bvh.h"
+#include "RenderState.h"
+
 #include <stack>
 
@@ -22 +24 @@
                                                          Camera *vizCamera, 
                                                          RenderState *renderState): 
-mBvh(bvh), mCamera(camera), mVizCamera(vizCamera), mRenderState(renderState)
+mBvh(bvh), 
+mCamera(camera),
+mVizCamera(vizCamera),
+mRenderState(renderState),
+mFrameId(0)
 {
 }
@@ -36 +42 @@
 {
         mRenderState = state;
+}
+
+
+void Visualization::SetFrameId(int frameId)
+{
+        mFrameId = frameId;
 }
 
@@ -43 +55 @@
         stack<BvhNode *> tStack;
         tStack.push(mBvh->GetRoot());
+
+        glEnableClientState(GL_VERTEX_ARRAY);
+        glEnableClientState(GL_NORMAL_ARRAY);
+
+        RenderFrustum();
 
         while (!tStack.empty())
@@ -58 +75 @@
                 else
                 {
+                        if (node->GetLastRenderedFrame() == mFrameId)
+                        {
+                                int geometrySize;
+                                SceneEntity **entities = mBvh->GetGeometry(node, geometrySize);
+
+                                for (int i = 0; i < geometrySize; ++ i)
+                                {
+                                        SceneEntity *ent = entities[i];
+                                        ent->Render(mRenderState);
+                                }               
+                        }
                         //leaves.push_back(static_cast<BvhLeaf *>(node));
                 }
         }
+
+        mRenderState->Reset();
+
+        glDisableClientState(GL_VERTEX_ARRAY);
+        glDisableClientState(GL_NORMAL_ARRAY);
 }
 

GTP/trunk/App/Demos/Vis/FriendlyCulling/src/Visualization.h

@@ -39 +39 @@
         */
         void SetRenderState(RenderState *state);
-        
+        /** Sets the currentframe id
+        */
+        void SetFrameId(int frameId);
 
 protected:
@@ -63 +65 @@
         /// the current render state
         RenderState *mRenderState;
+        /// the current frame id
+        int mFrameId;
 };
 

GTP/trunk/App/Demos/Vis/FriendlyCulling/src/chcdemo.cpp

@@ -85 +85 @@
 bool useMultiQueries = true;
 
+float rotation = 0;
+
+Matrix4x4 visView = IdentityMatrix();
+
 
 void InitExtensions();
@@ -108 +112 @@
 void rightMotion(int x, int y);
 void middleMotion(int x, int y);
-void drawEyeView(void);
-void setupVisView(void);
+void drawEyeView();
+void setupVisView();
 void CalcDecimalPoint(std::string &str, int d);
 void ResetTraverser();
@@ -185 +189 @@
         camera->SetPosition(Vector3(483.398f, 242.364f, 186.078f));
 
+        visualization = new Visualization(bvh, camera, NULL, &state);
+
         glutMainLoop();
 
@@ -229 +235 @@
         glMaterialfv(GL_FRONT, GL_DIFFUSE, diffuseColor);
         glMaterialfv(GL_FRONT, GL_SPECULAR, specularColor);
-        //setupVisView();
 }
 
@@ -409 +414 @@
         SetupEyeView();
 
-        //cout << camera->GetDirection() << " " << camera->GetPosition() << endl;
         // actually render the scene geometry using one of the specified algorithms
         traverser->RenderScene();
         
-        //if(visMode) displayVisualization();
+        if (visMode) DisplayVisualization();
         
         DisplayStats();
@@ -478 +482 @@
         case '2':
                 visZoomFactor += 0.1;   
-                setupVisView();
                 break;
         case '3':
                 visZoomFactor -= 0.1;
-                if(visZoomFactor < 0.1) visZoomFactor = 0.1;
-        
-                setupVisView();
+                if (visZoomFactor < 0.1) visZoomFactor = 0.1;
                 break;
         case '8':
@@ -561 +562 @@
 
 
-void special(const int c, const int x, const int y) 
+void special(int c, int x, int y) 
 {
         // used to avoid vertical motion with the keys
@@ -677 +678 @@
         eyeXAngle = 0.2f *  M_PI * (xEyeBegin - x) / 180.0;
 
+        rotation += eyeXAngle;
+
         // rotate view vector
         Matrix4x4 rot = RotationZMatrix(eyeXAngle);
@@ -802 +805 @@
 
 
-// displays the visualisation of the kd tree node culling
-void displayVisualization()
-{
+// displays the visualisation of culling algorithm
+void DisplayVisualization()
+{
+        setupVisView();
+
+        visualization->SetFrameId(traverser->GetCurrentFrameId());
+        
         begin2D();
         glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
@@ -816 +823 @@
         glViewport(winWidth / 2, winHeight / 2, winWidth, winHeight);
         glPushMatrix();
-        //glLoadMatrixf((float *)visView.x);
-        
+        //glMatrixMode(GL_PROJECTION);
+        glMatrixMode(GL_MODELVIEW);
+        glLoadIdentity();
+
+        Vector3 pos(camera->GetPosition());
+    pos.z = 10.0f * bvh->GetBox().Size().z;
+        pos.y = 800;
+        pos.x += 1000;
+
+        Matrix4x4 m = RotationZMatrix(-rotation);
+        Matrix4x4 t = TranslationMatrix(pos);
+        Matrix4x4 minust = TranslationMatrix(-pos);
+
+        glMultMatrixf((float *)visView.x);
+
+        glMultMatrixf((float *)t.x);
+        glMultMatrixf((float *)m.x);
+        glMultMatrixf((float *)minust.x);
+
         glClear(GL_DEPTH_BUFFER_BIT);
 
         ////////////
-        // --- visualization of the occlusion culling
+        //-- visualization of the occlusion culling
+
+        //traverser->RenderScene();
         visualization->Render();
         
@@ -835 +861 @@
 void setupVisView()
 {
-        const Vector3 up(0.0, 0.0, 1.0);
-        
-        Vector3 visPos(24, 23, -6);
-        
-        visPos[0] *= visZoomFactor; 
-        visPos[1] *= visZoomFactor; 
-        visPos[2] *= visZoomFactor;
-
-        Vector3 visDir = Vector3(-1.3f, -1, -1);
-}
-
+        Vector3 pos(-camera->GetPosition());
+    pos.z = -10.0f * bvh->GetBox().Size().z;
+        pos.y += 800;
+        pos.x -= 1000;
+
+        Vector3 dir(0, 0, 1);
+        Vector3 up(0, 1, 0);
+        //Vector3 up(camera->GetDirection());up.y = 0;
+
+        Vector3 left = Normalize(CrossProd(dir, up));
+        up = Normalize(CrossProd(left, dir));
+
+        visView = Matrix4x4(up, left, dir);
+        pos = visView * pos;
+
+        visView.x[3][0] = pos.x;
+        visView.x[3][1] = pos.y;
+        visView.x[3][2] = pos.z;
+}
 
 // cleanup routine after the main loop
@@ -855 +889 @@
         DEL_PTR(bvh);
         DEL_PTR(visualization);
+        DEL_PTR(camera);
 }