Changeset 7700 in orxonox.OLD for branches/water/src/world_entities/environments/mapped_water.cc

Timestamp:

May 18, 2006, 5:05:45 PM (19 years ago)

Author:

stefalie

Message:

branches/water: first attempt to realise reflection

File:

• branches/water/src/world_entities/environments/mapped_water.cc (modified) (4 diffs)

branches/water/src/world_entities/environments/mapped_water.cc

@@ -24 +24 @@
 
 MappedWater::MappedWater(const TiXmlElement* root)
+ : texture(GL_TEXTURE_2D)
 {
   this->setClassID(CL_MAPPED_WATER, "MappedWater");
@@ -30 +31 @@
   if (root != NULL)
     this->loadParams(root);
+    
+    mat.setDiffuseMap(&this->texture, 0);
 }
 
@@ -58 +61 @@
   //glEnable(GL_LIGHTING);
 
-  Material mat;
-  mat.setDiffuseMap("pictures/ground.tga", GL_TEXTURE_2D, 0);
+ 
   //mat.setDiffuseMap("pictures/sky-replace.jpg", GL_TEXTURE_2D, 1);
   //mat.setTransparency(1.0);
   //mat.setDiffuse(1.0, 0, .1);
+ 
+ 
+  // HACK
+
+  //glDisable(GL_BLEND);
+  //glActiveTexture(GL_TEXTURE0);
+  //glBindTexture(GL_TEXTURE_2D, this->texture);
+
   mat.select();
 
@@ -94 +104 @@
 }
 
-void MappedWater::activateReflection() {}
-void MappedWater::deactivateReflection() {}
+void MappedWater::activateReflection()
+{
+  // Change the view port to be the size of the texture we will render to
+  // HACK
+  int textureSize = 512;
+  glPushAttrib(GL_VIEWPORT_BIT);
+  glViewport(0,0, textureSize, textureSize);
 
-void MappedWater::activateRefraction() {}
-void MappedWater::deactivateRefraction() {}
+  // Clear the color and depth bits, reset the matrix and position our camera.
+//  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+//  glLoadIdentity();
+  //g_Camera.Look();
+
+  // So we don't affect any other objects in the world we push on a new matrix
+  //glPushMatrix();
+
+  // If our camera is above the water we will render the scene flipped upside down.
+  // In order to line up the reflection nicely with the world we have to translate
+  // the world to the position of our reflected surface, multiplied by two.
+  //if(g_Camera.Position().y > waterHeight)
+  //{
+      // Translate the world, then flip it upside down
+   //   glTranslatef(0.0f, waterHeight*2.0f, 0.0f);
+    //  glScalef(1.0, -1.0, 1.0);
+
+      // Since the world is updside down we need to change the culling to FRONT
+      //glCullFace(GL_FRONT);
+
+      // Set our plane equation and turn clipping on
+     // double plane[4] = {0.0, 1.0, 0.0, -waterHeight};
+   //   glEnable(GL_CLIP_PLANE0);
+     // glClipPlane(GL_CLIP_PLANE0, plane);
+
+      // Render the world upside down and clipped (only render the top flipped).
+      // If we don't turn OFF caustics for the reflection texture we get horrible
+      // artifacts in the water.  That is why we set bRenderCaustics to FALSE.
+      //RenderWorld(false);
+
+      // Turn clipping off
+     // glDisable(GL_CLIP_PLANE0);
+
+      // Restore back-face culling
+    //  glCullFace(GL_BACK);
+  //}
+  /*else
+  {
+      // If the camera is below the water we don't want to flip the world,
+      // but just render it clipped so only the top is drawn.
+      double plane[4] = {0.0, 1.0, 0.0, waterHeight};
+      glEnable(GL_CLIP_PLANE0);
+      glClipPlane(GL_CLIP_PLANE0, plane);
+      RenderWorld(true);
+      glDisable(GL_CLIP_PLANE0);
+  }*/
+
+  // Restore the previous matrix
+  //glPopMatrix();
+
+    // Bind the current scene to our reflection texture
+  //glBindTexture(GL_TEXTURE_2D, g_Texture[REFLECTION_ID]);
+  
+  
+  
+ glBindTexture(GL_TEXTURE_2D, texture.getTexture());
+ // ;
+ // mat.setDiffuseMap(&texture, 0);
+ glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, textureSize, textureSize);
+  
+  glPopAttrib();
+}
+
+void MappedWater::deactivateReflection()
+{
+
+}
+
+void MappedWater::activateRefraction()
+{
+
+}
+
+void MappedWater::deactivateRefraction()
+{
+
+}