Changeset 9936 in orxonox.OLD for branches/volumetric_fog

Timestamp:

Nov 17, 2006, 10:07:44 AM (18 years ago)

Author:

hdavid

Message:

branches/volumetric_fog

Location:

branches/volumetric_fog/src/world_entities/weather_effects

Files:

• volfog_effect.cc (modified) (4 diffs)
• volfog_effect.h (modified) (1 diff)

branches/volumetric_fog/src/world_entities/weather_effects/volfog_effect.cc

@@ -20 +20 @@
 #include "p_node.h"
 #include "state.h"
+#include "shell_command.h"
 
 #include "glincl.h"
 #include "debug.h"
-
 
 #define GLX_GLXEXT_PROTOTYPES
@@ -31 +31 @@
 CREATE_FACTORY(VolFogEffect);
 
+SHELL_COMMAND(activate, VolFogEffect, activateFog);
+SHELL_COMMAND(deactivate, VolFogEffect, deactivateFog);
+
+
+typedef void (APIENTRY * PFNGLFOGCOORDFEXTPROC) (GLfloat coord);    // Declare Function Prototype
+PFNGLFOGCOORDFEXTPROC glFogCoordfEXT = NULL;          // Our glFogCoordfEXT Function
 
 
@@ -36 +42 @@
   this->registerObject(this, VolFogEffect::_objectList);
 
-    if (root != NULL)
-        this->loadParams(root);
+  if (root != NULL)
+      this->loadParams(root);
 
-    // Initialize Effect
-    this->init();
+  // Initialize Effect
+  this->init();
 
-    // Activate Effect
-    if(fogActivate)
-      this->activate();
+  // Activate Effect
+  if(fogActivate)
+    this->activate();
 }
 
 
 VolFogEffect::~VolFogEffect() {
+  if(fogActivate)
     this->deactivate();
 }
 
 void VolFogEffect::loadParams(const TiXmlElement* root) {
-    WeatherEffect::loadParams(root);
+  WeatherEffect::loadParams(root);
 }
 
 void VolFogEffect::init() {
-    PRINTF(0)("Initalize VolFogEffect\n");
-    
-    fogActivate = false;
+  PRINTF(0)("Initalize VolFogEffect\n");
+  
+  fogColor[0] = 0.6f;
+  fogColor[1] = 0.3f;
+  fogColor[2] = 0.0f;
+  fogColor[3] = 1.0f;
 
-    
+  fogActivate = false;
 }
 
 
 void VolFogEffect::activate() {
-    PRINTF(0)("Activating VolFogEffect\n");
+  PRINTF(0)("Activating VolFogEffect\n");
+  
+  // Test whether the extension exists
+  if (!glewIsSupported("GL_EXT_fog_coord"))
+  {
+    PRINTF(0)("Can't activate volumetric fog, GL_EXT_fog_coord extension is misssing\n");
+    return;
+  }
+  
+  fogActivate = true;
 }
 
 void VolFogEffect::deactivate() {
-    PRINTF(0)("Deactivating VolFogEffect\n");
+  PRINTF(0)("Deactivating VolFogEffect\n");
+  
+  fogActivate = false;
 }
 
@@ -79 +100 @@
 void VolFogEffect::draw() const {
 
+  if(!fogActivate)
+    return;
 }
 

branches/volumetric_fog/src/world_entities/weather_effects/volfog_effect.h

@@ -24 +24 @@
   virtual void activate();
   virtual void deactivate();
+  
+  inline  void activateFog()
+  {
+    this->activate();
+  }
+  inline  void deactivateFog()
+  {
+    this->deactivate();
+  }
 
   virtual void draw() const;