Changeset 7785 in orxonox.OLD for trunk/src/lib/graphics/importer/material.cc

Timestamp:

May 24, 2006, 3:17:19 AM (18 years ago)

Author:

bensch

Message:

orxonox/trunk: merged the Changes from the water branche back to the trunk.

File:

• trunk/src/lib/graphics/importer/material.cc (modified) (9 diffs)

trunk/src/lib/graphics/importer/material.cc

@@ -45 +45 @@
   this->setTransparency(1.0);
 
-  this->diffuseTexture = NULL;
   this->ambientTexture = NULL;
   this->specularTexture = NULL;
@@ -61 +60 @@
   PRINTF(5)("delete Material %s.\n", this->getName());
 
-  if (this->diffuseTexture != NULL)
-  {
-    ResourceManager::getInstance()->unload(this->diffuseTexture);
-  }
+  while(!this->textures.empty())
+  {
+    if (this->textures.back() != NULL)
+      ResourceManager::getInstance()->unload(this->textures.back());
+    this->textures.pop_back();
+  }
+
   if (this->ambientTexture != NULL)
     ResourceManager::getInstance()->unload(this->ambientTexture);
   if (this->specularTexture != NULL)
     ResourceManager::getInstance()->unload(this->specularTexture);
-}
-
-Material& Material::operator=(const Material& m)
-{
-  this->setIllum(m.illumModel);
-  this->setDiffuse(m.diffuse[0],m.diffuse[1],m.diffuse[2]);
-  this->setAmbient(m.ambient[0],m.ambient[1],m.ambient[2]);
-  this->setSpecular(m.specular[0],m.specular[1],m.specular[2]);
-  this->setShininess(m.shininess);
-  this->setTransparency(m.transparency);
-
-  if (this->diffuseTexture != NULL)
-    ResourceManager::getInstance()->unload(this->diffuseTexture);
-  if (m.diffuseTexture != NULL)
-    this->diffuseTexture = (Texture*)ResourceManager::getInstance()->copy(m.diffuseTexture);
-  this->ambientTexture = NULL; /// FIXME
-  this->specularTexture = NULL; /// FIXME
-
-  this->setName(m.getName());
-}
+
+  if (this == Material::selectedMaterial)
+    Material::selectedMaterial = NULL;
+}
+
+
+const Material* Material::selectedMaterial = NULL;
+
+const GLenum Material::glTextureArbs[] =
+{
+  GL_TEXTURE0,
+  GL_TEXTURE1,
+  GL_TEXTURE2,
+  GL_TEXTURE3,
+  GL_TEXTURE4,
+  GL_TEXTURE5,
+  GL_TEXTURE6,
+  GL_TEXTURE7
+};
+
+
+/// TODO FIX THIS
+// Material& Material::operator=(const Material& m)
+// {
+//   this->setIllum(m.illumModel);
+//   this->setDiffuse(m.diffuse[0],m.diffuse[1],m.diffuse[2]);
+//   this->setAmbient(m.ambient[0],m.ambient[1],m.ambient[2]);
+//   this->setSpecular(m.specular[0],m.specular[1],m.specular[2]);
+//   this->setShininess(m.shininess);
+//   this->setTransparency(m.transparency);
+//
+//   if (this->diffuseTexture != NULL)
+//     ResourceManager::getInstance()->unload(this->diffuseTexture);
+//   if (m.diffuseTexture != NULL)
+//     this->diffuseTexture = (Texture*)ResourceManager::getInstance()->copy(m.diffuseTexture);
+//   this->ambientTexture = NULL; /// FIXME
+//   this->specularTexture = NULL; /// FIXME
+//
+//   this->setName(m.getName());
+// }
+
 
 
@@ -94 +117 @@
  *  sets the material with which the following Faces will be painted
  */
-bool Material::select () const
-{
+bool Material::select() const
+{
+  if (unlikely(this == Material::selectedMaterial))
+      return true;
+
+
   // setting diffuse color
   glColor4f (diffuse[0], diffuse[1], diffuse[2], this->transparency);
-//  glMaterialfv(GL_FRONT, GL_DIFFUSE, this->diffuse);
-
   // setting ambient color
   glMaterialfv(GL_FRONT, GL_AMBIENT, this->ambient);
-
   // setting up Sprecular
   glMaterialfv(GL_FRONT, GL_SPECULAR, this->specular);
-
   // setting up Shininess
   glMaterialf(GL_FRONT, GL_SHININESS, this->shininess);
 
+
   // setting the transparency
   if (this->transparency < 1.0 ||       /* This allows alpha blending of 2D textures with the scene */
-      (this->diffuseTexture && this->diffuseTexture->hasAlpha()))
+      (likely(!this->textures.empty() && this->textures[0] != NULL) && this->textures[0]->hasAlpha()))
   {
     glEnable(GL_BLEND);
@@ -117 +141 @@
   }
   else
-    {
-      glDisable(GL_BLEND);
-      //glColor4f(*(this->diffuse), *(this->diffuse+1), *(this->diffuse+2), 1);
-    }
+  {
+    glDisable(GL_BLEND);
+  }
 
 
@@ -129 +152 @@
     glShadeModel(GL_SMOOTH);
 
-  if (this->diffuseTexture != NULL)
+  if (likely(Material::selectedMaterial != NULL))
+  {
+    for(unsigned int i = 0; i < Material::selectedMaterial->textures.size(); ++i)
     {
+        glActiveTexture(Material::glTextureArbs[i]);
+        glBindTexture(GL_TEXTURE_2D, 0);
+        glDisable(GL_TEXTURE_2D);
+    }
+  }
+
+  for(unsigned int i = 0; i < this->textures.size(); ++i)
+  {
+    if (likely(this->textures[i] != NULL))
+    {
+      glActiveTexture(Material::glTextureArbs[i]);
       glEnable(GL_TEXTURE_2D);
-      glBindTexture(GL_TEXTURE_2D, this->diffuseTexture->getTexture());
+      if(this->textures[i]->hasAlpha())
+      {
+        glEnable(GL_BLEND);
+      }
+      glBindTexture(GL_TEXTURE_2D, this->textures[i]->getTexture());
     }
-  else
-    {
-      glDisable(GL_TEXTURE_2D);
-      glBindTexture(GL_TEXTURE_2D, 0);
-    }
+  }
+  Material::selectedMaterial = this;
+
+  /*  if (this->diffuseTexture != NULL)
+      {
+        glEnable(GL_TEXTURE_2D);
+        glBindTexture(GL_TEXTURE_2D, this->diffuseTexture->getTexture());
+      }
+    else
+      {
+        glDisable(GL_TEXTURE_2D);
+        glBindTexture(GL_TEXTURE_2D, 0);
+      }*/
 }
 
@@ -162 +210 @@
 /**
  *  Sets the Material Diffuse Color.
- * @param r Red Color Channel.
+ * @param r Red Color Channel.a
  * @param g Green Color Channel.
  * @param b Blue Color Channel.
@@ -226 +274 @@
   this->specular[2] = b;
   this->specular[3] = 1.0;
- }
+}
 
 /**
@@ -285 +333 @@
 // MAPPING //
 
+void Material::setDiffuseMap(Texture* texture, unsigned int textureNumber)
+{
+  assert(textureNumber < Material::getMaxTextureUnits());
+
+  if (this->textures.size() > textureNumber && this->textures[textureNumber] != NULL)
+    ResourceManager::getInstance()->unload(this->textures[textureNumber]);
+
+  if (this->textures.size() <= textureNumber)
+    this->textures.resize(textureNumber+1, NULL);
+
+  //! @todo check if RESOURCE MANAGER is availiable
+  this->textures[textureNumber] = texture;
+}
+
+
+/**
+ * @brief Sets the Materials Diffuse Map
+ * @param dMap the Name of the Image to Use
+*/
+void Material::setDiffuseMap(const std::string& dMap, GLenum target, unsigned int textureNumber)
+{
+  assert(textureNumber < Material::getMaxTextureUnits());
+
+  PRINTF(5)("setting Diffuse Map %s\n", dMap.c_str());
+  if (this->textures.size() > textureNumber && this->textures[textureNumber] != NULL)
+    ResourceManager::getInstance()->unload(this->textures[textureNumber]);
+
+  if (this->textures.size() <= textureNumber)
+    this->textures.resize(textureNumber+1, NULL);
+
+  //! @todo check if RESOURCE MANAGER is availiable
+  if (!dMap.empty())
+  {
+
+    this->textures[textureNumber] = (Texture*)ResourceManager::getInstance()->load(dMap, IMAGE, RP_GAME, (int)target);
+  }
+  else
+  {
+    this->textures[textureNumber] = NULL;
+  }
+}
+
 /**
  *  Sets the Materials Diffuse Map
- * @param dMap the Name of the Image to Use
-*/
-void Material::setDiffuseMap(const std::string& dMap, GLenum target)
-{
-  PRINTF(5)("setting Diffuse Map %s\n", dMap.c_str());
-  if (this->diffuseTexture != NULL)
-    ResourceManager::getInstance()->unload(this->diffuseTexture);
-
-  //! @todo check if RESOURCE MANAGER is availiable
-  //! @todo Textures from .mtl-file need special care.
-  if (!dMap.empty())
-    this->diffuseTexture = (Texture*)ResourceManager::getInstance()->load(dMap, IMAGE, RP_GAME, (int)target);
+ * @param surface pointer to SDL_Surface which shall be used as texture
+*/
+void Material::setSDLDiffuseMap(SDL_Surface *surface, GLenum target, unsigned int textureNumber)
+{
+  assert(textureNumber < Material::getMaxTextureUnits());
+
+
+  if (this->textures.size() > textureNumber && this->textures[textureNumber] != NULL)
+    ResourceManager::getInstance()->unload(this->textures[textureNumber]);
+
+  if (this->textures.size() <= textureNumber)
+    this->textures.resize(textureNumber+1, NULL);
+
+  if(surface != NULL)
+  {
+    this->textures[textureNumber] = new Texture(surface, GL_TEXTURE_2D);
+  }
   else
-    this->diffuseTexture = NULL;
-}
+  {
+    this->textures[textureNumber] = NULL;
+  }
+
+}
+
 
 /**
@@ -332 +431 @@
 void Material::setBump(const std::string& bump)
 {
-
-}
+}
+
+
+
+int Material::getMaxTextureUnits()
+{
+  int maxTexUnits = 0;
+  glGetIntegerv(GL_MAX_TEXTURE_UNITS, &maxTexUnits);
+  return maxTexUnits;
+}