Changeset 4157 in orxonox.OLD for orxonox/branches/md2_loader/src/lib/graphics

Timestamp:

May 11, 2005, 12:14:54 AM (20 years ago)

Author:

patrick

Message:

orxonox/branches/md2_loader: modified the texture loader to use the sdl-image libraries, this will use material/texture classes from orxonox later

Location:

orxonox/branches/md2_loader/src/lib/graphics/importer

Files:

• abstract_model.h (modified) (2 diffs)
• md2Model.cc (modified) (3 diffs)

orxonox/branches/md2_loader/src/lib/graphics/importer/abstract_model.h

@@ -26 +26 @@
 #include <vector>
 #include <math.h>
+#include <SDL_image.h>
 
 using namespace std;
@@ -184 +185 @@
 {
 
-static createTexture(UINT textureArray[], LPSTR strFileName, int textureID)
-{
-        AUX_RGBImageRec *pBitmap = NULL;
+ public:
+  
+  static void createTexture(unsigned int textureArray[], char* strFileName, int textureID)
+    {
+      SDL_Surface *image = NULL;
+      
+      if(!strFileName)                                                         
+        return;
+
+      image = IMG_Load(strFileName);
+      if( !image)
+        PRINTF(0)("IMG_Load: %s\n", IMG_GetError());
         
-        if(!strFileName)                                                                        // Return from the function if no file name was passed in
-                return;
-
-        pBitmap = auxDIBImageLoad(strFileName);                         // Load the bitmap and store the data
-        
-        if(pBitmap == NULL)                                                                     // If we can't load the file, quit!
-                exit(0);
-
-        // Generate a texture with the associative texture ID stored in the array
-        glGenTextures(1, &textureArray[textureID]);
-
-        // This sets the alignment requirements for the start of each pixel row in memory.
-        glPixelStorei (GL_UNPACK_ALIGNMENT, 1);
-
-        // Bind the texture to the texture arrays index and init the texture
-        glBindTexture(GL_TEXTURE_2D, textureArray[textureID]);
-
-        // Build Mipmaps (builds different versions of the picture for distances - looks better)
-        gluBuild2DMipmaps(GL_TEXTURE_2D, 3, pBitmap->sizeX, pBitmap->sizeY, GL_RGB, GL_UNSIGNED_BYTE, pBitmap->data);
-
-        // Lastly, we need to tell OpenGL the quality of our texture map.  GL_LINEAR_MIPMAP_LINEAR
-        // is the smoothest.  GL_LINEAR_MIPMAP_NEAREST is faster than GL_LINEAR_MIPMAP_LINEAR, 
-        // but looks blochy and pixilated.  Good for slower computers though.  
-                
-        glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR_MIPMAP_NEAREST);
-        glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR_MIPMAP_LINEAR);
-
-        // Now we need to free the bitmap data that we loaded since openGL stored it as a texture
-
-        if (pBitmap)                                                                            // If we loaded the bitmap
-        {
-                if (pBitmap->data)                                                              // If there is texture data
-                {
-                        free(pBitmap->data);                                            // Free the texture data, we don't need it anymore
-                }
-
-                free(pBitmap);                                                                  // Free the bitmap structure
-        }
-}
+      glGenTextures(1, &textureArray[textureID]);
+      glPixelStorei (GL_UNPACK_ALIGNMENT, 1);
+      glBindTexture(GL_TEXTURE_2D, textureArray[textureID]);
+      glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR_MIPMAP_NEAREST);
+      glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR_MIPMAP_LINEAR);
+      gluBuild2DMipmaps(GL_TEXTURE_2D, 3, image->w, image->h, GL_RGBA, GL_UNSIGNED_BYTE, image->pixels);        
+
+      SDL_FreeSurface(image);
+    }
 
 };

orxonox/branches/md2_loader/src/lib/graphics/importer/md2Model.cc

@@ -146 +146 @@
   return true;
 }
+
 
 /**
@@ -191 +192 @@
 }
 
+
 /**
    \brief this function fills in the animation list for each animation by name and frame
@@ -239 +241 @@
     }
 }
+
 
 /**