Changeset 8423 in orxonox.OLD for branches/bsp_model/src/lib/graphics

Timestamp:

Jun 14, 2006, 11:49:33 PM (18 years ago)

Author:

patrick

Message:

bsp: data reading algorithm completed. almost impossible, that it runs on first try…

Location:

branches/bsp_model/src/lib/graphics/importer/md3

Files:

• md3_data.cc (modified) (1 diff)
• md3_mesh.h (modified) (2 diffs)

branches/bsp_model/src/lib/graphics/importer/md3/md3_data.cc

@@ -335 +335 @@
 int MD3Data::readMeshVertices(FILE* pFile, int fileOffset, int mesh)
 {
-  return 0;
-}
-
-}
-
-
-
-
-
-
-
+  // reserver memory for the vertex informations
+  this->meshes[mesh]->meshFrames = new sVec3D[this->meshes[mesh]->header->meshFrameNum * this->meshes[mesh]->header->vertexNum];
+  this->meshes[mesh]->normals = new MD3Normal[this->meshes[mesh]->header->meshFrameNum * this->meshes[mesh]->header->vertexNum];
+
+  // read out the compressed data
+  MD3VertexCompressed* vc = new MD3VertexCompressed[this->meshes[mesh]->header->meshFrameNum * this->meshes[mesh]->header->vertexNum];
+  fread(vc, 1, sizeof(MD3VertexCompressed), pFile);
+
+  int index;
+
+  for( int i = 0; i < this->meshes[mesh]->header->meshFrameNum; i++)
+  {
+    for( int j = 0; j < this->meshes[mesh]->header->vertexNum; j++)
+    {
+      index = i * this->meshes[mesh]->header->meshFrameNum + j;
+      this->meshes[mesh]->meshFrames[index][0] = (float)vc[index].vector[0] / 64.0f;
+      this->meshes[mesh]->meshFrames[index][1] = (float)vc[index].vector[1] / 64.0f;
+      this->meshes[mesh]->meshFrames[index][2] = (float)vc[index].vector[2] / 64.0f;
+
+      this->meshes[mesh]->normals[index].vertexNormal[0] = vc[index].vertexNormal[0];
+      this->meshes[mesh]->normals[index].vertexNormal[1] = vc[index].vertexNormal[1];
+    }
+  }
+
+  // delete the temp memory again
+  delete [] vc;
+
+  return this->meshes[mesh]->header->meshFrameNum * this->meshes[mesh]->header->vertexNum * sizeof(MD3VertexCompressed);
+}
+
+}
+
+
+
+
+
+
+

branches/bsp_model/src/lib/graphics/importer/md3/md3_mesh.h

@@ -53 +53 @@
   };
 
+  typedef struct MD3Normal {
+    int     vertexNormal[2];                //!< vertex normals
+  };
+
+  typedef struct MD3VertexCompressed {
+    short   vector[3];                      //!< compressed vertex information
+    unsigned char vertexNormal[2];          //!< vertex normals compressed
+  };
+
+
 
 class MD3Mesh
@@ -67 +77 @@
     MD3Triangle*       triangles;               //!< indices into mesh frames and texture coord arrays
     MD3TexVecs*        texVecs;                 //!< tex vecs coordinates
+    sVec3D*            meshFrames;              //!< mesh frames
+    MD3Normal*         normals;                 //!< 3d array of normals with spherical coordinates giving the dir of the vertex normal
 
-    float*             textureCoords;           //!< U/V textures coordinates of vertices
-    Vector             meshFrames;              //!< mesh frames
 };