Changeset 8562 in orxonox.OLD for branches/bsp_model/src/lib/graphics

Timestamp:

Jun 17, 2006, 1:27:38 PM (18 years ago)

Author:

patrick

Message:

bsp: md3 mesh drawing functions introduced

Location:

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

Files:

• md3_model.cc (modified) (3 diffs)
• md3_model.h (modified) (1 diff)

branches/bsp_model/src/lib/graphics/importer/md3/md3_model.cc

@@ -27 +27 @@
 #include "quaternion.h"
 
+#include "debug.h"
+
 namespace md3
 {
@@ -61 +63 @@
     //draw current bone frame
     this->draw(this->md3Data);
+
+    PRINTF(0)("draw\n");
   }
 
@@ -190 +194 @@
    */
   void MD3Model::drawMesh(MD3Mesh* mesh, sVec3D* frame)
-  {}
+  {
+    glColor3f(1.0f, 1.0f, 1.0f);
+    glBegin( GL_TRIANGLES );
+
+    // upload all triangles in the frame to OpenGL
+    for( int t = 0; t < mesh->header->triangleNum; t++) {
+      // calc normal vector
+      this->tmpVec1.x = frame[mesh->triangles[t].vertexOffset[1]][0] - frame[mesh->triangles[t].vertexOffset[0]][0];
+      this->tmpVec2.x = frame[mesh->triangles[t].vertexOffset[2]][0] - frame[mesh->triangles[t].vertexOffset[0]][0];
+
+      this->tmpVec1.y = frame[mesh->triangles[t].vertexOffset[1]][1] - frame[mesh->triangles[t].vertexOffset[0]][1];
+      this->tmpVec2.y = frame[mesh->triangles[t].vertexOffset[2]][1] - frame[mesh->triangles[t].vertexOffset[0]][1];
+
+      this->tmpVec1.z = frame[mesh->triangles[t].vertexOffset[1]][2] - frame[mesh->triangles[t].vertexOffset[0]][2];
+      this->tmpVec2.z = frame[mesh->triangles[t].vertexOffset[2]][2] - frame[mesh->triangles[t].vertexOffset[0]][2];
+
+      Vector normal = this->tmpVec1.cross(tmpVec2);
+      normal.normalize();
+
+      glNormal3f(normal.x, normal.y, normal.z);
+      //no normalization necessary, GL_NORMALIZE is enabled!
+
+      glTexCoord2fv( mesh->texVecs[mesh->triangles[t].vertexOffset[0]].textureCoord);
+      glVertex3f( frame[mesh->triangles[t].vertexOffset[0]][0],
+                  frame[mesh->triangles[t].vertexOffset[0]][1],
+                  frame[mesh->triangles[t].vertexOffset[0]][2]);
+      glTexCoord2fv( mesh->texVecs[mesh->triangles[t].vertexOffset[1]].textureCoord);
+      glVertex3f( frame[mesh->triangles[t].vertexOffset[1]][0],
+                  frame[mesh->triangles[t].vertexOffset[1]][1],
+                  frame[mesh->triangles[t].vertexOffset[1]][2]);
+      glTexCoord2fv( mesh->texVecs[mesh->triangles[t].vertexOffset[2]].textureCoord);
+      glVertex3f( frame[mesh->triangles[t].vertexOffset[2]][0],
+                  frame[mesh->triangles[t].vertexOffset[2]][1],
+                  frame[mesh->triangles[t].vertexOffset[2]][2]);
+    }
+
+    glEnd();
+  }
 
 

branches/bsp_model/src/lib/graphics/importer/md3/md3_model.h

@@ -63 +63 @@
     MD3Normal*          tmpNormal;         //!< a temporary normals frame
     float               tmpMatrix[16];     //!< a temporary matrix
+    Vector              tmpVec1;
+    Vector              tmpVec2;
 };