(no commit message)

[atyndall/cits2231.git] / helper.c

diff --git a/helper.c b/helper.c
index 499b5c7..5ebcc09 100644 (file)
--- a/helper.c
+++ b/helper.c
@@ -207,20 +207,46 @@ int makeSubmenuFromArray( const char *menuEntries[], unsigned int menuEntriesSiz
 }
 
 /**
- * Draw a floor by calling the drawSquare recursion
+ * Draw a floor by looping over the floorSize and squareSize variables
  */
 void drawFloor() {
-       glBegin(GL_QUADS);
+  if ( currentGroundTexture == 0 ) {
+    getTexture(1);
+    glBindTexture(GL_TEXTURE_2D, 1);
+  } else {
+    getTexture(currentGroundTexture);
+    glBindTexture(GL_TEXTURE_2D, currentGroundTexture);
+  }
+
+       glBegin(GL_QUADS);  
+
     for ( int x = -floorSize; x < floorSize; x++ ) {
-      for ( int y = -floorSize; y < floorSize; y++ ) {
+      for ( int z = -floorSize; z < floorSize; z++ ) {
         glColor3f( 1.0, 1.0, 1.0 );
-        glVertex3f( (x+1)*squareSize, 0.0, (y+1)*squareSize );
-        glVertex3f(     x*squareSize, 0.0, (y+1)*squareSize );
-        glVertex3f(     x*squareSize, 0.0,    y*squareSize );
-        glVertex3f( (x+1)*squareSize, 0.0,     y*squareSize );
+
+        glNormal3i( 0, 1, 0 );
+        glTexCoord2f( 1.0, 1.0 );
+        glVertex3f  ( (x+1)*squareSize, 0.0, (z+1)*squareSize );
+
+        glNormal3i( 0, 1, 0 );
+        glTexCoord2f( 1.0, 0.0 );
+        glVertex3f  ( (x+1)*squareSize, 0.0,     z*squareSize );
+
+        glNormal3i( 0, 1, 0 );
+        glTexCoord2f( 0.0, 0.0 );
+        glVertex3f  (     x*squareSize, 0.0,     z*squareSize );
+
+        glNormal3i( 0, 1, 0 );
+        glTexCoord2f( 0.0, 1.0 );
+        glVertex3f  (     x*squareSize, 0.0, (z+1)*squareSize );
       }
     }
+
        glEnd();
+
+  if ( currentGroundTexture != 0 ) {
+    glBindTexture(GL_TEXTURE_2D, 0);
+  }
 }
 
 /**
@@ -265,4 +291,75 @@ void drawAxisLines() {
   glDisable(GL_BLEND);
   glEnable(GL_LIGHTING);
   glEnable(GL_TEXTURE_2D);
+}
+
+int addSceneObject(int id) {
+  // **NOTE: Currently only adds the teapot
+
+  curObject = nObjects;
+
+  sceneObjs[nObjects].mesh = -1; // Teapot is -1 mesh
+  sceneObjs[nObjects].texture.id = -1; // No texture
+  sceneObjs[nObjects].texture.scale = 1;
+  sceneObjs[nObjects].x = 0;
+  sceneObjs[nObjects].y = 0;
+  sceneObjs[nObjects].z = 0;
+
+  sceneObjs[nObjects].scale[0] = 1;
+  sceneObjs[nObjects].scale[1] = 1;
+  sceneObjs[nObjects].scale[2] = 1;
+
+  sceneObjs[nObjects].rotation.x = 0;
+  sceneObjs[nObjects].rotation.y = 0;
+  sceneObjs[nObjects].rotation.z = 0;
+
+  nObjects += 1; // New object in scene
+
+  return nObjects;
+}
+
+void initializeLights() {
+  glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lightGlobalModel);
+  glLightModeli(GL_LIGHT_MODEL_COLOR_CONTROL, GL_SEPARATE_SPECULAR_COLOR);
+  
+  for ( int i = 0; i < LIGHTS; i++ ) {
+
+    memcpy( lightObjs[i].position, defaultPosition, sizeof(GLfloat) * 4 );
+    memcpy( lightObjs[i].ambient, defaultAmbient, sizeof(GLfloat) * 4 );
+    memcpy( lightObjs[i].diffuse, defaultDiffuse, sizeof(GLfloat) * 4 );
+    memcpy( lightObjs[i].specular, defaultSpecular, sizeof(GLfloat) * 4 );
+    memcpy( lightObjs[i].direction, defaultDirection, sizeof(GLfloat) * 3 );
+
+    lightObjs[i].cutoff = defaultCutoff;
+    lightObjs[i].exponent = defaultExponent;
+  }
+
+}
+
+void updateLights() {
+  glDisable(GL_LIGHTING);
+
+  for ( int i = 0; i < LIGHTS; i++ ) {
+    glDisable(GL_LIGHT0 + i);
+
+    glLightfv(GL_LIGHT0 + i, GL_POSITION, lightObjs[i].position);
+    glLightfv(GL_LIGHT0 + i, GL_AMBIENT, lightObjs[i].ambient);
+    glLightfv(GL_LIGHT0 + i, GL_DIFFUSE, lightObjs[i].diffuse);
+    glLightfv(GL_LIGHT0 + i, GL_SPECULAR, lightObjs[i].specular);
+    glLightfv(GL_LIGHT0 + i, GL_SPOT_DIRECTION, lightObjs[i].direction);
+
+    glLightf(GL_LIGHT0 + i, GL_SPOT_CUTOFF, lightObjs[i].cutoff);
+    glLighti(GL_LIGHT0 + i, GL_SPOT_EXPONENT, (int)lightObjs[i].exponent );
+
+    // Draw light ball for light
+    glPushMatrix();
+      glColor3f(1.0, 1.0, 1.0);
+      glTranslatef(lightObjs[i].position[0], lightObjs[i].position[1], lightObjs[i].position[2]);
+      glutSolidSphere(lightBallSize, 20, 20);
+    glPopMatrix();
+
+    glEnable(GL_LIGHT0 + i);
+  }
+
+  glEnable(GL_LIGHTING);
 }
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