void render()
{
GameState* gamestate;
if( !should_render() )
return;
// Get the gamestate
gamestate = get_gamestate();
// Set the default buffer colour to black
glClearColor( SKY_R, SKY_G, SKY_B, 1.0f );
// Clear the colour and depth buffers
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
// Draw player 1's viewport
render_viewport( player1_viewport, gamestate );
// Draw player 2's viewport
render_viewport( player2_viewport, gamestate );
// Turn off depth buffering for the minimap and HUD
glDisable(GL_DEPTH_TEST);
render_viewport( minimap, gamestate );
render_hud( hud, gamestate );
glEnable(GL_DEPTH_TEST);
// Swap the buffers
glutSwapBuffers();
// Calculate the framerate
calc_fps();
}
void render_frame (Render* render, Game* game)
{
display_start_frame (0,0,0);
if (game != NULL) {
float hit = ship_hit(&game->player);
if(hit < .9) { // avoid drawing the cave from outside
glPushMatrix();
render_world_transform (render, &game->player);
cave_model (render, &game->cave, DISPLAYMODE_NORMAL, 0);
monolith_model (render, game);
glPopMatrix();
}
if(hit) {
glDisable (GL_DEPTH_TEST);
glEnable (GL_BLEND);
glDisable (GL_TEXTURE_2D);
glDisable (GL_LIGHTING);
glColor4f(1,0,0,hit/2.);
glBegin (GL_QUADS);
glVertex3f(-1,-1,-1);
glVertex3f(+1,-1,-1);
glVertex3f(+1,+1,-1);
glVertex3f(-1,+1,-1);
glEnd();
}
ship_model (render, &game->player);
render_minimap (render, game);
render_hud (render, game);
}
display_text_box (&render->display, &render->msg_id,
render->font, render_message_buf,
.5,.5,1,.25, 1,1,1,1);
display_end_frame();
}
