void DrawMinimap(){
float ratio;
// Prevenir a divisão por zero, se a janela for muito pequena
if (height == 0) height = 1;
ratio = 1.0 * width / height;
glViewport(width / 1.5, height / 1.5, width / 2, height / 2);
glClear(GL_DEPTH_BUFFER_BIT);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(45, ratio, 1, 5000);
//HERE BE DRAGONS AND MAGIC NUMBERS
float offsetX;
if (width > 800) {
offsetX = -30.0;
}
else{
offsetX = -90.0;
}
glTranslatef(offsetX, -150.0, 0.0);
gluLookAt(0.0, 1300, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, -1.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
DrawCamera();
DrawPlanetas(true);
}
int GameLoop()
{
Timer Timer;
int Frame = 0;
bool quit = false;
SDL_Event PollEvent;
while(!quit)
{
int frameTicks = Timer.start();
while(SDL_PollEvent(&PollEvent))
{
if(PollEvent.type == SDL_QUIT)
{
quit = true;
break;
}
if(HandleInput(PollEvent, frameTicks) == -1)
{
quit = true;
break;
}
}
if(quit == true)
break;
Actions(frameTicks);
SDL_FillRect(screen, &(screen->clip_rect), backgroundColor);
DrawCamera();
DrawUI();
if(SDL_Flip(screen) == -1)
return 1;
//Cap the frame rate
if( Timer.get_ticks() < 1000 / MAX_FPS )
{
int delay = ( 1000 / MAX_FPS ) - Timer.get_ticks();
SDL_Delay(delay);
}
Frame++;
if(Frame % MAX_FPS == 0)
Frame = 0;
}
return 0;
}
void GLUTRedraw(void)
{
// Initialize OpenGL drawing modes
glEnable(GL_LIGHTING);
glDisable(GL_BLEND);
glBlendFunc(GL_ONE, GL_ZERO);
glDepthMask(true);
// Clear window
R3Rgb background = scene->background;
glClearColor(background[0], background[1], background[2], background[3]);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Load camera
LoadCamera(&camera);
// Load scene lights
LoadLights(scene);
// Draw scene camera
DrawCamera(scene);
// Draw scene lights
DrawLights(scene);
// Draw particles
DrawParticles(scene);
// Draw particle sources
DrawParticleSources(scene);
// Draw particle sinks
DrawParticleSinks(scene);
// Draw particle springs
DrawParticleSprings(scene);
// Draw scene surfaces
if (show_faces) {
glEnable(GL_LIGHTING);
DrawScene(scene);
}
// Draw scene edges
if (show_edges) {
glDisable(GL_LIGHTING);
glColor3d(1 - background[0], 1 - background[1], 1 - background[2]);
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
DrawScene(scene);
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
}
// Save image
if (save_image) {
char image_name[256];
static int image_number = 1;
for (;;) {
sprintf(image_name, "image%d.jpg", image_number++);
FILE *fp = fopen(image_name, "r");
if (!fp) break;
else fclose(fp);
}
GLUTSaveImage(image_name);
printf("Saved %s\n", image_name);
save_image = 0;
}
// Save video
if (save_video) {
char frame_name[512];
static int next_frame = 0;
static int num_frames_recorded = 0;
for (;;) {
sprintf(frame_name, "%sframe%04d.jpg", video_prefix, next_frame++);
FILE *fp = fopen(frame_name, "r");
if (!fp) break;
else fclose(fp);
}
GLUTSaveImage(frame_name);
if (next_frame % 100 == 1) {
printf("Saved %s\n", frame_name);
}
if (num_frames_to_record == ++num_frames_recorded) {
save_video = 0;
printf("Recorded %d frames, stopping as instructed.\n", num_frames_recorded);
quit = 1;
}
}
// Quit here so that can save image before exit
if (quit) {
if (output_image_name) GLUTSaveImage(output_image_name);
GLUTStop();
}
// Swap buffers
glutSwapBuffers();
}
void GLUTRedraw(void)
{
// Check scene
if (!scene) return;
// Set viewing transformation
viewer->Camera().Load();
// Clear window
RNRgb background = scene->Background();
glClearColor(background.R(), background.G(), background.B(), 1.0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Load lights
LoadLights(scene);
// Draw camera
if (show_camera) {
glDisable(GL_LIGHTING);
glColor3d(1.0, 1.0, 1.0);
glLineWidth(5);
DrawCamera(scene);
glLineWidth(1);
}
// Draw lights
if (show_lights) {
glDisable(GL_LIGHTING);
glColor3d(1.0, 1.0, 1.0);
glLineWidth(5);
DrawLights(scene);
glLineWidth(1);
}
// Draw rays
if (show_rays) {
glDisable(GL_LIGHTING);
glColor3d(0.0, 1.0, 0.0);
glLineWidth(3);
DrawRays(scene);
glLineWidth(1);
}
// Draw rays
if (show_photons) {
glDisable(GL_LIGHTING);
glColor3d(1.0, 1.0, 1.0);
glLineWidth(1);
DrawPhotonPaths(scene);
glLineWidth(1);
}
// Draw rays
if (show_global_samples) {
glDisable(GL_LIGHTING);
glColor3d(1.0, 1.0, 1.0);
glLineWidth(1);
DrawGlobalSamples(scene);
glLineWidth(1);
}
// Draw rays
if (show_caustic_samples) {
glDisable(GL_LIGHTING);
glColor3d(1.0, 1.0, 1.0);
glLineWidth(1);
DrawCausticSamples(scene);
glLineWidth(1);
}
// Draw scene nodes
if (show_shapes) {
glEnable(GL_LIGHTING);
R3null_material.Draw();
DrawShapes(scene, scene->Root());
R3null_material.Draw();
}
// Draw bboxes
if (show_bboxes) {
glDisable(GL_LIGHTING);
glColor3d(1.0, 0.0, 0.0);
DrawBBoxes(scene, scene->Root());
}
// Draw frame time
if (show_frame_rate) {
char buffer[128];
static RNTime last_time;
double frame_time = last_time.Elapsed();
last_time.Read();
if ((frame_time > 0) && (frame_time < 10)) {
glDisable(GL_LIGHTING);
glColor3d(1.0, 1.0, 1.0);
sprintf(buffer, "%.1f fps", 1.0 / frame_time);
DrawText(R2Point(100, 100), buffer);
}
}
// Capture screenshot image
if (screenshot_image_name) {
if (print_verbose) printf("Creating image %s\n", screenshot_image_name);
R2Image image(GLUTwindow_width, GLUTwindow_height, 3);
image.Capture();
image.Write(screenshot_image_name);
screenshot_image_name = NULL;
}
// Swap buffers
glutSwapBuffers();
}
