static void MoveCamera(OrbitingCamera &cam, fwk::GfxDevice &device, float speed) {
auto input = device.inputState();
if(input.isKeyPressed(InputKey::lshift)) speed *= 5.f;
if(input.isMouseButtonPressed(InputButton::left) || input.isMouseButtonPressed(InputButton::right)) {
float flip = input.isMouseButtonPressed(InputButton::right)? -1 : 1;
device.grabMouse(true);
float dx = input.mouseMove().x * flip;
float dy = input.mouseMove().y * flip;
if(dx) cam.Rotate(-dx * 0.01);
if(dy) cam.RotateY(dy * 0.01);
}
else {
device.grabMouse(false);
}
if(input.isKeyPressed(InputKey::left)) cam.Rotate(0.01);
if(input.isKeyPressed(InputKey::right)) cam.Rotate(-0.01);
float zoom = 0;
zoom = input.mouseWheelMove() * 4;
if(input.isKeyPressed('R')) zoom = 1;
if(input.isKeyPressed('F')) zoom = -1;
if(zoom)
cam.Zoom(zoom * speed);
Vec3f move(0, 0, 0);
Camera tcam = (Camera)cam;
if(input.isKeyPressed('w')) move += tcam.front;
if(input.isKeyPressed('s')) move -= tcam.front;
if(input.isKeyPressed('a')) move -= tcam.right;
if(input.isKeyPressed('d')) move += tcam.right;
cam.target += move * speed;
cam.pos += move * speed;
}
static void MoveCamera(OrbitingCamera &cam, GLWindow &window, float speed) {
if(window.Key(Key_lshift)) speed *= 5.f;
if(window.MouseKey(0) || window.MouseKey(1)) {
float flip = window.MouseKey(1)? -1 : 1;
window.GrabMouse(1);
float dx = window.MouseMove().x * flip;
float dy = window.MouseMove().y * flip;
if(dx) cam.Rotate(-dx * 0.005);
if(dy) cam.RotateY(dy * 0.005);
}
else window.GrabMouse(0);
if(window.Key(Key_left)) cam.Rotate(0.01);
if(window.Key(Key_right)) cam.Rotate(-0.01);
float zoom = 0;
zoom = window.MouseMove().z;
if(window.Key('R')) zoom = 1;
if(window.Key('F')) zoom = -1;
if(zoom)
cam.Zoom(zoom * speed);
Vec3f move(0, 0, 0);
Camera tcam = (Camera)cam;
if(window.Key('W')) move += tcam.front;
if(window.Key('S')) move -= tcam.front;
if(window.Key('A')) move -= tcam.right;
if(window.Key('D')) move += tcam.right;
cam.target += move * speed;
cam.pos += move * speed;
}
static int tmain(int argc, char **argv) {
if(argc>=2 && string("--help") == argv[1]) {
PrintHelp();
return 0;
}
CameraConfigs camConfigs;
try { Loader("scenes/cameras.dat") & camConfigs; } catch(...) { }
int resx = 1024, resy = 1024;
bool fullscreen = 0;
int threads = 2;
string sceneName = "/mnt/data/volumes/zatoki/dicom/";
bool flipNormals = 1, swapYZ = 0;
string texPath = "";
int rebuild = 0, buildFlags = 8;
int nInstances = 1;
int nPlanes = 256;
for(int n = 1; n < argc; n++) {
if(string("-res") == argv[n] && n < argc-2) { resx = atoi(argv[n+1]); resy = atoi(argv[n+2]); n += 2; }
else if(string("-rebuild") == argv[n]) rebuild = 1;
else if(string("-threads") == argv[n] && n < argc - 1) { threads = atoi(argv[n + 1]); n += 1; }
else if(string("-fullscreen") == argv[n]) fullscreen = 1;
else if(string("-flipNormals") == argv[n]) flipNormals = 0;
else if(string("-swapYZ") == argv[n]) swapYZ = 1;
else if(string("-noDump") == argv[n]) buildFlags &= ~8;
else if(string("-instances") == argv[n]) { nInstances = atoi(argv[n + 1]); n += 1; }
else {
if(argv[n][0] == '-') {
printf("Unknown option: %s\n",argv[n]);
exit(0);
}
else sceneName = argv[n];
}
}
if(texPath == "") {
texPath = "scenes/" + sceneName;
int pos = texPath.rfind('/');
if(pos == string::npos) texPath = "";
else texPath.resize(pos + 1);
}
float sceneScale = 1.0f;
Vec3f sceneCenter(0, 0, 0);
GLWindow window(resx, resy, fullscreen);
window.SetTitle("Volume viewer v 0.002");
Font font;
bool lightsEnabled = 1;
bool staticEnabled = 0, orbiting = true;
float speed = 10.0f;
{
VolumeData volume;
volume.LoadDicom(sceneName.c_str());
sceneCenter = Vec3f(volume.width, volume.height, volume.depth) * 0.5f;
sceneScale = Length(sceneCenter) * 2.0f;
printf("\nUploading data (%d, %d, %d) to GPU: ", volume.width, volume.height, volume.depth);
fflush(stdout);
double uploadTime = GetTime();
uploadTime = GetTime() - uploadTime;
Load3dTexture(volume);
printf("%.2f msec\n", uploadTime * 1000.0);
}
FPSCamera cam;
if(!camConfigs.GetConfig(string(sceneName),cam))
cam.SetPos(sceneCenter);
OrbitingCamera ocam;
ocam.Reset(sceneCenter, sceneScale);
FrameCounter frmCounter;
float lastFrameTime = 0.0f;
double lastTime = GetTime();
while(window.PollEvents()) {
frmCounter.NextFrame();
if(window.KeyUp(Key_esc)) break;
if(window.KeyDown('C')) {
if(orbiting) ocam.Reset(sceneCenter, sceneScale);
else cam.SetPos(sceneCenter);
cam.ang = 0;
cam.pitch = 0;
}
if(window.KeyDown('P')) {
camConfigs.AddConfig(string(sceneName),cam);
Saver("cameras.dat") & camConfigs;
cam.Print();
}
if(window.KeyDown('O')) {
if(orbiting) cam.SetPos(ocam.pos);
else ocam.Reset(cam.pos, -sceneScale);
orbiting ^= 1;
printf("Orbiting: %s\n", orbiting? "true" : "false");
}
if(window.KeyDown('P')) {
camConfigs.AddConfig(string(sceneName),cam);
Saver("scenes/cameras.dat") & camConfigs;
cam.Print();
}
float tspeed = speed * lastFrameTime * 20.0f;
lastFrameTime = GetTime() - lastTime;
lastTime = GetTime();
if(orbiting)
MoveCamera(ocam, window, tspeed);
else
MoveCamera(cam, window, tspeed);
for(int n = 1; n <= 8; n++) if(window.KeyDown('0' + n))
{ threads = n; printf("Threads: %d\n", threads); }
if(window.KeyDown(Key_f1)) nPlanes *= 2;
if(window.KeyDown(Key_f2)) nPlanes /= 2;
if(window.KeyDown(Key_f2)) { gVals[1]^=1; printf("Val 1 %s\n", gVals[1]?"on" : "off"); }
if(window.KeyDown(Key_f3)) { gVals[2]^=1; printf("Val 2 %s\n", gVals[2]?"on" : "off"); }
if(window.KeyDown(Key_f4)) { gVals[3]^=1; printf("Photons visible %s\n", gVals[3]?"on" : "off"); }
if(window.KeyDown(Key_f5)) { gVals[4]^=1; printf("Photon tracing %s\n", gVals[4]?"on" : "off"); }
if(window.KeyDown(Key_f6)) { gVals[5]^=1; printf("Scene complexity visualization %s\n",gVals[5]?"on":"off"); }
if(window.KeyDown(Key_f7)) { gVals[6]^=1; printf("Advanced shading %s\n",gVals[6]?"on":"off"); }
if(window.KeyDown(Key_f8)) { gVals[7]^=1; printf("Reflections 7 %s\n",gVals[7]?"on":"off"); }
if(window.KeyDown(Key_f9)) { gVals[8]^=1; printf("Node tasks visualization 8 %s\n",gVals[8]?"on":"off"); }
if(window.KeyDown(Key_f10)) { gVals[9]^=1; printf("Antialiasing 4x %s\n",gVals[9]?"on":"off"); }
if(window.KeyDown(Key_f1)) { gVals[0]^=1; printf("Traversing from 8x8: %s\n", gVals[0]?"on" : "off"); }
nPlanes = Clamp(nPlanes, 16, 2048);
static float animPos = 0;
if(window.Key(Key_space)) animPos+=0.025f;
double time = GetTime();
Camera camera = orbiting?(Camera)ocam : (Camera)cam;
time = GetTime() - time;
RenderVolume(camera, float(resx) / resy, nPlanes);
double fps = double(unsigned(frmCounter.FPS() * 100)) * 0.01;
font.BeginDrawing(resx,resy);
font.SetSize(Vec2f(30, 20));
font.PrintAt(Vec2f(5, 25), "FPS: ", fps, " Planes: ", nPlanes);
font.FinishDrawing();
window.SwapBuffers();
}
return 0;
}