int main(int /*argc*/, char** /*argv*/)
{
// Init SDL
if (SDL_Init(SDL_INIT_EVERYTHING) != 0)
{
printf("Could not initialise SDL\n");
return -1;
}
// Center window
char env[] = "SDL_VIDEO_CENTERED=1";
putenv(env);
// Init OpenGL
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 8);
//#ifndef WIN32
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, 4);
//#endif
const SDL_VideoInfo* vi = SDL_GetVideoInfo();
bool presentationMode = false;
int width, height;
SDL_Surface* screen = 0;
if (presentationMode)
{
width = vi->current_w;
height = vi->current_h;
screen = SDL_SetVideoMode(width, height, 0, SDL_OPENGL|SDL_FULLSCREEN);
}
else
{
width = rcMin(vi->current_w, (int)(vi->current_h * 16.0 / 9.0));
width = width - 80;
height = vi->current_h - 80;
screen = SDL_SetVideoMode(width, height, 0, SDL_OPENGL);
}
if (!screen)
{
printf("Could not initialise SDL opengl\n");
return -1;
}
glEnable(GL_MULTISAMPLE);
SDL_WM_SetCaption("Recast Demo", 0);
if (!imguiRenderGLInit("DroidSans.ttf"))
{
printf("Could not init GUI renderer.\n");
SDL_Quit();
return -1;
}
float t = 0.0f;
float timeAcc = 0.0f;
Uint32 lastTime = SDL_GetTicks();
int mx = 0, my = 0;
float rx = 45;
float ry = -45;
float moveW = 0, moveS = 0, moveA = 0, moveD = 0;
float camx = 0, camy = 0, camz = 0, camr = 1000;
float origrx = 0, origry = 0;
int origx = 0, origy = 0;
float scrollZoom = 0;
bool rotate = false;
bool movedDuringRotate = false;
float rays[3], raye[3];
bool mouseOverMenu = false;
bool showMenu = !presentationMode;
bool showLog = false;
bool showTools = true;
bool showLevels = false;
bool showSample = false;
bool showTestCases = false;
int propScroll = 0;
int logScroll = 0;
int toolsScroll = 0;
char sampleName[64] = "Choose Sample...";
FileList files;
char meshName[128] = "Choose Mesh...";
float mpos[3] = {0,0,0};
bool mposSet = false;
SlideShow slideShow;
slideShow.init("slides/");
InputGeom* geom = 0;
Sample* sample = 0;
TestCase* test = 0;
BuildContext ctx;
glEnable(GL_CULL_FACE);
float fogCol[4] = { 0.32f, 0.31f, 0.30f, 1.0f };
glEnable(GL_FOG);
glFogi(GL_FOG_MODE, GL_LINEAR);
glFogf(GL_FOG_START, camr*0.1f);
glFogf(GL_FOG_END, camr*1.25f);
glFogfv(GL_FOG_COLOR, fogCol);
glDepthFunc(GL_LEQUAL);
bool done = false;
while(!done)
{
// Handle input events.
int mscroll = 0;
bool processHitTest = false;
bool processHitTestShift = false;
SDL_Event event;
while (SDL_PollEvent(&event))
{
switch (event.type)
{
case SDL_KEYDOWN:
// Handle any key presses here.
if (event.key.keysym.sym == SDLK_ESCAPE)
{
done = true;
}
else if (event.key.keysym.sym == SDLK_t)
{
showLevels = false;
showSample = false;
showTestCases = true;
scanDirectory("Tests", ".txt", files);
}
else if (event.key.keysym.sym == SDLK_TAB)
{
showMenu = !showMenu;
}
else if (event.key.keysym.sym == SDLK_SPACE)
{
if (sample)
sample->handleToggle();
}
else if (event.key.keysym.sym == SDLK_1)
{
if (sample)
sample->handleStep();
}
else if (event.key.keysym.sym == SDLK_9)
{
if (geom)
geom->save("geomset.txt");
}
else if (event.key.keysym.sym == SDLK_0)
{
delete geom;
geom = new InputGeom;
if (!geom || !geom->load(&ctx, "geomset.txt"))
{
delete geom;
geom = 0;
showLog = true;
logScroll = 0;
ctx.dumpLog("Geom load log %s:", meshName);
}
if (sample && geom)
{
sample->handleMeshChanged(geom);
}
if (geom || sample)
{
const float* bmin = 0;
const float* bmax = 0;
if (sample)
{
bmin = sample->getBoundsMin();
bmax = sample->getBoundsMax();
}
else if (geom)
{
bmin = geom->getMeshBoundsMin();
bmax = geom->getMeshBoundsMax();
}
// Reset camera and fog to match the mesh bounds.
if (bmin && bmax)
{
camr = sqrtf(rcSqr(bmax[0]-bmin[0]) +
rcSqr(bmax[1]-bmin[1]) +
rcSqr(bmax[2]-bmin[2])) / 2;
camx = (bmax[0] + bmin[0]) / 2 + camr;
camy = (bmax[1] + bmin[1]) / 2 + camr;
camz = (bmax[2] + bmin[2]) / 2 + camr;
camr *= 3;
}
rx = 45;
ry = -45;
glFogf(GL_FOG_START, camr*0.2f);
glFogf(GL_FOG_END, camr*1.25f);
}
}
else if (event.key.keysym.sym == SDLK_RIGHT)
{
slideShow.nextSlide();
}
else if (event.key.keysym.sym == SDLK_LEFT)
{
slideShow.prevSlide();
}
break;
case SDL_MOUSEBUTTONDOWN:
if (event.button.button == SDL_BUTTON_RIGHT)
{
if (!mouseOverMenu)
{
// Rotate view
rotate = true;
movedDuringRotate = false;
origx = mx;
origy = my;
origrx = rx;
origry = ry;
}
}
else if (event.button.button == SDL_BUTTON_WHEELUP)
{
if (mouseOverMenu)
mscroll--;
else
scrollZoom -= 1.0f;
}
else if (event.button.button == SDL_BUTTON_WHEELDOWN)
{
if (mouseOverMenu)
mscroll++;
else
scrollZoom += 1.0f;
}
break;
case SDL_MOUSEBUTTONUP:
// Handle mouse clicks here.
if (event.button.button == SDL_BUTTON_RIGHT)
{
rotate = false;
if (!mouseOverMenu)
{
if (!movedDuringRotate)
{
processHitTest = true;
processHitTestShift = true;
}
}
}
else if (event.button.button == SDL_BUTTON_LEFT)
{
if (!mouseOverMenu)
{
processHitTest = true;
processHitTestShift = (SDL_GetModState() & KMOD_SHIFT) ? true : false;
}
}
break;
case SDL_MOUSEMOTION:
mx = event.motion.x;
my = height-1 - event.motion.y;
if (rotate)
{
int dx = mx - origx;
int dy = my - origy;
rx = origrx - dy*0.25f;
ry = origry + dx*0.25f;
if (dx*dx+dy*dy > 3*3)
movedDuringRotate = true;
}
break;
case SDL_QUIT:
done = true;
break;
default:
break;
}
}
unsigned char mbut = 0;
if (SDL_GetMouseState(0,0) & SDL_BUTTON_LMASK)
mbut |= IMGUI_MBUT_LEFT;
if (SDL_GetMouseState(0,0) & SDL_BUTTON_RMASK)
mbut |= IMGUI_MBUT_RIGHT;
Uint32 time = SDL_GetTicks();
float dt = (time - lastTime) / 1000.0f;
lastTime = time;
t += dt;
// Hit test mesh.
if (processHitTest && geom && sample)
{
float hitt;
bool hit = geom->raycastMesh(rays, raye, hitt);
if (hit)
{
if (SDL_GetModState() & KMOD_CTRL)
{
// Marker
mposSet = true;
mpos[0] = rays[0] + (raye[0] - rays[0])*hitt;
mpos[1] = rays[1] + (raye[1] - rays[1])*hitt;
mpos[2] = rays[2] + (raye[2] - rays[2])*hitt;
}
else
{
float pos[3];
pos[0] = rays[0] + (raye[0] - rays[0])*hitt;
pos[1] = rays[1] + (raye[1] - rays[1])*hitt;
pos[2] = rays[2] + (raye[2] - rays[2])*hitt;
sample->handleClick(rays, pos, processHitTestShift);
}
}
else
{
if (SDL_GetModState() & KMOD_CTRL)
{
// Marker
mposSet = false;
}
}
}
// Update sample simulation.
const float SIM_RATE = 20;
const float DELTA_TIME = 1.0f/SIM_RATE;
timeAcc = rcClamp(timeAcc+dt, -1.0f, 1.0f);
int simIter = 0;
while (timeAcc > DELTA_TIME)
{
timeAcc -= DELTA_TIME;
if (simIter < 5)
{
if (sample)
sample->handleUpdate(DELTA_TIME);
}
simIter++;
}
// Clamp the framerate so that we do not hog all the CPU.
const float MIN_FRAME_TIME = 1.0f/40.0f;
if (dt < MIN_FRAME_TIME)
{
int ms = (int)((MIN_FRAME_TIME - dt)*1000.0f);
if (ms > 10) ms = 10;
if (ms >= 0)
SDL_Delay(ms);
}
// Update and render
glViewport(0, 0, width, height);
glClearColor(0.3f, 0.3f, 0.32f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glDisable(GL_TEXTURE_2D);
// Render 3d
glEnable(GL_DEPTH_TEST);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(50.0f, (float)width/(float)height, 1.0f, camr);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glRotatef(rx,1,0,0);
glRotatef(ry,0,1,0);
glTranslatef(-camx, -camy, -camz);
// Get hit ray position and direction.
GLdouble proj[16];
GLdouble model[16];
GLint view[4];
glGetDoublev(GL_PROJECTION_MATRIX, proj);
glGetDoublev(GL_MODELVIEW_MATRIX, model);
glGetIntegerv(GL_VIEWPORT, view);
GLdouble x, y, z;
gluUnProject(mx, my, 0.0f, model, proj, view, &x, &y, &z);
rays[0] = (float)x; rays[1] = (float)y; rays[2] = (float)z;
gluUnProject(mx, my, 1.0f, model, proj, view, &x, &y, &z);
raye[0] = (float)x; raye[1] = (float)y; raye[2] = (float)z;
// Handle keyboard movement.
Uint8* keystate = SDL_GetKeyState(NULL);
moveW = rcClamp(moveW + dt * 4 * (keystate[SDLK_w] ? 1 : -1), 0.0f, 1.0f);
moveS = rcClamp(moveS + dt * 4 * (keystate[SDLK_s] ? 1 : -1), 0.0f, 1.0f);
moveA = rcClamp(moveA + dt * 4 * (keystate[SDLK_a] ? 1 : -1), 0.0f, 1.0f);
moveD = rcClamp(moveD + dt * 4 * (keystate[SDLK_d] ? 1 : -1), 0.0f, 1.0f);
float keybSpeed = 22.0f;
if (SDL_GetModState() & KMOD_SHIFT)
keybSpeed *= 4.0f;
float movex = (moveD - moveA) * keybSpeed * dt;
float movey = (moveS - moveW) * keybSpeed * dt;
movey += scrollZoom * 2.0f;
scrollZoom = 0;
camx += movex * (float)model[0];
camy += movex * (float)model[4];
camz += movex * (float)model[8];
camx += movey * (float)model[2];
camy += movey * (float)model[6];
camz += movey * (float)model[10];
glEnable(GL_FOG);
if (sample)
sample->handleRender();
if (test)
test->handleRender();
glDisable(GL_FOG);
// Render GUI
glDisable(GL_DEPTH_TEST);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluOrtho2D(0, width, 0, height);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
mouseOverMenu = false;
imguiBeginFrame(mx,my,mbut,mscroll);
if (sample)
{
sample->handleRenderOverlay((double*)proj, (double*)model, (int*)view);
}
if (test)
{
if (test->handleRenderOverlay((double*)proj, (double*)model, (int*)view))
mouseOverMenu = true;
}
// Help text.
if (showMenu)
{
const char msg[] = "W/S/A/D: Move RMB: Rotate";
imguiDrawText(280, height-20, IMGUI_ALIGN_LEFT, msg, imguiRGBA(255,255,255,128));
}
if (showMenu)
{
if (imguiBeginScrollArea("Properties", width-250-10, 10, 250, height-20, &propScroll))
mouseOverMenu = true;
if (imguiCheck("Show Log", showLog))
showLog = !showLog;
if (imguiCheck("Show Tools", showTools))
showTools = !showTools;
imguiSeparator();
imguiLabel("Sample");
if (imguiButton(sampleName))
{
if (showSample)
{
showSample = false;
}
else
{
showSample = true;
showLevels = false;
showTestCases = false;
}
}
imguiSeparator();
imguiLabel("Input Mesh");
if (imguiButton(meshName))
{
if (showLevels)
{
showLevels = false;
}
else
{
showSample = false;
showTestCases = false;
showLevels = true;
scanDirectory("Meshes", ".obj", files);
}
}
if (geom)
{
char text[64];
snprintf(text, 64, "Verts: %.1fk Tris: %.1fk",
geom->getMesh()->getVertCount()/1000.0f,
geom->getMesh()->getTriCount()/1000.0f);
imguiValue(text);
}
imguiSeparator();
if (geom && sample)
{
imguiSeparatorLine();
sample->handleSettings();
if (imguiButton("Build"))
{
ctx.resetLog();
if (!sample->handleBuild())
{
showLog = true;
logScroll = 0;
}
ctx.dumpLog("Build log %s:", meshName);
// Clear test.
delete test;
test = 0;
}
imguiSeparator();
}
if (sample)
{
imguiSeparatorLine();
sample->handleDebugMode();
}
imguiEndScrollArea();
}
// Sample selection dialog.
if (showSample)
{
static int levelScroll = 0;
if (imguiBeginScrollArea("Choose Sample", width-10-250-10-200, height-10-250, 200, 250, &levelScroll))
mouseOverMenu = true;
Sample* newSample = 0;
for (int i = 0; i < g_nsamples; ++i)
{
if (imguiItem(g_samples[i].name))
{
newSample = g_samples[i].create();
if (newSample)
strcpy(sampleName, g_samples[i].name);
}
}
if (newSample)
{
delete sample;
sample = newSample;
sample->setContext(&ctx);
if (geom && sample)
{
sample->handleMeshChanged(geom);
}
showSample = false;
}
if (geom || sample)
{
const float* bmin = 0;
const float* bmax = 0;
if (sample)
{
bmin = sample->getBoundsMin();
bmax = sample->getBoundsMax();
}
else if (geom)
{
bmin = geom->getMeshBoundsMin();
bmax = geom->getMeshBoundsMax();
}
// Reset camera and fog to match the mesh bounds.
if (bmin && bmax)
{
camr = sqrtf(rcSqr(bmax[0]-bmin[0]) +
rcSqr(bmax[1]-bmin[1]) +
rcSqr(bmax[2]-bmin[2])) / 2;
camx = (bmax[0] + bmin[0]) / 2 + camr;
camy = (bmax[1] + bmin[1]) / 2 + camr;
camz = (bmax[2] + bmin[2]) / 2 + camr;
camr *= 3;
}
rx = 45;
ry = -45;
glFogf(GL_FOG_START, camr*0.1f);
glFogf(GL_FOG_END, camr*1.25f);
}
imguiEndScrollArea();
}
// Level selection dialog.
if (showLevels)
{
static int levelScroll = 0;
if (imguiBeginScrollArea("Choose Level", width-10-250-10-200, height-10-450, 200, 450, &levelScroll))
mouseOverMenu = true;
int levelToLoad = -1;
for (int i = 0; i < files.size; ++i)
{
if (imguiItem(files.files[i]))
levelToLoad = i;
}
if (levelToLoad != -1)
{
strncpy(meshName, files.files[levelToLoad], sizeof(meshName));
meshName[sizeof(meshName)-1] = '\0';
showLevels = false;
delete geom;
geom = 0;
char path[256];
strcpy(path, "Meshes/");
strcat(path, meshName);
geom = new InputGeom;
if (!geom || !geom->loadMesh(&ctx, path))
{
delete geom;
geom = 0;
showLog = true;
logScroll = 0;
ctx.dumpLog("Geom load log %s:", meshName);
}
if (sample && geom)
{
sample->handleMeshChanged(geom);
}
if (geom || sample)
{
const float* bmin = 0;
const float* bmax = 0;
if (sample)
{
bmin = sample->getBoundsMin();
bmax = sample->getBoundsMax();
}
else if (geom)
{
bmin = geom->getMeshBoundsMin();
bmax = geom->getMeshBoundsMax();
}
// Reset camera and fog to match the mesh bounds.
if (bmin && bmax)
{
camr = sqrtf(rcSqr(bmax[0]-bmin[0]) +
rcSqr(bmax[1]-bmin[1]) +
rcSqr(bmax[2]-bmin[2])) / 2;
camx = (bmax[0] + bmin[0]) / 2 + camr;
camy = (bmax[1] + bmin[1]) / 2 + camr;
camz = (bmax[2] + bmin[2]) / 2 + camr;
camr *= 3;
}
rx = 45;
ry = -45;
glFogf(GL_FOG_START, camr*0.1f);
glFogf(GL_FOG_END, camr*1.25f);
}
}
imguiEndScrollArea();
}
// Test cases
if (showTestCases)
{
static int testScroll = 0;
if (imguiBeginScrollArea("Choose Test To Run", width-10-250-10-200, height-10-450, 200, 450, &testScroll))
mouseOverMenu = true;
int testToLoad = -1;
for (int i = 0; i < files.size; ++i)
{
if (imguiItem(files.files[i]))
testToLoad = i;
}
if (testToLoad != -1)
{
char path[256];
strcpy(path, "Tests/");
strcat(path, files.files[testToLoad]);
test = new TestCase;
if (test)
{
// Load the test.
if (!test->load(path))
{
delete test;
test = 0;
}
// Create sample
Sample* newSample = 0;
for (int i = 0; i < g_nsamples; ++i)
{
if (strcmp(g_samples[i].name, test->getSampleName()) == 0)
{
newSample = g_samples[i].create();
if (newSample) strcpy(sampleName, g_samples[i].name);
}
}
if (newSample)
{
delete sample;
sample = newSample;
sample->setContext(&ctx);
showSample = false;
}
// Load geom.
strcpy(meshName, test->getGeomFileName());
meshName[sizeof(meshName)-1] = '\0';
delete geom;
geom = 0;
strcpy(path, "Meshes/");
strcat(path, meshName);
geom = new InputGeom;
if (!geom || !geom->loadMesh(&ctx, path))
{
delete geom;
geom = 0;
showLog = true;
logScroll = 0;
ctx.dumpLog("Geom load log %s:", meshName);
}
if (sample && geom)
{
sample->handleMeshChanged(geom);
}
// This will ensure that tile & poly bits are updated in tiled sample.
if (sample)
sample->handleSettings();
ctx.resetLog();
if (sample && !sample->handleBuild())
{
ctx.dumpLog("Build log %s:", meshName);
}
if (geom || sample)
{
const float* bmin = 0;
const float* bmax = 0;
if (sample)
{
bmin = sample->getBoundsMin();
bmax = sample->getBoundsMax();
}
else if (geom)
{
bmin = geom->getMeshBoundsMin();
bmax = geom->getMeshBoundsMax();
}
// Reset camera and fog to match the mesh bounds.
if (bmin && bmax)
{
camr = sqrtf(rcSqr(bmax[0]-bmin[0]) +
rcSqr(bmax[1]-bmin[1]) +
rcSqr(bmax[2]-bmin[2])) / 2;
camx = (bmax[0] + bmin[0]) / 2 + camr;
camy = (bmax[1] + bmin[1]) / 2 + camr;
camz = (bmax[2] + bmin[2]) / 2 + camr;
camr *= 3;
}
rx = 45;
ry = -45;
glFogf(GL_FOG_START, camr*0.2f);
glFogf(GL_FOG_END, camr*1.25f);
}
// Do the tests.
if (sample)
test->doTests(sample->getNavMesh(), sample->getNavMeshQuery());
}
}
imguiEndScrollArea();
}
// Log
if (showLog && showMenu)
{
if (imguiBeginScrollArea("Log", 250+20, 10, width - 300 - 250, 200, &logScroll))
mouseOverMenu = true;
for (int i = 0; i < ctx.getLogCount(); ++i)
imguiLabel(ctx.getLogText(i));
imguiEndScrollArea();
}
// Tools
if (!showTestCases && showTools && showMenu) // && geom && sample)
{
if (imguiBeginScrollArea("Tools", 10, 10, 250, height-20, &toolsScroll))
mouseOverMenu = true;
if (sample)
sample->handleTools();
imguiEndScrollArea();
}
slideShow.updateAndDraw(dt, (float)width, (float)height);
// Marker
if (mposSet && gluProject((GLdouble)mpos[0], (GLdouble)mpos[1], (GLdouble)mpos[2],
model, proj, view, &x, &y, &z))
{
// Draw marker circle
glLineWidth(5.0f);
glColor4ub(240,220,0,196);
glBegin(GL_LINE_LOOP);
const float r = 25.0f;
for (int i = 0; i < 20; ++i)
{
const float a = (float)i / 20.0f * RC_PI*2;
const float fx = (float)x + cosf(a)*r;
const float fy = (float)y + sinf(a)*r;
glVertex2f(fx,fy);
}
glEnd();
glLineWidth(1.0f);
}
imguiEndFrame();
imguiRenderGLDraw();
glEnable(GL_DEPTH_TEST);
SDL_GL_SwapBuffers();
}
imguiRenderGLDestroy();
SDL_Quit();
delete sample;
delete geom;
return 0;
}
int main( int argc, char **argv )
{
int width = 1024, height=768;
// Initialise GLFW
if( !glfwInit() )
{
fprintf( stderr, "Failed to initialize GLFW\n" );
exit( EXIT_FAILURE );
}
#ifdef __APPLE__
glfwOpenWindowHint(GLFW_OPENGL_VERSION_MAJOR, 3);
glfwOpenWindowHint(GLFW_OPENGL_VERSION_MINOR, 2);
glfwOpenWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
glfwOpenWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
#endif
// Open a window and create its OpenGL context
if( !glfwOpenWindow( width, height, 0,0,0,0, 24,0, GLFW_WINDOW ) )
{
fprintf( stderr, "Failed to open GLFW window\n" );
glfwTerminate();
exit( EXIT_FAILURE );
}
glfwSetWindowTitle( "imgui sample imguiRenderGL3" );
#ifdef __APPLE__
glewExperimental = GL_TRUE;
#endif
GLenum err = glewInit();
if (GLEW_OK != err)
{
/* Problem: glewInit failed, something is seriously wrong. */
fprintf(stderr, "Error: %s\n", glewGetErrorString(err));
exit( EXIT_FAILURE );
}
// Ensure we can capture the escape key being pressed below
glfwEnable( GLFW_STICKY_KEYS );
// Enable vertical sync (on cards that support it)
glfwSwapInterval( 1 );
// Init UI
if (!imguiRenderGLInit("DroidSans.ttf"))
{
fprintf(stderr, "Could not init GUI renderer.\n");
exit(EXIT_FAILURE);
}
glClearColor(0.8f, 0.8f, 0.8f, 1.f);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glDisable(GL_DEPTH_TEST);
// imgui states
bool checked1 = false;
bool checked2 = false;
bool checked3 = true;
bool checked4 = false;
float value1 = 50.f;
float value2 = 30.f;
int scrollarea1 = 0;
int scrollarea2 = 0;
// glfw scrolling
int glfwscroll = 0;
do
{
glfwGetWindowSize(&width, &height);
glViewport(0, 0, width, height);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Draw UI
// Mouse states
unsigned char mousebutton = 0;
int currentglfwscroll = glfwGetMouseWheel();
int mscroll = 0;
if (currentglfwscroll < glfwscroll)
mscroll = 2;
if (currentglfwscroll > glfwscroll)
mscroll = -2;
glfwscroll = currentglfwscroll;
int mousex; int mousey;
glfwGetMousePos(&mousex, &mousey);
mousey = height - mousey;
int leftButton = glfwGetMouseButton( GLFW_MOUSE_BUTTON_LEFT );
int rightButton = glfwGetMouseButton( GLFW_MOUSE_BUTTON_RIGHT );
int middleButton = glfwGetMouseButton( GLFW_MOUSE_BUTTON_MIDDLE );
int toggle = 0;
if( leftButton == GLFW_PRESS )
mousebutton |= IMGUI_MBUT_LEFT;
imguiBeginFrame(mousex, mousey, mousebutton, mscroll);
imguiBeginScrollArea("Scroll area", 10, 10, width / 5, height - 20, &scrollarea1);
imguiSeparatorLine();
imguiSeparator();
imguiButton("Button");
imguiButton("Disabled button", false);
imguiItem("Item");
imguiItem("Disabled item", false);
toggle = imguiCheck("Checkbox", checked1);
if (toggle)
checked1 = !checked1;
toggle = imguiCheck("Disabled checkbox", checked2, false);
if (toggle)
checked2 = !checked2;
toggle = imguiCollapse("Collapse", "subtext", checked3);
if (checked3)
{
imguiIndent();
imguiLabel("Collapsible element");
imguiUnindent();
}
if (toggle)
checked3 = !checked3;
toggle = imguiCollapse("Disabled collapse", "subtext", checked4, false);
if (toggle)
checked4 = !checked4;
imguiLabel("Label");
imguiValue("Value");
imguiSlider("Slider", &value1, 0.f, 100.f, 1.f);
imguiSlider("Disabled slider", &value2, 0.f, 100.f, 1.f, false);
imguiIndent();
imguiLabel("Indented");
imguiUnindent();
imguiLabel("Unindented");
imguiEndScrollArea();
imguiBeginScrollArea("Scroll area", 20 + width / 5, 500, width / 5, height - 510, &scrollarea2);
imguiSeparatorLine();
imguiSeparator();
for (int i = 0; i < 100; ++i)
imguiLabel("A wall of text");
imguiEndScrollArea();
imguiEndFrame();
imguiDrawText(30 + width / 5 * 2, height - 20, IMGUI_ALIGN_LEFT, "Free text", imguiRGBA(32,192, 32,192));
imguiDrawText(30 + width / 5 * 2 + 100, height - 40, IMGUI_ALIGN_RIGHT, "Free text", imguiRGBA(32, 32, 192, 192));
imguiDrawText(30 + width / 5 * 2 + 50, height - 60, IMGUI_ALIGN_CENTER, "Free text", imguiRGBA(192, 32, 32,192));
imguiDrawLine(30 + width / 5 * 2, height - 80, 30 + width / 5 * 2 + 100, height - 60, 1.f, imguiRGBA(32,192, 32,192));
imguiDrawLine(30 + width / 5 * 2, height - 100, 30 + width / 5 * 2 + 100, height - 80, 2.f, imguiRGBA(32, 32, 192, 192));
imguiDrawLine(30 + width / 5 * 2, height - 120, 30 + width / 5 * 2 + 100, height - 100, 3.f, imguiRGBA(192, 32, 32,192));
imguiDrawRoundedRect(30 + width / 5 * 2, height - 240, 100, 100, 5.f, imguiRGBA(32,192, 32,192));
imguiDrawRoundedRect(30 + width / 5 * 2, height - 350, 100, 100, 10.f, imguiRGBA(32, 32, 192, 192));
imguiDrawRoundedRect(30 + width / 5 * 2, height - 470, 100, 100, 20.f, imguiRGBA(192, 32, 32,192));
imguiDrawRect(30 + width / 5 * 2, height - 590, 100, 100, imguiRGBA(32, 192, 32, 192));
imguiDrawRect(30 + width / 5 * 2, height - 710, 100, 100, imguiRGBA(32, 32, 192, 192));
imguiDrawRect(30 + width / 5 * 2, height - 830, 100, 100, imguiRGBA(192, 32, 32,192));
imguiRenderGLDraw(width, height);
// Check for errors
GLenum err = glGetError();
if(err != GL_NO_ERROR)
{
fprintf(stderr, "OpenGL Error : %s\n", gluErrorString(err));
}
// Swap buffers
glfwSwapBuffers();
} // Check if the ESC key was pressed or the window was closed
while( glfwGetKey( GLFW_KEY_ESC ) != GLFW_PRESS &&
glfwGetWindowParam( GLFW_OPENED ) );
// Clean UI
imguiRenderGLDestroy();
// Close OpenGL window and terminate GLFW
glfwTerminate();
exit( EXIT_SUCCESS );
}
void imguiValue(const char* text)
{
const int x = g_state.widgetX;
const int y = g_state.widgetY - BUTTON_HEIGHT;
const int w = g_state.widgetW;
g_state.widgetY -= BUTTON_HEIGHT;
addGfxCmdText(x+w-BUTTON_HEIGHT/2, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_RIGHT, text, imguiRGBA(255,255,255,200));
}
bool imguiSlider(const char* text, float* val, float vmin, float vmax, float vinc, bool enabled)
{
g_state.widgetId++;
unsigned int id = (g_state.areaId<<16) | g_state.widgetId;
int x = g_state.widgetX;
int y = g_state.widgetY - BUTTON_HEIGHT;
int w = g_state.widgetW;
int h = SLIDER_HEIGHT;
g_state.widgetY -= SLIDER_HEIGHT + DEFAULT_SPACING;
addGfxCmdRoundedRect((float)x, (float)y, (float)w, (float)h, 4.0f, imguiRGBA(0,0,0,128));
const int range = w - SLIDER_MARKER_WIDTH;
float u = (*val - vmin) / (vmax-vmin);
if (u < 0) u = 0;
if (u > 1) u = 1;
int m = (int)(u * range);
bool over = enabled && inRect(x+m, y, SLIDER_MARKER_WIDTH, SLIDER_HEIGHT);
bool res = buttonLogic(id, over);
bool valChanged = false;
if (isActive(id))
{
if (g_state.wentActive)
{
g_state.dragX = g_state.mx;
g_state.dragOrig = u;
}
if (g_state.dragX != g_state.mx)
{
u = g_state.dragOrig + (float)(g_state.mx - g_state.dragX) / (float)range;
if (u < 0) u = 0;
if (u > 1) u = 1;
*val = vmin + u*(vmax-vmin);
*val = floorf(*val / vinc)*vinc; // Snap to vinc
m = (int)(u * range);
valChanged = true;
}
}
if (isActive(id))
addGfxCmdRoundedRect((float)(x+m), (float)y, (float)SLIDER_MARKER_WIDTH, (float)SLIDER_HEIGHT, 4.0f, imguiRGBA(255,255,255,255));
else
addGfxCmdRoundedRect((float)(x+m), (float)y, (float)SLIDER_MARKER_WIDTH, (float)SLIDER_HEIGHT, 4.0f, isHot(id) ? imguiRGBA(255,196,0,128) : imguiRGBA(255,255,255,64));
// TODO: fix this, take a look at 'nicenum'.
int digits = (int)(ceilf(log10f(vinc)));
char fmt[16];
snprintf(fmt, 16, "%%.%df", digits >= 0 ? 0 : -digits);
char msg[128];
snprintf(msg, 128, fmt, *val);
if (enabled)
{
addGfxCmdText(x+SLIDER_HEIGHT/2, y+SLIDER_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_LEFT, text, isHot(id) ? imguiRGBA(255,196,0,255) : imguiRGBA(255,255,255,200));
addGfxCmdText(x+w-SLIDER_HEIGHT/2, y+SLIDER_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_RIGHT, msg, isHot(id) ? imguiRGBA(255,196,0,255) : imguiRGBA(255,255,255,200));
}
else
{
addGfxCmdText(x+SLIDER_HEIGHT/2, y+SLIDER_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_LEFT, text, imguiRGBA(128,128,128,200));
addGfxCmdText(x+w-SLIDER_HEIGHT/2, y+SLIDER_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_RIGHT, msg, imguiRGBA(128,128,128,200));
}
return res || valChanged;
}
bool imguiButton(const char* text, bool enabled)
{
g_state.widgetId++;
unsigned int id = (g_state.areaId<<16) | g_state.widgetId;
int x = g_state.widgetX;
int y = g_state.widgetY - BUTTON_HEIGHT;
int w = g_state.widgetW;
int h = BUTTON_HEIGHT;
g_state.widgetY -= BUTTON_HEIGHT + DEFAULT_SPACING;
bool over = enabled && inRect(x, y, w, h);
bool res = buttonLogic(id, over);
addGfxCmdRoundedRect((float)x, (float)y, (float)w, (float)h, (float)BUTTON_HEIGHT/2-1, imguiRGBA(128,128,128, isActive(id)?196:96));
if (enabled)
addGfxCmdText(x+BUTTON_HEIGHT/2, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_LEFT, text, isHot(id) ? imguiRGBA(255,196,0,255) : imguiRGBA(255,255,255,200));
else
addGfxCmdText(x+BUTTON_HEIGHT/2, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_LEFT, text, imguiRGBA(128,128,128,200));
return res;
}
bool imguiCheck(const char* text, bool checked, bool enabled)
{
g_state.widgetId++;
unsigned int id = (g_state.areaId<<16) | g_state.widgetId;
int x = g_state.widgetX;
int y = g_state.widgetY - BUTTON_HEIGHT;
int w = g_state.widgetW;
int h = BUTTON_HEIGHT;
g_state.widgetY -= BUTTON_HEIGHT + DEFAULT_SPACING;
bool over = enabled && inRect(x, y, w, h);
bool res = buttonLogic(id, over);
const int cx = x+BUTTON_HEIGHT/2-CHECK_SIZE/2;
const int cy = y+BUTTON_HEIGHT/2-CHECK_SIZE/2;
addGfxCmdRoundedRect((float)cx-3, (float)cy-3, (float)CHECK_SIZE+6, (float)CHECK_SIZE+6, 4, imguiRGBA(128,128,128, isActive(id)?196:96));
if (checked)
{
if (enabled)
addGfxCmdRoundedRect((float)cx, (float)cy, (float)CHECK_SIZE, (float)CHECK_SIZE, (float)CHECK_SIZE/2-1, imguiRGBA(255,255,255,isActive(id)?255:200));
else
addGfxCmdRoundedRect((float)cx, (float)cy, (float)CHECK_SIZE, (float)CHECK_SIZE, (float)CHECK_SIZE/2-1, imguiRGBA(128,128,128,200));
}
if (enabled)
addGfxCmdText(x+BUTTON_HEIGHT, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_LEFT, text, isHot(id) ? imguiRGBA(255,196,0,255) : imguiRGBA(255,255,255,200));
else
addGfxCmdText(x+BUTTON_HEIGHT, y+BUTTON_HEIGHT/2-TEXT_HEIGHT/2, IMGUI_ALIGN_LEFT, text, imguiRGBA(128,128,128,200));
return res;
}
bool TestCase::handleRenderOverlay(double* proj, double* model, int* view)
{
GLdouble x, y, z;
char text[64], subtext[64];
int n = 0;
static const float LABEL_DIST = 1.0f;
for (Test* iter = m_tests; iter; iter = iter->next)
{
float pt[3], dir[3];
if (iter->nstraight)
{
dtVcopy(pt, &iter->straight[3]);
if (dtVdist(pt, iter->spos) > LABEL_DIST)
{
dtVsub(dir, pt, iter->spos);
dtVnormalize(dir);
dtVmad(pt, iter->spos, dir, LABEL_DIST);
}
pt[1]+=0.5f;
}
else
{
dtVsub(dir, iter->epos, iter->spos);
dtVnormalize(dir);
dtVmad(pt, iter->spos, dir, LABEL_DIST);
pt[1]+=0.5f;
}
if (gluProject((GLdouble)pt[0], (GLdouble)pt[1], (GLdouble)pt[2],
model, proj, view, &x, &y, &z))
{
snprintf(text, 64, "Path %d\n", n);
unsigned int col = imguiRGBA(0,0,0,128);
if (iter->expand)
col = imguiRGBA(255,192,0,220);
imguiDrawText((int)x, (int)(y-25), IMGUI_ALIGN_CENTER, text, col);
}
n++;
}
static int resScroll = 0;
bool mouseOverMenu = imguiBeginScrollArea("Test Results", 10, view[3] - 10 - 350, 200, 350, &resScroll);
// mouseOverMenu = true;
n = 0;
for (Test* iter = m_tests; iter; iter = iter->next)
{
const int total = iter->findNearestPolyTime + iter->findPathTime + iter->findStraightPathTime;
snprintf(subtext, 64, "%.4f ms", (float)total/1000.0f);
snprintf(text, 64, "Path %d", n);
if (imguiCollapse(text, subtext, iter->expand))
iter->expand = !iter->expand;
if (iter->expand)
{
snprintf(text, 64, "Poly: %.4f ms", (float)iter->findNearestPolyTime/1000.0f);
imguiValue(text);
snprintf(text, 64, "Path: %.4f ms", (float)iter->findPathTime/1000.0f);
imguiValue(text);
snprintf(text, 64, "Straight: %.4f ms", (float)iter->findStraightPathTime/1000.0f);
imguiValue(text);
imguiSeparator();
}
n++;
}
imguiEndScrollArea();
return mouseOverMenu;
}
void imguiEndScrollArea()
{
// Disable scissoring.
addGfxCmdScissor(-1,-1,-1,-1);
// Draw scroll bar
int x = g_scrollRight+SCROLL_AREA_PADDING/2;
int y = g_scrollBottom;
int w = SCROLL_AREA_PADDING*2;
int h = g_scrollTop - g_scrollBottom;
int stop = g_scrollAreaTop;
int sbot = g_state.widgetY;
int sh = stop - sbot; // The scrollable area height.
float barHeight = (float)h/(float)sh;
if (barHeight < 1)
{
float barY = (float)(y - sbot)/(float)sh;
if (barY < 0) barY = 0;
if (barY > 1) barY = 1;
// Handle scroll bar logic.
unsigned int hid = g_scrollId;
int hx = x;
int hy = y + (int)(barY*h);
int hw = w;
int hh = (int)(barHeight*h);
const int range = h - (hh-1);
bool over = inRect(hx, hy, hw, hh);
buttonLogic(hid, over);
if (isActive(hid))
{
float u = (float)(hy-y) / (float)range;
if (g_state.wentActive)
{
g_state.dragY = g_state.my;
g_state.dragOrig = u;
}
if (g_state.dragY != g_state.my)
{
u = g_state.dragOrig + (g_state.my - g_state.dragY) / (float)range;
if (u < 0) u = 0;
if (u > 1) u = 1;
*g_scrollVal = (int)((1-u) * (sh - h));
}
}
// BG
addGfxCmdRoundedRect((float)x, (float)y, (float)w, (float)h, (float)w/2-1, imguiRGBA(0,0,0,196));
// Bar
if (isActive(hid))
addGfxCmdRoundedRect((float)hx, (float)hy, (float)hw, (float)hh, (float)w/2-1, imguiRGBA(255,196,0,196));
else
addGfxCmdRoundedRect((float)hx, (float)hy, (float)hw, (float)hh, (float)w/2-1, isHot(hid) ? imguiRGBA(255,196,0,96) : imguiRGBA(255,255,255,64));
// Handle mouse scrolling.
if (g_insideScrollArea) // && !anyActive())
{
if (g_state.scroll)
{
*g_scrollVal += 20*g_state.scroll;
if (*g_scrollVal < 0) *g_scrollVal = 0;
if (*g_scrollVal > (sh - h)) *g_scrollVal = (sh - h);
}
}
}
g_state.insideCurrentScroll = false;
}
void ConvexVolumeTool::handleRenderOverlay(double* /*proj*/, double* /*model*/, int* view)
{
// Tool help
const int h = view[3];
if (!m_npts)
{
imguiDrawText(280, h-40, IMGUI_ALIGN_LEFT, "LMB: Create new shape. SHIFT+LMB: Delete existing shape (click inside a shape).", imguiRGBA(255,255,255,192));
}
else
{
imguiDrawText(280, h-40, IMGUI_ALIGN_LEFT, "Click LMB to add new points. Click on the red point to finish the shape.", imguiRGBA(255,255,255,192));
imguiDrawText(280, h-60, IMGUI_ALIGN_LEFT, "The shape will be convex hull of all added points.", imguiRGBA(255,255,255,192));
}
}
void CrowdToolState::handleRenderOverlay(double* proj, double* model, int* view)
{
GLdouble x, y, z;
// Draw start and end point labels
if (m_targetRef && gluProject((GLdouble)m_targetPos[0], (GLdouble)m_targetPos[1], (GLdouble)m_targetPos[2],
model, proj, view, &x, &y, &z))
{
imguiDrawText((int)x, (int)(y+25), IMGUI_ALIGN_CENTER, "TARGET", imguiRGBA(0,0,0,220));
}
char label[32];
if (m_toolParams.m_showNodes)
{
dtCrowd* crowd = m_sample->getCrowd();
if (crowd && crowd->getPathQueue())
{
const dtNavMeshQuery* navquery = crowd->getPathQueue()->getNavQuery();
const dtNodePool* pool = navquery->getNodePool();
if (pool)
{
const float off = 0.5f;
for (int i = 0; i < pool->getHashSize(); ++i)
{
for (dtNodeIndex j = pool->getFirst(i); j != DT_NULL_IDX; j = pool->getNext(j))
{
const dtNode* node = pool->getNodeAtIdx(j+1);
if (!node) continue;
if (gluProject((GLdouble)node->pos[0],(GLdouble)node->pos[1]+off,(GLdouble)node->pos[2],
model, proj, view, &x, &y, &z))
{
const float heuristic = node->total;// - node->cost;
snprintf(label, 32, "%.2f", heuristic);
imguiDrawText((int)x, (int)y+15, IMGUI_ALIGN_CENTER, label, imguiRGBA(0,0,0,220));
}
}
}
}
}
}
if (m_toolParams.m_showLabels)
{
dtCrowd* crowd = m_sample->getCrowd();
if (crowd)
{
for (int i = 0; i < crowd->getAgentCount(); ++i)
{
const dtCrowdAgent* ag = crowd->getAgent(i);
if (!ag->active) continue;
const float* pos = ag->npos;
const float h = ag->params.height;
if (gluProject((GLdouble)pos[0], (GLdouble)pos[1]+h, (GLdouble)pos[2],
model, proj, view, &x, &y, &z))
{
snprintf(label, 32, "%d", i);
imguiDrawText((int)x, (int)y+15, IMGUI_ALIGN_CENTER, label, imguiRGBA(0,0,0,220));
}
}
}
}
if (m_agentDebug.idx != -1)
{
dtCrowd* crowd = m_sample->getCrowd();
if (crowd)
{
for (int i = 0; i < crowd->getAgentCount(); i++)
{
if (m_toolParams.m_showDetailAll == false && i != m_agentDebug.idx)
continue;
const dtCrowdAgent* ag =crowd->getAgent(i);
if (!ag->active)
continue;
const float radius = ag->params.radius;
if (m_toolParams.m_showNeis)
{
for (int j = 0; j < ag->nneis; ++j)
{
const dtCrowdAgent* nei = crowd->getAgent(ag->neis[j].idx);
if (!nei->active) continue;
if (gluProject((GLdouble)nei->npos[0], (GLdouble)nei->npos[1]+radius, (GLdouble)nei->npos[2],
model, proj, view, &x, &y, &z))
{
snprintf(label, 32, "%.3f", ag->neis[j].dist);
imguiDrawText((int)x, (int)y+15, IMGUI_ALIGN_CENTER, label, imguiRGBA(255,255,255,220));
}
}
}
}
}
}
if (m_toolParams.m_showPerfGraph)
{
GraphParams gp;
gp.setRect(300, 10, 500, 200, 8);
gp.setValueRange(0.0f, 2.0f, 4, "ms");
drawGraphBackground(&gp);
drawGraph(&gp, &m_crowdTotalTime, 1, "Total", duRGBA(255,128,0,255));
gp.setRect(300, 10, 500, 50, 8);
gp.setValueRange(0.0f, 2000.0f, 1, "");
drawGraph(&gp, &m_crowdSampleCount, 0, "Sample Count", duRGBA(96,96,96,128));
}
}
// This function's code is from the RecastDemo project's main.cpp file by Mikko Mononen
void MyRecastDemo::guiRender()
{
GLdouble proj[16];
GLdouble model[16];
GLint view[4];
glGetDoublev(GL_PROJECTION_MATRIX, proj);
glGetDoublev(GL_MODELVIEW_MATRIX, model);
glGetIntegerv(GL_VIEWPORT, view);
GLdouble x, y, z;
gluUnProject(m_mouseX, m_mouseY, 0.0f, model, proj, view, &x, &y, &z);
m_rays[0] = (float)x; m_rays[1] = (float)y; m_rays[2] = (float)z;
gluUnProject(m_mouseX, m_mouseY, 1.0f, model, proj, view, &x, &y, &z);
m_raye[0] = (float)x; m_raye[1] = (float)y; m_raye[2] = (float)z;
glDisable(GL_DEPTH_TEST);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluOrtho2D(0, m_width, 0, m_height);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glColor4ub(255,255,255,255);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
m_mouseOverMenu = false;
imguiBeginFrame( m_mouseX,m_mouseY,m_mouseBut,m_mouseScroll );
const char msg[] = "W/S/A/D: move (+ shift) | F1: toggle recast gui | F2: toggle node names | F12: invert mouse";
imguiDrawText(280, m_height-20, IMGUI_ALIGN_LEFT, msg, imguiRGBA(255,255,255,200));
if (m_showMenu)
{
if (m_sample)
{
m_sample->handleRenderOverlay((double*)proj, (double*)model, (int*)view);
}
if (imguiBeginScrollArea("Properties", m_width-250-10, 10, 250, m_height-20, &m_propScroll))
m_mouseOverMenu = true;
if (imguiCheck("Show Log", m_showLog))
m_showLog = !m_showLog;
if (imguiCheck("Show Tools", m_showTools))
m_showTools = !m_showTools;
imguiSeparator();
imguiLabel("Sample");
if (imguiButton(m_sampleName))
{
if (m_showSample)
{
m_showSample = false;
}
else
{
m_showSample = true;
m_showConfig = false;
}
}
imguiSeparator();
imguiLabel("Config File");
if (imguiButton(m_configName))
{
if (m_showConfig)
{
m_showConfig = false;
}
else
{
m_showSample = false;
m_showConfig = true;
scanDirectory("Content", ".xml", m_files);
}
}
if (m_geom)
{
char text[64];
snprintf(text, 64, "Verts: %.1fk Tris: %.1fk",
m_geom->getMesh()->getVertCount()/1000.0f,
m_geom->getMesh()->getTriCount()/1000.0f);
imguiValue(text);
}
imguiSeparator();
if (m_geom && m_sample)
{
imguiSeparatorLine();
m_sample->handleSettings();
if (imguiButton("Build"))
{
m_ctx.resetLog();
if (!m_sample->handleBuild())
{
m_showLog = true;
m_logScroll = 0;
}
m_ctx.dumpLog("Build log %s:", m_configName);
}
imguiSeparator();
}
if (m_sample)
{
imguiSeparatorLine();
m_sample->handleDebugMode();
}
imguiEndScrollArea();
}
// Sample selection dialog.
if (m_showSample)
{
static int levelScroll = 0;
if (imguiBeginScrollArea("Choose Sample", m_width-10-250-10-200, m_height-10-250, 200, 250, &levelScroll))
m_mouseOverMenu = true;
Sample* newSample = 0;
for (int i = 0; i < g_nsamples; ++i)
{
if (imguiItem(g_samples[i].name))
{
newSample = g_samples[i].create();
if (newSample)
strcpy(m_sampleName, g_samples[i].name);
}
}
if (newSample)
{
delete m_geom;
m_geom = 0;
delete m_sample;
m_sample = newSample;
m_sample->setContext(&m_ctx);
if (m_geom && m_sample)
{
m_sample->handleMeshChanged(m_geom);
}
else if(!m_geom)
{
m_geom = new InputGeom();
m_geom->loadMesh( &m_ctx, m_configXmlFile.c_str() );
}
if( m_geom && m_sample )
{
m_sample->handleMeshChanged(m_geom);
m_sample->handleSettings();
}
m_showSample = false;
}
imguiEndScrollArea();
}
// Config selection dialog.
if (m_showConfig)
{
static int levelScroll = 0;
if (imguiBeginScrollArea("Choose Config File", m_width-10-250-10-200, m_height-10-450, 200, 450, &levelScroll))
m_mouseOverMenu = true;
int levelToLoad = -1;
for (int i = 0; i < m_files.size; ++i)
{
if (imguiItem(m_files.files[i]))
levelToLoad = i;
}
if (levelToLoad != -1)
{
strncpy(m_configName, m_files.files[levelToLoad], sizeof(m_configName));
m_configName[sizeof(m_configName)-1] = '\0';
m_showConfig = false;
delete m_geom;
m_geom = 0;
char path[256];
strcpy(path, "Content/");
strcat(path, m_configName);
m_configXmlFile = path;
m_geom = new InputGeom();
if( m_loadedSceneGraphRes )
{
// Remove previously loaded scene .
// Every scene.xml file loaded should group its children in a GroupNode.
int nrFoundNodes = h3dFindNodes( H3DRootNode, "", H3DNodeTypes::Group);
for( int i = 0; i<2; ++i )
{
int node = h3dGetNodeFindResult(i);
const char* name = h3dGetNodeParamStr( node, H3DNodeParams::NameStr);
std::string camName(name);
// Do not delete nodes directly under the root node (e.g. the demo's camera)
if( camName.compare("RootNode") != 0)
{
h3dRemoveNode( h3dGetNodeFindResult(i) );
}
}
int a = h3dRemoveResource( m_loadedSceneGraphRes );
h3dReleaseUnusedResources();
}
if( !loadSceneFileFromConfig( path) )
{
m_showLog = true;
m_logScroll = 0;
m_ctx.log(RC_LOG_ERROR, "Error loading resources from specified scene file.");
}
if (!m_geom || !m_geom->loadMesh(&m_ctx, m_configXmlFile.c_str()) )
{
delete m_geom;
m_geom = 0;
m_showLog = true;
m_logScroll = 0;
m_ctx.log(RC_LOG_ERROR, "Error loading nav mesh geometry from: \"%s\"", m_configName);
m_ctx.dumpLog("Config: Geom load log %s:", m_configName);
}
if (m_sample && m_geom)
{
m_sample->handleMeshChanged(m_geom);
}
}
imguiEndScrollArea();
}
// Log
if (m_showLog && m_showMenu)
{
if (imguiBeginScrollArea("Log", 250+20, 10, m_width - 300 - 250, 200, &m_logScroll))
m_mouseOverMenu = true;
for (int i = 0; i < m_ctx.getLogCount(); ++i)
imguiLabel(m_ctx.getLogText(i));
imguiEndScrollArea();
}
// Tools
if (!m_showTestCases && m_showTools && m_showMenu) // && m_geom && m_sample)
{
if (imguiBeginScrollArea("Tools", 10, 10, 250, m_height-20, &m_toolsScroll))
m_mouseOverMenu = true;
if (m_sample)
m_sample->handleTools();
imguiEndScrollArea();
}
m_wasMouseOverMenu = m_mouseOverMenu;
if(!m_wasMouseOverMenu)
{
// In case we move a GUI slider and leave the menu area
m_mouseBut = 0;
}
m_mouseScroll = 0;
imguiEndFrame();
imguiRenderGLDraw();
glDisable(GL_BLEND);
glEnable(GL_DEPTH_TEST);
}
void CrowdToolState::handleRenderOverlay(double* proj, double* model, int* view)
{
GLdouble x, y, z;
// Draw start and end point labels
if (m_targetRef && gluProject((GLdouble)m_targetPos[0], (GLdouble)m_targetPos[1], (GLdouble)m_targetPos[2],
model, proj, view, &x, &y, &z))
{
imguiDrawText((int)x, (int)(y+25), IMGUI_ALIGN_CENTER, "TARGET", imguiRGBA(0,0,0,220));
}
char label[32];
if (m_toolParams.m_showLabels)
{
dtCrowd* crowd = m_sample->getCrowd();
if (crowd)
{
for (int i = 0; i < crowd->getAgentCount(); ++i)
{
const dtCrowdAgent* ag = crowd->getAgent(i);
if (!ag->active) continue;
const float* pos = ag->npos;
const float h = ag->params.height;
if (gluProject((GLdouble)pos[0], (GLdouble)pos[1]+h, (GLdouble)pos[2],
model, proj, view, &x, &y, &z))
{
snprintf(label, 32, "%d", i);
imguiDrawText((int)x, (int)y+15, IMGUI_ALIGN_CENTER, label, imguiRGBA(0,0,0,220));
}
}
}
}
if (m_agentDebug.idx != -1)
{
dtCrowd* crowd = m_sample->getCrowd();
if (crowd)
{
const dtCrowdAgent* ag = crowd->getAgent(m_agentDebug.idx);
if (ag->active)
{
const float radius = ag->params.radius;
if (m_toolParams.m_showNeis)
{
for (int j = 0; j < ag->nneis; ++j)
{
const dtCrowdAgent* nei = crowd->getAgent(ag->neis[j].idx);
if (!nei->active) continue;
if (gluProject((GLdouble)nei->npos[0], (GLdouble)nei->npos[1]+radius, (GLdouble)nei->npos[2],
model, proj, view, &x, &y, &z))
{
snprintf(label, 32, "%.3f", ag->neis[j].dist);
imguiDrawText((int)x, (int)y+15, IMGUI_ALIGN_CENTER, label, imguiRGBA(255,255,255,220));
}
}
}
}
}
}
if (m_toolParams.m_showPerfGraph)
{
GraphParams gp;
gp.setRect(300, 10, 500, 200, 8);
gp.setValueRange(0.0f, 2.0f, 4, "ms");
drawGraphBackground(&gp);
drawGraph(&gp, &m_crowdTotalTime, 1, "Total", duRGBA(255,128,0,255));
gp.setRect(300, 10, 500, 50, 8);
gp.setValueRange(0.0f, 2000.0f, 1, "");
drawGraph(&gp, &m_crowdSampleCount, 0, "Sample Count", duRGBA(96,96,96,128));
}
}
void TextEngineRenderer::Render() {
GameState ¤t_state = updater.GetCurrentState();
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
PushMatrix();
matrix_stack.back() *= glm::scale(glm::mat4(1), glm::vec3(glm::vec2(current_state.zoom * 0.1f), 1.0f));
matrix_stack.back() *= glm::translate(glm::mat4(1), glm::vec3(-current_state.camera_position, 0));
const glm::vec2 position = glm::vec2(current_state.player_body->GetPosition().x,
current_state.player_body->GetPosition().y);
fill = glm::vec4(0.0f, 0.5f, 0.3f, 0.5f);
for (const auto &area : scene.areas) {
if (area->invisible) {
continue;
}
if (Shape::kAxisAlignedBoundingBox == area->shape) {
DrawAxisAlignedBoundingBox(area->aabb);
} else {
DrawCircle(area->aabb.center(), area->aabb.radius());
}
}
fill = glm::vec4(1.0f, 0.0f, 0.0f, 0.5f);
for (const auto &object : scene.objects) {
if (object->invisible) {
continue;
}
if (Shape::kAxisAlignedBoundingBox == object->shape) {
DrawAxisAlignedBoundingBox(object->aabb);
} else {
DrawCircle(object->aabb.center(), object->aabb.radius());
}
}
const glm::mat4 normalized_to_reversed = glm::scale(glm::mat4(), glm::vec3(1.0f, -1.0f, 1.0f));
const glm::mat4 reversed_to_offset = glm::translate(glm::mat4(), glm::vec3(glm::vec2(1.0f), 0.0f));
const glm::mat4 offset_to_screen = glm::scale(glm::mat4(), glm::vec3(glm::vec2(0.5f), 1.0f));
const glm::mat4 screen_to_window = glm::scale(glm::mat4(), glm::vec3(width, height, 1.0f));
const glm::mat4 transform = (screen_to_window * offset_to_screen *
reversed_to_offset * normalized_to_reversed *
model_view * projection * matrix_stack.back());
const glm::mat4 transform2 = (screen_to_window * offset_to_screen *
reversed_to_offset *
model_view * projection * matrix_stack.back());
const auto inverse = glm::inverse(transform2);
const glm::vec4 homogeneous = transform * glm::vec4(position, 0.0f, 1.0f);
const glm::vec2 transformed = homogeneous.xy() / homogeneous.w;
fill = glm::vec4(0.5f, 0.5f, 0.6f, 1.0f);
PushMatrix();
matrix_stack.back() *= glm::translate(glm::mat4(1), glm::vec3(position, 0));
matrix_stack.back() *= glm::rotate(glm::mat4(1),
current_state.player_body->GetAngle(),
glm::vec3(0, 0, 1));
DrawRectangle(glm::vec2(0), glm::vec2(0.25f, 0.5f));
PopMatrix();
PopMatrix();
if (edit) {
MaybeRebuildAttenuationShader();
if (current_state.selected_item) {
attenuation3_program.Use();
attenuation3_program.Uniforms({
{u8"model_view_inverse", &inverse}
});
const auto isaabb3 = Shape::kAxisAlignedBoundingBox == current_state.selected_item->shape;
glUniform1i(attenuation3_program.GetUniformLocation(u8"selected_isaabb"), isaabb3);
if (Shape::kAxisAlignedBoundingBox == current_state.selected_item->shape) {
attenuation3_program.Uniforms({
{u8"selected_minimum_or_center", current_state.selected_item->aabb.minimum},
{u8"selected_maximum_or_radius", current_state.selected_item->aabb.maximum},
});
CHECK_STATE(!glGetError());
} else {
attenuation3_program.Uniforms({
{u8"selected_minimum_or_center", current_state.selected_item->aabb.center()},
{u8"selected_maximum_or_radius", glm::vec2(current_state.selected_item->aabb.radius())},
});
CHECK_STATE(!glGetError());
}
const auto attenuation3_coefficients = glm::vec3(
current_state.selected_item->base_attenuation,
current_state.selected_item->linear_attenuation,
current_state.selected_item->quadratic_attenuation);
attenuation3_program.Uniforms({
{u8"selected_attenuation", attenuation3_coefficients},
});
const auto color3 = glm::vec4(0, 0, 0, 0.125);
attenuation3_program.Uniforms({
{u8"color", color3}
});
attenuation_array.Bind();
glDrawArrays(attenuation.element_type, 0, attenuation.element_count);
CHECK_STATE(!glGetError());
attenuation_program.Use();
attenuation_program.Uniforms({
{u8"model_view_inverse", &inverse}
});
const auto isaabb = Shape::kAxisAlignedBoundingBox == current_state.selected_item->shape;
glUniform1i(attenuation_program.GetUniformLocation(u8"selected_isaabb"), isaabb);
if (Shape::kAxisAlignedBoundingBox == current_state.selected_item->shape) {
attenuation_program.Uniforms({
{u8"selected_minimum_or_center", current_state.selected_item->aabb.minimum},
{u8"selected_maximum_or_radius", current_state.selected_item->aabb.maximum},
});
CHECK_STATE(!glGetError());
} else {
attenuation_program.Uniforms({
{u8"selected_minimum_or_center", current_state.selected_item->aabb.center()},
{u8"selected_maximum_or_radius", glm::vec2(current_state.selected_item->aabb.radius())},
});
CHECK_STATE(!glGetError());
}
const auto attenuation_coefficients = glm::vec3(
current_state.selected_item->base_attenuation,
current_state.selected_item->linear_attenuation,
current_state.selected_item->quadratic_attenuation);
attenuation_program.Uniforms({
{u8"selected_attenuation", attenuation_coefficients},
});
const auto color = glm::vec4(0, 0, 0, 0.5);
attenuation_program.Uniforms({
{u8"color", color}
});
attenuation_array.Bind();
glDrawArrays(attenuation.element_type, 0, attenuation.element_count);
CHECK_STATE(!glGetError());
}
}
const auto mouse_position = 2.0f * mouse.get_cursor_position();
unsigned char mouse_buttons = 0;
if (mouse.IsButtonDown(GLFW_MOUSE_BUTTON_1)) {
mouse_buttons |= IMGUI_MBUT_LEFT;
}
if (mouse.IsButtonDown(GLFW_MOUSE_BUTTON_2)) {
mouse_buttons |= IMGUI_MBUT_RIGHT;
}
if (edit) {
imguiBeginFrame(mouse_position.x, height - mouse_position.y, mouse_buttons, 0);
for (auto &area : scene.areas) {
const glm::vec4 homogeneous = transform * glm::vec4(area->aabb.minimum.x, area->aabb.maximum.y, 0.0f, 1.0f);
const glm::vec2 transformed = homogeneous.xy() / homogeneous.w;
imguiDrawText(transformed.x, height - transformed.y, IMGUI_ALIGN_LEFT, area->name.c_str(), imguiRGBA(0, 0, 0));
}
for (auto &object : scene.objects) {
const glm::vec4 homogeneous = transform * glm::vec4(object->aabb.minimum.x, object->aabb.maximum.y, 0.0f, 1.0f);
const glm::vec2 transformed = homogeneous.xy() / homogeneous.w;
imguiDrawText(transformed.x, height - transformed.y, IMGUI_ALIGN_LEFT, object->name.c_str(), imguiRGBA(0, 0, 0));
}
if (current_state.selected_item) {
std::ostringstream name, constant, linear, quadratic;
name << current_state.selected_item->name;
imguiDrawText(10, height - 50, IMGUI_ALIGN_LEFT, name.str().c_str(), imguiRGBA(0, 0, 0));
constant << "c: " << current_state.selected_item->base_attenuation;
imguiDrawText(10, height - 75, IMGUI_ALIGN_LEFT, constant.str().c_str(), imguiRGBA(0, 0, 0));
linear << "l: " << current_state.selected_item->linear_attenuation;
imguiDrawText(10, height - 100, IMGUI_ALIGN_LEFT, linear.str().c_str(), imguiRGBA(0, 0, 0));
quadratic << "q: " << current_state.selected_item->quadratic_attenuation << std::endl;
imguiDrawText(10, height - 125, IMGUI_ALIGN_LEFT, quadratic.str().c_str(), imguiRGBA(0, 0, 0));
}
imguiEndFrame();
}
imguiRenderGLDraw(width, height);
}