void Sample_SoloMesh::handleSettings()
{
Sample::handleCommonSettings();
if (imguiCheck("Keep Itermediate Results", m_keepInterResults))
m_keepInterResults = !m_keepInterResults;
imguiSeparator();
imguiIndent();
imguiIndent();
if (imguiButton("Save"))
{
Sample::saveAll("solo_navmesh.bin", m_navMesh);
}
if (imguiButton("Load"))
{
dtFreeNavMesh(m_navMesh);
m_navMesh = Sample::loadAll("solo_navmesh.bin");
m_navQuery->init(m_navMesh, 2048);
}
imguiUnindent();
imguiUnindent();
char msg[64];
snprintf(msg, 64, "Build Time: %.1fms", m_totalBuildTimeMs);
imguiLabel(msg);
imguiSeparator();
}
virtual void handleMenu()
{
imguiLabel("Create Tiles");
if (imguiButton("Create All"))
{
if (m_sample)
m_sample->buildAllTiles();
}
if (imguiButton("Remove All"))
{
if (m_sample)
m_sample->removeAllTiles();
}
}
virtual void handleMenu()
{
imguiLabel("Create Tiles");
if (imguiButton("Create All"))
{
if (m_sample)
m_sample->buildAllTiles();
}
if (imguiButton("Remove All"))
{
if (m_sample)
m_sample->removeAllTiles();
}
imguiValue("Click LMB to create a tile.");
imguiValue("Shift+LMB to remove a tile.");
}
void ConvexVolumeTool::handleMenu()
{
imguiSlider("Shape Height", &m_boxHeight, 0.1f, 20.0f, 0.1f);
imguiSlider("Shape Descent", &m_boxDescent, 0.1f, 20.0f, 0.1f);
imguiSlider("Poly Offset", &m_polyOffset, 0.0f, 10.0f, 0.1f);
imguiSeparator();
imguiLabel("Area Type");
imguiIndent();
if (imguiCheck("Grass", m_areaType == SAMPLE_POLYAREA_GRASS))
m_areaType = SAMPLE_POLYAREA_GRASS;
if (imguiCheck("Road", m_areaType == SAMPLE_POLYAREA_ROAD))
m_areaType = SAMPLE_POLYAREA_ROAD;
if (imguiCheck("Water", m_areaType == SAMPLE_POLYAREA_WATER))
m_areaType = SAMPLE_POLYAREA_WATER;
if (imguiCheck("Door", m_areaType == SAMPLE_POLYAREA_DOOR))
m_areaType = SAMPLE_POLYAREA_DOOR;
imguiUnindent();
imguiSeparator();
if (imguiButton("Clear Shape"))
{
m_npts = 0;
m_nhull = 0;
}
}
void NavmeshPruneTool::handleMenu()
{
dtNavMesh* nav = m_sample->getNavMesh();
if (!nav) return;
if (!m_flags) return;
if (imguiButton("Clear Selection"))
{
m_flags->clearAllFlags();
}
if (imguiButton("Prune Unselected"))
{
disableUnvisitedPolys(nav, m_flags);
delete m_flags;
m_flags = 0;
}
}
virtual void handleMenu()
{
imguiLabel("Create Temp Obstacles");
if (imguiButton("Remove All"))
m_sample->clearAllTempObstacles();
imguiSeparator();
imguiValue("Click LMB to create an obstacle.");
imguiValue("Shift+LMB to remove an obstacle.");
}
void ConvexVolumeTool::handleMenu()
{
imguiSlider("Shape Height", &m_boxHeight, 0.1f, 20.0f, 0.1f);
imguiSlider("Shape Descent", &m_boxDescent, 0.1f, 20.0f, 0.1f);
imguiSeparator();
imguiLabel("Area Type");
imguiIndent();
if (imguiCheck("Grass", m_areaType == SAMPLE_POLYAREA_GRASS))
m_areaType = SAMPLE_POLYAREA_GRASS;
if (imguiCheck("Road", m_areaType == SAMPLE_POLYAREA_ROAD))
m_areaType = SAMPLE_POLYAREA_ROAD;
if (imguiCheck("Water", m_areaType == SAMPLE_POLYAREA_WATER))
m_areaType = SAMPLE_POLYAREA_WATER;
if (imguiCheck("Door", m_areaType == SAMPLE_POLYAREA_DOOR))
m_areaType = SAMPLE_POLYAREA_DOOR;
imguiUnindent();
imguiSeparator();
if (imguiButton("Clear Shape"))
{
m_npts = 0;
m_nhull = 0;
}
imguiSeparator();
imguiValue("Click to create points.");
imguiValue("The shape is convex hull");
imguiValue("of all the create points.");
imguiValue("Click on highlited point");
imguiValue("to finish the shape.");
imguiSeparator();
}
int _main_(int, char**)
{
uint32_t width = 800, height = 600;
uint32_t debug = BGFX_DEBUG_TEXT | BGFX_DEBUG_STATS;
uint32_t reset = BGFX_RESET_VSYNC | BGFX_RESET_MSAA_X8;
bool showStats = true;
bgfx::init();
bgfx::reset(width, height, reset);
bgfx::setDebug(debug);
size_t sz = 0;
void* fontdata = nullptr;
if(loadfile("assets/font/droidsans.ttf", fontdata, sz))
imguiCreate(fontdata, sz);
else
imguiCreate();
free(fontdata);
entry::MouseState mouseState;
float rgb[3] = {0.3f, 0.3f, 0.3f};
bool colorwheelActivated = false;
int32_t scrollArea = 0;
while(!entry::processEvents(width, height, debug, reset, &mouseState)) {
auto encodeColor = [&rgb]()->uint32_t{
return uint32_t(rgb[0]*255)<<24|uint32_t(rgb[1]*255)<<16|uint32_t(rgb[2]*255)<<8|0xff;
};
bgfx::setViewClear(0,
BGFX_CLEAR_COLOR | BGFX_CLEAR_DEPTH,
encodeColor(), 1.0f, 0);
bgfx::setViewRect(0, 0, 0, width, height);
bgfx::submit(0, BGFX_INVALID_HANDLE);
bgfx::dbgTextPrintf(0, 1, 0x4f, "hello world");
bgfx::dbgTextPrintf(0, 2, 0x5f, "simple bgfx program");
imguiBeginFrame(mouseState.m_mx, mouseState.m_my,
(mouseState.m_buttons[entry::MouseButton::Left ] ? IMGUI_MBUT_LEFT : 0)
| (mouseState.m_buttons[entry::MouseButton::Right ] ? IMGUI_MBUT_RIGHT : 0)
, 0
, width
, height);
imguiBeginScrollArea("Test", width-350, 50, 330, 500, &scrollArea);
imguiSeparatorLine();
imguiLabel("foobar");
if(imguiButton("say hi"))
fprintf(stdout, "hi there\n");
imguiBool("show stats", showStats);
uint32_t newDebug = BGFX_DEBUG_TEXT | (showStats ? BGFX_DEBUG_STATS : 0);
if(newDebug != debug) {
debug = newDebug;
bgfx::setDebug(debug);
}
imguiColorWheel("bg color", rgb, colorwheelActivated);
ImGui::ColorEdit3("bg color", rgb);
imguiSeparatorLine();
if(imguiButton("quit"))
break;
imguiEndScrollArea();
imguiEndFrame();
bgfx::frame();
}
imguiDestroy();
bgfx::shutdown();
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 );
}
// 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 imguiRenderGL2" );
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);
// 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;
// Draw UI
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
float projection[16] = { 2.f/width, 0.f, 0.f, 0.f,
0.f, 2.f/height, 0.f, 0.f,
0.f, 0.f, -2.f, 0.f,
-1.f, -1.f, -1.f, 1.f };
glLoadMatrixf(projection);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glUseProgram(0);
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 NavMeshTesterTool::handleMenu()
{
if (imguiCheck("Pathfind Follow", m_toolMode == TOOLMODE_PATHFIND_FOLLOW))
{
m_toolMode = TOOLMODE_PATHFIND_FOLLOW;
recalc();
}
if (imguiCheck("Pathfind Straight", m_toolMode == TOOLMODE_PATHFIND_STRAIGHT))
{
m_toolMode = TOOLMODE_PATHFIND_STRAIGHT;
recalc();
}
if (m_toolMode == TOOLMODE_PATHFIND_STRAIGHT)
{
imguiIndent();
imguiLabel("Vertices at crossings");
if (imguiCheck("None", m_straightPathOptions == 0))
{
m_straightPathOptions = 0;
recalc();
}
if (imguiCheck("Area", m_straightPathOptions == DT_STRAIGHTPATH_AREA_CROSSINGS))
{
m_straightPathOptions = DT_STRAIGHTPATH_AREA_CROSSINGS;
recalc();
}
if (imguiCheck("All", m_straightPathOptions == DT_STRAIGHTPATH_ALL_CROSSINGS))
{
m_straightPathOptions = DT_STRAIGHTPATH_ALL_CROSSINGS;
recalc();
}
imguiUnindent();
}
if (imguiCheck("Pathfind Sliced", m_toolMode == TOOLMODE_PATHFIND_SLICED))
{
m_toolMode = TOOLMODE_PATHFIND_SLICED;
recalc();
}
imguiSeparator();
if (imguiCheck("Distance to Wall", m_toolMode == TOOLMODE_DISTANCE_TO_WALL))
{
m_toolMode = TOOLMODE_DISTANCE_TO_WALL;
recalc();
}
imguiSeparator();
if (imguiCheck("Raycast", m_toolMode == TOOLMODE_RAYCAST))
{
m_toolMode = TOOLMODE_RAYCAST;
recalc();
}
imguiSeparator();
if (imguiCheck("Find Polys in Circle", m_toolMode == TOOLMODE_FIND_POLYS_IN_CIRCLE))
{
m_toolMode = TOOLMODE_FIND_POLYS_IN_CIRCLE;
recalc();
}
if (imguiCheck("Find Polys in Shape", m_toolMode == TOOLMODE_FIND_POLYS_IN_SHAPE))
{
m_toolMode = TOOLMODE_FIND_POLYS_IN_SHAPE;
recalc();
}
imguiSeparator();
if (imguiCheck("Find Local Neighbourhood", m_toolMode == TOOLMODE_FIND_LOCAL_NEIGHBOURHOOD))
{
m_toolMode = TOOLMODE_FIND_LOCAL_NEIGHBOURHOOD;
recalc();
}
imguiSeparator();
if (imguiButton("Set Random Start"))
{
dtStatus status = m_navQuery->findRandomPoint(&m_filter, frand, &m_startRef, m_spos);
if (dtStatusSucceed(status))
{
m_sposSet = true;
recalc();
}
}
if (imguiButton("Set Random End", m_sposSet))
{
if (m_sposSet)
{
dtStatus status = m_navQuery->findRandomPointAroundCircle(m_startRef, m_spos, m_randomRadius, &m_filter, frand, &m_endRef, m_epos);
if (dtStatusSucceed(status))
{
m_eposSet = true;
recalc();
}
}
}
imguiSeparator();
if (imguiButton("Make Random Points"))
{
m_randPointsInCircle = false;
m_nrandPoints = 0;
for (int i = 0; i < MAX_RAND_POINTS; i++)
{
float pt[3];
dtPolyRef ref;
dtStatus status = m_navQuery->findRandomPoint(&m_filter, frand, &ref, pt);
if (dtStatusSucceed(status))
{
dtVcopy(&m_randPoints[m_nrandPoints*3], pt);
m_nrandPoints++;
}
}
}
if (imguiButton("Make Random Points Around", m_sposSet))
{
if (m_sposSet)
{
m_nrandPoints = 0;
m_randPointsInCircle = true;
for (int i = 0; i < MAX_RAND_POINTS; i++)
{
float pt[3];
dtPolyRef ref;
dtStatus status = m_navQuery->findRandomPointAroundCircle(m_startRef, m_spos, m_randomRadius, &m_filter, frand, &ref, pt);
if (dtStatusSucceed(status))
{
dtVcopy(&m_randPoints[m_nrandPoints*3], pt);
m_nrandPoints++;
}
}
}
}
imguiSeparator();
imguiLabel("Include Flags");
imguiIndent();
if (imguiCheck("Walk", (m_filter.getIncludeFlags() & SAMPLE_POLYFLAGS_WALK) != 0))
{
m_filter.setIncludeFlags(m_filter.getIncludeFlags() ^ SAMPLE_POLYFLAGS_WALK);
recalc();
}
if (imguiCheck("Swim", (m_filter.getIncludeFlags() & SAMPLE_POLYFLAGS_SWIM) != 0))
{
m_filter.setIncludeFlags(m_filter.getIncludeFlags() ^ SAMPLE_POLYFLAGS_SWIM);
recalc();
}
if (imguiCheck("Door", (m_filter.getIncludeFlags() & SAMPLE_POLYFLAGS_DOOR) != 0))
{
m_filter.setIncludeFlags(m_filter.getIncludeFlags() ^ SAMPLE_POLYFLAGS_DOOR);
recalc();
}
if (imguiCheck("Jump", (m_filter.getIncludeFlags() & SAMPLE_POLYFLAGS_JUMP) != 0))
{
m_filter.setIncludeFlags(m_filter.getIncludeFlags() ^ SAMPLE_POLYFLAGS_JUMP);
recalc();
}
imguiUnindent();
imguiSeparator();
imguiLabel("Exclude Flags");
imguiIndent();
if (imguiCheck("Walk", (m_filter.getExcludeFlags() & SAMPLE_POLYFLAGS_WALK) != 0))
{
m_filter.setExcludeFlags(m_filter.getExcludeFlags() ^ SAMPLE_POLYFLAGS_WALK);
recalc();
}
if (imguiCheck("Swim", (m_filter.getExcludeFlags() & SAMPLE_POLYFLAGS_SWIM) != 0))
{
m_filter.setExcludeFlags(m_filter.getExcludeFlags() ^ SAMPLE_POLYFLAGS_SWIM);
recalc();
}
if (imguiCheck("Door", (m_filter.getExcludeFlags() & SAMPLE_POLYFLAGS_DOOR) != 0))
{
m_filter.setExcludeFlags(m_filter.getExcludeFlags() ^ SAMPLE_POLYFLAGS_DOOR);
recalc();
}
if (imguiCheck("Jump", (m_filter.getExcludeFlags() & SAMPLE_POLYFLAGS_JUMP) != 0))
{
m_filter.setExcludeFlags(m_filter.getExcludeFlags() ^ SAMPLE_POLYFLAGS_JUMP);
recalc();
}
imguiUnindent();
imguiSeparator();
}
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 = 1700;
height = 1000;
screen = SDL_SetVideoMode(width, height, 0, SDL_OPENGL|SDL_FULLSCREEN);
}
else
{
width = 1700;
height = 1000;
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)
{
Args args(_argc, _argv);
uint32_t width = 1280;
uint32_t height = 720;
uint32_t debug = BGFX_DEBUG_TEXT;
uint32_t reset = BGFX_RESET_VSYNC;
bgfx::init(args.m_type, args.m_pciId);
bgfx::reset(width, height, reset);
// Enable debug text.
bgfx::setDebug(debug);
// Set views clear state.
bgfx::setViewClear(0
, BGFX_CLEAR_COLOR|BGFX_CLEAR_DEPTH
, 0x303030ff
, 1.0f
, 0
);
// Imgui.
imguiCreate();
// Uniforms.
s_uniforms.init();
// Vertex declarations.
PosColorTexCoord0Vertex::init();
LightProbe lightProbes[LightProbe::Count];
lightProbes[LightProbe::Wells ].load("wells");
lightProbes[LightProbe::Uffizi].load("uffizi");
lightProbes[LightProbe::Pisa ].load("pisa");
lightProbes[LightProbe::Ennis ].load("ennis");
lightProbes[LightProbe::Grace ].load("grace");
LightProbe::Enum currentLightProbe = LightProbe::Wells;
bgfx::UniformHandle u_mtx = bgfx::createUniform("u_mtx", bgfx::UniformType::Mat4);
bgfx::UniformHandle u_params = bgfx::createUniform("u_params", bgfx::UniformType::Vec4);
bgfx::UniformHandle u_flags = bgfx::createUniform("u_flags", bgfx::UniformType::Vec4);
bgfx::UniformHandle u_camPos = bgfx::createUniform("u_camPos", bgfx::UniformType::Vec4);
bgfx::UniformHandle s_texCube = bgfx::createUniform("s_texCube", bgfx::UniformType::Int1);
bgfx::UniformHandle s_texCubeIrr = bgfx::createUniform("s_texCubeIrr", bgfx::UniformType::Int1);
bgfx::ProgramHandle programMesh = loadProgram("vs_ibl_mesh", "fs_ibl_mesh");
bgfx::ProgramHandle programSky = loadProgram("vs_ibl_skybox", "fs_ibl_skybox");
Mesh* meshBunny;
meshBunny = meshLoad("meshes/bunny.bin");
struct Settings
{
float m_speed;
float m_glossiness;
float m_exposure;
float m_diffspec;
float m_rgbDiff[3];
float m_rgbSpec[3];
bool m_diffuse;
bool m_specular;
bool m_diffuseIbl;
bool m_specularIbl;
bool m_showDiffColorWheel;
bool m_showSpecColorWheel;
ImguiCubemap::Enum m_crossCubemapPreview;
};
Settings settings;
settings.m_speed = 0.37f;
settings.m_glossiness = 1.0f;
settings.m_exposure = 0.0f;
settings.m_diffspec = 0.65f;
settings.m_rgbDiff[0] = 0.2f;
settings.m_rgbDiff[1] = 0.2f;
settings.m_rgbDiff[2] = 0.2f;
settings.m_rgbSpec[0] = 1.0f;
settings.m_rgbSpec[1] = 1.0f;
settings.m_rgbSpec[2] = 1.0f;
settings.m_diffuse = true;
settings.m_specular = true;
settings.m_diffuseIbl = true;
settings.m_specularIbl = true;
settings.m_showDiffColorWheel = true;
settings.m_showSpecColorWheel = false;
settings.m_crossCubemapPreview = ImguiCubemap::Cross;
float time = 0.0f;
int32_t leftScrollArea = 0;
entry::MouseState mouseState;
while (!entry::processEvents(width, height, debug, reset, &mouseState) )
{
imguiBeginFrame(mouseState.m_mx
, mouseState.m_my
, (mouseState.m_buttons[entry::MouseButton::Left ] ? IMGUI_MBUT_LEFT : 0)
| (mouseState.m_buttons[entry::MouseButton::Right ] ? IMGUI_MBUT_RIGHT : 0)
| (mouseState.m_buttons[entry::MouseButton::Middle] ? IMGUI_MBUT_MIDDLE : 0)
, mouseState.m_mz
, width
, height
);
static int32_t rightScrollArea = 0;
imguiBeginScrollArea("Settings", width - 256 - 10, 10, 256, 540, &rightScrollArea);
imguiLabel("Shade:");
imguiSeparator();
imguiBool("Diffuse", settings.m_diffuse);
imguiBool("Specular", settings.m_specular);
imguiBool("IBL Diffuse", settings.m_diffuseIbl);
imguiBool("IBL Specular", settings.m_specularIbl);
imguiSeparatorLine();
imguiSlider("Speed", settings.m_speed, 0.0f, 1.0f, 0.01f);
imguiSeparatorLine();
imguiSeparator();
imguiSlider("Exposure", settings.m_exposure, -8.0f, 8.0f, 0.01f);
imguiSeparator();
imguiLabel("Environment:");
currentLightProbe = LightProbe::Enum(imguiChoose(currentLightProbe
, "Wells"
, "Uffizi"
, "Pisa"
, "Ennis"
, "Grace"
) );
static float lod = 0.0f;
if (imguiCube(lightProbes[currentLightProbe].m_tex, lod, settings.m_crossCubemapPreview, true) )
{
settings.m_crossCubemapPreview = ImguiCubemap::Enum( (settings.m_crossCubemapPreview+1) % ImguiCubemap::Count);
}
imguiSlider("Texture LOD", lod, 0.0f, 10.1f, 0.1f);
imguiEndScrollArea();
imguiBeginScrollArea("Settings", 10, 70, 256, 576, &leftScrollArea);
imguiLabel("Material properties:");
imguiSeparator();
imguiSlider("Diffuse - Specular", settings.m_diffspec, 0.0f, 1.0f, 0.01f);
imguiSlider("Glossiness" , settings.m_glossiness, 0.0f, 1.0f, 0.01f);
imguiSeparator();
imguiColorWheel("Diffuse color:", &settings.m_rgbDiff[0], settings.m_showDiffColorWheel);
imguiSeparator();
imguiColorWheel("Specular color:", &settings.m_rgbSpec[0], settings.m_showSpecColorWheel);
imguiSeparator();
imguiLabel("Predefined materials:");
imguiSeparator();
if (imguiButton("Gold") )
{
settings.m_glossiness = 0.8f;
settings.m_diffspec = 1.0f;
settings.m_rgbDiff[0] = 0.0f;
settings.m_rgbDiff[1] = 0.0f;
settings.m_rgbDiff[2] = 0.0f;
settings.m_rgbSpec[0] = 1.0f;
settings.m_rgbSpec[1] = 0.86f;
settings.m_rgbSpec[2] = 0.58f;
}
if (imguiButton("Copper") )
{
settings.m_glossiness = 0.67f;
settings.m_diffspec = 1.0f;
settings.m_rgbDiff[0] = 0.0f;
settings.m_rgbDiff[1] = 0.0f;
settings.m_rgbDiff[2] = 0.0f;
settings.m_rgbSpec[0] = 0.98f;
settings.m_rgbSpec[1] = 0.82f;
settings.m_rgbSpec[2] = 0.76f;
}
if (imguiButton("Titanium") )
{
settings.m_glossiness = 0.57f;
settings.m_diffspec = 1.0f;
settings.m_rgbDiff[0] = 0.0f;
settings.m_rgbDiff[1] = 0.0f;
settings.m_rgbDiff[2] = 0.0f;
settings.m_rgbSpec[0] = 0.76f;
settings.m_rgbSpec[1] = 0.73f;
settings.m_rgbSpec[2] = 0.71f;
}
if (imguiButton("Steel") )
{
settings.m_glossiness = 0.82f;
settings.m_diffspec = 1.0f;
settings.m_rgbDiff[0] = 0.0f;
settings.m_rgbDiff[1] = 0.0f;
settings.m_rgbDiff[2] = 0.0f;
settings.m_rgbSpec[0] = 0.77f;
settings.m_rgbSpec[1] = 0.78f;
settings.m_rgbSpec[2] = 0.77f;
}
imguiEndScrollArea();
imguiEndFrame();
s_uniforms.m_glossiness = settings.m_glossiness;
s_uniforms.m_exposure = settings.m_exposure;
s_uniforms.m_diffspec = settings.m_diffspec;
s_uniforms.m_flags[0] = float(settings.m_diffuse);
s_uniforms.m_flags[1] = float(settings.m_specular);
s_uniforms.m_flags[2] = float(settings.m_diffuseIbl);
s_uniforms.m_flags[3] = float(settings.m_specularIbl);
memcpy(s_uniforms.m_rgbDiff, settings.m_rgbDiff, 3*sizeof(float) );
memcpy(s_uniforms.m_rgbSpec, settings.m_rgbSpec, 3*sizeof(float) );
s_uniforms.submitPerFrameUniforms();
int64_t now = bx::getHPCounter();
static int64_t last = now;
const int64_t frameTime = now - last;
last = now;
const double freq = double(bx::getHPFrequency() );
const double toMs = 1000.0/freq;
time += (float)(frameTime*settings.m_speed/freq);
s_uniforms.m_camPosTime[3] = time;
// Use debug font to print information about this example.
bgfx::dbgTextClear();
bgfx::dbgTextPrintf(0, 1, 0x4f, "bgfx/examples/18-ibl");
bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: Image based lightning.");
bgfx::dbgTextPrintf(0, 3, 0x0f, "Frame: % 7.3f[ms]", double(frameTime)*toMs);
float at[3] = { 0.0f, 0.0f, 0.0f };
float eye[3] = { 0.0f, 0.0f, -3.0f };
bx::mtxRotateXY(s_uniforms.m_mtx
, 0.0f
, time
);
float view[16];
float proj[16];
bx::mtxIdentity(view);
bx::mtxOrtho(proj, 0.0f, 1.0f, 1.0f, 0.0f, 0.0f, 100.0f);
bgfx::setViewTransform(0, view, proj);
bx::mtxLookAt(view, eye, at);
memcpy(s_uniforms.m_camPosTime, eye, 3*sizeof(float) );
bx::mtxProj(proj, 60.0f, float(width)/float(height), 0.1f, 100.0f);
bgfx::setViewTransform(1, view, proj);
bgfx::setViewRect(0, 0, 0, width, height);
bgfx::setViewRect(1, 0, 0, width, height);
// View 0.
bgfx::setTexture(0, s_texCube, lightProbes[currentLightProbe].m_tex);
bgfx::setState(BGFX_STATE_RGB_WRITE|BGFX_STATE_ALPHA_WRITE);
screenSpaceQuad( (float)width, (float)height, true);
s_uniforms.submitPerDrawUniforms();
bgfx::submit(0, programSky);
// View 1.
float mtx[16];
bx::mtxSRT(mtx
, 1.0f
, 1.0f
, 1.0f
, 0.0f
, bx::pi+time
, 0.0f
, 0.0f
, -1.0f
, 0.0f
);
bgfx::setTexture(0, s_texCube, lightProbes[currentLightProbe].m_tex);
bgfx::setTexture(1, s_texCubeIrr, lightProbes[currentLightProbe].m_texIrr);
meshSubmit(meshBunny, 1, programMesh, mtx);
// Advance to next frame. Rendering thread will be kicked to
// process submitted rendering primitives.
bgfx::frame();
}
meshUnload(meshBunny);
// Cleanup.
bgfx::destroyProgram(programMesh);
bgfx::destroyProgram(programSky);
bgfx::destroyUniform(u_camPos);
bgfx::destroyUniform(u_flags);
bgfx::destroyUniform(u_params);
bgfx::destroyUniform(u_mtx);
bgfx::destroyUniform(s_texCube);
bgfx::destroyUniform(s_texCubeIrr);
for (uint8_t ii = 0; ii < LightProbe::Count; ++ii)
{
lightProbes[ii].destroy();
}
s_uniforms.destroy();
imguiDestroy();
// Shutdown bgfx.
bgfx::shutdown();
return 0;
}
int _main_(int /*_argc*/, char** /*_argv*/)
{
uint32_t width = 1280;
uint32_t height = 720;
uint32_t debug = BGFX_DEBUG_TEXT;
uint32_t reset = BGFX_RESET_VSYNC;
bgfx::init();
bgfx::reset(width, height, reset);
// Enable debug text.
bgfx::setDebug(debug);
// Set view 0 clear state.
bgfx::setViewClear(0
, BGFX_CLEAR_COLOR_BIT|BGFX_CLEAR_DEPTH_BIT
, 0x303030ff
, 1.0f
, 0
);
// Setup root path for binary shaders. Shader binaries are different
// for each renderer.
switch (bgfx::getRendererType() )
{
default:
case bgfx::RendererType::Direct3D9:
s_shaderPath = "shaders/dx9/";
break;
case bgfx::RendererType::Direct3D11:
s_shaderPath = "shaders/dx11/";
break;
case bgfx::RendererType::OpenGL:
s_shaderPath = "shaders/glsl/";
s_flipV = true;
break;
case bgfx::RendererType::OpenGLES2:
case bgfx::RendererType::OpenGLES3:
s_shaderPath = "shaders/gles/";
s_flipV = true;
break;
}
bgfx::UniformHandle u_texColor = bgfx::createUniform("u_texColor", bgfx::UniformType::Uniform1iv);
bgfx::UniformHandle u_stipple = bgfx::createUniform("u_stipple", bgfx::UniformType::Uniform3fv);
bgfx::UniformHandle u_texStipple = bgfx::createUniform("u_texStipple", bgfx::UniformType::Uniform1iv);
bgfx::ProgramHandle program = loadProgram("vs_tree", "fs_tree");
const bgfx::Memory* mem;
mem = loadTexture("leafs1.dds");
bgfx::TextureHandle textureLeafs = bgfx::createTexture(mem);
mem = loadTexture("bark1.dds");
bgfx::TextureHandle textureBark = bgfx::createTexture(mem);
bgfx::TextureHandle textureStipple;
const bgfx::Memory* stipple = bgfx::alloc(8*4);
memset(stipple->data, 0, stipple->size);
for (uint32_t ii = 0; ii < 32; ++ii)
{
stipple->data[knightTour[ii].m_y * 8 + knightTour[ii].m_x] = ii*4;
}
textureStipple = bgfx::createTexture2D(8, 4, 1, bgfx::TextureFormat::L8, BGFX_TEXTURE_MAG_POINT|BGFX_TEXTURE_MIN_POINT, stipple);
Mesh mesh_top[3];
mesh_top[0].load("meshes/tree1b_lod0_1.bin");
mesh_top[1].load("meshes/tree1b_lod1_1.bin");
mesh_top[2].load("meshes/tree1b_lod2_1.bin");
Mesh mesh_trunk[3];
mesh_trunk[0].load("meshes/tree1b_lod0_2.bin");
mesh_trunk[1].load("meshes/tree1b_lod1_2.bin");
mesh_trunk[2].load("meshes/tree1b_lod2_2.bin");
FILE* file = fopen("font/droidsans.ttf", "rb");
uint32_t size = (uint32_t)fsize(file);
void* data = malloc(size);
size_t ignore = fread(data, 1, size, file);
BX_UNUSED(ignore);
fclose(file);
imguiCreate(data, size);
free(data);
int32_t scrollArea = 0;
bool transitions = true;
int transitionFrame = 0;
int currLOD = 0;
int targetLOD = 0;
float at[3] = { 0.0f, 1.0f, 0.0f };
float eye[3] = { 0.0f, 1.0f, -2.0f };
entry::MouseState mouseState;
while (!entry::processEvents(width, height, debug, reset, &mouseState) )
{
imguiBeginFrame(mouseState.m_mx
, mouseState.m_my
, (mouseState.m_buttons[entry::MouseButton::Left ] ? IMGUI_MBUT_LEFT : 0)
| (mouseState.m_buttons[entry::MouseButton::Right ] ? IMGUI_MBUT_RIGHT : 0)
, 0
, width
, height
);
imguiBeginScrollArea("Toggle transitions", width - width / 5 - 10, 10, width / 5, height / 6, &scrollArea);
imguiSeparatorLine();
if (imguiButton(transitions ? "ON" : "OFF") )
{
transitions = !transitions;
}
static float distance = 2.0f;
imguiSlider("Distance", &distance, 2.0f, 6.0f, .01f);
imguiEndScrollArea();
imguiEndFrame();
// Set view 0 default viewport.
bgfx::setViewRect(0, 0, 0, width, height);
// This dummy draw call is here to make sure that view 0 is cleared
// if no other draw calls are submitted to view 0.
bgfx::submit(0);
int64_t now = bx::getHPCounter();
static int64_t last = now;
const int64_t frameTime = now - last;
last = now;
const double freq = double(bx::getHPFrequency() );
const double toMs = 1000.0/freq;
// Use debug font to print information about this example.
bgfx::dbgTextClear();
bgfx::dbgTextPrintf(0, 1, 0x4f, "bgfx/examples/12-lod");
bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: Mesh LOD transitions.");
bgfx::dbgTextPrintf(0, 3, 0x0f, "Frame: % 7.3f[ms]", double(frameTime)*toMs);
bgfx::dbgTextPrintf(0, 4, transitions ? 0x2f : 0x1f, transitions ? "Transitions on" : "Transitions off");
eye[2] = -distance;
float view[16];
float proj[16];
mtxLookAt(view, eye, at);
mtxProj(proj, 60.0f, float(width)/float(height), 0.1f, 100.0f);
// Set view and projection matrix for view 0.
bgfx::setViewTransform(0, view, proj);
float mtx[16];
mtxIdentity(mtx);
float stipple[3];
float stippleInv[3];
const int currentLODframe = transitions ? 32-transitionFrame : 32;
const int mainLOD = transitions ? currLOD : targetLOD;
stipple[0] = 0.0f;
stipple[1] = -1.0f;
stipple[2] = (float(currentLODframe)*4.0f/255.0f) - (1.0f/255.0f);
stippleInv[0] = (float(31)*4.0f/255.0f);
stippleInv[1] = 1.0f;
stippleInv[2] = (float(transitionFrame)*4.0f/255.0f) - (1.0f/255.0f);
bgfx::setTexture(0, u_texColor, textureBark);
bgfx::setTexture(1, u_texStipple, textureStipple);
bgfx::setUniform(u_stipple, stipple);
mesh_trunk[mainLOD].submit(program, mtx, false);
bgfx::setTexture(0, u_texColor, textureLeafs);
bgfx::setTexture(1, u_texStipple, textureStipple);
bgfx::setUniform(u_stipple, stipple);
mesh_top[mainLOD].submit(program, mtx, true);
if (transitions
&& (transitionFrame != 0) )
{
bgfx::setTexture(0, u_texColor, textureBark);
bgfx::setTexture(1, u_texStipple, textureStipple);
bgfx::setUniform(u_stipple, stippleInv);
mesh_trunk[targetLOD].submit(program, mtx, false);
bgfx::setTexture(0, u_texColor, textureLeafs);
bgfx::setTexture(1, u_texStipple, textureStipple);
bgfx::setUniform(u_stipple, stippleInv);
mesh_top[targetLOD].submit(program, mtx, true);
}
int lod = 0;
if (eye[2] < -2.5f)
{
lod = 1;
}
if (eye[2] < -5.0f)
{
lod = 2;
}
if (targetLOD!=lod)
{
if (targetLOD==currLOD)
{
targetLOD = lod;
}
}
if (currLOD != targetLOD)
{
transitionFrame++;
}
if (transitionFrame>32)
{
currLOD = targetLOD;
transitionFrame = 0;
}
// Advance to next frame. Rendering thread will be kicked to
// process submitted rendering primitives.
bgfx::frame();
}
for (uint32_t ii = 0; ii < 3; ++ii)
{
mesh_top[ii].unload();
mesh_trunk[ii].unload();
}
// Cleanup.
bgfx::destroyProgram(program);
bgfx::destroyUniform(u_texColor);
bgfx::destroyUniform(u_stipple);
bgfx::destroyUniform(u_texStipple);
bgfx::destroyTexture(textureStipple);
bgfx::destroyTexture(textureLeafs);
bgfx::destroyTexture(textureBark);
// Shutdown bgfx.
bgfx::shutdown();
return 0;
}
// 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 Sample_TempObstacles::handleSettings()
{
Sample::handleCommonSettings();
if (imguiCheck("Keep Itermediate Results", m_keepInterResults))
m_keepInterResults = !m_keepInterResults;
imguiLabel("Tiling");
imguiSlider("TileSize", &m_tileSize, 16.0f, 128.0f, 8.0f);
int gridSize = 1;
if (m_geom)
{
const float* bmin = m_geom->getNavMeshBoundsMin();
const float* bmax = m_geom->getNavMeshBoundsMax();
char text[64];
int gw = 0, gh = 0;
rcCalcGridSize(bmin, bmax, m_cellSize, &gw, &gh);
const int ts = (int)m_tileSize;
const int tw = (gw + ts-1) / ts;
const int th = (gh + ts-1) / ts;
snprintf(text, 64, "Tiles %d x %d", tw, th);
imguiValue(text);
// Max tiles and max polys affect how the tile IDs are caculated.
// There are 22 bits available for identifying a tile and a polygon.
int tileBits = rcMin((int)dtIlog2(dtNextPow2(tw*th*EXPECTED_LAYERS_PER_TILE)), 14);
if (tileBits > 14) tileBits = 14;
int polyBits = 22 - tileBits;
m_maxTiles = 1 << tileBits;
m_maxPolysPerTile = 1 << polyBits;
snprintf(text, 64, "Max Tiles %d", m_maxTiles);
imguiValue(text);
snprintf(text, 64, "Max Polys %d", m_maxPolysPerTile);
imguiValue(text);
gridSize = tw*th;
}
else
{
m_maxTiles = 0;
m_maxPolysPerTile = 0;
}
imguiSeparator();
imguiLabel("Tile Cache");
char msg[64];
const float compressionRatio = (float)m_cacheCompressedSize / (float)(m_cacheRawSize+1);
snprintf(msg, 64, "Layers %d", m_cacheLayerCount);
imguiValue(msg);
snprintf(msg, 64, "Layers (per tile) %.1f", (float)m_cacheLayerCount/(float)gridSize);
imguiValue(msg);
snprintf(msg, 64, "Memory %.1f kB / %.1f kB (%.1f%%)", m_cacheCompressedSize/1024.0f, m_cacheRawSize/1024.0f, compressionRatio*100.0f);
imguiValue(msg);
snprintf(msg, 64, "Navmesh Build Time %.1f ms", m_cacheBuildTimeMs);
imguiValue(msg);
snprintf(msg, 64, "Build Peak Mem Usage %.1f kB", m_cacheBuildMemUsage/1024.0f);
imguiValue(msg);
imguiSeparator();
imguiIndent();
imguiIndent();
if (imguiButton("Save"))
{
saveAll("all_tiles_tilecache.bin");
}
if (imguiButton("Load"))
{
dtFreeNavMesh(m_navMesh);
dtFreeTileCache(m_tileCache);
loadAll("all_tiles_tilecache.bin");
m_navQuery->init(m_navMesh, 2048);
}
imguiUnindent();
imguiUnindent();
imguiSeparator();
}
int _main_(int /*_argc*/, char** /*_argv*/)
{
uint32_t width = 1280;
uint32_t height = 720;
uint32_t debug = BGFX_DEBUG_TEXT;
uint32_t reset = BGFX_RESET_VSYNC;
bgfx::init();
bgfx::reset(width, height, reset);
// Enable debug text.
bgfx::setDebug(debug);
// Set view 0 clear state.
bgfx::setViewClear(0
, BGFX_CLEAR_COLOR|BGFX_CLEAR_DEPTH
, 0x303030ff
, 1.0f
, 0
);
bgfx::UniformHandle s_texColor = bgfx::createUniform("s_texColor", bgfx::UniformType::Int1);
bgfx::UniformHandle s_texStipple = bgfx::createUniform("s_texStipple", bgfx::UniformType::Int1);
bgfx::UniformHandle u_stipple = bgfx::createUniform("u_stipple", bgfx::UniformType::Vec4);
bgfx::ProgramHandle program = loadProgram("vs_tree", "fs_tree");
bgfx::TextureHandle textureLeafs = loadTexture("leafs1.dds");
bgfx::TextureHandle textureBark = loadTexture("bark1.dds");
bgfx::TextureHandle textureStipple;
const bgfx::Memory* stippleTex = bgfx::alloc(8*4);
memset(stippleTex->data, 0, stippleTex->size);
for (uint32_t ii = 0; ii < 32; ++ii)
{
stippleTex->data[knightTour[ii].m_y * 8 + knightTour[ii].m_x] = ii*4;
}
textureStipple = bgfx::createTexture2D(8, 4, 1
, bgfx::TextureFormat::R8
, BGFX_TEXTURE_MAG_POINT|BGFX_TEXTURE_MIN_POINT
, stippleTex
);
Mesh* meshTop[3] =
{
meshLoad("meshes/tree1b_lod0_1.bin"),
meshLoad("meshes/tree1b_lod1_1.bin"),
meshLoad("meshes/tree1b_lod2_1.bin"),
};
Mesh* meshTrunk[3] =
{
meshLoad("meshes/tree1b_lod0_2.bin"),
meshLoad("meshes/tree1b_lod1_2.bin"),
meshLoad("meshes/tree1b_lod2_2.bin"),
};
// Imgui.
imguiCreate();
const uint64_t stateCommon = 0
| BGFX_STATE_RGB_WRITE
| BGFX_STATE_ALPHA_WRITE
| BGFX_STATE_DEPTH_TEST_LESS
| BGFX_STATE_CULL_CCW
| BGFX_STATE_MSAA
;
const uint64_t stateTransparent = stateCommon
| BGFX_STATE_BLEND_ALPHA
;
const uint64_t stateOpaque = stateCommon
| BGFX_STATE_DEPTH_WRITE
;
int32_t scrollArea = 0;
bool transitions = true;
int transitionFrame = 0;
int currLOD = 0;
int targetLOD = 0;
float at[3] = { 0.0f, 1.0f, 0.0f };
float eye[3] = { 0.0f, 1.0f, -2.0f };
entry::MouseState mouseState;
while (!entry::processEvents(width, height, debug, reset, &mouseState) )
{
imguiBeginFrame(mouseState.m_mx
, mouseState.m_my
, (mouseState.m_buttons[entry::MouseButton::Left ] ? IMGUI_MBUT_LEFT : 0)
| (mouseState.m_buttons[entry::MouseButton::Right ] ? IMGUI_MBUT_RIGHT : 0)
, 0
, width
, height
);
imguiBeginScrollArea("Toggle transitions", width - width / 5 - 10, 10, width / 5, height / 6, &scrollArea);
imguiSeparatorLine();
if (imguiButton(transitions ? "ON" : "OFF") )
{
transitions = !transitions;
}
static float distance = 2.0f;
imguiSlider("Distance", distance, 2.0f, 6.0f, .01f);
imguiEndScrollArea();
imguiEndFrame();
// Set view 0 default viewport.
bgfx::setViewRect(0, 0, 0, width, height);
// This dummy draw call is here to make sure that view 0 is cleared
// if no other draw calls are submitted to view 0.
bgfx::submit(0);
int64_t now = bx::getHPCounter();
static int64_t last = now;
const int64_t frameTime = now - last;
last = now;
const double freq = double(bx::getHPFrequency() );
const double toMs = 1000.0/freq;
// Use debug font to print information about this example.
bgfx::dbgTextClear();
bgfx::dbgTextPrintf(0, 1, 0x4f, "bgfx/examples/12-lod");
bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: Mesh LOD transitions.");
bgfx::dbgTextPrintf(0, 3, 0x0f, "Frame: % 7.3f[ms]", double(frameTime)*toMs);
bgfx::dbgTextPrintf(0, 4, transitions ? 0x2f : 0x1f, transitions ? "Transitions on" : "Transitions off");
eye[2] = -distance;
// Set view and projection matrix for view 0.
const bgfx::HMD* hmd = bgfx::getHMD();
if (NULL != hmd && 0 != (hmd->flags & BGFX_HMD_RENDERING))
{
float view[16];
bx::mtxQuatTranslationHMD(view, hmd->eye[0].rotation, eye);
float proj[16];
bx::mtxProj(proj, hmd->eye[0].fov, 0.1f, 100.0f);
bgfx::setViewTransform(0, view, proj);
// Set view 0 default viewport.
//
// Use HMD's width/height since HMD's internal frame buffer size
// might be much larger than window size.
bgfx::setViewRect(0, 0, 0, hmd->width, hmd->height);
}
else
{
float view[16];
bx::mtxLookAt(view, eye, at);
float proj[16];
bx::mtxProj(proj, 60.0f, float(width)/float(height), 0.1f, 100.0f);
bgfx::setViewTransform(0, view, proj);
// Set view 0 default viewport.
bgfx::setViewRect(0, 0, 0, width, height);
}
float mtx[16];
bx::mtxScale(mtx, 0.1f, 0.1f, 0.1f);
float stipple[3];
float stippleInv[3];
const int currentLODframe = transitions ? 32-transitionFrame : 32;
const int mainLOD = transitions ? currLOD : targetLOD;
stipple[0] = 0.0f;
stipple[1] = -1.0f;
stipple[2] = (float(currentLODframe)*4.0f/255.0f) - (1.0f/255.0f);
stippleInv[0] = (float(31)*4.0f/255.0f);
stippleInv[1] = 1.0f;
stippleInv[2] = (float(transitionFrame)*4.0f/255.0f) - (1.0f/255.0f);
bgfx::setTexture(0, s_texColor, textureBark);
bgfx::setTexture(1, s_texStipple, textureStipple);
bgfx::setUniform(u_stipple, stipple);
meshSubmit(meshTrunk[mainLOD], 0, program, mtx, stateOpaque);
bgfx::setTexture(0, s_texColor, textureLeafs);
bgfx::setTexture(1, s_texStipple, textureStipple);
bgfx::setUniform(u_stipple, stipple);
meshSubmit(meshTop[mainLOD], 0, program, mtx, stateTransparent);
if (transitions
&& (transitionFrame != 0) )
{
bgfx::setTexture(0, s_texColor, textureBark);
bgfx::setTexture(1, s_texStipple, textureStipple);
bgfx::setUniform(u_stipple, stippleInv);
meshSubmit(meshTrunk[targetLOD], 0, program, mtx, stateOpaque);
bgfx::setTexture(0, s_texColor, textureLeafs);
bgfx::setTexture(1, s_texStipple, textureStipple);
bgfx::setUniform(u_stipple, stippleInv);
meshSubmit(meshTop[targetLOD], 0, program, mtx, stateTransparent);
}
int lod = 0;
if (eye[2] < -2.5f)
{
lod = 1;
}
if (eye[2] < -5.0f)
{
lod = 2;
}
if (targetLOD!=lod)
{
if (targetLOD==currLOD)
{
targetLOD = lod;
}
}
if (currLOD != targetLOD)
{
transitionFrame++;
}
if (transitionFrame>32)
{
currLOD = targetLOD;
transitionFrame = 0;
}
// Advance to next frame. Rendering thread will be kicked to
// process submitted rendering primitives.
bgfx::frame();
}
imguiDestroy();
for (uint32_t ii = 0; ii < 3; ++ii)
{
meshUnload(meshTop[ii]);
meshUnload(meshTrunk[ii]);
}
// Cleanup.
bgfx::destroyProgram(program);
bgfx::destroyUniform(s_texColor);
bgfx::destroyUniform(s_texStipple);
bgfx::destroyUniform(u_stipple);
bgfx::destroyTexture(textureStipple);
bgfx::destroyTexture(textureLeafs);
bgfx::destroyTexture(textureBark);
// Shutdown bgfx.
bgfx::shutdown();
return 0;
}
void CMaNGOS_Map::handleExtraSettings()
{
imguiLabel("Map Id");
char buff[4];
memset(buff, 0, sizeof(buff));
itoa(m_mapID, buff, 10);
if (imguiButton(buff))
{
if (m_showLevel == SHOW_LEVEL_MAP)
{
m_showLevel = SHOW_LEVEL_NONE;
}
else
{
m_showLevel = SHOW_LEVEL_MAP;
}
}
imguiLabel("Tile");
if (imguiButton(m_TileButtonStr.c_str()))
{
if (m_showLevel == SHOW_LEVEL_TILES || m_showLevel == SHOW_LEVEL_NEIGHBOR_TILES)
{
m_showLevel = SHOW_LEVEL_NONE;
}
else
{
if (m_MapInfos->IsEmpty())
m_showLevel = SHOW_LEVEL_TILES;
else if (!m_NeighborTiles.empty())
m_showLevel = SHOW_LEVEL_NEIGHBOR_TILES;
}
}
if (!m_MapInfos->IsEmpty())
{
imguiSeparatorLine();
MeshObjectsMap::const_iterator itr = m_MapInfos->GetGeomsMap()->begin();
imguiLabel("Loaded tile");
while (itr != m_MapInfos->GetGeomsMap()->end())
{
MeshObjects* mo = (*itr).second;
string map = mo->GetMap() ? "MAP " : "";
string vmap = mo->GetVMap() ? "VMAP " : "";
string mmap = m_MapInfos->GetTileRef(mo->GetTileX(), mo->GetTileY()) ? "MMAP" : "";
char buff[40];
snprintf(buff, sizeof(buff), "%dx%d > Found %s%s%s", mo->GetTileX(), mo->GetTileY(), map.c_str(), vmap.c_str(), mmap.c_str());
if (imguiItem(buff))
{
RemoveTileData(mo->GetTileX(), mo->GetTileY());
unsigned int pxy = VMAP::StaticMapTree::packTileID(mo->GetTileX(), mo->GetTileY());
m_NeighborTiles.insert(pxy);
if (m_MapInfos->IsEmpty())
{
m_TileButtonStr = "Click to choose a tile";
}
break;
}
else
++itr;
}
}
}
void Sample_TileMesh::handleSettings()
{
Sample::handleCommonSettings();
if (imguiCheck("Keep Itermediate Results", m_keepInterResults))
m_keepInterResults = !m_keepInterResults;
if (imguiCheck("Build All Tiles", m_buildAll))
m_buildAll = !m_buildAll;
imguiLabel("Tiling");
imguiSlider("TileSize", &m_tileSize, 16.0f, 1024.0f, 16.0f);
if (m_geom)
{
char text[64];
int gw = 0, gh = 0;
const float* bmin = m_geom->getNavMeshBoundsMin();
const float* bmax = m_geom->getNavMeshBoundsMax();
rcCalcGridSize(bmin, bmax, m_cellSize, &gw, &gh);
const int ts = (int)m_tileSize;
const int tw = (gw + ts-1) / ts;
const int th = (gh + ts-1) / ts;
snprintf(text, 64, "Tiles %d x %d", tw, th);
imguiValue(text);
// Max tiles and max polys affect how the tile IDs are caculated.
// There are 22 bits available for identifying a tile and a polygon.
int tileBits = rcMin((int)ilog2(nextPow2(tw*th)), 14);
if (tileBits > 14) tileBits = 14;
int polyBits = 22 - tileBits;
m_maxTiles = 1 << tileBits;
m_maxPolysPerTile = 1 << polyBits;
snprintf(text, 64, "Max Tiles %d", m_maxTiles);
imguiValue(text);
snprintf(text, 64, "Max Polys %d", m_maxPolysPerTile);
imguiValue(text);
}
else
{
m_maxTiles = 0;
m_maxPolysPerTile = 0;
}
imguiSeparator();
imguiIndent();
imguiIndent();
if (imguiButton("Save"))
{
Sample::saveAll("all_tiles_navmesh.bin", m_navMesh);
}
if (imguiButton("Load"))
{
dtFreeNavMesh(m_navMesh);
m_navMesh = Sample::loadAll("all_tiles_navmesh.bin");
m_navQuery->init(m_navMesh, 2048);
}
imguiUnindent();
imguiUnindent();
char msg[64];
snprintf(msg, 64, "Build Time: %.1fms", m_totalBuildTimeMs);
imguiLabel(msg);
imguiSeparator();
imguiSeparator();
}
void CMaNGOS_Map::handleSettings()
{
if (m_MapInfos->IsEmpty())
return;
if (m_SelectedTile)
{
bool tileFound = false;
imguiLabel("Tile commands");
std::string bText;
if (m_MapInfos->GetTileRef(m_SelectedTile->tx, m_SelectedTile->ty))
{
tileFound = true;
bText = "Clear selected tile navmesh";
if (imguiButton(bText.c_str()))
{
setTool(NULL);
m_MapInfos->ClearNavMeshOfTile(m_SelectedTile->tx, m_SelectedTile->ty);
}
}
else
{
bText = "Load selected tile navmesh";
if (imguiButton(bText.c_str()))
{
if (m_MapInfos->LoadNavMeshOfTile(m_SelectedTile->tx, m_SelectedTile->ty))
setTool(new NavMeshTesterTool);
}
bText = "Build navmesh for selected tile";
if (imguiButton(bText.c_str()))
{
rcConfig cfg;
cfg.cs = m_cellSize;
cfg.ch = m_cellHeight;
cfg.walkableSlopeAngle = m_agentMaxSlope;
cfg.walkableHeight = (int)ceilf(m_agentHeight);// (int)ceilf(m_agentHeight / m_cfg.ch);
cfg.walkableClimb = (int)floorf(m_agentMaxClimb);// (int)floorf(m_agentMaxClimb / m_cfg.ch);
cfg.walkableRadius = (int)ceilf(m_agentRadius);// (int)ceilf(m_agentRadius / m_cfg.cs);
cfg.maxEdgeLen = (int)m_edgeMaxLen;// (int)(m_edgeMaxLen / m_cellSize);
cfg.maxSimplificationError = m_edgeMaxError;
cfg.minRegionArea = (int)rcSqr(m_regionMinSize); // Note: area = size*size
cfg.mergeRegionArea = (int)rcSqr(m_regionMergeSize); // Note: area = size*size
cfg.maxVertsPerPoly = (int)m_vertsPerPoly;
cfg.tileSize = (int)m_tileSize;
cfg.borderSize = cfg.walkableRadius + 3; // Reserve enough padding.
cfg.detailSampleDist = m_cellSize * m_detailSampleDist;
cfg.detailSampleMaxError = m_cellHeight * m_detailSampleMaxError;
m_MapInfos->BuildNavMeshOfTile(m_SelectedTile->tx, m_SelectedTile->ty, &cfg, m_partitionType);
setTool(new NavMeshTesterTool);
}
}
if (tileFound)
return;
char tmpStr[50];
imguiLabel("Rasterization");
snprintf(tmpStr, sizeof(tmpStr), "Cell Size = %4.3f", m_cellSize);
imguiValue(tmpStr);
snprintf(tmpStr, sizeof(tmpStr), "Cell Height = %4.3f", m_cellHeight);
imguiValue(tmpStr);
if (!m_MapInfos->GetGeomsMap()->empty())
{
int gw = 0, gh = 0;
rcCalcGridSize(m_MapInfos->BMin(), m_MapInfos->BMax(), m_cellSize, &gw, &gh);
char text[64];
snprintf(text, 64, "Voxels %d x %d", gw, gh);
imguiValue(text);
}
imguiSeparator();
imguiLabel("Agent");
imguiSlider("Height", &m_agentHeight, 0.1f, 5.0f, 0.1f);
imguiSlider("Radius", &m_agentRadius, 0.0f, 5.0f, 0.1f);
imguiSlider("Max Climb", &m_agentMaxClimb, 0.1f, 5.0f, 0.1f);
imguiSlider("Max Slope", &m_agentMaxSlope, 0.0f, 90.0f, 1.0f);
imguiSeparator();
imguiLabel("Region");
imguiSlider("Min Region Size", &m_regionMinSize, 0.0f, 150.0f, 1.0f);
imguiSlider("Merged Region Size", &m_regionMergeSize, 0.0f, 150.0f, 1.0f);
imguiSeparator();
imguiLabel("Partitioning");
if (imguiCheck("Watershed", m_partitionType == SAMPLE_PARTITION_WATERSHED))
m_partitionType = SAMPLE_PARTITION_WATERSHED;
if (imguiCheck("Monotone", m_partitionType == SAMPLE_PARTITION_MONOTONE))
m_partitionType = SAMPLE_PARTITION_MONOTONE;
if (imguiCheck("Layers", m_partitionType == SAMPLE_PARTITION_LAYERS))
m_partitionType = SAMPLE_PARTITION_LAYERS;
imguiSeparator();
imguiLabel("Polygonization");
imguiSlider("Max Edge Length", &m_edgeMaxLen, 0.0f, 100.0f, 1.0f);
imguiSlider("Max Edge Error", &m_edgeMaxError, 0.1f, 3.0f, 0.1f);
imguiSlider("Verts Per Poly", &m_vertsPerPoly, 3.0f, 12.0f, 1.0f);
imguiSeparator();
imguiLabel("Detail Mesh");
imguiSlider("Sample Distance", &m_detailSampleDist, 0.0f, 100.0f, 1.0f);
imguiSlider("Max Sample Error", &m_detailSampleMaxError, 0.0f, 10.0f, 1.0f);
imguiSeparator();
char text[64];
int gw = 0, gh = 0;
rcCalcGridSize(m_MapInfos->BMin(), m_MapInfos->BMax(), m_cellSize, &gw, &gh);
const int ts = (int)m_tileSize;
const int tw = (gw + ts - 1) / ts;
const int th = (gh + ts - 1) / ts;
snprintf(text, 64, "Tiles %d x %d", tw, th);
imguiValue(text);
imguiSeparator();
}
}
void sInterface()
{
int menuWidth = 200;
ui.mouseOverMenu = false;
if (ui.showMenu)
{
bool over = imguiBeginScrollArea("Testbed Controls", g_camera.m_width - menuWidth - 10, 10, menuWidth, g_camera.m_height - 20, &ui.scrollarea1);
if (over) ui.mouseOverMenu = true;
imguiSeparatorLine();
imguiLabel("Script");
if (imguiButton(entry->name, true))
{
ui.chooseTest = !ui.chooseTest;
}
imguiSeparatorLine();
imguiSlider("Vel Iters", &settings.velocityIterations, 0, 50, 1, true);
imguiSlider("Pos Iters", &settings.positionIterations, 0, 50, 1, true);
imguiSlider("Hertz", &settings.hz, 5.0f, 120.0f, 5.0f, true);
if (imguiCheck("Sleep", settings.enableSleep, true))
settings.enableSleep = !settings.enableSleep;
if (imguiCheck("Warm Starting", settings.enableWarmStarting, true))
settings.enableWarmStarting = !settings.enableWarmStarting;
if (imguiCheck("Time of Impact", settings.enableContinuous, true))
settings.enableContinuous = !settings.enableContinuous;
if (imguiCheck("Sub-Stepping", settings.enableSubStepping, true))
settings.enableSubStepping = !settings.enableSubStepping;
imguiSeparatorLine();
if (imguiCheck("Shapes", settings.drawShapes, true))
settings.drawShapes = !settings.drawShapes;
if (imguiCheck("Joints", settings.drawJoints, true))
settings.drawJoints = !settings.drawJoints;
if (imguiCheck("AABBs", settings.drawAABBs, true))
settings.drawAABBs = !settings.drawAABBs;
if (imguiCheck("Contact Points", settings.drawContactPoints, true))
settings.drawContactPoints = !settings.drawContactPoints;
if (imguiCheck("Contact Normals", settings.drawContactNormals, true))
settings.drawContactNormals = !settings.drawContactNormals;
if (imguiCheck("Contact Impulses", settings.drawContactImpulse, true))
settings.drawContactImpulse = !settings.drawContactImpulse;
if (imguiCheck("Friction Impulses", settings.drawFrictionImpulse, true))
settings.drawFrictionImpulse = !settings.drawFrictionImpulse;
if (imguiCheck("Center of Masses", settings.drawCOMs, true))
settings.drawCOMs = !settings.drawCOMs;
if (imguiCheck("Statistics", settings.drawStats, true))
settings.drawStats = !settings.drawStats;
if (imguiCheck("Profile", settings.drawProfile, true))
settings.drawProfile = !settings.drawProfile;
if (imguiButton("Pause", true))
settings.pause = !settings.pause;
if (imguiButton("Single Step", true))
settings.singleStep = !settings.singleStep;
if (imguiButton("Restart", true))
sRestart();
if (imguiButton("Quit", true))
glfwSetWindowShouldClose(mainWindow, GL_TRUE);
imguiEndScrollArea();
}
int testMenuWidth = 200;
if (ui.chooseTest)
{
static int testScroll = 0;
bool over = imguiBeginScrollArea("Choose Script", g_camera.m_width - menuWidth - testMenuWidth - 20, 10, testMenuWidth, g_camera.m_height - 20, &testScroll);
if (over) ui.mouseOverMenu = true;
// for (int i = 0; i < testCount; ++i)
size_t i = 0;
for(auto const& s : b2d_scripts)
{
if (imguiItem(s.name.c_str(), true))
{
script_index = i;
delete test;
//entry = g_testEntries + i;
test = entry->createFcn(b2d_scripts[script_index].filepath);
ui.chooseTest = false;
}
++i;
}
imguiEndScrollArea();
}
imguiEndFrame();
}
int _main_(int /*_argc*/, char** /*_argv*/)
{
uint32_t width = 1280;
uint32_t height = 720;
uint32_t debug = BGFX_DEBUG_TEXT;
uint32_t reset = BGFX_RESET_VSYNC;
bgfx::init();
bgfx::reset(width, height, reset);
// Enable debug text.
bgfx::setDebug(debug);
// Set view 0 clear state.
bgfx::setViewClear(0
, BGFX_CLEAR_COLOR|BGFX_CLEAR_DEPTH
, 0x303030ff
, 1.0f
, 0
);
const bgfx::Caps* caps = bgfx::getCaps();
const bool computeSupported = !!(caps->supported & BGFX_CAPS_COMPUTE);
const bool indirectSupported = !!(caps->supported & BGFX_CAPS_DRAW_INDIRECT);
if (computeSupported)
{
// Imgui.
imguiCreate();
bgfx::VertexDecl quadVertexDecl;
quadVertexDecl.begin()
.add(bgfx::Attrib::Position, 2, bgfx::AttribType::Float)
.end();
// Create static vertex buffer.
bgfx::VertexBufferHandle vbh = bgfx::createVertexBuffer(
// Static data can be passed with bgfx::makeRef
bgfx::makeRef(s_quadVertices, sizeof(s_quadVertices) )
, quadVertexDecl
);
// Create static index buffer.
bgfx::IndexBufferHandle ibh = bgfx::createIndexBuffer(
// Static data can be passed with bgfx::makeRef
bgfx::makeRef(s_quadIndices, sizeof(s_quadIndices) )
);
// Create particle program from shaders.
bgfx::ProgramHandle particleProgram = loadProgram("vs_particle", "fs_particle");
// Setup compute buffers
bgfx::VertexDecl computeVertexDecl;
computeVertexDecl.begin()
.add(bgfx::Attrib::TexCoord0, 4, bgfx::AttribType::Float)
.end();
const uint32_t threadGroupUpdateSize = 512;
const uint32_t maxParticleCount = 32 * 1024;
bgfx::DynamicVertexBufferHandle currPositionBuffer0 = bgfx::createDynamicVertexBuffer(1 << 15, computeVertexDecl, BGFX_BUFFER_COMPUTE_READ_WRITE);
bgfx::DynamicVertexBufferHandle currPositionBuffer1 = bgfx::createDynamicVertexBuffer(1 << 15, computeVertexDecl, BGFX_BUFFER_COMPUTE_READ_WRITE);
bgfx::DynamicVertexBufferHandle prevPositionBuffer0 = bgfx::createDynamicVertexBuffer(1 << 15, computeVertexDecl, BGFX_BUFFER_COMPUTE_READ_WRITE);
bgfx::DynamicVertexBufferHandle prevPositionBuffer1 = bgfx::createDynamicVertexBuffer(1 << 15, computeVertexDecl, BGFX_BUFFER_COMPUTE_READ_WRITE);
bgfx::UniformHandle u_params = bgfx::createUniform("u_params", bgfx::UniformType::Vec4, 3);
bgfx::ProgramHandle initInstancesProgram = bgfx::createProgram(loadShader("cs_init_instances"), true);
bgfx::ProgramHandle updateInstancesProgram = bgfx::createProgram(loadShader("cs_update_instances"), true);
bgfx::ProgramHandle indirectProgram = BGFX_INVALID_HANDLE;
bgfx::IndirectBufferHandle indirectBuffer = BGFX_INVALID_HANDLE;
if (indirectSupported)
{
indirectProgram = bgfx::createProgram(loadShader("cs_indirect"), true);
indirectBuffer = bgfx::createIndirectBuffer(2);
}
u_paramsDataStruct u_paramsData;
InitializeParams(0, &u_paramsData);
bgfx::setUniform(u_params, &u_paramsData, 3);
bgfx::setBuffer(0, prevPositionBuffer0, bgfx::Access::Write);
bgfx::setBuffer(1, currPositionBuffer0, bgfx::Access::Write);
bgfx::dispatch(0, initInstancesProgram, maxParticleCount / threadGroupUpdateSize, 1, 1);
float view[16];
float initialPos[3] = { 0.0f, 0.0f, -45.0f };
cameraCreate();
cameraSetPosition(initialPos);
cameraSetVerticalAngle(0.0f);
cameraGetViewMtx(view);
int32_t scrollArea = 0;
bool useIndirect = false;
entry::MouseState mouseState;
while (!entry::processEvents(width, height, debug, reset, &mouseState) )
{
int64_t now = bx::getHPCounter();
static int64_t last = now;
const int64_t frameTime = now - last;
last = now;
const double freq = double(bx::getHPFrequency() );
const float deltaTime = float(frameTime/freq);
if (deltaTime > 1000.0)
{
abort();
}
// Set view 0 default viewport.
bgfx::setViewRect(0, 0, 0, width, height);
// Use debug font to print information about this example.
bgfx::dbgTextClear();
bgfx::dbgTextPrintf(0, 1, 0x4f, "bgfx/examples/24-nbody");
bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: N-body simulation with compute shaders using buffers.");
imguiBeginFrame(mouseState.m_mx
, mouseState.m_my
, (mouseState.m_buttons[entry::MouseButton::Left ] ? IMGUI_MBUT_LEFT : 0)
| (mouseState.m_buttons[entry::MouseButton::Right ] ? IMGUI_MBUT_RIGHT : 0)
, mouseState.m_mz
, width
, height
);
imguiBeginScrollArea("Settings", width - width / 4 - 10, 10, width / 4, 500, &scrollArea);
imguiSlider("Random seed", u_paramsData.baseSeed, 0, 100);
int32_t shape = imguiChoose(u_paramsData.initialShape, "Point", "Sphere", "Box", "Donut");
imguiSlider("Initial speed", u_paramsData.initialSpeed, 0.0f, 300.0f, 0.1f);
bool defaults = imguiButton("Reset");
imguiSeparatorLine();
imguiSlider("Particle count (x512)", u_paramsData.dispatchSize, 1, 64);
imguiSlider("Gravity", u_paramsData.gravity, 0.0f, 0.3f, 0.001f);
imguiSlider("Damping", u_paramsData.damping, 0.0f, 1.0f, 0.01f);
imguiSlider("Max acceleration", u_paramsData.maxAccel, 0.0f, 100.0f, 0.01f);
imguiSlider("Time step", u_paramsData.timeStep, 0.0f, 0.02f, 0.0001f);
imguiSeparatorLine();
imguiSlider("Particle intensity", u_paramsData.particleIntensity, 0.0f, 1.0f, 0.001f);
imguiSlider("Particle size", u_paramsData.particleSize, 0.0f, 1.0f, 0.001f);
imguiSlider("Particle power", u_paramsData.particlePower, 0.001f, 16.0f, 0.01f);
imguiSeparatorLine();
if (imguiCheck("Use draw/dispatch indirect", useIndirect, indirectSupported) )
{
useIndirect = !useIndirect;
}
imguiEndScrollArea();
imguiEndFrame();
// Modify parameters and reset if shape is changed
if (shape != u_paramsData.initialShape)
{
defaults = true;
InitializeParams(shape, &u_paramsData);
}
if (defaults)
{
bgfx::setBuffer(0, prevPositionBuffer0, bgfx::Access::Write);
bgfx::setBuffer(1, currPositionBuffer0, bgfx::Access::Write);
bgfx::setUniform(u_params, &u_paramsData, 3);
bgfx::dispatch(0, initInstancesProgram, maxParticleCount / threadGroupUpdateSize, 1, 1);
}
if (useIndirect)
{
bgfx::setUniform(u_params, &u_paramsData, 3);
bgfx::setBuffer(0, indirectBuffer, bgfx::Access::Write);
bgfx::dispatch(0, indirectProgram);
}
bgfx::setBuffer(0, prevPositionBuffer0, bgfx::Access::Read);
bgfx::setBuffer(1, currPositionBuffer0, bgfx::Access::Read);
bgfx::setBuffer(2, prevPositionBuffer1, bgfx::Access::Write);
bgfx::setBuffer(3, currPositionBuffer1, bgfx::Access::Write);
bgfx::setUniform(u_params, &u_paramsData, 3);
if (useIndirect)
{
bgfx::dispatch(0, updateInstancesProgram, indirectBuffer, 1);
}
else
{
bgfx::dispatch(0, updateInstancesProgram, u_paramsData.dispatchSize, 1, 1);
}
bx::xchg(currPositionBuffer0, currPositionBuffer1);
bx::xchg(prevPositionBuffer0, prevPositionBuffer1);
// Update camera.
cameraUpdate(deltaTime, mouseState);
cameraGetViewMtx(view);
// Set view and projection matrix for view 0.
const bgfx::HMD* hmd = bgfx::getHMD();
if (NULL != hmd && 0 != (hmd->flags & BGFX_HMD_RENDERING) )
{
float viewHead[16];
float eye[3] = {};
bx::mtxQuatTranslationHMD(viewHead, hmd->eye[0].rotation, eye);
float tmp[16];
bx::mtxMul(tmp, view, viewHead);
float proj[16];
bx::mtxProj(proj, hmd->eye[0].fov, 0.1f, 10000.0f);
bgfx::setViewTransform(0, tmp, proj);
// Set view 0 default viewport.
//
// Use HMD's width/height since HMD's internal frame buffer size
// might be much larger than window size.
bgfx::setViewRect(0, 0, 0, hmd->width, hmd->height);
}
else
{
float proj[16];
bx::mtxProj(proj, 90.0f, float(width)/float(height), 0.1f, 10000.0f);
bgfx::setViewTransform(0, view, proj);
// Set view 0 default viewport.
bgfx::setViewRect(0, 0, 0, width, height);
}
// Set vertex and index buffer.
bgfx::setVertexBuffer(vbh);
bgfx::setIndexBuffer(ibh);
bgfx::setInstanceDataBuffer(currPositionBuffer0, 0, u_paramsData.dispatchSize * threadGroupUpdateSize);
// Set render states.
bgfx::setState(0
| BGFX_STATE_RGB_WRITE
| BGFX_STATE_BLEND_ADD
| BGFX_STATE_DEPTH_TEST_ALWAYS
);
// Submit primitive for rendering to view 0.
if (useIndirect)
{
bgfx::submit(0, particleProgram, indirectBuffer, 0);
}
else
{
bgfx::submit(0, particleProgram);
}
// Advance to next frame. Rendering thread will be kicked to
// process submitted rendering primitives.
bgfx::frame();
}
// Cleanup.
cameraDestroy();
imguiDestroy();
if (indirectSupported)
{
bgfx::destroyProgram(indirectProgram);
bgfx::destroyIndirectBuffer(indirectBuffer);
}
bgfx::destroyUniform(u_params);
bgfx::destroyDynamicVertexBuffer(currPositionBuffer0);
bgfx::destroyDynamicVertexBuffer(currPositionBuffer1);
bgfx::destroyDynamicVertexBuffer(prevPositionBuffer0);
bgfx::destroyDynamicVertexBuffer(prevPositionBuffer1);
bgfx::destroyProgram(updateInstancesProgram);
bgfx::destroyProgram(initInstancesProgram);
bgfx::destroyIndexBuffer(ibh);
bgfx::destroyVertexBuffer(vbh);
bgfx::destroyProgram(particleProgram);
}
else
{
int64_t timeOffset = bx::getHPCounter();
entry::MouseState mouseState;
while (!entry::processEvents(width, height, debug, reset, &mouseState) )
{
int64_t now = bx::getHPCounter();
float time = (float)( (now - timeOffset)/double(bx::getHPFrequency() ) );
bgfx::setViewRect(0, 0, 0, width, height);
bgfx::dbgTextClear();
bgfx::dbgTextPrintf(0, 1, 0x4f, "bgfx/examples/24-nbody");
bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: N-body simulation with compute shaders using buffers.");
bool blink = uint32_t(time*3.0f)&1;
bgfx::dbgTextPrintf(0, 5, blink ? 0x1f : 0x01, " Compute is not supported by GPU. ");
bgfx::touch(0);
bgfx::frame();
}
}
// Shutdown bgfx.
bgfx::shutdown();
return 0;
}