bullet3/examples/ExampleBrowser/OpenGLExampleBrowser.cpp

1348 lines
33 KiB
C++

#include "OpenGLExampleBrowser.h"
#include "LinearMath/btQuickprof.h"
#include "../OpenGLWindow/OpenGLInclude.h"
#include "../OpenGLWindow/SimpleOpenGL2App.h"
#ifndef NO_OPENGL3
#include "../OpenGLWindow/SimpleOpenGL3App.h"
#endif
#include "../CommonInterfaces/CommonRenderInterface.h"
#ifdef __APPLE__
#include "../OpenGLWindow/MacOpenGLWindow.h"
#else
#ifdef _WIN32
#include "../OpenGLWindow/Win32OpenGLWindow.h"
#else
//let's cross the fingers it is Linux/X11
#ifdef BT_USE_EGL
#include "../OpenGLWindow/EGLOpenGLWindow.h"
#else
#include "../OpenGLWindow/X11OpenGLWindow.h"
#endif //BT_USE_EGL
#endif //_WIN32
#endif //__APPLE__
#include "../ThirdPartyLibs/Gwen/Renderers/OpenGL_DebugFont.h"
#include "LinearMath/btThreads.h"
#include "Bullet3Common/b3Vector3.h"
#include "assert.h"
#include <stdio.h>
#include "GwenGUISupport/gwenInternalData.h"
#include "GwenGUISupport/gwenUserInterface.h"
#include "../Utils/b3Clock.h"
#include "../Utils/ChromeTraceUtil.h"
#include "GwenGUISupport/GwenParameterInterface.h"
#ifndef BT_NO_PROFILE
#include "GwenGUISupport/GwenProfileWindow.h"
#endif
#include "GwenGUISupport/GwenTextureWindow.h"
#include "GwenGUISupport/GraphingTexture.h"
#include "../CommonInterfaces/Common2dCanvasInterface.h"
#include "../CommonInterfaces/CommonExampleInterface.h"
#include "Bullet3Common/b3CommandLineArgs.h"
#include "../OpenGLWindow/SimpleCamera.h"
#include "../OpenGLWindow/SimpleOpenGL2Renderer.h"
#include "ExampleEntries.h"
#include "OpenGLGuiHelper.h"
#include "Bullet3Common/b3FileUtils.h"
#include "LinearMath/btIDebugDraw.h"
//quick test for file import, @todo(erwincoumans) make it more general and add other file formats
#include "../Importers/ImportURDFDemo/ImportURDFSetup.h"
#include "../Importers/ImportBullet/SerializeSetup.h"
#include "Bullet3Common/b3HashMap.h"
struct GL3TexLoader : public MyTextureLoader
{
b3HashMap<b3HashString, GLint> m_hashMap;
virtual void LoadTexture(Gwen::Texture* pTexture)
{
Gwen::String namestr = pTexture->name.Get();
const char* n = namestr.c_str();
GLint* texIdPtr = m_hashMap[n];
if (texIdPtr)
{
pTexture->m_intData = *texIdPtr;
}
}
virtual void FreeTexture(Gwen::Texture* pTexture)
{
}
};
struct OpenGLExampleBrowserInternalData
{
Gwen::Renderer::Base* m_gwenRenderer;
CommonGraphicsApp* m_app;
#ifndef BT_NO_PROFILE
MyProfileWindow* m_profWindow;
#endif //BT_NO_PROFILE
btAlignedObjectArray<Gwen::Controls::TreeNode*> m_nodes;
GwenUserInterface* m_gui;
GL3TexLoader* m_myTexLoader;
struct MyMenuItemHander* m_handler2;
btAlignedObjectArray<MyMenuItemHander*> m_handlers;
OpenGLExampleBrowserInternalData()
: m_gwenRenderer(0),
m_app(0),
// m_profWindow(0),
m_gui(0),
m_myTexLoader(0),
m_handler2(0)
{
}
};
static CommonGraphicsApp* s_app = 0;
static CommonWindowInterface* s_window = 0;
static CommonParameterInterface* s_parameterInterface = 0;
static CommonRenderInterface* s_instancingRenderer = 0;
static OpenGLGuiHelper* s_guiHelper = 0;
#ifndef BT_NO_PROFILE
static MyProfileWindow* s_profWindow = 0;
#endif //BT_NO_PROFILE
static SharedMemoryInterface* sSharedMem = 0;
#define DEMO_SELECTION_COMBOBOX 13
const char* startFileName = "0_Bullet3Demo.txt";
char staticPngFileName[1024];
//static GwenUserInterface* gui = 0;
static GwenUserInterface* gui2 = 0;
static int sCurrentDemoIndex = -1;
static int sCurrentHightlighted = 0;
static CommonExampleInterface* sCurrentDemo = 0;
static b3AlignedObjectArray<const char*> allNames;
static float gFixedTimeStep = 0;
bool gAllowRetina = true;
bool gDisableDemoSelection = false;
int gRenderDevice = -1;
int gWindowBackend = 0;
static class ExampleEntries* gAllExamples = 0;
bool sUseOpenGL2 = false;
#ifndef USE_OPENGL3
extern bool useShadowMap;
#endif
bool visualWireframe = false;
static bool renderVisualGeometry = true;
static bool renderGrid = true;
static bool gEnableRenderLoop = true;
bool renderGui = true;
static bool enable_experimental_opencl = false;
static bool gEnableDefaultKeyboardShortcuts = true;
static bool gEnableDefaultMousePicking = true;
int gDebugDrawFlags = 0;
static bool pauseSimulation = false;
static bool singleStepSimulation = false;
int midiBaseIndex = 176;
extern bool gDisableDeactivation;
int gSharedMemoryKey = -1;
///some quick test variable for the OpenCL examples
int gPreferredOpenCLDeviceIndex = -1;
int gPreferredOpenCLPlatformIndex = -1;
int gGpuArraySizeX = 45;
int gGpuArraySizeY = 55;
int gGpuArraySizeZ = 45;
//#include <float.h>
//unsigned int fp_control_state = _controlfp(_EM_INEXACT, _MCW_EM);
void deleteDemo()
{
if (sCurrentDemo)
{
sCurrentDemo->exitPhysics();
s_instancingRenderer->removeAllInstances();
delete sCurrentDemo;
sCurrentDemo = 0;
delete s_guiHelper;
s_guiHelper = 0;
// CProfileManager::CleanupMemory();
}
}
const char* gPngFileName = 0;
int gPngSkipFrames = 0;
b3KeyboardCallback prevKeyboardCallback = 0;
void MyKeyboardCallback(int key, int state)
{
//b3Printf("key=%d, state=%d", key, state);
bool handled = false;
if (renderGui)
{
if (gui2 && !handled)
{
handled = gui2->keyboardCallback(key, state);
}
}
if (!handled && sCurrentDemo)
{
handled = sCurrentDemo->keyboardCallback(key, state);
}
//checkout: is it desired to ignore keys, if the demo already handles them?
//if (handled)
// return;
if (gEnableDefaultKeyboardShortcuts)
{
if (key == 'a' && state)
{
gDebugDrawFlags ^= btIDebugDraw::DBG_DrawAabb;
}
if (key == 'c' && state)
{
gDebugDrawFlags ^= btIDebugDraw::DBG_DrawContactPoints;
}
if (key == 'd' && state)
{
gDebugDrawFlags ^= btIDebugDraw::DBG_NoDeactivation;
gDisableDeactivation = ((gDebugDrawFlags & btIDebugDraw::DBG_NoDeactivation) != 0);
}
if (key == 'j' && state)
{
gDebugDrawFlags ^= btIDebugDraw::DBG_DrawFrames;
}
if (key == 'k' && state)
{
gDebugDrawFlags ^= btIDebugDraw::DBG_DrawConstraints;
}
if (key == 'l' && state)
{
gDebugDrawFlags ^= btIDebugDraw::DBG_DrawConstraintLimits;
}
if (key == 'w' && state)
{
visualWireframe = !visualWireframe;
gDebugDrawFlags ^= btIDebugDraw::DBG_DrawWireframe;
}
if (key == 'v' && state)
{
renderVisualGeometry = !renderVisualGeometry;
}
if (key == 'g' && state)
{
renderGrid = !renderGrid;
renderGui = !renderGui;
}
if (key == 'i' && state)
{
pauseSimulation = !pauseSimulation;
}
if (key == 'o' && state)
{
singleStepSimulation = true;
}
if (key == 'p')
{
if (state)
{
b3ChromeUtilsStartTimings();
}
else
{
#ifdef _WIN32
b3ChromeUtilsStopTimingsAndWriteJsonFile("timings");
#else
b3ChromeUtilsStopTimingsAndWriteJsonFile("/tmp/timings");
#endif
}
}
#ifndef NO_OPENGL3
if (key == 's' && state)
{
useShadowMap = !useShadowMap;
}
#endif
if (key == B3G_F1)
{
static int count = 0;
if (state)
{
b3Printf("F1 pressed %d", count++);
if (gPngFileName)
{
b3Printf("disable image dump");
gPngFileName = 0;
}
else
{
gPngFileName = gAllExamples->getExampleName(sCurrentDemoIndex);
b3Printf("enable image dump %s", gPngFileName);
}
}
else
{
b3Printf("F1 released %d", count++);
}
}
}
if (key == B3G_ESCAPE && s_window)
{
s_window->setRequestExit();
}
if (prevKeyboardCallback)
prevKeyboardCallback(key, state);
}
b3MouseMoveCallback prevMouseMoveCallback = 0;
static void MyMouseMoveCallback(float x, float y)
{
bool handled = false;
if (sCurrentDemo)
handled = sCurrentDemo->mouseMoveCallback(x, y);
if (renderGui)
{
if (!handled && gui2)
handled = gui2->mouseMoveCallback(x, y);
}
if (!handled)
{
if (prevMouseMoveCallback)
prevMouseMoveCallback(x, y);
}
}
b3MouseButtonCallback prevMouseButtonCallback = 0;
static void MyMouseButtonCallback(int button, int state, float x, float y)
{
bool handled = false;
//try picking first
if (sCurrentDemo)
handled = sCurrentDemo->mouseButtonCallback(button, state, x, y);
if (renderGui)
{
if (!handled && gui2)
handled = gui2->mouseButtonCallback(button, state, x, y);
}
if (!handled)
{
if (prevMouseButtonCallback)
prevMouseButtonCallback(button, state, x, y);
}
// b3DefaultMouseButtonCallback(button,state,x,y);
}
#include <string.h>
struct FileImporterByExtension
{
std::string m_extension;
CommonExampleInterface::CreateFunc* m_createFunc;
};
static btAlignedObjectArray<FileImporterByExtension> gFileImporterByExtension;
void OpenGLExampleBrowser::registerFileImporter(const char* extension, CommonExampleInterface::CreateFunc* createFunc)
{
FileImporterByExtension fi;
fi.m_extension = extension;
fi.m_createFunc = createFunc;
gFileImporterByExtension.push_back(fi);
}
#include "../SharedMemory/SharedMemoryPublic.h"
void OpenGLExampleBrowserVisualizerFlagCallback(int flag, bool enable)
{
if (flag == COV_ENABLE_Y_AXIS_UP)
{
//either Y = up or Z
int upAxis = enable ? 1 : 2;
s_app->setUpAxis(upAxis);
}
if (flag == COV_ENABLE_RENDERING)
{
gEnableRenderLoop = (enable != 0);
}
if (flag == COV_ENABLE_SINGLE_STEP_RENDERING)
{
if (enable)
{
gEnableRenderLoop = false;
singleStepSimulation = true;
}
else
{
gEnableRenderLoop = true;
singleStepSimulation = false;
}
}
if (flag == COV_ENABLE_SHADOWS)
{
useShadowMap = enable;
}
if (flag == COV_ENABLE_GUI)
{
renderGui = enable;
renderGrid = enable;
}
if (flag == COV_ENABLE_KEYBOARD_SHORTCUTS)
{
gEnableDefaultKeyboardShortcuts = enable;
}
if (flag == COV_ENABLE_MOUSE_PICKING)
{
gEnableDefaultMousePicking = enable;
}
if (flag == COV_ENABLE_WIREFRAME)
{
visualWireframe = enable;
if (visualWireframe)
{
gDebugDrawFlags |= btIDebugDraw::DBG_DrawWireframe;
}
else
{
gDebugDrawFlags &= ~btIDebugDraw::DBG_DrawWireframe;
}
}
}
void openFileDemo(const char* filename)
{
deleteDemo();
s_guiHelper = new OpenGLGuiHelper(s_app, sUseOpenGL2);
s_guiHelper->setVisualizerFlagCallback(OpenGLExampleBrowserVisualizerFlagCallback);
s_parameterInterface->removeAllParameters();
CommonExampleOptions options(s_guiHelper, 1);
options.m_fileName = filename;
char fullPath[1024];
sprintf(fullPath, "%s", filename);
b3FileUtils::toLower(fullPath);
for (int i = 0; i < gFileImporterByExtension.size(); i++)
{
if (strstr(fullPath, gFileImporterByExtension[i].m_extension.c_str()))
{
sCurrentDemo = gFileImporterByExtension[i].m_createFunc(options);
}
}
if (sCurrentDemo)
{
sCurrentDemo->initPhysics();
sCurrentDemo->resetCamera();
}
}
void selectDemo(int demoIndex)
{
bool resetCamera = (sCurrentDemoIndex != demoIndex);
sCurrentDemoIndex = demoIndex;
sCurrentHightlighted = demoIndex;
int numDemos = gAllExamples->getNumRegisteredExamples();
if (demoIndex > numDemos)
{
demoIndex = 0;
}
deleteDemo();
CommonExampleInterface::CreateFunc* func = gAllExamples->getExampleCreateFunc(demoIndex);
if (func)
{
if (s_parameterInterface)
{
s_parameterInterface->removeAllParameters();
}
int option = gAllExamples->getExampleOption(demoIndex);
s_guiHelper = new OpenGLGuiHelper(s_app, sUseOpenGL2);
s_guiHelper->setVisualizerFlagCallback(OpenGLExampleBrowserVisualizerFlagCallback);
CommonExampleOptions options(s_guiHelper, option);
options.m_sharedMem = sSharedMem;
sCurrentDemo = (*func)(options);
if (sCurrentDemo)
{
if (gui2)
{
gui2->setStatusBarMessage("Status: OK", false);
}
b3Printf("Selected demo: %s", gAllExamples->getExampleName(demoIndex));
if (gui2)
{
gui2->setExampleDescription(gAllExamples->getExampleDescription(demoIndex));
}
sCurrentDemo->initPhysics();
if (resetCamera)
{
sCurrentDemo->resetCamera();
}
}
}
}
#include <stdio.h>
static void saveCurrentSettings(int currentEntry, const char* startFileName)
{
FILE* f = fopen(startFileName, "w");
if (f)
{
fprintf(f, "--start_demo_name=%s\n", gAllExamples->getExampleName(sCurrentDemoIndex));
fprintf(f, "--mouse_move_multiplier=%f\n", s_app->getMouseMoveMultiplier());
fprintf(f, "--mouse_wheel_multiplier=%f\n", s_app->getMouseWheelMultiplier());
float red, green, blue;
s_app->getBackgroundColor(&red, &green, &blue);
fprintf(f, "--background_color_red= %f\n", red);
fprintf(f, "--background_color_green= %f\n", green);
fprintf(f, "--background_color_blue= %f\n", blue);
fprintf(f, "--fixed_timestep= %f\n", gFixedTimeStep);
if (!gAllowRetina)
{
fprintf(f, "--disable_retina");
}
if (enable_experimental_opencl)
{
fprintf(f, "--enable_experimental_opencl\n");
}
// if (sUseOpenGL2 )
// {
// fprintf(f,"--opengl2\n");
// }
fclose(f);
}
};
static void loadCurrentSettings(const char* startFileName, b3CommandLineArgs& args)
{
//int currentEntry= 0;
FILE* f = fopen(startFileName, "r");
if (f)
{
char oneline[1024];
char* argv[] = {0, &oneline[0]};
while (fgets(oneline, 1024, f) != NULL)
{
char* pos;
if ((pos = strchr(oneline, '\n')) != NULL)
*pos = '\0';
args.addArgs(2, argv);
}
fclose(f);
}
};
void MyComboBoxCallback(int comboId, const char* item)
{
//printf("comboId = %d, item = %s\n",comboId, item);
if (comboId == DEMO_SELECTION_COMBOBOX)
{
//find selected item
for (int i = 0; i < allNames.size(); i++)
{
if (strcmp(item, allNames[i]) == 0)
{
selectDemo(i);
saveCurrentSettings(sCurrentDemoIndex, startFileName);
break;
}
}
}
}
//in case of multi-threading, don't submit messages while the GUI is rendering (causing crashes)
static bool gBlockGuiMessages = false;
void MyGuiPrintf(const char* msg)
{
printf("b3Printf: %s\n", msg);
if (!gDisableDemoSelection && !gBlockGuiMessages)
{
gui2->textOutput(msg);
gui2->forceUpdateScrollBars();
}
}
void MyStatusBarPrintf(const char* msg)
{
printf("b3Printf: %s\n", msg);
if (!gDisableDemoSelection && !gBlockGuiMessages)
{
bool isLeft = true;
gui2->setStatusBarMessage(msg, isLeft);
}
}
void MyStatusBarError(const char* msg)
{
printf("Warning: %s\n", msg);
if (!gDisableDemoSelection && !gBlockGuiMessages)
{
bool isLeft = false;
gui2->setStatusBarMessage(msg, isLeft);
gui2->textOutput(msg);
gui2->forceUpdateScrollBars();
}
btAssert(0);
}
struct MyMenuItemHander : public Gwen::Event::Handler
{
int m_buttonId;
MyMenuItemHander(int buttonId)
: m_buttonId(buttonId)
{
}
void onButtonA(Gwen::Controls::Base* pControl)
{
//const Gwen::String& name = pControl->GetName();
Gwen::Controls::TreeNode* node = (Gwen::Controls::TreeNode*)pControl;
// Gwen::Controls::Label* l = node->GetButton();
Gwen::UnicodeString la = node->GetButton()->GetText(); // node->GetButton()->GetName();// GetText();
Gwen::String laa = Gwen::Utility::UnicodeToString(la);
// const char* ha = laa.c_str();
//printf("selected %s\n", ha);
//int dep = but->IsDepressed();
//int tog = but->GetToggleState();
// if (m_data->m_toggleButtonCallback)
// (*m_data->m_toggleButtonCallback)(m_buttonId, tog);
}
void onButtonB(Gwen::Controls::Base* pControl)
{
Gwen::Controls::Label* label = (Gwen::Controls::Label*)pControl;
Gwen::UnicodeString la = label->GetText(); // node->GetButton()->GetName();// GetText();
Gwen::String laa = Gwen::Utility::UnicodeToString(la);
//const char* ha = laa.c_str();
if (!gDisableDemoSelection)
{
selectDemo(sCurrentHightlighted);
saveCurrentSettings(sCurrentDemoIndex, startFileName);
}
}
void onButtonC(Gwen::Controls::Base* pControl)
{
/*Gwen::Controls::Label* label = (Gwen::Controls::Label*) pControl;
Gwen::UnicodeString la = label->GetText();// node->GetButton()->GetName();// GetText();
Gwen::String laa = Gwen::Utility::UnicodeToString(la);
const char* ha = laa.c_str();
printf("onButtonC ! %s\n", ha);
*/
}
void onButtonD(Gwen::Controls::Base* pControl)
{
/* Gwen::Controls::Label* label = (Gwen::Controls::Label*) pControl;
Gwen::UnicodeString la = label->GetText();// node->GetButton()->GetName();// GetText();
Gwen::String laa = Gwen::Utility::UnicodeToString(la);
const char* ha = laa.c_str();
*/
// printf("onKeyReturn ! \n");
if (!gDisableDemoSelection)
{
selectDemo(sCurrentHightlighted);
saveCurrentSettings(sCurrentDemoIndex, startFileName);
}
}
void onButtonE(Gwen::Controls::Base* pControl)
{
// printf("select %d\n",m_buttonId);
sCurrentHightlighted = m_buttonId;
gui2->setExampleDescription(gAllExamples->getExampleDescription(sCurrentHightlighted));
}
void onButtonF(Gwen::Controls::Base* pControl)
{
//printf("selection changed!\n");
}
void onButtonG(Gwen::Controls::Base* pControl)
{
//printf("onButtonG !\n");
}
};
void quitCallback()
{
s_window->setRequestExit();
}
void fileOpenCallback()
{
char filename[1024];
int len = s_window->fileOpenDialog(filename, 1024);
if (len)
{
//todo(erwincoumans) check if it is actually URDF
//printf("file open:%s\n", filename);
openFileDemo(filename);
}
}
#define MAX_GRAPH_WINDOWS 5
struct QuickCanvas : public Common2dCanvasInterface
{
GL3TexLoader* m_myTexLoader;
MyGraphWindow* m_gw[MAX_GRAPH_WINDOWS];
GraphingTexture* m_gt[MAX_GRAPH_WINDOWS];
int m_curNumGraphWindows;
QuickCanvas(GL3TexLoader* myTexLoader)
: m_myTexLoader(myTexLoader),
m_curNumGraphWindows(0)
{
for (int i = 0; i < MAX_GRAPH_WINDOWS; i++)
{
m_gw[i] = 0;
m_gt[i] = 0;
}
}
virtual ~QuickCanvas() {}
virtual int createCanvas(const char* canvasName, int width, int height, int xPos, int yPos)
{
if (m_curNumGraphWindows < MAX_GRAPH_WINDOWS)
{
//find a slot
int slot = m_curNumGraphWindows;
btAssert(slot < MAX_GRAPH_WINDOWS);
if (slot >= MAX_GRAPH_WINDOWS)
return 0; //don't crash
m_curNumGraphWindows++;
MyGraphInput input(gui2->getInternalData());
input.m_width = width;
input.m_height = height;
input.m_xPos = xPos;
input.m_yPos = yPos;
input.m_name = canvasName;
input.m_texName = canvasName;
m_gt[slot] = new GraphingTexture;
m_gt[slot]->create(width, height);
int texId = m_gt[slot]->getTextureId();
m_myTexLoader->m_hashMap.insert(canvasName, texId);
m_gw[slot] = setupTextureWindow(input);
return slot;
}
return -1;
}
virtual void destroyCanvas(int canvasId)
{
btAssert(canvasId >= 0);
delete m_gt[canvasId];
m_gt[canvasId] = 0;
destroyTextureWindow(m_gw[canvasId]);
m_gw[canvasId] = 0;
m_curNumGraphWindows--;
}
virtual void setPixel(int canvasId, int x, int y, unsigned char red, unsigned char green, unsigned char blue, unsigned char alpha)
{
btAssert(canvasId >= 0);
btAssert(canvasId < m_curNumGraphWindows);
m_gt[canvasId]->setPixel(x, y, red, green, blue, alpha);
}
virtual void getPixel(int canvasId, int x, int y, unsigned char& red, unsigned char& green, unsigned char& blue, unsigned char& alpha)
{
btAssert(canvasId >= 0);
btAssert(canvasId < m_curNumGraphWindows);
m_gt[canvasId]->getPixel(x, y, red, green, blue, alpha);
}
virtual void refreshImageData(int canvasId)
{
m_gt[canvasId]->uploadImageData();
}
};
OpenGLExampleBrowser::OpenGLExampleBrowser(class ExampleEntries* examples)
{
m_internalData = new OpenGLExampleBrowserInternalData;
gAllExamples = examples;
}
OpenGLExampleBrowser::~OpenGLExampleBrowser()
{
deleteDemo();
for (int i = 0; i < m_internalData->m_nodes.size(); i++)
{
delete m_internalData->m_nodes[i];
}
delete m_internalData->m_handler2;
for (int i = 0; i < m_internalData->m_handlers.size(); i++)
{
delete m_internalData->m_handlers[i];
}
m_internalData->m_handlers.clear();
m_internalData->m_nodes.clear();
delete s_parameterInterface;
s_parameterInterface = 0;
delete s_app->m_2dCanvasInterface;
s_app->m_2dCanvasInterface = 0;
#ifndef BT_NO_PROFILE
destroyProfileWindow(m_internalData->m_profWindow);
#endif
m_internalData->m_gui->exit();
delete m_internalData->m_gui;
delete m_internalData->m_gwenRenderer;
delete m_internalData->m_myTexLoader;
delete m_internalData->m_app;
s_app = 0;
delete m_internalData;
gFileImporterByExtension.clear();
gAllExamples = 0;
}
#include "EmptyExample.h"
bool OpenGLExampleBrowser::init(int argc, char* argv[])
{
b3CommandLineArgs args(argc, argv);
loadCurrentSettings(startFileName, args);
if (args.CheckCmdLineFlag("nogui"))
{
renderGrid = false;
renderGui = false;
}
if (args.CheckCmdLineFlag("tracing"))
{
b3ChromeUtilsStartTimings();
}
args.GetCmdLineArgument("fixed_timestep", gFixedTimeStep);
args.GetCmdLineArgument("png_skip_frames", gPngSkipFrames);
///The OpenCL rigid body pipeline is experimental and
///most OpenCL drivers and OpenCL compilers have issues with our kernels.
///If you have a high-end desktop GPU such as AMD 7970 or better, or NVIDIA GTX 680 with up-to-date drivers
///you could give it a try
///Note that several old OpenCL physics examples still have to be ported over to this new Example Browser
if (args.CheckCmdLineFlag("enable_experimental_opencl"))
{
enable_experimental_opencl = true;
gAllExamples->initOpenCLExampleEntries();
}
if (args.CheckCmdLineFlag("disable_retina"))
{
gAllowRetina = false;
}
int width = 1024;
int height = 768;
if (args.CheckCmdLineFlag("width"))
{
args.GetCmdLineArgument("width", width);
}
if (args.CheckCmdLineFlag("height"))
{
args.GetCmdLineArgument("height", height);
}
#ifndef NO_OPENGL3
SimpleOpenGL3App* simpleApp = 0;
sUseOpenGL2 = args.CheckCmdLineFlag("opengl2");
args.GetCmdLineArgument("render_device", gRenderDevice);
args.GetCmdLineArgument("window_backend", gWindowBackend);
#else
sUseOpenGL2 = true;
#endif
const char* appTitle = "Bullet Physics ExampleBrowser";
#if defined(_DEBUG) || defined(DEBUG)
const char* optMode = "Debug build (slow)";
#else
const char* optMode = "Release build";
#endif
#ifdef B3_USE_GLFW
const char* glContext = "[glfw]";
#else
const char* glContext = "[btgl]";
#endif
if (sUseOpenGL2)
{
char title[1024];
sprintf(title, "%s using limited OpenGL2 fallback %s %s", appTitle, glContext, optMode);
s_app = new SimpleOpenGL2App(title, width, height);
s_app->m_renderer = new SimpleOpenGL2Renderer(width, height);
}
#ifndef NO_OPENGL3
else
{
char title[1024];
sprintf(title, "%s using OpenGL3+ %s %s", appTitle, glContext, optMode);
simpleApp = new SimpleOpenGL3App(title, width, height, gAllowRetina, gWindowBackend, gRenderDevice);
s_app = simpleApp;
}
#endif
m_internalData->m_app = s_app;
char* gVideoFileName = 0;
args.GetCmdLineArgument("mp4", gVideoFileName);
int gVideoFps = 0;
args.GetCmdLineArgument("mp4fps", gVideoFps);
if (gVideoFps)
{
simpleApp->setMp4Fps(gVideoFps);
}
#ifndef NO_OPENGL3
if (gVideoFileName)
simpleApp->dumpFramesToVideo(gVideoFileName);
#endif
s_instancingRenderer = s_app->m_renderer;
s_window = s_app->m_window;
width = s_window->getWidth();
height = s_window->getHeight();
prevMouseMoveCallback = s_window->getMouseMoveCallback();
s_window->setMouseMoveCallback(MyMouseMoveCallback);
prevMouseButtonCallback = s_window->getMouseButtonCallback();
s_window->setMouseButtonCallback(MyMouseButtonCallback);
prevKeyboardCallback = s_window->getKeyboardCallback();
s_window->setKeyboardCallback(MyKeyboardCallback);
s_app->m_renderer->getActiveCamera()->setCameraDistance(13);
s_app->m_renderer->getActiveCamera()->setCameraPitch(0);
s_app->m_renderer->getActiveCamera()->setCameraTargetPosition(0, 0, 0);
float mouseMoveMult = s_app->getMouseMoveMultiplier();
if (args.GetCmdLineArgument("mouse_move_multiplier", mouseMoveMult))
{
s_app->setMouseMoveMultiplier(mouseMoveMult);
}
float mouseWheelMult = s_app->getMouseWheelMultiplier();
if (args.GetCmdLineArgument("mouse_wheel_multiplier", mouseWheelMult))
{
s_app->setMouseWheelMultiplier(mouseWheelMult);
}
args.GetCmdLineArgument("shared_memory_key", gSharedMemoryKey);
float red, green, blue;
s_app->getBackgroundColor(&red, &green, &blue);
args.GetCmdLineArgument("background_color_red", red);
args.GetCmdLineArgument("background_color_green", green);
args.GetCmdLineArgument("background_color_blue", blue);
s_app->setBackgroundColor(red, green, blue);
b3SetCustomWarningMessageFunc(MyGuiPrintf);
b3SetCustomPrintfFunc(MyGuiPrintf);
b3SetCustomErrorMessageFunc(MyStatusBarError);
assert(glGetError() == GL_NO_ERROR);
{
GL3TexLoader* myTexLoader = new GL3TexLoader;
m_internalData->m_myTexLoader = myTexLoader;
if (sUseOpenGL2)
{
m_internalData->m_gwenRenderer = new Gwen::Renderer::OpenGL_DebugFont(s_window->getRetinaScale());
}
#ifndef NO_OPENGL3
else
{
sth_stash* fontstash = simpleApp->getFontStash();
m_internalData->m_gwenRenderer = new GwenOpenGL3CoreRenderer(simpleApp->m_primRenderer, fontstash, width, height, s_window->getRetinaScale(), myTexLoader);
}
#endif
gui2 = new GwenUserInterface;
m_internalData->m_gui = gui2;
m_internalData->m_myTexLoader = myTexLoader;
gui2->init(width, height, m_internalData->m_gwenRenderer, s_window->getRetinaScale());
}
//gui = 0;// new GwenUserInterface;
GL3TexLoader* myTexLoader = m_internalData->m_myTexLoader;
// = myTexLoader;
//
if (gui2)
{
// gui->getInternalData()->m_explorerPage
Gwen::Controls::TreeControl* tree = gui2->getInternalData()->m_explorerTreeCtrl;
//gui->getInternalData()->pRenderer->setTextureLoader(myTexLoader);
#ifndef BT_NO_PROFILE
s_profWindow = setupProfileWindow(gui2->getInternalData());
m_internalData->m_profWindow = s_profWindow;
profileWindowSetVisible(s_profWindow, false);
#endif //BT_NO_PROFILE
gui2->setFocus();
s_parameterInterface = s_app->m_parameterInterface = new GwenParameterInterface(gui2->getInternalData());
s_app->m_2dCanvasInterface = new QuickCanvas(myTexLoader);
///add some demos to the gAllExamples
int numDemos = gAllExamples->getNumRegisteredExamples();
//char nodeText[1024];
//int curDemo = 0;
int selectedDemo = 0;
Gwen::Controls::TreeNode* curNode = tree;
m_internalData->m_handler2 = new MyMenuItemHander(-1);
char* demoNameFromCommandOption = 0;
args.GetCmdLineArgument("start_demo_name", demoNameFromCommandOption);
if (demoNameFromCommandOption)
{
selectedDemo = -1;
}
tree->onReturnKeyDown.Add(m_internalData->m_handler2, &MyMenuItemHander::onButtonD);
int firstAvailableDemoIndex = -1;
Gwen::Controls::TreeNode* firstNode = 0;
for (int d = 0; d < numDemos; d++)
{
// sprintf(nodeText, "Node %d", i);
Gwen::UnicodeString nodeUText = Gwen::Utility::StringToUnicode(gAllExamples->getExampleName(d));
if (gAllExamples->getExampleCreateFunc(d)) //was test for gAllExamples[d].m_menuLevel==1
{
Gwen::Controls::TreeNode* pNode = curNode->AddNode(nodeUText);
if (firstAvailableDemoIndex < 0)
{
firstAvailableDemoIndex = d;
firstNode = pNode;
}
if (d == selectedDemo)
{
firstAvailableDemoIndex = d;
firstNode = pNode;
//pNode->SetSelected(true);
//tree->ExpandAll();
// tree->ForceUpdateScrollBars();
//tree->OnKeyLeft(true);
// tree->OnKeyRight(true);
//tree->ExpandAll();
// selectDemo(d);
}
if (demoNameFromCommandOption)
{
const char* demoName = gAllExamples->getExampleName(d);
int res = strcmp(demoName, demoNameFromCommandOption);
if (res == 0)
{
firstAvailableDemoIndex = d;
firstNode = pNode;
}
}
#if 1
MyMenuItemHander* handler = new MyMenuItemHander(d);
m_internalData->m_handlers.push_back(handler);
pNode->onNamePress.Add(handler, &MyMenuItemHander::onButtonA);
pNode->GetButton()->onDoubleClick.Add(handler, &MyMenuItemHander::onButtonB);
pNode->GetButton()->onDown.Add(handler, &MyMenuItemHander::onButtonC);
pNode->onSelect.Add(handler, &MyMenuItemHander::onButtonE);
pNode->onReturnKeyDown.Add(handler, &MyMenuItemHander::onButtonG);
pNode->onSelectChange.Add(handler, &MyMenuItemHander::onButtonF);
#endif
// pNode->onKeyReturn.Add(handler, &MyMenuItemHander::onButtonD);
// pNode->GetButton()->onKeyboardReturn.Add(handler, &MyMenuItemHander::onButtonD);
// pNode->onNamePress.Add(handler, &MyMenuItemHander::onButtonD);
// pNode->onKeyboardPressed.Add(handler, &MyMenuItemHander::onButtonD);
// pNode->OnKeyPress
}
else
{
curNode = tree->AddNode(nodeUText);
m_internalData->m_nodes.push_back(curNode);
}
}
if (sCurrentDemo == 0)
{
if (firstAvailableDemoIndex >= 0)
{
firstNode->SetSelected(true);
while (firstNode != tree)
{
firstNode->ExpandAll();
firstNode = (Gwen::Controls::TreeNode*)firstNode->GetParent();
}
selectDemo(firstAvailableDemoIndex);
}
}
free(demoNameFromCommandOption);
demoNameFromCommandOption = 0;
btAssert(sCurrentDemo != 0);
if (sCurrentDemo == 0)
{
printf("Error, no demo/example\n");
exit(0);
}
gui2->registerFileOpenCallback(fileOpenCallback);
gui2->registerQuitCallback(quitCallback);
}
return true;
}
CommonExampleInterface* OpenGLExampleBrowser::getCurrentExample()
{
btAssert(sCurrentDemo);
return sCurrentDemo;
}
bool OpenGLExampleBrowser::requestedExit()
{
return s_window->requestedExit();
}
void OpenGLExampleBrowser::updateGraphics()
{
if (sCurrentDemo)
{
if (!pauseSimulation || singleStepSimulation)
{
//B3_PROFILE("sCurrentDemo->updateGraphics");
sCurrentDemo->updateGraphics();
}
}
}
void OpenGLExampleBrowser::update(float deltaTime)
{
b3ChromeUtilsEnableProfiling();
if (!gEnableRenderLoop && !singleStepSimulation)
{
B3_PROFILE("updateGraphics");
sCurrentDemo->updateGraphics();
return;
}
B3_PROFILE("OpenGLExampleBrowser::update");
//assert(glGetError() == GL_NO_ERROR);
{
B3_PROFILE("s_instancingRenderer");
s_instancingRenderer->init();
}
DrawGridData dg;
dg.upAxis = s_app->getUpAxis();
{
BT_PROFILE("Update Camera and Light");
s_instancingRenderer->updateCamera(dg.upAxis);
}
static int frameCount = 0;
frameCount++;
if (0)
{
BT_PROFILE("Draw frame counter");
char bla[1024];
sprintf(bla, "Frame %d", frameCount);
s_app->drawText(bla, 10, 10);
}
if (gPngFileName)
{
static int skip = 0;
skip--;
if (skip < 0)
{
skip = gPngSkipFrames;
//printf("gPngFileName=%s\n",gPngFileName);
static int s_frameCount = 0;
sprintf(staticPngFileName, "%s%d.png", gPngFileName, s_frameCount++);
//b3Printf("Made screenshot %s",staticPngFileName);
s_app->dumpNextFrameToPng(staticPngFileName);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
}
}
if (sCurrentDemo)
{
if (!pauseSimulation || singleStepSimulation)
{
//printf("---------------------------------------------------\n");
//printf("Framecount = %d\n",frameCount);
B3_PROFILE("sCurrentDemo->stepSimulation");
if (gFixedTimeStep > 0)
{
sCurrentDemo->stepSimulation(gFixedTimeStep);
}
else
{
sCurrentDemo->stepSimulation(deltaTime); //1./60.f);
}
}
if (renderGrid)
{
BT_PROFILE("Draw Grid");
//glPolygonOffset(3.0, 3);
//glEnable(GL_POLYGON_OFFSET_FILL);
s_app->drawGrid(dg);
}
if (renderVisualGeometry && ((gDebugDrawFlags & btIDebugDraw::DBG_DrawWireframe) == 0))
{
if (visualWireframe)
{
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
}
BT_PROFILE("Render Scene");
sCurrentDemo->renderScene();
}
else
{
B3_PROFILE("physicsDebugDraw");
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
sCurrentDemo->physicsDebugDraw(gDebugDrawFlags);
}
}
{
if (gui2 && s_guiHelper && s_guiHelper->getRenderInterface() && s_guiHelper->getRenderInterface()->getActiveCamera())
{
B3_PROFILE("setStatusBarMessage");
char msg[1024];
float camDist = s_guiHelper->getRenderInterface()->getActiveCamera()->getCameraDistance();
float pitch = s_guiHelper->getRenderInterface()->getActiveCamera()->getCameraPitch();
float yaw = s_guiHelper->getRenderInterface()->getActiveCamera()->getCameraYaw();
float camTarget[3];
float camPos[3];
s_guiHelper->getRenderInterface()->getActiveCamera()->getCameraPosition(camPos);
s_guiHelper->getRenderInterface()->getActiveCamera()->getCameraTargetPosition(camTarget);
sprintf(msg, "camTargetPos=%2.2f,%2.2f,%2.2f, dist=%2.2f, pitch=%2.2f, yaw=%2.2f", camTarget[0], camTarget[1], camTarget[2], camDist, pitch, yaw);
gui2->setStatusBarMessage(msg, true);
}
}
static int toggle = 1;
if (renderGui)
{
B3_PROFILE("renderGui");
#ifndef BT_NO_PROFILE
if (!pauseSimulation || singleStepSimulation)
{
if (isProfileWindowVisible(s_profWindow))
{
processProfileData(s_profWindow, false);
}
}
#endif //#ifndef BT_NO_PROFILE
{
B3_PROFILE("updateOpenGL");
if (sUseOpenGL2)
{
saveOpenGLState(s_instancingRenderer->getScreenWidth() * s_window->getRetinaScale(), s_instancingRenderer->getScreenHeight() * s_window->getRetinaScale());
}
if (m_internalData->m_gui)
{
gBlockGuiMessages = true;
m_internalData->m_gui->draw(s_instancingRenderer->getScreenWidth(), s_instancingRenderer->getScreenHeight());
gBlockGuiMessages = false;
}
if (sUseOpenGL2)
{
restoreOpenGLState();
}
}
}
singleStepSimulation = false;
toggle = 1 - toggle;
{
BT_PROFILE("Sync Parameters");
if (s_parameterInterface)
{
s_parameterInterface->syncParameters();
}
}
{
BT_PROFILE("Swap Buffers");
s_app->swapBuffer();
}
if (gui2)
{
B3_PROFILE("forceUpdateScrollBars");
gui2->forceUpdateScrollBars();
}
}
void OpenGLExampleBrowser::setSharedMemoryInterface(class SharedMemoryInterface* sharedMem)
{
gDisableDemoSelection = true;
sSharedMem = sharedMem;
}