Files
OpenSpace/modules/onscreengui/src/gui.cpp
2016-05-03 13:24:17 -04:00

1055 lines
36 KiB
C++

/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014-2016 *
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
* software and associated documentation files (the "Software"), to deal in the Software *
* without restriction, including without limitation the rights to use, copy, modify, *
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
* permit persons to whom the Software is furnished to do so, subject to the following *
* conditions: *
* *
* The above copyright notice and this permission notice shall be included in all copies *
* or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
****************************************************************************************/
#include <modules/onscreengui/include/gui.h>
#include <ghoul/opengl/ghoul_gl.h>
#include <openspace/util/keys.h>
#include <openspace/engine/openspaceengine.h>
#include <ghoul/filesystem/filesystem.h>
#include <ghoul/filesystem/cachemanager.h>
#include <openspace/properties/property.h>
#include <openspace/rendering/renderengine.h>
#include <openspace/rendering/screenspacerenderable.h>
#include <modules/base/rendering/screenspaceimage.h>
#include <modules/iswa/util/iswamanager.h>
#include <ghoul/opengl/ghoul_gl.h>
#include <ghoul/opengl/programobject.h>
#include <ghoul/opengl/textureunit.h>
#include <imgui.h>
namespace {
const std::string _loggerCat = "GUI";
const std::string configurationFile = "imgui.ini";
const ImVec2 size = ImVec2(350, 500);
GLuint fontTex = 0;
GLint positionLocation = 0;
GLint uvLocation = 0;
GLint colorLocation = 0;
size_t vboMaxSize = 20000;
GLuint vao = 0;
GLuint vbo = 0;
std::unique_ptr<ghoul::opengl::ProgramObject> _program;
static void ImImpl_RenderDrawLists(ImDrawList** const commandLists, int nCommandLists) {
if (nCommandLists == 0)
return;
// Setup render state: alpha-blending enabled, no face culling, no depth testing, scissor enabled
glEnable(GL_BLEND);
glBlendEquation(GL_FUNC_ADD);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glDisable(GL_CULL_FACE);
glDisable(GL_DEPTH_TEST);
glEnable(GL_SCISSOR_TEST);
ghoul::opengl::TextureUnit unit;
unit.activate();
glBindTexture(GL_TEXTURE_2D, fontTex);
// Setup orthographic projection matrix
const float width = ImGui::GetIO().DisplaySize.x;
const float height = ImGui::GetIO().DisplaySize.y;
const glm::mat4 ortho(
2.f / width, 0.0f, 0.0f, 0.0f,
0.0f, 2.0f / -height, 0.0f, 0.0f,
0.0f, 0.0f, -1.0f, 0.0f,
-1.0f, 1.0f, 0.0f, 1.0f
);
_program->activate();
_program->setUniform("tex", unit);
_program->setUniform("ortho", ortho);
// Grow our buffer according to what we need
size_t total_vtx_count = 0;
for (int n = 0; n < nCommandLists; n++)
total_vtx_count += commandLists[n]->vtx_buffer.size();
glBindBuffer(GL_ARRAY_BUFFER, vbo);
// @BUGFIX @HACK The imgui crashes on complex scenes without the * 2 ---abock
size_t neededBufferSize = total_vtx_count * sizeof(ImDrawVert) * 2;
if (neededBufferSize > vboMaxSize) {
vboMaxSize = neededBufferSize + 5000; // Grow buffer
glBufferData(GL_ARRAY_BUFFER, neededBufferSize, NULL, GL_STREAM_DRAW);
}
// Copy and convert all vertices into a single contiguous buffer
unsigned char* buffer_data = (unsigned char*)glMapBuffer(GL_ARRAY_BUFFER, GL_WRITE_ONLY);
if (!buffer_data)
return;
for (int n = 0; n < nCommandLists; ++n) {
const ImDrawList* cmd_list = commandLists[n];
memcpy(buffer_data, &cmd_list->vtx_buffer[0], cmd_list->vtx_buffer.size() * sizeof(ImDrawVert));
buffer_data += cmd_list->vtx_buffer.size() * sizeof(ImDrawVert);
}
glUnmapBuffer(GL_ARRAY_BUFFER);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindVertexArray(vao);
int cmd_offset = 0;
for (int n = 0; n < nCommandLists; ++n) {
const ImDrawList* cmd_list = commandLists[n];
int vtx_offset = cmd_offset;
for (auto pcmd : cmd_list->commands) {
glScissor((int)pcmd.clip_rect.x, (int)(height - pcmd.clip_rect.w), (int)(pcmd.clip_rect.z - pcmd.clip_rect.x), (int)(pcmd.clip_rect.w - pcmd.clip_rect.y));
glDrawArrays(GL_TRIANGLES, vtx_offset, pcmd.vtx_count);
vtx_offset += pcmd.vtx_count;
}
cmd_offset = vtx_offset;
}
glBindVertexArray(0);
_program->deactivate();
glDisable(GL_SCISSOR_TEST);
glBindTexture(GL_TEXTURE_2D, 0);
}
}
namespace openspace {
void addScreenSpaceRenderable(std::string texturePath){
std::string filepath ="${OPENSPACE_DATA}/"+texturePath;
if( ! FileSys.fileExists(filepath)) {
LWARNING("Could not find image '" << filepath << "'");
return;
}
OsEng.renderEngine().registerScreenSpaceRenderable(std::make_shared<ScreenSpaceImage>(filepath));
}
namespace gui {
GUI::GUI()
: _isEnabled(false)
, _showHelp(false)
{
}
GUI::~GUI() {
ImGui::Shutdown();
}
bool GUI::isEnabled() const {
return _isEnabled;
}
void GUI::setEnabled(bool enabled) {
_isEnabled = enabled;
}
void GUI::initialize() {
std::string cachedFile = FileSys.cacheManager()->cachedFilename(
configurationFile, "", ghoul::filesystem::CacheManager::Persistent::Yes
);
char* buffer = new char[cachedFile.size() + 1];
#ifdef WIN32
strcpy_s(buffer, cachedFile.size() + 1, cachedFile.c_str());
#else
strcpy(buffer, cachedFile.c_str());
#endif
ImGuiIO& io = ImGui::GetIO();
io.IniFilename = buffer;
//io.IniSavingRate = 5.f;
io.DeltaTime = 1.f / 60.f;
//io.PixelCenterOffset = 0.5f;
io.KeyMap[ImGuiKey_Tab] = static_cast<int>(Key::Tab);
io.KeyMap[ImGuiKey_LeftArrow] = static_cast<int>(Key::Left);
io.KeyMap[ImGuiKey_RightArrow] = static_cast<int>(Key::Right);
io.KeyMap[ImGuiKey_UpArrow] = static_cast<int>(Key::Up);
io.KeyMap[ImGuiKey_DownArrow] = static_cast<int>(Key::Down);
io.KeyMap[ImGuiKey_Home] = static_cast<int>(Key::Home);
io.KeyMap[ImGuiKey_End] = static_cast<int>(Key::End);
io.KeyMap[ImGuiKey_Delete] = static_cast<int>(Key::Delete);
io.KeyMap[ImGuiKey_Backspace] = static_cast<int>(Key::BackSpace);
io.KeyMap[ImGuiKey_Enter] = static_cast<int>(Key::Enter);
io.KeyMap[ImGuiKey_Escape] = static_cast<int>(Key::Escape);
io.KeyMap[ImGuiKey_A] = static_cast<int>(Key::A);
io.KeyMap[ImGuiKey_C] = static_cast<int>(Key::C);
io.KeyMap[ImGuiKey_V] = static_cast<int>(Key::V);
io.KeyMap[ImGuiKey_X] = static_cast<int>(Key::X);
io.KeyMap[ImGuiKey_Y] = static_cast<int>(Key::Y);
io.KeyMap[ImGuiKey_Z] = static_cast<int>(Key::Z);
io.RenderDrawListsFn = ImImpl_RenderDrawLists;
//io.SetClipboardTextFn = ImImpl_SetClipboardTextFn; // @TODO implement? ---abock
//io.GetClipboardTextFn = ImImpl_GetClipboardTextFn; // @TODO implement? ---abock
_property.initialize();
_iSWAproperty.initialize();
_screenSpaceProperty.initialize();
_performance.initialize();
_help.initialize();
}
void GUI::initializeGL() {
_program = ghoul::opengl::ProgramObject::Build(
"GUI",
"${MODULE_ONSCREENGUI}/shaders/gui_vs.glsl",
"${MODULE_ONSCREENGUI}/shaders/gui_fs.glsl"
);
if (!_program)
return;
positionLocation = glGetAttribLocation(*_program, "in_position");
uvLocation = glGetAttribLocation(*_program, "in_uv");
colorLocation = glGetAttribLocation(*_program, "in_color");
glGenTextures(1, &fontTex);
glBindTexture(GL_TEXTURE_2D, fontTex);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
unsigned char* png_data;
int tex_x, tex_y;
ImGui::GetIO().Fonts->GetTexDataAsRGBA32(&png_data, &tex_x, &tex_y);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, tex_x, tex_y, 0, GL_RGBA, GL_UNSIGNED_BYTE, png_data);
//stbi_image_free(tex_data);
glGenBuffers(1, &vbo);
glBindBuffer(GL_ARRAY_BUFFER, vbo);
glBufferData(GL_ARRAY_BUFFER, vboMaxSize, NULL, GL_DYNAMIC_DRAW);
glGenVertexArrays(1, &vao);
glBindVertexArray(vao);
glBindBuffer(GL_ARRAY_BUFFER, vbo);
glEnableVertexAttribArray(positionLocation);
glEnableVertexAttribArray(uvLocation);
glEnableVertexAttribArray(colorLocation);
glVertexAttribPointer(positionLocation, 2, GL_FLOAT, GL_FALSE, sizeof(ImDrawVert), (GLvoid*)offsetof(ImDrawVert, pos));
glVertexAttribPointer(uvLocation, 2, GL_FLOAT, GL_FALSE, sizeof(ImDrawVert), (GLvoid*)offsetof(ImDrawVert, uv));
glVertexAttribPointer(colorLocation, 4, GL_UNSIGNED_BYTE, GL_TRUE, sizeof(ImDrawVert), (GLvoid*)offsetof(ImDrawVert, col));
glBindVertexArray(0);
glBindBuffer(GL_ARRAY_BUFFER, 0);
_property.initializeGL();
_iSWAproperty.initializeGL();
_screenSpaceProperty.initializeGL();
_performance.initializeGL();
_help.initializeGL();
}
void GUI::deinitializeGL() {
_program = nullptr;
glDeleteVertexArrays(1, &vao);
glDeleteBuffers(1, &vbo);
_property.deinitializeGL();
_iSWAproperty.deinitializeGL();
_screenSpaceProperty.deinitializeGL();
_performance.deinitializeGL();
_help.deinitializeGL();
}
void GUI::startFrame(float deltaTime, const glm::vec2& windowSize,
const glm::vec2& mousePos,
uint32_t mouseButtonsPressed)
{
ImGuiIO& io = ImGui::GetIO();
io.DisplaySize = ImVec2(windowSize.x, windowSize.y);
io.DeltaTime = deltaTime;
#ifdef __APPLE__
io.MousePos = ImVec2(mousePos.x * 2, mousePos.y * 2);
#else
io.MousePos = ImVec2(mousePos.x, mousePos.y);
#endif
io.MouseDown[0] = mouseButtonsPressed & (1 << 0);
io.MouseDown[1] = mouseButtonsPressed & (1 << 1);
ImGui::NewFrame();
}
void GUI::endFrame() {
renderMainWindow();
if (_property.isEnabled())
_property.render();
if (_iSWAproperty.isEnabled())
_iSWAproperty.render();
if (_screenSpaceProperty.isEnabled())
_screenSpaceProperty.render();
if (_performance.isEnabled())
_performance.render();
if (_help.isEnabled())
_help.render();
ImGui::Render();
}
bool GUI::mouseButtonCallback(MouseButton button, MouseAction action) {
//bool GUI::mouseButtonCallback(int key, int action) {
ImGuiIO& io = ImGui::GetIO();
bool consumeEvent = io.WantCaptureMouse;
return consumeEvent;
}
bool GUI::mouseWheelCallback(double position) {
ImGuiIO& io = ImGui::GetIO();
bool consumeEvent = io.WantCaptureMouse;
if (consumeEvent)
io.MouseWheel = static_cast<float>(position);
return consumeEvent;
}
bool GUI::keyCallback(Key key, KeyModifier modifier, KeyAction action) {
//bool GUI::keyCallback(int key, int action) {
ImGuiIO& io = ImGui::GetIO();
bool consumeEvent = io.WantCaptureKeyboard;
if (consumeEvent) {
int keyIndex = static_cast<int>(key);
if (keyIndex < 0)
LERROR("Pressed key of index '" << keyIndex << "' was negative");
else {
if (action == KeyAction::Press)
io.KeysDown[keyIndex] = true;
if (action == KeyAction::Release)
io.KeysDown[keyIndex] = false;
}
}
return consumeEvent;
}
bool GUI::charCallback(unsigned int character, KeyModifier modifier) {
ImGuiIO& io = ImGui::GetIO();
bool consumeEvent = io.WantCaptureKeyboard;
if (consumeEvent)
io.AddInputCharacter((unsigned short)character);
return consumeEvent;
}
//void GUI::registerProperty(properties::Property* prop) {
// using namespace properties;
//
// std::string className = prop->className();
//
// if (className == "BoolProperty")
// _boolProperties.insert(prop);
// else if (className == "IntProperty")
// _intProperties.insert(prop);
// else if (className == "FloatProperty")
// _floatProperties.insert(prop);
// else if (className == "StringProperty")
// _stringProperties.insert(prop);
// else if (className == "Vec2Property")
// _vec2Properties.insert(prop);
// else if (className == "Vec3Property")
// _vec3Properties.insert(prop);
// else if (className == "Vec4Property")
// _vec4Properties.insert(prop);
// else if (className == "OptionProperty")
// _optionProperty.insert(prop);
// else if (className == "TriggerProperty")
// _triggerProperty.insert(prop);
// else if (className == "SelectionProperty")
// _selectionProperty.insert(prop);
// else {
// LWARNING("Class name '" << className << "' not handled in GUI generation");
// return;
// }
//
// std::string fullyQualifiedId = prop->fullyQualifiedIdentifier();
// size_t pos = fullyQualifiedId.find('.');
// std::string owner = fullyQualifiedId.substr(0, pos);
//
// auto it =_propertiesByOwner.find(owner);
// if (it == _propertiesByOwner.end())
// _propertiesByOwner[owner] = { prop };
// else
// it->second.push_back(prop);
//
//}
//>>>>>>> develop
void GUI::renderMainWindow() {
ImGui::Begin("OpenSpace GUI", nullptr);
ImGui::Checkbox("Scene Graph Properties", &_property._isEnabled);
ImGui::Checkbox("ScreenSpace Properties", &_screenSpaceProperty._isEnabled);
#ifdef OPENSPACE_MODULE_ISWA_ENABLED
ImGui::Checkbox("iSWA Properties", &_iSWAproperty._isEnabled);
#endif
ImGui::Checkbox("Performance", &_performance._isEnabled);
_origin.render();
_time.render();
// These are temporary until the scalegraph is in effect ---abock
bool toSun = ImGui::Button("Coordinate System to Sun");
bool toPluto = ImGui::Button("Coordinate System to Pluto");
bool toJupiter = ImGui::Button("Coordinate System to Jupiter");
bool to67P = ImGui::Button("Coordinate System to 67P");
if (toSun)
OsEng.scriptEngine().queueScript("openspace.setPropertyValue('Interaction.coordinateSystem', 'Sun');");
if (toPluto)
OsEng.scriptEngine().queueScript("openspace.setPropertyValue('Interaction.coordinateSystem', 'Pluto');");
if (toJupiter)
OsEng.scriptEngine().queueScript("openspace.setPropertyValue('Interaction.coordinateSystem', 'Jupiter');");
if (to67P)
OsEng.scriptEngine().queueScript("openspace.setPropertyValue('Interaction.coordinateSystem', '67P');");
ImGui::Checkbox("Help", &_help._isEnabled);
static const int addImageBufferSize = 256;
static char addImageBuffer[addImageBufferSize];
ImGui::InputText("addImage", addImageBuffer, addImageBufferSize);
if(ImGui::SmallButton("Add Image")){
addScreenSpaceRenderable(std::string(addImageBuffer));
}
#ifdef OPENSPACE_MODULE_ISWA_ENABLED
if(ISWAManager::isInitialized()){
static const int addCygnetBufferSize = 256;
static char addCygnetBuffer[addCygnetBufferSize];
ImGui::InputText("addCynget", addCygnetBuffer, addCygnetBufferSize);
if(ImGui::SmallButton("Add Cygnet")){
OsEng.scriptEngine().queueScript("openspace.iswa.addCygnet('"+std::string(addCygnetBuffer)+"');");
}
}
#endif
ImGui::End();
}
//<<<<<<< HEAD
namespace {
//=======
//void GUI::renderPropertyWindow() {
// using namespace properties;
//
// ImGui::Begin("Properties", &_showPropertyWindow, size, 0.5f);
//
// //ImGui::ShowUserGuide();
// ImGui::Spacing();
//
// for (const auto& p : _propertiesByOwner) {
// if (ImGui::CollapsingHeader(p.first.c_str())) {
// for (properties::Property* prop : p.second) {
// if (_boolProperties.find(prop) != _boolProperties.end()) {
// renderBoolProperty(prop, p.first);
// continue;
// }
//
// if (_intProperties.find(prop) != _intProperties.end()) {
// renderIntProperty(prop, p.first);
// continue;
// }
//
// if (_floatProperties.find(prop) != _floatProperties.end()) {
// renderFloatProperty(prop, p.first);
// continue;
// }
//
// if (_vec2Properties.find(prop) != _vec2Properties.end()) {
// renderVec2Property(prop, p.first);
// continue;
// }
//
// if (_vec3Properties.find(prop) != _vec3Properties.end()) {
// renderVec3Property(prop, p.first);
// continue;
// }
//
// if (_vec4Properties.find(prop) != _vec4Properties.end()) {
// renderVec4Property(prop, p.first);
// continue;
// }
//
// if (_optionProperty.find(prop) != _optionProperty.end()) {
// renderOptionProperty(prop, p.first);
// continue;
// }
//
// if (_triggerProperty.find(prop) != _triggerProperty.end()) {
// renderTriggerProperty(prop, p.first);
// continue;
// }
//
// if (_selectionProperty.find(prop) != _selectionProperty.end()) {
// renderSelectionProperty(prop, p.first);
// continue;
// }
// }
// }
// }
//
// ImGui::End();
//}
//
//void GUI::renderPerformanceWindow() {
// // Copy and paste from renderengine.cpp::storePerformanceMeasurements method
// const int8_t Version = 0;
// const int nValues = 250;
// const int lengthName = 256;
// const int maxValues = 50;
//
// struct PerformanceLayout {
// int8_t version;
// int32_t nValuesPerEntry;
// int32_t nEntries;
// int32_t maxNameLength;
// int32_t maxEntries;
//
// struct PerformanceLayoutEntry {
// char name[lengthName];
// float renderTime[nValues];
// float updateRenderable[nValues];
// float updateEphemeris[nValues];
//
// int32_t currentRenderTime;
// int32_t currentUpdateRenderable;
// int32_t currentUpdateEphemeris;
// };
//
// PerformanceLayoutEntry entries[maxValues];
// };
//
// ImGui::Begin("Performance", &_showPerformanceWindow);
// if (OsEng.renderEngine()->doesPerformanceMeasurements() &&
// ghoul::SharedMemory::exists(RenderEngine::PerformanceMeasurementSharedData))
// {
// ImGui::SliderFloat2("Min values, max Value", _minMaxValues, 0.f, 10000.f);
// _minMaxValues[1] = std::max(_minMaxValues[0], _minMaxValues[1]);
//
// if (!_performanceMemory)
// _performanceMemory = new ghoul::SharedMemory(RenderEngine::PerformanceMeasurementSharedData);
//
// PerformanceLayout* layout = reinterpret_cast<PerformanceLayout*>(_performanceMemory->pointer());
//
// for (int i = 0; i < layout->nEntries; ++i) {
// const PerformanceLayout::PerformanceLayoutEntry& entry = layout->entries[i];
//
// if (ImGui::CollapsingHeader(entry.name)) {
// std::string updateEphemerisTime = std::to_string(entry.updateEphemeris[entry.currentUpdateEphemeris - 1]) + "us";
// ImGui::PlotLines("UpdateEphemeris", &entry.updateEphemeris[0], layout->nValuesPerEntry, 0, updateEphemerisTime.c_str(), _minMaxValues[0], _minMaxValues[1], ImVec2(0, 40));
//
// std::string updateRenderableTime = std::to_string(entry.updateRenderable[entry.currentUpdateRenderable - 1]) + "us";
// ImGui::PlotLines("UpdateRender", &entry.updateRenderable[0], layout->nValuesPerEntry, 0, updateRenderableTime.c_str(), _minMaxValues[0], _minMaxValues[1], ImVec2(0, 40));
//
// std::string renderTime = std::to_string(entry.renderTime[entry.currentRenderTime - 1]) + "us";
// ImGui::PlotLines("RenderTime", &entry.renderTime[0], layout->nValuesPerEntry, 0, renderTime.c_str(), _minMaxValues[0], _minMaxValues[1], ImVec2(0, 40));
// }
// }
// }
// else {
// ImGui::TextWrapped("Performance monitoring is disabled. Enable with "
// "'openspace.setPerformanceMeasurement(true)'");
// }
//
// ImGui::End();
//}
//
//namespace {
//>>>>>>> develop
/**
* \ingroup LuaScripts
* show():
* Shows the GUI
*/
int show(lua_State* L) {
int nArguments = lua_gettop(L);
if (nArguments != 0)
return luaL_error(L, "Expected %i arguments, got %i", 0, nArguments);
OsEng.gui().setEnabled(true);
return 0;
}
/**
* \ingroup LuaScripts
* hide():
* Hides the console
*/
int hide(lua_State* L) {
int nArguments = lua_gettop(L);
if (nArguments != 0)
return luaL_error(L, "Expected %i arguments, got %i", 0, nArguments);
OsEng.gui().setEnabled(false);
return 0;
}
/**
* \ingroup LuaScripts
* toggle():
* Toggles the console
*/
int toggle(lua_State* L) {
int nArguments = lua_gettop(L);
if (nArguments != 0)
return luaL_error(L, "Expected %i arguments, got %i", 0, nArguments);
OsEng.gui().setEnabled(!OsEng.gui().isEnabled());
return 0;
}
}
scripting::ScriptEngine::LuaLibrary GUI::luaLibrary() {
return {
"gui",
{
{
"show",
&show,
"",
"Shows the console"
},
{
"hide",
&hide,
"",
"Hides the console"
},
{
"toggle",
&toggle,
"",
"Toggles the console"
}
}
};
}
} // namespace gui
} // namespace openspace
//
//
//
//
//
//
//
//
//
//
//
//
//
//
//#include <openspace/gui/gui.h>
//
//#include <openspace/engine/openspaceengine.h>
//#include <openspace/properties/property.h>
//
//#include <ghoul/io/texture/texturereader.h>
//#include <ghoul/opengl/ghoul_gl.h>
//#include <ghoul/opengl/programobject.h>
//#include <ghoul/opengl/texture.h>
//#include <ghoul/opengl/textureunit.h>
//#include <ghoul/misc/sharedmemory.h>
//
//#include <openspace/properties/scalarproperty.h>
//#include <openspace/properties/vectorproperty.h>
//#include <openspace/properties/stringproperty.h>
//#include <openspace/properties/optionproperty.h>
//#include <openspace/properties/selectionproperty.h>
//#include <openspace/properties/triggerproperty.h>
//
//#include <ghoul/filesystem/filesystem.h>
//#include <ghoul/filesystem/cachemanager.h>
//
//#include <imgui.h>
//#include <sgct.h>
//#define STB_IMAGE_IMPLEMENTATION
//#include <stb_image.h>
//
//namespace {
// const std::string _loggerCat = "GUI";
// const std::string configurationFile = "imgui.ini";
//
//
//namespace openspace {
// namespace gui {
//
//GUI::GUI()
// : _isEnabled(false)
// , _showPropertyWindow(false)
// , _showHelp(false)
// , _performanceMemory(nullptr)
//{
// _minMaxValues[0] = 100.f;
// _minMaxValues[1] = 1000.f;
//}
//
//GUI::~GUI() {
// delete _performanceMemory;
// ImGui::Shutdown();
//}
//
//bool GUI::isEnabled() const {
// return _isEnabled;
//}
//
//void GUI::setEnabled(bool enabled) {
// _isEnabled = enabled;
//}
//
//void GUI::initialize() {
// std::string cachedFile;
// FileSys.cacheManager()->getCachedFile(configurationFile, "", cachedFile, true);
//
// char* buffer = new char[cachedFile.size() + 1];
//
//#ifdef WIN32
// strcpy_s(buffer, cachedFile.size() + 1, cachedFile.c_str());
//#else
// strcpy(buffer, cachedFile.c_str());
//#endif
//
// ImGuiIO& io = ImGui::GetIO();
// io.IniFilename = buffer;
// //io.IniSavingRate = 5.f;
// io.DeltaTime = 1.f / 60.f;
// io.PixelCenterOffset = 0.5f;
// io.KeyMap[ImGuiKey_Tab] = SGCT_KEY_TAB; // Keyboard mapping. ImGui will use those indices to peek into the io.KeyDown[] array.
// io.KeyMap[ImGuiKey_LeftArrow] = SGCT_KEY_LEFT;
// io.KeyMap[ImGuiKey_RightArrow] = SGCT_KEY_RIGHT;
// io.KeyMap[ImGuiKey_UpArrow] = SGCT_KEY_UP;
// io.KeyMap[ImGuiKey_DownArrow] = SGCT_KEY_DOWN;
// io.KeyMap[ImGuiKey_Home] = SGCT_KEY_HOME;
// io.KeyMap[ImGuiKey_End] = SGCT_KEY_END;
// io.KeyMap[ImGuiKey_Delete] = SGCT_KEY_DELETE;
// io.KeyMap[ImGuiKey_Backspace] = SGCT_KEY_BACKSPACE;
// io.KeyMap[ImGuiKey_Enter] = SGCT_KEY_ENTER;
// io.KeyMap[ImGuiKey_Escape] = SGCT_KEY_ESCAPE;
// io.KeyMap[ImGuiKey_A] = SGCT_KEY_A;
// io.KeyMap[ImGuiKey_C] = SGCT_KEY_C;
// io.KeyMap[ImGuiKey_V] = SGCT_KEY_V;
// io.KeyMap[ImGuiKey_X] = SGCT_KEY_X;
// io.KeyMap[ImGuiKey_Y] = SGCT_KEY_Y;
// io.KeyMap[ImGuiKey_Z] = SGCT_KEY_Z;
//
// io.RenderDrawListsFn = ImImpl_RenderDrawLists;
// //io.SetClipboardTextFn = ImImpl_SetClipboardTextFn; // @TODO implement? ---abock
// //io.GetClipboardTextFn = ImImpl_GetClipboardTextFn; // @TODO implement? ---abock
//}
//
//void GUI::initializeGL() {
// _program = ghoul::opengl::ProgramObject::Build("GUI",
// "${SHADERS}/gui_vs.glsl", "${SHADERS}/gui_fs.glsl");
//
// positionLocation = glGetAttribLocation(*_program, "in_position");
// uvLocation = glGetAttribLocation(*_program, "in_uv");
// colorLocation = glGetAttribLocation(*_program, "in_color");
//
// glGenTextures(1, &fontTex);
// glBindTexture(GL_TEXTURE_2D, fontTex);
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
// const void* png_data;
// unsigned int png_size;
// ImGui::GetDefaultFontData(NULL, NULL, &png_data, &png_size);
// int tex_x, tex_y, tex_comp;
// void* tex_data = stbi_load_from_memory((const unsigned char*)png_data, (int)png_size, &tex_x, &tex_y, &tex_comp, 0);
// glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, tex_x, tex_y, 0, GL_RGBA, GL_UNSIGNED_BYTE, tex_data);
// stbi_image_free(tex_data);
//
// glGenBuffers(1, &vbo);
// glBindBuffer(GL_ARRAY_BUFFER, vbo);
// glBufferData(GL_ARRAY_BUFFER, vboMaxSize, NULL, GL_DYNAMIC_DRAW);
//
// glGenVertexArrays(1, &vao);
// glBindVertexArray(vao);
// glBindBuffer(GL_ARRAY_BUFFER, vbo);
// glEnableVertexAttribArray(positionLocation);
// glEnableVertexAttribArray(uvLocation);
// glEnableVertexAttribArray(colorLocation);
//
// glVertexAttribPointer(positionLocation, 2, GL_FLOAT, GL_FALSE, sizeof(ImDrawVert), (GLvoid*) offsetof(ImDrawVert, pos));
// glVertexAttribPointer(uvLocation, 2, GL_FLOAT, GL_FALSE, sizeof(ImDrawVert), (GLvoid*) offsetof(ImDrawVert, uv));
// glVertexAttribPointer(colorLocation, 4, GL_UNSIGNED_BYTE, GL_TRUE, sizeof(ImDrawVert), (GLvoid*) offsetof(ImDrawVert, col));
// glBindVertexArray(0);
// glBindBuffer(GL_ARRAY_BUFFER, 0);
//}
//
//void GUI::deinitializeGL() {
// if(_program)
// delete _program;
// _program = nullptr;
//
// if (vao) glDeleteVertexArrays(1, &vao);
// if (vbo) glDeleteBuffers(1, &vbo);
//}
//
//void GUI::startFrame(float deltaTime,
// const glm::vec2& windowSize,
// const glm::vec2& mousePos,
// bool mouseButtonsPressed[2])
//{
// ImGuiIO& io = ImGui::GetIO();
// io.DisplaySize = ImVec2(windowSize.x, windowSize.y);
// io.DeltaTime = deltaTime;
// io.MousePos = ImVec2(mousePos.x, mousePos.y);
// io.MouseDown[0] = mouseButtonsPressed[0];
// io.MouseDown[1] = mouseButtonsPressed[1];
//
// ImGui::NewFrame();
//}
//
//void GUI::endFrame() {
// static bool show = true;
// //ImGui::ShowTestWindow(&show);
// renderMainWindow();
// if (_showPropertyWindow)
// renderPropertyWindow();
// if (_showPerformanceWindow)
// renderPerformanceWindow();
//
// ImGui::Render();
//}
//
//bool GUI::mouseButtonCallback(int key, int action) {
// ImGuiIO& io = ImGui::GetIO();
// bool consumeEvent = io.WantCaptureMouse;
// return consumeEvent;
//}
//
//bool GUI::mouseWheelCallback(int position) {
// ImGuiIO& io = ImGui::GetIO();
// bool consumeEvent = io.WantCaptureMouse;
// if (consumeEvent)
// io.MouseWheel = static_cast<float>(position);
//
// return consumeEvent;
//}
//
//bool GUI::keyCallback(int key, int action) {
// ImGuiIO& io = ImGui::GetIO();
// bool consumeEvent = io.WantCaptureKeyboard;
// if (consumeEvent) {
// if (action == SGCT_PRESS)
// io.KeysDown[key] = true;
// if (action == SGCT_RELEASE)
// io.KeysDown[key] = false;
// }
// return consumeEvent;
//}
//
//bool GUI::charCallback(unsigned int character) {
// ImGuiIO& io = ImGui::GetIO();
// bool consumeEvent = io.WantCaptureKeyboard;
//
// if (consumeEvent)
// io.AddInputCharacter((unsigned short)character);
//
// return consumeEvent;
//}
//
//void GUI::registerProperty(properties::Property* prop) {
// using namespace openspace::properties;
//
// std::string className = prop->className();
//
// if (className == "BoolProperty")
// _boolProperties.insert(prop);
// else if (className == "IntProperty")
// _intProperties.insert(prop);
// else if (className == "FloatProperty")
// _floatProperties.insert(prop);
// else if (className == "StringProperty")
// _stringProperties.insert(prop);
// else if (className == "Vec2Property")
// _vec2Properties.insert(prop);
// else if (className == "Vec3Property")
// _vec3Properties.insert(prop);
// else if (className == "OptionProperty")
// _optionProperty.insert(prop);
// else if (className == "TriggerProperty")
// _triggerProperty.insert(prop);
// else if (className == "SelectionProperty")
// _selectionProperty.insert(prop);
// else {
// LWARNING("Class name '" << className << "' not handled in GUI generation");
// return;
// }
//
// std::string fullyQualifiedId = prop->fullyQualifiedIdentifier();
// size_t pos = fullyQualifiedId.find('.');
// std::string owner = fullyQualifiedId.substr(0, pos);
//
// auto it =_propertiesByOwner.find(owner);
// if (it == _propertiesByOwner.end())
// _propertiesByOwner[owner] = { prop };
// else
// it->second.push_back(prop);
//
//}
//
//void GUI::renderMainWindow() {
// ImGui::Begin("OpenSpace GUI", nullptr);
//
// ImGui::Checkbox("Properties", &_showPropertyWindow);
// ImGui::Checkbox("Performance", &_showPerformanceWindow);
// ImGui::Checkbox("Help", &_showHelp);
//
// if (_showHelp) {
// ImGui::Separator();
// ImGui::ShowUserGuide();
// ImGui::ShowTestWindow();
// }
//
// ImGui::End();
//}
//
//void GUI::renderPropertyWindow() {
// using namespace properties;
//
// ImGui::Begin("Properties", &_showPropertyWindow, size, 0.5f);
//
// //ImGui::ShowUserGuide();
// ImGui::Spacing();
//
// for (const auto& p : _propertiesByOwner) {
// if (ImGui::CollapsingHeader(p.first.c_str())) {
// for (properties::Property* prop : p.second) {
// if (_boolProperties.find(prop) != _boolProperties.end()) {
// renderBoolProperty(prop, p.first);
// continue;
// }
//
// if (_intProperties.find(prop) != _intProperties.end()) {
// renderIntProperty(prop, p.first);
// continue;
// }
//
// if (_floatProperties.find(prop) != _floatProperties.end()) {
// renderFloatProperty(prop, p.first);
// continue;
// }
//
// if (_vec2Properties.find(prop) != _vec2Properties.end()) {
// renderVec2Property(prop, p.first);
// continue;
// }
//
// if (_vec3Properties.find(prop) != _vec3Properties.end()) {
// renderVec3Property(prop, p.first);
// continue;
// }
//
// if (_optionProperty.find(prop) != _optionProperty.end()) {
// renderOptionProperty(prop, p.first);
// continue;
// }
//
// if (_triggerProperty.find(prop) != _triggerProperty.end()) {
// renderTriggerProperty(prop, p.first);
// continue;
// }
//
// if (_selectionProperty.find(prop) != _selectionProperty.end()) {
// renderSelectionProperty(prop, p.first);
// continue;
// }
// }
// }
// }
//
// ImGui::End();
//}
//
//void GUI::renderPerformanceWindow() {
// // Copy and paste from renderengine.cpp::storePerformanceMeasurements method
// const int8_t Version = 0;
// const int nValues = 250;
// const int lengthName = 256;
// const int maxValues = 50;
//
// struct PerformanceLayout {
// int8_t version;
// int32_t nValuesPerEntry;
// int32_t nEntries;
// int32_t maxNameLength;
// int32_t maxEntries;
//
// struct PerformanceLayoutEntry {
// char name[lengthName];
// float renderTime[nValues];
// float updateRenderable[nValues];
// float updateEphemeris[nValues];
//
// int32_t currentRenderTime;
// int32_t currentUpdateRenderable;
// int32_t currentUpdateEphemeris;
// };
//
// PerformanceLayoutEntry entries[maxValues];
// };
//
// ImGui::Begin("Performance", &_showPerformanceWindow);
// if (OsEng.renderEngine().doesPerformanceMeasurements() &&
// ghoul::SharedMemory::exists(RenderEngine::PerformanceMeasurementSharedData))
// {
// ImGui::SliderFloat2("Min values, max Value", _minMaxValues, 0.f, 10000.f);
// _minMaxValues[1] = std::max(_minMaxValues[0], _minMaxValues[1]);
//
// if (!_performanceMemory)
// _performanceMemory = new ghoul::SharedMemory(RenderEngine::PerformanceMeasurementSharedData);
//
// PerformanceLayout* layout = reinterpret_cast<PerformanceLayout*>(_performanceMemory->pointer());
//
// for (int i = 0; i < layout->nEntries; ++i) {
// const PerformanceLayout::PerformanceLayoutEntry& entry = layout->entries[i];
//
// if (ImGui::CollapsingHeader(entry.name)) {
// std::string updateEphemerisTime = std::to_string(entry.updateEphemeris[entry.currentUpdateEphemeris - 1]) + "us";
// ImGui::PlotLines("UpdateEphemeris", &entry.updateEphemeris[0], layout->nValuesPerEntry, 0, updateEphemerisTime.c_str(), _minMaxValues[0], _minMaxValues[1], ImVec2(0, 40));
//
// std::string updateRenderableTime = std::to_string(entry.updateRenderable[entry.currentUpdateRenderable - 1]) + "us";
// ImGui::PlotLines("UpdateRender", &entry.updateRenderable[0], layout->nValuesPerEntry, 0, updateRenderableTime.c_str(), _minMaxValues[0], _minMaxValues[1], ImVec2(0, 40));
//
// std::string renderTime = std::to_string(entry.renderTime[entry.currentRenderTime - 1]) + "us";
// ImGui::PlotLines("RenderTime", &entry.renderTime[0], layout->nValuesPerEntry, 0, renderTime.c_str(), _minMaxValues[0], _minMaxValues[1], ImVec2(0, 40));
// }
// }
// }
// else {
// ImGui::TextWrapped("Performance monitoring is disabled. Enable with "
// "'openspace.setPerformanceMeasurement(true)'");
// }
//
// ImGui::End();
//}
//
//
//} // namespace openspace
//} // namespace gui