332 lines
10 KiB
C++
332 lines
10 KiB
C++
#include <glad/glad.h> // This example is using gl3w to access OpenGL functions (because it is small). You may use glew/glad/glLoadGen/etc. whatever already works for you.
|
|
#include <GLFW/glfw3.h>
|
|
//#include <GLFW/glfw3native.h>
|
|
|
|
#include "Globals.h"
|
|
|
|
#include <X11/Xlib.h>
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
#include <iostream>
|
|
#include <sstream>
|
|
|
|
#include "Timer.h"
|
|
#include "RuntimeModuleManager.h"
|
|
#include "imgui/imgui.h"
|
|
#include "imgui_dock.h"
|
|
#include "imgui_impl_glfw.h"
|
|
#include "imgui_impl_opengl3.h"
|
|
|
|
#include "FileModificationObserver.h"
|
|
#include "Serializer.h"
|
|
|
|
Timer* gTimer = nullptr;
|
|
Renderer* gRenderer = nullptr;
|
|
GLFWwindow* gWindow = nullptr;
|
|
RuntimeModuleManager* gModuleManager = nullptr;
|
|
WriteSerializer* gWriteSerializer = nullptr;
|
|
ReadSerializer* gReadSerializer = nullptr;
|
|
GuiInputState* gGuiInputState = nullptr;
|
|
FileModificationObserver* gFileModificationObserver = nullptr;
|
|
double gTimeAtStart = 0;
|
|
|
|
double mouse_scroll_x = 0.;
|
|
double mouse_scroll_y = 0.;
|
|
|
|
bool show_dock_1 = true;
|
|
bool show_dock_2 = true;
|
|
bool show_dock_3 = true;
|
|
|
|
using namespace std;
|
|
|
|
static void error_callback(int error, const char* description)
|
|
{
|
|
fprintf(stderr, "Error (%d): %s\n", error, description);
|
|
}
|
|
|
|
static void opengl_error_callback(
|
|
GLenum source,
|
|
GLenum type,
|
|
GLuint id,
|
|
GLenum severity,
|
|
GLsizei length,
|
|
const GLchar* message,
|
|
const void* userParam )
|
|
{
|
|
// gLog ("OpenGL Error: %s type %0x%x, severity = 0x%x, message = %s",
|
|
// ( type == GL_DEBUG_TYPE_ERROR ? "** GL ERROR **" : "" ),
|
|
// type, severity, message );
|
|
}
|
|
|
|
static void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods)
|
|
{
|
|
if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS)
|
|
glfwSetWindowShouldClose(window, GLFW_TRUE);
|
|
}
|
|
|
|
void mouse_scroll_callback(GLFWwindow* window, double xoffset, double yoffset) {
|
|
mouse_scroll_x += xoffset;
|
|
mouse_scroll_y += yoffset;
|
|
}
|
|
|
|
void handle_mouse () {
|
|
if (!glfwGetWindowAttrib(gWindow, GLFW_FOCUSED)) {
|
|
return;
|
|
}
|
|
|
|
if (glfwGetMouseButton(gWindow, 1)) {
|
|
glfwSetInputMode(gWindow, GLFW_CURSOR, GLFW_CURSOR_DISABLED);
|
|
} else {
|
|
glfwSetInputMode(gWindow, GLFW_CURSOR, GLFW_CURSOR_NORMAL);
|
|
}
|
|
|
|
double mouse_x, mouse_y;
|
|
glfwGetCursorPos(gWindow, &mouse_x, &mouse_y);
|
|
gGuiInputState->mousedX = mouse_x - gGuiInputState->mouseX;
|
|
gGuiInputState->mousedY = mouse_y - gGuiInputState->mouseY;
|
|
gGuiInputState->mouseX = mouse_x;
|
|
gGuiInputState->mouseY = mouse_y;
|
|
gGuiInputState->mouseScroll = mouse_scroll_y;
|
|
|
|
gGuiInputState->mouseButton =
|
|
glfwGetMouseButton(gWindow, 0)
|
|
+ (glfwGetMouseButton(gWindow, 1) << 1)
|
|
+ (glfwGetMouseButton(gWindow, 2) << 2);
|
|
}
|
|
|
|
int main(void)
|
|
{
|
|
gTimeAtStart = gGetCurrentTime();
|
|
std::cout << "Time at start: " << gTimeAtStart << std::endl;
|
|
|
|
LoggingInit();
|
|
|
|
WriteSerializer out_serializer;
|
|
ReadSerializer in_serializer;
|
|
|
|
// Initialize GLFW
|
|
glfwSetErrorCallback(error_callback);
|
|
glfwInit();
|
|
|
|
const char* glsl_version = "#version 130";
|
|
glfwWindowHint(GLFW_CLIENT_API, GLFW_OPENGL_API);
|
|
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
|
|
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0);
|
|
glfwWindowHint(GLFW_SAMPLES, 16);
|
|
// glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
|
|
|
|
#if __APPLE__
|
|
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
|
|
#endif
|
|
|
|
gWindow = glfwCreateWindow(800, 600, "ProtoT", NULL, NULL);
|
|
assert(gWindow != NULL);
|
|
glfwMakeContextCurrent(gWindow);
|
|
glfwSwapInterval(1);
|
|
|
|
// Initialize OpenGL loader
|
|
gladLoadGLLoader((GLADloadproc) glfwGetProcAddress);
|
|
|
|
glfwSetKeyCallback(gWindow, key_callback);
|
|
glfwSetScrollCallback (gWindow, mouse_scroll_callback);
|
|
|
|
std::cout << "OpenGL Version: " << glGetString(GL_VERSION) << endl;
|
|
std::cout << "GLSL Version : " << glGetString(GL_SHADING_LANGUAGE_VERSION) << endl;
|
|
|
|
// During init, enable debug output
|
|
// glEnable ( GL_DEBUG_OUTPUT );
|
|
// glDebugMessageCallback( (GLDEBUGPROC) opengl_error_callback, 0 );
|
|
|
|
// imgui initialization.
|
|
IMGUI_CHECKVERSION();
|
|
ImGui::CreateContext();
|
|
ImGuiIO& io = ImGui::GetIO(); (void)io;
|
|
io.ConfigFlags |= ImGuiConfigFlags_DockingEnable;
|
|
// io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable;
|
|
|
|
GuiInputState gui_input_state;
|
|
gGuiInputState = &gui_input_state;
|
|
|
|
ImGui_ImplGlfw_InitForOpenGL(gWindow, true);
|
|
ImGui_ImplOpenGL3_Init(glsl_version);
|
|
|
|
// Setup Style
|
|
ImGui::StyleColorsDark();
|
|
//ImGui::StyleColorsClassic();
|
|
|
|
ImGuiStyle& style = ImGui::GetStyle();
|
|
style.WindowRounding = 0.0f; // When viewports are enabled it is preferable to disable WinodwRounding
|
|
style.Colors[ImGuiCol_WindowBg].w = 1.0f; // When viewports are enabled it is preferable to disable WindowBg alpha
|
|
|
|
|
|
// FileModificationObserver
|
|
FileModificationObserver file_modification_observer;
|
|
gFileModificationObserver = &file_modification_observer;
|
|
|
|
// Timer
|
|
Timer timer;
|
|
gTimer = &timer;
|
|
timer.mCurrentTime = 0.0f;
|
|
timer.mDeltaTime = 0.0f;
|
|
|
|
printf("Initializing ModuleManager...\n");
|
|
RuntimeModuleManager module_manager;
|
|
module_manager.RegisterModule("src/modules/libRenderModule.so");
|
|
module_manager.RegisterModule("src/modules/libTestModule.so");
|
|
// module_manager.RegisterModule("src/modules/libCharacterModule.so");
|
|
|
|
// Setup global variables
|
|
gModuleManager = &module_manager;
|
|
gWriteSerializer = &out_serializer;
|
|
gReadSerializer = &in_serializer;
|
|
|
|
// Load modules
|
|
module_manager.LoadModules();
|
|
|
|
double frame_time_last = glfwGetTime();
|
|
double frame_time_current = frame_time_last;
|
|
double frame_delta_time = 0.0;
|
|
uint64_t frame_counter = 0;
|
|
|
|
bool show_demo_window = false;
|
|
ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f);
|
|
|
|
while(!glfwWindowShouldClose(gWindow)) {
|
|
frame_counter++;
|
|
|
|
// Start the imgui frame such that widgets can be submitted
|
|
handle_mouse();
|
|
|
|
glfwPollEvents();
|
|
|
|
ImGui_ImplOpenGL3_NewFrame();
|
|
ImGui_ImplGlfw_NewFrame();
|
|
ImGui::NewFrame();
|
|
|
|
if (show_demo_window)
|
|
ImGui::ShowDemoWindow(&show_demo_window);
|
|
|
|
if (module_manager.CheckModulesChanged()) {
|
|
gLog("Detected module update at frame %d. Unloading all modules.", frame_counter);
|
|
module_manager.UnloadModules();
|
|
// We need to sleep to make sure we load the new files
|
|
module_manager.LoadModules();
|
|
}
|
|
|
|
frame_time_last = frame_time_current;
|
|
frame_time_current = glfwGetTime();
|
|
frame_delta_time = frame_time_current - frame_time_last;
|
|
|
|
gTimer->mFrameTime = (float)(frame_delta_time);
|
|
if (!gTimer->mPaused) {
|
|
gTimer->mDeltaTime = gTimer->mFrameTime;
|
|
gTimer->mCurrentTime = gTimer->mCurrentTime + gTimer->mDeltaTime;
|
|
} else {
|
|
gTimer->mDeltaTime = 0.0f;
|
|
}
|
|
|
|
assert (gTimer->mDeltaTime >= 0.0f);
|
|
int width, height;
|
|
ImGui::BeginMainMenuBar();
|
|
|
|
if (ImGui::BeginMenu("Dialogs"))
|
|
{
|
|
ImGui::Checkbox("ImGui Demo", &show_demo_window);
|
|
ImGui::EndMenu();
|
|
}
|
|
|
|
float menu_bar_height = ImGui::GetWindowHeight();
|
|
ImGui::EndMainMenuBar();
|
|
|
|
if (show_demo_window)
|
|
ImGui::ShowDemoWindow();
|
|
|
|
static bool opt_fullscreen_persistant = true;
|
|
static ImGuiDockNodeFlags opt_flags = ImGuiDockNodeFlags_None;
|
|
bool opt_fullscreen = opt_fullscreen_persistant;
|
|
|
|
// We are using the ImGuiWindowFlags_NoDocking flag to make the parent window not dockable into,
|
|
// because it would be confusing to have two docking targets within each others.
|
|
ImGuiWindowFlags window_flags = ImGuiWindowFlags_MenuBar | ImGuiWindowFlags_NoDocking;
|
|
if (opt_fullscreen)
|
|
{
|
|
ImGuiViewport* viewport = ImGui::GetMainViewport();
|
|
ImGui::SetNextWindowPos(viewport->Pos);
|
|
ImGui::SetNextWindowSize(viewport->Size);
|
|
ImGui::SetNextWindowViewport(viewport->ID);
|
|
ImGui::PushStyleVar(ImGuiStyleVar_WindowRounding, 0.0f);
|
|
ImGui::PushStyleVar(ImGuiStyleVar_WindowBorderSize, 0.0f);
|
|
window_flags |= ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoMove;
|
|
window_flags |= ImGuiWindowFlags_NoBringToFrontOnFocus | ImGuiWindowFlags_NoNavFocus;
|
|
}
|
|
|
|
// When using ImGuiDockNodeFlags_PassthruDockspace, DockSpace() will render our background and handle the pass-thru hole, so we ask Begin() to not render a background.
|
|
if (opt_flags & ImGuiDockNodeFlags_PassthruDockspace)
|
|
window_flags |= ImGuiWindowFlags_NoBackground;
|
|
|
|
ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(0.0f, 0.0f));
|
|
ImGui::Begin("DockSpace Demo", NULL, window_flags);
|
|
ImGui::PopStyleVar();
|
|
|
|
if (opt_fullscreen)
|
|
ImGui::PopStyleVar(2);
|
|
|
|
if (io.ConfigFlags & ImGuiConfigFlags_DockingEnable) {
|
|
ImGuiID dockspace_id = ImGui::GetID("MyDockspace");
|
|
ImGui::DockSpace(dockspace_id, ImVec2(0.0f, 0.0f), opt_flags);
|
|
} else {
|
|
gLog("Error: no docking not enabled");
|
|
}
|
|
ImGui::End();
|
|
|
|
module_manager.Update(gTimer->mDeltaTime);
|
|
|
|
|
|
|
|
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
|
|
|
|
// Rendering
|
|
ImGui::Render();
|
|
int display_w, display_h;
|
|
glfwMakeContextCurrent(gWindow);
|
|
glfwGetFramebufferSize(gWindow, &display_w, &display_h);
|
|
glViewport(0, 0, display_w, display_h);
|
|
glClearColor(clear_color.x, clear_color.y, clear_color.z, clear_color.w);
|
|
glClear(GL_COLOR_BUFFER_BIT);
|
|
ImDrawData* draw_data = ImGui::GetDrawData();
|
|
assert (draw_data != NULL);
|
|
ImGui_ImplOpenGL3_RenderDrawData(draw_data);
|
|
|
|
// Update and Render additional Platform Windows
|
|
if (io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
|
|
{
|
|
ImGui::UpdatePlatformWindows();
|
|
ImGui::RenderPlatformWindowsDefault();
|
|
}
|
|
|
|
glfwMakeContextCurrent(gWindow);
|
|
glfwSwapBuffers(gWindow);
|
|
|
|
// Send the application to sleep if we have some time left for this frame
|
|
double frame_target_time = 1.0 / module_manager.mTargetFPS;
|
|
if (frame_delta_time < frame_target_time) {
|
|
usleep ((frame_target_time - frame_delta_time) * 1000000 * 0.98);
|
|
}
|
|
|
|
if (glfwGetKey(gWindow, GLFW_KEY_F5) == GLFW_PRESS) {
|
|
gFileModificationObserver->Update();
|
|
}
|
|
}
|
|
|
|
module_manager.UnregisterModules();
|
|
|
|
gRenderer = nullptr;
|
|
|
|
ImGui_ImplOpenGL3_Shutdown();
|
|
ImGui_ImplGlfw_Shutdown();
|
|
ImGui::DestroyContext();
|
|
glfwTerminate();
|
|
}
|