Files
inferno-hart/src/inferno.cpp
benkyd 9fd96f5e02 wyd x
2022-11-12 16:54:37 +00:00

254 lines
8.5 KiB
C++

#include "inferno.hpp"
#include <version.hpp>
#include "gui/layout.hpp"
#include "window.hpp"
#include "preview_renderer/renderer.hpp"
#include "preview_renderer/shader.hpp"
#include "scene/camera.hpp"
#include "scene/scene.hpp"
#include "scene/material.hpp"
#include "scene/mesh.hpp"
#include <spdlog/spdlog.h>
#include <iostream>
#include <memory>
#include <chrono>
#include <numeric>
using namespace inferno;
Inferno::Inferno()
{
// MOTD
spdlog::set_level(spdlog::level::trace);
spdlog::info("INFERNO HART v" INFERNO_VERSION);
// Create window
mWin = &Window::GetInstance();
mWin->init("Inferno v" INFERNO_VERSION, 1280, 720);
mRasterRenderer = new RasterizeRenderer();
mScene = new Scene();
}
Inferno::~Inferno()
{
}
static void HelpMarker(const char* desc)
{
ImGui::TextDisabled("(?)");
if (ImGui::IsItemHovered(ImGuiHoveredFlags_DelayShort))
{
ImGui::BeginTooltip();
ImGui::PushTextWrapPos(ImGui::GetFontSize() * 35.0f);
ImGui::TextUnformatted(desc);
ImGui::PopTextWrapPos();
ImGui::EndTooltip();
}
}
void Inferno::uiPreset()
{
ImGuiID dockspace_id = ImGui::GetID("main");
ImGui::DockBuilderRemoveNode(dockspace_id); // Clear out existing layout
ImGui::DockBuilderAddNode(dockspace_id, ImGuiDockNodeFlags_DockSpace); // Add empty node
ImGui::DockBuilderSetNodeSize(dockspace_id, {1000, 1000});
ImGuiID dock_main_id = dockspace_id; // This variable will track the document node, however we are not using it here as we aren't docking anything into it.
ImGuiID dock_left = ImGui::DockBuilderSplitNode(dock_main_id, ImGuiDir_Left, 0.5f, NULL, &dock_main_id);
ImGui::DockBuilderDockWindow("Preview", dock_left);
ImGui::DockBuilderDockWindow("Render", dock_main_id);
ImGui::DockBuilderFinish(dockspace_id);
spdlog::info("LAYOUT SET TO DEFAULT");
}
void Inferno::moveInput()
{
static GLFWcursor* cursor = glfwCreateStandardCursor(GLFW_HAND_CURSOR);
glfwSetCursor(mWin->getGLFWWindow(), cursor);
// KBD & MOUSE
// pan only get on hold
static glm::dvec2 lastMousePos;
static int firstClick = 0;
if (glfwGetMouseButton(mWin->getGLFWWindow(), GLFW_MOUSE_BUTTON_1) == GLFW_PRESS)
{
firstClick++;
if (firstClick == 1)
{
glfwGetCursorPos(mWin->getGLFWWindow(), &lastMousePos.x, &lastMousePos.y);
}
glm::dvec2 tempMousePos = { 0.0f, 0.0f };
glfwGetCursorPos(mWin->getGLFWWindow(), &tempMousePos.x, &tempMousePos.y);
mouseDelta = lastMousePos - tempMousePos;
lastMousePos = tempMousePos;
} else
{
firstClick = 0;
mouseDelta = { 0.0f, 0.0f };
lastMousePos = { 0.0f, 0.0f };
}
movementDelta = 0b00000000;
if (glfwGetKey(mWin->getGLFWWindow(), GLFW_KEY_W) == GLFW_PRESS)
movementDelta |= 0b10000000;
if (glfwGetKey(mWin->getGLFWWindow(), GLFW_KEY_A) == GLFW_PRESS)
movementDelta |= 0b01000000;
if (glfwGetKey(mWin->getGLFWWindow(), GLFW_KEY_S) == GLFW_PRESS)
movementDelta |= 0b00100000;
if (glfwGetKey(mWin->getGLFWWindow(), GLFW_KEY_D) == GLFW_PRESS)
movementDelta |= 0b00010000;
if (glfwGetKey(mWin->getGLFWWindow(), GLFW_KEY_SPACE) == GLFW_PRESS)
movementDelta |= 0b00001000;
if (glfwGetKey(mWin->getGLFWWindow(), GLFW_KEY_LEFT_SHIFT) == GLFW_PRESS)
movementDelta |= 0b00000100;
}
void Inferno::stopMoveInput()
{
movementDelta = 0x0;
mouseDelta = { 0.0f, 0.0f };
}
int Inferno::run()
{
Camera camera;
Mesh cornell;
cornell.loadOBJ("res/cornell-box.obj");
cornell.ready();
Mesh dragon;
// dragon.loadOBJ("res/dragon-cornell-size.obj");
dragon.ready();
Material basicMaterial("basic");
Shader basicShader;
basicShader.load("res/shaders/basic.glsl")->link();
basicMaterial.setGlShader(&basicShader);
cornell.setMaterial(&basicMaterial);
dragon.setMaterial(&basicMaterial);
mScene->addMesh(&cornell);
mScene->addMesh(&dragon);
mScene->setCamera(&camera);
mRasterRenderer->setScene(mScene);
while (true)
{
static bool showPreview = true;
static bool showRenderSettings = true;
if (!mWin->newFrame()) { break; }
// Menu Bar
if (ImGui::BeginMenuBar())
{
if (ImGui::BeginMenu("Menu"))
{
ImGui::EndMenu();
}
if (ImGui::BeginMenu("View"))
{
ImGui::Checkbox("Show Preview", &showPreview);
ImGui::SameLine(); HelpMarker("Show the preview window");
ImGui::Checkbox("Show Settings", &showRenderSettings);
ImGui::SameLine(); HelpMarker("Show the Inferno HART settings window");
ImGui::EndMenu();
}
ImGui::EndMenuBar();
}
// UI
ImGuiID dockspace_id = ImGui::GetID("main");
// set the main window to the dockspace and then on the first launch set the preset
static ImGuiDockNodeFlags dockspace_flags = ImGuiDockNodeFlags_PassthruCentralNode;
if (ImGui::DockBuilderGetNode(dockspace_id) == NULL) { this->uiPreset(); }
ImGui::DockSpace(dockspace_id, ImVec2(0.0f, 0.0f), dockspace_flags);
if (showPreview && ImGui::Begin("Preview", nullptr, ImGuiWindowFlags_NoScrollbar))
{
const bool allowMove = ImGui::IsWindowHovered();
if (allowMove)
{
this->moveInput();
} else
{
this->stopMoveInput();
}
camera.MouseMoved(mouseDelta);
camera.MoveCamera(movementDelta);
camera.UpdateProjection(ImGui::GetWindowSize().x, ImGui::GetWindowSize().y);
mRasterRenderer->setTargetSize({ImGui::GetWindowSize().x, ImGui::GetWindowSize().y});
mRasterRenderer->prepare();
mRasterRenderer->draw();
ImGui::Image((ImTextureID)mRasterRenderer->getRenderedTexture(),
{ mRasterRenderer->getTargetSize().x, mRasterRenderer->getTargetSize().y },
ImVec2(0,1), ImVec2(1,0));
glBindFramebuffer(GL_FRAMEBUFFER, 0);
ImGui::End();
}
if (ImGui::Begin("Render"))
{
ImGui::End();
}
if (showRenderSettings && ImGui::Begin("Inferno HART"))
{
if (ImGui::TreeNode("Camera"))
{
ImGui::PushItemWidth(100);
ImGui::Text("Camera Position X,Y,Z");
ImGui::DragFloat("X", &camera.Position.x, 0.01f, -FLT_MAX, FLT_MAX, "%.2f", ImGuiSliderFlags_None); ImGui::SameLine();
ImGui::DragFloat("Y", &camera.Position.y, 0.01f, -FLT_MAX, FLT_MAX, "%.2f", ImGuiSliderFlags_None); ImGui::SameLine();
ImGui::DragFloat("Z", &camera.Position.z, 0.01f, -FLT_MAX, FLT_MAX, "%.2f", ImGuiSliderFlags_None);
camera.UpdatePosition(camera.Position);
ImGui::Text("Camera Look Yaw, Pitch, Roll");
ImGui::DragFloat("Yaw", &camera.Yaw, 0.01f, -FLT_MAX, FLT_MAX, "%.2f", ImGuiSliderFlags_None); ImGui::SameLine();
ImGui::DragFloat("Pitch", &camera.Pitch, 0.01f, -FLT_MAX, FLT_MAX, "%.2f", ImGuiSliderFlags_None); ImGui::SameLine();
ImGui::DragFloat("Roll", &camera.Roll, 0.01f, -FLT_MAX, FLT_MAX, "%.2f", ImGuiSliderFlags_None);
camera.UpdateView();
ImGui::PopItemWidth();
ImGui::TreePop();
}
ImGui::ShowDemoWindow();
ImGui::End();
}
GLenum err;
while((err = glGetError()) != GL_NO_ERROR) {
std::string error;
switch (err) {
case GL_INVALID_ENUM: error = "INVALID_ENUM"; break;
case GL_INVALID_VALUE: error = "INVALID_VALUE"; break;
case GL_INVALID_OPERATION: error = "INVALID_OPERATION"; break;
case GL_STACK_OVERFLOW: error = "STACK_OVERFLOW"; break;
case GL_STACK_UNDERFLOW: error = "STACK_UNDERFLOW"; break;
case GL_OUT_OF_MEMORY: error = "OUT_OF_MEMORY"; break;
case GL_INVALID_FRAMEBUFFER_OPERATION: error = "INVALID_FRAMEBUFFER_OPERATION"; break;
default: error = std::to_string((uint32_t)err); break;
}
spdlog::error("[GL]: ", err, " ", error);
}
mWin->render();
}
delete mWin;
return 0;
}