mirror of https://github.com/AxioDL/metaforce.git
410 lines
13 KiB
C++
410 lines
13 KiB
C++
#include <aurora/aurora.hpp>
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#include "gfx/common.hpp"
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#include "gpu.hpp"
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#include "input.hpp"
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#include "imgui.hpp"
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#include <SDL.h>
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#include <imgui.h>
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#include <logvisor/logvisor.hpp>
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#include <magic_enum.hpp>
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namespace aurora {
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static logvisor::Module Log("aurora");
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// TODO: Move global state to a class/struct?
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static std::unique_ptr<AppDelegate> g_AppDelegate;
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static std::vector<std::string> g_Args;
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static float g_AppDpi = 1.f;
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// SDL
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static SDL_Window* g_Window;
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// GPU
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using gpu::g_depthBuffer;
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using gpu::g_device;
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using gpu::g_frameBuffer;
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using gpu::g_frameBufferResolved;
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using gpu::g_queue;
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using gpu::g_swapChain;
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static void set_window_icon(Icon icon) noexcept {
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SDL_Surface* iconSurface = SDL_CreateRGBSurfaceFrom(icon.data.get(), icon.width, icon.height, 32, 4 * icon.width,
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#if SDL_BYTEORDER == SDL_BIG_ENDIAN
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0xff000000, 0x00ff0000, 0x0000ff00, 0x000000ff
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#else
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0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000
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#endif
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);
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if (iconSurface == nullptr) {
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Log.report(logvisor::Fatal, FMT_STRING("Failed to create icon surface: {}"), SDL_GetError());
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unreachable();
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}
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SDL_SetWindowIcon(g_Window, iconSurface);
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SDL_FreeSurface(iconSurface);
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}
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static bool poll_events() noexcept {
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SDL_Event event;
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while (SDL_PollEvent(&event) != 0) {
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imgui::process_event(event);
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switch (event.type) {
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case SDL_WINDOWEVENT: {
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switch (event.window.event) {
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case SDL_WINDOWEVENT_SHOWN: {
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break;
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}
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case SDL_WINDOWEVENT_HIDDEN: {
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break;
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}
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case SDL_WINDOWEVENT_EXPOSED: {
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break;
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}
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case SDL_WINDOWEVENT_MOVED: {
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g_AppDelegate->onAppWindowMoved(event.window.data1, event.window.data2);
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break;
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}
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case SDL_WINDOWEVENT_SIZE_CHANGED:
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case SDL_WINDOWEVENT_RESIZED: {
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gpu::resize_swapchain(event.window.data1, event.window.data2);
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g_AppDelegate->onAppWindowResized(
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{static_cast<uint32_t>(event.window.data1), static_cast<uint32_t>(event.window.data2)});
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break;
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}
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case SDL_WINDOWEVENT_MINIMIZED: {
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// TODO: handle minimized event
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break;
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}
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case SDL_WINDOWEVENT_MAXIMIZED: {
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// TODO: handle maximized event
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break;
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}
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case SDL_WINDOWEVENT_RESTORED: {
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// TODO: handle restored event
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break;
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}
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case SDL_WINDOWEVENT_ENTER: {
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// TODO: handle enter event (mouse focus)
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break;
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}
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case SDL_WINDOWEVENT_LEAVE: {
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// TODO: handle leave event (mouse focus)
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break;
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}
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case SDL_WINDOWEVENT_FOCUS_GAINED: {
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// TODO: handle focus gained event
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break;
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}
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case SDL_WINDOWEVENT_FOCUS_LOST: {
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// TODO: handle focus lost event
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break;
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}
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case SDL_WINDOWEVENT_CLOSE: {
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// TODO: handle window close event
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break;
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}
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case SDL_WINDOWEVENT_TAKE_FOCUS: {
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// TODO: handle take focus event
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break;
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}
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case SDL_WINDOWEVENT_HIT_TEST: {
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// TODO: handle hit test?
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break;
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}
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case SDL_WINDOWEVENT_DISPLAY_CHANGED: {
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printf("DISPLAY_CHANGED!\n");
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float scale = 1.0f;
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if (SDL_GetDisplayDPI(SDL_GetWindowDisplayIndex(g_Window), nullptr, &scale, nullptr) == 0) {
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scale /= 96.0f;
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if (g_AppDpi != scale) {
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g_AppDelegate->onAppDisplayScaleChanged(scale);
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}
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}
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break;
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}
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}
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break;
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}
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case SDL_CONTROLLERDEVICEADDED: {
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auto instance = input::add_controller(event.cdevice.which);
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if (instance != -1) {
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g_AppDelegate->onControllerAdded(instance);
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}
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break;
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}
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case SDL_CONTROLLERDEVICEREMOVED: {
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input::remove_controller(event.cdevice.which);
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break;
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}
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case SDL_CONTROLLERBUTTONUP:
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case SDL_CONTROLLERBUTTONDOWN: {
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g_AppDelegate->onControllerButton(
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event.cbutton.which,
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input::translate_controller_button(static_cast<SDL_GameControllerButton>(event.cbutton.button)),
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event.cbutton.state == SDL_PRESSED);
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break;
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}
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case SDL_CONTROLLERAXISMOTION: {
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g_AppDelegate->onControllerAxis(
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event.caxis.which, input::translate_controller_axis(static_cast<SDL_GameControllerAxis>(event.caxis.axis)),
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event.caxis.value);
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break;
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}
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case SDL_KEYDOWN: {
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if (!ImGui::GetIO().WantCaptureKeyboard) {
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SpecialKey specialKey{};
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ModifierKey modifierKey{};
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char chr = input::translate_key(event.key.keysym, specialKey, modifierKey);
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if (chr != 0) {
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modifierKey = input::translate_modifiers(event.key.keysym.mod);
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g_AppDelegate->onCharKeyDown(chr, modifierKey, event.key.repeat != 0u);
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} else if (specialKey != SpecialKey::None) {
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modifierKey = input::translate_modifiers(event.key.keysym.mod);
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g_AppDelegate->onSpecialKeyDown(specialKey, modifierKey, event.key.repeat != 0u);
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} else if (modifierKey != ModifierKey::None) {
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g_AppDelegate->onModifierKeyDown(modifierKey, event.key.repeat != 0u);
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}
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}
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break;
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}
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case SDL_KEYUP: {
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if (!ImGui::GetIO().WantCaptureKeyboard) {
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SpecialKey specialKey{};
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ModifierKey modifierKey{};
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char chr = input::translate_key(event.key.keysym, specialKey, modifierKey);
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if (chr != 0) {
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modifierKey = input::translate_modifiers(event.key.keysym.mod);
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g_AppDelegate->onCharKeyUp(chr, modifierKey);
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} else if (specialKey != SpecialKey::None) {
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modifierKey = input::translate_modifiers(event.key.keysym.mod);
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g_AppDelegate->onSpecialKeyUp(specialKey, modifierKey);
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} else if (modifierKey != ModifierKey::None) {
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g_AppDelegate->onModifierKeyUp(modifierKey);
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}
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}
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break;
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}
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case SDL_TEXTINPUT: {
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if (!ImGui::GetIO().WantCaptureKeyboard) {
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std::string str;
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str.assign(&event.text.text[0], SDL_TEXTINPUTEVENT_TEXT_SIZE);
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g_AppDelegate->onTextInput(str);
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}
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break;
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}
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case SDL_MOUSEBUTTONDOWN: {
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if (!ImGui::GetIO().WantCaptureMouse) {
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g_AppDelegate->onMouseButtonDown(event.button.x, event.button.y,
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input::translate_mouse_button(event.button.button), event.button.clicks);
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}
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break;
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}
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case SDL_MOUSEBUTTONUP: {
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if (!ImGui::GetIO().WantCaptureMouse) {
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g_AppDelegate->onMouseButtonUp(event.button.x, event.button.y,
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input::translate_mouse_button(event.button.button));
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}
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break;
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}
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case SDL_MOUSEMOTION: {
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if (!ImGui::GetIO().WantCaptureMouse) {
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g_AppDelegate->onMouseMove(event.motion.x, event.motion.y, event.motion.xrel, event.motion.yrel,
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input::translate_mouse_button_state(event.motion.state));
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}
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break;
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}
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case SDL_QUIT:
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g_AppDelegate->onAppExiting();
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Log.report(logvisor::Info, FMT_STRING("Received quit request"));
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return false;
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}
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// Log.report(logvisor::Info, FMT_STRING("Received SDL event: {}"), event.type);
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}
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return true;
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}
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void app_run(std::unique_ptr<AppDelegate> app, Icon icon, int argc, char** argv) noexcept {
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g_AppDelegate = std::move(app);
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/* Lets gather arguments skipping the program filename */
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for (size_t i = 1; i < argc; ++i) {
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g_Args.emplace_back(argv[i]);
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}
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#if !defined(_WIN32) && !defined(__APPLE__)
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SDL_SetHint(SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR, "0");
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#endif
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if (SDL_Init(SDL_INIT_EVERYTHING) < 0) {
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Log.report(logvisor::Fatal, FMT_STRING("Error initializing SDL: {}"), SDL_GetError());
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unreachable();
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}
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Uint32 flags = SDL_WINDOW_SHOWN | SDL_WINDOW_ALLOW_HIGHDPI | SDL_WINDOW_RESIZABLE;
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switch (gpu::preferredBackendType) {
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#ifdef DAWN_ENABLE_BACKEND_VULKAN
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case wgpu::BackendType::Vulkan:
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flags |= SDL_WINDOW_VULKAN;
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break;
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#endif
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#ifdef DAWN_ENABLE_BACKEND_METAL
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case wgpu::BackendType::Metal:
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flags |= SDL_WINDOW_METAL;
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break;
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#endif
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#ifdef DAWN_ENABLE_BACKEND_OPENGL
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case wgpu::BackendType::OpenGL:
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flags |= SDL_WINDOW_OPENGL;
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break;
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#endif
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default:
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break;
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}
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g_Window = SDL_CreateWindow("Metaforce", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 1280, 720, flags);
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if (g_Window == nullptr) {
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Log.report(logvisor::Fatal, FMT_STRING("Error creating window: {}"), SDL_GetError());
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unreachable();
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}
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set_window_icon(std::move(icon));
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gpu::initialize(g_Window);
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gfx::initialize();
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g_AppDpi = 1.0f;
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if (SDL_GetDisplayDPI(SDL_GetWindowDisplayIndex(g_Window), nullptr, &g_AppDpi, nullptr) == 0) {
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g_AppDpi /= 96.0f;
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}
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imgui::create_context();
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g_AppDelegate->onImGuiInit(g_AppDpi);
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imgui::initialize(g_Window);
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g_AppDelegate->onImGuiAddTextures();
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g_AppDelegate->onAppLaunched();
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g_AppDelegate->onAppWindowResized(get_window_size());
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while (poll_events()) {
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imgui::new_frame();
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if (!g_AppDelegate->onAppIdle(ImGui::GetIO().DeltaTime)) {
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break;
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}
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const wgpu::TextureView view = g_swapChain.GetCurrentTextureView();
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g_AppDelegate->onAppDraw();
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const auto encoderDescriptor = wgpu::CommandEncoderDescriptor{
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.label = "Redraw encoder",
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};
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auto encoder = g_device.CreateCommandEncoder(&encoderDescriptor);
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{
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const std::array attachments{
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wgpu::RenderPassColorAttachment{
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.view = view,
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// .resolveTarget = g_frameBufferResolved.view,
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.loadOp = wgpu::LoadOp::Clear,
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.storeOp = wgpu::StoreOp::Store,
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.clearColor = {0.f, 0.f, 0.f, 0.f},
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},
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};
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const auto depthStencilAttachment = wgpu::RenderPassDepthStencilAttachment{
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.view = g_depthBuffer.view,
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.depthLoadOp = wgpu::LoadOp::Clear,
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.depthStoreOp = wgpu::StoreOp::Discard,
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.clearDepth = 1.f,
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.stencilLoadOp = wgpu::LoadOp::Clear,
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.stencilStoreOp = wgpu::StoreOp::Discard,
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};
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auto renderPassDescriptor = wgpu::RenderPassDescriptor{
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.label = "Main render pass",
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.colorAttachmentCount = attachments.size(),
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.colorAttachments = attachments.data(),
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.depthStencilAttachment = &depthStencilAttachment,
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};
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auto pass = encoder.BeginRenderPass(&renderPassDescriptor);
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gfx::render(pass);
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pass.End();
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}
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{
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const std::array attachments{
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wgpu::RenderPassColorAttachment{
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.view = view,
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.loadOp = wgpu::LoadOp::Load,
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.storeOp = wgpu::StoreOp::Store,
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},
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};
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auto renderPassDescriptor = wgpu::RenderPassDescriptor{
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.label = "ImGui render pass",
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.colorAttachmentCount = attachments.size(),
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.colorAttachments = attachments.data(),
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};
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auto pass = encoder.BeginRenderPass(&renderPassDescriptor);
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imgui::render(pass);
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pass.End();
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}
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const auto buffer = encoder.Finish();
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g_queue.Submit(1, &buffer);
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g_swapChain.Present();
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g_AppDelegate->onAppPostDraw();
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ImGui::EndFrame();
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}
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g_AppDelegate->onAppExiting();
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imgui::shutdown();
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gfx::shutdown();
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gpu::shutdown();
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SDL_DestroyWindow(g_Window);
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SDL_Quit();
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}
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std::vector<std::string> get_args() noexcept { return g_Args; }
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WindowSize get_window_size() noexcept {
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int width, height;
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SDL_GetWindowSize(g_Window, &width, &height);
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return {static_cast<uint32_t>(width), static_cast<uint32_t>(height)};
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}
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void set_window_title(zstring_view title) noexcept { SDL_SetWindowTitle(g_Window, title.c_str()); }
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Backend get_backend() noexcept {
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switch (gpu::g_backendType) {
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case wgpu::BackendType::WebGPU:
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return Backend::WebGPU;
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case wgpu::BackendType::D3D11:
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return Backend::D3D11;
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case wgpu::BackendType::D3D12:
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return Backend::D3D12;
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case wgpu::BackendType::Metal:
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return Backend::Metal;
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case wgpu::BackendType::Vulkan:
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return Backend::Vulkan;
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case wgpu::BackendType::OpenGL:
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return Backend::OpenGL;
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case wgpu::BackendType::OpenGLES:
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return Backend::OpenGLES;
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default:
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return Backend::Invalid;
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}
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}
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std::string_view get_backend_string() noexcept { return magic_enum::enum_name(gpu::g_backendType); }
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void set_fullscreen(bool fullscreen) noexcept {
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SDL_SetWindowFullscreen(g_Window, fullscreen ? SDL_WINDOW_FULLSCREEN : 0);
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}
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int32_t get_controller_player_index(uint32_t which) noexcept {
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return input::player_index(which);
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}
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void set_controller_player_index(uint32_t which, int32_t index) noexcept { input::set_player_index(which, index); }
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bool is_controller_gamecube(uint32_t which) noexcept {
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return input::is_gamecube(which);
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}
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std::string get_controller_name(uint32_t instance) noexcept {
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return input::controller_name(instance);
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}
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} // namespace aurora
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