Files
yaze/src/app/core/controller.cc
2024-08-10 12:23:28 -04:00

555 lines
18 KiB
C++

#include "controller.h"
#include <SDL.h>
#include "imgui/backends/imgui_impl_sdl2.h"
#include "imgui/backends/imgui_impl_sdlrenderer2.h"
#include "imgui/imgui.h"
#include "imgui/imgui_internal.h"
#include <memory>
#include "absl/status/status.h"
#include "absl/strings/str_format.h"
#include "app/core/platform/file_path.h"
#include "app/core/platform/font_loader.h"
#include "app/editor/editor_manager.h"
#include "app/gui/icons.h"
#include "app/gui/style.h"
namespace yaze {
namespace app {
namespace core {
namespace {
constexpr ImGuiWindowFlags kMainEditorFlags =
ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoCollapse |
ImGuiWindowFlags_NoScrollbar | ImGuiWindowFlags_MenuBar |
ImGuiWindowFlags_NoBringToFrontOnFocus | ImGuiWindowFlags_NoTitleBar;
using ImGui::Begin;
using ImGui::End;
using ImGui::GetIO;
using ImGui::NewFrame;
using ImGui::SetNextWindowPos;
using ImGui::SetNextWindowSize;
void NewMasterFrame() {
const ImGuiIO &io = GetIO();
ImGui_ImplSDLRenderer2_NewFrame();
ImGui_ImplSDL2_NewFrame();
NewFrame();
SetNextWindowPos(gui::kZeroPos);
ImVec2 dimensions(io.DisplaySize.x, io.DisplaySize.y);
SetNextWindowSize(dimensions, ImGuiCond_Always);
if (!Begin("##YazeMain", nullptr, kMainEditorFlags)) {
End();
return;
}
}
void InitializeKeymap() {
ImGuiIO &io = ImGui::GetIO();
io.KeyMap[ImGuiKey_LeftSuper] = SDL_GetScancodeFromKey(SDLK_LGUI);
io.KeyMap[ImGuiKey_Backspace] = SDL_GetScancodeFromKey(SDLK_BACKSPACE);
io.KeyMap[ImGuiKey_LeftShift] = SDL_GetScancodeFromKey(SDLK_LSHIFT);
io.KeyMap[ImGuiKey_Enter] = SDL_GetScancodeFromKey(SDLK_RETURN);
io.KeyMap[ImGuiKey_UpArrow] = SDL_GetScancodeFromKey(SDLK_UP);
io.KeyMap[ImGuiKey_DownArrow] = SDL_GetScancodeFromKey(SDLK_DOWN);
io.KeyMap[ImGuiKey_LeftArrow] = SDL_GetScancodeFromKey(SDLK_LEFT);
io.KeyMap[ImGuiKey_RightArrow] = SDL_GetScancodeFromKey(SDLK_RIGHT);
io.KeyMap[ImGuiKey_Delete] = SDL_GetScancodeFromKey(SDLK_DELETE);
io.KeyMap[ImGuiKey_Escape] = SDL_GetScancodeFromKey(SDLK_ESCAPE);
io.KeyMap[ImGuiKey_Tab] = SDL_GetScancodeFromKey(SDLK_TAB);
io.KeyMap[ImGuiKey_LeftCtrl] = SDL_GetScancodeFromKey(SDLK_LCTRL);
io.KeyMap[ImGuiKey_PageUp] = SDL_GetScancodeFromKey(SDLK_PAGEUP);
io.KeyMap[ImGuiKey_PageDown] = SDL_GetScancodeFromKey(SDLK_PAGEDOWN);
io.KeyMap[ImGuiKey_Home] = SDL_GetScancodeFromKey(SDLK_HOME);
io.KeyMap[ImGuiKey_Space] = SDL_GetScancodeFromKey(SDLK_SPACE);
io.KeyMap[ImGuiKey_1] = SDL_GetScancodeFromKey(SDLK_1);
io.KeyMap[ImGuiKey_2] = SDL_GetScancodeFromKey(SDLK_2);
io.KeyMap[ImGuiKey_3] = SDL_GetScancodeFromKey(SDLK_3);
io.KeyMap[ImGuiKey_4] = SDL_GetScancodeFromKey(SDLK_4);
io.KeyMap[ImGuiKey_5] = SDL_GetScancodeFromKey(SDLK_5);
io.KeyMap[ImGuiKey_6] = SDL_GetScancodeFromKey(SDLK_6);
io.KeyMap[ImGuiKey_7] = SDL_GetScancodeFromKey(SDLK_7);
io.KeyMap[ImGuiKey_8] = SDL_GetScancodeFromKey(SDLK_8);
io.KeyMap[ImGuiKey_9] = SDL_GetScancodeFromKey(SDLK_9);
io.KeyMap[ImGuiKey_0] = SDL_GetScancodeFromKey(SDLK_0);
io.KeyMap[ImGuiKey_A] = SDL_GetScancodeFromKey(SDLK_a);
io.KeyMap[ImGuiKey_B] = SDL_GetScancodeFromKey(SDLK_b);
io.KeyMap[ImGuiKey_C] = SDL_GetScancodeFromKey(SDLK_c);
io.KeyMap[ImGuiKey_D] = SDL_GetScancodeFromKey(SDLK_d);
io.KeyMap[ImGuiKey_E] = SDL_GetScancodeFromKey(SDLK_e);
io.KeyMap[ImGuiKey_F] = SDL_GetScancodeFromKey(SDLK_f);
io.KeyMap[ImGuiKey_G] = SDL_GetScancodeFromKey(SDLK_g);
io.KeyMap[ImGuiKey_H] = SDL_GetScancodeFromKey(SDLK_h);
io.KeyMap[ImGuiKey_I] = SDL_GetScancodeFromKey(SDLK_i);
io.KeyMap[ImGuiKey_J] = SDL_GetScancodeFromKey(SDLK_j);
io.KeyMap[ImGuiKey_K] = SDL_GetScancodeFromKey(SDLK_k);
io.KeyMap[ImGuiKey_L] = SDL_GetScancodeFromKey(SDLK_l);
io.KeyMap[ImGuiKey_M] = SDL_GetScancodeFromKey(SDLK_m);
io.KeyMap[ImGuiKey_N] = SDL_GetScancodeFromKey(SDLK_n);
io.KeyMap[ImGuiKey_O] = SDL_GetScancodeFromKey(SDLK_o);
io.KeyMap[ImGuiKey_P] = SDL_GetScancodeFromKey(SDLK_p);
io.KeyMap[ImGuiKey_Q] = SDL_GetScancodeFromKey(SDLK_q);
io.KeyMap[ImGuiKey_R] = SDL_GetScancodeFromKey(SDLK_r);
io.KeyMap[ImGuiKey_S] = SDL_GetScancodeFromKey(SDLK_s);
io.KeyMap[ImGuiKey_T] = SDL_GetScancodeFromKey(SDLK_t);
io.KeyMap[ImGuiKey_U] = SDL_GetScancodeFromKey(SDLK_u);
io.KeyMap[ImGuiKey_V] = SDL_GetScancodeFromKey(SDLK_v);
io.KeyMap[ImGuiKey_W] = SDL_GetScancodeFromKey(SDLK_w);
io.KeyMap[ImGuiKey_X] = SDL_GetScancodeFromKey(SDLK_x);
io.KeyMap[ImGuiKey_Y] = SDL_GetScancodeFromKey(SDLK_y);
io.KeyMap[ImGuiKey_Z] = SDL_GetScancodeFromKey(SDLK_z);
io.KeyMap[ImGuiKey_F1] = SDL_GetScancodeFromKey(SDLK_F1);
io.KeyMap[ImGuiKey_F2] = SDL_GetScancodeFromKey(SDLK_F2);
io.KeyMap[ImGuiKey_F3] = SDL_GetScancodeFromKey(SDLK_F3);
io.KeyMap[ImGuiKey_F4] = SDL_GetScancodeFromKey(SDLK_F4);
io.KeyMap[ImGuiKey_F5] = SDL_GetScancodeFromKey(SDLK_F5);
io.KeyMap[ImGuiKey_F6] = SDL_GetScancodeFromKey(SDLK_F6);
io.KeyMap[ImGuiKey_F7] = SDL_GetScancodeFromKey(SDLK_F7);
io.KeyMap[ImGuiKey_F8] = SDL_GetScancodeFromKey(SDLK_F8);
io.KeyMap[ImGuiKey_F9] = SDL_GetScancodeFromKey(SDLK_F9);
io.KeyMap[ImGuiKey_F10] = SDL_GetScancodeFromKey(SDLK_F10);
io.KeyMap[ImGuiKey_F11] = SDL_GetScancodeFromKey(SDLK_F11);
io.KeyMap[ImGuiKey_F12] = SDL_GetScancodeFromKey(SDLK_F12);
}
void ImGui_ImplSDL2_SetClipboardText(void *user_data, const char *text) {
SDL_SetClipboardText(text);
}
const char *ImGui_ImplSDL2_GetClipboardText(void *user_data) {
return SDL_GetClipboardText();
}
void InitializeClipboard() {
ImGuiIO &io = ImGui::GetIO();
io.SetClipboardTextFn = ImGui_ImplSDL2_SetClipboardText;
io.GetClipboardTextFn = ImGui_ImplSDL2_GetClipboardText;
io.ClipboardUserData = nullptr;
}
void HandleKeyDown(SDL_Event &event, editor::EditorManager &editor) {
ImGuiIO &io = ImGui::GetIO();
io.KeysDown[event.key.keysym.scancode] = (event.type == SDL_KEYDOWN);
io.KeyShift = ((SDL_GetModState() & KMOD_SHIFT) != 0);
io.KeyCtrl = ((SDL_GetModState() & KMOD_CTRL) != 0);
io.KeyAlt = ((SDL_GetModState() & KMOD_ALT) != 0);
io.KeySuper = ((SDL_GetModState() & KMOD_GUI) != 0);
switch (event.key.keysym.sym) {
case SDLK_BACKSPACE:
case SDLK_LSHIFT:
case SDLK_LCTRL:
case SDLK_TAB:
io.KeysDown[event.key.keysym.scancode] = (event.type == SDL_KEYDOWN);
break;
case SDLK_z:
editor.emulator().snes().SetButtonState(1, 0, true);
break;
case SDLK_a:
editor.emulator().snes().SetButtonState(1, 1, true);
break;
case SDLK_RSHIFT:
editor.emulator().snes().SetButtonState(1, 2, true);
break;
case SDLK_RETURN:
editor.emulator().snes().SetButtonState(1, 3, true);
break;
case SDLK_UP:
editor.emulator().snes().SetButtonState(1, 4, true);
break;
case SDLK_DOWN:
editor.emulator().snes().SetButtonState(1, 5, true);
break;
case SDLK_LEFT:
editor.emulator().snes().SetButtonState(1, 6, true);
break;
case SDLK_RIGHT:
editor.emulator().snes().SetButtonState(1, 7, true);
break;
case SDLK_x:
editor.emulator().snes().SetButtonState(1, 8, true);
break;
case SDLK_s:
editor.emulator().snes().SetButtonState(1, 9, true);
break;
case SDLK_d:
editor.emulator().snes().SetButtonState(1, 10, true);
break;
case SDLK_c:
editor.emulator().snes().SetButtonState(1, 11, true);
break;
default:
break;
}
}
void HandleKeyUp(SDL_Event &event, editor::EditorManager &editor) {
ImGuiIO &io = ImGui::GetIO();
int key = event.key.keysym.scancode;
IM_ASSERT(key >= 0 && key < IM_ARRAYSIZE(io.KeysDown));
io.KeysDown[key] = (event.type == SDL_KEYDOWN);
io.KeyShift = ((SDL_GetModState() & KMOD_SHIFT) != 0);
io.KeyCtrl = ((SDL_GetModState() & KMOD_CTRL) != 0);
io.KeyAlt = ((SDL_GetModState() & KMOD_ALT) != 0);
io.KeySuper = ((SDL_GetModState() & KMOD_GUI) != 0);
switch (event.key.keysym.sym) {
case SDLK_z:
editor.emulator().snes().SetButtonState(1, 0, false);
break;
case SDLK_a:
editor.emulator().snes().SetButtonState(1, 1, false);
break;
case SDLK_RSHIFT:
editor.emulator().snes().SetButtonState(1, 2, false);
break;
case SDLK_RETURN:
editor.emulator().snes().SetButtonState(1, 3, false);
break;
case SDLK_UP:
editor.emulator().snes().SetButtonState(1, 4, false);
break;
case SDLK_DOWN:
editor.emulator().snes().SetButtonState(1, 5, false);
break;
case SDLK_LEFT:
editor.emulator().snes().SetButtonState(1, 6, false);
break;
case SDLK_RIGHT:
editor.emulator().snes().SetButtonState(1, 7, false);
break;
case SDLK_x:
editor.emulator().snes().SetButtonState(1, 8, false);
break;
case SDLK_s:
editor.emulator().snes().SetButtonState(1, 9, false);
break;
case SDLK_d:
editor.emulator().snes().SetButtonState(1, 10, false);
break;
case SDLK_c:
editor.emulator().snes().SetButtonState(1, 11, false);
break;
default:
break;
}
}
void ChangeWindowSizeEvent(SDL_Event &event) {
ImGuiIO &io = ImGui::GetIO();
io.DisplaySize.x = static_cast<float>(event.window.data1);
io.DisplaySize.y = static_cast<float>(event.window.data2);
}
void HandleMouseMovement(int &wheel) {
ImGuiIO &io = ImGui::GetIO();
int mouseX;
int mouseY;
const int buttons = SDL_GetMouseState(&mouseX, &mouseY);
io.DeltaTime = 1.0f / 60.0f;
io.MousePos = ImVec2(static_cast<float>(mouseX), static_cast<float>(mouseY));
io.MouseDown[0] = buttons & SDL_BUTTON(SDL_BUTTON_LEFT);
io.MouseDown[1] = buttons & SDL_BUTTON(SDL_BUTTON_RIGHT);
io.MouseDown[2] = buttons & SDL_BUTTON(SDL_BUTTON_MIDDLE);
io.MouseWheel = static_cast<float>(wheel);
}
} // namespace
absl::Status Controller::OnEntry(std::string filename) {
#if defined(__APPLE__) && defined(__MACH__)
#if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1
platform_ = Platform::kiOS;
#elif TARGET_OS_MAC == 1
platform_ = Platform::kMacOS;
#endif
#elif defined(_WIN32)
platform_ = Platform::kWindows;
#elif defined(__linux__)
platform_ = Platform::kLinux;
#else
platform_ = Platform::kUnknown;
#endif
RETURN_IF_ERROR(CreateSDL_Window())
RETURN_IF_ERROR(CreateRenderer())
RETURN_IF_ERROR(CreateGuiContext())
if (flags()->kLoadAudioDevice) {
RETURN_IF_ERROR(LoadAudioDevice())
editor_manager_.emulator().set_audio_buffer(audio_buffer_);
editor_manager_.emulator().set_audio_device_id(audio_device_);
}
InitializeKeymap();
editor_manager_.SetupScreen(filename);
active_ = true;
return absl::OkStatus();
}
void Controller::OnInput() {
int wheel = 0;
SDL_Event event;
ImGuiIO &io = ImGui::GetIO();
while (SDL_PollEvent(&event)) {
switch (event.type) {
case SDL_KEYDOWN:
HandleKeyDown(event, editor_manager_);
break;
case SDL_KEYUP:
HandleKeyUp(event, editor_manager_);
break;
case SDL_TEXTINPUT:
io.AddInputCharactersUTF8(event.text.text);
break;
case SDL_MOUSEWHEEL:
wheel = event.wheel.y;
break;
case SDL_WINDOWEVENT:
switch (event.window.event) {
case SDL_WINDOWEVENT_CLOSE:
active_ = false;
break;
case SDL_WINDOWEVENT_SIZE_CHANGED:
ChangeWindowSizeEvent(event);
break;
default:
break;
}
break;
default:
break;
}
}
HandleMouseMovement(wheel);
}
absl::Status Controller::OnLoad() {
if (editor_manager_.quit()) {
active_ = false;
}
#if TARGET_OS_IPHONE != 1
if (platform_ != Platform::kiOS) {
NewMasterFrame();
}
#endif
RETURN_IF_ERROR(editor_manager_.Update());
#if TARGET_OS_IPHONE != 1
if (platform_ != Platform::kiOS) {
End();
}
#endif
return absl::OkStatus();
}
void Controller::DoRender() const {
ImGui::Render();
SDL_RenderClear(Renderer::GetInstance().renderer());
ImGui_ImplSDLRenderer2_RenderDrawData(ImGui::GetDrawData(),
Renderer::GetInstance().renderer());
SDL_RenderPresent(Renderer::GetInstance().renderer());
}
void Controller::OnExit() {
if (flags()->kLoadAudioDevice) {
SDL_PauseAudioDevice(audio_device_, 1);
SDL_CloseAudioDevice(audio_device_);
delete audio_buffer_;
}
ImGui_ImplSDLRenderer2_Shutdown();
ImGui_ImplSDL2_Shutdown();
ImGui::DestroyContext();
SDL_Quit();
}
absl::Status Controller::CreateSDL_Window() {
auto sdl_flags = SDL_INIT_VIDEO | SDL_INIT_TIMER;
if (flags()->kUseNewImGuiInput) {
sdl_flags |= SDL_INIT_GAMECONTROLLER;
}
if (flags()->kLoadAudioDevice) {
sdl_flags |= SDL_INIT_AUDIO;
}
if (SDL_Init(sdl_flags) != 0) {
return absl::InternalError(
absl::StrFormat("SDL_Init: %s\n", SDL_GetError()));
} else {
SDL_DisplayMode displayMode;
SDL_GetCurrentDisplayMode(0, &displayMode);
int screenWidth = displayMode.w * 0.8;
int screenHeight = displayMode.h * 0.8;
window_ = std::unique_ptr<SDL_Window, core::SDL_Deleter>(
SDL_CreateWindow("Yet Another Zelda3 Editor", // window title
SDL_WINDOWPOS_UNDEFINED, // initial x position
SDL_WINDOWPOS_UNDEFINED, // initial y position
screenWidth, // width, in pixels
screenHeight, // height, in pixels
SDL_WINDOW_RESIZABLE),
core::SDL_Deleter());
if (window_ == nullptr) {
return absl::InternalError(
absl::StrFormat("SDL_CreateWindow: %s\n", SDL_GetError()));
}
}
return absl::OkStatus();
}
absl::Status Controller::CreateRenderer() {
return Renderer::GetInstance().CreateRenderer(window_.get());
}
absl::Status Controller::CreateGuiContext() {
IMGUI_CHECKVERSION();
ImGui::CreateContext();
ImGuiIO &io = ImGui::GetIO();
io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;
if (flags()->kUseNewImGuiInput) {
io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad;
}
// Initialize ImGui for SDL
ImGui_ImplSDL2_InitForSDLRenderer(window_.get(),
Renderer::GetInstance().renderer());
ImGui_ImplSDLRenderer2_Init(Renderer::GetInstance().renderer());
if (flags()->kLoadSystemFonts) {
LoadSystemFonts();
} else {
RETURN_IF_ERROR(LoadFontFamilies());
}
// Set the default style
gui::ColorsYaze();
// Build a new ImGui frame
ImGui_ImplSDLRenderer2_NewFrame();
ImGui_ImplSDL2_NewFrame();
return absl::OkStatus();
}
absl::Status Controller::LoadFontFamilies() const {
ImGuiIO &io = ImGui::GetIO();
const char *assets_path = "assets/font/";
static const char *KARLA_REGULAR = "Karla-Regular.ttf";
static const char *ROBOTO_MEDIUM = "Roboto-Medium.ttf";
static const char *COUSINE_REGULAR = "Cousine-Regular.ttf";
static const char *DROID_SANS = "DroidSans.ttf";
static const char *NOTO_SANS_JP = "NotoSansJP.ttf";
static const char *IBM_PLEX_JP = "IBMPlexSansJP-Bold.ttf";
static const float FONT_SIZE_DEFAULT = 14.0f;
static const float FONT_SIZE_DROID_SANS = 16.0f;
static const float ICON_FONT_SIZE = 18.0f;
// Icon configuration
static const ImWchar icons_ranges[] = {ICON_MIN_MD, 0xf900, 0};
ImFontConfig icons_config;
icons_config.MergeMode = true;
icons_config.GlyphOffset.y = 5.0f;
icons_config.GlyphMinAdvanceX = 13.0f;
icons_config.PixelSnapH = true;
// Japanese font configuration
ImFontConfig japanese_font_config;
japanese_font_config.MergeMode = true;
icons_config.GlyphOffset.y = 5.0f;
icons_config.GlyphMinAdvanceX = 13.0f;
icons_config.PixelSnapH = true;
// List of fonts to be loaded
std::vector<const char *> font_paths = {KARLA_REGULAR, ROBOTO_MEDIUM,
COUSINE_REGULAR, IBM_PLEX_JP};
// Load fonts with associated icon and Japanese merges
for (const auto &font_path : font_paths) {
float font_size =
(font_path == DROID_SANS) ? FONT_SIZE_DROID_SANS : FONT_SIZE_DEFAULT;
std::string actual_font_path;
#ifdef __APPLE__
#if TARGET_OS_IOS == 1
const std::string kBundlePath = GetBundleResourcePath();
actual_font_path = kBundlePath + font_path;
#else
actual_font_path = std::filesystem::absolute(font_path).string();
#endif
#else
actual_font_path = font_path;
#endif
if (!io.Fonts->AddFontFromFileTTF(actual_font_path.data(), font_size)) {
return absl::InternalError(
absl::StrFormat("Failed to load font from %s", actual_font_path));
}
// Merge icon set
std::string actual_icon_font_path = "";
const char *icon_font_path = FONT_ICON_FILE_NAME_MD;
#if defined(__APPLE__) && defined(__MACH__)
#if TARGET_OS_IOS == 1
const std::string kIconBundlePath = GetBundleResourcePath();
actual_icon_font_path = kIconBundlePath + "MaterialIcons-Regular.ttf";
#else
actual_icon_font_path = std::filesystem::absolute(icon_font_path).string();
#endif
#else
#endif
io.Fonts->AddFontFromFileTTF(actual_icon_font_path.data(), ICON_FONT_SIZE,
&icons_config, icons_ranges);
// Merge Japanese font
std::string actual_japanese_font_path = "";
const char *japanese_font_path = NOTO_SANS_JP;
#if defined(__APPLE__) && defined(__MACH__)
#if TARGET_OS_IOS == 1
const std::string kJapaneseBundlePath = GetBundleResourcePath();
actual_japanese_font_path = kJapaneseBundlePath + japanese_font_path;
#else
actual_japanese_font_path =
std::filesystem::absolute(japanese_font_path).string();
#endif
#else
#endif
io.Fonts->AddFontFromFileTTF(actual_japanese_font_path.data(), 18.0f,
&japanese_font_config,
io.Fonts->GetGlyphRangesJapanese());
}
return absl::OkStatus();
}
absl::Status Controller::LoadAudioDevice() {
SDL_AudioSpec want, have;
SDL_memset(&want, 0, sizeof(want));
want.freq = audio_frequency_;
want.format = AUDIO_S16;
want.channels = 2;
want.samples = 2048;
want.callback = NULL; // Uses the queue
audio_device_ = SDL_OpenAudioDevice(NULL, 0, &want, &have, 0);
if (audio_device_ == 0) {
return absl::InternalError(
absl::StrFormat("Failed to open audio: %s\n", SDL_GetError()));
}
audio_buffer_ = new int16_t[audio_frequency_ / 50 * 4];
editor_manager_.emulator().set_audio_buffer(audio_buffer_);
SDL_PauseAudioDevice(audio_device_, 0);
return absl::OkStatus();
}
} // namespace core
} // namespace app
} // namespace yaze