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- /*!
- * \file src/UI.cpp
- * \brief UI interface manager
- *
- * \author xythobuz
- */
-
- #include "imgui/imgui.h"
- #include "stb/stb_image.h"
-
- #include "global.h"
- #include "Camera.h"
- #include "Console.h"
- #include "Game.h"
- #include "Log.h"
- #include "Menu.h"
- #include "Render.h"
- #include "RunTime.h"
- #include "SoundManager.h"
- #include "TextureManager.h"
- #include "World.h"
- #include "commands/Command.h"
- #include "system/Sound.h"
- #include "system/Window.h"
- #include "utils/time.h"
- #include "UI.h"
-
- Shader UI::imguiShader;
- bool UI::visible = false;
- unsigned int UI::fontTex;
- std::string UI::iniFilename;
- std::string UI::logFilename;
- bool UI::metaKeyIsActive = false;
-
- std::list<std::tuple<KeyboardButton, bool>> UI::keyboardEvents;
- std::list<std::tuple<unsigned int, unsigned int, KeyboardButton, bool>> UI::clickEvents;
- std::list<std::tuple<int, int, int, int>> UI::motionEvents;
- std::list<std::tuple<int, int>> UI::scrollEvents;
-
- void UI::setSize(glm::i32vec2 s) {
- ImGuiIO& io = ImGui::GetIO();
- io.DisplaySize = ImVec2(s.x, s.y);
- }
-
- int UI::initialize() {
- if (imguiShader.compile(imguiShaderVertex, imguiShaderFragment) < 0)
- return -1;
- if (imguiShader.addUniform("screen") < 0)
- return -2;
- if (imguiShader.addUniform("textureSampler") < 0)
- return -3;
-
- iniFilename = RunTime::getBaseDir() + "/imgui.ini";
- logFilename = RunTime::getBaseDir() + "/imgui_log.txt";
-
- ImGuiIO& io = ImGui::GetIO();
- io.DisplaySize = ImVec2(Window::getSize().x, Window::getSize().y);
- io.DeltaTime = 1.0f / 60.0f;
-
- io.IniFilename = iniFilename.c_str();
- io.LogFilename = logFilename.c_str();
-
- io.KeyMap[ImGuiKey_Tab] = tabKey;
- io.KeyMap[ImGuiKey_LeftArrow] = leftKey;
- io.KeyMap[ImGuiKey_RightArrow] = rightKey;
- io.KeyMap[ImGuiKey_UpArrow] = upKey;
- io.KeyMap[ImGuiKey_DownArrow] = downKey;
- io.KeyMap[ImGuiKey_Home] = homeKey;
- io.KeyMap[ImGuiKey_End] = endKey;
- io.KeyMap[ImGuiKey_Delete] = delKey;
- io.KeyMap[ImGuiKey_Backspace] = backspaceKey;
- io.KeyMap[ImGuiKey_Enter] = enterKey;
- io.KeyMap[ImGuiKey_Escape] = escapeKey;
- io.KeyMap[ImGuiKey_A] = aKey;
- io.KeyMap[ImGuiKey_C] = cKey;
- io.KeyMap[ImGuiKey_V] = vKey;
- io.KeyMap[ImGuiKey_X] = xKey;
- io.KeyMap[ImGuiKey_Y] = yKey;
- io.KeyMap[ImGuiKey_Z] = zKey;
-
- io.RenderDrawListsFn = UI::renderImGui;
-
- // Load font texture
- //! \todo Use our own font subsystem instead of this?
- const void* png_data;
- unsigned int png_size;
- ImGui::GetDefaultFontData(nullptr, nullptr, &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);
-
- fontTex = TextureManager::loadBufferSlot((unsigned char*)tex_data,
- tex_x, tex_y, ColorMode::RGBA, 32,
- TextureStorage::SYSTEM, -1, false);
-
- stbi_image_free(tex_data);
-
- // Set up OpenRaider style
- ImGuiStyle& style = ImGui::GetStyle();
- style.Colors[ImGuiCol_Text] = ImVec4(0.90f, 0.90f, 0.90f, 1.00f);
- style.Colors[ImGuiCol_WindowBg] = ImVec4(0.00f, 0.00f, 0.00f, 1.00f);
- style.Colors[ImGuiCol_Border] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
- style.Colors[ImGuiCol_BorderShadow] = ImVec4(0.00f, 0.00f, 0.00f, 0.60f);
- style.Colors[ImGuiCol_FrameBg] = ImVec4(0.80f, 0.80f, 0.80f, 0.30f);
- style.Colors[ImGuiCol_TitleBg] = ImVec4(0.50f, 0.70f, 1.00f, 0.45f);
- style.Colors[ImGuiCol_TitleBgCollapsed] = ImVec4(0.40f, 0.65f, 1.00f, 0.20f);
- style.Colors[ImGuiCol_ScrollbarBg] = ImVec4(0.40f, 0.65f, 1.00f, 0.15f);
- style.Colors[ImGuiCol_ScrollbarGrab] = ImVec4(0.40f, 0.65f, 1.00f, 0.30f);
- style.Colors[ImGuiCol_ScrollbarGrabHovered] = ImVec4(0.40f, 0.65f, 1.00f, 0.40f);
- style.Colors[ImGuiCol_ScrollbarGrabActive] = ImVec4(1.00f, 0.16f, 0.16f, 0.40f);
- style.Colors[ImGuiCol_ComboBg] = ImVec4(0.20f, 0.20f, 0.20f, 0.99f);
- style.Colors[ImGuiCol_CheckHovered] = ImVec4(1.00f, 0.40f, 0.40f, 0.45f);
- style.Colors[ImGuiCol_CheckActive] = ImVec4(0.65f, 0.50f, 0.50f, 0.55f);
- style.Colors[ImGuiCol_CheckMark] = ImVec4(0.90f, 0.90f, 0.90f, 0.50f);
- style.Colors[ImGuiCol_SliderGrab] = ImVec4(1.00f, 1.00f, 1.00f, 0.30f);
- style.Colors[ImGuiCol_SliderGrabActive] = ImVec4(1.00f, 0.20f, 0.22f, 1.00f);
- style.Colors[ImGuiCol_Button] = ImVec4(1.00f, 0.20f, 0.20f, 0.60f);
- style.Colors[ImGuiCol_ButtonHovered] = ImVec4(1.00f, 0.20f, 0.18f, 1.00f);
- style.Colors[ImGuiCol_ButtonActive] = ImVec4(1.00f, 0.00f, 0.00f, 1.00f);
- style.Colors[ImGuiCol_Header] = ImVec4(0.21f, 0.54f, 1.00f, 0.45f);
- style.Colors[ImGuiCol_HeaderHovered] = ImVec4(0.22f, 0.56f, 1.00f, 0.80f);
- style.Colors[ImGuiCol_HeaderActive] = ImVec4(0.00f, 0.31f, 1.00f, 1.00f);
- style.Colors[ImGuiCol_Column] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
- style.Colors[ImGuiCol_ColumnHovered] = ImVec4(0.60f, 0.40f, 0.40f, 1.00f);
- style.Colors[ImGuiCol_ColumnActive] = ImVec4(0.80f, 0.50f, 0.50f, 1.00f);
- style.Colors[ImGuiCol_ResizeGrip] = ImVec4(1.00f, 1.00f, 1.00f, 0.30f);
- style.Colors[ImGuiCol_ResizeGripHovered] = ImVec4(1.00f, 1.00f, 1.00f, 0.60f);
- style.Colors[ImGuiCol_ResizeGripActive] = ImVec4(1.00f, 1.00f, 1.00f, 0.90f);
- style.Colors[ImGuiCol_CloseButton] = ImVec4(0.21f, 0.56f, 1.00f, 0.50f);
- style.Colors[ImGuiCol_CloseButtonHovered] = ImVec4(0.21f, 0.32f, 1.00f, 0.60f);
- style.Colors[ImGuiCol_CloseButtonActive] = ImVec4(0.70f, 0.70f, 0.70f, 1.00f);
- style.Colors[ImGuiCol_PlotLines] = ImVec4(1.00f, 1.00f, 1.00f, 1.00f);
- style.Colors[ImGuiCol_PlotLinesHovered] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
- style.Colors[ImGuiCol_PlotHistogram] = ImVec4(0.90f, 0.70f, 0.00f, 1.00f);
- style.Colors[ImGuiCol_PlotHistogramHovered] = ImVec4(1.00f, 0.60f, 0.00f, 1.00f);
- style.Colors[ImGuiCol_TextSelectedBg] = ImVec4(0.00f, 0.00f, 1.00f, 0.35f);
- style.Colors[ImGuiCol_TooltipBg] = ImVec4(0.05f, 0.05f, 0.10f, 0.90f);
- style.WindowPadding = ImVec2(2, 2);
- style.WindowRounding = 9;
- style.FramePadding = ImVec2(2, 1);
- style.ItemSpacing = ImVec2(2, 2);
- style.ItemInnerSpacing = ImVec2(1, 1);
- style.TouchExtraPadding = ImVec2(0, 0);
- style.TreeNodeSpacing = 3;
- style.ScrollBarWidth = 10;
-
- return 0;
- }
-
- void UI::eventsFinished() {
- ImGuiIO& io = ImGui::GetIO();
- io.DisplaySize = ImVec2(Window::getSize().x, Window::getSize().y);
-
- static unsigned long lastTime = 0;
- io.DeltaTime = ((float)(systemTimerGet() - lastTime)) / 1000.0f;
- lastTime = systemTimerGet();
- if (io.DeltaTime <= 0.0f)
- io.DeltaTime = 1.0f / 60.0f;
-
- ImGui::NewFrame();
-
- if (!(visible || Console::isVisible())) {
- while (!clickEvents.empty()) {
- auto i = clickEvents.front();
- if (getMenu().isVisible()) {
- getMenu().handleMouseClick(std::get<0>(i), std::get<1>(i),
- std::get<2>(i), std::get<3>(i));
- }
- clickEvents.pop_front();
- }
-
- while (!motionEvents.empty()) {
- auto i = motionEvents.front();
- if (!getMenu().isVisible()) {
- getGame().handleMouseMotion(std::get<0>(i), std::get<1>(i),
- std::get<2>(i), std::get<3>(i));
- }
- motionEvents.pop_front();
- }
-
- while (!scrollEvents.empty()) {
- auto i = scrollEvents.front();
- if (getMenu().isVisible()) {
- getMenu().handleMouseScroll(std::get<0>(i), std::get<1>(i));
- }
- scrollEvents.pop_front();
- }
- }
-
- while (!keyboardEvents.empty()) {
- auto i = keyboardEvents.front();
-
- if (!(visible || Console::isVisible())) {
- if (getMenu().isVisible()) {
- getMenu().handleKeyboard(std::get<0>(i), std::get<1>(i));
- } else {
- for (int n = forwardAction; n < ActionEventCount; n++) {
- if (RunTime::getKeyBinding((ActionEvents)n) == std::get<0>(i))
- getGame().handleAction((ActionEvents)n, !std::get<1>(i));
- }
- }
- }
-
- if (std::get<1>(i)) {
- if (!(visible || Console::isVisible())) {
- if (RunTime::getKeyBinding(menuAction) == std::get<0>(i)) {
- getMenu().setVisible(!getMenu().isVisible());
- }
- }
-
- if ((!io.WantCaptureKeyboard) || (!(visible || Console::isVisible()))) {
- if (!metaKeyIsActive) {
- if (RunTime::getKeyBinding(debugAction) == std::get<0>(i)) {
- visible = !visible;
- }
-
- if (RunTime::getKeyBinding(consoleAction) == std::get<0>(i)) {
- Console::setVisible(!Console::isVisible());
- }
- }
- }
- }
-
- keyboardEvents.pop_front();
- }
-
- bool clicked = !clickEvents.empty();
- clickEvents.clear();
- motionEvents.clear();
- scrollEvents.clear();
-
- if ((visible || Console::isVisible()) && (
- ((!io.WantCaptureKeyboard) && io.KeysDown[escapeKey])
- || ((!io.WantCaptureMouse) && clicked)
- )) {
- visible = false;
- Console::setVisible(false);
- }
-
- if (Window::getTextInput() != (visible || Console::isVisible()))
- Window::setTextInput(visible || Console::isVisible());
-
- bool input = !(visible || Console::isVisible() || getMenu().isVisible());
- if (Window::getMousegrab() != input)
- Window::setMousegrab(input);
-
- io.MouseWheel = 0;
- }
-
- void UI::display() {
- if (RunTime::getShowFPS()) {
- if (ImGui::Begin("Debug Overlay", nullptr, ImVec2(0,0), 0.3f,
- ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoResize
- | ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoSavedSettings
- | ImGuiWindowFlags_AlwaysAutoResize)) {
- ImGui::Text("%d FPS", RunTime::getFPS());
- ImGui::Text("X: %.1f (%.2f)", Camera::getPosition().x, Camera::getRotation().x);
- ImGui::Text("Y: %.2f (%.2f)", Camera::getPosition().y, Camera::getRotation().y);
- ImGui::Text("Z: %.2f", Camera::getPosition().z);
-
- auto window = ImGui::GetWindowSize();
- auto screen = Window::getSize();
- ImGui::SetWindowPos(ImVec2(10, screen.y - window.y - 10));
- }
- ImGui::End();
- }
-
- Console::display();
-
- if (!visible) {
- ImGui::Render();
- return;
- }
-
- static bool showTestWindow = false;
- static bool showStyleWindow = false;
- if (ImGui::Begin("Engine", &visible, ImVec2(400, 400))) {
- Render::displayUI();
- RunTime::display();
- SoundManager::display();
-
- /*
- static bool visibleTex = false;
- static bool visibleTile = false;
- static bool visibleAnim = false;
- static bool visibleSprite = false;
- if (ImGui::CollapsingHeader("Texture Viewer")) {
- static bool game = getGame().isLoaded();
- static int index = 0;
- ImGui::PushItemWidth(ImGui::GetWindowWidth() * 0.5f);
- ImGui::SliderInt("##texslide", &index, 0, TextureManager::.numTextures(
- game ? TextureStorage::GAME : TextureStorage::SYSTEM) - 1);
- ImGui::PopItemWidth();
- ImGui::SameLine();
- if (ImGui::Button("+##texplus", ImVec2(0, 0), true)) {
- if (index < (TextureManager::numTextures(
- game ? TextureStorage::GAME : TextureStorage::SYSTEM) - 1))
- index++;
- else
- index = 0;
- }
- ImGui::SameLine();
- if (ImGui::Button("-##texminus", ImVec2(0, 0), true)) {
- if (index > 0)
- index--;
- else
- index = TextureManager::numTextures(
- game ? TextureStorage::GAME : TextureStorage::SYSTEM) - 1;
- }
- ImGui::SameLine();
- if ((TextureManager::numTextures() > 0)) {
- ImGui::Checkbox("Game##texgame", &game);
- } else {
- game = false;
- }
- ImGui::SameLine();
- if (ImGui::Button("Show##texshow")) {
- visibleTex = true;
- visibleTile = false;
- visibleAnim = false;
- visibleSprite = false;
- }
- ImGui::SameLine();
- if (ImGui::Button("Clear##texclear")) {
- getRender().debugDisplayTexture();
- visibleTex = false;
- }
- if (visibleTex) {
- getRender().debugDisplayTexture(index,
- game ? TextureStorage::GAME : TextureStorage::SYSTEM,
- ImGui::GetWindowPos().x - ImGui::GetWindowWidth(),
- ImGui::GetWindowPos().y,
- ImGui::GetWindowWidth(), ImGui::GetWindowWidth());
- }
- }
-
- if (ImGui::CollapsingHeader("Textile Viewer")) {
- if (TextureManager::numTiles() > 0) {
- static int index = 0;
- ImGui::PushItemWidth(ImGui::GetWindowWidth() * 0.5f);
- ImGui::SliderInt("##tileslide", &index, 0, TextureManager::numTiles() - 1);
- ImGui::PopItemWidth();
- ImGui::SameLine();
- if (ImGui::Button("+##tileplus", ImVec2(0, 0), true)) {
- if (index < (TextureManager::numTiles() - 1))
- index++;
- else
- index = 0;
- }
- ImGui::SameLine();
- if (ImGui::Button("-##tileminus", ImVec2(0, 0), true)) {
- if (index > 0)
- index--;
- else
- index = TextureManager::numTiles() - 1;
- }
- ImGui::SameLine();
- if (ImGui::Button("Show##tileshow")) {
- visibleTile = true;
- visibleTex = false;
- visibleAnim = false;
- visibleSprite = false;
- }
- ImGui::SameLine();
- if (ImGui::Button("Clear##tileclear")) {
- getRender().debugDisplayTextile();
- visibleTile = false;
- }
- if (visibleTile && (index < TextureManager::numTiles())) {
- ImGui::Text(TextureManager::.getTile(index).isTriangle() ? "Triangle" : "Rectangle");
- }
- if (visibleTile) {
- getRender().debugDisplayTextile(index,
- ImGui::GetWindowPos().x - (ImGui::GetWindowWidth() / 2),
- ImGui::GetWindowPos().y,
- (ImGui::GetWindowWidth() / 2), (ImGui::GetWindowWidth() / 2));
- }
- } else {
- ImGui::Text("Please load a level using the new loader!");
- }
- }
-
- if (ImGui::CollapsingHeader("Animated Textile Viewer")) {
- if (TextureManager::.numAnimatedTiles() > 0) {
- static int index = 0;
- static int tile = TextureManager::.getFirstTileAnimation(index);
- ImGui::PushItemWidth(ImGui::GetWindowWidth() * 0.5f);
- if (ImGui::SliderInt("##animslide", &index, 0, TextureManager::.numAnimatedTiles() - 1)) {
- tile = TextureManager::.getFirstTileAnimation(index);
- }
- ImGui::PopItemWidth();
- ImGui::SameLine();
- if (ImGui::Button("+##animplus", ImVec2(0, 0), true)) {
- if (index < (TextureManager::.numAnimatedTiles() - 1))
- index++;
- else
- index = 0;
- tile = TextureManager::.getFirstTileAnimation(index);
- }
- ImGui::SameLine();
- if (ImGui::Button("-##animminus", ImVec2(0, 0), true)) {
- if (index > 0)
- index--;
- else
- index = TextureManager::.numAnimatedTiles() - 1;
- tile = TextureManager::.getFirstTileAnimation(index);
- }
- ImGui::SameLine();
- if (ImGui::Button("Show##animshow")) {
- visibleAnim = true;
- visibleTex = false;
- visibleTile = false;
- visibleSprite = false;
- }
- ImGui::SameLine();
- if (ImGui::Button("Clear##animclear")) {
- getRender().debugDisplayTextile();
- visibleAnim = false;
- }
- if (visibleAnim) {
- static int fr = 0;
- if (fr > 0) {
- fr--;
- } else {
- getRender().debugDisplayTextile(tile,
- ImGui::GetWindowPos().x - (ImGui::GetWindowWidth() / 2),
- ImGui::GetWindowPos().y,
- (ImGui::GetWindowWidth() / 2), (ImGui::GetWindowWidth() / 2));
- fr = RunTime::getFPS() / 2;
- tile = TextureManager::.getNextTileAnimation(tile);
- }
- ImGui::Text("Current Tile: %d", tile);
- }
- } else {
- ImGui::Text("Please load a level with animated textures!");
- }
- }
-
- if (ImGui::CollapsingHeader("Sprite Sequence Viewer")) {
- if (getWorld().sizeSprite() <= 0) {
- ImGui::Text("Please load a level containing sprites!");
- } else {
- static int index = 0;
- static int sprite = 0;
- ImGui::PushItemWidth(ImGui::GetWindowWidth() * 0.5f);
- if (ImGui::SliderInt("##spriteslide", &index, 0, getWorld().sizeSprite() - 1))
- sprite = 0;
- ImGui::PopItemWidth();
- ImGui::SameLine();
- if (ImGui::Button("+##spriteplus", ImVec2(0, 0), true)) {
- if (index < (getWorld().sizeSprite() - 1))
- index++;
- else
- index = 0;
- sprite = 0;
- }
- ImGui::SameLine();
- if (ImGui::Button("-##spriteminus", ImVec2(0, 0), true)) {
- if (index > 0)
- index--;
- else
- index = getWorld().sizeSprite() - 1;
- sprite = 0;
- }
- ImGui::SameLine();
- if (ImGui::Button("Show##spriteshow")) {
- visibleSprite = true;
- visibleTex = false;
- visibleTile = false;
- visibleAnim = false;
- sprite = 0;
- }
- ImGui::SameLine();
- if (ImGui::Button("Clear##spriteclear")) {
- getRender().debugDisplaySprite();
- visibleSprite = false;
- }
- if (visibleSprite) {
- static int fr = 0;
- if (fr > 0) {
- fr--;
- } else {
- getRender().debugDisplaySprite(index, sprite,
- ImGui::GetWindowPos().x - (ImGui::GetWindowWidth() / 2),
- ImGui::GetWindowPos().y,
- (ImGui::GetWindowWidth() / 2), (ImGui::GetWindowWidth() / 2));
- fr = RunTime::getFPS() / 10;
- if (sprite < (getWorld().getSprite(index).size() - 1))
- sprite++;
- else
- sprite = 0;
- }
-
- ImGui::Text("Sprite %d/%d", sprite + 1, getWorld().getSprite(index).size());
- }
- }
- }
- */
-
- if (ImGui::CollapsingHeader("ImGui/Debug UI Help")) {
- //ImGui::TextWrapped("DebugViewer Textures/Textiles/Sprites will be drawn on"
- // " the left side and scale with the size of this window!");
- //ImGui::Separator();
- ImGui::ShowUserGuide();
- ImGui::Separator();
- if (ImGui::Button("Show/Hide Test Window")) {
- showTestWindow = !showTestWindow;
- }
- ImGui::SameLine();
- if (ImGui::Button("Show/Hide Style Editor")) {
- showStyleWindow = !showStyleWindow;
- }
- }
- }
- ImGui::End();
-
- if (showTestWindow)
- ImGui::ShowTestWindow();
-
- if (showStyleWindow)
- ImGui::ShowStyleEditor();
-
- ImGui::Render();
- }
-
- void UI::shutdown() {
- ImGui::Shutdown();
- }
-
- void UI::handleKeyboard(KeyboardButton key, bool pressed) {
- ImGuiIO& io = ImGui::GetIO();
- io.KeysDown[key] = pressed;
- io.KeyCtrl = io.KeysDown[leftctrlKey] | io.KeysDown[rightctrlKey];
- io.KeyShift = io.KeysDown[leftshiftKey] | io.KeysDown[rightshiftKey];
-
- keyboardEvents.push_back(std::make_tuple(key, pressed));
-
- if ((key == leftguiKey) || (key == rightguiKey))
- metaKeyIsActive = pressed;
- }
-
- void UI::handleText(char* text, bool notFinished) {
- if (notFinished)
- return;
-
- ImGuiIO& io = ImGui::GetIO();
- while (*text != '\0') {
- io.AddInputCharacter(*text);
- text++;
- }
- }
-
- void UI::handleMouseClick(unsigned int x, unsigned int y, KeyboardButton button, bool released) {
- ImGuiIO& io = ImGui::GetIO();
- io.MousePos = ImVec2((float)x, (float)y);
- if (button == leftmouseKey) {
- io.MouseDown[0] = !released;
- } else if (button == rightmouseKey) {
- io.MouseDown[1] = !released;
- } else if (button == middlemouseKey) {
- io.MouseDown[2] = !released;
- } else if (button == fourthmouseKey) {
- io.MouseDown[3] = !released;
- } else if (button == fifthmouseKey) {
- io.MouseDown[4] = !released;
- }
-
- clickEvents.push_back(std::make_tuple(x, y, button, released));
- }
-
- void UI::handleMouseMotion(int xrel, int yrel, int xabs, int yabs) {
- ImGuiIO& io = ImGui::GetIO();
- io.MousePos = ImVec2((float)xabs, (float)yabs);
-
- motionEvents.push_back(std::make_tuple(xrel, yrel, xabs, yabs));
- }
-
- void UI::handleMouseScroll(int xrel, int yrel) {
- ImGuiIO& io = ImGui::GetIO();
- io.MouseWheel += yrel;
-
- scrollEvents.push_back(std::make_tuple(xrel, yrel));
- }
-
- void UI::handleControllerAxis(float value, KeyboardButton axis) {
- getGame().handleControllerAxis(value, axis);
- }
-
- void UI::handleControllerButton(KeyboardButton button, bool released) {
- getGame().handleControllerButton(button, released);
- }
-
- void UI::renderImGui(ImDrawList** const cmd_lists, int cmd_lists_count) {
- if (cmd_lists_count == 0)
- return;
-
- static ShaderBuffer vert, uv, col;
-
- glEnable(GL_SCISSOR_TEST);
- glDisable(GL_DEPTH_TEST);
-
- imguiShader.use();
- imguiShader.loadUniform(0, Window::getSize());
- imguiShader.loadUniform(1, fontTex, TextureStorage::SYSTEM);
- vert.bindBuffer(0, 2);
- uv.bindBuffer(1, 2);
- col.bindBuffer(2, 4);
-
- /*! \fixme Don't copy data
- * The GL calls and the shaders can probably be slightly altered
- * to avoid copying all the vertices, uvs and colors again here.
- */
-
- for (int i = 0; i < cmd_lists_count; i++) {
- auto& commands = cmd_lists[i]->commands;
- auto& buffer = cmd_lists[i]->vtx_buffer;
-
- int offset = 0;
- for (int n = 0; n < commands.size(); n++) {
- std::vector<glm::vec2> vertices;
- std::vector<glm::vec2> uvs;
- std::vector<glm::vec4> colors;
-
- for (int v = 0; v < commands[n].vtx_count; v++) {
- vertices.push_back(glm::vec2(buffer[offset + v].pos.x, buffer[offset + v].pos.y));
- uvs.push_back(glm::vec2(buffer[offset + v].uv.x, buffer[offset + v].uv.y));
-
- float r, g, b, a;
- a = ((buffer[offset + v].col & 0xFF000000) >> 24) / 255.0f;
- b = ((buffer[offset + v].col & 0x00FF0000) >> 16) / 255.0f;
- g = ((buffer[offset + v].col & 0x0000FF00) >> 8) / 255.0f;
- r = (buffer[offset + v].col & 0x000000FF) / 255.0f;
- colors.push_back(glm::vec4(r, g, b, a));
- }
-
- offset += commands[n].vtx_count;
-
- vert.bufferData(vertices);
- uv.bufferData(uvs);
- col.bufferData(colors);
-
- glScissor(commands[n].clip_rect.x,
- Window::getSize().y - commands[n].clip_rect.w,
- commands[n].clip_rect.z - commands[n].clip_rect.x,
- commands[n].clip_rect.w - commands[n].clip_rect.y);
-
- glDrawArrays(GL_TRIANGLES, 0, vertices.size());
- }
- }
-
- vert.unbind(0);
- uv.unbind(1);
- col.unbind(2);
-
- glEnable(GL_DEPTH_TEST);
- glDisable(GL_SCISSOR_TEST);
- }
-
- // --------------------------------------
- // *INDENT-OFF*
-
- const char* UI::imguiShaderVertex = R"!?!(
- #version 330 core
-
- layout(location = 0) in vec2 vertexPosition_screen;
- layout(location = 1) in vec2 vertexUV;
- layout(location = 2) in vec4 vertexColor;
-
- out vec2 UV;
- out vec4 FragColor;
-
- uniform vec2 screen;
-
- void main() {
- vec2 halfScreen = screen / 2;
- vec2 vertexPosition_homogenous = (vertexPosition_screen - halfScreen) / halfScreen;
-
- gl_Position = vec4(vertexPosition_homogenous.x, -vertexPosition_homogenous.y, 0, 1);
- UV = vertexUV;
- FragColor = vertexColor;
- }
- )!?!";
-
- const char* UI::imguiShaderFragment = R"!?!(
- #version 330 core
-
- in vec2 UV;
- in vec4 FragColor;
-
- out vec4 color;
-
- uniform sampler2D textureSampler;
-
- void main() {
- color = texture(textureSampler, UV) * FragColor;
- }
- )!?!";
-
- // --------------------------------------
- // *INDENT-ON*
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