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- /*!
- * \file src/UI.cpp
- * \brief UI interface manager
- *
- * \author xythobuz
- */
-
- #include <algorithm>
- #include <cstring>
-
- #include "global.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"
-
- #define STB_IMAGE_IMPLEMENTATION
- #include "imgui/stb_image.h"
-
- 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;
-
- int UI::initialize() {
- iniFilename = getRunTime().getBaseDir() + "/imgui.ini";
- logFilename = getRunTime().getBaseDir() + "/imgui_log.txt";
-
- ImGuiIO& io = ImGui::GetIO();
- io.DisplaySize = ImVec2((float)getWindow().getWidth(), (float)getWindow().getHeight());
- 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 = getTextureManager().loadBufferSlot((unsigned char*)tex_data,
- tex_x, tex_y, TextureManager::ColorMode::RGBA, 32,
- TextureManager::TextureStorage::SYSTEM, -1, false);
-
- stbi_image_free(tex_data);
-
- return 0;
- }
-
- void UI::eventsFinished() {
- ImGuiIO& io = ImGui::GetIO();
- io.DisplaySize = ImVec2((float)getWindow().getWidth(), (float)getWindow().getHeight());
-
- 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) {
- 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) {
- if (getMenu().isVisible()) {
- getMenu().handleKeyboard(std::get<0>(i), std::get<1>(i));
- } else {
- for (int n = forwardAction; n < ActionEventCount; n++) {
- if (getRunTime().getKeyBinding((ActionEvents)n) == std::get<0>(i))
- getGame().handleAction((ActionEvents)n, !std::get<1>(i));
- }
- }
- }
-
- if (std::get<1>(i)) {
- if (!visible) {
- if (getRunTime().getKeyBinding(menuAction) == std::get<0>(i)) {
- getMenu().setVisible(!getMenu().isVisible());
- }
- }
-
- if ((!io.WantCaptureKeyboard) || (!visible)) {
- if (getRunTime().getKeyBinding(debugAction) == std::get<0>(i)) {
- if (!metaKeyIsActive)
- visible = !visible;
- }
- }
- }
-
- keyboardEvents.pop_front();
- }
-
- bool clicked = !clickEvents.empty();
- // Only already empty when !visible
- if (visible) {
- clickEvents.clear();
- motionEvents.clear();
- scrollEvents.clear();
- }
-
- if (visible && (
- ((!io.WantCaptureKeyboard) && io.KeysDown[escapeKey])
- || ((!io.WantCaptureMouse) && clicked)
- )) {
- visible = false;
- }
-
- if (getWindow().getTextInput() != visible)
- getWindow().setTextInput(visible);
-
- bool input = !(visible || getMenu().isVisible());
- if (getWindow().getMousegrab() != input)
- getWindow().setMousegrab(input);
-
- io.MouseWheel = 0;
- }
-
- void UI::display() {
- if (!visible)
- return;
-
- Console::display();
-
- if (ImGui::Begin("Engine")) {
- if (ImGui::CollapsingHeader("Engine Info")) {
- ImGui::Text("Uptime: %lums", systemTimerGet());
- ImGui::Text("Frames per Second: %luFPS", getRunTime().getFPS());
- if (getRunTime().getHistoryFPS().size() > 1) {
- static bool scroll = true;
- if (scroll) {
- int offset = getRunTime().getHistoryFPS().size() - 1;
- if (offset > 10)
- offset = 10;
- ImGui::PlotLines("FPS", &getRunTime().getHistoryFPS()[1],
- getRunTime().getHistoryFPS().size() - 1,
- getRunTime().getHistoryFPS().size() - offset - 1);
- } else {
- ImGui::PlotLines("FPS", &getRunTime().getHistoryFPS()[1],
- getRunTime().getHistoryFPS().size() - 1);
- }
- ImGui::SameLine();
- ImGui::Checkbox("Scroll##fpsscroll", &scroll);
- }
- }
-
- if (ImGui::CollapsingHeader("RunTime Settings")) {
- bool showFPS = getRunTime().getShowFPS();
- if (ImGui::Checkbox("Show FPS##runtime", &showFPS)) {
- getRunTime().setShowFPS(showFPS);
- }
- ImGui::SameLine();
- bool running = getRunTime().isRunning();
- if (ImGui::Checkbox("Running (!)##runtime", &running)) {
- getRunTime().setRunning(running);
- }
- ImGui::SameLine();
- bool sound = Sound::getEnabled();
- if (ImGui::Checkbox("Sound##runtime", &sound)) {
- Sound::setEnabled(sound);
- }
- ImGui::SameLine();
- bool fullscreen = getWindow().getFullscreen();
- if (ImGui::Checkbox("Fullscreen##runtime", &fullscreen)) {
- getWindow().setFullscreen(fullscreen);
- }
-
- float vol = Sound::getVolume();
- if (ImGui::InputFloat("Volume##runtime", &vol, 0.0f, 0.0f, 3,
- ImGuiInputTextFlags_EnterReturnsTrue)) {
- if (vol < 0.0f)
- vol = 0.0f;
- if (vol > 1.0f)
- vol = 1.0f;
- Sound::setVolume(vol);
- }
-
- int w = getWindow().getWidth();
- if (ImGui::InputInt("Width##runtime", &w, 10, 100, ImGuiInputTextFlags_EnterReturnsTrue)) {
- if (w < 1)
- w = 1;
- getWindow().setSize(w, getWindow().getHeight());
- }
- int h = getWindow().getHeight();
- if (ImGui::InputInt("Height##runtime", &h, 10, 100, ImGuiInputTextFlags_EnterReturnsTrue)) {
- if (h < 1)
- h = 1;
- getWindow().setSize(getWindow().getWidth(), h);
- }
-
- static int fr = 0;
- char buff[1024];
- strncpy(buff, getRunTime().getBaseDir().c_str(), 1024);
- if (ImGui::InputText("BaseDir##runtime", buff, 1024, ImGuiInputTextFlags_EnterReturnsTrue)) {
- getRunTime().setBaseDir(buff);
- fr = getRunTime().getFPS();
- }
- if (fr > 0) {
- ImGui::SameLine();
- ImGui::Text("Done!##runtime1");
- fr--;
- }
-
- static int fr2 = 0;
- char buff2[1024];
- strncpy(buff2, getRunTime().getPakDir().c_str(), 1024);
- if (ImGui::InputText("PakDir##runtime", buff2, 1024, ImGuiInputTextFlags_EnterReturnsTrue)) {
- getRunTime().setPakDir(buff2);
- fr2 = getRunTime().getFPS();
- }
- if (fr2 > 0) {
- ImGui::SameLine();
- ImGui::Text("Done!##runtime2");
- fr2--;
- }
-
- static int fr3 = 0;
- char buff3[1024];
- strncpy(buff3, getRunTime().getAudioDir().c_str(), 1024);
- if (ImGui::InputText("AudioDir##runtime", buff3, 1024, ImGuiInputTextFlags_EnterReturnsTrue)) {
- getRunTime().setAudioDir(buff3);
- fr3 = getRunTime().getFPS();
- }
- if (fr3 > 0) {
- ImGui::SameLine();
- ImGui::Text("Done!##runtime3");
- fr3--;
- }
-
- static int fr4 = 0;
- char buff4[1024];
- strncpy(buff4, getRunTime().getDataDir().c_str(), 1024);
- if (ImGui::InputText("DataDir##runtime", buff4, 1024, ImGuiInputTextFlags_EnterReturnsTrue)) {
- getRunTime().setDataDir(buff4);
- fr4 = getRunTime().getFPS();
- }
- if (fr4 > 0) {
- ImGui::SameLine();
- ImGui::Text("Done!##runtime4");
- fr4--;
- }
- }
-
- ImGui::Separator();
-
- if (ImGui::CollapsingHeader("Sound Map Player")) {
- if (!Sound::getEnabled()) {
- ImGui::Text("Please enable Sound first!");
- if (ImGui::Button("Enable Sound!")) {
- Sound::setEnabled(true);
- }
- } else if (Sound::numBuffers() == 0) {
- ImGui::Text("Please load a level!");
- } else {
- static int index = 0;
- ImGui::PushItemWidth(ImGui::GetWindowWidth() * 0.5f);
- ImGui::SliderInt("##soundslide", &index, 0, SoundManager::sizeSoundMap() - 1);
- ImGui::PopItemWidth();
- ImGui::SameLine();
- if (ImGui::Button("+##soundplus", ImVec2(0, 0), true)) {
- if (index < (SoundManager::sizeSoundMap() - 1))
- index++;
- else
- index = 0;
- }
- ImGui::SameLine();
- if (ImGui::Button("-##soundminus", ImVec2(0, 0), true)) {
- if (index > 0)
- index--;
- else
- index = SoundManager::sizeSoundMap() - 1;
- }
- ImGui::SameLine();
- if (ImGui::Button("Play##soundplay")) {
- SoundManager::playSound(index);
- }
-
- ImGui::Text("Index: %d", SoundManager::getIndex(index));
- }
- }
-
- /*
- 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, getTextureManager().numTextures(
- game ? TextureManager::TextureStorage::GAME
- : TextureManager::TextureStorage::SYSTEM) - 1);
- ImGui::PopItemWidth();
- ImGui::SameLine();
- if (ImGui::Button("+##texplus", ImVec2(0, 0), true)) {
- if (index < (getTextureManager().numTextures(
- game ? TextureManager::TextureStorage::GAME
- : TextureManager::TextureStorage::SYSTEM) - 1))
- index++;
- else
- index = 0;
- }
- ImGui::SameLine();
- if (ImGui::Button("-##texminus", ImVec2(0, 0), true)) {
- if (index > 0)
- index--;
- else
- index = getTextureManager().numTextures(
- game ? TextureManager::TextureStorage::GAME
- : TextureManager::TextureStorage::SYSTEM) - 1;
- }
- ImGui::SameLine();
- if ((getTextureManager().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 ? TextureManager::TextureStorage::GAME
- : TextureManager::TextureStorage::SYSTEM,
- ImGui::GetWindowPos().x - ImGui::GetWindowWidth(),
- ImGui::GetWindowPos().y,
- ImGui::GetWindowWidth(), ImGui::GetWindowWidth());
- }
- }
-
- if (ImGui::CollapsingHeader("Textile Viewer")) {
- if (getTextureManager().numTiles() > 0) {
- static int index = 0;
- ImGui::PushItemWidth(ImGui::GetWindowWidth() * 0.5f);
- ImGui::SliderInt("##tileslide", &index, 0, getTextureManager().numTiles() - 1);
- ImGui::PopItemWidth();
- ImGui::SameLine();
- if (ImGui::Button("+##tileplus", ImVec2(0, 0), true)) {
- if (index < (getTextureManager().numTiles() - 1))
- index++;
- else
- index = 0;
- }
- ImGui::SameLine();
- if (ImGui::Button("-##tileminus", ImVec2(0, 0), true)) {
- if (index > 0)
- index--;
- else
- index = getTextureManager().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 < getTextureManager().numTiles())) {
- ImGui::Text(getTextureManager().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 (getTextureManager().numAnimatedTiles() > 0) {
- static int index = 0;
- static int tile = getTextureManager().getFirstTileAnimation(index);
- ImGui::PushItemWidth(ImGui::GetWindowWidth() * 0.5f);
- if (ImGui::SliderInt("##animslide", &index, 0, getTextureManager().numAnimatedTiles() - 1)) {
- tile = getTextureManager().getFirstTileAnimation(index);
- }
- ImGui::PopItemWidth();
- ImGui::SameLine();
- if (ImGui::Button("+##animplus", ImVec2(0, 0), true)) {
- if (index < (getTextureManager().numAnimatedTiles() - 1))
- index++;
- else
- index = 0;
- tile = getTextureManager().getFirstTileAnimation(index);
- }
- ImGui::SameLine();
- if (ImGui::Button("-##animminus", ImVec2(0, 0), true)) {
- if (index > 0)
- index--;
- else
- index = getTextureManager().numAnimatedTiles() - 1;
- tile = getTextureManager().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 = getRunTime().getFPS() / 2;
- tile = getTextureManager().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 = getRunTime().getFPS() / 10;
- if (sprite < (getWorld().getSprite(index).size() - 1))
- sprite++;
- else
- sprite = 0;
- }
-
- ImGui::Text("Sprite %d/%d", sprite + 1, getWorld().getSprite(index).size());
- }
- }
- }
- */
-
- ImGui::Separator();
-
- 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::End();
-
- 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::setVisible(bool v) {
- visible = v;
- }
-
- bool UI::isVisible() {
- return visible;
- }
-
- void UI::renderImGui(ImDrawList** const cmd_lists, int cmd_lists_count) {
- if (cmd_lists_count == 0)
- return;
-
- glEnable(GL_SCISSOR_TEST);
- glDisable(GL_DEPTH_TEST);
-
- Window::imguiShader.use();
-
- glUniform2f(Window::imguiShader.getUniform(0), getWindow().getWidth(), getWindow().getHeight());
-
- getTextureManager().bindTextureId(fontTex, TextureManager::TextureStorage::SYSTEM, 0);
- glUniform1i(Window::imguiShader.getUniform(1), 0);
-
- glEnableVertexAttribArray(0); // Vertices
- glBindBuffer(GL_ARRAY_BUFFER, Window::imguiShader.getBuffer(0));
- glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, nullptr);
-
- glEnableVertexAttribArray(1); // UVs
- glBindBuffer(GL_ARRAY_BUFFER, Window::imguiShader.getBuffer(1));
- glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 0, nullptr);
-
- glEnableVertexAttribArray(2); // Colors
- glBindBuffer(GL_ARRAY_BUFFER, Window::imguiShader.getBuffer(2));
- glVertexAttribPointer(2, 4, GL_FLOAT, GL_FALSE, 0, nullptr);
-
- std::vector<glm::vec2> vertices;
- std::vector<glm::vec2> uvs;
- std::vector<glm::vec4> colors;
-
- /*! \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++) {
- 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;
-
- glBindBuffer(GL_ARRAY_BUFFER, Window::imguiShader.getBuffer(0));
- glBufferData(GL_ARRAY_BUFFER, vertices.size() * sizeof(glm::vec2), &vertices[0], GL_STATIC_DRAW);
-
- glBindBuffer(GL_ARRAY_BUFFER, Window::imguiShader.getBuffer(1));
- glBufferData(GL_ARRAY_BUFFER, uvs.size() * sizeof(glm::vec2), &uvs[0], GL_STATIC_DRAW);
-
- glBindBuffer(GL_ARRAY_BUFFER, Window::imguiShader.getBuffer(2));
- glBufferData(GL_ARRAY_BUFFER, colors.size() * sizeof(glm::vec4), &colors[0], GL_STATIC_DRAW);
-
- glScissor(commands[n].clip_rect.x,
- getWindow().getHeight() - 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());
-
- vertices.clear();
- uvs.clear();
- colors.clear();
- }
- }
-
- glDisableVertexAttribArray(0);
- glDisableVertexAttribArray(1);
- glDisableVertexAttribArray(2);
-
- glEnable(GL_DEPTH_TEST);
- glDisable(GL_SCISSOR_TEST);
- }
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