Tweak UI

launcher/src/client/configuration.cpp

@@ -33,8 +33,11 @@ void State::update(const bool save) {
     update_from_env(MCPI_USERNAME_ENV, username, save);
     update_from_env(MCPI_RENDER_DISTANCE_ENV, render_distance, save);
 }
-
-#define DIALOG_TITLE "Launcher"
+bool State::operator==(const State &other) const {
+#define test(x) static_cast<std::string>(x) == static_cast<std::string>(other.x)
+    return test(username) && test(render_distance) && test(flags);
+#undef test
+}
 
 // Handle Non-Launch Commands
 void handle_non_launch_client_only_commands(const options_t &options) {

launcher/src/client/configuration.h

@@ -16,6 +16,7 @@ struct State {
     explicit State(const launcher_cache &cache);
     // Methods
     void update(bool save);
+    bool operator==(const State &other) const;
     // Properties
     std::string username;
     std::string render_distance;
@@ -27,9 +28,12 @@ struct ConfigurationUI final : Frame {
     explicit ConfigurationUI(State &state_);
     int render() override;
 private:
+    void update_render_distance();
+    int draw_bottom();
     void draw_main();
     void draw_advanced() const;
     static void draw_category(FlagNode &category);
+    const State empty_state;
     State &state;
     int render_distance_index;
 };

launcher/src/client/flags/flags.cpp

@@ -51,6 +51,16 @@ Flags::Flags(const std::string &data) {
     }
     // Sort
     root.sort();
+    // Check For Duplicates
+    std::unordered_set<std::string> seen;
+    root.for_each_const([&seen](const FlagNode &node) {
+        const std::string &name = node.name;
+        if (seen.contains(name)) {
+            ERR("Duplicate Feature Flag: %s", name.c_str());
+        } else {
+            seen.insert(name);
+        }
+    });
 }
 Flags::operator std::string() const {
     std::string out;

launcher/src/client/ui.cpp

@@ -17,7 +17,11 @@ static std::vector render_distances = {
 static constexpr int size = 400;
 ConfigurationUI::ConfigurationUI(State &state_):
     Frame("Launcher", size, size),
+    empty_state(empty_cache),
     state(state_) {
+    update_render_distance();
+}
+void ConfigurationUI::update_render_distance() {
     render_distance_index = 0;
     for (std::vector<std::string>::size_type i = 0; i < render_distances.size(); i++) {
         if (std::string(render_distances[i]) == state.render_distance) {
@@ -29,17 +33,16 @@ ConfigurationUI::ConfigurationUI(State &state_):
 
 // Render
 int ConfigurationUI::render() {
-    const ImGuiStyle &style = ImGui::GetStyle();
-    if (ImGui::BeginChild("General", ImVec2(0, -ImGui::GetFrameHeightWithSpacing() /* Leave Room For One Line */), ImGuiChildFlags_None, ImGuiWindowFlags_NoScrollbar | ImGuiWindowFlags_NoScrollWithMouse)) {
+    if (ImGui::BeginChild("Main", ImVec2(0, -ImGui::GetFrameHeightWithSpacing() /* Leave Room For Bottom Row */), ImGuiChildFlags_None, ImGuiWindowFlags_NoScrollbar | ImGuiWindowFlags_NoScrollWithMouse)) {
         // Tabs
-        if (ImGui::BeginTabBar("tab_bar", ImGuiTabBarFlags_None)) {
-            if (ImGui::BeginTabItem("General", nullptr, ImGuiTabItemFlags_None)) {
+        if (ImGui::BeginTabBar("TabBar")) {
             // Main Tab
+            if (ImGui::BeginTabItem("General")) {
                 draw_main();
                 ImGui::EndTabItem();
             }
-            if (ImGui::BeginTabItem("Advanced", nullptr, ImGuiTabItemFlags_None)) {
             // Advanced Tab
+            if (ImGui::BeginTabItem("Advanced")) {
                 draw_advanced();
                 ImGui::EndTabItem();
             }
@@ -48,11 +51,21 @@ int ConfigurationUI::render() {
     }
     ImGui::EndChild();
     // Bottom Row
-    if (ImGui::Button("Reset To Defaults")) {
-        state = State(empty_cache);
+    return draw_bottom();
 }
+
+// Bottom Row
+int ConfigurationUI::draw_bottom() {
+    // Reset All Settings
+    ImGui::BeginDisabled(state == empty_state);
+    if (ImGui::Button("Reset To Defaults")) {
+        state = empty_state;
+        update_render_distance();
+    }
+    ImGui::EndDisabled();
     ImGui::SameLine();
     // Right-Align Buttons
+    const ImGuiStyle &style = ImGui::GetStyle();
     const char *bottom_row_text[] = {"Quit", "Launch"};
     float width_needed = 0;
     for (const char *text : bottom_row_text) {
@@ -62,13 +75,14 @@ int ConfigurationUI::render() {
         width_needed += ImGui::CalcTextSize(text).x + style.FramePadding.x * 2.f;
     }
     ImGui::SetCursorPosX(ImGui::GetCursorPosX() + ImGui::GetContentRegionAvail().x - width_needed);
-    if (ImGui::Button(bottom_row_text[0])) {
     // Quit
+    if (ImGui::Button(bottom_row_text[0])) {
         return -1;
     }
+    ImGui::SetItemTooltip("Changes Will Not Be Saved!");
     ImGui::SameLine();
-    if (ImGui::Button(bottom_row_text[1])) {
     // Launch
+    if (ImGui::Button(bottom_row_text[1])) {
         return 1;
     }
     // Return