add error gui

.gitmodules

@@ -7,3 +7,6 @@
 [submodule "thirdparty/toml11"]
 	path = thirdparty/toml11
 	url = https://github.com/ToruNiina/toml11
+[submodule "thirdparty/raylib"]
+	path = thirdparty/raylib
+	url = https://github.com/raysan5/raylib

CMakeLists.txt

@@ -12,14 +12,16 @@ endif()
 # subprojects
 add_compile_options(-fPIC
     -Wno-deprecated-declarations
-    -Wno-unused-template)
+    -Wno-unused-template
+    -Wno-tautological-compare
+    -Wno-undef)
 
 add_subdirectory(thirdparty/dxbc EXCLUDE_FROM_ALL)
 add_subdirectory(thirdparty/pe-parse/pe-parser-library EXCLUDE_FROM_ALL)
 add_subdirectory(thirdparty/toml11 EXCLUDE_FROM_ALL)
+add_subdirectory(thirdparty/raylib EXCLUDE_FROM_ALL)
 add_subdirectory(framegen)
 
-
 # main project
 project(lsfg-vk
     VERSION 0.0.1
@@ -43,7 +45,8 @@ set_target_properties(lsfg-vk PROPERTIES
 target_include_directories(lsfg-vk
     PRIVATE include)
 target_link_libraries(lsfg-vk PRIVATE
-    lsfg-vk-framegen pe-parse dxbc toml11 vulkan)
+    pe-parse dxbc toml11 raylib
+    lsfg-vk-framegen vulkan)
 
 get_target_property(TOML11_INCLUDE_DIRS toml11 INTERFACE_INCLUDE_DIRECTORIES)
 target_include_directories(lsfg-vk SYSTEM PRIVATE ${TOML11_INCLUDE_DIRS})

include/utils/gui.hpp

@@ -0,0 +1,14 @@
+#pragma once
+
+#include <string>
+
+namespace Utils {
+
+    ///
+    /// Display error gui and exit
+    ///
+    /// @param message The error message to display in the GUI.
+    ///
+    [[noreturn]] void showErrorGui(const std::string& message);
+
+}

src/main.cpp

@@ -1,6 +1,7 @@
 #include "config/config.hpp"
 #include "extract/extract.hpp"
 #include "utils/benchmark.hpp"
+#include "utils/gui.hpp"
 #include "utils/utils.hpp"
 
 #include <exception>
@@ -20,7 +21,7 @@ namespace {
         } catch (const std::exception& e) {
             std::cerr << "lsfg-vk: An error occured while trying to parse the configuration, exiting:\n";
             std::cerr << "- " << e.what() << '\n';
-            exit(0);
+            Utils::showErrorGui(e.what());
         }
 
         const std::string name = Utils::getProcessName();
@@ -29,7 +30,7 @@ namespace {
         } catch (const std::exception& e) {
             std::cerr << "lsfg-vk: The configuration for " << name << " is invalid, exiting:\n";
             std::cerr << e.what() << '\n';
-            exit(0);
+            Utils::showErrorGui(e.what());
         }
 
         // exit silently if not enabled
@@ -62,7 +63,7 @@ namespace {
         } catch (const std::exception& e) {
             std::cerr << "lsfg-vk: An error occurred while trying to extract the shaders, exiting:\n";
             std::cerr << "- " << e.what() << '\n';
-            exit(0);
+            Utils::showErrorGui(e.what());
         }
         std::cerr << "lsfg-vk: Shaders extracted successfully.\n";
 
@@ -94,6 +95,7 @@ namespace {
         } catch (const std::exception& e) {
             std::cerr << "lsfg-vk: An error occurred while trying to parse the resolution, exiting:\n";
             std::cerr << "- " << e.what() << '\n';
+            exit(EXIT_FAILURE);
         }
 
         std::thread benchmark([width, height]() {
@@ -102,6 +104,7 @@ namespace {
             } catch (const std::exception& e) {
                 std::cerr << "lsfg-vk: An error occurred during the benchmark:\n";
                 std::cerr << "- " << e.what() << '\n';
+                exit(EXIT_FAILURE);
             }
         });
         benchmark.detach();

src/utils/gui.cpp

@@ -0,0 +1,86 @@
+#include "utils/gui.hpp"
+
+#include <raylib.h>
+
+#include <cstdlib>
+#include <cstddef>
+#include <string>
+
+using namespace Utils;
+
+namespace {
+
+    void DrawCenteredText(const std::string& message, int y, Color color) {
+        const int textWidth = MeasureText(message.c_str(), 20);
+        DrawText(message.c_str(), (GetScreenWidth() - textWidth) / 2, y, 20, color);
+    }
+
+    int DrawTextBox(std::string message, int x, int y, int width, bool draw) {
+        while (!message.empty()) {
+            std::string current = message;
+
+            // take one line at a time
+            const size_t pos = current.find('\n');
+            if (pos != std::string::npos)
+                current = current.substr(0, pos);
+
+            // if too long, remove word or character
+            while (MeasureText(message.c_str(), 20) > width) {
+                const size_t pos = current.find_last_of(' ');
+                if (pos == std::string::npos)
+                    current = current.substr(0, current.size() - 1);
+                else
+                    current = current.substr(0, pos);
+            }
+
+            // remove the current line from the message text
+            message = message.substr(current.size());
+            while (message.starts_with(' '))
+                message = message.substr(1); // remove leading space
+            while (message.starts_with('\n'))
+                message = message.substr(1); // remove leading newline
+
+            // draw the current line
+            if (draw) DrawText(current.c_str(), x, y, 20, Color { 198, 173, 173, 255 });
+            y += 25; // move down for the next line
+        }
+        return y; // return height of the text box
+    }
+}
+
+void Utils::showErrorGui(const std::string& message) {
+    const int height = DrawTextBox(message, 10, 60, 780, false);
+    InitWindow(800, height + 80, "lsfg-vk - Error");
+
+    SetTargetFPS(24); // cinema frame rate lol
+
+    while (!WindowShouldClose()) {
+        BeginDrawing();
+
+        ClearBackground(Color{ 58, 23, 32, 255 });
+        DrawCenteredText("lsfg-vk encountered an error", 10, Color{ 225, 115, 115, 255 });
+        DrawLine(10, 35, 790, 35, Color{ 218, 87, 87, 255 });
+        DrawTextBox(message, 10, 60, 780, true);
+
+        const bool hover = GetMouseY() > height + 30
+                && GetMouseY() < height + 70
+                && GetMouseX() > 10
+                && GetMouseX() < 790;
+        if (hover) {
+            DrawRectangleLines(10, height + 30, 780, 40, Color{ 250, 170, 151, 255 });
+            DrawCenteredText("Press Escape or click here to close", height + 40, Color{ 253, 180, 170, 255 });
+        } else {
+            DrawRectangleLines(10, height + 30, 780, 40, Color{ 218, 87, 87, 255 });
+            DrawCenteredText("Press Escape or click here to close", height + 40, Color{ 225, 115, 115, 255 });
+        }
+
+        EndDrawing();
+
+        if (hover && IsMouseButtonPressed(MOUSE_BUTTON_LEFT))
+            break;
+    }
+
+    CloseWindow();
+
+    exit(EXIT_FAILURE);
+}

thirdparty/raylib

@@ -0,0 +1 @@
+Subproject commit 78a06990c7c55ace00a8e6c5afe983457304e645