SDL conversion

src/main.cpp

@@ -3,18 +3,15 @@
 #include "ui.hpp"
 #include "../vendor/stb/stb_image.h"
 #include "../vendor/stb/stb_image_write.h"
-
-#include <GLFW/glfw3.h>
+#include <SDL3/SDL.h>
 #include <RmlUi/Core.h>
 #include <RmlUi/Core/Core.h>
 #include <RmlUi/Debugger/Debugger.h>
 #include <RmlUi/Lua/Lua.h>
 #include <RmlUi_Backend.h>
-
 #include <iostream>
 #include <map>
 #include <vector>
-
 static bool is_initalized = false;
 static bool is_running = false;
 static Rml::Context *ctx = nullptr;
@@ -22,47 +19,42 @@ static std::map<int, Critter> critters;
 static std::vector<CritterEntry> critter_list;
 static Rml::ElementDocument *doc;
 static AppData app_data;
-
 void shutdown() {
     Rml::Shutdown();
     Backend::Shutdown();
+    SDL_Quit();
 }
-
 bool initialize() {
+    if (!SDL_Init(SDL_INIT_VIDEO | SDL_INIT_EVENTS)) {
+        std::cout << "[ERROR] Failed to initialize SDL3: " << SDL_GetError() << "\n";
+        return false;
+    }
     if (!Backend::Initialize("CritterFolio", 800, 600, true)) {
         std::cout << "[ERROR] Failed to initialize backend.\n";
         return false;
     }
     std::cout << "[INFO] RmlUI Backend initialized.\n";
-
     Rml::SetSystemInterface(Backend::GetSystemInterface());
     Rml::SetRenderInterface(Backend::GetRenderInterface());
     Rml::Initialise();
     Rml::Lua::Initialise();
-
     std::cout << "[INFO] Loading local DB...\n";
     if (!db_get_all_critters(critters)) {
         std::cout << "[ERROR] Local DB failed to initialize.\n";
         return false;
     }
     std::cout << "[INFO] Local DB initialized.\n";
-
     sync_map_to_list(critters, critter_list);
-
     ctx = Rml::CreateContext("main", Rml::Vector2i(800, 600));
     if (!ctx) {
         std::cout << "[ERROR] Failed to create context.\n";
         return false;
     }
     std::cout << "[INFO] Main context initialized.\n";
-
     Rml::LoadFontFace("./assets/fonts/Hubballi-Regular.ttf");
-
     Rml::Debugger::Initialise(ctx);
     return true;
 }
-
-
 bool load_document() {
     doc = ctx->LoadDocument("./assets/main.rml");
     if (!doc) {
@@ -74,7 +66,6 @@ bool load_document() {
     doc->Show();
     return true;
 }
-
 bool reload_doc() {
     if (doc) {
         Rml::Factory::ClearStyleSheetCache();
@@ -82,79 +73,63 @@ bool reload_doc() {
         doc->Close();
         doc = nullptr;
     }
-
     if (!load_document()) {
         return false;
     }
-
     return true;
 }
-
-
 bool f5_was_pressed = false;
 bool f8_was_pressed = false;
-
 void handle_input() {
-    GLFWwindow *window = glfwGetCurrentContext();
-    if(window) {
+    const bool *state = SDL_GetKeyboardState(NULL);
+    if (state) {
         // Reload ui
-        bool f5_state = glfwGetKey(window, GLFW_KEY_F5);
-        if (f5_state == GLFW_PRESS && !f5_was_pressed) {
+        bool f5_state = state[SDL_SCANCODE_F5];
+        if (f5_state && !f5_was_pressed) {
             f5_was_pressed = true;
             reload_doc();
-        } else if (f5_state == GLFW_RELEASE) {
+        } else if (!f5_state) {
             f5_was_pressed = false;
         }
-
         // Toggle debugger window
-        bool f8_state = glfwGetKey(window, GLFW_KEY_F8);
-        if (f8_state == GLFW_PRESS && !f8_was_pressed) {
+        bool f8_state = state[SDL_SCANCODE_F8];
+        if (f8_state && !f8_was_pressed) {
             f8_was_pressed = true;
             bool is_visible = Rml::Debugger::IsVisible();
             Rml::Debugger::SetVisible(!is_visible);
-        } else if (f8_state == GLFW_RELEASE) {
+        } else if (!f8_state) {
             f8_was_pressed = false;
         }
     }
 }
-
 int main() {
     std::cout << "[INFO] Starting CritterFolio...\n";
-
     is_initalized = initialize();
     if (!is_initalized) {
         std::cout << "[ERROR] Failed to initialize, shutting down.\n";
         shutdown();
         return 1;
     }
-
     is_running = true;
-
     Rml::DataModelHandle app_data_handle;
     if (!setup_data_binding(ctx, app_data_handle, app_data, critter_list, critters)) {
         shutdown();
         return 1;
     }
-
     if (!load_document()) {
         shutdown();
         return 1;
     }
     std::cout << "[INFO] Main page loaded.\n";
-
     
-
     while (is_running) {
         is_running = Backend::ProcessEvents(ctx);
-
         handle_input();
-
         ctx->Update();
         Backend::BeginFrame();
         ctx->Render();
         Backend::PresentFrame();
     }
-
     shutdown();
     return 0;
-}
+}