treballant en el overlay, el text i les notificacions

source/core/jail/jgame.cpp

@@ -0,0 +1,42 @@
+#include "core/jail/jgame.hpp"
+
+bool eixir = false;
+Uint32 updateTicks = 0;
+Uint32 updateTime = 0;
+Uint32 cycle_counter = 0;
+
+void JG_Init() {
+    SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO);
+    // SDL_WM_SetCaption( title, NULL );
+    updateTime = SDL_GetTicks();
+}
+
+void JG_Finalize() {
+    SDL_Quit();
+}
+
+void JG_QuitSignal() {
+    eixir = true;
+}
+
+bool JG_Quitting() {
+    return eixir;
+}
+
+void JG_SetUpdateTicks(Uint32 milliseconds) {
+    updateTicks = milliseconds;
+}
+
+bool JG_ShouldUpdate() {
+    if (SDL_GetTicks() - updateTime > updateTicks) {
+        updateTime = SDL_GetTicks();
+        cycle_counter++;
+        return true;
+    } else {
+        return false;
+    }
+}
+
+Uint32 JG_GetCycleCounter() {
+    return cycle_counter;
+}