add steam and achivements, improve console

platform/achievements.cpp

@@ -0,0 +1,103 @@
+#include "achievements.h"
+#include <steam/steam_api.h>
+#include "error.h"
+#include <string.h>
+#include <sstream>
+
+extern "C" {
+    #include <libs/event.h>
+}
+
+static char steam_available = 0;
+static char steam_initialized = 0;
+
+
+void run_steam_callbacks(const EVENT_MSG *msg,void **)  {
+    if (msg->msg == E_IDLE) {
+        SteamAPI_RunCallbacks();
+    }
+}
+
+void achievements_init()
+{
+    if (!steam_initialized) {
+        steam_initialized = 1;
+        steam_available = SteamAPI_Init();
+        if (steam_available) {
+            send_message(E_ADD, E_IDLE, &run_steam_callbacks);  
+            SteamUserStats()->RequestUserStats(SteamUser()->GetSteamID());
+        } else {
+            steam_available = 0;
+        }
+    }
+}
+
+void achievements_shutdown()
+{
+    if (steam_available) {
+        send_message(E_DONE, E_IDLE, &run_steam_callbacks);
+        SteamAPI_Shutdown();
+        steam_available = 0;
+        steam_initialized = 0;
+    }
+}
+
+int8_t set_achievement(const char *id)
+{
+    achievements_init();
+
+    if (!steam_available) {
+        return -1;
+    }
+
+    if (SteamUserStats() && SteamUserStats()->SetAchievement(id)) {
+        SteamUserStats()->StoreStats();
+        return 0;
+    } else {
+        return -1;
+    }
+    
+}
+
+int8_t clear_achievement(const char *id)
+{
+    achievements_init();
+
+    if (!steam_available) {
+        return -1;
+    }
+
+    if (SteamUserStats() && SteamUserStats()->ClearAchievement(id)) {
+        SteamUserStats()->StoreStats();
+        return 0;
+    } else {
+        return -1;
+    }    
+}
+
+char is_steam_available()
+{
+    return steam_available;
+}
+
+char *get_steam_status()
+{
+    std::ostringstream oss;
+    int num_achievements = SteamUserStats()->GetNumAchievements();
+    oss << "SteamAPI_Init: " << ( SteamAPI_Init() ? "success" : "failure") << "\n";
+    oss << "UserStats pointer: " <<  SteamUserStats() << "\n";
+    oss << "Is Steam overlay enabled:" << (SteamUtils()->IsOverlayEnabled() ? "yes" : "no") <<  "\n";
+    oss << "AppID: "<< SteamUtils()->GetAppID() << "\n";
+    oss << "Num Achievements: " << num_achievements << "\n";
+    for (int i = 0; i < num_achievements; ++i) {
+        const char* name = SteamUserStats()->GetAchievementName(i);
+        bool achieved = false;
+        SteamUserStats()->GetAchievement(name, &achieved);
+
+        oss << "[" << i << "] " << name << " - " << (achieved ? "Yes" : "No") << "\n";
+    }
+
+    std::string str = oss.str();
+    char *out  = strdup(str.c_str());
+    return out;
+}