From 0974ff30789a215a31255080251c01eaaf9a5297 Mon Sep 17 00:00:00 2001
From: Aldrik Ramaekers <aldrikboy@gmail.com>
Date: Thu, 5 Dec 2024 11:42:11 +0100
Subject: link with steam sdk and create bindings

---
 src/include/intermediate.h | 11 +++++++++++
 src/intermediate.c         | 45 +++++++++++++++++++++++++++++++++++++++++++++
 src/main.c                 | 27 +++++++++++++++++++++++++++
 3 files changed, 83 insertions(+)
 create mode 100644 src/include/intermediate.h
 create mode 100644 src/intermediate.c

(limited to 'src')

diff --git a/src/include/intermediate.h b/src/include/intermediate.h
new file mode 100644
index 0000000..d3188e4
--- /dev/null
+++ b/src/include/intermediate.h
@@ -0,0 +1,11 @@
+#ifndef INCLUDE_INTERMEDIATE
+#define INCLUDE_INTERMEDIATE
+
+char STEAM_SteamAPI_Init();
+void STEAM_SteamAPI_ReleaseCurrentThreadMemory();
+char STEAM_SteamAPI_RestartAppIfNecessary(u32 unOwnAppID);
+void STEAM_SteamAPI_RunCallbacks();
+u64 STEAM_SteamAPI_RequestUserStats();
+void STEAM_SteamAPI_Shutdown();
+
+#endif
\ No newline at end of file
diff --git a/src/intermediate.c b/src/intermediate.c
new file mode 100644
index 0000000..09edf10
--- /dev/null
+++ b/src/intermediate.c
@@ -0,0 +1,45 @@
+#include "steam/steam_api_flat.h"
+
+extern "C" char STEAM_SteamAPI_Init()
+{
+    return SteamAPI_Init();
+}
+
+extern "C" void STEAM_SteamAPI_Shutdown()
+{
+    return SteamAPI_Shutdown();
+}
+
+extern "C" void STEAM_SteamAPI_ReleaseCurrentThreadMemory()
+{
+    return SteamAPI_ReleaseCurrentThreadMemory();
+}
+
+extern "C" char STEAM_SteamAPI_RestartAppIfNecessary(uint32 unOwnAppID)
+{
+    return SteamAPI_RestartAppIfNecessary(unOwnAppID);
+}
+
+extern "C" void STEAM_SteamAPI_RunCallbacks()
+{
+    SteamAPI_RunCallbacks();
+}
+
+extern "C" uint64_steamid STEAM_SteamAPI_RequestUserStats()
+{
+    uint64_steamid id = SteamAPI_ISteamUser_GetSteamID(SteamAPI_SteamUser());
+    ISteamUserStats* stats = SteamAPI_SteamUserStats();
+    SteamAPI_ISteamUserStats_RequestUserStats(stats, id);
+    return id;
+}
+
+extern "C" void STEAM_SteamAPI_UnlockAchievement(const char* name)
+{
+    ISteamUserStats* stats = SteamAPI_SteamUserStats();
+
+    bool alreadyAchieved;
+    SteamAPI_ISteamUserStats_GetAchievement(stats, name, &alreadyAchieved);
+    SteamAPI_ISteamUserStats_SetAchievement(stats, name);
+
+    if (!alreadyAchieved) SteamAPI_ISteamUserStats_StoreStats(stats);
+}
\ No newline at end of file
diff --git a/src/main.c b/src/main.c
index e93a4da..159dcc7 100644
--- a/src/main.c
+++ b/src/main.c
@@ -29,6 +29,8 @@ font* fnt_rd48;
 
 #define CONFIG_DIRECTORY "trucker_x"
 
+#include "include/intermediate.h"
+
 #include "include/settings.h"
 #include "include/ui/colors.h"
 #include "include/ui/animation.h"
@@ -144,6 +146,19 @@ int __stdcall WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, char* ignore
 
 int main(int argc, char** argv)
 {
+	if (!STEAM_SteamAPI_Init()) {
+		log_info("Failed to init steam.");
+		return 1;
+	}
+
+	if (STEAM_SteamAPI_RestartAppIfNecessary(480)) {
+		log_info("Game required restart from Steam.");
+		return 1;
+	}
+
+	u64 steam_id = STEAM_SteamAPI_RequestUserStats();
+	log_infox("User steam ID: %llu", steam_id);
+
 	platform_init(argc, argv, CONFIG_DIRECTORY);
 
 	#define VALIDATE_VOLUME(_vol) if (_vol < 0.0f) _vol = 0.0f; else if (_vol > 1.0f) _vol = 1.0f;
@@ -174,9 +189,19 @@ int main(int argc, char** argv)
 	audio_set_mixer_volume(AUDIO_CHANNEL_SFX_1, volume_sfx*volume_global);
 	audio_set_mixer_volume(AUDIO_CHANNEL_SFX_2, volume_sfx*volume_global);
 
+	double running_time = 0.0f;
     while(platform_keep_running(main_window)) {
+		STEAM_SteamAPI_RunCallbacks();
+
 		main_window->do_draw = true;
         platform_handle_events();
+
+		running_time += frame_delta;
+		if (running_time > 120) { // Refresh user stats every 2 min as steam will unload stats after a while and we wont be able to set achievements.
+			running_time = 0.0f;
+			STEAM_SteamAPI_RequestUserStats();
+			log_info("Refreshed Steam user stats.");
+		}
     }
 
 	settings_set_number("window_w", main_window->width);
@@ -190,5 +215,7 @@ int main(int argc, char** argv)
     settings_write_to_file();
     platform_destroy();
 
+	STEAM_SteamAPI_Shutdown();
+
     return 0;
 }
\ No newline at end of file
-- 
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