Retro Achievements implementation

src/CMakeLists.txt

@@ -225,6 +225,65 @@ if (ENABLE_JIT_PROFILING)
     target_link_libraries(core PRIVATE "${VTUNE_LIBRARY}")
 endif()
 
+# --- RetroAchievements ---
+option(ENABLE_RETROACHIEVEMENTS "Enable RetroAchievements support" OFF)
+
+if (ENABLE_RETROACHIEVEMENTS)
+    message(STATUS "RetroAchievements: ENABLED")
+
+    if (WIN32)
+        target_compile_definitions(core PUBLIC RETROACHIEVEMENTS_ENABLED HAVE_CURL CURL_STATICLIB)
+
+        set(CURL_DEPENDENCY_NAMES
+            curl nghttp2 nghttp3 ngtcp2 ssh2 psl ssl crypto brotlidec 
+            brotlicommon brotlienc zstd idn2 unistring iconv z
+        )
+
+        set(CURL_FOUND_LIBS "")
+        foreach(LIB_NAME ${CURL_DEPENDENCY_NAMES})
+            find_library(LIB_PATH_${LIB_NAME} NAMES ${LIB_NAME} REQUIRED)
+            if(LIB_PATH_${LIB_NAME})
+                list(APPEND CURL_FOUND_LIBS ${LIB_PATH_${LIB_NAME}})
+            endif()
+        endforeach()
+
+        find_library(LIB_NGTCP2_CRYPTO NAMES ngtcp2_crypto_ossl ngtcp2_crypto_openssl)
+        if(LIB_NGTCP2_CRYPTO)
+             list(INSERT CURL_FOUND_LIBS 4 ${LIB_NGTCP2_CRYPTO})
+        endif()
+
+        target_link_libraries(core PRIVATE 
+            ${CURL_FOUND_LIBS}
+            ws2_32 wldap32 crypt32 normaliz advapi32 secur32 bcrypt
+        )
+    else()
+        find_package(CURL REQUIRED)
+        target_compile_definitions(core PUBLIC RETROACHIEVEMENTS_ENABLED HAVE_CURL)
+        target_link_libraries(core PRIVATE ${CURL_LIBRARIES})
+        target_include_directories(core PRIVATE ${CURL_INCLUDE_DIRS})
+    endif()
+
+    target_include_directories(core PRIVATE
+        "${CMAKE_CURRENT_SOURCE_DIR}/RetroAchievements"
+        "${CMAKE_CURRENT_SOURCE_DIR}"
+    )
+
+    target_sources(core PRIVATE
+        RetroAchievements/RAClient.cpp
+        RetroAchievements/RAClient.h
+    )
+
+    file(GLOB_RECURSE RCH_ALL "${CMAKE_CURRENT_SOURCE_DIR}/rcheevos/src/*.c")
+    list(FILTER RCH_ALL EXCLUDE REGEX "rc_libretro.c|rc_client_external.c|rhash/aes.c")
+    target_sources(core PRIVATE ${RCH_ALL})
+    target_include_directories(core PRIVATE 
+        "${CMAKE_CURRENT_SOURCE_DIR}/rcheevos/include" 
+        "${CMAKE_CURRENT_SOURCE_DIR}/rcheevos/src"
+    )
+else()
+    message(STATUS "RetroAchievements: DISABLED (default)")
+endif()
+
 #if(CMAKE_BUILD_TYPE MATCHES "Debug")
 #  set(
 #    CMAKE_C_FLAGS

src/NDS.cpp

@@ -44,6 +44,11 @@
 #include "DSi_DSP.h"
 #include "ARMJIT.h"
 #include "ARMJIT_Memory.h"
+#include <string>
+
+#ifdef RETROACHIEVEMENTS_ENABLED
+#include "RetroAchievements/RAClient.h"
+#endif
 
 namespace melonDS
 {
@@ -543,6 +548,9 @@ void NDS::Reset()
     SPI.Reset();
     RTC.Reset();
     Wifi.Reset();
+    memset(MainRAM, 0, MainRAMMask + 1);
+    memset(SharedWRAM, 0, 0x8000);
+    memset(ARM7WRAM, 0, 0x10000);
 }
 
 void NDS::Start()
@@ -776,6 +784,16 @@ void NDS::SetNDSCart(std::unique_ptr<NDSCart::CartCommon>&& cart)
     // The existing cart will always be ejected;
     // if cart is null, then that's equivalent to ejecting a cart
     // without inserting a new one.
+    #ifdef RETROACHIEVEMENTS_ENABLED
+    if (ra) {
+        auto cart = NDSCartSlot.GetCart();
+        if (cart) {
+            const char* h = cart->GetRAHash();
+            if (h && h[0])
+                ra->SetPendingGameHash(h);
+        }
+    }
+    #endif
 }
 
 void NDS::SetNDSSave(const u8* savedata, u32 savelen)
@@ -922,6 +940,11 @@ void NDS::RunSystemSleep(u64 timestamp)
 template <CPUExecuteMode cpuMode>
 u32 NDS::RunFrame()
 {
+    #ifdef RETROACHIEVEMENTS_ENABLED
+    if (ra) {
+    ra->DoFrame();
+    }
+    #endif
     Current = this;
 
     FrameStartTimestamp = SysTimestamp;
@@ -1597,6 +1620,11 @@ void NDS::MonitorARM9Jump(u32 addr)
         {
             Log(LogLevel::Info, "Game is now booting\n");
             RunningGame = true;
+            #ifdef RETROACHIEVEMENTS_ENABLED
+            if (ra) {
+            ra->AttachNDS(this);
+            }
+            #endif
         }
     }
 }

src/NDS.h

@@ -44,6 +44,9 @@
 #include "DMA.h"
 #include "FreeBIOS.h"
 
+#ifdef RETROACHIEVEMENTS_ENABLED
+#include "RetroAchievements/RAClient.h"
+#endif
 // when touching the main loop/timing code, pls test a lot of shit
 // with this enabled, to make sure it doesn't desync
 //#define DEBUG_CHECK_DESYNC
@@ -248,6 +251,11 @@ class NDS
 #endif
 
 public: // TODO: Encapsulate the rest of these members
+    #ifdef RETROACHIEVEMENTS_ENABLED
+    RAContext* ra = nullptr;
+    void SetRAContext(RAContext* ctx) noexcept { ra = ctx; }
+    bool IsGameRunning() const { return RunningGame; }
+    #endif
     void* UserData;
 
     int ConsoleType;

src/NDSCart.cpp

@@ -27,6 +27,11 @@
 #include "FATStorage.h"
 #include "Utils.h"
 
+#ifdef RETROACHIEVEMENTS_ENABLED
+#include "RetroAchievements/RAClient.h"
+#include <rc_hash.h>
+#endif
+
 namespace melonDS
 {
 using Platform::Log;
@@ -202,6 +207,25 @@ CartCommon::CartCommon(std::unique_ptr<u8[]>&& rom, u32 len, u32 chipid, bool ba
     CartType(type),
     UserData(userdata)
 {
+    #ifdef RETROACHIEVEMENTS_ENABLED
+        if (ROM && ROMLength > 0)
+        {
+            const bool ok = rc_hash_generate_from_buffer(
+                this->ra_hash,
+                RC_CONSOLE_NINTENDO_DS,
+                ROM.get(),
+                ROMLength
+            );
+
+            if (ok)
+            {
+                if (ra)
+                {
+                    ra->SetPendingGameHash(this->ra_hash);
+                }
+            }
+        }
+    #endif
     memcpy(&Header, ROM.get(), sizeof(Header));
     IsDSi = Header.IsDSi() && !badDSiDump;
     DSiBase = Header.DSiRegionStart << 19;

src/NDSCart.h

@@ -30,6 +30,10 @@
 #include "FATStorage.h"
 #include "ROMList.h"
 
+#ifdef RETROACHIEVEMENTS_ENABLED
+#include "RetroAchievements/RAClient.h"
+#endif
+
 namespace melonDS
 {
 class NDS;
@@ -76,6 +80,11 @@ struct NDSCartArgs
 class CartCommon
 {
 public:
+    #ifdef RETROACHIEVEMENTS_ENABLED
+    RAContext* ra = nullptr;
+    const char* GetRAHash() const { return ra_hash; }
+    char ra_hash[33] = {0};
+    #endif
     CartCommon(const u8* rom, u32 len, u32 chipid, bool badDSiDump, ROMListEntry romparams, CartType type, void* userdata);
     CartCommon(std::unique_ptr<u8[]>&& rom, u32 len, u32 chipid, bool badDSiDump, ROMListEntry romparams, CartType type, void* userdata);
     virtual ~CartCommon();