From 92848c8786bace2e0b764910d8b477fb96c4004a Mon Sep 17 00:00:00 2001
From: Bernardo Gomes Negri <b.gomes.negri@gmail.com>
Date: Sun, 1 Dec 2024 12:30:34 -0300
Subject: [PATCH] remove unneeded functions

---
 src/libretro/CMakeLists.txt  |  2 --
 src/libretro/environment.cpp | 17 ----------------
 src/libretro/environment.hpp |  2 --
 src/libretro/libretro.cpp    | 38 ------------------------------------
 4 files changed, 59 deletions(-)

diff --git a/src/libretro/CMakeLists.txt b/src/libretro/CMakeLists.txt
index cb9c7132..7f1e7d38 100644
--- a/src/libretro/CMakeLists.txt
+++ b/src/libretro/CMakeLists.txt
@@ -1,5 +1,3 @@
-cmake_minimum_required(VERSION 3.20)
-# 3.20 required for detecting endianness
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 
diff --git a/src/libretro/environment.cpp b/src/libretro/environment.cpp
index bd823d2f..4c7c8d6b 100644
--- a/src/libretro/environment.cpp
+++ b/src/libretro/environment.cpp
@@ -77,8 +77,6 @@ namespace retro {
 
     static char _sysSubdir[PATH_LENGTH] {};
     static size_t _sysSubdirLength = 0;
-    
-    static int64_t _usTime = 0;
 
     static void log(enum retro_log_level level, const char* fmt, va_list va) noexcept;
     static void NormalizePath(std::span<char> buffer, size_t& pathLength) noexcept;
@@ -670,14 +668,6 @@ optional<string> retro::get_system_path(string_view name) noexcept {
     return string(fullpath);
 }
 
-int64_t retro::get_us_time() {
-    return _usTime;
-}
-
-PUBLIC_SYMBOL void us_time_callback(retro_usec_t deltaTime) {
-    retro::_usTime += deltaTime;
-}
-
 void retro::env::init() noexcept {
     ZoneScopedN(TracyFunction);
     retro_assert(_environment != nullptr);
@@ -697,7 +687,6 @@ void retro::env::deinit() noexcept {
     _saveSubdirLength = 0;
     _sysDirLength = 0;
     _sysSubdirLength = 0;
-    _usTime = 0;
     _environment = nullptr;
     _log = nullptr;
     _supports_bitmasks = false;
@@ -720,12 +709,6 @@ PUBLIC_SYMBOL void retro_set_environment(retro_environment_t cb) {
     retro_core_options_update_display_callback update_display_cb {MelonDsDs::UpdateOptionVisibility};
     environment(RETRO_ENVIRONMENT_SET_CORE_OPTIONS_UPDATE_DISPLAY_CALLBACK, &update_display_cb);
 
-    /*struct retro_frame_time_callback frame_time_cb = {
-        .callback = &us_time_callback,
-        .reference = 16667,
-    };
-    bool hasTime = environment(RETRO_ENVIRONMENT_SET_FRAME_TIME_CALLBACK, &frame_time_cb);*/
-
     retro_netpacket_callback netpacket_callback {
         .start = &MelonDsDs::MpStarted,
         .receive = &MelonDsDs::MpReceived,
diff --git a/src/libretro/environment.hpp b/src/libretro/environment.hpp
index 892204cb..7c968552 100644
--- a/src/libretro/environment.hpp
+++ b/src/libretro/environment.hpp
@@ -121,8 +121,6 @@ namespace retro {
     std::optional<std::string_view> get_system_subdirectory() noexcept;
     std::optional<std::string> get_system_path(std::string_view name) noexcept;
     std::optional<std::string> get_system_subdir_path(std::string_view name) noexcept;
-    
-    int64_t get_us_time();
 
     namespace env {
         void init() noexcept;
diff --git a/src/libretro/libretro.cpp b/src/libretro/libretro.cpp
index 4ccfbf0b..991dc31b 100644
--- a/src/libretro/libretro.cpp
+++ b/src/libretro/libretro.cpp
@@ -30,9 +30,7 @@
 #include <compat/strl.h>
 #include <file/file_path.h>
 #include <libretro.h>
-#define RARCH_INTERNAL
 #include <retro_assert.h>
-#undef RARCH_INTERNAL
 #include <retro_miscellaneous.h>
 
 #undef isnan
@@ -65,41 +63,6 @@ namespace MelonDsDs {
     CoreState& Core = *reinterpret_cast<CoreState*>(CoreStateBuffer.data());
 }
 
-void testEqual(const char *mensagem, uint8_t a, uint8_t b) {
-    if (a != b) {
-        retro::error("valores de {} divergem: {} nao e igual a {}", mensagem, a, b);
-    }
-}
-
-void printBuf(const char *buf, size_t len) {
-    const uint8_t *bufa = (const uint8_t *)buf;
-    printf("{ ");
-    for(int i = 0; i < len; i++) {
-        printf("%02X, ", bufa[i]);
-    }
-    printf(" }\n");
-}
-
-void testPacket() {
-    const char *teste = "olá, tudo bem?";
-    MelonDsDs::Packet p{teste, strlen(teste) + 1, 50, 2, true};
-    std::vector<uint8_t> bufBytes = p.ToBuf();
-    const char *buf = (const char *)bufBytes.data();
-    MelonDsDs::Packet np = MelonDsDs::Packet::parsePk(buf, p.Length() + MelonDsDs::HeaderSize);
-
-    retro_assert(np.Length() == p.Length() && p.Length() == strlen(teste) + 1);
-    testEqual("aid dos pacotes", p.Aid(), np.Aid());
-    testEqual("aid esperada", p.Aid(), 2);
-    retro_assert(p.Aid() == np.Aid() && p.Aid() == 2);
-    retro_assert(p.IsReply() == np.IsReply() && p.IsReply());
-    retro_assert(p.Timestamp() == np.Timestamp() && p.Timestamp() == 50);
-    retro_assert(strcmp((const char *)p.Data(), (const char *)np.Data()) == 0 && strcmp((const char *)p.Data(), teste) == 0);
-    std::vector<uint8_t> npBytes = np.ToBuf();
-    printBuf(buf, p.Length() + MelonDsDs::HeaderSize);
-    printBuf((const char *)npBytes.data(), np.Length() + MelonDsDs::HeaderSize);
-    retro_assert(memcmp(buf, (const char *)npBytes.data(), p.Length() + MelonDsDs::HeaderSize) == 0);
-}
-
 PUBLIC_SYMBOL void retro_init(void) {
 #ifdef HAVE_TRACY
     tracy::StartupProfiler();
@@ -116,7 +79,6 @@ PUBLIC_SYMBOL void retro_init(void) {
     memset(MelonDsDs::CoreStateBuffer.data(), 0, MelonDsDs::CoreStateBuffer.size());
     new(&MelonDsDs::CoreStateBuffer) MelonDsDs::CoreState(); // placement-new the CoreState
     retro_assert(MelonDsDs::Core.IsInitialized());
-    testPacket();
 }
 
 PUBLIC_SYMBOL bool retro_load_game(const struct retro_game_info *info) {