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libretro: Cheat support

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This commit is contained in:
Connor McLaughlin
2020-09-25 21:16:33 +10:00
parent 1e6815634a
commit 40037d6e90
6 changed files with 90 additions and 39 deletions
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24
src/duckstation-libretro/libretro_host_interface.cpp
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@ -6,6 +6,7 @@
#include "common/string_util.h"
#include "core/analog_controller.h"
#include "core/bus.h"
#include "core/cheats.h"
#include "core/digital_controller.h"
#include "core/gpu.h"
#include "core/system.h"
@ -369,6 +370,29 @@ size_t LibretroHostInterface::retro_get_memory_size(unsigned id)
}
}
void LibretroHostInterface::retro_cheat_reset()
{
System::SetCheatList(nullptr);
}
void LibretroHostInterface::retro_cheat_set(unsigned index, bool enabled, const char* code)
{
CheatList* cl = System::GetCheatList();
if (!cl)
{
System::SetCheatList(std::make_unique<CheatList>());
cl = System::GetCheatList();
}
CheatCode cc;
cc.description = StringUtil::StdStringFromFormat("Cheat%u", index);
cc.enabled = true;
if (!CheatList::ParseLibretroCheat(&cc, code))
Log_ErrorPrintf("Failed to parse cheat %u '%s'", index, code);
cl->SetCode(index, std::move(cc));
}
bool LibretroHostInterface::AcquireHostDisplay()
{
// start in software mode, switch to hardware later

2
src/duckstation-libretro/libretro_host_interface.h
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@ -40,6 +40,8 @@ public:
bool retro_unserialize(const void* data, size_t size);
void* retro_get_memory_data(unsigned id);
size_t retro_get_memory_size(unsigned id);
void retro_cheat_reset();
void retro_cheat_set(unsigned index, bool enabled, const char* code);
protected:
bool AcquireHostDisplay() override;

6
src/duckstation-libretro/main.cpp
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@ -79,12 +79,14 @@ RETRO_API bool retro_unserialize(const void* data, size_t size)
RETRO_API void retro_cheat_reset(void)
{
Log_ErrorPrintf("retro_cheat_reset()");
Log_InfoPrint("retro_cheat_reset()");
g_libretro_host_interface.retro_cheat_reset();
}
RETRO_API void retro_cheat_set(unsigned index, bool enabled, const char* code)
{
Log_ErrorPrintf("retro_cheat_set(%u, %u, %s)", index, enabled, code);
Log_InfoPrintf("retro_cheat_set(%u, %u, %s)", index, enabled, code);
g_libretro_host_interface.retro_cheat_set(index, enabled, code);
}
RETRO_API bool retro_load_game(const struct retro_game_info* game)