Emulation/Mesen
1
0
Fork 0
mirror of https://github.com/SourMesen/Mesen.git synced 2024-06-02 19:38:32 -04:00
Code Issues Packages Projects Releases Wiki Activity

Libretro: Option to rotate A/B buttons like Nestopia core (changes default layout to match other NES cores)

Browse source
This commit is contained in:
Sour 2019-11-13 19:02:38 -05:00
parent fa05434d56
commit df6b003a36
1 changed files with 26 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

34
Libretro/libretro.cpp
View file

@ -46,6 +46,7 @@ static string _mesenVersion = "";
static int32_t _saveStateSize = -1;
static struct retro_memory_descriptor _descriptors[3];
static struct retro_memory_map _memoryMap;
static bool _shiftButtonsClockwise = false;
//Include game database as a byte array (representing the MesenDB.txt file)
#include "MesenDB.inc"
@ -76,6 +77,7 @@ static constexpr const char* MesenMuteTriangleUltrasonic = "mesen_mute_triangle_
static constexpr const char* MesenReduceDmcPopping = "mesen_reduce_dmc_popping";
static constexpr const char* MesenSwapDutyCycle = "mesen_swap_duty_cycle";
static constexpr const char* MesenDisableNoiseModeFlag = "mesen_disable_noise_mode_flag";
static constexpr const char* MesenShiftButtonsClockwise = "mesen_shift_buttons_clockwise";
uint32_t defaultPalette[0x40] { 0xFF666666, 0xFF002A88, 0xFF1412A7, 0xFF3B00A4, 0xFF5C007E, 0xFF6E0040, 0xFF6C0600, 0xFF561D00, 0xFF333500, 0xFF0B4800, 0xFF005200, 0xFF004F08, 0xFF00404D, 0xFF000000, 0xFF000000, 0xFF000000, 0xFFADADAD, 0xFF155FD9, 0xFF4240FF, 0xFF7527FE, 0xFFA01ACC, 0xFFB71E7B, 0xFFB53120, 0xFF994E00, 0xFF6B6D00, 0xFF388700, 0xFF0C9300, 0xFF008F32, 0xFF007C8D, 0xFF000000, 0xFF000000, 0xFF000000, 0xFFFFFEFF, 0xFF64B0FF, 0xFF9290FF, 0xFFC676FF, 0xFFF36AFF, 0xFFFE6ECC, 0xFFFE8170, 0xFFEA9E22, 0xFFBCBE00, 0xFF88D800, 0xFF5CE430, 0xFF45E082, 0xFF48CDDE, 0xFF4F4F4F, 0xFF000000, 0xFF000000, 0xFFFFFEFF, 0xFFC0DFFF, 0xFFD3D2FF, 0xFFE8C8FF, 0xFFFBC2FF, 0xFFFEC4EA, 0xFFFECCC5, 0xFFF7D8A5, 0xFFE4E594, 0xFFCFEF96, 0xFFBDF4AB, 0xFFB3F3CC, 0xFFB5EBF2, 0xFFB8B8B8, 0xFF000000, 0xFF000000 };
uint32_t unsaturatedPalette[0x40] { 0xFF6B6B6B, 0xFF001E87, 0xFF1F0B96, 0xFF3B0C87, 0xFF590D61, 0xFF5E0528, 0xFF551100, 0xFF461B00, 0xFF303200, 0xFF0A4800, 0xFF004E00, 0xFF004619, 0xFF003A58, 0xFF000000, 0xFF000000, 0xFF000000, 0xFFB2B2B2, 0xFF1A53D1, 0xFF4835EE, 0xFF7123EC, 0xFF9A1EB7, 0xFFA51E62, 0xFFA52D19, 0xFF874B00, 0xFF676900, 0xFF298400, 0xFF038B00, 0xFF008240, 0xFF007891, 0xFF000000, 0xFF000000, 0xFF000000, 0xFFFFFFFF, 0xFF63ADFD, 0xFF908AFE, 0xFFB977FC, 0xFFE771FE, 0xFFF76FC9, 0xFFF5836A, 0xFFDD9C29, 0xFFBDB807, 0xFF84D107, 0xFF5BDC3B, 0xFF48D77D, 0xFF48CCCE, 0xFF555555, 0xFF000000, 0xFF000000, 0xFFFFFFFF, 0xFFC4E3FE, 0xFFD7D5FE, 0xFFE6CDFE, 0xFFF9CAFE, 0xFFFEC9F0, 0xFFFED1C7, 0xFFF7DCAC, 0xFFE8E89C, 0xFFD1F29D, 0xFFBFF4B1, 0xFFB7F5CD, 0xFFB7F0EE, 0xFFBEBEBE, 0xFF000000, 0xFF000000 };
@ -155,6 +157,7 @@ extern "C" {
{ MesenOverscanHorizontal, "Horizontal Overscan; None|8px|16px" },
{ MesenAspectRatio, "Aspect Ratio; Auto|No Stretching|NTSC|PAL|4:3|16:9" },
{ MesenControllerTurboSpeed, "Controller Turbo Speed; Fast|Very Fast|Disabled|Slow|Normal" },
{ MesenShiftButtonsClockwise, u8"Shift A/B/X/Y clockwise; disabled|enabled" },
{ MesenHdPacks, "Enable HD Packs; enabled|disabled" },
{ MesenNoSpriteLimit, "Remove sprite limit; enabled|disabled" },
{ MesenFakeStereo, u8"Enable fake stereo effect; disabled|enabled" },
@ -519,6 +522,14 @@ extern "C" {
}
}
_shiftButtonsClockwise = false;
if(readVariable(MesenShiftButtonsClockwise, var)) {
string value = string(var.value);
if(value == "enabled") {
_shiftButtonsClockwise = true;
}
}
auto getKeyCode = [=](int port, int retroKey) {
return (port << 8) | (retroKey + 1);
};
@ -534,11 +545,11 @@ extern "C" {
keyMappings.Mapping1.TurboA = getKeyCode(port, RETRO_DEVICE_ID_JOYPAD_X);
keyMappings.Mapping1.TurboB = getKeyCode(port, RETRO_DEVICE_ID_JOYPAD_Y);
} else {
keyMappings.Mapping1.A = getKeyCode(port, RETRO_DEVICE_ID_JOYPAD_B);
keyMappings.Mapping1.B = getKeyCode(port, RETRO_DEVICE_ID_JOYPAD_Y);
keyMappings.Mapping1.A = getKeyCode(port, _shiftButtonsClockwise ? RETRO_DEVICE_ID_JOYPAD_B : RETRO_DEVICE_ID_JOYPAD_A);
keyMappings.Mapping1.B = getKeyCode(port, _shiftButtonsClockwise ? RETRO_DEVICE_ID_JOYPAD_Y : RETRO_DEVICE_ID_JOYPAD_B);
if(turboEnabled) {
keyMappings.Mapping1.TurboA = getKeyCode(port, RETRO_DEVICE_ID_JOYPAD_A);
keyMappings.Mapping1.TurboB = getKeyCode(port, RETRO_DEVICE_ID_JOYPAD_X);
keyMappings.Mapping1.TurboA = getKeyCode(port, _shiftButtonsClockwise ? RETRO_DEVICE_ID_JOYPAD_A : RETRO_DEVICE_ID_JOYPAD_X);
keyMappings.Mapping1.TurboB = getKeyCode(port, _shiftButtonsClockwise ? RETRO_DEVICE_ID_JOYPAD_X : RETRO_DEVICE_ID_JOYPAD_Y);
}
}
@ -773,10 +784,17 @@ extern "C" {
addDesc(port, RETRO_DEVICE_ID_JOYPAD_L, "L");
addDesc(port, RETRO_DEVICE_ID_JOYPAD_R, "R");
} else {
addDesc(port, RETRO_DEVICE_ID_JOYPAD_B, "A");
addDesc(port, RETRO_DEVICE_ID_JOYPAD_Y, "B");
addDesc(port, RETRO_DEVICE_ID_JOYPAD_A, "Turbo A");
addDesc(port, RETRO_DEVICE_ID_JOYPAD_X, "Turbo B");
if(_shiftButtonsClockwise) {
addDesc(port, RETRO_DEVICE_ID_JOYPAD_B, "A");
addDesc(port, RETRO_DEVICE_ID_JOYPAD_Y, "B");
addDesc(port, RETRO_DEVICE_ID_JOYPAD_A, "Turbo A");
addDesc(port, RETRO_DEVICE_ID_JOYPAD_X, "Turbo B");
} else {
addDesc(port, RETRO_DEVICE_ID_JOYPAD_A, "A");
addDesc(port, RETRO_DEVICE_ID_JOYPAD_B, "B");
addDesc(port, RETRO_DEVICE_ID_JOYPAD_X, "Turbo A");
addDesc(port, RETRO_DEVICE_ID_JOYPAD_Y, "Turbo B");
}
if(port == 0) {
addDesc(port, RETRO_DEVICE_ID_JOYPAD_L, "(FDS) Insert Next Disk");