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Libretro: Set input descriptors to each retropad mapping options

This commit is contained in:
retro-wertz 2018-06-21 15:05:52 +08:00 committed by Rafael Kitover
parent 68028b503b
commit 7337341166
1 changed files with 67 additions and 14 deletions
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81
src/libretro/libretro.cpp
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@ -46,7 +46,7 @@ static bool sndInterpolation = true;
static bool enableRtc = false;
static bool can_dupe = false;
int emulating = 0;
static unsigned controller_layout = 0;
static int retropad_layout = 0;
uint8_t libretro_save_buf[0x20000 + 0x2000]; /* Workaround for broken-by-design GBA save semantics. */
@ -163,6 +163,8 @@ void retro_set_input_state(retro_input_state_t cb)
input_cb = cb;
}
static void update_input_descriptors(void);
void retro_set_controller_port_device(unsigned port, unsigned device)
{
if (port > 0) return; // GBA Only supports 1 controller
@ -173,18 +175,20 @@ void retro_set_controller_port_device(unsigned port, unsigned device)
case RETRO_DEVICE_JOYPAD:
case RETRO_DEVICE_GBA:
default:
controller_layout = 0;
retropad_layout = 0;
break;
case RETRO_DEVICE_GBA_ALT1:
controller_layout = 1;
retropad_layout = 1;
break;
case RETRO_DEVICE_GBA_ALT2:
controller_layout = 2;
retropad_layout = 2;
break;
case RETRO_DEVICE_NONE:
controller_layout = -1;
retropad_layout = -1;
break;
}
update_input_descriptors();
}
void retro_set_environment(retro_environment_t cb)
@ -811,11 +815,9 @@ void retro_cheat_set(unsigned index, bool enabled, const char* code)
}
}
bool retro_load_game(const struct retro_game_info *game)
static void update_input_descriptors(void)
{
update_variables();
struct retro_input_descriptor input_desc[] = {
struct retro_input_descriptor input_gba[] = {
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
@ -829,10 +831,61 @@ bool retro_load_game(const struct retro_game_info *game)
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "Solar Sensor (Darker)" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "Solar Sensor (Lighter)" },
{ 0 },
{ 0, 0, 0, 0, NULL },
};
environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, input_desc);
struct retro_input_descriptor input_gba_alt1[] = {
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_Y, "B" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "A" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "Solar Sensor (Darker)" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "Solar Sensor (Lighter)" },
{ 0, 0, 0, 0, NULL },
};
struct retro_input_descriptor input_gba_alt2[] = {
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_LEFT, "D-Pad Left" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_UP, "D-Pad Up" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_DOWN, "D-Pad Down" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_RIGHT, "D-Pad Right" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A, "B" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B, "A" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L, "L" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "Solar Sensor (Darker)" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "Solar Sensor (Lighter)" },
{ 0, 0, 0, 0, NULL },
};
switch (retropad_layout)
{
case 0:
environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, input_gba);
break;
case 1:
environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, input_gba_alt1);
break;
case 2:
environ_cb(RETRO_ENVIRONMENT_SET_INPUT_DESCRIPTORS, input_gba_alt2);
break;
}
}
bool retro_load_game(const struct retro_game_info *game)
{
update_variables();
update_input_descriptors();
int romSize = CPULoadRomData((const char*)game->data, game->size);
if (!romSize)
@ -965,11 +1018,11 @@ uint32_t systemReadJoypad(int which)
if (which == -1)
which = 0;
unsigned ControllerLayout = controller_layout;
uint32_t J = 0;
for (unsigned i = 0; i < MAX_BUTTONS; i++)
J |= input_cb(which, RETRO_DEVICE_JOYPAD, 0, binds[ControllerLayout][i]) << i;
if (retropad_layout >= 0)
for (unsigned i = 0; i < MAX_BUTTONS; i++)
J |= input_cb(which, RETRO_DEVICE_JOYPAD, 0, binds[retropad_layout][i]) << i;
// Do not allow opposing directions
if ((J & 0x30) == 0x30)