libretro/mame2003-plus-libretro
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Merge pull request #49 from dankcushions/dial2player

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Support to share one mouse-type device as 2 dial controls (player 1 =…
This commit is contained in:
Twinaphex 2016-08-05 06:07:25 +02:00 committed by GitHub
commit ef38e60fec
2 changed files with 23 additions and 0 deletions
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8
src/inptport.c
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@ -46,6 +46,7 @@ extern unsigned int coinlockedout[COIN_COUNTERS];
static unsigned short input_port_value[MAX_INPUT_PORTS];
static unsigned short input_vblank[MAX_INPUT_PORTS];
extern unsigned int dial_share_xy;
/***************************************************************************
@ -2073,6 +2074,13 @@ void update_analog_port(int port)
delta = 0;
player = IP_GET_PLAYER(in);
/* if second player on a dial, and dial sharing turned on, use Y axis from player 1 */
if (dial_share_xy && type == IPT_DIAL && player == 1)
{
axis = Y_AXIS;
player = 0;
}
delta = mouse_delta_axis[player][axis];

15
src/libretro/libretro.c
View File

@ -53,6 +53,7 @@ void retro_set_environment(retro_environment_t cb)
{ "mame2003-samples", "Samples; enabled|disabled" },
{ "mame2003-sample_rate", "Sample Rate (KHz); 48000|8000|11025|22050|44100" },
{ "mame2003-cheats", "Cheats; disabled|enabled" },
{ "mame2003-dialsharexy", "Share 2 player dial controls across one X/Y device; disabled|enabled" },
{ NULL, NULL },
};
environ_cb = cb;
@ -180,6 +181,7 @@ unsigned skip_disclaimer = 0;
unsigned skip_warnings = 0;
unsigned samples = 0;
unsigned cheats = 0;
unsigned dial_share_xy = 0;
static void update_variables(void)
{
@ -265,6 +267,19 @@ static void update_variables(void)
}
else
cheats = 0;
var.value = NULL;
var.key = "mame2003-dialsharexy";
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
{
if(strcmp(var.value, "enabled") == 0)
dial_share_xy = 1;
else
dial_share_xy = 0;
}
else
dial_share_xy = 0;
}
static void check_system_specs(void)