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Libretro: Allow blocking opposing directional input

This commit is contained in:
Jeffrey Pfau 2015-12-29 23:10:02 -05:00
parent 089e692bd1
commit 5147a5160f
2 changed files with 15 additions and 0 deletions
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1
CHANGES
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@ -10,6 +10,7 @@ Features:
- Support for VBA-style cheat codes - Support for VBA-style cheat codes
- Savestates now store creation timestamps - Savestates now store creation timestamps
- Key autofire - Key autofire
- Libretro: Allow blocking opposing directional input
Bugfixes: Bugfixes:
- Util: Fix PowerPC PNG read/write pixel order - Util: Fix PowerPC PNG read/write pixel order
- VFS: Fix VFileReadline and remove _vfdReadline - VFS: Fix VFileReadline and remove _vfdReadline

14
src/platform/libretro/libretro.c
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@ -19,6 +19,7 @@
#define RUMBLE_PWM 35 #define RUMBLE_PWM 35
#define SOLAR_SENSOR_LEVEL "mgba_solar_sensor_level" #define SOLAR_SENSOR_LEVEL "mgba_solar_sensor_level"
#define ALLOW_OPPOSING_DIRECTIONS "mgba_allow_opposing_directions"
static retro_environment_t environCallback; static retro_environment_t environCallback;
static retro_video_refresh_t videoCallback; static retro_video_refresh_t videoCallback;
@ -58,6 +59,7 @@ void retro_set_environment(retro_environment_t env) {
struct retro_variable vars[] = { struct retro_variable vars[] = {
{ SOLAR_SENSOR_LEVEL, "Solar sensor level; 0|1|2|3|4|5|6|7|8|9|10" }, { SOLAR_SENSOR_LEVEL, "Solar sensor level; 0|1|2|3|4|5|6|7|8|9|10" },
{ ALLOW_OPPOSING_DIRECTIONS, "Allow opposing directional input; no|yes" },
{ 0, 0 } { 0, 0 }
}; };
@ -212,6 +214,18 @@ void retro_run(void) {
uint16_t keys; uint16_t keys;
inputPollCallback(); inputPollCallback();
struct retro_variable var = {
.key = ALLOW_OPPOSING_DIRECTIONS,
.value = 0
};
bool updated = false;
if (environCallback(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated) {
if (environCallback(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
context.gba->allowOpposingDirections = strcmp(var.value, "yes") == 0;
}
}
keys = 0; keys = 0;
keys |= (!!inputCallback(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A)) << 0; keys |= (!!inputCallback(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_A)) << 0;
keys |= (!!inputCallback(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B)) << 1; keys |= (!!inputCallback(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_B)) << 1;