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RetroArch/input/drivers_joypad/ps3_joypad.c
twinaphex 897a9de5be (drivers_joypad) Cleanup axis functions
2020-07-19 18:51:05 +02:00

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2017 - Daniel De Matteis
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdint.h>
#include <retro_inline.h>
#include "../../config.def.h"
#include "../../tasks/tasks_internal.h"
static uint64_t pad_state[DEFAULT_MAX_PADS];
static int16_t analog_state[DEFAULT_MAX_PADS][2][2];
static uint64_t pads_connected[DEFAULT_MAX_PADS];
#if 0
sensor_t accelerometer_state[DEFAULT_MAX_PADS];
#endif
static INLINE int16_t convert_u8_to_s16(uint8_t val)
{
if (val == 0)
return -0x7fff;
return val * 0x0101 - 0x8000;
}
static const char *ps3_joypad_name(unsigned pad)
{
return "SixAxis Controller";
}
static void ps3_joypad_autodetect_add(unsigned autoconf_pad)
{
input_autoconfigure_connect(
ps3_joypad_name(autoconf_pad),
NULL,
ps3_joypad.ident,
autoconf_pad,
0,
0
);
}
static bool ps3_joypad_init(void *data)
{
(void)data;
cellPadInit(DEFAULT_MAX_PADS);
return true;
}
static int16_t ps3_joypad_button(unsigned port, uint16_t joykey)
{
if (port >= DEFAULT_MAX_PADS)
return 0;
return pad_state[port] & (UINT64_C(1) << joykey);
}
static void ps3_joypad_get_buttons(unsigned port_num, input_bits_t *state)
{
if (port_num < DEFAULT_MAX_PADS)
{
BITS_COPY16_PTR( state, pad_state[port_num] );
}
else
BIT256_CLEAR_ALL_PTR(state);
}
static int16_t ps3_joypad_axis_state(unsigned port, uint32_t joyaxis)
{
int val = 0;
int axis = -1;
bool is_neg = false;
bool is_pos = false;
if (AXIS_NEG_GET(joyaxis) < 4)
{
axis = AXIS_NEG_GET(joyaxis);
is_neg = true;
}
else if (AXIS_POS_GET(joyaxis) < 4)
{
axis = AXIS_POS_GET(joyaxis);
is_pos = true;
}
else
return 0;
switch (axis)
{
case 0:
case 1:
val = analog_state[port][0][axis];
break;
case 2:
case 3:
val = analog_state[port][1][axis-2];
break;
}
if (is_neg && val > 0)
return 0;
else if (is_pos && val < 0)
return 0;
return val;
}
static int16_t ps3_joypad_axis(unsigned port, uint32_t joyaxis)
{
if (port >= DEFAULT_MAX_PADS)
return 0;
return ps3_joypad_axis_state(port, joyaxis);
}
static int16_t ps3_joypad_state(
rarch_joypad_info_t *joypad_info,
const struct retro_keybind *binds,
unsigned port)
{
unsigned i;
int16_t ret = 0;
if (port >= DEFAULT_MAX_PADS)
return 0;
for (i = 0; i < RARCH_FIRST_CUSTOM_BIND; i++)
{
/* Auto-binds are per joypad, not per user. */
const uint64_t joykey = (binds[i].joykey != NO_BTN)
? binds[i].joykey : joypad_info->auto_binds[i].joykey;
const uint32_t joyaxis = (binds[i].joyaxis != AXIS_NONE)
? binds[i].joyaxis : joypad_info->auto_binds[i].joyaxis;
if (
(uint16_t)joykey != NO_BTN
&& pad_state[port] & (UINT64_C(1) << (uint16_t)joykey)
)
ret |= ( 1 << i);
else if (joyaxis != AXIS_NONE &&
((float)abs(ps3_joypad_axis_state(port, joyaxis))
/ 0x8000) > joypad_info->axis_threshold)
ret |= (1 << i);
}
return ret;
}
static void ps3_joypad_poll(void)
{
unsigned port;
CellPadInfo2 pad_info;
cellPadGetInfo2(&pad_info);
for (port = 0; port < DEFAULT_MAX_PADS; port++)
{
CellPadData state_tmp;
if (pad_info.port_status[port] & CELL_PAD_STATUS_ASSIGN_CHANGES)
{
if ( (pad_info.port_status[port] & CELL_PAD_STATUS_CONNECTED) == 0 )
{
input_autoconfigure_disconnect(port, ps3_joypad.ident);
pads_connected[port] = 0;
}
else if ((pad_info.port_status[port] & CELL_PAD_STATUS_CONNECTED) > 0 )
{
pads_connected[port] = 1;
ps3_joypad_autodetect_add(port);
}
}
if (pads_connected[port] == 0)
continue;
cellPadGetData(port, &state_tmp);
if (state_tmp.len != 0)
{
uint64_t *state_cur = &pad_state[port];
*state_cur = 0;
*state_cur |= (state_tmp.button[CELL_PAD_BTN_OFFSET_DIGITAL1] & CELL_PAD_CTRL_LEFT) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_LEFT) : 0;
*state_cur |= (state_tmp.button[CELL_PAD_BTN_OFFSET_DIGITAL1] & CELL_PAD_CTRL_DOWN) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_DOWN) : 0;
*state_cur |= (state_tmp.button[CELL_PAD_BTN_OFFSET_DIGITAL1] & CELL_PAD_CTRL_RIGHT) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_RIGHT) : 0;
*state_cur |= (state_tmp.button[CELL_PAD_BTN_OFFSET_DIGITAL1] & CELL_PAD_CTRL_UP) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_UP) : 0;
*state_cur |= (state_tmp.button[CELL_PAD_BTN_OFFSET_DIGITAL1] & CELL_PAD_CTRL_START) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_START) : 0;
*state_cur |= (state_tmp.button[CELL_PAD_BTN_OFFSET_DIGITAL1] & CELL_PAD_CTRL_R3) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_R3) : 0;
*state_cur |= (state_tmp.button[CELL_PAD_BTN_OFFSET_DIGITAL1] & CELL_PAD_CTRL_L3) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_L3) : 0;
*state_cur |= (state_tmp.button[CELL_PAD_BTN_OFFSET_DIGITAL1] & CELL_PAD_CTRL_SELECT) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_SELECT) : 0;
*state_cur |= (state_tmp.button[CELL_PAD_BTN_OFFSET_DIGITAL2] & CELL_PAD_CTRL_TRIANGLE) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_X) : 0;
*state_cur |= (state_tmp.button[CELL_PAD_BTN_OFFSET_DIGITAL2] & CELL_PAD_CTRL_SQUARE) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_Y) : 0;
if (menu_driver_is_alive())
{
int value = 0;
if (cellSysutilGetSystemParamInt(CELL_SYSUTIL_SYSTEMPARAM_ID_ENTER_BUTTON_ASSIGN, &value) == 0)
{
if (state_tmp.button[CELL_PAD_BTN_OFFSET_DIGITAL2] & CELL_PAD_CTRL_CROSS)
*state_cur |= (value == CELL_SYSUTIL_ENTER_BUTTON_ASSIGN_CROSS) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_A) : (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_B);
if (state_tmp.button[CELL_PAD_BTN_OFFSET_DIGITAL2] & CELL_PAD_CTRL_CIRCLE)
*state_cur |= (value == CELL_SYSUTIL_ENTER_BUTTON_ASSIGN_CIRCLE) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_A) : (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_B);
}
}
else
{
*state_cur |= (state_tmp.button[CELL_PAD_BTN_OFFSET_DIGITAL2] & CELL_PAD_CTRL_CROSS) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_B) : 0;
*state_cur |= (state_tmp.button[CELL_PAD_BTN_OFFSET_DIGITAL2] & CELL_PAD_CTRL_CIRCLE) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_A) : 0;
}
*state_cur |= (state_tmp.button[CELL_PAD_BTN_OFFSET_DIGITAL2] & CELL_PAD_CTRL_R1) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_R) : 0;
*state_cur |= (state_tmp.button[CELL_PAD_BTN_OFFSET_DIGITAL2] & CELL_PAD_CTRL_L1) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_L) : 0;
*state_cur |= (state_tmp.button[CELL_PAD_BTN_OFFSET_DIGITAL2] & CELL_PAD_CTRL_R2) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_R2) : 0;
*state_cur |= (state_tmp.button[CELL_PAD_BTN_OFFSET_DIGITAL2] & CELL_PAD_CTRL_L2) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_L2) : 0;
*state_cur |= (state_tmp.button[CELL_PAD_BTN_OFFSET_DIGITAL2] & CELL_PAD_CTRL_L2) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_L2) : 0;
uint8_t lsx = (uint8_t)(state_tmp.button[CELL_PAD_BTN_OFFSET_ANALOG_LEFT_X]);
uint8_t lsy = (uint8_t)(state_tmp.button[CELL_PAD_BTN_OFFSET_ANALOG_LEFT_Y]);
uint8_t rsx = (uint8_t)(state_tmp.button[CELL_PAD_BTN_OFFSET_ANALOG_RIGHT_X]);
uint8_t rsy = (uint8_t)(state_tmp.button[CELL_PAD_BTN_OFFSET_ANALOG_RIGHT_Y]);
analog_state[port][RETRO_DEVICE_INDEX_ANALOG_LEFT ][RETRO_DEVICE_ID_ANALOG_X] = convert_u8_to_s16(lsx);
analog_state[port][RETRO_DEVICE_INDEX_ANALOG_LEFT ][RETRO_DEVICE_ID_ANALOG_Y] = convert_u8_to_s16(lsy);
analog_state[port][RETRO_DEVICE_INDEX_ANALOG_RIGHT][RETRO_DEVICE_ID_ANALOG_X] = convert_u8_to_s16(rsx);
analog_state[port][RETRO_DEVICE_INDEX_ANALOG_RIGHT][RETRO_DEVICE_ID_ANALOG_Y] = convert_u8_to_s16(rsy);
#if 0
accelerometer_state[port].x = state_tmp.button[CELL_PAD_BTN_OFFSET_SENSOR_X];
accelerometer_state[port].y = state_tmp.button[CELL_PAD_BTN_OFFSET_SENSOR_Y];
accelerometer_state[port].z = state_tmp.button[CELL_PAD_BTN_OFFSET_SENSOR_Z];
#endif
}
for (int i = 0; i < 2; i++)
for (int j = 0; j < 2; j++)
if (analog_state[port][i][j] == -0x8000)
analog_state[port][i][j] = -0x7fff;
}
}
static bool ps3_joypad_query_pad(unsigned pad)
{
return pad < MAX_USERS && pad_state[pad];
}
static bool ps3_joypad_rumble(unsigned pad,
enum retro_rumble_effect effect, uint16_t strength)
{
CellPadActParam params;
switch (effect)
{
case RETRO_RUMBLE_WEAK:
if (strength > 1)
strength = 1;
params.motor[0] = strength;
break;
case RETRO_RUMBLE_STRONG:
if (strength > 255)
strength = 255;
params.motor[1] = strength;
break;
}
cellPadSetActDirect(pad, &params);
return true;
}
static void ps3_joypad_destroy(void)
{
cellPadEnd();
}
input_device_driver_t ps3_joypad = {
ps3_joypad_init,
ps3_joypad_query_pad,
ps3_joypad_destroy,
ps3_joypad_button,
ps3_joypad_state,
ps3_joypad_get_buttons,
ps3_joypad_axis,
ps3_joypad_poll,
ps3_joypad_rumble,
ps3_joypad_name,
"ps3",
};
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