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RetroArch/input/drivers_joypad/psp_joypad.c
twinaphex 4676e102d0 (input/drivers_joypad) Add TODO/FIXME notes
2020-08-03 17:31:22 +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 <string.h>
#include "../../config.def.h"
#include "../input_driver.h"
#include "../../tasks/tasks_internal.h"
#include "../../configuration.h"
#include "../../defines/psp_defines.h"
#ifdef HAVE_MENU
#include "../../menu/menu_driver.h"
#endif
#if defined(VITA)
#include <psp2/kernel/sysmem.h>
#include <psp2/ctrl.h>
#include <psp2/touch.h>
/* TODO/FIXME - static globals */
static int psp2_model;
static SceCtrlPortInfo old_ctrl_info, curr_ctrl_info;
static SceCtrlActuator actuators[DEFAULT_MAX_PADS] = {0};
#define LERP(p, f, t) ((((p * 10) * (t * 10)) / (f * 10)) / 10)
#define AREA(lx, ly, rx, ry, x, y) (lx <= x && x < rx && ly <= y && y < ry)
#define TOUCH_MAX_WIDTH 1919
#define TOUCH_MAX_HEIGHT 1087
#define SCREEN_WIDTH PSP_FB_WIDTH
#define SCREEN_HEIGHT PSP_FB_HEIGHT
#define SCREEN_HALF_WIDTH SCREEN_WIDTH / 2
#define SCREEN_HALF_HEIGHT SCREEN_HEIGHT / 2
#define NW_AREA(x, y) AREA(0, 0, SCREEN_HALF_WIDTH, SCREEN_HALF_HEIGHT, (x), (y))
#define NE_AREA(x, y) AREA(SCREEN_HALF_WIDTH, 0, SCREEN_WIDTH, SCREEN_HALF_HEIGHT, (x), (y))
#define SW_AREA(x, y) AREA(0, SCREEN_HALF_HEIGHT, SCREEN_HALF_WIDTH, SCREEN_HEIGHT, (x), (y))
#define SE_AREA(x, y) AREA(SCREEN_HALF_WIDTH, SCREEN_HALF_HEIGHT, SCREEN_WIDTH, SCREEN_HEIGHT, (x), (y))
#endif
/* TODO/FIXME - static globals */
static uint64_t pad_state[DEFAULT_MAX_PADS];
static int16_t analog_state[DEFAULT_MAX_PADS][2][2];
/* TODO/FIXME - global referenced outside */
extern uint64_t lifecycle_state;
static const char *psp_joypad_name(unsigned pad)
{
#ifdef VITA
if (psp2_model != SCE_KERNEL_MODEL_VITATV)
return "Vita Controller";
switch (curr_ctrl_info.port[pad + 1])
{
case SCE_CTRL_TYPE_DS3:
return "DS3 Controller";
case SCE_CTRL_TYPE_DS4:
return "DS4 Controller";
default:
return "Unpaired";
}
#else
return "PSP Controller";
#endif
}
static bool psp_joypad_init(void *data)
{
unsigned i;
unsigned players_count = DEFAULT_MAX_PADS;
(void)data;
#if defined(VITA)
if (!sceCtrlIsMultiControllerSupported())
psp2_model = SCE_KERNEL_MODEL_VITA;
else if(sceCtrlIsMultiControllerSupported() > 0)
psp2_model = SCE_KERNEL_MODEL_VITATV;
if (psp2_model != SCE_KERNEL_MODEL_VITATV)
players_count = 1;
if (sceKernelGetModelForCDialog() != SCE_KERNEL_MODEL_VITATV)
{
sceTouchSetSamplingState(SCE_TOUCH_PORT_BACK, SCE_TOUCH_SAMPLING_STATE_START);
sceTouchSetSamplingState(SCE_TOUCH_PORT_FRONT, SCE_TOUCH_SAMPLING_STATE_START);
}
sceCtrlGetControllerPortInfo(&curr_ctrl_info);
memcpy(&old_ctrl_info, &curr_ctrl_info, sizeof(SceCtrlPortInfo));
#endif
for (i = 0; i < players_count; i++)
input_autoconfigure_connect(
psp_joypad_name(i),
NULL,
psp_joypad.ident,
i,
0,
0
);
return true;
}
static int16_t psp_joypad_button(unsigned port, uint16_t joykey)
{
if (port >= DEFAULT_MAX_PADS)
return 0;
return pad_state[port] & (UINT64_C(1) << joykey);
}
static void psp_joypad_get_buttons(unsigned port, input_bits_t *state)
{
if (port < DEFAULT_MAX_PADS)
{
BITS_COPY16_PTR( state, pad_state[port] );
}
else
BIT256_CLEAR_ALL_PTR(state);
}
static int16_t psp_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 psp_joypad_axis(unsigned port, uint32_t joyaxis)
{
if (port >= DEFAULT_MAX_PADS)
return 0;
return psp_joypad_axis_state(port, joyaxis);
}
static int16_t psp_joypad_state(
rarch_joypad_info_t *joypad_info,
const struct retro_keybind *binds,
unsigned port)
{
unsigned i;
int16_t ret = 0;
uint16_t port_idx = joypad_info->joy_idx;
if (port_idx >= 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_idx] & (UINT64_C(1) << (uint16_t)joykey))
)
ret |= ( 1 << i);
else if (joyaxis != AXIS_NONE &&
((float)abs(psp_joypad_axis_state(port_idx, joyaxis))
/ 0x8000) > joypad_info->axis_threshold)
ret |= (1 << i);
}
return ret;
}
static void psp_joypad_poll(void)
{
unsigned player;
unsigned players_count = DEFAULT_MAX_PADS;
#if defined(VITA)
settings_t *settings = config_get_ptr();
bool input_backtouch_enable = settings->bools.input_backtouch_enable;
bool input_backtouch_toggle = settings->bools.input_backtouch_toggle;
#endif
#ifdef PSP
sceCtrlSetSamplingCycle(0);
#endif
#ifdef VITA
if (psp2_model != SCE_KERNEL_MODEL_VITATV)
players_count = 1;
else
{
sceCtrlGetControllerPortInfo(&curr_ctrl_info);
for (player = 0; player < players_count; player++)
{
if (old_ctrl_info.port[player + 1] == curr_ctrl_info.port[player + 1])
continue;
if (old_ctrl_info.port[player + 1] != SCE_CTRL_TYPE_UNPAIRED &&
curr_ctrl_info.port[player + 1] == SCE_CTRL_TYPE_UNPAIRED)
{
memset(&actuators[player], 0, sizeof(SceCtrlActuator));
input_autoconfigure_disconnect(player, psp_joypad.ident);
}
if (old_ctrl_info.port[player + 1] == SCE_CTRL_TYPE_UNPAIRED &&
curr_ctrl_info.port[player + 1] != SCE_CTRL_TYPE_UNPAIRED)
input_autoconfigure_connect(
psp_joypad_name(player),
NULL,
psp_joypad.ident,
player,
0,
0
);
}
memcpy(&old_ctrl_info, &curr_ctrl_info, sizeof(SceCtrlPortInfo));
}
#endif
CtrlSetSamplingMode(DEFAULT_SAMPLING_MODE);
BIT64_CLEAR(lifecycle_state, RARCH_MENU_TOGGLE);
for (player = 0; player < players_count; player++)
{
unsigned j, k;
SceCtrlData state_tmp;
unsigned i = player;
#if defined(VITA)
unsigned p = (psp2_model == SCE_KERNEL_MODEL_VITATV) ? player + 1 : player;
if (curr_ctrl_info.port[p] == SCE_CTRL_TYPE_UNPAIRED)
continue;
#elif defined(SN_TARGET_PSP2)
/* Dumb hack, but here's the explanation -
* sceCtrlPeekBufferPositive's port parameter
* can be 0 or 1 to read the first controller on
* a PSTV, but HAS to be 0 for a real VITA and 2
* for the 2nd controller on a PSTV */
unsigned p = (player > 0) ? player+1 : player;
#else
unsigned p = player;
#endif
int32_t ret = CtrlPeekBufferPositive(p, &state_tmp, 1);
pad_state[i] = 0;
analog_state[i][0][0] = analog_state[i][0][1] =
analog_state[i][1][0] = analog_state[i][1][1] = 0;
#if defined(SN_TARGET_PSP2) || defined(VITA)
if (ret < 0)
continue;
#endif
#if defined(VITA)
if (sceKernelGetModelForCDialog() == SCE_KERNEL_MODEL_VITA
&& input_backtouch_enable)
{
unsigned i;
SceTouchData touch_surface = {0};
sceTouchPeek(input_backtouch_toggle
? SCE_TOUCH_PORT_FRONT
: SCE_TOUCH_PORT_BACK,
&touch_surface, 1);
for (i = 0; i < touch_surface.reportNum; i++)
{
int x = LERP(touch_surface.report[i].x, TOUCH_MAX_WIDTH, SCREEN_WIDTH);
int y = LERP(touch_surface.report[i].y, TOUCH_MAX_HEIGHT, SCREEN_HEIGHT);
if (NW_AREA(x, y))
state_tmp.buttons |= PSP_CTRL_L2;
if (NE_AREA(x, y))
state_tmp.buttons |= PSP_CTRL_R2;
if (SW_AREA(x, y))
state_tmp.buttons |= PSP_CTRL_L3;
if (SE_AREA(x, y))
state_tmp.buttons |= PSP_CTRL_R3;
}
}
#endif
#ifdef HAVE_KERNEL_PRX
state_tmp.Buttons = (state_tmp.Buttons & 0x0000FFFF)
| (read_system_buttons() & 0xFFFF0000);
#endif
pad_state[i] |= (STATE_BUTTON(state_tmp) & PSP_CTRL_LEFT) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_LEFT) : 0;
pad_state[i] |= (STATE_BUTTON(state_tmp) & PSP_CTRL_DOWN) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_DOWN) : 0;
pad_state[i] |= (STATE_BUTTON(state_tmp) & PSP_CTRL_RIGHT) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_RIGHT) : 0;
pad_state[i] |= (STATE_BUTTON(state_tmp) & PSP_CTRL_UP) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_UP) : 0;
pad_state[i] |= (STATE_BUTTON(state_tmp) & PSP_CTRL_START) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_START) : 0;
pad_state[i] |= (STATE_BUTTON(state_tmp) & PSP_CTRL_SELECT) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_SELECT) : 0;
pad_state[i] |= (STATE_BUTTON(state_tmp) & PSP_CTRL_TRIANGLE) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_X) : 0;
pad_state[i] |= (STATE_BUTTON(state_tmp) & PSP_CTRL_SQUARE) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_Y) : 0;
pad_state[i] |= (STATE_BUTTON(state_tmp) & PSP_CTRL_CROSS) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_B) : 0;
pad_state[i] |= (STATE_BUTTON(state_tmp) & PSP_CTRL_CIRCLE) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_A) : 0;
pad_state[i] |= (STATE_BUTTON(state_tmp) & PSP_CTRL_R) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_R) : 0;
pad_state[i] |= (STATE_BUTTON(state_tmp) & PSP_CTRL_L) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_L) : 0;
#if defined(VITA)
pad_state[i] |= (STATE_BUTTON(state_tmp) & PSP_CTRL_R2) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_R2) : 0;
pad_state[i] |= (STATE_BUTTON(state_tmp) & PSP_CTRL_L2) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_L2) : 0;
pad_state[i] |= (STATE_BUTTON(state_tmp) & PSP_CTRL_R3) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_R3) : 0;
pad_state[i] |= (STATE_BUTTON(state_tmp) & PSP_CTRL_L3) ? (UINT64_C(1) << RETRO_DEVICE_ID_JOYPAD_L3) : 0;
#endif
analog_state[i][RETRO_DEVICE_INDEX_ANALOG_LEFT] [RETRO_DEVICE_ID_ANALOG_X] = (int16_t)(STATE_ANALOGLX(state_tmp)-128) * 256;
analog_state[i][RETRO_DEVICE_INDEX_ANALOG_LEFT] [RETRO_DEVICE_ID_ANALOG_Y] = (int16_t)(STATE_ANALOGLY(state_tmp)-128) * 256;
#if defined(SN_TARGET_PSP2) || defined(VITA)
analog_state[i][RETRO_DEVICE_INDEX_ANALOG_RIGHT][RETRO_DEVICE_ID_ANALOG_X] = (int16_t)(STATE_ANALOGRX(state_tmp)-128) * 256;
analog_state[i][RETRO_DEVICE_INDEX_ANALOG_RIGHT][RETRO_DEVICE_ID_ANALOG_Y] = (int16_t)(STATE_ANALOGRY(state_tmp)-128) * 256;
#endif
#ifdef HAVE_KERNEL_PRX
if (STATE_BUTTON(state_tmp) & PSP_CTRL_NOTE)
BIT64_SET(lifecycle_state, RARCH_MENU_TOGGLE);
#endif
for (j = 0; j < 2; j++)
for (k = 0; k < 2; k++)
if (analog_state[i][j][k] == -0x8000)
analog_state[i][j][k] = -0x7fff;
}
}
static bool psp_joypad_query_pad(unsigned pad)
{
return pad < DEFAULT_MAX_PADS && pad_state[pad];
}
static bool psp_joypad_rumble(unsigned pad,
enum retro_rumble_effect effect, uint16_t strength)
{
#ifdef VITA
if (psp2_model != SCE_KERNEL_MODEL_VITATV)
return false;
switch (effect)
{
case RETRO_RUMBLE_WEAK:
switch (curr_ctrl_info.port[pad + 1])
{
case SCE_CTRL_TYPE_DS3:
actuators[pad].small = strength > 1 ? 1 : 0;
break;
case SCE_CTRL_TYPE_DS4:
actuators[pad].small = LERP(strength, 0xffff, 0xff);
break;
default:
actuators[pad].small = 0;
}
break;
case RETRO_RUMBLE_STRONG:
switch (curr_ctrl_info.port[pad + 1])
{
case SCE_CTRL_TYPE_DS3:
actuators[pad].large = strength > 1 ? LERP(strength, 0xffff, 0xbf) + 0x40 : 0;
break;
case SCE_CTRL_TYPE_DS4:
actuators[pad].large = LERP(strength, 0xffff, 0xff);
break;
default:
actuators[pad].large = 0;
}
break;
case RETRO_RUMBLE_DUMMY:
default:
break;
}
sceCtrlSetActuator(pad + 1, &actuators[pad]);
return true;
#else
return false;
#endif
}
static void psp_joypad_destroy(void)
{
}
input_device_driver_t psp_joypad = {
psp_joypad_init,
psp_joypad_query_pad,
psp_joypad_destroy,
psp_joypad_button,
psp_joypad_state,
psp_joypad_get_buttons,
psp_joypad_axis,
psp_joypad_poll,
psp_joypad_rumble,
psp_joypad_name,
#ifdef VITA
"vita",
#else
"psp",
#endif
};
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