RetroArch/input/psp_input.c
2014-06-09 18:57:17 +02:00

291 lines
8.2 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2014 - 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 <stdlib.h>
#if defined(SN_TARGET_PSP2)
#include <sceerror.h>
#include <kernel.h>
#include <ctrl.h>
#elif defined(PSP)
#include <pspctrl.h>
#endif
#include "../psp/sdk_defines.h"
#include "../driver.h"
#include "../libretro.h"
#include "../general.h"
#ifdef HAVE_KERNEL_PRX
#include "../psp1/kernel_functions.h"
#endif
#define MAX_PADS 1
enum input_devices
{
DEVICE_PSP = 0,
DEVICE_LAST
};
typedef struct psp_input
{
uint64_t pad_state;
int16_t analog_state[1][2][2];
const rarch_joypad_driver_t *joypad;
} psp_input_t;
static void psp_input_poll(void *data)
{
int32_t ret;
uint64_t *lifecycle_state = (uint64_t*)&g_extern.lifecycle_state;
SceCtrlData state_tmp;
psp_input_t *psp = (psp_input_t*)data;
#ifdef PSP
sceCtrlSetSamplingCycle(0);
#endif
sceCtrlSetSamplingMode(DEFAULT_SAMPLING_MODE);
ret = CtrlPeekBufferPositive(0, &state_tmp, 1);
#ifdef HAVE_KERNEL_PRX
state_tmp.Buttons = (state_tmp.Buttons&0x0000FFFF)|(read_system_buttons()&0xFFFF0000);
#endif
(void)ret;
psp->analog_state[0][0][0] = psp->analog_state[0][0][1] = psp->analog_state[0][1][0] = psp->analog_state[0][1][1] = 0;
psp->pad_state = 0;
psp->pad_state |= (STATE_BUTTON(state_tmp) & PSP_CTRL_LEFT) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_LEFT) : 0;
psp->pad_state |= (STATE_BUTTON(state_tmp) & PSP_CTRL_DOWN) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_DOWN) : 0;
psp->pad_state |= (STATE_BUTTON(state_tmp) & PSP_CTRL_RIGHT) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_RIGHT) : 0;
psp->pad_state |= (STATE_BUTTON(state_tmp) & PSP_CTRL_UP) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_UP) : 0;
psp->pad_state |= (STATE_BUTTON(state_tmp) & PSP_CTRL_START) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_START) : 0;
psp->pad_state |= (STATE_BUTTON(state_tmp) & PSP_CTRL_SELECT) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_SELECT) : 0;
psp->pad_state |= (STATE_BUTTON(state_tmp) & PSP_CTRL_TRIANGLE) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_X) : 0;
psp->pad_state |= (STATE_BUTTON(state_tmp) & PSP_CTRL_SQUARE) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_Y) : 0;
psp->pad_state |= (STATE_BUTTON(state_tmp) & PSP_CTRL_CROSS) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_B) : 0;
psp->pad_state |= (STATE_BUTTON(state_tmp) & PSP_CTRL_CIRCLE) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_A) : 0;
psp->pad_state |= (STATE_BUTTON(state_tmp) & PSP_CTRL_R) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_R) : 0;
psp->pad_state |= (STATE_BUTTON(state_tmp) & PSP_CTRL_L) ? (1ULL << RETRO_DEVICE_ID_JOYPAD_L) : 0;
psp->analog_state[0][RETRO_DEVICE_INDEX_ANALOG_LEFT] [RETRO_DEVICE_ID_ANALOG_X] = (int16_t)(STATE_ANALOGLX(state_tmp)-128) * 256;
psp->analog_state[0][RETRO_DEVICE_INDEX_ANALOG_LEFT] [RETRO_DEVICE_ID_ANALOG_Y] = (int16_t)(STATE_ANALOGLY(state_tmp)-128) * 256;
#ifdef SN_TARGET_PSP2
psp->analog_state[0][RETRO_DEVICE_INDEX_ANALOG_RIGHT][RETRO_DEVICE_ID_ANALOG_X] = (int16_t)(STATE_ANALOGRX(state_tmp)-128) * 256;
psp->analog_state[0][RETRO_DEVICE_INDEX_ANALOG_RIGHT][RETRO_DEVICE_ID_ANALOG_Y] = (int16_t)(STATE_ANALOGRY(state_tmp)-128) * 256;
#endif
for (int i = 0; i < 2; i++)
for (int j = 0; j < 2; j++)
if (psp->analog_state[0][i][j] == -0x8000)
psp->analog_state[0][i][j] = -0x7fff;
*lifecycle_state &= ~((1ULL << RARCH_MENU_TOGGLE));
#ifdef HAVE_KERNEL_PRX
if (STATE_BUTTON(state_tmp) & PSP_CTRL_NOTE)
#else
if (
(psp->pad_state & (1ULL << RETRO_DEVICE_ID_JOYPAD_L))
&& (psp->pad_state & (1ULL << RETRO_DEVICE_ID_JOYPAD_R))
&& (psp->pad_state & (1ULL << RETRO_DEVICE_ID_JOYPAD_SELECT))
&& (psp->pad_state & (1ULL << RETRO_DEVICE_ID_JOYPAD_START))
)
#endif
*lifecycle_state |= (1ULL << RARCH_MENU_TOGGLE);
}
static int16_t psp_input_state(void *data, const struct retro_keybind **binds,
unsigned port, unsigned device,
unsigned index, unsigned id)
{
psp_input_t *psp = (psp_input_t*)data;
if (port > 0)
return 0;
switch (device)
{
case RETRO_DEVICE_JOYPAD:
return input_joypad_pressed(psp->joypad, port, binds[port], id);
case RETRO_DEVICE_ANALOG:
return input_joypad_analog(psp->joypad, port, index, id, binds[port]);
}
return 0;
}
static void psp_input_free_input(void *data)
{
psp_input_t *psp = (psp_input_t*)data;
if (psp->joypad)
psp->joypad->destroy();
free(data);
}
static void* psp_input_initialize(void)
{
psp_input_t *psp = (psp_input_t*)calloc(1, sizeof(*psp));
if (!psp)
return NULL;
psp->joypad = input_joypad_init_driver(g_settings.input.joypad_driver);
return psp;
}
static bool psp_input_key_pressed(void *data, int key)
{
psp_input_t *psp = (psp_input_t*)data;
return (g_extern.lifecycle_state & (1ULL << key)) || input_joypad_pressed(psp->joypad, 0, g_settings.input.binds[0], key);
}
static uint64_t psp_input_get_capabilities(void *data)
{
uint64_t caps = 0;
caps |= (1 << RETRO_DEVICE_JOYPAD);
caps |= (1 << RETRO_DEVICE_ANALOG);
return caps;
}
static const rarch_joypad_driver_t *psp_input_get_joypad_driver(void *data)
{
psp_input_t *psp = (psp_input_t*)data;
return psp->joypad;
}
static unsigned psp_input_devices_size(void *data)
{
return DEVICE_LAST;
}
const input_driver_t input_psp = {
psp_input_initialize,
psp_input_poll,
psp_input_state,
psp_input_key_pressed,
psp_input_free_input,
NULL,
NULL,
NULL,
psp_input_get_capabilities,
psp_input_devices_size,
"psp",
NULL,
NULL,
psp_input_get_joypad_driver,
};
static const char *psp_joypad_name(unsigned pad)
{
return "PSP Controller";
}
static bool psp_joypad_init(void)
{
unsigned autoconf_pad;
for (autoconf_pad = 0; autoconf_pad < MAX_PADS; autoconf_pad++)
{
strlcpy(g_settings.input.device_names[autoconf_pad], psp_joypad_name(autoconf_pad), sizeof(g_settings.input.device_names[autoconf_pad]));
input_config_autoconfigure_joypad(autoconf_pad, psp_joypad_name(autoconf_pad), psp_joypad.ident);
}
return true;
}
static bool psp_joypad_button(unsigned port_num, uint16_t joykey)
{
psp_input_t *psp = (psp_input_t*)driver.input_data;
if (port_num >= MAX_PADS)
return false;
return (psp->pad_state & (1ULL << joykey));
}
static int16_t psp_joypad_axis(unsigned port_num, uint32_t joyaxis)
{
psp_input_t *psp = (psp_input_t*)driver.input_data;
if (joyaxis == AXIS_NONE || port_num >= MAX_PADS)
return 0;
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;
}
switch (axis)
{
case 0: val = psp->analog_state[port_num][0][0]; break;
case 1: val = psp->analog_state[port_num][0][1]; break;
case 2: val = psp->analog_state[port_num][1][0]; break;
case 3: val = psp->analog_state[port_num][1][1]; break;
}
if (is_neg && val > 0)
val = 0;
else if (is_pos && val < 0)
val = 0;
return val;
}
static void psp_joypad_poll(void)
{
}
static bool psp_joypad_query_pad(unsigned pad)
{
psp_input_t *psp = (psp_input_t*)driver.input_data;
return pad < MAX_PLAYERS && psp->pad_state;
}
static void psp_joypad_destroy(void)
{
}
const rarch_joypad_driver_t psp_joypad = {
psp_joypad_init,
psp_joypad_query_pad,
psp_joypad_destroy,
psp_joypad_button,
psp_joypad_axis,
psp_joypad_poll,
NULL,
psp_joypad_name,
"psp",
};