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gpsp/input.c

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/* gameplaySP
*
* Copyright (C) 2006 Exophase <exophase@gmail.com>
*
* This program 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 Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "common.h"
// Special thanks to psp298 for the analog->dpad code!
void trigger_key(u32 key)
{
u32 p1_cnt = io_registers[REG_P1CNT];
if((p1_cnt >> 14) & 0x01)
{
u32 key_intersection = (p1_cnt & key) & 0x3FF;
if(p1_cnt >> 15)
{
if(key_intersection == (p1_cnt & 0x3FF))
raise_interrupt(IRQ_KEYPAD);
}
else
{
if(key_intersection)
raise_interrupt(IRQ_KEYPAD);
}
}
}
u32 key = 0;
u32 global_enable_analog = 1;
u32 analog_sensitivity_level = 4;
typedef enum
{
BUTTON_NOT_HELD,
BUTTON_HELD_INITIAL,
BUTTON_HELD_REPEAT
} button_repeat_state_type;
// These define autorepeat values (in microseconds), tweak as necessary.
#define BUTTON_REPEAT_START 200000
#define BUTTON_REPEAT_CONTINUE 50000
button_repeat_state_type button_repeat_state = BUTTON_NOT_HELD;
u32 button_repeat = 0;
gui_action_type cursor_repeat = CURSOR_NONE;
#ifdef PSP_BUILD
u32 gamepad_config_map[16] =
{
BUTTON_ID_MENU, // Triangle
BUTTON_ID_A, // Circle
BUTTON_ID_B, // Cross
BUTTON_ID_START, // Square
BUTTON_ID_L, // Ltrigger
BUTTON_ID_R, // Rtrigger
BUTTON_ID_DOWN, // Down
BUTTON_ID_LEFT, // Left
BUTTON_ID_UP, // Up
BUTTON_ID_RIGHT, // Right
BUTTON_ID_SELECT, // Select
BUTTON_ID_START, // Start
BUTTON_ID_UP, // Analog up
BUTTON_ID_DOWN, // Analog down
BUTTON_ID_LEFT, // Analog left
BUTTON_ID_RIGHT // Analog right
};
#define PSP_ALL_BUTTON_MASK 0xFFFF
gui_action_type get_gui_input()
{
SceCtrlData ctrl_data;
gui_action_type new_button = CURSOR_NONE;
u32 new_buttons;
static u32 last_buttons = 0;
static u64 button_repeat_timestamp;
delay_us(25000);
sceCtrlPeekBufferPositive(&ctrl_data, 1);
ctrl_data.Buttons &= PSP_ALL_BUTTON_MASK;
new_buttons = (last_buttons ^ ctrl_data.Buttons) & ctrl_data.Buttons;
last_buttons = ctrl_data.Buttons;
if(new_buttons & PSP_CTRL_LEFT)
new_button = CURSOR_LEFT;
if(new_buttons & PSP_CTRL_RIGHT)
new_button = CURSOR_RIGHT;
if(new_buttons & PSP_CTRL_UP)
new_button = CURSOR_UP;
if(new_buttons & PSP_CTRL_DOWN)
new_button = CURSOR_DOWN;
if(new_buttons & PSP_CTRL_START)
new_button = CURSOR_SELECT;
if(new_buttons & PSP_CTRL_CIRCLE)
new_button = CURSOR_SELECT;
if(new_buttons & PSP_CTRL_CROSS)
new_button = CURSOR_EXIT;
if(new_buttons & PSP_CTRL_SQUARE)
new_button = CURSOR_BACK;
if(new_button != CURSOR_NONE)
{
get_ticks_us(&button_repeat_timestamp);
button_repeat_state = BUTTON_HELD_INITIAL;
button_repeat = new_buttons;
cursor_repeat = new_button;
}
else
{
if(ctrl_data.Buttons & button_repeat)
{
u64 new_ticks;
get_ticks_us(&new_ticks);
if(button_repeat_state == BUTTON_HELD_INITIAL)
{
if((new_ticks - button_repeat_timestamp) >
BUTTON_REPEAT_START)
{
new_button = cursor_repeat;
button_repeat_timestamp = new_ticks;
button_repeat_state = BUTTON_HELD_REPEAT;
}
}
if(button_repeat_state == BUTTON_HELD_REPEAT)
{
if((new_ticks - button_repeat_timestamp) >
BUTTON_REPEAT_CONTINUE)
{
new_button = cursor_repeat;
button_repeat_timestamp = new_ticks;
}
}
}
}
return new_button;
}
#define PSP_CTRL_ANALOG_UP (1 << 28)
#define PSP_CTRL_ANALOG_DOWN (1 << 29)
#define PSP_CTRL_ANALOG_LEFT (1 << 30)
#define PSP_CTRL_ANALOG_RIGHT (1 << 31)
u32 button_psp_mask_to_config[] =
{
PSP_CTRL_TRIANGLE,
PSP_CTRL_CIRCLE,
PSP_CTRL_CROSS,
PSP_CTRL_SQUARE,
PSP_CTRL_LTRIGGER,
PSP_CTRL_RTRIGGER,
PSP_CTRL_DOWN,
PSP_CTRL_LEFT,
PSP_CTRL_UP,
PSP_CTRL_RIGHT,
PSP_CTRL_SELECT,
PSP_CTRL_START,
PSP_CTRL_ANALOG_UP,
PSP_CTRL_ANALOG_DOWN,
PSP_CTRL_ANALOG_LEFT,
PSP_CTRL_ANALOG_RIGHT
};
u32 button_id_to_gba_mask[] =
{
BUTTON_UP,
BUTTON_DOWN,
BUTTON_LEFT,
BUTTON_RIGHT,
BUTTON_A,
BUTTON_B,
BUTTON_L,
BUTTON_R,
BUTTON_START,
BUTTON_SELECT,
BUTTON_NONE,
BUTTON_NONE,
BUTTON_NONE,
BUTTON_NONE
};
gui_action_type get_gui_input_fs_hold(u32 button_id)
{
gui_action_type new_button = get_gui_input();
if((last_buttons & button_psp_mask_to_config[button_id]) == 0)
return CURSOR_BACK;
return new_button;
}
u32 rapidfire_flag = 1;
u32 update_input()
{
SceCtrlData ctrl_data;
u32 buttons;
u32 non_repeat_buttons;
u32 button_id;
u32 i;
u32 new_key = 0;
u32 analog_sensitivity = 92 - (analog_sensitivity_level * 4);
u32 inv_analog_sensitivity = 256 - analog_sensitivity;
sceCtrlPeekBufferPositive(&ctrl_data, 1);
buttons = ctrl_data.Buttons;
if(global_enable_analog)
{
if(ctrl_data.Lx < analog_sensitivity)
buttons |= PSP_CTRL_ANALOG_LEFT;
if(ctrl_data.Lx > inv_analog_sensitivity)
buttons |= PSP_CTRL_ANALOG_RIGHT;
if(ctrl_data.Ly < analog_sensitivity)
buttons |= PSP_CTRL_ANALOG_UP;
if(ctrl_data.Ly > inv_analog_sensitivity)
buttons |= PSP_CTRL_ANALOG_DOWN;
}
non_repeat_buttons = (last_buttons ^ buttons) & buttons;
last_buttons = buttons;
for(i = 0; i < 16; i++)
{
if(non_repeat_buttons & button_psp_mask_to_config[i])
button_id = gamepad_config_map[i];
else
button_id = BUTTON_ID_NONE;
switch(button_id)
{
case BUTTON_ID_MENU:
{
u16 *screen_copy = copy_screen();
u32 ret_val = menu(screen_copy);
free(screen_copy);
return ret_val;
}
case BUTTON_ID_LOADSTATE:
{
u8 current_savestate_filename[512];
get_savestate_filename_noshot(savestate_slot,
current_savestate_filename);
load_state(current_savestate_filename);
return 1;
}
case BUTTON_ID_SAVESTATE:
{
u8 current_savestate_filename[512];
u16 *current_screen = copy_screen();
get_savestate_filename_noshot(savestate_slot,
current_savestate_filename);
save_state(current_savestate_filename, current_screen);
free(current_screen);
return 0;
}
case BUTTON_ID_FASTFORWARD:
print_string("FASTFORWARD", 0xFFFF, 0x0000, 0, 50);
synchronize_flag ^= 1;
return 0;
}
if(buttons & button_psp_mask_to_config[i])
{
button_id = gamepad_config_map[i];
if(button_id < BUTTON_ID_MENU)
{
new_key |= button_id_to_gba_mask[button_id];
}
else
if((button_id >= BUTTON_ID_RAPIDFIRE_A) &&
(button_id <= BUTTON_ID_RAPIDFIRE_L))
{
rapidfire_flag ^= 1;
if(rapidfire_flag)
{
new_key |= button_id_to_gba_mask[button_id -
BUTTON_ID_RAPIDFIRE_A + BUTTON_ID_A];
}
else
{
new_key &= ~button_id_to_gba_mask[button_id -
BUTTON_ID_RAPIDFIRE_A + BUTTON_ID_A];
}
}
}
}
if((new_key | key) != key)
trigger_key(new_key);
key = new_key;
io_registers[REG_P1] = (~key) & 0x3FF;
return 0;
}
void init_input()
{
sceCtrlSetSamplingCycle(0);
sceCtrlSetSamplingMode(PSP_CTRL_MODE_ANALOG);
}
#endif
#if defined(PC_BUILD)
u32 key_map(SDLKey key_sym)
{
switch(key_sym)
{
case SDLK_LSHIFT:
return BUTTON_L;
case SDLK_x:
return BUTTON_R;
case SDLK_DOWN:
return BUTTON_DOWN;
case SDLK_UP:
return BUTTON_UP;
case SDLK_LEFT:
return BUTTON_LEFT;
case SDLK_RIGHT:
return BUTTON_RIGHT;
case SDLK_RETURN:
return BUTTON_START;
case SDLK_RSHIFT:
return BUTTON_SELECT;
case SDLK_LCTRL:
return BUTTON_B;
case SDLK_LALT:
return BUTTON_A;
default:
return BUTTON_NONE;
}
}
u32 joy_map(u32 button)
{
switch(button)
{
case 4:
return BUTTON_L;
case 5:
return BUTTON_R;
case 2:
return BUTTON_START;
case 3:
return BUTTON_SELECT;
case 1:
return BUTTON_B;
case 0:
return BUTTON_A;
default:
return BUTTON_NONE;
}
}
gui_action_type get_gui_input()
{
SDL_Event event;
gui_action_type gui_action = CURSOR_NONE;
delay_us(30000);
while(SDL_PollEvent(&event))
{
switch(event.type)
{
case SDL_QUIT:
quit();
case SDL_KEYDOWN:
{
switch(event.key.keysym.sym)
{
case SDLK_ESCAPE:
gui_action = CURSOR_EXIT;
break;
case SDLK_DOWN:
gui_action = CURSOR_DOWN;
break;
case SDLK_UP:
gui_action = CURSOR_UP;
break;
case SDLK_LEFT:
gui_action = CURSOR_LEFT;
break;
case SDLK_RIGHT:
gui_action = CURSOR_RIGHT;
break;
case SDLK_RETURN:
gui_action = CURSOR_SELECT;
break;
case SDLK_BACKSPACE:
gui_action = CURSOR_BACK;
break;
default:
break;
}
}
break;
default:
break;
}
}
return gui_action;
}
u32 update_input()
{
SDL_Event event;
while(SDL_PollEvent(&event))
{
switch(event.type)
{
case SDL_QUIT:
quit();
case SDL_KEYDOWN:
{
if(event.key.keysym.sym == SDLK_ESCAPE)
{
quit();
}
#ifdef PC_BUILD
if(event.key.keysym.sym == SDLK_BACKSPACE)
#else
if(event.key.keysym.sym == SDLK_F10)
#endif
{
u16 *screen_copy = copy_screen();
u32 ret_val = menu(screen_copy);
free(screen_copy);
return ret_val;
}
else
#ifdef PC_BUILD
if(event.key.keysym.sym == SDLK_F1)
{
debug_on();
}
else
if(event.key.keysym.sym == SDLK_F2)
{
FILE *fp = fopen("palette_ram.bin", "wb");
printf("writing palette RAM\n");
fwrite(palette_ram, 1024, 1, fp);
fclose(fp);
printf("writing palette VRAM\n");
fp = fopen("vram.bin", "wb");
fwrite(vram, 1024 * 96, 1, fp);
fclose(fp);
printf("writing palette OAM RAM\n");
fp = fopen("oam_ram.bin", "wb");
fwrite(oam_ram, 1024, 1, fp);
fclose(fp);
printf("writing palette I/O registers\n");
fp = fopen("io_registers.bin", "wb");
fwrite(io_registers, 1024, 1, fp);
fclose(fp);
}
else
if(event.key.keysym.sym == SDLK_F3)
{
dump_translation_cache();
}
else
#endif
if(event.key.keysym.sym == SDLK_F5)
{
char current_savestate_filename[512];
u16 *current_screen = copy_screen();
get_savestate_filename_noshot(savestate_slot,
current_savestate_filename);
save_state(current_savestate_filename, current_screen);
free(current_screen);
}
else
if(event.key.keysym.sym == SDLK_F7)
{
char current_savestate_filename[512];
get_savestate_filename_noshot(savestate_slot,
current_savestate_filename);
load_state(current_savestate_filename);
debug_on();
return 1;
}
else
if(event.key.keysym.sym == SDLK_BACKQUOTE)
{
synchronize_flag ^= 1;
}
else
{
key |= key_map(event.key.keysym.sym);
trigger_key(key);
}
break;
}
case SDL_KEYUP:
{
key &= ~(key_map(event.key.keysym.sym));
break;
}
case SDL_JOYBUTTONDOWN:
{
key |= joy_map(event.jbutton.button);
trigger_key(key);
break;
}
case SDL_JOYBUTTONUP:
{
key &= ~(joy_map(event.jbutton.button));
break;
}
}
}
}
io_registers[REG_P1] = (~key) & 0x3FF;
return 0;
}
void init_input()
{
u32 joystick_count = SDL_NumJoysticks();
if(joystick_count > 0)
{
SDL_JoystickOpen(0);
SDL_JoystickEventState(SDL_ENABLE);
}
}
#endif
#define input_savestate_builder(type) \
void input_##type##_savestate(file_tag_type savestate_file) \
{ \
file_##type##_variable(savestate_file, key); \
} \
input_savestate_builder(read);
input_savestate_builder(write_mem);
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