Files
Cesarus85--mjolnir-vr/source/input/input_abstraction.c
T

612 lines
20 KiB
C

/*
INPUT_ABSTRACTION.C
symbols in this file:
000BDA30 0020:
_input_abstraction_dispose (0000)
000BDA50 0010:
_input_abstraction_reset_controller_detection_timer (0000)
000BDA60 0080:
_input_abstraction_get_local_player_preferences (0000)
000BDAE0 00b0:
_input_abstraction_update_local_player_preferences (0000)
000BDB90 0050:
_input_abstraction_get_input_state (0000)
000BDBE0 0080:
_input_abstraction_update_device_changes (0000)
000BDC60 00e0:
_code_000bdc60 (0000)
000BDD40 0050:
_code_000bdd40 (0000)
000BDD90 00a0:
_input_abstraction_initialize (0000)
000BDE30 0950:
_input_abstraction_update (0000)
0026F3A0 0014:
_rdata_0026f3a0 (0000)
0026F3B4 000c:
??_C@_0M@OAMDCHEH@preferences?$AA@ (0000)
0026F3C0 0041:
??_C@_0EB@NBKADHOE@?$CIlocal_player_index?$DO?$DN0?$CJ?5?$CG?$CG?5?$CIloca@ (0000)
0026F404 0029:
??_C@_0CJ@KPJFDJEG@c?3?2halo?2SOURCE?2input?2input_abstr@ (0000)
0026F430 0041:
??_C@_0EB@LOCNLGGH@invalid?5controller?5preferences?$DL?5@ (0000)
0026F474 003d:
??_C@_0DN@PDKODJDH@?$CIcontroller_index?$DO?$DN0?$CJ?5?$CG?$CG?5?$CIcontro@ (0000)
0026F4B4 0039:
??_C@_0DJ@DKGJGJAM@stopping?5bink?5playback?5to?5due?5to@ (0000)
0026F4F0 004c:
??_C@_0EM@DKLJMFDI@?$CIcontroller_index?$DO?$DN0?$CJ?5?$CG?$CG?5?$CIcontro@ (0000)
0026F53C 0018:
??_C@_0BI@DEJBIOHJ@unknown?5joystick?5preset?$AA@ (0000)
0026F558 0008:
__real@3fc6571840000000 (0000)
0026F560 0008:
__real@3ffa313e30a3879f (0000)
0026F568 0008:
__real@3fe38c3550000000 (0000)
004535C0 00e0:
_input_abstraction_globals (0000)
*/
/* ---------- headers */
#include "cseries/cseries.h"
#include "bink/bink_playback.h"
#include "cseries/errors.h"
#include "cseries/cseries_windows.h"
#include "game/game_globals.h"
#include "game/player_control.h"
#include "game/players.h"
#include "input/input.h"
#include "input/input_abstraction.h"
#include "interface/player_ui.h"
#include "interface/ui_widget.h"
#include "interface/virtual_keyboard.h"
#include "math/real_math.h"
#include "networking/network_game_globals.h"
#include "scenario/scenario.h"
#include "units/vehicle_definitions.h"
#include "units/vehicles.h"
/* ---------- constants */
enum
{
_game_control_jump,
_game_control_switch_grenades,
_game_control_action,
_game_control_switch_weapons,
_game_control_melee,
_game_control_flashlight,
_game_control_grenade,
_game_control_primary_trigger,
_game_control_start,
_game_control_back,
_game_control_crouch,
_game_control_zoom,
NUMBER_OF_GAME_CONTROLS,
};
enum
{
_joystick_controls_default,
_joystick_controls_southpaw,
_joystick_controls_legacy,
_joystick_controls_legacy_southpaw,
NUMBER_OF_JOYSTICK_CONTROLS,
};
enum
{
_vehicle_type_human_plane = 3,
_vehicle_type_alien_fighter = 5,
};
enum
{
_error_controller_unplugged_start_to_continue = 12,
_error_controller_unplugged = 13,
};
/* January promotes the rounded 45- and 10-degree single-precision constants
* before subtracting them; the 35-degree window and its reciprocal are double. */
#define STICK_DIAGONAL_ANGLE 0.7853981852531433f
#define STICK_SECOND_QUADRANT_DIAGONAL_ANGLE 2.356194496154785f
#define RIGHT_STICK_DIAGONAL_SNAP_ANGLE ((double)0.1745329201221466f)
#define LEFT_STICK_DIAGONAL_SNAP_ANGLE ((double)STICK_DIAGONAL_ANGLE - RIGHT_STICK_DIAGONAL_SNAP_ANGLE)
#define STICK_DIAGONAL_BLEND_SCALE (1.0 / LEFT_STICK_DIAGONAL_SNAP_ANGLE)
/* ---------- macros */
/* ---------- structures */
struct game_input_state
{
byte buttons[NUMBER_OF_GAME_CONTROLS];
real forward_movement;
real strafe;
real yaw;
real pitch;
};
/* Vehicle tags remain opaque in the shared header. This authenticated prefix
* is sufficient for the aircraft-type check; it is not a complete tag layout. */
struct vehicle_definition
{
struct unit_definition unit;
unsigned long flags;
short vehicle_type;
};
typedef char verify_input_vehicle_type_offset[
offsetof(struct vehicle_definition, vehicle_type) == 0x2F4 ? 1 : -1];
struct input_abstraction_runtime_globals
{
struct game_input_preferences player_control_preferences[MAXIMUM_GAMEPADS];
struct game_input_state input_states[MAXIMUM_GAMEPADS];
unsigned long device_enumeration_startup_timer;
boolean controller_available[MAXIMUM_GAMEPADS];
boolean initialized;
unsigned long time_of_first_device_insertion;
};
typedef char verify_game_input_state_size[
sizeof(struct game_input_state) == 0x1C ? 1 : -1];
typedef char verify_input_abstraction_input_states_offset[
offsetof(struct input_abstraction_runtime_globals, input_states) == 0x60 ? 1 : -1];
typedef char verify_input_abstraction_device_timer_offset[
offsetof(struct input_abstraction_runtime_globals, device_enumeration_startup_timer) == 0xD0 ? 1 : -1];
typedef char verify_input_abstraction_controller_available_offset[
offsetof(struct input_abstraction_runtime_globals, controller_available) == 0xD4 ? 1 : -1];
typedef char verify_input_abstraction_initialized_offset[
offsetof(struct input_abstraction_runtime_globals, initialized) == 0xD8 ? 1 : -1];
typedef char verify_input_abstraction_first_insertion_offset[
offsetof(struct input_abstraction_runtime_globals, time_of_first_device_insertion) == 0xDC ? 1 : -1];
typedef char verify_input_abstraction_runtime_globals_size[
sizeof(struct input_abstraction_runtime_globals) == 0xE0 ? 1 : -1];
/* ---------- prototypes */
static void set_default_game_input_preferences(
struct game_input_preferences *preferences);
static boolean local_player_is_piloting_aircraft(
short controller_index);
/* ---------- globals */
struct input_abstraction_runtime_globals input_abstraction_globals = {0};
static real const stick_direction_angles[] =
{
STICK_DIAGONAL_ANGLE,
STICK_SECOND_QUADRANT_DIAGONAL_ANGLE,
-STICK_DIAGONAL_ANGLE,
-STICK_SECOND_QUADRANT_DIAGONAL_ANGLE,
};
/* ---------- public code */
void input_abstraction_initialize(
void)
{
long controller_index;
csmemset(
&input_abstraction_globals,
0,
offsetof(struct input_abstraction_runtime_globals, time_of_first_device_insertion));
for (controller_index = 0; controller_index < MAXIMUM_GAMEPADS; controller_index++)
{
set_default_game_input_preferences(
&input_abstraction_globals.player_control_preferences[controller_index]);
input_abstraction_globals.controller_available[controller_index] =
input_has_gamepad((short)controller_index);
}
input_abstraction_reset_controller_detection_timer();
input_abstraction_globals.initialized = TRUE;
return;
}
void input_abstraction_dispose(
void)
{
csmemset(
&input_abstraction_globals,
0,
offsetof(struct input_abstraction_runtime_globals, time_of_first_device_insertion));
return;
}
void input_abstraction_reset_controller_detection_timer(
void)
{
input_abstraction_globals.device_enumeration_startup_timer = system_milliseconds();
return;
}
void input_abstraction_get_local_player_preferences(
short local_player_index,
struct game_input_preferences *preferences)
{
match_assert(
"c:\\halo\\SOURCE\\input\\input_abstraction.c",
495,
(local_player_index>=0) && (local_player_index<MAXIMUM_GAMEPADS));
match_assert(
"c:\\halo\\SOURCE\\input\\input_abstraction.c",
496,
preferences);
csmemcpy(
preferences,
&input_abstraction_globals.player_control_preferences[local_player_index],
sizeof(*preferences));
return;
}
void input_abstraction_update_local_player_preferences(
short controller_index,
struct game_input_preferences const *preferences)
{
match_assert(
"c:\\halo\\SOURCE\\input\\input_abstraction.c",
507,
(controller_index>=0) && (controller_index<MAXIMUM_GAMEPADS));
match_assert(
"c:\\halo\\SOURCE\\input\\input_abstraction.c",
508,
preferences);
match_vassert(
"c:\\halo\\SOURCE\\input\\input_abstraction.c",
511,
preferences->game_control_to_xbox_buttons[8] == _gamepad_binary_button_start &&
preferences->game_control_to_xbox_buttons[9] == _gamepad_binary_button_back,
"invalid controller preferences; can't remap start & back buttons");
csmemcpy(
&input_abstraction_globals.player_control_preferences[controller_index],
preferences,
sizeof(*preferences));
return;
}
struct game_input_state *input_abstraction_get_input_state(
short local_player_index)
{
match_assert(
"c:\\halo\\SOURCE\\input\\input_abstraction.c",
521,
(local_player_index>=0) && (local_player_index<MAXIMUM_GAMEPADS));
return &input_abstraction_globals.input_states[local_player_index];
}
void input_abstraction_update_device_changes(
unsigned long device_change_flags)
{
if (input_abstraction_globals.initialized)
{
if (device_change_flags &&
(system_milliseconds() - input_abstraction_globals.device_enumeration_startup_timer >= 2000 ||
(input_abstraction_globals.time_of_first_device_insertion &&
system_milliseconds() - input_abstraction_globals.time_of_first_device_insertion >= 2000)))
{
error(
_error_silent,
"stopping bink playback to due to change in input devices");
bink_playback_stop();
}
if ((device_change_flags & 0xFFF000) &&
!input_abstraction_globals.time_of_first_device_insertion)
{
input_abstraction_globals.time_of_first_device_insertion = system_milliseconds();
}
}
return;
}
void input_abstraction_update(
void)
{
long controller_index;
TAG_BLOCK_GET_ELEMENT(
&scenario_get_game_globals()->player_control,
0,
struct game_globals_player_control);
for (controller_index = 0; controller_index < MAXIMUM_GAMEPADS; controller_index++)
{
struct gamepad_state const *gamepad = input_get_gamepad_state((short)controller_index);
if (gamepad)
{
struct game_input_preferences const *preferences =
&input_abstraction_globals.player_control_preferences[controller_index];
struct game_input_state *state = &input_abstraction_globals.input_states[controller_index];
real left_angle;
real right_angle;
real left_x;
real left_y;
real right_x;
real right_y;
real left_scale;
real right_scale;
long control_index;
boolean invert_look;
player_look_yaw_rate[controller_index] = preferences->yaw_rate;
player_look_pitch_rate[controller_index] = preferences->pitch_rate;
left_angle = (real)atan2(
(real)gamepad->sticks[_gamepad_stick_left].y,
(real)gamepad->sticks[_gamepad_stick_left].x);
left_scale = (real)(1.0 / MAX(fabs((real)sin(left_angle)), fabs((real)cos(left_angle))));
left_x = PIN((real)gamepad->sticks[_gamepad_stick_left].x * (1.f / SHORT_MAX) * left_scale, -1.f, 1.f);
left_y = PIN((real)gamepad->sticks[_gamepad_stick_left].y * (1.f / SHORT_MAX) * left_scale, -1.f, 1.f);
right_angle = (real)atan2(
(real)gamepad->sticks[_gamepad_stick_right].y,
(real)gamepad->sticks[_gamepad_stick_right].x);
right_scale = (real)(1.0 / MAX(fabs((real)sin(right_angle)), fabs((real)cos(right_angle))));
right_x = PIN((real)gamepad->sticks[_gamepad_stick_right].x * (1.f / SHORT_MAX) * right_scale, -1.f, 1.f);
right_y = PIN((real)gamepad->sticks[_gamepad_stick_right].y * (1.f / SHORT_MAX) * right_scale, -1.f, 1.f);
for (control_index = 0; control_index < NUMBER_OF_GAME_CONTROLS; control_index++)
{
state->buttons[control_index] =
gamepad->buttons[preferences->game_control_to_xbox_buttons[control_index]];
}
if (preferences->joystick_controls == _joystick_controls_legacy ||
preferences->joystick_controls == _joystick_controls_legacy_southpaw)
{
short left_quadrant = (left_x < 0.f ? 1 : 0) + (left_y < 0.f ? 2 : 0);
short right_quadrant = (right_x < 0.f ? 1 : 0) + (right_y < 0.f ? 2 : 0);
real left_magnitude = (real)sqrt(left_x * left_x + left_y * left_y);
real right_magnitude = (real)sqrt(right_x * right_x + right_y * right_y);
real left_diagonal_distance = (real)fabs(left_angle - stick_direction_angles[left_quadrant]);
real right_diagonal_distance;
if (left_diagonal_distance >= LEFT_STICK_DIAGONAL_SNAP_ANGLE)
{
if (fabs(left_x) > fabs(left_y))
{
left_y = 0.f;
left_x = (left_x < 0.f ? -1 : 1) * left_magnitude;
}
else
{
left_x = 0.f;
left_y = (left_y < 0.f ? -1 : 1) * left_magnitude;
}
}
else if (fabs(left_angle) < STICK_DIAGONAL_ANGLE ||
fabs(left_angle) > STICK_SECOND_QUADRANT_DIAGONAL_ANGLE)
{
left_x = (left_x < 0.f ? -1 : 1) * left_magnitude;
left_y = (left_y < 0.f ? -1 : 1) * left_magnitude *
(1.0 - left_diagonal_distance * STICK_DIAGONAL_BLEND_SCALE);
}
else
{
left_y = (left_y < 0.f ? -1 : 1) * left_magnitude;
left_x = (left_x < 0.f ? -1 : 1) * left_magnitude *
(1.0 - left_diagonal_distance * STICK_DIAGONAL_BLEND_SCALE);
}
right_diagonal_distance = (real)fabs(right_angle - stick_direction_angles[right_quadrant]);
if (right_diagonal_distance >= RIGHT_STICK_DIAGONAL_SNAP_ANGLE)
{
if (fabs(right_x) > fabs(right_y))
{
right_y = 0.f;
right_x = (right_x < 0.f ? -1 : 1) * right_magnitude;
}
else
{
right_x = 0.f;
right_y = (right_y < 0.f ? -1 : 1) * right_magnitude;
}
}
else if (fabs(right_angle) < STICK_DIAGONAL_ANGLE ||
fabs(right_angle) > STICK_SECOND_QUADRANT_DIAGONAL_ANGLE)
{
right_x = (right_x < 0.f ? -1 : 1) * right_magnitude;
right_y = (right_y < 0.f ? -1 : 1) * right_magnitude *
(1.0 - right_diagonal_distance * STICK_DIAGONAL_BLEND_SCALE);
}
else
{
right_y = (right_y < 0.f ? -1 : 1) * right_magnitude;
right_x = (right_x < 0.f ? -1 : 1) * right_magnitude *
(1.0 - right_diagonal_distance * STICK_DIAGONAL_BLEND_SCALE);
}
}
invert_look = preferences->invert_look;
if (!invert_look && preferences->invert_look_aircraft_control)
{
invert_look = local_player_is_piloting_aircraft((short)controller_index);
}
switch (preferences->joystick_controls)
{
case _joystick_controls_default:
state->strafe = gamepad->buttons[_gamepad_binary_button_dpad_left] ? 1.f :
gamepad->buttons[_gamepad_binary_button_dpad_right] ? -1.f : -left_x;
state->forward_movement = gamepad->buttons[_gamepad_binary_button_dpad_up] ? 1.f :
gamepad->buttons[_gamepad_binary_button_dpad_down] ? -1.f : left_y;
state->yaw = -right_x;
state->pitch = (invert_look ? -1.f : 1.f) * right_y;
break;
case _joystick_controls_southpaw:
state->yaw = gamepad->buttons[_gamepad_binary_button_dpad_left] ? 1.f :
gamepad->buttons[_gamepad_binary_button_dpad_right] ? -1.f : -left_x;
state->pitch = (invert_look ? -1.f : 1.f) *
(gamepad->buttons[_gamepad_binary_button_dpad_up] ? 1.f :
gamepad->buttons[_gamepad_binary_button_dpad_down] ? -1.f : left_y);
state->forward_movement = right_y;
state->strafe = -right_x;
break;
case _joystick_controls_legacy:
state->yaw = gamepad->buttons[_gamepad_binary_button_dpad_left] ? 1.f :
gamepad->buttons[_gamepad_binary_button_dpad_right] ? -1.f : -left_x;
state->forward_movement = gamepad->buttons[_gamepad_binary_button_dpad_up] ? 1.f :
gamepad->buttons[_gamepad_binary_button_dpad_down] ? -1.f : left_y;
state->strafe = -right_x;
state->pitch = (invert_look ? -1.f : 1.f) * right_y;
break;
case _joystick_controls_legacy_southpaw:
state->strafe = gamepad->buttons[_gamepad_binary_button_dpad_left] ? 1.f :
gamepad->buttons[_gamepad_binary_button_dpad_right] ? -1.f : -left_x;
state->pitch = (invert_look ? -1.f : 1.f) *
(gamepad->buttons[_gamepad_binary_button_dpad_up] ? 1.f :
gamepad->buttons[_gamepad_binary_button_dpad_down] ? -1.f : left_y);
state->forward_movement = right_y;
state->yaw = -right_x;
break;
default:
error(_error_silent, "unknown joystick preset");
break;
}
input_abstraction_globals.controller_available[controller_index] = TRUE;
}
else
{
if (input_abstraction_globals.controller_available[controller_index])
{
short error_controller = (short)controller_index;
short error_code;
boolean pause_game;
boolean show_error = TRUE;
if (main_menu_is_active())
{
long available_controllers = 0;
long index;
for (index = 0; index < MAXIMUM_GAMEPADS; index++)
{
if (input_abstraction_globals.controller_available[index])
{
available_controllers++;
}
}
pause_game = FALSE;
error_code = _error_controller_unplugged;
if (available_controllers >= 2)
{
show_error =
player_ui_get_single_player_local_player_controller(0) == controller_index ||
player_ui_get_single_player_local_player_controller(1) == controller_index ||
player_ui_get_single_player_local_player_controller(2) == controller_index ||
player_ui_get_single_player_local_player_controller(3) == controller_index ||
player_ui_local_player_wants_to_play_multiplayer((short)controller_index);
}
else if (player_ui_get_single_player_local_player_controller(0) != controller_index &&
player_ui_get_single_player_local_player_controller(1) != controller_index &&
player_ui_get_single_player_local_player_controller(2) != controller_index &&
player_ui_get_single_player_local_player_controller(3) != controller_index &&
!player_ui_local_player_wants_to_play_multiplayer((short)controller_index))
{
error_controller = NONE;
}
}
else
{
pause_game = global_network_game_client_get() == NULL;
error_code = pause_game ? _error_controller_unplugged_start_to_continue :
_error_controller_unplugged;
show_error = local_player_exists((short)controller_index) == TRUE;
}
if (show_error)
{
if (virtual_keyboard_active())
{
virtual_keyboard_close();
}
display_error_deferred(error_code, error_controller, pause_game, pause_game);
}
}
input_abstraction_globals.controller_available[controller_index] = FALSE;
}
}
return;
}
/* ---------- private code */
static boolean local_player_is_piloting_aircraft(
short controller_index)
{
boolean piloting_aircraft = FALSE;
long player_index;
match_assert(
"c:\\halo\\SOURCE\\input\\input_abstraction.c",
569,
(controller_index>=0) && (controller_index<MAXIMUM_NUMBER_OF_LOCAL_PLAYERS));
player_index = local_player_get_player_index(controller_index);
if (player_index != NONE)
{
struct player_datum *player = player_try_and_get(player_index);
if (player)
{
struct unit_datum *unit = unit_try_and_get(player->unit_index);
if (unit && unit->object.parent_object_index != NONE && unit->unit.parent_seat_index != NONE)
{
struct unit_datum *vehicle = vehicle_get(unit->object.parent_object_index);
struct vehicle_definition *definition = vehicle_specific_definition_get(vehicle->definition_index);
if (definition->vehicle_type == _vehicle_type_human_plane ||
definition->vehicle_type == _vehicle_type_alien_fighter)
{
struct unit_seat *seat = TAG_BLOCK_GET_ELEMENT(
&definition->unit.unit.seats,
unit->unit.parent_seat_index,
struct unit_seat);
if (TEST_FLAG(seat->flags, _unit_seat_driver_bit))
{
piloting_aircraft = TRUE;
}
}
}
}
}
return piloting_aircraft;
}
static void set_default_game_input_preferences(
struct game_input_preferences *preferences)
{
preferences->pitch_rate = 60.f;
preferences->yaw_rate = 120.f;
preferences->game_control_to_xbox_buttons[_game_control_jump] = _gamepad_analog_button_a;
preferences->game_control_to_xbox_buttons[_game_control_switch_grenades] = _gamepad_analog_button_black;
preferences->game_control_to_xbox_buttons[_game_control_action] = _gamepad_analog_button_x;
preferences->game_control_to_xbox_buttons[_game_control_switch_weapons] = _gamepad_analog_button_y;
preferences->game_control_to_xbox_buttons[_game_control_melee] = _gamepad_analog_button_b;
preferences->game_control_to_xbox_buttons[_game_control_flashlight] = _gamepad_analog_button_white;
preferences->game_control_to_xbox_buttons[_game_control_grenade] = _gamepad_analog_button_left_trigger;
preferences->game_control_to_xbox_buttons[_game_control_primary_trigger] = _gamepad_analog_button_right_trigger;
preferences->game_control_to_xbox_buttons[_game_control_start] = _gamepad_binary_button_start;
preferences->game_control_to_xbox_buttons[_game_control_back] = _gamepad_binary_button_back;
preferences->game_control_to_xbox_buttons[_game_control_crouch] = _gamepad_binary_button_left_thumb;
preferences->game_control_to_xbox_buttons[_game_control_zoom] = _gamepad_binary_button_right_thumb;
preferences->joystick_controls = _joystick_controls_default;
preferences->invert_look = FALSE;
preferences->invert_look_aircraft_control = FALSE;
return;
}