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cOMS/input/Input.h

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/**
* Jingga
*
* @copyright Jingga
* @license OMS License 2.0
* @version 1.0.0
* @link https://jingga.app
*/
#ifndef TOS_INPUT_H
#define TOS_INPUT_H
// How many concurrent mouse/secondary input device presses to we recognize
#define MAX_MOUSE_PRESSES 3
// How many concurrent primary key/button presses can be handled?
#define MAX_KEY_PRESSES 5
#define MAX_KEY_STATES (2 * MAX_KEY_PRESSES)
// How many keys/buttons do we support for the devices
#define MAX_KEYBOARD_KEYS 255
#define MAX_MOUSE_KEYS 10
#define MAX_CONTROLLER_KEYS 24
#define MIN_INPUT_DEVICES 2
// How often can a key be asigned to a different hotkey
#define MAX_KEY_TO_HOTKEY 5
// How many buttons together are allowed to form a hotkey
#define MAX_HOTKEY_COMBINATION 3
// These values are used as bit flags to hint if a "key" is a keyboard/primary or mouse/secondary input
// When adding a keybind the "key" can only be uint8 but we expand it to an int and set the first bit accordingly
#define INPUT_MOUSE_PREFIX 0
#define INPUT_KEYBOARD_PREFIX 8192
#define INPUT_CONTROLLER_PREFIX 16384
#define INPUT_TYPE_MOUSE_KEYBOARD 0x01
#define INPUT_TYPE_CONTROLLER 0x02
#define INPUT_TYPE_OTHER 0x03
#define MIN_CONTROLLER_DEVICES 4
#include "../stdlib/Types.h"
#include "../utils/BitUtils.h"
#include "ControllerInput.h"
#ifdef _WIN32
#include <windows.h>
#endif
// @todo I'm not sure if I like the general input handling
// Having separate keyboard_down and mouse_down etc. is a little bit weird in the functions below
struct InputMapping {
// A key/button can be bound to up to 5 different hotkeys
// This is used to check if a key/button has a hotkey association
uint8 keys[MAX_MOUSE_KEYS + MAX_KEYBOARD_KEYS + MAX_CONTROLLER_KEYS][MAX_KEY_TO_HOTKEY];
// A hotkey can be bound to a combination of up to 3 key/button presses
uint8 hotkey_count;
// negative hotkeys mean any of them needs to be matched, positive hotkeys means all of them need to be matched
// mixing positive and negative keys for one hotkey is not possible
int16* hotkeys;
};
enum KeyState {
KEY_STATE_PRESSED,
KEY_STATE_HELD,
KEY_STATE_RELEASED,
};
struct InputKey {
// Includes flag for mouse, keyboard, controller
uint16 key_id;
uint16 key_state;
int16 value; // e.g. stick/trigger keys
uint64 time; // when was this action performed (useful to decide if key state is held vs pressed)
};
// @question Maybe we should also add a third key_down array for controllers and some special controller functions here to just handle everything in one struct
// Or think about completely splitting all states (mouse, keyboard, other)
struct InputState {
// State of the hotkeys, resulting from the device input
uint8 state_hotkeys[MAX_KEY_PRESSES];
InputKey state_keys[MAX_KEY_STATES];
int32 dx;
int32 dy;
uint32 x;
uint32 y;
// Secondary coordinate input (usually used by controllers)
int32 dx2;
int32 dy2;
uint32 x2;
uint32 y2;
// Tertiary coordinate input (usually used by controllers)
int32 dx3;
int32 dy3;
uint32 x3;
uint32 y3;
};
struct Input {
// Device
bool is_connected;
#ifdef _WIN32
// @question maybe replace with id?!
// -> remove _WIN32 section?
HANDLE handle_keyboard;
HANDLE handle_mouse;
HANDLE handle_controller;
#endif
bool state_change_button;
bool state_change_mouse;
bool mouse_movement;
InputState state;
uint64 time_last_input_check;
uint32 deadzone = 10;
InputMapping input_mapping1;
InputMapping input_mapping2;
};
inline
void input_clean_state(InputState* state)
{
for (int i = 0; i < MAX_KEY_STATES; ++i) {
if (state->state_keys[i].key_state == KEY_STATE_RELEASED) {
state->state_keys[i].key_id = 0;
}
}
}
inline
bool input_action_exists(const InputState* state, int16 key)
{
return state->state_keys[0].key_id == key
|| state->state_keys[1].key_id == key
|| state->state_keys[2].key_id == key
|| state->state_keys[3].key_id == key
|| state->state_keys[4].key_id == key
|| state->state_keys[4].key_id == key
|| state->state_keys[5].key_id == key
|| state->state_keys[6].key_id == key
|| state->state_keys[7].key_id == key
|| state->state_keys[8].key_id == key
|| state->state_keys[9].key_id == key;
}
inline
bool input_is_down(const InputState* state, int16 key)
{
return (state->state_keys[0].key_id == key && state->state_keys[0].key_state != KEY_STATE_RELEASED)
|| (state->state_keys[1].key_id == key && state->state_keys[1].key_state != KEY_STATE_RELEASED)
|| (state->state_keys[2].key_id == key && state->state_keys[2].key_state != KEY_STATE_RELEASED)
|| (state->state_keys[3].key_id == key && state->state_keys[3].key_state != KEY_STATE_RELEASED)
|| (state->state_keys[4].key_id == key && state->state_keys[4].key_state != KEY_STATE_RELEASED)
|| (state->state_keys[4].key_id == key && state->state_keys[4].key_state != KEY_STATE_RELEASED)
|| (state->state_keys[5].key_id == key && state->state_keys[5].key_state != KEY_STATE_RELEASED)
|| (state->state_keys[6].key_id == key && state->state_keys[6].key_state != KEY_STATE_RELEASED)
|| (state->state_keys[7].key_id == key && state->state_keys[7].key_state != KEY_STATE_RELEASED)
|| (state->state_keys[8].key_id == key && state->state_keys[8].key_state != KEY_STATE_RELEASED)
|| (state->state_keys[9].key_id == key && state->state_keys[9].key_state != KEY_STATE_RELEASED);
}
inline
bool input_is_pressed(const InputState* state, int16 key)
{
return (state->state_keys[0].key_id == key && state->state_keys[0].key_state == KEY_STATE_PRESSED)
|| (state->state_keys[1].key_id == key && state->state_keys[1].key_state == KEY_STATE_PRESSED)
|| (state->state_keys[2].key_id == key && state->state_keys[2].key_state == KEY_STATE_PRESSED)
|| (state->state_keys[3].key_id == key && state->state_keys[3].key_state == KEY_STATE_PRESSED)
|| (state->state_keys[4].key_id == key && state->state_keys[4].key_state == KEY_STATE_PRESSED)
|| (state->state_keys[4].key_id == key && state->state_keys[4].key_state == KEY_STATE_PRESSED)
|| (state->state_keys[5].key_id == key && state->state_keys[5].key_state == KEY_STATE_PRESSED)
|| (state->state_keys[6].key_id == key && state->state_keys[6].key_state == KEY_STATE_PRESSED)
|| (state->state_keys[7].key_id == key && state->state_keys[7].key_state == KEY_STATE_PRESSED)
|| (state->state_keys[8].key_id == key && state->state_keys[8].key_state == KEY_STATE_PRESSED)
|| (state->state_keys[9].key_id == key && state->state_keys[9].key_state == KEY_STATE_PRESSED);
}
inline
bool input_is_held(const InputState* state, int16 key)
{
return (state->state_keys[0].key_id == key && state->state_keys[0].key_state == KEY_STATE_HELD)
|| (state->state_keys[1].key_id == key && state->state_keys[1].key_state == KEY_STATE_HELD)
|| (state->state_keys[2].key_id == key && state->state_keys[2].key_state == KEY_STATE_HELD)
|| (state->state_keys[3].key_id == key && state->state_keys[3].key_state == KEY_STATE_HELD)
|| (state->state_keys[4].key_id == key && state->state_keys[4].key_state == KEY_STATE_HELD)
|| (state->state_keys[4].key_id == key && state->state_keys[4].key_state == KEY_STATE_HELD)
|| (state->state_keys[5].key_id == key && state->state_keys[5].key_state == KEY_STATE_HELD)
|| (state->state_keys[6].key_id == key && state->state_keys[6].key_state == KEY_STATE_HELD)
|| (state->state_keys[7].key_id == key && state->state_keys[7].key_state == KEY_STATE_HELD)
|| (state->state_keys[8].key_id == key && state->state_keys[8].key_state == KEY_STATE_HELD)
|| (state->state_keys[9].key_id == key && state->state_keys[9].key_state == KEY_STATE_HELD);
}
inline
bool input_is_released(const InputState* state, int16 key)
{
return (state->state_keys[0].key_id == key && state->state_keys[0].key_state == KEY_STATE_RELEASED)
|| (state->state_keys[1].key_id == key && state->state_keys[1].key_state == KEY_STATE_RELEASED)
|| (state->state_keys[2].key_id == key && state->state_keys[2].key_state == KEY_STATE_RELEASED)
|| (state->state_keys[3].key_id == key && state->state_keys[3].key_state == KEY_STATE_RELEASED)
|| (state->state_keys[4].key_id == key && state->state_keys[4].key_state == KEY_STATE_RELEASED)
|| (state->state_keys[4].key_id == key && state->state_keys[4].key_state == KEY_STATE_RELEASED)
|| (state->state_keys[5].key_id == key && state->state_keys[5].key_state == KEY_STATE_RELEASED)
|| (state->state_keys[6].key_id == key && state->state_keys[6].key_state == KEY_STATE_RELEASED)
|| (state->state_keys[7].key_id == key && state->state_keys[7].key_state == KEY_STATE_RELEASED)
|| (state->state_keys[8].key_id == key && state->state_keys[8].key_state == KEY_STATE_RELEASED)
|| (state->state_keys[9].key_id == key && state->state_keys[9].key_state == KEY_STATE_RELEASED);
}
inline
bool input_was_down(const InputState* state, int16 key)
{
return (state->state_keys[0].key_id == key && state->state_keys[0].key_state == KEY_STATE_RELEASED)
|| (state->state_keys[1].key_id == key && state->state_keys[1].key_state == KEY_STATE_RELEASED)
|| (state->state_keys[2].key_id == key && state->state_keys[2].key_state == KEY_STATE_RELEASED)
|| (state->state_keys[3].key_id == key && state->state_keys[3].key_state == KEY_STATE_RELEASED)
|| (state->state_keys[4].key_id == key && state->state_keys[4].key_state == KEY_STATE_RELEASED)
|| (state->state_keys[4].key_id == key && state->state_keys[4].key_state == KEY_STATE_RELEASED)
|| (state->state_keys[5].key_id == key && state->state_keys[5].key_state == KEY_STATE_RELEASED)
|| (state->state_keys[6].key_id == key && state->state_keys[6].key_state == KEY_STATE_RELEASED)
|| (state->state_keys[7].key_id == key && state->state_keys[7].key_state == KEY_STATE_RELEASED)
|| (state->state_keys[8].key_id == key && state->state_keys[8].key_state == KEY_STATE_RELEASED)
|| (state->state_keys[9].key_id == key && state->state_keys[9].key_state == KEY_STATE_RELEASED);
}
inline
bool inputs_are_down(
const InputState* state,
int16 key0, int16 key1 = 0, int16 key2 = 0, int16 key3 = 0, int16 key4 = 0
) {
return (key0 != 0 && input_is_down(state, key0))
&& (key1 == 0 || input_is_down(state, key1))
&& (key2 == 0 || input_is_down(state, key2))
&& (key3 == 0 || input_is_down(state, key3))
&& (key4 == 0 || input_is_down(state, key4));
}
// We are binding hotkeys bi-directional
void
input_add_hotkey(
InputMapping* mapping, uint8 hotkey,
int32 key0, int32 key1 = 0, int32 key2 = 0
)
{
int count = 0;
// Define required keys for hotkey
if (key0 != 0) {
// Note: -1 since the hotkeys MUST start at 1 (0 is a special value for empty)
mapping->hotkeys[(hotkey - 1) * MAX_HOTKEY_COMBINATION] = (int16) key0;
++count;
}
if (key1 != 0) {
// Note: -1 since the hotkeys MUST start at 1 (0 is a special value for empty)
mapping->hotkeys[(hotkey - 1) * MAX_HOTKEY_COMBINATION + count] = (int16) key1;
++count;
}
if (key2 != 0) {
// Note: -1 since the hotkeys MUST start at 1 (0 is a special value for empty)
mapping->hotkeys[(hotkey - 1) * MAX_HOTKEY_COMBINATION + count] = (int16) key2;
}
int key0_offset = ((bool) (key0 & INPUT_KEYBOARD_PREFIX)) * MAX_MOUSE_KEYS
+ ((bool) (key0 & INPUT_CONTROLLER_PREFIX)) * (MAX_MOUSE_KEYS + MAX_KEYBOARD_KEYS);
int key1_offset = ((bool) (key1 & INPUT_KEYBOARD_PREFIX)) * MAX_MOUSE_KEYS
+ ((bool) (key1 & INPUT_CONTROLLER_PREFIX)) * (MAX_MOUSE_KEYS + MAX_KEYBOARD_KEYS);
int key2_offset = ((bool) (key2 & INPUT_KEYBOARD_PREFIX)) * MAX_MOUSE_KEYS
+ ((bool) (key2 & INPUT_CONTROLLER_PREFIX)) * (MAX_MOUSE_KEYS + MAX_KEYBOARD_KEYS);
key0 = (key0 & ~(INPUT_KEYBOARD_PREFIX | INPUT_CONTROLLER_PREFIX));
key1 = (key1 & ~(INPUT_KEYBOARD_PREFIX | INPUT_CONTROLLER_PREFIX));
key2 = (key2 & ~(INPUT_KEYBOARD_PREFIX | INPUT_CONTROLLER_PREFIX));
// Bind key to hotkey
for (int i = 0; i < MAX_KEY_TO_HOTKEY; ++i) {
if (key0 == 0 && key1 == 0 && key2 == 0) {
break;
}
if (key0 != 0 && mapping->keys[key0 + key0_offset - 1][i] == 0) {
mapping->keys[key0 + key0_offset - 1][i] = hotkey;
key0 = 0; // prevent adding same key again
}
if (key1 != 0 && mapping->keys[key1 + key1_offset - 1][i] == 0) {
mapping->keys[key1 + key1_offset - 1][i] = hotkey;
key1 = 0; // prevent adding same key again
}
if (key2 != 0 && mapping->keys[key2 + key2_offset - 1][i] == 0) {
mapping->keys[key2 + key2_offset - 1][i] = hotkey;
key2 = 0; // prevent adding same key again
}
}
}
inline
bool hotkey_is_active(const InputState* state, uint8 hotkey)
{
return state->state_hotkeys[0] == hotkey
|| state->state_hotkeys[1] == hotkey
|| state->state_hotkeys[2] == hotkey
|| state->state_hotkeys[3] == hotkey
|| state->state_hotkeys[4] == hotkey;
}
// similar to hotkey_is_active but instead of just performing a lookup in the input_hotkey_state created results
// this is actively checking the current input state (not the hotkey state)
inline
bool hotkey_keys_are_active(const InputState* __restrict state, const InputMapping* __restrict mapping, uint8 hotkey)
{
int16 key0 = mapping->hotkeys[(hotkey - 1) * MAX_HOTKEY_COMBINATION];
int16 key1 = mapping->hotkeys[(hotkey - 1) * MAX_HOTKEY_COMBINATION + 1];
int16 key2 = mapping->hotkeys[(hotkey - 1) * MAX_HOTKEY_COMBINATION + 2];
// This may seem a little bit confusing but we don't care if a input key is down or up
// Any state means it was used recently BUT NOT YET HANDLED
// If it was handled it would've been removed (at least in case of RELEASED)
// Therefore, if a key has a state -> treat it as if active
bool is_active = input_action_exists(state, key0);
if (!is_active || key1 == 0) {
return is_active || input_action_exists(state, -key0);
}
is_active &= input_action_exists(state, key1);
if (!is_active || key2 == 0) {
return is_active || input_action_exists(state, -key1);
}
return (is_active &= input_action_exists(state, key2)) || input_action_exists(state, -key2);
}
inline
void input_set_state(InputState* state, InputKey* __restrict new_key)
{
InputKey* free_state = NULL;
bool action_required = true;
for (int j = 0; j < MAX_KEY_STATES; ++j) {
if (!free_state && state->state_keys[j].key_id == 0) {
free_state = &state->state_keys[j];
} else if (state->state_keys[j].key_id == new_key->key_id) {
state->state_keys[j].key_state = new_key->key_state;
state->state_keys[j].value = new_key->value;
state->state_keys[j].time = new_key->time;
action_required = false;
}
}
if (!action_required || !free_state) {
return;
}
free_state->key_id = new_key->key_id;
free_state->key_state = new_key->key_state;
free_state->value = new_key->value;
free_state->time = new_key->time;
}
// Controllers are a little bit special
// We need to manually check the specific buttons and set their key
// Since some controllers are constantly sending data like mad it's not possible to handle them event based
// We need to poll them and then check the old state against this new state (annoying but necessary)
// Mice are fully supported by RawInput and are fairly generalized in terms of their buttons -> no special function needed
inline
void input_set_controller_state(Input* input, ControllerInput* controller, uint64 time)
{
// Check active keys that might need to be set to inactive
for (int i = 0; i < MAX_KEY_PRESSES; ++i) {
if ((input->state.state_keys[i].key_id & INPUT_CONTROLLER_PREFIX)
&& input->state.state_keys[i].key_state != KEY_STATE_RELEASED
) {
uint32 key_id = input->state.state_keys[i].key_id & ~INPUT_CONTROLLER_PREFIX;
if ((key_id == CONTROLLER_BUTTON_STICK_LEFT_BUTTON && controller->stick_left_button == 0)
|| (key_id == CONTROLLER_BUTTON_STICK_LEFT_HORIZONTAL && OMS_ABS(controller->stick_left_x) < input->deadzone)
|| (key_id == CONTROLLER_BUTTON_STICK_LEFT_VERTOCAL && OMS_ABS(controller->stick_left_y) < input->deadzone)
|| (key_id == CONTROLLER_BUTTON_STICK_RIGHT_BUTTON && controller->stick_right_button == 0)
|| (key_id == CONTROLLER_BUTTON_STICK_RIGHT_HORIZONTAL && OMS_ABS(controller->stick_right_x) < input->deadzone)
|| (key_id == CONTROLLER_BUTTON_STICK_RIGHT_VERTOCAL && OMS_ABS(controller->stick_right_y) < input->deadzone)
|| (key_id == CONTROLLER_BUTTON_SHOULDER_LEFT_TRIGGER && OMS_ABS(controller->shoulder_trigger_left) < input->deadzone)
|| (key_id == CONTROLLER_BUTTON_SHOULDER_LEFT_BUTTON && controller->shoulder_button_left == 0)
|| (key_id == CONTROLLER_BUTTON_SHOULDER_RIGHT_TRIGGER && OMS_ABS(controller->shoulder_trigger_right) < input->deadzone)
|| (key_id == CONTROLLER_BUTTON_SHOULDER_RIGHT_BUTTON && controller->shoulder_button_right == 0)
|| (key_id == CONTROLLER_BUTTON_X && controller->button_X == 0)
|| (key_id == CONTROLLER_BUTTON_C && controller->button_C == 0)
|| (key_id == CONTROLLER_BUTTON_T && controller->button_T == 0)
|| (key_id == CONTROLLER_BUTTON_S && controller->button_S == 0)
|| (key_id == CONTROLLER_BUTTON_DPAD_LEFT && controller->dpad_left == 0)
|| (key_id == CONTROLLER_BUTTON_DPAD_RIGHT && controller->dpad_right == 0)
|| (key_id == CONTROLLER_BUTTON_DPAD_UP && controller->dpad_up == 0)
|| (key_id == CONTROLLER_BUTTON_DPAD_DOWN && controller->dpad_down == 0)
|| (key_id == CONTROLLER_BUTTON_OTHER_0 && controller->button_other[0] == 0)
|| (key_id == CONTROLLER_BUTTON_OTHER_1 && controller->button_other[1] == 0)
|| (key_id == CONTROLLER_BUTTON_OTHER_2 && controller->button_other[2] == 0)
|| (key_id == CONTROLLER_BUTTON_OTHER_3 && controller->button_other[3] == 0)
|| (key_id == CONTROLLER_BUTTON_OTHER_4 && controller->button_other[4] == 0)
|| (key_id == CONTROLLER_BUTTON_OTHER_5 && controller->button_other[5] == 0)
|| (key_id == CONTROLLER_BUTTON_OTHER_6 && controller->button_other[6] == 0)
|| (key_id == CONTROLLER_BUTTON_OTHER_7 && controller->button_other[7] == 0)
) {
input->state.state_keys[i].key_state = KEY_STATE_RELEASED;
}
}
}
// Special keys
// @todo this code means we cannot change this behavior (e.g. swap mouse view to dpad, swap sticks, ...)
if (OMS_ABS(controller->stick_right_x) > input->deadzone) {
input->state.dx += controller->stick_right_x / 8;
input->state_change_mouse = true;
} else {
input->state.dx = 0;
}
if (OMS_ABS(controller->stick_right_y) > input->deadzone) {
input->state.dy += controller->stick_right_y / 8;
input->state_change_mouse = true;
} else {
input->state.dy = 0;
}
if (OMS_ABS(controller->stick_left_x) > input->deadzone) {
input->state.dx2 += controller->stick_left_x / 8;
// @todo needs state change flag like mouse?!
} else {
input->state.dx2 = 0;
}
if (OMS_ABS(controller->stick_left_y) > input->deadzone) {
input->state.dy2 += controller->stick_left_y / 8;
input->state.y2 += controller->stick_left_y / 8;
// @todo needs state change flag like mouse?!
} else {
input->state.dy2 = 0;
}
// General Keys
int count = 0;
InputKey keys[5];
// @todo this logic below is painful, fix
if (count < 5 && controller->stick_left_button != 0) {
keys[count].key_id = CONTROLLER_BUTTON_STICK_LEFT_BUTTON | INPUT_CONTROLLER_PREFIX;
keys[count].key_state = KEY_STATE_PRESSED;
keys[count].value = controller->stick_left_button;
keys[count].time = time;
++count;
}
if (count < 5 && OMS_ABS(controller->stick_left_x) > input->deadzone) {
keys[count].key_id = CONTROLLER_BUTTON_STICK_LEFT_HORIZONTAL | INPUT_CONTROLLER_PREFIX;
keys[count].key_state = KEY_STATE_PRESSED;
keys[count].value = controller->stick_left_x;
keys[count].time = time;
++count;
}
if (count < 5 && OMS_ABS(controller->stick_left_y) > input->deadzone) {
keys[count].key_id = CONTROLLER_BUTTON_STICK_LEFT_VERTOCAL | INPUT_CONTROLLER_PREFIX;
keys[count].key_state = KEY_STATE_PRESSED;
keys[count].value = controller->stick_left_y;
keys[count].time = time;
++count;
}
if (count < 5 && controller->stick_right_button != 0) {
keys[count].key_id = CONTROLLER_BUTTON_STICK_RIGHT_BUTTON | INPUT_CONTROLLER_PREFIX;
keys[count].key_state = KEY_STATE_PRESSED;
keys[count].value = controller->stick_right_button;
keys[count].time = time;
++count;
}
if (count < 5 && OMS_ABS(controller->stick_right_x) > input->deadzone) {
keys[count].key_id = CONTROLLER_BUTTON_STICK_RIGHT_HORIZONTAL | INPUT_CONTROLLER_PREFIX;
keys[count].key_state = KEY_STATE_PRESSED;
keys[count].value = controller->stick_right_x;
keys[count].time = time;
++count;
}
if (count < 5 && OMS_ABS(controller->stick_right_y) > input->deadzone) {
keys[count].key_id = CONTROLLER_BUTTON_STICK_RIGHT_VERTOCAL | INPUT_CONTROLLER_PREFIX;
keys[count].key_state = KEY_STATE_PRESSED;
keys[count].value = controller->stick_right_y;
keys[count].time = time;
++count;
}
if (count < 5 && OMS_ABS(controller->shoulder_trigger_left) > input->deadzone) {
keys[count].key_id = CONTROLLER_BUTTON_SHOULDER_LEFT_TRIGGER | INPUT_CONTROLLER_PREFIX;
keys[count].key_state = KEY_STATE_PRESSED;
keys[count].value = controller->shoulder_trigger_left;
keys[count].time = time;
++count;
}
if (count < 5 && controller->shoulder_button_left != 0) {
keys[count].key_id = CONTROLLER_BUTTON_SHOULDER_LEFT_BUTTON | INPUT_CONTROLLER_PREFIX;
keys[count].key_state = KEY_STATE_PRESSED;
keys[count].value = controller->shoulder_button_left;
keys[count].time = time;
++count;
}
if (count < 5 && OMS_ABS(controller->shoulder_trigger_right) > input->deadzone) {
keys[count].key_id = CONTROLLER_BUTTON_SHOULDER_RIGHT_TRIGGER | INPUT_CONTROLLER_PREFIX;
keys[count].key_state = KEY_STATE_PRESSED;
keys[count].value = controller->shoulder_trigger_right;
keys[count].time = time;
++count;
}
if (count < 5 && controller->shoulder_button_right != 0) {
keys[count].key_id = CONTROLLER_BUTTON_SHOULDER_RIGHT_BUTTON | INPUT_CONTROLLER_PREFIX;
keys[count].key_state = KEY_STATE_PRESSED;
keys[count].value = controller->shoulder_button_right;
keys[count].time = time;
++count;
}
if (count < 5 && controller->button_X != 0) {
keys[count].key_id = CONTROLLER_BUTTON_X | INPUT_CONTROLLER_PREFIX;
keys[count].key_state = KEY_STATE_PRESSED;
keys[count].value = controller->button_X;
keys[count].time = time;
++count;
}
if (count < 5 && controller->button_C != 0) {
keys[count].key_id = CONTROLLER_BUTTON_C | INPUT_CONTROLLER_PREFIX;
keys[count].key_state = KEY_STATE_PRESSED;
keys[count].value = controller->button_C;
keys[count].time = time;
++count;
}
if (count < 5 && controller->button_T != 0) {
keys[count].key_id = CONTROLLER_BUTTON_T | INPUT_CONTROLLER_PREFIX;
keys[count].key_state = KEY_STATE_PRESSED;
keys[count].value = controller->button_T;
keys[count].time = time;
++count;
}
if (count < 5 && controller->button_S != 0) {
keys[count].key_id = CONTROLLER_BUTTON_S | INPUT_CONTROLLER_PREFIX;
keys[count].key_state = KEY_STATE_PRESSED;
keys[count].value = controller->button_S;
keys[count].time = time;
++count;
}
if (count < 5 && controller->dpad_left != 0) {
keys[count].key_id = CONTROLLER_BUTTON_DPAD_LEFT | INPUT_CONTROLLER_PREFIX;
keys[count].key_state = KEY_STATE_PRESSED;
keys[count].value = controller->dpad_left;
keys[count].time = time;
++count;
}
if (count < 5 && controller->dpad_right != 0) {
keys[count].key_id = CONTROLLER_BUTTON_DPAD_RIGHT | INPUT_CONTROLLER_PREFIX;
keys[count].key_state = KEY_STATE_PRESSED;
keys[count].value = controller->dpad_right;
keys[count].time = time;
++count;
}
if (count < 5 && controller->dpad_up != 0) {
keys[count].key_id = CONTROLLER_BUTTON_DPAD_UP | INPUT_CONTROLLER_PREFIX;
keys[count].key_state = KEY_STATE_PRESSED;
keys[count].value = controller->dpad_up;
keys[count].time = time;
++count;
}
if (count < 5 && controller->dpad_down != 0) {
keys[count].key_id = CONTROLLER_BUTTON_DPAD_DOWN | INPUT_CONTROLLER_PREFIX;
keys[count].key_state = KEY_STATE_PRESSED;
keys[count].value = controller->dpad_down;
keys[count].time = time;
++count;
}
if (count < 5 && controller->button_other[0] != 0) {
keys[count].key_id = CONTROLLER_BUTTON_OTHER_0 | INPUT_CONTROLLER_PREFIX;
keys[count].key_state = KEY_STATE_PRESSED;
keys[count].value = controller->button_other[0];
keys[count].time = time;
++count;
}
if (count < 5 && controller->button_other[1] != 0) {
keys[count].key_id = CONTROLLER_BUTTON_OTHER_1 | INPUT_CONTROLLER_PREFIX;
keys[count].key_state = KEY_STATE_PRESSED;
keys[count].value = controller->button_other[1];
keys[count].time = time;
++count;
}
if (count < 5 && controller->button_other[2] != 0) {
keys[count].key_id = CONTROLLER_BUTTON_OTHER_2 | INPUT_CONTROLLER_PREFIX;
keys[count].key_state = KEY_STATE_PRESSED;
keys[count].value = controller->button_other[2];
keys[count].time = time;
++count;
}
if (count < 5 && controller->button_other[3] != 0) {
keys[count].key_id = CONTROLLER_BUTTON_OTHER_3 | INPUT_CONTROLLER_PREFIX;
keys[count].key_state = KEY_STATE_PRESSED;
keys[count].value = controller->button_other[3];
keys[count].time = time;
++count;
}
if (count < 5 && controller->button_other[4] != 0) {
keys[count].key_id = CONTROLLER_BUTTON_OTHER_4 | INPUT_CONTROLLER_PREFIX;
keys[count].key_state = KEY_STATE_PRESSED;
keys[count].value = controller->button_other[4];
keys[count].time = time;
++count;
}
if (count < 5 && controller->button_other[5] != 0) {
keys[count].key_id = CONTROLLER_BUTTON_OTHER_5 | INPUT_CONTROLLER_PREFIX;
keys[count].key_state = KEY_STATE_PRESSED;
keys[count].value = controller->button_other[5];
keys[count].time = time;
++count;
}
if (count < 5 && controller->button_other[6] != 0) {
keys[count].key_id = CONTROLLER_BUTTON_OTHER_6 | INPUT_CONTROLLER_PREFIX;
keys[count].key_state = KEY_STATE_PRESSED;
keys[count].value = controller->button_other[6];
keys[count].time = time;
++count;
}
if (count < 5 && controller->button_other[7] != 0) {
keys[count].key_id = CONTROLLER_BUTTON_OTHER_7 | INPUT_CONTROLLER_PREFIX;
keys[count].key_state = KEY_STATE_PRESSED;
keys[count].value = controller->button_other[7];
keys[count].time = time;
++count;
}
for (int i = 0; i < count; ++i) {
input_set_state(&input->state, &keys[i]);
}
input->state_change_button = true;
}
void
input_hotkey_state(Input* input)
{
memset(input->state.state_hotkeys, 0, sizeof(uint8) * MAX_KEY_PRESSES);
int active_hotkeys = 0;
// Check every key down state
for (int key_state = 0; key_state < MAX_KEY_STATES; ++key_state) {
if (input->state.state_keys[key_state].key_id == 0
|| input->state.state_keys[key_state].key_state == KEY_STATE_RELEASED
) {
// no key defined for this down state
continue;
}
// Is a key defined for this state AND is at least one hotkey defined for this key
// If no hotkey is defined we don't care
// Careful, remember MAX_MOUSE_KEYS offset
InputKey* key = &input->state.state_keys[key_state];
int32 internal_key_id = (key->key_id & ~(INPUT_KEYBOARD_PREFIX | INPUT_CONTROLLER_PREFIX))
+ ((bool) (key->key_id & INPUT_KEYBOARD_PREFIX)) * MAX_MOUSE_KEYS
+ ((bool) (key->key_id & INPUT_CONTROLLER_PREFIX)) * (MAX_MOUSE_KEYS + MAX_KEYBOARD_KEYS);
// Handle 2 input devices (1 = keyboard + mouse, 2 = controller)
for (int i = 0; i < 2; ++i) {
InputMapping* mapping;
if (i == 0) {
mapping = &input->input_mapping1;
} else {
// @todo Maybe we want to ignore < INPUT_CONTROLLER_PREFIX since we could use this to handle alt keybinds
if (!input->handle_controller || key->key_id < INPUT_CONTROLLER_PREFIX) {
continue;
}
mapping = &input->input_mapping2;
}
const uint8* hotkeys_for_key = mapping->keys[internal_key_id - 1];
if (hotkeys_for_key[0] == 0) {
// no possible hotkey associated with this key
continue;
}
// Check every possible hotkey
// Since multiple input devices have their own button/key indices whe have to do this weird range handling
for (int possible_hotkey_idx = 0; possible_hotkey_idx < MAX_KEY_TO_HOTKEY; ++possible_hotkey_idx) {
// We only support a slimited amount of active hotkeys
if (active_hotkeys >= MAX_KEY_PRESSES) {
return;
}
bool is_pressed = hotkey_keys_are_active(&input->state, mapping, hotkeys_for_key[possible_hotkey_idx]);
// store active hotkey, if it is not already active
if (is_pressed && !hotkey_is_active(&input->state, hotkeys_for_key[possible_hotkey_idx])) {
input->state.state_hotkeys[active_hotkeys] = hotkeys_for_key[possible_hotkey_idx];
++active_hotkeys;
}
}
}
}
// @bug how to handle long press vs click
// @bug how to handle priority? e.g. there might be a hotkey for 1 and one for alt+1
// in this case only the hotkey for alt+1 should be triggered
// @bug how to handle other conditions besides buttons pressed together? some hotkeys are only available in certain situations
// @bug how to handle alternative hotkeys (e.g. keyboard and controller at the same time)
// @bug how to handle values (e.g. stick may or may not set the x/y or dx/dy in some situations)
}
#endif
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