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// Copyright 2021 Victor Toni (@vitoni)
// SPDX-License-Identifier: GPL-2.0-or-later
#include "vitoni.h"
#include <rgb_matrix.h>
#include <lib/lib8tion/lib8tion.h>
#include "rgb_matrix_effects.h"
#include "utils.h"
#if defined(RGB_FADE_IN) || defined(RGB_DISABLE_WITH_FADE_OUT) || defined(RGB_IDLE_TIMEOUT)
static uint8_t state;
// flag used to indicate that offset calculation is needed to adjust the timer,
// so that it matches the index used for sine calculation
static bool calc_offset;
void matrix_scan_user_rgb(void) {
#if defined(RGB_DISABLE_WITH_FADE_OUT) || defined(RGB_IDLE_TIMEOUT)
const uint8_t time = rgb_time_2_scale();
#endif
static uint8_t time_offset;
const uint32_t inactivity_millis = last_input_activity_elapsed();
#if defined(RGB_IDLE_TIMEOUT)
if (IDLE != state && RGB_IDLE_TIMEOUT <= inactivity_millis) {
update_value(&state, IDLE_FADE_OUT, &calc_offset);
}
#endif
#if defined(RGB_DISABLE_WITH_FADE_OUT)
const uint32_t fade_out_duration = scale_2_rgb_time(128);
const uint32_t start_fade_out_after_millis = (RGB_MATRIX_TIMEOUT) > fade_out_duration
? (RGB_MATRIX_TIMEOUT) - fade_out_duration
: 0;
if (start_fade_out_after_millis <= inactivity_millis) {
update_value(&state, FADE_OUT, &calc_offset);
}
#elif defined(RGB_MATRIX_TIMEOUT)
// having to set brightness "manually" to black as starting point for fade in
// for the time when returning from suspended state
if (RGB_MATRIX_TIMEOUT <= inactivity_millis + 15) {
rgb_matrix_config.hsv.v = 0;
state = SUSPENDED;
}
#endif
switch(state) {
#if defined(RGB_IDLE_TIMEOUT)
case IDLE_FADE_OUT:
if (calc_offset) {
time_offset = calc_fade_out_offset(time);
// resetting flag for subsequent calls
calc_offset = false;
}
if (idle_fade_out(time + time_offset)) {
update_value(&state, IDLE, &calc_offset);
}
break;
case IDLE:
#if defined(RGB_IDLE_BREATHE)
if (calc_offset) {
// no need to calculate time_offset since we are aligned already due to IDLE_FADE_OUT
// resetting flag for subsequent calls
calc_offset = false;
}
idle_breathe(time + time_offset);
#endif
break;
#endif
#if defined(RGB_DISABLE_WITH_FADE_OUT)
case FADE_OUT:
if (calc_offset) {
time_offset = calc_fade_out_offset(time);
// resetting flag for subsequent calls
calc_offset = false;
}
if (fade_out(time + time_offset)) {
update_value(&state, SUSPENDED, &calc_offset);
}
break;
#endif
#if defined(RGB_FADE_IN) || defined(RGB_IDLE_TIMEOUT)
case FADE_IN:
{
// since we want to be active, fade in should be faster than e.g. fading out
const uint8_t fade_in_time = rgb_time_2_scale_w_factor(4);
if (calc_offset) {
time_offset = calc_fade_in_offset(fade_in_time);
// resetting flag for subsequent calls
calc_offset = false;
}
if (fade_in(fade_in_time + time_offset)) {
update_value(&state, REGULAR, &calc_offset);
}
}
break;
#endif
default:
break;
}
}
#if defined(RGB_FADE_IN) || defined(RGB_IDLE_TIMEOUT)
bool process_record_user_rgb(const uint16_t keycode, const keyrecord_t *record) {
// if we are in a non regular state we might have faded out (eventually partially)
// so we restore brightness (to max as we don't keep track of manually changed brightness)
// if (REGULAR != state && FADE_IN != state) {
if (FADE_IN != state && REGULAR != state) {
update_value(&state, FADE_IN, &calc_offset);
}
return true; // Process all other keycodes normally
}
void suspend_wakeup_init_user(void) {
if (FADE_IN != state) {
// setting brightness to black as starting point for fade in
rgb_matrix_config.hsv.v = 0;
update_value(&state, FADE_IN, &calc_offset);
}
}
#endif // defined(RGB_FADE_IN)
#endif // defined(RGB_FADE_IN) || defined(RGB_DISABLE_WITH_FADE_OUT)
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