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De-obfuscate random8 functions in RGB matrix animations (#19416)

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Albert Y 2022-12-28 04:11:31 +08:00 committed by GitHub
parent 809c05ddf2
commit 7f2ac4c576
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3 changed files with 7 additions and 20 deletions
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4
quantum/rgb_matrix/animations/pixel_flow_anim.h
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@ -22,7 +22,7 @@ static bool PIXEL_FLOW(effect_params_t* params) {
// Clear LEDs and fill the state array
rgb_matrix_set_color_all(0, 0, 0);
for (uint8_t j = 0; j < RGB_MATRIX_LED_COUNT; ++j) {
led[j] = (random8() & 2) ? (RGB){0, 0, 0} : hsv_to_rgb((HSV){random8(), qadd8(random8() >> 1, 127), rgb_matrix_config.hsv.v});
led[j] = (random8() & 2) ? (RGB){0, 0, 0} : hsv_to_rgb((HSV){random8(), random8_min_max(127, 255), rgb_matrix_config.hsv.v});
}
}
@ -39,7 +39,7 @@ static bool PIXEL_FLOW(effect_params_t* params) {
led[j] = led[j + 1];
}
// Fill last LED
led[led_max - 1] = (random8() & 2) ? (RGB){0, 0, 0} : hsv_to_rgb((HSV){random8(), qadd8(random8() >> 1, 127), rgb_matrix_config.hsv.v});
led[led_max - 1] = (random8() & 2) ? (RGB){0, 0, 0} : hsv_to_rgb((HSV){random8(), random8_min_max(127, 255), rgb_matrix_config.hsv.v});
// Set pulse timer
wait_timer = g_rgb_timer + interval();
}

21
quantum/rgb_matrix/animations/pixel_rain_anim.h
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@ -1,18 +1,5 @@
/* Copyright (C) 2021 @filterpaper
*
* 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, see <http://www.gnu.org/licenses/>.
*/
// Copyright 2022 @filterpaper
// SPDX-License-Identifier: GPL-2.0+
#ifdef ENABLE_RGB_MATRIX_PIXEL_RAIN
RGB_MATRIX_EFFECT(PIXEL_RAIN)
@ -32,7 +19,7 @@ static bool PIXEL_RAIN(effect_params_t* params) {
if (off) {
rgb_matrix_set_color(i, 0, 0, 0);
} else {
HSV hsv = {random8(), qadd8(random8() >> 1, 127), rgb_matrix_config.hsv.v};
HSV hsv = {random8(), random8_min_max(127, 255), rgb_matrix_config.hsv.v};
RGB rgb = rgb_matrix_hsv_to_rgb(hsv);
rgb_matrix_set_color(i, rgb.r, rgb.g, rgb.b);
}
@ -41,7 +28,7 @@ static bool PIXEL_RAIN(effect_params_t* params) {
RGB_MATRIX_USE_LIMITS(led_min, led_max);
if (g_rgb_timer > wait_timer) {
rain_pixel(mod8(random8(), RGB_MATRIX_LED_COUNT), params, random8() & 2);
rain_pixel(random8_max(RGB_MATRIX_LED_COUNT), params, random8() & 2);
}
return rgb_matrix_check_finished_leds(led_max);
}

2
quantum/rgb_matrix/animations/raindrops_anim.h
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@ -24,7 +24,7 @@ bool RAINDROPS(effect_params_t* params) {
if (!params->init) {
// Change one LED every tick, make sure speed is not 0
if (scale16by8(g_rgb_timer, qadd8(rgb_matrix_config.speed, 16)) % 10 == 0) {
raindrops_set_color(random8() % RGB_MATRIX_LED_COUNT, params);
raindrops_set_color(random8_max(RGB_MATRIX_LED_COUNT), params);
}
} else {
for (int i = led_min; i < led_max; i++) {