mirror of
https://github.com/CTCaer/RetroArch.git
synced 2024-12-23 11:18:25 +00:00
506 lines
14 KiB
C
506 lines
14 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2014-2015 - Jean-André Santoni
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* Copyright (C) 2011-2015 - Daniel De Matteis
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "menu_animation.h"
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#include <math.h>
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#include <string.h>
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#include <compat/strl.h>
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/* from https://github.com/kikito/tween.lua/blob/master/tween.lua */
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static float easing_linear(float t, float b, float c, float d)
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{
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return c * t / d + b;
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}
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static float easing_in_out_quad(float t, float b, float c, float d)
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{
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t = t / d * 2;
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if (t < 1)
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return c / 2 * pow(t, 2) + b;
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return -c / 2 * ((t - 1) * (t - 3) - 1) + b;
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}
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static float easing_in_quad(float t, float b, float c, float d)
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{
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return c * pow(t / d, 2) + b;
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}
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static float easing_out_quad(float t, float b, float c, float d)
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{
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t = t / d;
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return -c * t * (t - 2) + b;
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}
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static float easing_out_in_quad(float t, float b, float c, float d)
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{
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if (t < d / 2)
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return easing_out_quad(t * 2, b, c / 2, d);
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return easing_in_quad((t * 2) - d, b + c / 2, c / 2, d);
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}
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static float easing_in_cubic(float t, float b, float c, float d)
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{
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return c * pow(t / d, 3) + b;
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}
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static float easing_out_cubic(float t, float b, float c, float d)
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{
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return c * (pow(t / d - 1, 3) + 1) + b;
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}
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static float easing_in_out_cubic(float t, float b, float c, float d)
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{
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t = t / d * 2;
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if (t < 1)
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return c / 2 * t * t * t + b;
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t = t - 2;
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return c / 2 * (t * t * t + 2) + b;
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}
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static float easing_out_in_cubic(float t, float b, float c, float d)
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{
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if (t < d / 2)
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return easing_out_cubic(t * 2, b, c / 2, d);
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return easing_in_cubic((t * 2) - d, b + c / 2, c / 2, d);
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}
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static float easing_in_quart(float t, float b, float c, float d)
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{
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return c * pow(t / d, 4) + b;
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}
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static float easing_out_quart(float t, float b, float c, float d)
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{
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return -c * (pow(t / d - 1, 4) - 1) + b;
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}
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static float easing_in_out_quart(float t, float b, float c, float d)
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{
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t = t / d * 2;
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if (t < 1)
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return c / 2 * pow(t, 4) + b;
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return -c / 2 * (pow(t - 2, 4) - 2) + b;
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}
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static float easing_out_in_quart(float t, float b, float c, float d)
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{
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if (t < d / 2)
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return easing_out_quart(t * 2, b, c / 2, d);
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return easing_in_quart((t * 2) - d, b + c / 2, c / 2, d);
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}
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static float easing_in_quint(float t, float b, float c, float d)
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{
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return c * pow(t / d, 5) + b;
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}
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static float easing_out_quint(float t, float b, float c, float d)
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{
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return c * (pow(t / d - 1, 5) + 1) + b;
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}
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static float easing_in_out_quint(float t, float b, float c, float d)
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{
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t = t / d * 2;
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if (t < 1)
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return c / 2 * pow(t, 5) + b;
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return c / 2 * (pow(t - 2, 5) + 2) + b;
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}
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static float easing_out_in_quint(float t, float b, float c, float d)
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{
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if (t < d / 2)
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return easing_out_quint(t * 2, b, c / 2, d);
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return easing_in_quint((t * 2) - d, b + c / 2, c / 2, d);
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}
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static float easing_in_sine(float t, float b, float c, float d)
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{
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return -c * cos(t / d * (M_PI / 2)) + c + b;
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}
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static float easing_out_sine(float t, float b, float c, float d)
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{
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return c * sin(t / d * (M_PI / 2)) + b;
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}
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static float easing_in_out_sine(float t, float b, float c, float d)
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{
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return -c / 2 * (cos(M_PI * t / d) - 1) + b;
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}
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static float easing_out_in_sine(float t, float b, float c, float d)
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{
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if (t < d / 2)
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return easing_out_sine(t * 2, b, c / 2, d);
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return easing_in_sine((t * 2) -d, b + c / 2, c / 2, d);
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}
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static float easing_in_expo(float t, float b, float c, float d)
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{
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if (t == 0)
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return b;
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return c * powf(2, 10 * (t / d - 1)) + b - c * 0.001;
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}
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static float easing_out_expo(float t, float b, float c, float d)
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{
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if (t == d)
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return b + c;
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return c * 1.001 * (-powf(2, -10 * t / d) + 1) + b;
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}
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static float easing_in_out_expo(float t, float b, float c, float d)
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{
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if (t == 0)
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return b;
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if (t == d)
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return b + c;
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t = t / d * 2;
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if (t < 1)
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return c / 2 * powf(2, 10 * (t - 1)) + b - c * 0.0005;
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return c / 2 * 1.0005 * (-powf(2, -10 * (t - 1)) + 2) + b;
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}
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static float easing_out_in_expo(float t, float b, float c, float d)
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{
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if (t < d / 2)
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return easing_out_expo(t * 2, b, c / 2, d);
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return easing_in_expo((t * 2) - d, b + c / 2, c / 2, d);
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}
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static float easing_in_circ(float t, float b, float c, float d)
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{
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return(-c * (sqrt(1 - powf(t / d, 2)) - 1) + b);
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}
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static float easing_out_circ(float t, float b, float c, float d)
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{
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return(c * sqrt(1 - powf(t / d - 1, 2)) + b);
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}
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static float easing_in_out_circ(float t, float b, float c, float d)
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{
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t = t / d * 2;
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if (t < 1)
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return -c / 2 * (sqrt(1 - t * t) - 1) + b;
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t = t - 2;
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return c / 2 * (sqrt(1 - t * t) + 1) + b;
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}
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static float easing_out_in_circ(float t, float b, float c, float d)
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{
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if (t < d / 2)
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return easing_out_circ(t * 2, b, c / 2, d);
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return easing_in_circ((t * 2) - d, b + c / 2, c / 2, d);
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}
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static float easing_out_bounce(float t, float b, float c, float d)
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{
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t = t / d;
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if (t < 1 / 2.75)
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return c * (7.5625 * t * t) + b;
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if (t < 2 / 2.75)
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{
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t = t - (1.5 / 2.75);
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return c * (7.5625 * t * t + 0.75) + b;
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}
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else if (t < 2.5 / 2.75)
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{
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t = t - (2.25 / 2.75);
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return c * (7.5625 * t * t + 0.9375) + b;
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}
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t = t - (2.625 / 2.75);
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return c * (7.5625 * t * t + 0.984375) + b;
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}
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static float easing_in_bounce(float t, float b, float c, float d)
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{
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return c - easing_out_bounce(d - t, 0, c, d) + b;
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}
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static float easing_in_out_bounce(float t, float b, float c, float d)
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{
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if (t < d / 2)
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return easing_in_bounce(t * 2, 0, c, d) * 0.5 + b;
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return easing_out_bounce(t * 2 - d, 0, c, d) * 0.5 + c * .5 + b;
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}
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static float easing_out_in_bounce(float t, float b, float c, float d)
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{
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if (t < d / 2)
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return easing_out_bounce(t * 2, b, c / 2, d);
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return easing_in_bounce((t * 2) - d, b + c / 2, c / 2, d);
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}
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void menu_animation_free(animation_t *animation)
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{
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size_t i;
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if (!animation)
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return;
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for (i = 0; i < animation->size; i++)
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{
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if (animation->list[i].subject)
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animation->list[i].subject = NULL;
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}
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free(animation->list);
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free(animation);
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}
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bool menu_animation_push(animation_t *animation,
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float duration, float target_value, float* subject,
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enum animation_easing_type easing_enum, tween_cb cb)
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{
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if (animation->size >= animation->capacity)
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{
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animation->capacity++;
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animation->list = (struct tween*)realloc(animation->list,
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animation->capacity * sizeof(struct tween));
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}
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animation->list[animation->size].alive = 1;
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animation->list[animation->size].duration = duration;
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animation->list[animation->size].running_since = 0;
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animation->list[animation->size].initial_value = *subject;
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animation->list[animation->size].target_value = target_value;
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animation->list[animation->size].subject = subject;
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animation->list[animation->size].cb = cb;
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switch (easing_enum)
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{
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case EASING_LINEAR:
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animation->list[animation->size].easing = &easing_linear;
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break;
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/* Quad */
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case EASING_IN_QUAD:
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animation->list[animation->size].easing = &easing_in_quad;
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break;
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case EASING_OUT_QUAD:
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animation->list[animation->size].easing = &easing_out_quad;
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break;
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case EASING_IN_OUT_QUAD:
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animation->list[animation->size].easing = &easing_in_out_quad;
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break;
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case EASING_OUT_IN_QUAD:
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animation->list[animation->size].easing = &easing_out_in_quad;
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break;
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/* Cubic */
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case EASING_IN_CUBIC:
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animation->list[animation->size].easing = &easing_in_cubic;
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break;
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case EASING_OUT_CUBIC:
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animation->list[animation->size].easing = &easing_out_cubic;
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break;
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case EASING_IN_OUT_CUBIC:
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animation->list[animation->size].easing = &easing_in_out_cubic;
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break;
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case EASING_OUT_IN_CUBIC:
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animation->list[animation->size].easing = &easing_out_in_cubic;
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break;
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/* Quart */
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case EASING_IN_QUART:
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animation->list[animation->size].easing = &easing_in_quart;
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break;
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case EASING_OUT_QUART:
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animation->list[animation->size].easing = &easing_out_quart;
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break;
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case EASING_IN_OUT_QUART:
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animation->list[animation->size].easing = &easing_in_out_quart;
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break;
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case EASING_OUT_IN_QUART:
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animation->list[animation->size].easing = &easing_out_in_quart;
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break;
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/* Quint */
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case EASING_IN_QUINT:
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animation->list[animation->size].easing = &easing_in_quint;
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break;
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case EASING_OUT_QUINT:
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animation->list[animation->size].easing = &easing_out_quint;
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break;
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case EASING_IN_OUT_QUINT:
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animation->list[animation->size].easing = &easing_in_out_quint;
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break;
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case EASING_OUT_IN_QUINT:
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animation->list[animation->size].easing = &easing_out_in_quint;
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break;
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/* Sine */
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case EASING_IN_SINE:
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animation->list[animation->size].easing = &easing_in_sine;
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break;
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case EASING_OUT_SINE:
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animation->list[animation->size].easing = &easing_out_sine;
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break;
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case EASING_IN_OUT_SINE:
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animation->list[animation->size].easing = &easing_in_out_sine;
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break;
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case EASING_OUT_IN_SINE:
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animation->list[animation->size].easing = &easing_out_in_sine;
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break;
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/* Expo */
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case EASING_IN_EXPO:
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animation->list[animation->size].easing = &easing_in_expo;
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break;
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case EASING_OUT_EXPO:
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animation->list[animation->size].easing = &easing_out_expo;
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break;
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case EASING_IN_OUT_EXPO:
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animation->list[animation->size].easing = &easing_in_out_expo;
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break;
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case EASING_OUT_IN_EXPO:
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animation->list[animation->size].easing = &easing_out_in_expo;
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break;
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/* Circ */
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case EASING_IN_CIRC:
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animation->list[animation->size].easing = &easing_in_circ;
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break;
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case EASING_OUT_CIRC:
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animation->list[animation->size].easing = &easing_out_circ;
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break;
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case EASING_IN_OUT_CIRC:
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animation->list[animation->size].easing = &easing_in_out_circ;
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break;
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case EASING_OUT_IN_CIRC:
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animation->list[animation->size].easing = &easing_out_in_circ;
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break;
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/* Bounce */
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case EASING_IN_BOUNCE:
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animation->list[animation->size].easing = &easing_in_bounce;
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break;
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case EASING_OUT_BOUNCE:
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animation->list[animation->size].easing = &easing_out_bounce;
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break;
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case EASING_IN_OUT_BOUNCE:
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animation->list[animation->size].easing = &easing_in_out_bounce;
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break;
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case EASING_OUT_IN_BOUNCE:
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animation->list[animation->size].easing = &easing_out_in_bounce;
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break;
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default:
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animation->list[animation->size].easing = NULL;
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break;
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}
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animation->size++;
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return true;
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}
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static int menu_animation_iterate(struct tween *tween, float dt,
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unsigned *active_tweens)
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{
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if (!tween)
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return -1;
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if (tween->running_since >= tween->duration)
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return -1;
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tween->running_since += dt;
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if (tween->easing)
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*tween->subject = tween->easing(
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tween->running_since,
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tween->initial_value,
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tween->target_value - tween->initial_value,
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tween->duration);
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if (tween->running_since >= tween->duration)
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{
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*tween->subject = tween->target_value;
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if (tween->cb)
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tween->cb();
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}
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if (tween->running_since < tween->duration)
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*active_tweens += 1;
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return 0;
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}
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void menu_animation_update(animation_t *animation, float dt)
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{
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unsigned i;
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unsigned active_tweens = 0;
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for(i = 0; i < animation->size; i++)
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menu_animation_iterate(&animation->list[i], dt, &active_tweens);
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if (!active_tweens)
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animation->size = 0;
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}
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/**
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* menu_animation_ticker_line:
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* @buf : buffer to write new message line to.
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* @len : length of buffer @input.
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* @idx : Index. Will be used for ticker logic.
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* @str : Input string.
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* @selected : Is the item currently selected in the menu?
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*
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* Take the contents of @str and apply a ticker effect to it,
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* and write the results in @buf.
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**/
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void menu_animation_ticker_line(char *buf, size_t len, unsigned idx,
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const char *str, bool selected)
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{
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unsigned ticker_period, phase, phase_left_stop;
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unsigned phase_left_moving, phase_right_stop;
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unsigned left_offset, right_offset;
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size_t str_len = strlen(str);
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if (str_len <= len)
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{
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strlcpy(buf, str, len + 1);
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return;
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}
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if (!selected)
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{
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strlcpy(buf, str, len + 1 - 3);
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strlcat(buf, "...", len + 1);
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return;
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}
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/* Wrap long strings in options with some kind of ticker line. */
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ticker_period = 2 * (str_len - len) + 4;
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|
phase = idx % ticker_period;
|
|
|
|
phase_left_stop = 2;
|
|
phase_left_moving = phase_left_stop + (str_len - len);
|
|
phase_right_stop = phase_left_moving + 2;
|
|
|
|
left_offset = phase - phase_left_stop;
|
|
right_offset = (str_len - len) - (phase - phase_right_stop);
|
|
|
|
/* Ticker period:
|
|
* [Wait at left (2 ticks),
|
|
* Progress to right(type_len - w),
|
|
* Wait at right (2 ticks),
|
|
* Progress to left].
|
|
*/
|
|
if (phase < phase_left_stop)
|
|
strlcpy(buf, str, len + 1);
|
|
else if (phase < phase_left_moving)
|
|
strlcpy(buf, str + left_offset, len + 1);
|
|
else if (phase < phase_right_stop)
|
|
strlcpy(buf, str + str_len - len, len + 1);
|
|
else
|
|
strlcpy(buf, str + right_offset, len + 1);
|
|
}
|