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RetroArch/menu/menu_animation.c
gblues 6904101c44 Clean up trailing whitespace 
== DETAILS

Really simple code cleanup, because my editor flags trailing whitespaces
and it's pretty annoying.
2017-12-12 00:24:18 -08:00

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2014-2017 - Jean-André Santoni
* Copyright (C) 2011-2017 - Daniel De Matteis
*
* RetroArch 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 Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch 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 RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <math.h>
#include <string.h>
#include <compat/strl.h>
#include <encodings/utf.h>
#include <retro_math.h>
#include <retro_miscellaneous.h>
#include <features/features_cpu.h>
#include "menu_animation.h"
#include "../configuration.h"
#include "../performance_counters.h"
#define IDEAL_DELTA_TIME (1.0 / 60.0 * 1000000.0)
struct tween
{
bool alive;
float duration;
float running_since;
float initial_value;
float target_value;
float *subject;
uintptr_t tag;
easing_cb easing;
tween_cb cb;
};
struct menu_animation
{
struct tween *list;
bool need_defrag;
size_t capacity;
size_t size;
size_t first_dead;
};
typedef struct menu_animation menu_animation_t;
static menu_animation_t anim;
static retro_time_t cur_time = 0;
static retro_time_t old_time = 0;
static float delta_time = 0.0f;
static bool animation_is_active = false;
/* from https://github.com/kikito/tween.lua/blob/master/tween.lua */
static float easing_linear(float t, float b, float c, float d)
{
return c * t / d + b;
}
static float easing_in_out_quad(float t, float b, float c, float d)
{
t = t / d * 2;
if (t < 1)
return c / 2 * pow(t, 2) + b;
return -c / 2 * ((t - 1) * (t - 3) - 1) + b;
}
static float easing_in_quad(float t, float b, float c, float d)
{
return c * pow(t / d, 2) + b;
}
static float easing_out_quad(float t, float b, float c, float d)
{
t = t / d;
return -c * t * (t - 2) + b;
}
static float easing_out_in_quad(float t, float b, float c, float d)
{
if (t < d / 2)
return easing_out_quad(t * 2, b, c / 2, d);
return easing_in_quad((t * 2) - d, b + c / 2, c / 2, d);
}
static float easing_in_cubic(float t, float b, float c, float d)
{
return c * pow(t / d, 3) + b;
}
static float easing_out_cubic(float t, float b, float c, float d)
{
return c * (pow(t / d - 1, 3) + 1) + b;
}
static float easing_in_out_cubic(float t, float b, float c, float d)
{
t = t / d * 2;
if (t < 1)
return c / 2 * t * t * t + b;
t = t - 2;
return c / 2 * (t * t * t + 2) + b;
}
static float easing_out_in_cubic(float t, float b, float c, float d)
{
if (t < d / 2)
return easing_out_cubic(t * 2, b, c / 2, d);
return easing_in_cubic((t * 2) - d, b + c / 2, c / 2, d);
}
static float easing_in_quart(float t, float b, float c, float d)
{
return c * pow(t / d, 4) + b;
}
static float easing_out_quart(float t, float b, float c, float d)
{
return -c * (pow(t / d - 1, 4) - 1) + b;
}
static float easing_in_out_quart(float t, float b, float c, float d)
{
t = t / d * 2;
if (t < 1)
return c / 2 * pow(t, 4) + b;
return -c / 2 * (pow(t - 2, 4) - 2) + b;
}
static float easing_out_in_quart(float t, float b, float c, float d)
{
if (t < d / 2)
return easing_out_quart(t * 2, b, c / 2, d);
return easing_in_quart((t * 2) - d, b + c / 2, c / 2, d);
}
static float easing_in_quint(float t, float b, float c, float d)
{
return c * pow(t / d, 5) + b;
}
static float easing_out_quint(float t, float b, float c, float d)
{
return c * (pow(t / d - 1, 5) + 1) + b;
}
static float easing_in_out_quint(float t, float b, float c, float d)
{
t = t / d * 2;
if (t < 1)
return c / 2 * pow(t, 5) + b;
return c / 2 * (pow(t - 2, 5) + 2) + b;
}
static float easing_out_in_quint(float t, float b, float c, float d)
{
if (t < d / 2)
return easing_out_quint(t * 2, b, c / 2, d);
return easing_in_quint((t * 2) - d, b + c / 2, c / 2, d);
}
static float easing_in_sine(float t, float b, float c, float d)
{
return -c * cos(t / d * (M_PI / 2)) + c + b;
}
static float easing_out_sine(float t, float b, float c, float d)
{
return c * sin(t / d * (M_PI / 2)) + b;
}
static float easing_in_out_sine(float t, float b, float c, float d)
{
return -c / 2 * (cos(M_PI * t / d) - 1) + b;
}
static float easing_out_in_sine(float t, float b, float c, float d)
{
if (t < d / 2)
return easing_out_sine(t * 2, b, c / 2, d);
return easing_in_sine((t * 2) -d, b + c / 2, c / 2, d);
}
static float easing_in_expo(float t, float b, float c, float d)
{
if (t == 0)
return b;
return c * powf(2, 10 * (t / d - 1)) + b - c * 0.001;
}
static float easing_out_expo(float t, float b, float c, float d)
{
if (t == d)
return b + c;
return c * 1.001 * (-powf(2, -10 * t / d) + 1) + b;
}
static float easing_in_out_expo(float t, float b, float c, float d)
{
if (t == 0)
return b;
if (t == d)
return b + c;
t = t / d * 2;
if (t < 1)
return c / 2 * powf(2, 10 * (t - 1)) + b - c * 0.0005;
return c / 2 * 1.0005 * (-powf(2, -10 * (t - 1)) + 2) + b;
}
static float easing_out_in_expo(float t, float b, float c, float d)
{
if (t < d / 2)
return easing_out_expo(t * 2, b, c / 2, d);
return easing_in_expo((t * 2) - d, b + c / 2, c / 2, d);
}
static float easing_in_circ(float t, float b, float c, float d)
{
return(-c * (sqrt(1 - powf(t / d, 2)) - 1) + b);
}
static float easing_out_circ(float t, float b, float c, float d)
{
return(c * sqrt(1 - powf(t / d - 1, 2)) + b);
}
static float easing_in_out_circ(float t, float b, float c, float d)
{
t = t / d * 2;
if (t < 1)
return -c / 2 * (sqrt(1 - t * t) - 1) + b;
t = t - 2;
return c / 2 * (sqrt(1 - t * t) + 1) + b;
}
static float easing_out_in_circ(float t, float b, float c, float d)
{
if (t < d / 2)
return easing_out_circ(t * 2, b, c / 2, d);
return easing_in_circ((t * 2) - d, b + c / 2, c / 2, d);
}
static float easing_out_bounce(float t, float b, float c, float d)
{
t = t / d;
if (t < 1 / 2.75)
return c * (7.5625 * t * t) + b;
if (t < 2 / 2.75)
{
t = t - (1.5 / 2.75);
return c * (7.5625 * t * t + 0.75) + b;
}
else if (t < 2.5 / 2.75)
{
t = t - (2.25 / 2.75);
return c * (7.5625 * t * t + 0.9375) + b;
}
t = t - (2.625 / 2.75);
return c * (7.5625 * t * t + 0.984375) + b;
}
static float easing_in_bounce(float t, float b, float c, float d)
{
return c - easing_out_bounce(d - t, 0, c, d) + b;
}
static float easing_in_out_bounce(float t, float b, float c, float d)
{
if (t < d / 2)
return easing_in_bounce(t * 2, 0, c, d) * 0.5 + b;
return easing_out_bounce(t * 2 - d, 0, c, d) * 0.5 + c * .5 + b;
}
static float easing_out_in_bounce(float t, float b, float c, float d)
{
if (t < d / 2)
return easing_out_bounce(t * 2, b, c / 2, d);
return easing_in_bounce((t * 2) - d, b + c / 2, c / 2, d);
}
static void menu_animation_ticker_generic(uint64_t idx,
size_t max_width, size_t *offset, size_t *width)
{
int ticker_period = (int)(2 * (*width - max_width) + 4);
int phase = idx % ticker_period;
int phase_left_stop = 2;
int phase_left_moving = (int)(phase_left_stop + (*width - max_width));
int phase_right_stop = phase_left_moving + 2;
int left_offset = phase - phase_left_stop;
int right_offset = (int)((*width - max_width) - (phase - phase_right_stop));
if (phase < phase_left_stop)
*offset = 0;
else if (phase < phase_left_moving)
*offset = left_offset;
else if (phase < phase_right_stop)
*offset = *width - max_width;
else
*offset = right_offset;
*width = max_width;
}
bool menu_animation_push(menu_animation_ctx_entry_t *entry)
{
struct tween t;
struct tween *target = NULL;
t.alive = true;
t.duration = entry->duration;
t.running_since = 0;
t.initial_value = *entry->subject;
t.target_value = entry->target_value;
t.subject = entry->subject;
t.tag = entry->tag;
t.cb = entry->cb;
t.easing = NULL;
switch (entry->easing_enum)
{
case EASING_LINEAR:
t.easing = &easing_linear;
break;
/* Quad */
case EASING_IN_QUAD:
t.easing = &easing_in_quad;
break;
case EASING_OUT_QUAD:
t.easing = &easing_out_quad;
break;
case EASING_IN_OUT_QUAD:
t.easing = &easing_in_out_quad;
break;
case EASING_OUT_IN_QUAD:
t.easing = &easing_out_in_quad;
break;
/* Cubic */
case EASING_IN_CUBIC:
t.easing = &easing_in_cubic;
break;
case EASING_OUT_CUBIC:
t.easing = &easing_out_cubic;
break;
case EASING_IN_OUT_CUBIC:
t.easing = &easing_in_out_cubic;
break;
case EASING_OUT_IN_CUBIC:
t.easing = &easing_out_in_cubic;
break;
/* Quart */
case EASING_IN_QUART:
t.easing = &easing_in_quart;
break;
case EASING_OUT_QUART:
t.easing = &easing_out_quart;
break;
case EASING_IN_OUT_QUART:
t.easing = &easing_in_out_quart;
break;
case EASING_OUT_IN_QUART:
t.easing = &easing_out_in_quart;
break;
/* Quint */
case EASING_IN_QUINT:
t.easing = &easing_in_quint;
break;
case EASING_OUT_QUINT:
t.easing = &easing_out_quint;
break;
case EASING_IN_OUT_QUINT:
t.easing = &easing_in_out_quint;
break;
case EASING_OUT_IN_QUINT:
t.easing = &easing_out_in_quint;
break;
/* Sine */
case EASING_IN_SINE:
t.easing = &easing_in_sine;
break;
case EASING_OUT_SINE:
t.easing = &easing_out_sine;
break;
case EASING_IN_OUT_SINE:
t.easing = &easing_in_out_sine;
break;
case EASING_OUT_IN_SINE:
t.easing = &easing_out_in_sine;
break;
/* Expo */
case EASING_IN_EXPO:
t.easing = &easing_in_expo;
break;
case EASING_OUT_EXPO:
t.easing = &easing_out_expo;
break;
case EASING_IN_OUT_EXPO:
t.easing = &easing_in_out_expo;
break;
case EASING_OUT_IN_EXPO:
t.easing = &easing_out_in_expo;
break;
/* Circ */
case EASING_IN_CIRC:
t.easing = &easing_in_circ;
break;
case EASING_OUT_CIRC:
t.easing = &easing_out_circ;
break;
case EASING_IN_OUT_CIRC:
t.easing = &easing_in_out_circ;
break;
case EASING_OUT_IN_CIRC:
t.easing = &easing_out_in_circ;
break;
/* Bounce */
case EASING_IN_BOUNCE:
t.easing = &easing_in_bounce;
break;
case EASING_OUT_BOUNCE:
t.easing = &easing_out_bounce;
break;
case EASING_IN_OUT_BOUNCE:
t.easing = &easing_in_out_bounce;
break;
case EASING_OUT_IN_BOUNCE:
t.easing = &easing_out_in_bounce;
break;
default:
break;
}
/* ignore born dead tweens */
if (!t.easing || t.duration == 0 || t.initial_value == t.target_value)
return false;
if (anim.first_dead < anim.size && !anim.list[anim.first_dead].alive)
target = &anim.list[anim.first_dead++];
else
{
if (anim.size >= anim.capacity)
{
anim.capacity++;
anim.list = (struct tween*)realloc(anim.list,
anim.capacity * sizeof(struct tween));
}
target = &anim.list[anim.size++];
}
*target = t;
anim.need_defrag = true;
return true;
}
static int menu_animation_defrag_cmp(const void *a, const void *b)
{
const struct tween *ta = (const struct tween *)a;
const struct tween *tb = (const struct tween *)b;
return tb->alive - ta->alive;
}
/* defragments and shrinks the tween list when possible */
static void menu_animation_defrag()
{
size_t i;
qsort(anim.list, anim.size, sizeof(anim.list[0]), menu_animation_defrag_cmp);
for (i = anim.size-1; i > 0; i--)
{
if (anim.list[i].alive)
break;
anim.size--;
}
anim.first_dead = anim.size;
anim.need_defrag = false;
}
bool menu_animation_update(float delta_time)
{
unsigned i;
unsigned active_tweens = 0;
for(i = 0; i < anim.size; i++)
{
struct tween *tween = &anim.list[i];
if (!tween || !tween->alive)
continue;
tween->running_since += delta_time;
*tween->subject = tween->easing(
tween->running_since,
tween->initial_value,
tween->target_value - tween->initial_value,
tween->duration);
if (tween->running_since >= tween->duration)
{
*tween->subject = tween->target_value;
tween->alive = false;
anim.need_defrag = true;
if (tween->cb)
tween->cb();
}
if (tween->running_since < tween->duration)
active_tweens += 1;
}
if (anim.need_defrag)
menu_animation_defrag();
if (!active_tweens)
{
anim.size = 0;
anim.first_dead = 0;
anim.need_defrag = false;
return false;
}
animation_is_active = true;
return true;
}
bool menu_animation_ticker(const menu_animation_ctx_ticker_t *ticker)
{
size_t str_len = utf8len(ticker->str);
size_t offset = 0;
if ((size_t)str_len <= ticker->len)
{
utf8cpy(ticker->s,
PATH_MAX_LENGTH,
ticker->str,
ticker->len);
return true;
}
if (!ticker->selected)
{
utf8cpy(ticker->s, PATH_MAX_LENGTH, ticker->str, ticker->len - 3);
strlcat(ticker->s, "...", PATH_MAX_LENGTH);
return true;
}
if (str_len > ticker->len)
menu_animation_ticker_generic(
ticker->idx,
ticker->len,
&offset,
&str_len);
utf8cpy(
ticker->s,
PATH_MAX_LENGTH,
utf8skip(ticker->str, offset),
str_len);
animation_is_active = true;
return true;
}
bool menu_animation_get_ideal_delta_time(menu_animation_ctx_delta_t *delta)
{
if (!delta)
return false;
delta->ideal = delta->current / IDEAL_DELTA_TIME;
return true;
}
void menu_animation_update_time(bool timedate_enable)
{
static retro_time_t
last_clock_update = 0;
cur_time = cpu_features_get_time_usec();
delta_time = cur_time - old_time;
if (delta_time >= IDEAL_DELTA_TIME* 4)
delta_time = IDEAL_DELTA_TIME * 4;
if (delta_time <= IDEAL_DELTA_TIME / 4)
delta_time = IDEAL_DELTA_TIME / 4;
old_time = cur_time;
if (((cur_time - last_clock_update) > 1000000)
&& timedate_enable)
{
animation_is_active = true;
last_clock_update = cur_time;
}
}
bool menu_animation_is_active(void)
{
return animation_is_active;
}
bool menu_animation_ctl(enum menu_animation_ctl_state state, void *data)
{
switch (state)
{
case MENU_ANIMATION_CTL_DEINIT:
{
size_t i;
for (i = 0; i < anim.size; i++)
{
if (anim.list[i].subject)
anim.list[i].subject = NULL;
}
free(anim.list);
memset(&anim, 0, sizeof(menu_animation_t));
}
cur_time = 0;
old_time = 0;
delta_time = 0.0f;
break;
case MENU_ANIMATION_CTL_CLEAR_ACTIVE:
animation_is_active = false;
break;
case MENU_ANIMATION_CTL_SET_ACTIVE:
animation_is_active = true;
break;
case MENU_ANIMATION_CTL_DELTA_TIME:
{
float *ptr = (float*)data;
if (!ptr)
return false;
*ptr = delta_time;
}
break;
case MENU_ANIMATION_CTL_KILL_BY_TAG:
{
unsigned i;
menu_animation_ctx_tag *tag = (menu_animation_ctx_tag*)data;
if (!tag || *tag == (uintptr_t)-1)
return false;
for (i = 0; i < anim.size; ++i)
{
if (anim.list[i].tag != *tag)
continue;
anim.list[i].alive = false;
anim.list[i].subject = NULL;
if (i < anim.first_dead)
anim.first_dead = i;
anim.need_defrag = true;
}
}
break;
case MENU_ANIMATION_CTL_KILL_BY_SUBJECT:
{
unsigned i, j, killed = 0;
menu_animation_ctx_subject_t *subject =
(menu_animation_ctx_subject_t*)data;
float **sub = (float**)subject->data;
for (i = 0; i < anim.size && killed < subject->count; ++i)
{
if (!anim.list[i].alive)
continue;
for (j = 0; j < subject->count; ++j)
{
if (anim.list[i].subject != sub[j])
continue;
anim.list[i].alive = false;
anim.list[i].subject = NULL;
if (i < anim.first_dead)
anim.first_dead = i;
killed++;
anim.need_defrag = true;
break;
}
}
}
break;
case MENU_ANIMATION_CTL_NONE:
default:
break;
}
return true;
}
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