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9b18371a1a
RetroArch/menu/menu_animation.c
twinaphex 9b18371a1a Refactor away menu_animation_update
2015-09-25 23:47:01 +02:00

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2014-2015 - Jean-André Santoni
* Copyright (C) 2011-2015 - 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 <retro_miscellaneous.h>
#include "menu_display.h"
#include "../configuration.h"
#include "../performance.h"
struct tween
{
bool alive;
float duration;
float running_since;
float initial_value;
float target_value;
float* subject;
int tag;
easingFunc easing;
tween_cb cb;
};
struct menu_animation
{
struct tween *list;
size_t capacity;
size_t size;
size_t first_dead;
bool is_active;
/* Delta timing */
float delta_time;
retro_time_t cur_time;
retro_time_t old_time;
};
typedef struct menu_animation menu_animation_t;
static menu_animation_t menu_animation_state;
static menu_animation_t *menu_animation_get_ptr(void)
{
return &menu_animation_state;
}
/* 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 int menu_animation_iterate(menu_animation_t *anim, unsigned idx, float dt, unsigned *active_tweens)
{
struct tween *tween = anim ? &anim->list[idx] : NULL;
if (!tween || !tween->alive)
return -1;
tween->running_since += dt;
*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;
if (idx < anim->first_dead)
anim->first_dead = idx;
if (tween->cb)
tween->cb();
}
if (tween->running_since < tween->duration)
*active_tweens += 1;
return 0;
}
static void menu_animation_ticker_generic(uint64_t idx,
size_t max_width, size_t *offset, size_t *width)
{
int ticker_period, phase, phase_left_stop;
int phase_left_moving, phase_right_stop;
int left_offset, right_offset;
*offset = 0;
if (*width <= max_width)
return;
ticker_period = 2 * (*width - max_width) + 4;
phase = idx % ticker_period;
phase_left_stop = 2;
phase_left_moving = phase_left_stop + (*width - max_width);
phase_right_stop = phase_left_moving + 2;
left_offset = phase - phase_left_stop;
right_offset = (*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;
}
static void menu_animation_push_internal(menu_animation_t *anim, const struct tween *t)
{
struct tween *target = NULL;
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;
}
void menu_animation_free(void)
{
size_t i;
menu_animation_t *anim = menu_animation_get_ptr();
if (!anim)
return;
for (i = 0; i < anim->size; i++)
{
if (anim->list[i].subject)
anim->list[i].subject = NULL;
}
free(anim->list);
memset(&menu_animation_state, 0, sizeof(menu_animation_t));
}
void menu_animation_kill_by_subject(size_t count, const void *subjects)
{
unsigned i, j, killed = 0;
float **sub = (float**)subjects;
menu_animation_t *anim = menu_animation_get_ptr();
for (i = 0; i < anim->size; ++i)
{
if (!anim->list[i].alive)
continue;
for (j = 0; j < count; ++j)
{
if (anim->list[i].subject == sub[j])
{
anim->list[i].alive = false;
anim->list[i].subject = NULL;
if (i < anim->first_dead)
anim->first_dead = i;
killed++;
break;
}
}
}
}
void menu_animation_kill_by_tag(int tag)
{
unsigned i;
menu_animation_t *anim = menu_animation_get_ptr();
if (tag == -1)
return;
for (i = 0; i < anim->size; ++i)
{
if (anim->list[i].tag == tag)
{
anim->list[i].alive = false;
anim->list[i].subject = NULL;
if (i < anim->first_dead)
anim->first_dead = i;
}
}
}
bool menu_animation_push(float duration, float target_value, float* subject,
enum menu_animation_easing_type easing_enum, int tag, tween_cb cb)
{
struct tween t;
menu_animation_t *anim = menu_animation_get_ptr();
if (!subject)
return false;
t.alive = true;
t.duration = duration;
t.running_since = 0;
t.initial_value = *subject;
t.target_value = target_value;
t.subject = subject;
t.tag = tag;
t.cb = cb;
switch (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:
t.easing = NULL;
break;
}
/* ignore born dead tweens */
if (!t.easing || t.duration == 0 || t.initial_value == t.target_value)
return false;
menu_animation_push_internal(anim, &t);
return true;
}
/**
* menu_animation_ticker_str:
* @s : buffer to write new message line to.
* @len : length of buffer @input.
* @idx : Index. Will be used for ticker logic.
* @str : Input string.
* @selected : Is the item currently selected in the menu?
*
* Take the contents of @str and apply a ticker effect to it,
* and write the results in @s.
**/
void menu_animation_ticker_str(char *s, size_t len, uint64_t idx,
const char *str, bool selected)
{
menu_animation_t *anim = menu_animation_get_ptr();
size_t str_len = strlen(str);
size_t offset = 0;
if ((size_t)str_len <= len)
{
strlcpy(s, str, len + 1);
return;
}
if (!selected)
{
strlcpy(s, str, len + 1 - 3);
strlcat(s, "...", len + 1);
return;
}
menu_animation_ticker_generic(idx, len, &offset, &str_len);
strlcpy(s, str - offset, str_len + 1);
anim->is_active = true;
}
bool menu_animation_ctl(enum menu_animation_ctl_state state, void *data)
{
menu_animation_t *anim = menu_animation_get_ptr();
if (!anim)
return false;
switch (state)
{
case MENU_ANIMATION_CTL_IS_ACTIVE:
return anim->is_active;
case MENU_ANIMATION_CTL_CLEAR_ACTIVE:
anim->is_active = false;
return true;
case MENU_ANIMATION_CTL_SET_ACTIVE:
anim->is_active = true;
return true;
case MENU_ANIMATION_CTL_DELTA_TIME:
{
float *ptr = (float*)data;
if (!ptr)
return false;
*ptr = anim->delta_time;
}
return true;
case MENU_ANIMATION_CTL_UPDATE_TIME:
{
static retro_time_t last_clock_update = 0;
settings_t *settings = config_get_ptr();
anim->cur_time = retro_get_time_usec();
anim->delta_time = anim->cur_time - anim->old_time;
if (anim->delta_time >= IDEAL_DT * 4)
anim->delta_time = IDEAL_DT * 4;
if (anim->delta_time <= IDEAL_DT / 4)
anim->delta_time = IDEAL_DT / 4;
anim->old_time = anim->cur_time;
if (((anim->cur_time - last_clock_update) > 1000000)
&& settings->menu.timedate_enable)
{
anim->is_active = true;
last_clock_update = anim->cur_time;
}
}
return true;
case MENU_ANIMATION_CTL_UPDATE:
{
unsigned i;
unsigned active_tweens = 0;
float *dt = (float*)data;
if (!dt)
return false;
for(i = 0; i < anim->size; i++)
menu_animation_iterate(anim, i, *dt, &active_tweens);
if (!active_tweens)
{
anim->size = 0;
anim->first_dead = 0;
return false;
}
anim->is_active = true;
}
return true;
}
return false;
}
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