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RetroArch/menu/menu_animation.c
natinusala 863fd55951 menu_animation: don't update deleted tweens
2019-07-30 14:07:06 +02:00

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2014-2018 - Jean-André Santoni
* Copyright (C) 2011-2018 - 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 <string/stdstring.h>
#include <features/features_cpu.h>
#include <lists/string_list.h>
#define DG_DYNARR_IMPLEMENTATION
#include <stdio.h>
#include <retro_assert.h>
#define DG_DYNARR_ASSERT(cond, msg) (void)0
#include <array/dynarray.h>
#undef DG_DYNARR_IMPLEMENTATION
#include "menu_animation.h"
#include "../configuration.h"
#include "../performance_counters.h"
struct tween
{
float duration;
float running_since;
float initial_value;
float target_value;
float *subject;
uintptr_t tag;
easing_cb easing;
tween_cb cb;
void *userdata;
bool deleted;
};
DA_TYPEDEF(struct tween, tween_array_t)
struct menu_animation
{
tween_array_t list;
tween_array_t pending;
bool initialized;
bool pending_deletes;
bool in_update;
};
typedef struct menu_animation menu_animation_t;
#define TICKER_SPEED 333
#define TICKER_SLOW_SPEED 1600
static const char ticker_spacer_default[] = TICKER_SPACER_DEFAULT;
static menu_animation_t anim = {{0}};
static retro_time_t cur_time = 0;
static retro_time_t old_time = 0;
static uint64_t ticker_idx = 0; /* updated every TICKER_SPEED ms */
static uint64_t ticker_slow_idx = 0; /* updated every TICKER_SLOW_SPEED ms */
static float delta_time = 0.0f;
static bool animation_is_active = false;
static bool ticker_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;
}
static void menu_animation_ticker_loop(uint64_t idx,
size_t max_width, size_t str_width, size_t spacer_width,
size_t *offset1, size_t *width1,
size_t *offset2, size_t *width2,
size_t *offset3, size_t *width3)
{
int ticker_period = (int)(str_width + spacer_width);
int phase = idx % ticker_period;
/* Output offsets/widths are unsigned size_t, but it's
* easier to perform the required calculations with ints,
* so create some temporary variables... */
int offset;
int width;
/* Looping text is composed of up to three strings,
* where string 1 and 2 are different regions of the
* source text and string 2 is a spacer:
*
* |-----max_width-----|
* [string 1][string 2][string 3]
*
* The following implementation could probably be optimised,
* but any performance gains would be trivial compared with
* all the string manipulation that has to happen afterwards...
*/
/* String 1 */
offset = (phase < (int)str_width) ? phase : 0;
width = (int)(str_width - phase);
width = (width < 0) ? 0 : width;
width = (width > (int)max_width) ? (int)max_width : width;
*offset1 = offset;
*width1 = width;
/* String 2 */
offset = (int)(phase - str_width);
offset = offset < 0 ? 0 : offset;
width = (int)(max_width - *width1);
width = (width > (int)spacer_width) ? (int)spacer_width : width;
width = width - offset;
*offset2 = offset;
*width2 = width;
/* String 3 */
width = (int)(max_width - (*width1 + *width2));
width = width < 0 ? 0 : width;
/* Note: offset is always zero here so offset3 is
* unnecessary - but include it anyway to preserve
* symmetry... */
*offset3 = 0;
*width3 = width;
}
static size_t get_line_display_ticks(size_t line_width)
{
/* Mean human reading speed for all western languages,
* characters per minute */
float cpm = 1000.0f;
/* Base time for which a line should be shown, in ms */
float line_duration = (line_width * 60.0f * 1000.0f) / cpm;
/* Ticker updates (nominally) once every TICKER_SPEED ms
* > Return base number of ticks for which line should be shown */
return (size_t)(line_duration / (float)TICKER_SPEED);
}
static void menu_animation_line_ticker_generic(uint64_t idx,
size_t line_width, size_t max_lines, size_t num_lines,
size_t *line_offset)
{
size_t line_ticks = get_line_display_ticks(line_width);
/* Note: This function is only called if num_lines > max_lines */
size_t excess_lines = num_lines - max_lines;
/* Ticker will pause for one line duration when the first
* or last line is reached (this is mostly required for the
* case where num_lines == (max_lines + 1), since otherwise
* the text flicks rapidly up and down in disconcerting
* fashion...) */
size_t ticker_period = (excess_lines * 2) + 2;
size_t phase = (idx / line_ticks) % ticker_period;
/* Pause on first line */
if (phase > 0)
phase--;
/* Pause on last line */
if (phase > excess_lines)
phase--;
/* Lines scrolling upwards */
if (phase <= excess_lines)
*line_offset = phase;
/* Lines scrolling downwards */
else
*line_offset = (excess_lines * 2) - phase;
}
static void menu_animation_line_ticker_loop(uint64_t idx,
size_t line_width, size_t num_lines,
size_t *line_offset)
{
size_t line_ticks = get_line_display_ticks(line_width);
size_t ticker_period = num_lines + 1;
size_t phase = (idx / line_ticks) % ticker_period;
/* In this case, line_offset is simply equal to the phase */
*line_offset = phase;
}
static void menu_delayed_animation_cb(void *userdata)
{
menu_delayed_animation_t *delayed_animation = (menu_delayed_animation_t*) userdata;
menu_animation_push(&delayed_animation->entry);
free(delayed_animation);
}
void menu_animation_push_delayed(unsigned delay, menu_animation_ctx_entry_t *entry)
{
menu_timer_ctx_entry_t timer_entry;
menu_delayed_animation_t *delayed_animation = (menu_delayed_animation_t*) malloc(sizeof(menu_delayed_animation_t));
memcpy(&delayed_animation->entry, entry, sizeof(menu_animation_ctx_entry_t));
timer_entry.cb = menu_delayed_animation_cb;
timer_entry.duration = delay;
timer_entry.userdata = delayed_animation;
menu_timer_start(&delayed_animation->timer, &timer_entry);
}
bool menu_animation_push(menu_animation_ctx_entry_t *entry)
{
struct tween t;
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.userdata = entry->userdata;
t.easing = NULL;
t.deleted = false;
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.initialized)
{
da_init(anim.list);
da_init(anim.pending);
anim.initialized = true;
}
if (anim.in_update)
da_push(anim.pending, t);
else
da_push(anim.list, t);
return true;
}
static void menu_animation_update_time(bool timedate_enable)
{
static retro_time_t
last_clock_update = 0;
static retro_time_t
last_ticker_update = 0;
static retro_time_t
last_ticker_slow_update = 0;
/* Adjust ticker speed */
settings_t *settings = config_get_ptr();
float speed_factor = settings->floats.menu_ticker_speed > 0.0001f ? settings->floats.menu_ticker_speed : 1.0f;
unsigned ticker_speed = (unsigned)(((float)TICKER_SPEED / speed_factor) + 0.5);
unsigned ticker_slow_speed = (unsigned)(((float)TICKER_SLOW_SPEED / speed_factor) + 0.5);
cur_time = cpu_features_get_time_usec() / 1000;
delta_time = old_time == 0 ? 0 : cur_time - old_time;
old_time = cur_time;
if (((cur_time - last_clock_update) > 1000)
&& timedate_enable)
{
animation_is_active = true;
last_clock_update = cur_time;
}
if (ticker_is_active
&& cur_time - last_ticker_update >= ticker_speed)
{
ticker_idx++;
last_ticker_update = cur_time;
}
if (ticker_is_active
&& cur_time - last_ticker_slow_update >= ticker_slow_speed)
{
ticker_slow_idx++;
last_ticker_slow_update = cur_time;
}
}
bool menu_animation_update(void)
{
unsigned i;
settings_t *settings = config_get_ptr();
menu_animation_update_time(settings->bools.menu_timedate_enable);
anim.in_update = true;
anim.pending_deletes = false;
for (i = 0; i < da_count(anim.list); i++)
{
struct tween *tween = da_getptr(anim.list, i);
if (!tween || tween->deleted)
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;
if (tween->cb)
tween->cb(tween->userdata);
da_delete(anim.list, i);
i--;
}
}
if (anim.pending_deletes)
{
for (i = 0; i < da_count(anim.list); i++)
{
struct tween *tween = da_getptr(anim.list, i);
if (!tween)
continue;
if (tween->deleted)
{
da_delete(anim.list, i);
i--;
}
}
anim.pending_deletes = false;
}
if (da_count(anim.pending) > 0)
{
da_addn(anim.list, anim.pending.p, da_count(anim.pending));
da_clear(anim.pending);
}
anim.in_update = false;
animation_is_active = da_count(anim.list) > 0;
return animation_is_active;
}
bool menu_animation_ticker(menu_animation_ctx_ticker_t *ticker)
{
size_t str_len = utf8len(ticker->str);
if (!ticker->spacer)
ticker->spacer = ticker_spacer_default;
if ((size_t)str_len <= ticker->len)
{
utf8cpy(ticker->s,
PATH_MAX_LENGTH,
ticker->str,
ticker->len);
return false;
}
if (!ticker->selected)
{
utf8cpy(ticker->s, PATH_MAX_LENGTH, ticker->str, ticker->len - 3);
strlcat(ticker->s, "...", PATH_MAX_LENGTH);
return false;
}
/* Note: If we reach this point then str_len > ticker->len
* (previously had an unecessary 'if (str_len > ticker->len)'
* check here...) */
switch (ticker->type_enum)
{
case TICKER_TYPE_LOOP:
{
size_t offset1, offset2, offset3;
size_t width1, width2, width3;
/* Horribly oversized temporary buffer
* > utf8 support makes this whole thing incredibly
* ugly/inefficient. Not much we can do about it... */
char tmp[PATH_MAX_LENGTH];
tmp[0] = '\0';
ticker->s[0] = '\0';
menu_animation_ticker_loop(
ticker->idx,
ticker->len,
str_len, utf8len(ticker->spacer),
&offset1, &width1,
&offset2, &width2,
&offset3, &width3);
if (width1 > 0)
{
utf8cpy(
ticker->s,
PATH_MAX_LENGTH,
utf8skip(ticker->str, offset1),
width1);
}
if (width2 > 0)
{
utf8cpy(
tmp,
PATH_MAX_LENGTH,
utf8skip(ticker->spacer, offset2),
width2);
strlcat(ticker->s, tmp, PATH_MAX_LENGTH);
}
if (width3 > 0)
{
utf8cpy(
tmp,
PATH_MAX_LENGTH,
utf8skip(ticker->str, offset3),
width3);
strlcat(ticker->s, tmp, PATH_MAX_LENGTH);
}
break;
}
case TICKER_TYPE_BOUNCE:
default:
{
size_t offset = 0;
menu_animation_ticker_generic(
ticker->idx,
ticker->len,
&offset,
&str_len);
utf8cpy(
ticker->s,
PATH_MAX_LENGTH,
utf8skip(ticker->str, offset),
str_len);
break;
}
}
ticker_is_active = true;
return true;
}
bool menu_animation_line_ticker(menu_animation_ctx_line_ticker_t *line_ticker)
{
size_t i;
char *wrapped_str = NULL;
struct string_list *lines = NULL;
size_t line_offset = 0;
bool success = false;
bool is_active = false;
/* Sanity check */
if (!line_ticker)
return false;
if (string_is_empty(line_ticker->str) ||
(line_ticker->line_width < 1) ||
(line_ticker->max_lines < 1))
goto end;
/* Line wrap input string */
wrapped_str = (char*)malloc((strlen(line_ticker->str) + 1) * sizeof(char));
if (!wrapped_str)
goto end;
word_wrap(
wrapped_str,
line_ticker->str,
(int)line_ticker->line_width,
true, 0);
if (string_is_empty(wrapped_str))
goto end;
/* Split into component lines */
lines = string_split(wrapped_str, "\n");
if (!lines)
goto end;
/* Check whether total number of lines fits within
* the set limit */
if (lines->size <= line_ticker->max_lines)
{
strlcpy(line_ticker->s, wrapped_str, line_ticker->len);
success = true;
goto end;
}
/* Determine offset of first line in wrapped string */
switch (line_ticker->type_enum)
{
case TICKER_TYPE_LOOP:
{
menu_animation_line_ticker_loop(
line_ticker->idx,
line_ticker->line_width,
lines->size,
&line_offset);
break;
}
case TICKER_TYPE_BOUNCE:
default:
{
menu_animation_line_ticker_generic(
line_ticker->idx,
line_ticker->line_width,
line_ticker->max_lines,
lines->size,
&line_offset);
break;
}
}
/* Build output string from required lines */
for (i = 0; i < line_ticker->max_lines; i++)
{
size_t offset = i + line_offset;
size_t line_index = 0;
bool line_valid = true;
if (offset < lines->size)
line_index = offset;
else if (offset > lines->size)
line_index = (offset - 1) - lines->size;
else
line_valid = false;
if (line_valid)
strlcat(line_ticker->s, lines->elems[line_index].data, line_ticker->len);
if (i < line_ticker->max_lines - 1)
strlcat(line_ticker->s, "\n", line_ticker->len);
}
success = true;
is_active = true;
ticker_is_active = true;
end:
if (wrapped_str)
{
free(wrapped_str);
wrapped_str = NULL;
}
if (lines)
{
string_list_free(lines);
lines = NULL;
}
if (!success)
if (line_ticker->len > 0)
line_ticker->s[0] = '\0';
return is_active;
}
bool menu_animation_is_active(void)
{
return animation_is_active || ticker_is_active;
}
bool menu_animation_kill_by_tag(menu_animation_ctx_tag *tag)
{
unsigned i;
if (!tag || *tag == (uintptr_t)-1)
return false;
for (i = 0; i < da_count(anim.list); ++i)
{
struct tween *t = da_getptr(anim.list, i);
if (!t || t->tag != *tag)
continue;
if (anim.in_update)
{
t->deleted = true;
anim.pending_deletes = true;
}
else
{
da_delete(anim.list, i);
--i;
}
}
return true;
}
void menu_animation_kill_by_subject(menu_animation_ctx_subject_t *subject)
{
unsigned i, j, killed = 0;
float **sub = (float**)subject->data;
for (i = 0; i < da_count(anim.list) && killed < subject->count; ++i)
{
struct tween *t = da_getptr(anim.list, i);
if (!t)
continue;
for (j = 0; j < subject->count; ++j)
{
if (t->subject != sub[j])
continue;
if (anim.in_update)
{
t->deleted = true;
anim.pending_deletes = true;
}
else
{
da_delete(anim.list, i);
--i;
}
killed++;
break;
}
}
}
float menu_animation_get_delta_time(void)
{
return delta_time;
}
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 < da_count(anim.list); i++)
{
struct tween *t = da_getptr(anim.list, i);
if (!t)
continue;
if (t->subject)
t->subject = NULL;
}
da_free(anim.list);
da_free(anim.pending);
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;
ticker_is_active = false;
break;
case MENU_ANIMATION_CTL_SET_ACTIVE:
animation_is_active = true;
ticker_is_active = true;
break;
case MENU_ANIMATION_CTL_NONE:
default:
break;
}
return true;
}
void menu_timer_start(menu_timer_t *timer, menu_timer_ctx_entry_t *timer_entry)
{
menu_animation_ctx_entry_t entry;
menu_animation_ctx_tag tag = (uintptr_t) timer;
menu_timer_kill(timer);
*timer = 0.0f;
entry.easing_enum = EASING_LINEAR;
entry.tag = tag;
entry.duration = timer_entry->duration;
entry.target_value = 1.0f;
entry.subject = timer;
entry.cb = timer_entry->cb;
entry.userdata = timer_entry->userdata;
menu_animation_push(&entry);
}
void menu_timer_kill(menu_timer_t *timer)
{
menu_animation_ctx_tag tag = (uintptr_t) timer;
menu_animation_kill_by_tag(&tag);
}
uint64_t menu_animation_get_ticker_idx(void)
{
return ticker_idx;
}
uint64_t menu_animation_get_ticker_slow_idx(void)
{
return ticker_slow_idx;
}
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