mirror of
https://github.com/libretro/RetroArch.git
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124 lines
3.0 KiB
C
124 lines
3.0 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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#ifndef _MENU_ANIMATION_H
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#define _MENU_ANIMATION_H
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#include <stdint.h>
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#include <stdlib.h>
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#include <boolean.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef float (*easingFunc)(float, float, float, float);
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typedef void (*tween_cb) (void);
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struct tween
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{
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int alive;
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float duration;
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float running_since;
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float initial_value;
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float target_value;
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float* subject;
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easingFunc easing;
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tween_cb cb;
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};
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typedef struct animation
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{
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struct tween *list;
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size_t capacity;
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size_t size;
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} animation_t;
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enum animation_easing_type
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{
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/* Linear */
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EASING_LINEAR = 0,
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/* Quad */
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EASING_IN_QUAD,
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EASING_OUT_QUAD,
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EASING_IN_OUT_QUAD,
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EASING_OUT_IN_QUAD,
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/* Cubic */
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EASING_IN_CUBIC,
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EASING_OUT_CUBIC,
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EASING_IN_OUT_CUBIC,
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EASING_OUT_IN_CUBIC,
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/* Quart */
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EASING_IN_QUART,
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EASING_OUT_QUART,
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EASING_IN_OUT_QUART,
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EASING_OUT_IN_QUART,
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/* Quint */
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EASING_IN_QUINT,
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EASING_OUT_QUINT,
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EASING_IN_OUT_QUINT,
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EASING_OUT_IN_QUINT,
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/* Sine */
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EASING_IN_SINE,
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EASING_OUT_SINE,
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EASING_IN_OUT_SINE,
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EASING_OUT_IN_SINE,
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/* Expo */
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EASING_IN_EXPO,
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EASING_OUT_EXPO,
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EASING_IN_OUT_EXPO,
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EASING_OUT_IN_EXPO,
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/* Circ */
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EASING_IN_CIRC,
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EASING_OUT_CIRC,
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EASING_IN_OUT_CIRC,
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EASING_OUT_IN_CIRC,
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/* Bounce */
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EASING_IN_BOUNCE,
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EASING_OUT_BOUNCE,
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EASING_IN_OUT_BOUNCE,
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EASING_OUT_IN_BOUNCE,
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};
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void menu_animation_free(animation_t *animation);
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bool menu_animation_push(animation_t *animation, float duration,
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float target_value, float* subject,
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enum animation_easing_type easing_enum, tween_cb cb);
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bool menu_animation_update(animation_t *animation, float dt);
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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, uint64_t tick,
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const char *str, bool selected);
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#ifdef __cplusplus
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}
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#endif
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#endif
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