55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
/*
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* This software is licensed under the terms of the MIT-License
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* See COPYING for further information.
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* ---
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* Copyright (c) 2011-2017, Lukas Weber <laochailan@web.de>.
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* Copyright (c) 2012-2017, Andrei Alexeyev <akari@alienslab.net>.
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*/
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#pragma once
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/*
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* This is a helper to play animations. It saves the state of the animation and
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* allows queueing different animation sequences.
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*/
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#include "resource/animation.h"
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typedef struct AniSequence AniSequence;
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struct AniSequence{
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struct AniSequence *next;
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struct AniSequence *prev;
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int row;
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int duration; // number of frames this sequence will be drawn
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int clock;
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int delay; // after the sequence has played loops times before the next one is started.
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int speed; // overrides ani->speed if > 0
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bool mirrored;
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bool backwards;
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};
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typedef struct {
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Animation *ani;
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int clock;
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int stdrow; // this is the row rendered when the queue is empty
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bool mirrored;
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AniSequence *queue;
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int queuesize;
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} AniPlayer;
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void aniplayer_create(AniPlayer *plr, Animation *ani);
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AniPlayer* aniplayer_create_copy(AniPlayer *src);
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void aniplayer_free(AniPlayer *plr);
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void aniplayer_reset(AniPlayer *plr); // resets to a neutral state with empty queue.
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void aniplayer_copy(AniPlayer *dst, AniPlayer *src);
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AniSequence *aniplayer_queue(AniPlayer *plr, int row, int loops, int delay); // 0 loops: played one time
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AniSequence *aniplayer_queue_pro(AniPlayer *plr, int row, int start, int duration, int delay, int speed); // self-documenting pro version
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void aniplayer_update(AniPlayer *plr); // makes the inner clocks tick
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void aniplayer_play(AniPlayer *plr, float x, float y);
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void play_animation(Animation *ani, float x, float y, int row); // the old way to draw animations without AniPlayer
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