100 lines
2.5 KiB
C
100 lines
2.5 KiB
C
//---
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// anim: Renderer's animations
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//
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// Animations in this engine are simply linked variants of sprites. Animated
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// images change over time, moving from frame to frame, and that's it.
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//---
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#pragma once
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#include <stdint.h>
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#include "fixed.h"
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#include <gint/display.h>
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typedef struct anim_frame
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{
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/* Sheet */
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bopti_image_t const *sheet;
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/* Box for the frame within the sheet */
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uint8_t x, y, w, h;
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/* Position of center for this frame */
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int8_t cx, cy;
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/* Duration of the frame (ms) */
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uint16_t duration;
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/* Next frame */
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struct anim_frame *next;
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} anim_frame_t;
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typedef struct
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{
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/* Number of directions
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1: Basic sprite
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2: LEFT and RIGHT (enemies)
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4: UP, RIGHT, DOWN and LEFT (player, some attacks) */
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int directions;
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/* First frame for each direction */
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anim_frame_t *start[];
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} anim_t;
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typedef struct
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{
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/* Current frame */
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anim_frame_t const *frame;
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/* Time elapsed */
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uint16_t elapsed;
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} anim_state_t;
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/* Duration of an animation, in seconds; assumed unique for all directions */
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fixed_t anim_duration(anim_t const *anim);
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/* Check if a frame is in an animation. */
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bool anim_in(anim_frame_t const *frame, anim_t const *anim, int index);
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/* Render a frame at the center position (x,y). */
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void anim_frame_render(int x, int y, anim_frame_t const *frame);
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/* Update an animation to next frame. */
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void anim_state_update(anim_state_t *state, fixed_t dt);
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/* List of animations. */
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/* Basic skills */
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extern anim_t anims_skill_hit;
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extern anim_t anims_skill_projectile;
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extern anim_t anims_skill_teleport;
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extern anim_t anims_skill_shock;
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extern anim_t anims_skill_judgement;
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/* Directional skills */
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extern anim_t anims_skill_swing;
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extern anim_t anims_skill_impale;
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extern anim_t anims_skill_bullet;
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/* Enemies */
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extern anim_t anims_slime_Idle;
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extern anim_t anims_slime_Walking;
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extern anim_t anims_slime_Hit;
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extern anim_t anims_slime_Death;
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extern anim_t anims_bat_Idle;
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extern anim_t anims_bat_Hit;
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extern anim_t anims_bat_Death;
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extern anim_t anims_gunslinger_Idle;
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extern anim_t anims_gunslinger_Walking;
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extern anim_t anims_gunslinger_Reloading;
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extern anim_t anims_gunslinger_Fire;
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extern anim_t anims_gunslinger_Hit;
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extern anim_t anims_gunslinger_Death;
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extern anim_t anims_fire_slime_Idle;
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extern anim_t anims_fire_slime_Walking;
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extern anim_t anims_fire_slime_Hit;
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extern anim_t anims_fire_slime_Death;
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/* Player */
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extern anim_t anims_player_Idle;
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extern anim_t anims_player_Walking;
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extern anim_t anims_player_Attack;
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extern anim_t anims_player_Hit;
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