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119 lines
2.7 KiB
119 lines
2.7 KiB
#include "actor.h"
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#include <stddef.h>
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#include "sdk/oam.h"
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#include "util.h"
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#define MAX_UNIQUE_MOBS 3
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#define MAX_ACTORS 5
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#define NUM_OAM_ENTRIES 40
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#define TILE_WIDTH 8
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static uint8_t mob_ids[MAX_UNIQUE_MOBS];
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static sprite16_mob mob_anim_data[MAX_UNIQUE_MOBS];
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static sprite16_player player_anim_data;
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static actor_t all_actors[MAX_ACTORS];
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static uint8_t actor_load_mob_anim_data(uint8_t mob_id);
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void actor_reset(void) {
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for (uint8_t i = 0; i < ARRSIZE(mob_ids); ++i) {
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mob_ids[i] = 0xff;
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}
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for (uint8_t i = 0; i < ARRSIZE(all_actors); ++i) {
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all_actors[i].active = 0;
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}
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}
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actor_t *actor_create_mob(uint8_t id) {
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uint8_t mob_anim_idx = actor_load_mob_anim_data(id);
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if (mob_anim_idx == 0xff) {
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return NULL;
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}
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actor_t *a = NULL;
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for (uint8_t i = 0; i < ARRSIZE(all_actors); ++i) {
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if (all_actors[i].active) {
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continue;
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}
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a = &all_actors[i];
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a->active = 1;
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a->mob_anim_idx = mob_anim_idx;
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a->anim = ANIM_STAND;
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a->frame_idx = 0;
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a->frame_counter = 0;
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break;
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}
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return a;
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}
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void actor_remove(actor_t *a) { a->active = 0; }
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void actor_flush_oam(void) {
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struct oam_entry *oam_ptr = &shadow_oam[0];
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actor_t *a = &all_actors[0];
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for (uint8_t i = 0; i < ARRSIZE(all_actors); ++i) {
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if (!a->active) {
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continue;
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}
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uint8_t *anim_ptr = mob_anim_data[a->mob_anim_idx].anims[a->anim];
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anim_ptr += a->frame_idx * 4;
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oam_ptr->y = a->y;
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oam_ptr->x = a->x;
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oam_ptr->tile = *anim_ptr++;
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oam_ptr->attr = 0;
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oam_ptr++;
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oam_ptr->y = a->y;
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oam_ptr->x = a->x + TILE_WIDTH;
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oam_ptr->tile = *anim_ptr++;
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oam_ptr->attr = 0;
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oam_ptr++;
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oam_ptr->y = a->y + TILE_WIDTH;
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oam_ptr->x = a->x;
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oam_ptr->tile = *anim_ptr++;
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oam_ptr->attr = 0;
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oam_ptr++;
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oam_ptr->y = a->y + TILE_WIDTH;
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oam_ptr->x = a->x + TILE_WIDTH;
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oam_ptr->tile = *anim_ptr++;
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oam_ptr->attr = 0;
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oam_ptr++;
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a++;
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}
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}
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static uint8_t actor_load_mob_anim_data(uint8_t mob_id) {
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uint8_t mob_anim_idx = 0xff;
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for (uint8_t i = 0; i < ARRSIZE(mob_ids); ++i) {
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if (mob_ids[i] == mob_id) {
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mob_anim_idx = i;
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break;
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}
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}
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if (mob_anim_idx == 0xff) {
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for (uint8_t i = 0; i < ARRSIZE(mob_ids); ++i) {
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if (mob_ids[i] == 0xff) {
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mob_ids[i] = mob_id;
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// TODO: Load data into mob_anim_data[i]
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mob_anim_idx = i;
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break;
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}
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}
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}
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return mob_anim_idx;
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}
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