/**
 * Copyright (c) 2025 Dominic Masters
 * 
 * This software is released under the MIT License.
 * https://opensource.org/licenses/MIT
 */

#include "rpg.h"
#include "entity/entity.h"
#include "rpg/overworld/map.h"
#include "rpg/cutscene/cutscenesystem.h"
#include "time/time.h"
#include "rpgcamera.h"
#include "rpgtextbox.h"
#include "util/memory.h"
#include "assert/assert.h"

errorret_t rpgInit(void) {
  memoryZero(ENTITIES, sizeof(ENTITIES));

  // Init cutscene subsystem
  cutsceneSystemInit();

  errorChain(mapInit());

  rpgCameraInit();
  rpgTextboxInit();

  // TEST: Create some entities.
  // uint8_t entIndex = entityGetAvailable();
  // assertTrue(entIndex != 0xFF, "No available entity slots!.");
  // entity_t *ent = &ENTITIES[entIndex];
  // entityInit(ent, ENTITY_TYPE_PLAYER);
  // RPG_CAMERA.mode = RPG_CAMERA_MODE_FOLLOW_ENTITY;
  // RPG_CAMERA.followEntity.followEntityId = ent->id;
  // ent->position.x = 2, ent->position.y = 2;

  // All Good!
  errorOk();
}

errorret_t rpgUpdate(void) {
  #if TIME_FIXED == 0
    if(TIME.dynamicUpdate) {
      errorOk();
    }
  #endif

  // TODO: Do not update if the scene is not the map scene?
  mapUpdate();

  // Update overworld ents.
  entity_t *ent = &ENTITIES[0];
  do {
    if(ent->type == ENTITY_TYPE_NULL) continue;
    entityUpdate(ent);
  } while(++ent < &ENTITIES[ENTITY_COUNT]);

  cutsceneSystemUpdate();
  errorChain(rpgCameraUpdate());
  errorOk();
}

void rpgDispose(void) {
  mapDispose();
}