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

#pragma once
#include "rpg/world/worldpos.hpp"

typedef enum {
  RPG_CAMERA_MODE_FREE,
  RPG_CAMERA_MODE_FOLLOW_ENTITY,
} rpgcameramode_t;

typedef struct {
  rpgcameramode_t mode;

  union {
    worldpos_t free;
    struct {
      uint8_t followEntityId;
    } followEntity;
  };
} rpgcamera_t;

extern rpgcamera_t RPG_CAMERA;

/**
 * Initializes the RPG camera.
 */
void rpgCameraInit(void);

/**
 * Updates the RPG camera.
 * 
 * @throws std::runtime_error if map position setting fails.
 */
void rpgCameraUpdate(void);