#ifndef _ESM_DEFS_H
#define _ESM_DEFS_H

#include "esm_reader.hpp"
#include "esm_writer.hpp"

namespace ESM
{

// Pixel color value. Standard four-byte rr,gg,bb,aa format.
typedef int32_t Color;

enum VarType
{
    VT_Unknown,
    VT_None,
    VT_Short,
    VT_Int,
    VT_Long,
    VT_Float,
    VT_String,
    VT_Ignored
};

enum Specialization
{
    SPC_Combat = 0,
    SPC_Magic = 1,
    SPC_Stealth = 2
};

enum RangeType
{
    RT_Self = 0,
    RT_Touch = 1,
    RT_Target = 2
};

/** A list of references to spells and spell effects. This is shared
 between the records BSGN, NPC and RACE.
 */
struct SpellList
{
    std::vector<std::string> list;

    void load(ESMReader &esm)
    {
        while (esm.isNextSub("NPCS"))
            list.push_back(esm.getHString());
    }
    void save(ESMWriter &esm)
    {
        for (std::vector<std::string>::iterator it = list.begin(); it != list.end(); ++it)
            esm.writeHNString("NPCS", *it);
    }
};

/** Defines a spell effect. Shared between SPEL (Spells), ALCH
 (Potions) and ENCH (Item enchantments) records
 */
#pragma pack(push)
#pragma pack(1)

// Position and rotation
struct Position
{
    float pos[3];
    float rot[3];
};

struct ENAMstruct
{
    // Magical effect, hard-coded ID
    short effectID;

    // Which skills/attributes are affected (for restore/drain spells
    // etc.)
    signed char skill, attribute; // -1 if N/A

    // Other spell parameters
    int range; // 0 - self, 1 - touch, 2 - target (RangeType enum)
    int area, duration, magnMin, magnMax;

    // Struct size should be 24 bytes
};
#pragma pack(pop)

struct EffectList
{
    std::vector<ENAMstruct> list;

    void load(ESMReader &esm)
    {
        ENAMstruct s;
        while (esm.isNextSub("ENAM"))
        {
            esm.getHT(s, 24);
            list.push_back(s);
        }
    }
    void save(ESMWriter &esm)
    {
        for (std::vector<ENAMstruct>::iterator it = list.begin(); it != list.end(); ++it)
        {
            esm.writeHNT<ENAMstruct>("ENAM", *it, 24);
        }
    }
};

}
#endif