/*
Copyright (C) 2010-2017 - Lugaru contributors (see AUTHORS file)

This file is part of Lugaru.

Lugaru is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

Lugaru is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Lugaru.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef _ANIMATION_HPP_
#define _ANIMATION_HPP_

#include "Math/XYZ.hpp"

#include <vector>

enum anim_attack_type
{
    neutral,
    normalattack,
    reversed,
    reversal
};

enum anim_height_type
{
    lowheight,
    middleheight,
    highheight
};

enum animation_type
{
#define DECLARE_ANIM(id, ...) id,
#include "Animation.def"
#undef DECLARE_ANIM
    animation_count
};

enum animation_bit_offsets
{
#define DECLARE_ANIM_BIT(bit) o_##bit,
#include "Animation.def"
#undef DECLARE_ANIM_BIT
    animation_bit_count
};

enum animation_bits_def
{
#define DECLARE_ANIM_BIT(bit) bit = 1 << o_##bit,
#include "Animation.def"
#undef DECLARE_ANIM_BIT
};

static const int animation_bits[animation_count] = {
#define DECLARE_ANIM(id, name, height, type, bits) bits,
#include "Animation.def"
#undef DECLARE_ANIM
};

struct AnimationFrameJointInfo
{
    XYZ position;
    float twist;
    float twist2;
    bool onground;
};

struct AnimationFrame
{
    void loadBaseInfo(FILE* tfile);
    void loadTwist2(FILE* tfile);
    void loadLabel(FILE* tfile);
    void loadWeaponTarget(FILE* tfile);

    std::vector<AnimationFrameJointInfo> joints;
    XYZ forward;
    int label;
    XYZ weapontarget;
    float speed;
};

class Animation
{
public:
    static std::vector<Animation> animations;
    static void loadAll();

    anim_height_type height;
    anim_attack_type attack;
    int numjoints;

    std::vector<AnimationFrame> frames;

    XYZ offset;

    Animation();
    Animation(const std::string& fileName, anim_height_type aheight, anim_attack_type aattack);
};
#endif