#include "Character.h"

// Pixels * 60 / sec
const float Character::CHARACTER_SPEED = 3.5f;

static list<Character*>collisionList;
static list<Character*>::iterator collisionIter;

Character::Character(LevelGen* mapArg) {
	map = mapArg;
	attacking = false;
	directionFacing = FACING_DOWN;
	_animationStage  = ANIM_NO_FOOT;
	_animationTimer.Start();
	_leftFoot = false;
	_health = 100;

  x = 0;
  y = 0;
	w = 40;
  h = 45;
  xVel = 0.0f;
	yVel = 0.0f;
  
	_texture = NULL;

	collisionList.push_front(this);

	_healthBar.SetBackgroundRGB(0, 0, 0);
	_healthBar.SetForegroundRGB(255, 0, 0);

	_showHealthBar = false;
}

Character::~Character(void) {
	SDL_FreeSurface(_texture);
	for(collisionIter = collisionList.begin(); collisionIter != collisionList.end(); collisionIter++) {
		if((*collisionIter) == this) {
			collisionList.erase(collisionIter);
			break;
		}
	}
}

void Character::LoadSprites(string filename, int wArg, int hArg) {
	if(_texture != NULL)
		SDL_FreeSurface(_texture);

	_texture = LoadImageAlpha(filename.c_str());

	w = (float)wArg;
	h = (float)hArg;

	for(int m_direction = 0; m_direction < 4; m_direction++) {
		for(int m_action = 0; m_action < 4; m_action++) {
			_sprites[m_direction][m_action].x = (Sint16)(w * m_action);
			_sprites[m_direction][m_action].y = (Sint16)(h * m_direction);
			_sprites[m_direction][m_action].w = (Sint16)w;
			_sprites[m_direction][m_action].h = (Sint16)h;
		}
	}

	_healthBar.SetWidthHeight((int)w, 10);
}

void Character::Render(void) {
	if(attacking && attackTimer.GetTicks() < ATTACKING_DISPLAY_LEN) {
		ApplySurface((int)x, (int)y, _texture, screen, &_sprites[directionFacing][ANIM_ATTACK]);
		return;
	}
	else if(attacking)
		attacking = false;

	if(xVel == 0.0f && yVel == 0.0f)
		ApplySurface((int)x, (int)y, _texture, screen, &_sprites[directionFacing][ANIM_NO_FOOT]);
	else {
		if(_animationTimer.GetTicks() > ANIMATION_SPEED) {
			if(_animationStage == ANIM_NO_FOOT) {
				if(_leftFoot == true)
					_animationStage = ANIM_RIGHT_FOOT;
				else
					_animationStage = ANIM_LEFT_FOOT;
			}
			else if(_animationStage == ANIM_LEFT_FOOT) {
				_animationStage = ANIM_NO_FOOT;
				_leftFoot = true;
			}
			else if(_animationStage == ANIM_RIGHT_FOOT) {
				_animationStage = ANIM_NO_FOOT;
				_leftFoot = false;
			}
			_animationTimer.Start();
		}
		ApplySurface((int)x, (int)y, _texture, screen, &_sprites[directionFacing][_animationStage]);
	}

	if(_showHealthBar && (_healthBarDuration.GetTicks() >= 5000)) {
		_healthBarDuration.Stop();
		_showHealthBar = false;
	}

	if(_showHealthBar) {
		_healthBar.Draw();
	}
}

void Character::Update(void) {
	_healthBar.SetProgress((float)_health / 100.0f);
}

void Character::OnAttack(void) {
	_healthBarDuration.Start();
	_showHealthBar = true;
}

void Character::HealthBarScroll(void) {
	_healthBar.SetXY((int)x, (int)(y - _healthBar.GetHeight() - 5));
}