map_objects.cpp

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//            Copyright (C) 2004-2007 by The Allacrost Project
//                         All Rights Reserved
//
// This code is licensed under the GNU GPL version 2. It is free software
// and you may modify it and/or redistribute it under the terms of this license.
// See http://www.gnu.org/copyleft/gpl.html for details.

#include "utils.h"
#include "map.h"
#include "map_objects.h"
#include "map_dialogue.h"
#include "map_actions.h"

#include "audio.h"
#include "video.h"
#include "script.h"
#include "system.h"
#include "global.h"

using namespace std;
using namespace hoa_utils;
using namespace hoa_audio;
using namespace hoa_video;
using namespace hoa_script;
using namespace hoa_system;
using namespace hoa_global;

namespace hoa_map {

namespace private_map {


// *****************************************************************************
// ************************ MapObject Class Functions **************************
// *****************************************************************************

MapObject::MapObject() :
  object_id(-1),
  context(-1),
  x_position(-1),
  y_position(-1),
  x_offset(0.0f),
  y_offset(0.0f),
  img_half_width(0.0f),
  img_height(0.0f),
  coll_half_width(0.0f),
  coll_height(0.0f),
  updatable(true),
  visible(true),
  no_collision(false),
  draw_on_second_pass(false)
{}



bool MapObject::DrawHelper() {
  if (visible == false)
    return false;

  // Store the full x and y position coordinates of the sprite in a single pair of variables
  float x_pos = static_cast<float>(x_position) + x_offset;
  float y_pos = static_cast<float>(y_position) + y_offset;

  // ---------- (1) Determine if the sprite is off-screen and if so, don't draw it.

  if (x_pos + img_half_width < MapMode::_current_map->_draw_info.left_edge  ||
    x_pos - img_half_width > MapMode::_current_map->_draw_info.right_edge ||
    y_pos - img_height > MapMode::_current_map->_draw_info.bottom_edge    ||
    y_pos < MapMode::_current_map->_draw_info.top_edge) {
    return false;
  }

  // ---------- (2) Calculate the drawing coordinates and move the drawing cursor

  VideoManager->Move(x_pos - MapMode::_current_map->_draw_info.left_edge, y_pos - MapMode::_current_map->_draw_info.top_edge);
  return true;
} // bool MapObject::DrawHelper()

// ****************************************************************************
// ********************* PhysicalObject Class Functions ***********************
// ****************************************************************************

PhysicalObject::PhysicalObject() :
  current_animation(0)
{
  MapObject::_object_type = PHYSICAL_TYPE;
}



PhysicalObject::~PhysicalObject() {
  animations.clear();
}



void PhysicalObject::Update() {
  if (updatable)
    animations[current_animation].Update();
}



void PhysicalObject::Draw() {
  if (MapObject::DrawHelper() == true)
    VideoManager->DrawImage(animations[current_animation]);
}

} // namespace private_map

} // namespace hoa_map

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