kraken/kraken/KRHelpers.cpp

//
//  KRHelpers.cpp
//  Kraken Engine
//
//  Copyright 2025 Kearwood Gilbert. All rights reserved.
//  
//  Redistribution and use in source and binary forms, with or without modification, are
//  permitted provided that the following conditions are met:
//  
//  1. Redistributions of source code must retain the above copyright notice, this list of
//  conditions and the following disclaimer.
//  
//  2. Redistributions in binary form must reproduce the above copyright notice, this list
//  of conditions and the following disclaimer in the documentation and/or other materials
//  provided with the distribution.
//  
//  THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''AS IS'' AND ANY EXPRESS OR IMPLIED
//  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
//  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KEARWOOD GILBERT OR
//  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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//  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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//

#include "KREngine-common.h"

#include "KRHelpers.h"

using namespace hydra;

namespace kraken {

void setXMLAttribute(const std::string& base_name, tinyxml2::XMLElement* e, const Vector3& value, const Vector3& default_value)
{
  // TODO - Increase number of digits after the decimal in floating point format (6 -> 12?)
  // FINDME, TODO - This needs optimization...
  if (value != default_value) {
    e->SetAttribute((base_name + "_x").c_str(), value.x);
    e->SetAttribute((base_name + "_y").c_str(), value.y);
    e->SetAttribute((base_name + "_z").c_str(), value.z);
  }
}

const Vector3 getXMLAttribute(const std::string& base_name, tinyxml2::XMLElement* e, const Vector3& default_value)
{
  Vector3 value;
  if (e->QueryFloatAttribute((base_name + "_x").c_str(), &value.x) == tinyxml2::XML_SUCCESS
    && e->QueryFloatAttribute((base_name + "_y").c_str(), &value.y) == tinyxml2::XML_SUCCESS
    && e->QueryFloatAttribute((base_name + "_z").c_str(), &value.z) == tinyxml2::XML_SUCCESS) {
    return value;
  } else {
    return default_value;
  }
}

void setXMLAttribute(const std::string& base_name, tinyxml2::XMLElement* e, const AABB& value, const AABB& default_value)
{
  // TODO - Increase number of digits after the decimal in floating point format (6 -> 12?)
  // FINDME, TODO - This needs optimization...
  if (value != default_value) {
    e->SetAttribute((base_name + "_min_x").c_str(), value.min.x);
    e->SetAttribute((base_name + "_min_y").c_str(), value.min.y);
    e->SetAttribute((base_name + "_min_z").c_str(), value.min.z);

    e->SetAttribute((base_name + "_max_x").c_str(), value.max.x);
    e->SetAttribute((base_name + "_max_y").c_str(), value.max.y);
    e->SetAttribute((base_name + "_max_z").c_str(), value.max.z);
  }
}

const AABB getXMLAttribute(const std::string& base_name, tinyxml2::XMLElement* e, const AABB& default_value)
{
  AABB value;
  if (e->QueryFloatAttribute((base_name + "_min_x").c_str(), &value.min.x) == tinyxml2::XML_SUCCESS
    && e->QueryFloatAttribute((base_name + "_min_y").c_str(), &value.min.y) == tinyxml2::XML_SUCCESS
    && e->QueryFloatAttribute((base_name + "_min_z").c_str(), &value.min.z) == tinyxml2::XML_SUCCESS
    && e->QueryFloatAttribute((base_name + "_max_x").c_str(), &value.max.x) == tinyxml2::XML_SUCCESS
    && e->QueryFloatAttribute((base_name + "_max_y").c_str(), &value.max.y) == tinyxml2::XML_SUCCESS
    && e->QueryFloatAttribute((base_name + "_max_z").c_str(), &value.max.z) == tinyxml2::XML_SUCCESS) {
    return value;
  } else {
    return default_value;
  }
}

} // namespace kraken