worldscripts.cpp

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/*
  * Copyright 2020 Twilight
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *   http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
*/

#include <string.h>
 
#include "./worldscripts.h"
#include "../../savefile.h"
#include "../../savefiletoolset.h"
#include "../../savefileiterator.h"
#include <pse-db/scripts.h>
 
WorldScripts::WorldScripts(SaveFile* saveFile)
{
  load(saveFile);
}
 
WorldScripts::~WorldScripts() {}
 
void WorldScripts::load(SaveFile* saveFile)
{
  if(saveFile == nullptr)
    return reset();
 
  auto it = saveFile->iterator()->offsetTo(0x289C);
 
  for(auto scriptEntry : ScriptsDB::inst()->getStore()) {
    var16 val;
 
    if(scriptEntry->size == 1)
      val = it->getByte();
    else
      val = it->getWord();
 
    curScripts[scriptEntry->ind] = val;
 
    if(scriptEntry->skip)
      it->skipPadding(*scriptEntry->skip);
  }
 
  curScriptsChanged();
 
  delete it;
}
 
void WorldScripts::save(SaveFile* saveFile)
{
  auto it = saveFile->iterator()->offsetTo(0x289C);
 
  for(auto scriptEntry : ScriptsDB::inst()->getStore()) {
    var16 val = curScripts[scriptEntry->ind];
 
    if(scriptEntry->size == 1)
      it->setByte(val);
    else
      it->setWord(val);
 
    if(scriptEntry->skip)
      it->skipPadding(*scriptEntry->skip);
  }
 
  delete it;
}
 
int WorldScripts::scriptsCount()
{
  return scriptCount;
}
 
int WorldScripts::scriptsAt(int ind)
{
  return curScripts[ind];
}
 
void WorldScripts::scriptsSet(int ind, int val)
{
  curScripts[ind] = val;
  curScriptsChanged();
}
 
void WorldScripts::reset()
{
  memset(curScripts, 0, static_cast<size_t>(scriptCount) * 2); // 2 * 8-bit widths
  curScriptsChanged();
}
 
// We want the player to start from the beginning
void WorldScripts::randomize()
{
  reset();
}