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/*
* Nestopia UE
*
* Copyright (C) 2012-2018 R. Danbrook
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*
*/
#include <cstdlib>
#include <iostream>
#include <fstream>
#include "cheats.h"
extern Emulator emulator;
void nst_cheats_init(const char *cheatpath) {
// Initialize cheat engine
Cheats cheats(emulator);
Xml xml;
cheats.ClearCodes();
std::ifstream cheatfile(cheatpath, std::ifstream::in|std::ifstream::binary);
if (cheatfile.is_open()) {
xml.Read(cheatfile);
if (xml.GetRoot().IsType(L"cheats")) {
Xml::Node root(xml.GetRoot());
Xml::Node node(root.GetFirstChild());
for (int i = 0; i < root.NumChildren(L"cheat"); i++) {
if (node.GetAttribute(L"enabled").IsValue(L"1")) {
if (node.GetChild(L"genie")) { // Game Genie
nst_cheats_code_gg_add(node.GetChild(L"genie").GetValue());
}
else if (node.GetChild(L"rocky")) { // Pro Action Rocky
nst_cheats_code_par_add(node.GetChild(L"rocky").GetValue());
}
else if (node.GetChild(L"address")) { // Raw
nst_cheats_code_raw_add(node);
}
//fprintf(stderr, "Cheat: %ls\n", node.GetChild(L"description").GetValue());
}
node = node.GetNextSibling();
}
}
cheatfile.close();
}
}
/*void nst_cheats_list() {
// List the active cheats
Cheats cheats(emulator);
Cheats::Code code;
char gg[9];
for (int i = 0; i < cheats.NumCodes(); i++) {
cheats.GetCode(i, code);
cheats.GameGenieEncode(code, gg);
fprintf(stderr, "Cheat: %s\n", gg);
}
}*/
void nst_cheats_code_gg_add(const wchar_t *data) {
// Add a Game Genie code
Cheats cheats(emulator);
Cheats::Code code;
char gg[9];
wcstombs(gg, data, sizeof(gg));
cheats.GameGenieDecode(gg, code);
cheats.SetCode(code);
}
void nst_cheats_code_par_add(const wchar_t *data) {
// Add a Pro Action Rocky code
Cheats cheats(emulator);
Cheats::Code code;
char par[9];
wcstombs(par, data, sizeof(par));
cheats.ProActionRockyDecode(par, code);
cheats.SetCode(code);
}
void nst_cheats_code_raw_add(Xml::Node node) {
// Add a Raw code
Cheats cheats(emulator);
Cheats::Code code;
code.useCompare = false;
code.address = node.GetChild(L"address").GetUnsignedValue();
if (node.GetChild(L"value")) {
code.value = node.GetChild(L"value").GetUnsignedValue();
}
if (node.GetChild(L"compare")) {
code.compare = node.GetChild(L"compare").GetUnsignedValue();
code.useCompare = true;
}
cheats.SetCode(code);
}
// DIP Switches
void nst_dip_handle(const char *dippath) {
// Handle the DIP switch file
DipSwitches dipswitches(emulator);
Xml xml;
std::ifstream dipfile(dippath, std::ifstream::in|std::ifstream::binary);
if (dipfile.is_open()) {
xml.Read(dipfile);
if (xml.GetRoot().IsType(L"dipswitches")) {
Xml::Node root(xml.GetRoot());
Xml::Node node(root.GetFirstChild());
for (int i = 0; i < root.NumChildren(L"dip"); i++) {
if (node.GetChild(L"value")) {
dipswitches.SetValue(i, node.GetChild(L"value").GetUnsignedValue());
}
node = node.GetNextSibling();
}
}
dipfile.close();
}
else {
Xml::Node root(xml.GetRoot());
root = xml.Create(L"dipswitches");
root.AddAttribute(L"version", L"1.0");
wchar_t wbuf[32];
char buf[2];
int numdips = dipswitches.NumDips();
if (numdips > 0) {
for (int i = 0; i < numdips; i++) {
Xml::Node node(root.AddChild(L"dip"));
mbstowcs(wbuf, dipswitches.GetDipName(i), sizeof(wbuf));
node.AddChild(L"description", wbuf);
snprintf(buf, sizeof(buf), "%d", dipswitches.GetValue(i));
mbstowcs(wbuf, buf, sizeof(buf));
node.AddChild(L"value", wbuf);
}
}
std::ofstream dipout(dippath, std::ifstream::out|std::ifstream::binary);
if (dipout.is_open()) {
xml.Write(root, dipout);
}
dipout.close();
}
}
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