AxibugEmuOnline/AxibugEmuOnline.Client/Assets/Script/NesEmulator/NesEmulator.cs

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using AxibugEmuOnline.Client.ClientCore;
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using System;
using System.IO;
using System.Xml.Linq;
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using UnityEngine;
using VirtualNes.Core;
using VirtualNes.Core.Debug;
namespace AxibugEmuOnline.Client
{
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public class NesEmulator : MonoBehaviour
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{
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public NES NesCore { get; private set; }
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public VideoProvider VideoProvider;
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public AudioProvider AudioProvider;
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private void Start()
{
Application.targetFrameRate = 60;
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VideoProvider.NesEmu = this;
AudioProvider.NesEmu = this;
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}
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public void StartGame(RomFile rom)
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{
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StopGame();
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Supporter.Setup(new CoreSupporter());
Debuger.Setup(new CoreDebuger());
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try
{
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NesCore = new NES(rom.FileName);
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}
catch (Exception ex)
{
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NesCore = null;
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Debug.LogError(ex);
}
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}
public void StopGame()
{
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NesCore?.Dispose();
NesCore = null;
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}
private void Update()
{
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if (NesCore != null)
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{
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var controlState = Supporter.GetControllerState();
NesCore.pad.Sync(controlState);
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NesCore.EmulateFrame(true);
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var screenBuffer = NesCore.ppu.GetScreenPtr();
var lineColorMode = NesCore.ppu.GetLineColorMode();
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VideoProvider.SetDrawData(screenBuffer, lineColorMode, 256, 240);
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}
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}
#if UNITY_EDITOR
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[ContextMenu("ImportNesDB")]
public void ImportNesDB()
{
var db = Resources.Load<RomDB>("NES/ROMDB");
db.Clear();
var xmlStr = File.ReadAllText("nes20db.xml");
var xml = XDocument.Parse(xmlStr);
var games = xml.Element("nes20db").Elements("game");
foreach (var game in games)
{
var crcStr = game.Element("rom").Attribute("crc32").Value;
var crc = uint.Parse($"{crcStr}", System.Globalization.NumberStyles.HexNumber);
var mapper = int.Parse($"{game.Element("pcb").Attribute("mapper").Value}");
if (mapper > 255) continue;
db.AddInfo(new RomDB.RomInfo { CRC = crc, Mapper = mapper });
}
UnityEditor.EditorUtility.SetDirty(db);
UnityEditor.AssetDatabase.SaveAssets();
}
#endif
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}
}