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

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using AxibugEmuOnline.Client.Assets.Script.NesEmulator;
using System;
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using System.Runtime.InteropServices;
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using UnityEngine;
using UnityEngine.UI;
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using VirtualNes.Core;
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namespace AxibugEmuOnline.Client
{
public class VideoProvider : MonoBehaviour
{
public RawImage Image;
private UInt32[] wrapTexBuffer;
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private IntPtr wrapTexBufferPointer;
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private Texture2D wrapTex;
private int TexBufferSize;
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private uint[] pPal;
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public void SetDrawData(byte[] screenData, byte[] lineColorMode, int screenWidth, int screenHeight)
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{
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if (wrapTex == null)
{
wrapTex = new Texture2D(screenWidth, screenHeight, TextureFormat.BGRA32, false);
wrapTexBuffer = new UInt32[screenWidth * screenHeight];
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// <20>̶<EFBFBD><CCB6><EFBFBD><EFBFBD><EFBFBD><E9A3AC>ֹ<EFBFBD><D6B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƶ<EFBFBD><C6B6><EFBFBD>
GCHandle handle = GCHandle.Alloc(wrapTexBuffer, GCHandleType.Pinned);
// <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8>
wrapTexBufferPointer = handle.AddrOfPinnedObject();
Image.texture = wrapTex;
pPal = PaletteDefine.m_cnPalette[0];
TexBufferSize = wrapTexBuffer.Length * 4;
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}
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int pScn = 0;
int width;
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var Dst = wrapTexBuffer;
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var pDst = 0;
for (int line = 0; line < screenHeight; line++)
{
width = screenWidth;
while (width > 0)
{
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var edx = screenData[pScn + 8];
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int index = edx & 0xFF;
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var colorData = pPal[index];
Dst[pDst] = 0xFF000000 | colorData;
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pScn += 1;
pDst += 1;
width -= 1;
}
pScn += 16;// PPU.SCREEN_WIDTH - screenWidth;
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}
wrapTex.LoadRawTextureData(wrapTexBufferPointer, TexBufferSize);
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wrapTex.Apply();
}
}
}