68 lines
2.0 KiB
C#
68 lines
2.0 KiB
C#
using AxibugEmuOnline.Client.Assets.Script.NesEmulator;
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using System;
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using System.Runtime.InteropServices;
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using UnityEngine;
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using UnityEngine.UI;
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using VirtualNes.Core;
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namespace AxibugEmuOnline.Client
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{
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public class VideoProvider : MonoBehaviour
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{
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public RawImage Image;
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private UInt32[] wrapTexBuffer;
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private IntPtr wrapTexBufferPointer;
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private Texture2D wrapTex;
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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)
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{
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wrapTex = new Texture2D(screenWidth, screenHeight, TextureFormat.BGRA32, false);
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wrapTexBuffer = new UInt32[screenWidth * screenHeight];
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// 固定数组，防止垃圾回收器移动它
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GCHandle handle = GCHandle.Alloc(wrapTexBuffer, GCHandleType.Pinned);
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// 获取数组的指针
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wrapTexBufferPointer = handle.AddrOfPinnedObject();
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Image.texture = wrapTex;
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pPal = PaletteDefine.m_cnPalette[0];
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TexBufferSize = wrapTexBuffer.Length * 4;
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}
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int pScn = 0;
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int width;
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var Dst = wrapTexBuffer;
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var pDst = 0;
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for (int line = 0; line < screenHeight; line++)
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{
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width = screenWidth;
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while (width > 0)
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{
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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];
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Dst[pDst] = 0xFF000000 | colorData;
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pScn += 1;
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pDst += 1;
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width -= 1;
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}
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pScn += 16;// PPU.SCREEN_WIDTH - screenWidth;
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}
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wrapTex.LoadRawTextureData(wrapTexBufferPointer, TexBufferSize);
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wrapTex.Apply();
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}
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}
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}
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