94 lines
3.2 KiB
C#
94 lines
3.2 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Drawing;
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using System.Data;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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using System.Runtime.InteropServices;
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namespace Mesen.GUI.Debugger.Controls
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{
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public partial class ctrlSpriteViewer : UserControl
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{
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private byte[] _spriteRam;
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public ctrlSpriteViewer()
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{
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InitializeComponent();
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}
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protected override void OnLoad(EventArgs e)
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{
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base.OnLoad(e);
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}
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public void RefreshViewer()
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{
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_spriteRam = InteropEmu.DebugGetMemoryState(DebugMemoryType.SpriteMemory);
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byte[] pixelData = InteropEmu.DebugGetSprites();
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GCHandle handle = GCHandle.Alloc(pixelData, GCHandleType.Pinned);
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try {
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Bitmap source = new Bitmap(64, 128, 4*64, System.Drawing.Imaging.PixelFormat.Format32bppArgb, handle.AddrOfPinnedObject());
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Bitmap target = new Bitmap(256, 512);
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using(Graphics g = Graphics.FromImage(target)) {
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g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.NearestNeighbor;
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g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.None;
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g.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.Half;
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g.DrawImage(source, new Rectangle(0, 0, 256, 512), new Rectangle(0, 0, 64, 128), GraphicsUnit.Pixel);
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}
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picSprites.Image = target;
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} finally {
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handle.Free();
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}
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}
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private void picSprites_MouseMove(object sender, MouseEventArgs e)
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{
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int tileX = Math.Min(e.X / 32, 31);
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int tileY = Math.Min(e.Y / 64, 63);
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int ramAddr = ((tileY << 3) + tileX) << 2;
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int spriteY = _spriteRam[ramAddr];
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int tileIndex = _spriteRam[ramAddr + 1];
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int attributes = _spriteRam[ramAddr + 2];
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int spriteX = _spriteRam[ramAddr + 3];
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DebugState state = new DebugState();
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InteropEmu.DebugGetState(ref state);
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int tileAddr;
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if(state.PPU.ControlFlags.LargeSprites != 0) {
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tileAddr = ((tileIndex & 0x01) == 0x01 ? 0x1000 : 0x0000) + ((tileIndex & 0xFE) << 4);
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} else {
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tileAddr = state.PPU.ControlFlags.SpritePatternAddr + (tileIndex << 4);
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}
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int paletteAddr = 0x3F10 + ((attributes & 0x03) << 2);
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bool verticalMirror = (attributes & 0x80) == 0x80;
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bool horizontalMirror = (attributes & 0x40) == 0x40;
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bool backgroundPriority = (attributes & 0x20) == 0x20;
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this.txtTileIndex.Text = tileIndex.ToString("X2");
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this.txtTileAddress.Text = tileAddr.ToString("X4");
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this.txtPosition.Text = spriteX.ToString() + ", " + spriteY.ToString();
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this.txtPaletteAddress.Text = paletteAddr.ToString("X4");
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this.chkVerticalMirroring.Checked = verticalMirror;
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this.chkHorizontalMirroring.Checked = horizontalMirror;
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this.chkBackgroundPriority.Checked = backgroundPriority;
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Bitmap tile = new Bitmap(64, 128);
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using(Graphics g = Graphics.FromImage(tile)) {
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g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.NearestNeighbor;
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g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.None;
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g.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.Half;
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g.DrawImage(((PictureBox)sender).Image, new Rectangle(0, 0, 64, 128), new Rectangle(tileX*32, tileY*64, 32, 64), GraphicsUnit.Pixel);
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}
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this.picTile.Image = tile;
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}
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}
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}
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