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Merge pull request #202 from ogamespec/main
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FormComponentViewer
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@ogamespec
ogamespec authored Jun 21, 2022
2 parents 1ba47fe + 8dd3730 commit 183c8f5
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Showing 12 changed files with 489 additions and 7 deletions.
104 changes: 104 additions & 0 deletions BreaksPPU/PPUPlayer/FormComponentViewer.Designer.cs
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217 changes: 217 additions & 0 deletions BreaksPPU/PPUPlayer/FormComponentViewer.cs
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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

using System.IO;
using System.Runtime.InteropServices;

namespace PPUPlayer
{
public partial class FormComponentViewer : Form
{
PPUPlayerInterop.VideoSignalFeatures ppu_features;
int SamplesPerScan;

PPUPlayerInterop.VideoOutSample[]? ScanBuffer;
int WritePtr = 0;
bool SyncFound = false;
int SyncPos = -1;

Color[] field = new Color[256 * 240];
int CurrentScan = 0;
List<Bitmap> fields = new List<Bitmap>();

public FormComponentViewer(string filename)
{
InitializeComponent();

// Load the Logisim dump

string text = File.ReadAllText(filename);
UInt32[] dump = LogisimHEXConv.HEXToUIntArray(text);

// Process the dump field by field and fill the ComboBox and PictureView.

ResetVisualize();

comboBox1.Items.Clear();

for (int i = 0; i < dump.Length; i++)
{
PPUPlayerInterop.VideoOutSample sample = new();

sample.RED = (byte)(dump[i] & 0xff);
sample.GREEN = (byte)((dump[i] >> 8) & 0xff);
sample.BLUE = (byte)((dump[i] >> 16) & 0xff);
sample.nSYNC = (byte)((dump[i] >> 24) & 0xff);

ProcessSample(sample);
}

if (fields.Count != 0)
{
ShowField(0);
}
else
{
AddField();
Console.WriteLine("Added partial field.");
ShowField(0);
}
}

void ResetVisualize()
{
PPUPlayerInterop.GetSignalFeatures(out ppu_features);

SamplesPerScan = ppu_features.PixelsPerScan * ppu_features.SamplesPerPCLK;
ScanBuffer = new PPUPlayerInterop.VideoOutSample[2 * SamplesPerScan];
WritePtr = 0;

SyncFound = false;
SyncPos = -1;
CurrentScan = 0;
}

void ProcessSample(PPUPlayerInterop.VideoOutSample sample)
{
ScanBuffer[WritePtr] = sample;

// Check that the sample is HSync.

bool sync = false;
sync = sample.nSYNC == 0;

// If the beginning of HSync is found - remember its offset in the input buffer.

if (sync && !SyncFound)
{
SyncPos = WritePtr;
SyncFound = true;
}

// Advance write pointer

WritePtr++;

// If HSync is found and the number of samples is more than enough, process the scan.

if (SyncFound && (SyncPos + WritePtr) >= SamplesPerScan)
{
ProcessScanRGB();

SyncFound = false;
WritePtr = 0;
}
}

void ProcessScanRGB()
{
int ReadPtr = SyncPos;

// Skip HSync and Back Porch

while (ScanBuffer[ReadPtr].nSYNC == 0)
{
ReadPtr++;

if (ReadPtr >= ScanBuffer.Length)
break;
}

if (ReadPtr >= ScanBuffer.Length)
{
return;
}

ReadPtr += ppu_features.BackPorchSize * ppu_features.SamplesPerPCLK;

// Output the visible part of the signal

for (int i = 0; i < 256; i++)
{
if (CurrentScan < 240)
{
int red = 0, green = 0, blue = 0;

for (int n = 0; n < ppu_features.SamplesPerPCLK; n++)
{
var sample = ScanBuffer[ReadPtr];
red += sample.RED;
green += sample.GREEN;
blue += sample.BLUE;
ReadPtr++;
}

byte r = (byte)(red / ppu_features.SamplesPerPCLK);
byte g = (byte)(green / ppu_features.SamplesPerPCLK);
byte b = (byte)(blue / ppu_features.SamplesPerPCLK);

field[CurrentScan * 256 + i] = Color.FromArgb(r, g, b);
}
}

CurrentScan++;
if (CurrentScan >= ppu_features.ScansPerField)
{
AddField();
Console.WriteLine("Added Field");
CurrentScan = 0;
}
}

void AddField()
{
int w = 256;
int h = 240;

comboBox1.Items.Add(fields.Count.ToString());

Bitmap? field_pic = new(w, h, System.Drawing.Imaging.PixelFormat.Format32bppArgb);

Bitmap pic = field_pic;
Graphics gr = Graphics.FromImage(pic);

for (int y = 0; y < h; y++)
{
for (int x = 0; x < w; x++)
{
Color p = field[w * y + x];
gr.FillRectangle(new SolidBrush(p), x, y, 1, 1);
}
}

fields.Add(field_pic);
gr.Dispose();
}

void ShowField(int n)
{
if (n < fields.Count)
{
pictureBox1.Image = fields[n];
Console.WriteLine("Show Field: " + n.ToString());
}
}

private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
{
int n = comboBox1.SelectedIndex;
ShowField(n);
}

private void FormComponentViewer_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Escape)
{
Close();
}
}
}
}
60 changes: 60 additions & 0 deletions BreaksPPU/PPUPlayer/FormComponentViewer.resx
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<root>
<xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
<xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
<xsd:element name="root" msdata:IsDataSet="true">
<xsd:complexType>
<xsd:choice maxOccurs="unbounded">
<xsd:element name="metadata">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="value" type="xsd:string" minOccurs="0" />
</xsd:sequence>
<xsd:attribute name="name" use="required" type="xsd:string" />
<xsd:attribute name="type" type="xsd:string" />
<xsd:attribute name="mimetype" type="xsd:string" />
<xsd:attribute ref="xml:space" />
</xsd:complexType>
</xsd:element>
<xsd:element name="assembly">
<xsd:complexType>
<xsd:attribute name="alias" type="xsd:string" />
<xsd:attribute name="name" type="xsd:string" />
</xsd:complexType>
</xsd:element>
<xsd:element name="data">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
<xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
</xsd:sequence>
<xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
<xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
<xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
<xsd:attribute ref="xml:space" />
</xsd:complexType>
</xsd:element>
<xsd:element name="resheader">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
</xsd:sequence>
<xsd:attribute name="name" type="xsd:string" use="required" />
</xsd:complexType>
</xsd:element>
</xsd:choice>
</xsd:complexType>
</xsd:element>
</xsd:schema>
<resheader name="resmimetype">
<value>text/microsoft-resx</value>
</resheader>
<resheader name="version">
<value>2.0</value>
</resheader>
<resheader name="reader">
<value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
</resheader>
<resheader name="writer">
<value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
</resheader>
</root>
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