Add dsgVar_3 memory search tool

RevoGlmViewer/GlmViewerForm.cs

@@ -89,5 +89,16 @@ private void Form1_FormClosing(object sender, FormClosingEventArgs e)
         {
             tokenSource?.Dispose();
         }
+
+        private void findButton_Click(object sender, EventArgs e)
+        {
+            SearchForm search = new SearchForm();
+            search.ShowDialog();
+
+            if (search.FoundAddr != 0)
+            {
+                textAddr.Text = search.FoundAddr.ToString("X");
+            }
+        }
     }
 }

RevoGlmViewer/Properties/AssemblyInfo.cs

@@ -32,5 +32,5 @@
 // You can specify all the values or you can default the Build and Revision Numbers
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.0.0.0")]
-[assembly: AssemblyFileVersion("1.0.0.0")]
+[assembly: AssemblyVersion("1.1.0.0")]
+[assembly: AssemblyFileVersion("1.1.0.0")]

RevoGlmViewer/RevoGlmViewer.csproj

@@ -58,6 +58,12 @@
     <Compile Include="Memory.cs" />
     <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="SearchForm.cs">
+      <SubType>Form</SubType>
+    </Compile>
+    <Compile Include="SearchForm.Designer.cs">
+      <DependentUpon>SearchForm.cs</DependentUpon>
+    </Compile>
     <EmbeddedResource Include="GlmViewerForm.resx">
       <DependentUpon>GlmViewerForm.cs</DependentUpon>
     </EmbeddedResource>
@@ -71,6 +77,9 @@
       <DependentUpon>Resources.resx</DependentUpon>
       <DesignTime>True</DesignTime>
     </Compile>
+    <EmbeddedResource Include="SearchForm.resx">
+      <DependentUpon>SearchForm.cs</DependentUpon>
+    </EmbeddedResource>
     <None Include="Properties\Settings.settings">
       <Generator>SettingsSingleFileGenerator</Generator>
       <LastGenOutput>Settings.Designer.cs</LastGenOutput>

RevoGlmViewer/SearchForm.cs

@@ -0,0 +1,133 @@
+using System;
+using System.Collections.Generic;
+using System.Windows.Forms;
+
+namespace RevoGlmViewer
+{
+    public partial class SearchForm : Form
+    {
+        public SearchForm()
+        {
+            InitializeComponent();
+
+            handle = Memory.GetProcessHandle("pcsx2");
+            if (handle == 0)
+            {
+                MessageBox.Show("PCSX2 not detected. Start PCSX2 and the game first, or launch RevoGlmViewer as admin if it's already running.");
+                Close();
+            }
+
+            step = 0;
+            InitStep();
+        }
+
+        private const int BaseAddr = 0x20000000;
+
+        private int handle;
+        private int step;
+        private byte searchFor;
+
+        private List<int> savedMem;
+
+        public int FoundAddr { get; private set; } = 0;
+
+        private void buttonNext_Click(object sender, EventArgs e)
+        {
+            MemSearch(searchFor);
+
+            if (savedMem.Count == 1)
+            {
+                FoundAddr = savedMem[0];
+                MessageBox.Show($"Found DsgVar_3 address: 0x{FoundAddr:X}");
+                Close();
+            }
+            else if (savedMem.Count == 0)
+            {
+                MessageBox.Show($"Cannot find DsgVar_3 address - try again.");
+                Close();
+            }
+
+            step++;
+            InitStep();
+        }
+
+        private void InitStep()
+        {
+            switch (step)
+            {
+                case 0:
+                    title.Text = "Walking";
+                    description.Text = "Pause the game while walking or running and press Next.";
+                    searchFor = 2;
+                    break;
+
+                case 1:
+                    title.Text = "Standing";
+                    description.Text = "Pause the game while standing and press Next.";
+                    searchFor = 0;
+                    break;
+
+                case 2:
+                    title.Text = "Jumping";
+                    description.Text = "Pause the game while jumping (Rayman has to be midair and moving upwards) and press Next.";
+                    searchFor = 11;
+                    break;
+
+                case 3:
+                    title.Text = "Falling";
+                    description.Text = "Pause the game while falling (Rayman has to be midair and moving downwards) and press Next.";
+                    searchFor = 13;
+                    break;
+
+                default:
+                    step = 0;
+                    InitStep();
+                    break;
+            }
+        }
+
+        private void MemSearch(byte value)
+        {
+            int handle = Memory.GetProcessHandle("pcsx2");
+            if (handle == 0)
+            {
+                MessageBox.Show("PCSX2 not detected. Start PCSX2 and the game first, or launch RevoGlmViewer as admin if it's already running.");
+                return;
+            }
+
+            int _ = 0;
+            byte[] buffer;
+            List<int> found = new List<int>();
+
+            if (savedMem == null)
+            {
+                buffer = new byte[0x4000000];
+                Memory.ReadProcessMemory(handle, BaseAddr, buffer, buffer.Length, ref _);
+
+                for (int i = 0; i < buffer.Length; i++)
+                {
+                    if (buffer[i] == value)
+                    {
+                        found.Add(BaseAddr + i);
+                    }
+                }
+            }
+            else
+            {
+                buffer = new byte[1];
+
+                foreach (int i in savedMem)
+                {
+                    Memory.ReadProcessMemory(handle, i, buffer, 1, ref _);
+                    if (buffer[0] == value)
+                    {
+                        found.Add(i);
+                    }
+                }
+            }
+
+            savedMem = found;
+            addrCount.Text = savedMem.Count.ToString();
+        }
+    }
+}