Leahnaya/FModel
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added a guizmo for model transformation

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Asval
2025-03-28 19:19:50 +01:00
parent 0e4d0431a3
commit e8b061f018
9 changed files with 171 additions and 139 deletions
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67
FModel/Framework/ImGuiController.cs
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@@ -3,12 +3,12 @@ using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Numerics;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Windows;
using System.Windows.Forms;
using FModel.Settings;
using ImGuiNET;
using ImGuizmoNET;
using OpenTK.Graphics.OpenGL4;
using OpenTK.Windowing.Desktop;
using OpenTK.Windowing.GraphicsLibraryFramework;
@@ -54,11 +54,12 @@ public class ImGuiController : IDisposable
int major = GL.GetInteger(GetPName.MajorVersion);
int minor = GL.GetInteger(GetPName.MinorVersion);
KHRDebugAvailable = (major == 4 && minor >= 3) || IsExtensionSupported("KHR_debug");
IntPtr context = ImGui.CreateContext();
ImGui.SetCurrentContext(context);
IntPtr imguiCtx = ImGui.CreateContext();
ImGui.SetCurrentContext(imguiCtx);
var io = ImGui.GetIO();
unsafe
@@ -69,32 +70,24 @@ public class ImGuiController : IDisposable
FontNormal = io.Fonts.AddFontFromFileTTF("C:\\Windows\\Fonts\\segoeui.ttf", 16 * DpiScale);
FontBold = io.Fonts.AddFontFromFileTTF("C:\\Windows\\Fonts\\segoeuib.ttf", 16 * DpiScale);
FontSemiBold = io.Fonts.AddFontFromFileTTF("C:\\Windows\\Fonts\\seguisb.ttf", 16 * DpiScale);
io.Fonts.AddFontDefault();
io.Fonts.Build(); // Build font atlas
io.BackendFlags |= ImGuiBackendFlags.RendererHasVtxOffset;
io.ConfigFlags |= ImGuiConfigFlags.NavEnableKeyboard;
io.ConfigFlags |= ImGuiConfigFlags.DockingEnable;
io.ConfigFlags |= ImGuiConfigFlags.ViewportsEnable;
io.Fonts.Flags |= ImFontAtlasFlags.NoBakedLines;
// io.ConfigDockingWithShift = true;
io.ConfigDockingWithShift = true;
io.ConfigWindowsMoveFromTitleBarOnly = true;
io.BackendRendererUserData = 0;
CreateDeviceResources();
SetPerFrameImGuiData(1f / 60f);
ImGui.NewFrame();
_frameBegun = true;
}
public void Normal() => PushFont(FontNormal);
public void Bold() => PushFont(FontBold);
public void SemiBold() => PushFont(FontSemiBold);
public void PopFont()
{
ImGui.PopFont();
PushFont(FontNormal);
}
private void PushFont(ImFontPtr ptr) => ImGui.PushFont(ptr);
public void WindowResized(int width, int height)
@@ -132,34 +125,42 @@ public class ImGuiController : IDisposable
RecreateFontDeviceTexture();
string VertexSource = @"#version 460 core
string VertexSource = @"#version 330 core
uniform mat4 projection_matrix;
layout(location = 0) in vec2 in_position;
layout(location = 1) in vec2 in_texCoord;
layout(location = 2) in vec4 in_color;
out vec4 color;
out vec2 texCoord;
void main()
{
gl_Position = projection_matrix * vec4(in_position, 0, 1);
color = in_color;
texCoord = in_texCoord;
gl_Position = projection_matrix * vec4(in_position, 0, 1);
color = in_color;
texCoord = in_texCoord;
}";
string FragmentSource = @"#version 460 core
string FragmentSource = @"#version 330 core
uniform sampler2D in_fontTexture;
in vec4 color;
in vec2 texCoord;
out vec4 outputColor;
void main()
{
outputColor = color * texture(in_fontTexture, texCoord);
outputColor = color * texture(in_fontTexture, texCoord);
}";
_shader = CreateProgram("ImGui", VertexSource, FragmentSource);
_shaderProjectionMatrixLocation = GL.GetUniformLocation(_shader, "projection_matrix");
_shaderFontTextureLocation = GL.GetUniformLocation(_shader, "in_fontTexture");
int stride = Unsafe.SizeOf<ImDrawVert>();
int stride = Marshal.SizeOf<ImDrawVert>();
GL.VertexAttribPointer(0, 2, VertexAttribPointerType.Float, false, stride, 0);
GL.VertexAttribPointer(1, 2, VertexAttribPointerType.Float, false, stride, 8);
GL.VertexAttribPointer(2, 4, VertexAttribPointerType.UnsignedByte, true, stride, 16);
@@ -225,7 +226,6 @@ outputColor = color * texture(in_fontTexture, texCoord);
ImGui.Render();
RenderImDrawData(ImGui.GetDrawData());
}
CheckGLError("End of frame");
}
/// <summary>
@@ -243,6 +243,7 @@ outputColor = color * texture(in_fontTexture, texCoord);
_frameBegun = true;
ImGui.NewFrame();
ImGuizmo.BeginFrame();
}
/// <summary>
@@ -252,7 +253,6 @@ outputColor = color * texture(in_fontTexture, texCoord);
private void SetPerFrameImGuiData(float deltaSeconds)
{
ImGuiIOPtr io = ImGui.GetIO();
// if (io.WantSaveIniSettings) ImGui.SaveIniSettingsToDisk(_iniPath);
io.DisplaySize = new Vector2(
_windowWidth / _scaleFactor.X,
_windowHeight / _scaleFactor.Y);
@@ -265,6 +265,7 @@ outputColor = color * texture(in_fontTexture, texCoord);
private void UpdateImGuiInput(GameWindow wnd)
{
ImGuiIOPtr io = ImGui.GetIO();
var mState = wnd.MouseState;
var kState = wnd.KeyboardState;
@@ -276,7 +277,7 @@ outputColor = color * texture(in_fontTexture, texCoord);
io.AddMouseButtonEvent(4, mState[MouseButton.Button2]);
io.AddMouseWheelEvent(mState.ScrollDelta.X, mState.ScrollDelta.Y);
foreach (Keys key in Enum.GetValues(typeof(Keys)))
foreach (Keys key in Enum.GetValues<Keys>())
{
if (key == Keys.Unknown) continue;
io.AddKeyEvent(TranslateKey(key), kState.IsKeyDown(key));
@@ -294,7 +295,7 @@ outputColor = color * texture(in_fontTexture, texCoord);
io.KeySuper = kState.IsKeyDown(Keys.LeftSuper) || kState.IsKeyDown(Keys.RightSuper);
}
public void PressChar(char keyChar)
internal void PressChar(char keyChar)
{
PressedChars.Add(keyChar);
}
@@ -340,7 +341,7 @@ outputColor = color * texture(in_fontTexture, texCoord);
{
ImDrawListPtr cmd_list = draw_data.CmdLists[i];
int vertexSize = cmd_list.VtxBuffer.Size * Unsafe.SizeOf<ImDrawVert>();
int vertexSize = cmd_list.VtxBuffer.Size * Marshal.SizeOf<ImDrawVert>();
if (vertexSize > _vertexBufferSize)
{
int newSize = (int)Math.Max(_vertexBufferSize * 1.5f, vertexSize);
@@ -390,7 +391,7 @@ outputColor = color * texture(in_fontTexture, texCoord);
{
ImDrawListPtr cmd_list = draw_data.CmdLists[n];
GL.BufferSubData(BufferTarget.ArrayBuffer, IntPtr.Zero, cmd_list.VtxBuffer.Size * Unsafe.SizeOf<ImDrawVert>(), cmd_list.VtxBuffer.Data);
GL.BufferSubData(BufferTarget.ArrayBuffer, IntPtr.Zero, cmd_list.VtxBuffer.Size * Marshal.SizeOf<ImDrawVert>(), cmd_list.VtxBuffer.Data);
CheckGLError($"Data Vert {n}");
GL.BufferSubData(BufferTarget.ElementArrayBuffer, IntPtr.Zero, cmd_list.IdxBuffer.Size * sizeof(ushort), cmd_list.IdxBuffer.Data);
@@ -544,16 +545,16 @@ outputColor = color * texture(in_fontTexture, texCoord);
public static ImGuiKey TranslateKey(Keys key)
{
if (key is >= Keys.D0 and <= Keys.D9)
if (key >= Keys.D0 && key <= Keys.D9)
return key - Keys.D0 + ImGuiKey._0;
if (key is >= Keys.A and <= Keys.Z)
if (key >= Keys.A && key <= Keys.Z)
return key - Keys.A + ImGuiKey.A;
if (key is >= Keys.KeyPad0 and <= Keys.KeyPad9)
if (key >= Keys.KeyPad0 && key <= Keys.KeyPad9)
return key - Keys.KeyPad0 + ImGuiKey.Keypad0;
if (key is >= Keys.F1 and <= Keys.F24)
if (key >= Keys.F1 && key <= Keys.F24)
return key - Keys.F1 + ImGuiKey.F24;
return key switch
@@ -596,7 +597,7 @@ outputColor = color * texture(in_fontTexture, texCoord);
Keys.KeyPadAdd => ImGuiKey.KeypadAdd,
Keys.KeyPadEnter => ImGuiKey.KeypadEnter,
Keys.KeyPadEqual => ImGuiKey.KeypadEqual,
Keys.LeftShift => ImGuiKey.LeftShift,
Keys.LeftShift => ImGuiKey.ModShift,
Keys.LeftControl => ImGuiKey.LeftCtrl,
Keys.LeftAlt => ImGuiKey.LeftAlt,
Keys.LeftSuper => ImGuiKey.LeftSuper,