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ImguiController.cs
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ImguiController.cs
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using System;
using System.Numerics;
using Raylib_cs;
using ImGuiNET;
// ImguiController from https://github.com/ChrisDill/Raylib-cs-Examples
namespace MasterSpark
{
/// <summary>
/// ImGui controller for Raylib-cs.
/// </summary>
public class ImguiController : IDisposable
{
IntPtr context;
Texture2D fontTexture;
Vector2 size;
Vector2 scaleFactor = Vector2.One;
public ImguiController()
{
context = ImGui.CreateContext();
ImGui.SetCurrentContext(context);
ImGuiIOPtr io = ImGui.GetIO();
io.Fonts.AddFontDefault();
// io.Fonts.AddFontFromFileTTF("assets/Px437_IBM_VGA_8x16.ttf", 16.0f);
// io.Fonts.AddFontFromFileTTF("assets/Roboto-Regular.ttf", 18.0f);
io.ConfigFlags = ImGuiConfigFlags.DockingEnable;
io.ConfigDockingWithShift = true;
}
public void Dispose()
{
ImGui.DestroyContext(context);
Raylib.UnloadTexture(fontTexture);
}
/// <summary>
/// Creates a texture and loads the font data from ImGui.
/// </summary>
public void Load(int width, int height)
{
size = new Vector2(width, height);
LoadFontTexture();
SetupInput();
SetupStyle();
ImGui.NewFrame();
}
public void Resize(int width, int height)
{
size = new Vector2(width, height);
}
unsafe void LoadFontTexture()
{
ImGuiIOPtr io = ImGui.GetIO();
// Load as RGBA 32-bit (75% of the memory is wasted, but default font is so small) because it is more likely to be compatible with user's existing shaders.
// If your ImTextureId represent a higher-level concept than just a GL texture id, consider calling GetTexDataAsAlpha8() instead to save on GPU memory.
io.Fonts.GetTexDataAsRGBA32(out byte* pixels, out int width, out int height);
// Upload texture to graphics system
IntPtr data = new IntPtr(pixels);
Image image = Raylib.LoadImagePro(data, width, height, (int)PixelFormat.UNCOMPRESSED_R8G8B8A8);
fontTexture = Raylib.LoadTextureFromImage(image);
Raylib.UnloadImage(image);
// Store our identifier
io.Fonts.SetTexID(new IntPtr(fontTexture.id));
// Clears font data on the CPU side
io.Fonts.ClearTexData();
}
void SetupStyleCorpGray()
{
var style = ImGui.GetStyle();
var colors = style.Colors;
/// 0 = FLAT APPEARENCE
/// 1 = MORE "3D" LOOK
int is3D = 0;
// ImGuiCol.Text
colors[(int)ImGuiCol.Text] = new Vector4(1.00f, 1.00f, 1.00f, 1.00f);
colors[(int)ImGuiCol.TextDisabled] = new Vector4(0.40f, 0.40f, 0.40f, 1.00f);
colors[(int)ImGuiCol.ChildBg] = new Vector4(0.25f, 0.25f, 0.25f, 1.00f);
colors[(int)ImGuiCol.WindowBg] = new Vector4(0.25f, 0.25f, 0.25f, 1.00f);
colors[(int)ImGuiCol.PopupBg] = new Vector4(0.25f, 0.25f, 0.25f, 1.00f);
colors[(int)ImGuiCol.Border] = new Vector4(0.12f, 0.12f, 0.12f, 0.71f);
colors[(int)ImGuiCol.BorderShadow] = new Vector4(1.00f, 1.00f, 1.00f, 0.06f);
colors[(int)ImGuiCol.FrameBg] = new Vector4(0.42f, 0.42f, 0.42f, 0.54f);
colors[(int)ImGuiCol.FrameBgHovered] = new Vector4(0.42f, 0.42f, 0.42f, 0.40f);
colors[(int)ImGuiCol.FrameBgActive] = new Vector4(0.56f, 0.56f, 0.56f, 0.67f);
colors[(int)ImGuiCol.TitleBg] = new Vector4(0.19f, 0.19f, 0.19f, 1.00f);
colors[(int)ImGuiCol.TitleBgActive] = new Vector4(0.22f, 0.22f, 0.22f, 1.00f);
colors[(int)ImGuiCol.TitleBgCollapsed] = new Vector4(0.17f, 0.17f, 0.17f, 0.90f);
colors[(int)ImGuiCol.MenuBarBg] = new Vector4(0.335f, 0.335f, 0.335f, 1.000f);
colors[(int)ImGuiCol.ScrollbarBg] = new Vector4(0.24f, 0.24f, 0.24f, 0.53f);
colors[(int)ImGuiCol.ScrollbarGrab] = new Vector4(0.41f, 0.41f, 0.41f, 1.00f);
colors[(int)ImGuiCol.ScrollbarGrabHovered] = new Vector4(0.52f, 0.52f, 0.52f, 1.00f);
colors[(int)ImGuiCol.ScrollbarGrabActive] = new Vector4(0.76f, 0.76f, 0.76f, 1.00f);
colors[(int)ImGuiCol.CheckMark] = new Vector4(0.65f, 0.65f, 0.65f, 1.00f);
colors[(int)ImGuiCol.SliderGrab] = new Vector4(0.52f, 0.52f, 0.52f, 1.00f);
colors[(int)ImGuiCol.SliderGrabActive] = new Vector4(0.64f, 0.64f, 0.64f, 1.00f);
colors[(int)ImGuiCol.Button] = new Vector4(0.54f, 0.54f, 0.54f, 0.35f);
colors[(int)ImGuiCol.ButtonHovered] = new Vector4(0.52f, 0.52f, 0.52f, 0.59f);
colors[(int)ImGuiCol.ButtonActive] = new Vector4(0.76f, 0.76f, 0.76f, 1.00f);
colors[(int)ImGuiCol.Header] = new Vector4(0.38f, 0.38f, 0.38f, 1.00f);
colors[(int)ImGuiCol.HeaderHovered] = new Vector4(0.47f, 0.47f, 0.47f, 1.00f);
colors[(int)ImGuiCol.HeaderActive] = new Vector4(0.76f, 0.76f, 0.76f, 0.77f);
colors[(int)ImGuiCol.Separator] = new Vector4(0.000f, 0.000f, 0.000f, 0.137f);
colors[(int)ImGuiCol.SeparatorHovered] = new Vector4(0.700f, 0.671f, 0.600f, 0.290f);
colors[(int)ImGuiCol.SeparatorActive] = new Vector4(0.702f, 0.671f, 0.600f, 0.674f);
colors[(int)ImGuiCol.ResizeGrip] = new Vector4(0.26f, 0.59f, 0.98f, 0.25f);
colors[(int)ImGuiCol.ResizeGripHovered] = new Vector4(0.26f, 0.59f, 0.98f, 0.67f);
colors[(int)ImGuiCol.ResizeGripActive] = new Vector4(0.26f, 0.59f, 0.98f, 0.95f);
colors[(int)ImGuiCol.PlotLines] = new Vector4(0.61f, 0.61f, 0.61f, 1.00f);
colors[(int)ImGuiCol.PlotLinesHovered] = new Vector4(1.00f, 0.43f, 0.35f, 1.00f);
colors[(int)ImGuiCol.PlotHistogram] = new Vector4(0.90f, 0.70f, 0.00f, 1.00f);
colors[(int)ImGuiCol.PlotHistogramHovered] = new Vector4(1.00f, 0.60f, 0.00f, 1.00f);
colors[(int)ImGuiCol.TextSelectedBg] = new Vector4(0.73f, 0.73f, 0.73f, 0.35f);
colors[(int)ImGuiCol.ModalWindowDimBg] = new Vector4(0.80f, 0.80f, 0.80f, 0.35f);
colors[(int)ImGuiCol.DragDropTarget] = new Vector4(1.00f, 1.00f, 0.00f, 0.90f);
colors[(int)ImGuiCol.NavHighlight] = new Vector4(0.26f, 0.59f, 0.98f, 1.00f);
colors[(int)ImGuiCol.NavWindowingHighlight] = new Vector4(1.00f, 1.00f, 1.00f, 0.70f);
colors[(int)ImGuiCol.NavWindowingDimBg] = new Vector4(0.80f, 0.80f, 0.80f, 0.20f);
style.PopupRounding = 3;
style.WindowPadding = new Vector2(4, 4);
style.FramePadding = new Vector2(6, 4);
style.ItemSpacing = new Vector2(6, 2);
style.ScrollbarSize = 18;
style.WindowBorderSize = 1;
style.ChildBorderSize = 1;
style.PopupBorderSize = 1;
style.FrameBorderSize = is3D;
style.WindowRounding = 3;
style.ChildRounding = 3;
style.FrameRounding = 3;
style.ScrollbarRounding = 2;
style.GrabRounding = 3;
style.TabBorderSize = is3D;
style.TabRounding = 3;
colors[(int)ImGuiCol.DockingEmptyBg] = new Vector4(0.38f, 0.38f, 0.38f, 1.00f);
colors[(int)ImGuiCol.Tab] = new Vector4(0.25f, 0.25f, 0.25f, 1.00f);
colors[(int)ImGuiCol.TabHovered] = new Vector4(0.40f, 0.40f, 0.40f, 1.00f);
colors[(int)ImGuiCol.TabActive] = new Vector4(0.33f, 0.33f, 0.33f, 1.00f);
colors[(int)ImGuiCol.TabUnfocused] = new Vector4(0.25f, 0.25f, 0.25f, 1.00f);
colors[(int)ImGuiCol.TabUnfocusedActive] = new Vector4(0.33f, 0.33f, 0.33f, 1.00f);
colors[(int)ImGuiCol.DockingPreview] = new Vector4(0.85f, 0.85f, 0.85f, 0.28f);
if (((uint)ImGui.GetIO().ConfigFlags & (uint)ImGuiConfigFlags.ViewportsEnable) >= 1)
{
style.WindowRounding = 0.0f;
style.Colors[(int)ImGuiCol.WindowBg].W = 1.0f;
}
}
void SetupStyle()
{
ImGui.GetStyle().FrameRounding = 4.0f;
ImGui.GetStyle().GrabRounding = 4.0f;
var colors = ImGui.GetStyle().Colors;
colors[(int)ImGuiCol.Text]= new Vector4(0.95f, 0.96f, 0.98f, 1.00f);
colors[(int)ImGuiCol.TextDisabled]= new Vector4(0.36f, 0.42f, 0.47f, 1.00f);
colors[(int)ImGuiCol.WindowBg]= new Vector4(0.11f, 0.15f, 0.17f, 0.94f);
colors[(int)ImGuiCol.ChildBg]= new Vector4(0.15f, 0.18f, 0.22f, 0.4f);
colors[(int)ImGuiCol.PopupBg]= new Vector4(0.08f, 0.08f, 0.08f, 0.94f);
colors[(int)ImGuiCol.Border]= new Vector4(0.08f, 0.10f, 0.12f, 1.00f);
colors[(int)ImGuiCol.BorderShadow]= new Vector4(0.00f, 0.00f, 0.00f, 0.00f);
colors[(int)ImGuiCol.FrameBg]= new Vector4(0.20f, 0.25f, 0.29f, 1.00f);
colors[(int)ImGuiCol.FrameBgHovered]= new Vector4(0.12f, 0.20f, 0.28f, 1.00f);
colors[(int)ImGuiCol.FrameBgActive]= new Vector4(0.09f, 0.12f, 0.14f, 1.00f);
colors[(int)ImGuiCol.TitleBg]= new Vector4(0.09f, 0.12f, 0.14f, 0.65f);
colors[(int)ImGuiCol.TitleBgActive]= new Vector4(0.08f, 0.10f, 0.12f, 1.00f);
colors[(int)ImGuiCol.TitleBgCollapsed]= new Vector4(0.00f, 0.00f, 0.00f, 0.51f);
colors[(int)ImGuiCol.MenuBarBg]= new Vector4(0.15f, 0.18f, 0.22f, 1.00f);
colors[(int)ImGuiCol.ScrollbarBg]= new Vector4(0.02f, 0.02f, 0.02f, 0.39f);
colors[(int)ImGuiCol.ScrollbarGrab]= new Vector4(0.20f, 0.25f, 0.29f, 1.00f);
colors[(int)ImGuiCol.ScrollbarGrabHovered]= new Vector4(0.18f, 0.22f, 0.25f, 1.00f);
colors[(int)ImGuiCol.ScrollbarGrabActive]= new Vector4(0.09f, 0.21f, 0.31f, 1.00f);
colors[(int)ImGuiCol.CheckMark]= new Vector4(0.28f, 0.56f, 1.00f, 1.00f);
colors[(int)ImGuiCol.SliderGrab]= new Vector4(0.28f, 0.56f, 1.00f, 1.00f);
colors[(int)ImGuiCol.SliderGrabActive]= new Vector4(0.37f, 0.61f, 1.00f, 1.00f);
colors[(int)ImGuiCol.Button]= new Vector4(0.20f, 0.25f, 0.29f, 1.00f);
colors[(int)ImGuiCol.ButtonHovered]= new Vector4(0.28f, 0.56f, 1.00f, 1.00f);
colors[(int)ImGuiCol.ButtonActive]= new Vector4(0.06f, 0.53f, 0.98f, 1.00f);
colors[(int)ImGuiCol.Header]= new Vector4(0.20f, 0.25f, 0.29f, 0.55f);
colors[(int)ImGuiCol.HeaderHovered]= new Vector4(0.26f, 0.59f, 0.98f, 0.80f);
colors[(int)ImGuiCol.HeaderActive]= new Vector4(0.26f, 0.59f, 0.98f, 1.00f);
colors[(int)ImGuiCol.Separator]= new Vector4(0.20f, 0.25f, 0.29f, 1.00f);
colors[(int)ImGuiCol.SeparatorHovered]= new Vector4(0.10f, 0.40f, 0.75f, 0.78f);
colors[(int)ImGuiCol.SeparatorActive]= new Vector4(0.10f, 0.40f, 0.75f, 1.00f);
colors[(int)ImGuiCol.ResizeGrip]= new Vector4(0.26f, 0.59f, 0.98f, 0.25f);
colors[(int)ImGuiCol.ResizeGripHovered]= new Vector4(0.26f, 0.59f, 0.98f, 0.67f);
colors[(int)ImGuiCol.ResizeGripActive]= new Vector4(0.26f, 0.59f, 0.98f, 0.95f);
colors[(int)ImGuiCol.Tab]= new Vector4(0.11f, 0.15f, 0.17f, 1.00f);
colors[(int)ImGuiCol.TabHovered]= new Vector4(0.26f, 0.59f, 0.98f, 0.80f);
colors[(int)ImGuiCol.TabActive]= new Vector4(0.20f, 0.25f, 0.29f, 1.00f);
colors[(int)ImGuiCol.TabUnfocused]= new Vector4(0.11f, 0.15f, 0.17f, 1.00f);
colors[(int)ImGuiCol.TabUnfocusedActive]= new Vector4(0.11f, 0.15f, 0.17f, 1.00f);
colors[(int)ImGuiCol.PlotLines]= new Vector4(0.61f, 0.61f, 0.61f, 1.00f);
colors[(int)ImGuiCol.PlotLinesHovered]= new Vector4(1.00f, 0.43f, 0.35f, 1.00f);
colors[(int)ImGuiCol.PlotHistogram]= new Vector4(0.90f, 0.70f, 0.00f, 1.00f);
colors[(int)ImGuiCol.PlotHistogramHovered]= new Vector4(1.00f, 0.60f, 0.00f, 1.00f);
colors[(int)ImGuiCol.TextSelectedBg]= new Vector4(0.26f, 0.59f, 0.98f, 0.35f);
colors[(int)ImGuiCol.DragDropTarget]= new Vector4(1.00f, 1.00f, 0.00f, 0.90f);
colors[(int)ImGuiCol.NavHighlight]= new Vector4(0.26f, 0.59f, 0.98f, 1.00f);
colors[(int)ImGuiCol.NavWindowingHighlight]= new Vector4(1.00f, 1.00f, 1.00f, 0.70f);
colors[(int)ImGuiCol.NavWindowingDimBg]= new Vector4(0.80f, 0.80f, 0.80f, 0.20f);
colors[(int)ImGuiCol.ModalWindowDimBg]= new Vector4(0.80f, 0.80f, 0.80f, 0.35f);
}
void SetupInput()
{
// Setup back-end capabilities flags
ImGuiIOPtr io = ImGui.GetIO();
io.BackendFlags |= ImGuiBackendFlags.HasMouseCursors;
io.BackendFlags |= ImGuiBackendFlags.HasSetMousePos;
// Keyboard mapping. ImGui will use those indices to peek into the io.KeysDown[] array.
io.KeyMap[(int)ImGuiKey.Tab] = (int)KeyboardKey.KEY_TAB;
io.KeyMap[(int)ImGuiKey.LeftArrow] = (int)KeyboardKey.KEY_LEFT;
io.KeyMap[(int)ImGuiKey.RightArrow] = (int)KeyboardKey.KEY_RIGHT;
io.KeyMap[(int)ImGuiKey.UpArrow] = (int)KeyboardKey.KEY_UP;
io.KeyMap[(int)ImGuiKey.DownArrow] = (int)KeyboardKey.KEY_DOWN;
io.KeyMap[(int)ImGuiKey.PageUp] = (int)KeyboardKey.KEY_PAGE_UP;
io.KeyMap[(int)ImGuiKey.PageDown] = (int)KeyboardKey.KEY_PAGE_DOWN;
io.KeyMap[(int)ImGuiKey.Home] = (int)KeyboardKey.KEY_HOME;
io.KeyMap[(int)ImGuiKey.End] = (int)KeyboardKey.KEY_END;
io.KeyMap[(int)ImGuiKey.Insert] = (int)KeyboardKey.KEY_INSERT;
io.KeyMap[(int)ImGuiKey.Delete] = (int)KeyboardKey.KEY_DELETE;
io.KeyMap[(int)ImGuiKey.Backspace] = (int)KeyboardKey.KEY_BACKSPACE;
io.KeyMap[(int)ImGuiKey.Space] = (int)KeyboardKey.KEY_SPACE;
io.KeyMap[(int)ImGuiKey.Enter] = (int)KeyboardKey.KEY_ENTER;
io.KeyMap[(int)ImGuiKey.Escape] = (int)KeyboardKey.KEY_ESCAPE;
io.KeyMap[(int)ImGuiKey.A] = (int)KeyboardKey.KEY_A;
io.KeyMap[(int)ImGuiKey.C] = (int)KeyboardKey.KEY_C;
io.KeyMap[(int)ImGuiKey.V] = (int)KeyboardKey.KEY_V;
io.KeyMap[(int)ImGuiKey.X] = (int)KeyboardKey.KEY_X;
io.KeyMap[(int)ImGuiKey.Y] = (int)KeyboardKey.KEY_Y;
io.KeyMap[(int)ImGuiKey.Z] = (int)KeyboardKey.KEY_Z;
}
public void Update(float dt)
{
ImGuiIOPtr io = ImGui.GetIO();
SetPerFrameData(dt);
UpdateInput();
ImGui.NewFrame();
}
/// <summary>
/// Sets per-frame data based on the associated window.
/// This is called by Update(float).
/// </summary>
void SetPerFrameData(float dt)
{
ImGuiIOPtr io = ImGui.GetIO();
io.DisplaySize = size / scaleFactor;
io.DisplayFramebufferScale = Vector2.One;
io.DeltaTime = dt;
}
void UpdateInput()
{
UpdateMousePosAndButtons();
UpdateMouseCursor();
UpdateGamepads();
int keyPressed = Raylib.GetKeyPressed();
if (keyPressed > 0)
{
ImGuiIOPtr io = ImGui.GetIO();
io.AddInputCharacter((uint)keyPressed);
}
}
void UpdateMousePosAndButtons()
{
// Update mouse buttons
ImGuiIOPtr io = ImGui.GetIO();
for (int i = 0; i < io.MouseDown.Count; i++)
{
io.MouseDown[i] = Raylib.IsMouseButtonDown((MouseButton)i);
}
// Modifiers are not reliable across systems
io.KeyCtrl = io.KeysDown[(int)KeyboardKey.KEY_LEFT_CONTROL] || io.KeysDown[(int)KeyboardKey.KEY_RIGHT_CONTROL];
io.KeyShift = io.KeysDown[(int)KeyboardKey.KEY_LEFT_SHIFT] || io.KeysDown[(int)KeyboardKey.KEY_RIGHT_SHIFT];
io.KeyAlt = io.KeysDown[(int)KeyboardKey.KEY_LEFT_ALT] || io.KeysDown[(int)KeyboardKey.KEY_RIGHT_ALT];
io.KeySuper = io.KeysDown[(int)KeyboardKey.KEY_LEFT_SUPER] || io.KeysDown[(int)KeyboardKey.KEY_RIGHT_SUPER];
// Mouse scroll
io.MouseWheel += (float)Raylib.GetMouseWheelMove();
// Key states
for (int i = (int)KeyboardKey.KEY_SPACE; i < (int)KeyboardKey.KEY_KB_MENU + 1; i++)
{
io.KeysDown[i] = Raylib.IsKeyDown((KeyboardKey)i);
}
// Update mouse position
Vector2 mousePositionBackup = io.MousePos;
io.MousePos = new Vector2(-float.MaxValue, -float.MaxValue);
const bool focused = true;
if (focused)
{
if (io.WantSetMousePos)
{
Raylib.SetMousePosition((int)mousePositionBackup.X, (int)mousePositionBackup.Y);
}
else
{
io.MousePos = Raylib.GetMousePosition();
}
}
}
void UpdateMouseCursor()
{
ImGuiIOPtr io = ImGui.GetIO();
if ((io.ConfigFlags & ImGuiConfigFlags.NoMouseCursorChange) == 0 || Raylib.IsCursorHidden())
{
return;
}
ImGuiMouseCursor imgui_cursor = ImGui.GetMouseCursor();
if (imgui_cursor == ImGuiMouseCursor.None || io.MouseDrawCursor)
{
Raylib.HideCursor();
}
else
{
Raylib.ShowCursor();
}
}
void UpdateGamepads()
{
ImGuiIOPtr io = ImGui.GetIO();
}
/// <summary>
/// Gets the geometry as set up by ImGui and sends it to the graphics device
/// </summary>
public void Draw()
{
ImGui.Render();
unsafe { RenderCommandLists(ImGui.GetDrawData()); }
}
// Returns a Color struct from hexadecimal value
Color GetColor(uint hexValue)
{
Color color;
color.r = (byte)(hexValue & 0xFF);
color.g = (byte)((hexValue >> 8) & 0xFF);
color.b = (byte)((hexValue >> 16) & 0xFF);
color.a = (byte)((hexValue >> 24) & 0xFF);
return color;
}
void DrawTriangleVertex(ImDrawVertPtr idxVert)
{
Color c = GetColor(idxVert.col);
Rlgl.rlColor4ub(c.r, c.g, c.b, c.a);
Rlgl.rlTexCoord2f(idxVert.uv.X, idxVert.uv.Y);
Rlgl.rlVertex2f(idxVert.pos.X, idxVert.pos.Y);
}
// Draw the imgui triangle data
void DrawTriangles(uint count, ImVector<ushort> idxBuffer, ImPtrVector<ImDrawVertPtr> idxVert, int idxOffset, int vtxOffset, IntPtr textureId)
{
uint texId = (uint)textureId;
ushort index;
ImDrawVertPtr vertex;
if (Rlgl.rlCheckBufferLimit((int)count * 3))
{
Rlgl.rlglDraw();
}
Rlgl.rlPushMatrix();
Rlgl.rlBegin(Rlgl.RL_TRIANGLES);
Rlgl.rlEnableTexture(texId);
for (int i = 0; i <= (count - 3); i += 3)
{
index = idxBuffer[idxOffset + i];
vertex = idxVert[vtxOffset + index];
DrawTriangleVertex(vertex);
index = idxBuffer[idxOffset + i + 2];
vertex = idxVert[vtxOffset + index];
DrawTriangleVertex(vertex);
index = idxBuffer[idxOffset + i + 1];
vertex = idxVert[vtxOffset + index];
DrawTriangleVertex(vertex);
}
Rlgl.rlDisableTexture();
Rlgl.rlEnd();
Rlgl.rlPopMatrix();
}
unsafe void RenderCommandLists(ImDrawDataPtr drawData)
{
// Scale coordinates for retina displays (screen coordinates != framebuffer coordinates)
int fbWidth = (int)(drawData.DisplaySize.X * drawData.FramebufferScale.X);
int fbHeight = (int)(drawData.DisplaySize.Y * drawData.FramebufferScale.Y);
// Avoid rendering if display is minimized or if the command list is empty
if (fbWidth <= 0 || fbHeight <= 0 || drawData.CmdListsCount == 0)
{
return;
}
drawData.ScaleClipRects(ImGui.GetIO().DisplayFramebufferScale);
Rlgl.rlDisableBackfaceCulling();
for (int n = 0; n < drawData.CmdListsCount; n++)
{
ImDrawListPtr cmdList = drawData.CmdListsRange[n];
// Vertex buffer and index buffer generated by Dear ImGui
ImPtrVector<ImDrawVertPtr> vtxBuffer = cmdList.VtxBuffer;
ImVector<ushort> idxBuffer = cmdList.IdxBuffer;
for (int cmdi = 0; cmdi < cmdList.CmdBuffer.Size; cmdi++)
{
ImDrawCmdPtr pcmd = cmdList.CmdBuffer[cmdi];
if (pcmd.UserCallback != IntPtr.Zero)
{
// pcmd.UserCallback(cmdList, pcmd);
}
else
{
Vector2 pos = drawData.DisplayPos;
int rectX = (int)((pcmd.ClipRect.X - pos.X) * drawData.FramebufferScale.X);
int rectY = (int)((pcmd.ClipRect.Y - pos.Y) * drawData.FramebufferScale.Y);
int rectW = (int)((pcmd.ClipRect.Z - rectX) * drawData.FramebufferScale.X);
int rectH = (int)((pcmd.ClipRect.W - rectY) * drawData.FramebufferScale.Y);
if (rectX < fbWidth && rectY < fbHeight && rectW >= 0.0f && rectH >= 0.0f)
{
Raylib.BeginScissorMode(rectX, rectY, rectW, rectH);
DrawTriangles(pcmd.ElemCount, idxBuffer, vtxBuffer, (int)pcmd.IdxOffset, (int)pcmd.VtxOffset, pcmd.TextureId);
}
}
}
}
Raylib.EndScissorMode();
Rlgl.rlEnableBackfaceCulling();
}
}
}