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using System;
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using System.Collections.Generic;
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using ImGuiNET;
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using ImGuiNET.SampleProgram.XNA;
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using Num = System.Numerics;
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using Microsoft.Xna.Framework;
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using Microsoft.Xna.Framework.Graphics;
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using System.Runtime.InteropServices;
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namespace isometricparkfna.UI
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{
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public struct DebugInfo
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{
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public float fps;
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public float[] pastFps;
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public TimeSpan drawTime;
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public Vector2 cameraPosition;
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public int treeCount;
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public Vector2 mouseGrid;
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public Boolean hasTree;
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public int tilesDrawn;
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public TimeSpan updateTime;
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}
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public class DebugWindow
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{
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private Texture2D _xnaTexture;
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private IntPtr _imGuiTexture;
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private bool show_test_window;
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public ImFontPtr monoFont;
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public DebugWindow(ImGuiRenderer _imGuiRenderer, GraphicsDevice graphicsDevice)
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{
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ImGuiIOPtr io = ImGui.GetIO();
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//io.Fonts.AddFontFromFileTTF(@"Content/iosevka-term-medium.ttf", 15);
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// #if DEBUG
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// io.Fonts.AddFontFromFileTTF(@"Content/iosevka-medium.ttf", 15);
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// io.Fonts.AddFontFromFileTTF(@"Content/iosevka-term-medium.ttf", 15);
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// io.Fonts.AddFontFromFileTTF(@"Content/iosevka-term-medium.ttf", 17);
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// io.Fonts.AddFontFromFileTTF(@"Content/iosevka-term-extendedmedium.ttf", 20);
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// io.Fonts.AddFontFromFileTTF(@"Content/iosevka-term-extendedmedium.ttf", 25);
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// io.Fonts.AddFontFromFileTTF(@"Content/iosevka-term-extendedmedium.ttf", 30);
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// #endif
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this.monoFont = io.Fonts.AddFontFromFileTTF(@"Content/iosevka-term-extendedmedium.ttf", 15);
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unsafe //god this sucks
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{
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ImFontConfigPtr config = ImGuiNative.ImFontConfig_ImFontConfig();
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config.MergeMode = true;
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var builder = new ImFontGlyphRangesBuilderPtr(ImGuiNative.ImFontGlyphRangesBuilder_ImFontGlyphRangesBuilder());
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// builder.AddText("\ue125\ue126");
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var icon_ranges = new ushort[] { 0xe000, 0xe1f4, 0 };
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GCHandle rangeHandle = GCHandle.Alloc(icon_ranges, GCHandleType.Pinned);
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io.Fonts.AddFontFromFileTTF(@"Content/typicons.ttf", 15, config, rangeHandle.AddrOfPinnedObject());
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}
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_imGuiRenderer.RebuildFontAtlas(); // Required so fonts are available for rendering
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_xnaTexture = CreateTexture(graphicsDevice, 300, 150, pixel =>
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{
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var red = (pixel % 300) / 2;
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return new Color(red, 1, 1);
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});
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// Then, bind it to an ImGui-friendly pointer, that we can use during regular ImGui.** calls (see below)
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_imGuiTexture = _imGuiRenderer.BindTexture(_xnaTexture);
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}
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public static Texture2D CreateTexture(GraphicsDevice device, int width, int height, Func<int, Color> paint)
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{
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//initialize a texture
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var texture = new Texture2D(device, width, height);
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//the array holds the color for each pixel in the texture
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Color[] data = new Color[width * height];
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for (var pixel = 0; pixel < data.Length; pixel++)
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{
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//the function applies the color according to the specified pixel
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data[pixel] = paint(pixel);
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}
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//set the color
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texture.SetData(data);
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return texture;
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}
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public virtual void ImGuiLayout()
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{
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float f = 0.0f;
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bool show_test_window = false;
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bool show_another_window = false;
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Num.Vector3 clear_color = new Num.Vector3(114f / 255f, 144f / 255f, 154f / 255f);
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byte[] _textBuffer = new byte[100];
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// 1. Show a simple window
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// Tip: if we don't call ImGui.Begin()/ImGui.End() the widgets appears in a window automatically called "Debug"
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{
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ImGui.Text("Hello, world!");
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ImGui.SliderFloat("float", ref f, 0.0f, 1.0f, string.Empty);
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ImGui.ColorEdit3("clear color", ref clear_color);
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if (ImGui.Button("Test Window")) show_test_window = !show_test_window;
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if (ImGui.Button("Another Window")) show_another_window = !show_another_window;
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ImGui.Text(string.Format("Application average {0:F3} ms/frame ({1:F1} FPS)", 1000f / ImGui.GetIO().Framerate, ImGui.GetIO().Framerate));
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ImGui.InputText("Text input", _textBuffer, 100);
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ImGui.Text("Texture sample");
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ImGui.Image(_imGuiTexture, new Num.Vector2(300, 150), Num.Vector2.Zero, Num.Vector2.One, Num.Vector4.One, Num.Vector4.One); // Here, the previously loaded texture is used
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}
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}
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public virtual void Layout(DebugInfo debugInfo, Dictionary<String, String> additionalInfo, ref bool show)
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{
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if (show)
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{
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ImGui.Begin("Debug", ref show);
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ImGui.Text(string.Format("fps: {0:F3}", debugInfo.fps));
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ImGui.Text(string.Format("Draw Time: {0:F3}", debugInfo.drawTime.TotalMilliseconds.ToString()));
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ImGui.Text(string.Format("Update Time: {0:F3}", debugInfo.updateTime.TotalMilliseconds.ToString()));
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ImGui.Text(string.Format("Tiles Drawn: {0:F}", debugInfo.tilesDrawn));
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ImGui.Text(string.Format("\nCamera Position: {0}", debugInfo.cameraPosition.ToString()));
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ImGui.Text(string.Format("\nGrid Position: {0} (has tree: {1})", debugInfo.mouseGrid.ToString(), debugInfo.hasTree));
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ImGui.Text(string.Format("Application average {0:F3} ms/frame ({1:F1} FPS", 1000f / ImGui.GetIO().Framerate, ImGui.GetIO().Framerate));
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if (ImGui.Button("Test Window"))
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{
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this.show_test_window = !this.show_test_window;
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}
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if (debugInfo.pastFps.Length >= 1)
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{
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ImGui.PlotLines("Frame Rate", ref debugInfo.pastFps[0], debugInfo.pastFps.Length);
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}
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foreach (string k in additionalInfo.Keys)
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{
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ImGui.Text(string.Format("{0}: {1}", k, additionalInfo[k]));
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}
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ImGui.End();
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}
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if (this.show_test_window)
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{
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ImGui.SetNextWindowPos(new Num.Vector2(650, 20), ImGuiCond.FirstUseEver);
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ImGui.ShowDemoWindow(ref show_test_window);
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}
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}
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}
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}
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