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feat: implement janky clipping

This commit is contained in:
Anna 2022-01-31 03:04:50 -05:00
parent ba2b878594
commit f972105f67
2 changed files with 53 additions and 20 deletions
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2
ChatTwo/Message.cs
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@ -4,6 +4,8 @@ namespace ChatTwo;
internal class Message {
internal ulong ContentId;
internal float? Height;
internal bool IsVisible;
internal DateTime Date { get; }
internal ChatCode Code { get; }

71
ChatTwo/Ui/ChatLog.cs
View File

@ -1,4 +1,5 @@
using System.Numerics;
using System.Diagnostics;
using System.Numerics;
using ChatTwo.Code;
using ChatTwo.GameFunctions.Types;
using ChatTwo.Util;
@ -27,6 +28,8 @@ internal sealed class ChatLog : IUiComponent {
private int _lastTab;
private InputChannel? _tempChannel;
private TellTarget? _tellTarget;
private Vector2 _lastWindowSize = Vector2.Zero;
private readonly Stopwatch _lastResize = new();
private PayloadHandler PayloadHandler { get; }
private Dictionary<string, ChatType> TextCommandChannels { get; } = new();
@ -258,6 +261,13 @@ internal sealed class ChatLog : IUiComponent {
return;
}
var resized = this._lastWindowSize != ImGui.GetWindowSize();
this._lastWindowSize = ImGui.GetWindowSize();
if (resized) {
this._lastResize.Restart();
}
this._lastViewport = ImGui.GetWindowViewport().NativePtr;
var currentTab = this.Ui.Plugin.Config.SidebarTabView
@ -446,14 +456,42 @@ internal sealed class ChatLog : IUiComponent {
ImGui.TableSetupColumn("messages", ImGuiTableColumnFlags.WidthStretch);
}
// var clipper = new ImGuiListClipperPtr(ImGuiNative.ImGuiListClipper_ImGuiListClipper());
// int numMessages;
try {
tab.MessagesMutex.WaitOne();
for (var i = 0; i < tab.Messages.Count; i++) {
// numDrawn += 1;
var message = tab.Messages[i];
var reset = false;
if (this._lastResize.IsRunning && this._lastResize.Elapsed.TotalSeconds > 0.25) {
this._lastResize.Stop();
this._lastResize.Reset();
reset = true;
}
var lastPos = ImGui.GetCursorPosY();
foreach (var message in tab.Messages) {
if (reset) {
message.Height = null;
message.IsVisible = false;
}
// message has rendered once
if (message.Height.HasValue) {
// message isn't visible, so render dummy
if (!message.IsVisible) {
// skip columns
if (table) {
if (tab.DisplayTimestamp) {
ImGui.TableNextColumn();
}
ImGui.TableNextColumn();
}
ImGui.Dummy(new Vector2(1f, message.Height.Value));
message.IsVisible = ImGui.IsItemVisible();
goto UpdateMessage;
}
}
if (tab.DisplayTimestamp) {
var timestamp = message.Date.ToLocalTime().ToString("t");
@ -472,34 +510,27 @@ internal sealed class ChatLog : IUiComponent {
ImGui.TableNextColumn();
}
var beforeDraw = ImGui.GetCursorScreenPos();
if (message.Sender.Count > 0) {
this.DrawChunks(message.Sender, true, this.PayloadHandler);
ImGui.SameLine();
}
this.DrawChunks(message.Content, true, this.PayloadHandler);
var afterDraw = ImGui.GetCursorScreenPos();
// drawnHeight += ImGui.GetCursorPosY() - lastPos;
// lastPos = ImGui.GetCursorPosY();
message.Height = ImGui.GetCursorPosY() - lastPos;
message.IsVisible = ImGui.IsRectVisible(beforeDraw, afterDraw);
UpdateMessage:
lastPos = ImGui.GetCursorPosY();
}
// numMessages = tab.Messages.Count;
// may render too many items, but this is easier
// clipper.Begin(numMessages, lineHeight + ImGui.GetStyle().ItemSpacing.Y);
// while (clipper.Step()) {
// }
} finally {
tab.MessagesMutex.ReleaseMutex();
ImGui.PopStyleVar(this.Ui.Plugin.Config.MoreCompactPretty ? 2 : 1);
}
// PluginLog.Log($"numDrawn: {numDrawn}");
if (switchedTab || ImGui.GetScrollY() >= ImGui.GetScrollMaxY()) {
// PluginLog.Log($"drawnHeight: {drawnHeight}");
// var itemPosY = clipper.StartPosY + drawnHeight;
// PluginLog.Log($"itemPosY: {itemPosY}");
// ImGui.SetScrollFromPosY(itemPosY - ImGui.GetWindowPos().Y);
ImGui.SetScrollHereY(1f);
}