42 lines
1.4 KiB
C#
42 lines
1.4 KiB
C#
using System;
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using System.Linq;
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using System.Numerics;
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using Dalamud.Bindings.ImGui;
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using Dalamud.Interface;
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using FFXIVClientStructs.FFXIV.Client.UI.Agent;
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using Mappy.Classes;
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using Mappy.Data;
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namespace Mappy.MapRenderer;
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public partial class MapRenderer
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{
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private unsafe void DrawMovementTrail()
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{
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if (!System.SystemConfig.ShowMovementTrail) return;
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var agent = AgentMap.Instance();
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var territoryId = agent->SelectedTerritoryId;
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var mapId = agent->SelectedMapId;
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var now = DateTime.UtcNow.Subtract(DateTime.UnixEpoch).TotalSeconds;
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var fadeTime = System.SystemConfig.MovementTrailFadeTimeSeconds;
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foreach (var pt in System.MovementTrailConfig.GetVisiblePoints(territoryId, mapId).ToList()) {
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var age = now - pt.TimeStamp;
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var alpha = (float)((fadeTime - age) / fadeTime * 0.9);
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if (alpha <= 0f) continue;
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// Same coordinate space as map notes: world X,Z
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var pos = new Vector2(pt.X, pt.Y) * Scale * DrawHelpers.GetMapScaleFactor() + DrawHelpers.GetCombinedOffsetVector() * Scale;
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var size = Math.Clamp(4 * Scale, 3f, 25f);
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var screenPos = ImGui.GetWindowPos() + DrawPosition + pos;
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var color = System.MovementTrailConfig.TrailColor with { W = alpha };
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var drawList = ImGui.GetWindowDrawList();
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drawList.AddCircleFilled(screenPos, size, ImGui.GetColorU32(color));
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}
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}
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}
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