PercentCDR

// PercentCDR.cs "$Revision: 2592 $" "$Date: 2019-09-23 19:59:38 +0300 (ma, 23 syys 2019) $"
// https://www.ownedcore.com/forums/diablo-3/turbohud/turbohud-community-plugins/796632-cdr-rcr-percent-plugin.html
// https://pastebin.com/3s40U47n
using System;
using System.Globalization;
using System.Linq;
using SharpDX;
using Turbo.Plugins.Default;

namespace Turbo.Plugins.JarJar.DefaultUI
{
    public class PercentCDR : BasePlugin, IInGameTopPainter
    {
        public bool ShowCooldownReduction { get; set; } = true;
        public bool ShowCooldownReductionItems { get; set; } = true;
        public bool ShowResourceCostReduction { get; set; } = true;
        public bool ShowResourceCostReductionItems { get; set; } = true;

        public IFont LabelHeader { get; set; }
        public IFont LabelCDR { get; set; }
        public IFont PerfectCDR { get; set; }
        public IFont LabelRCR { get; set; }
        public IFont PerfectRCR { get; set; }
        public IFont CanNotEnchantFont { get; set; }
        public float RcrOffset = 15f;   // Works with tahoma 6 pt.

        public string FormatCdrRcr { get; set; } = "CDR {0:0.00} % RCR {1:0.00} %";
        public string FormatCdr { get; set; } = "CDR {0:0.00} %";
        public string FormatCdrItem { get; set; } = "{0:0}";
        public string FormatRcr { get; set; } = "RCR {0:0.00} %";
        public string FormatRcrItem { get; set; } = "{0:0}";
        public string EnchantMoreMarker { get; set; } = "+";
        public string CanNotEnchantMarker { get; set; } = "0";

        public float InventoryHeaderRatioX { get; set; } = 0.08f;
        public float InventoryHeaderRatioY { get; set; } = 0.12f;

        private float rv;

        public PercentCDR() { Enabled = true; Order = 100; }

        public override void Load(IController hud)
        {
            base.Load(hud);

            Color textColor;
            textColor = Color.White;
            LabelHeader = Hud.Render.CreateFont("tahoma", 6, 255, textColor.R, textColor.G, textColor.B, true, false, 255, 0, 0, 0, true);

            textColor = Color.White;
            LabelCDR = Hud.Render.CreateFont("tahoma", 6, 255, textColor.R, textColor.G, textColor.B, true, false, 255, 0, 0, 0, true);
            textColor = Color.LawnGreen;
            PerfectCDR = Hud.Render.CreateFont("tahoma", 6, 255, textColor.R, textColor.G, textColor.B, true, false, 255, 0, 0, 0, true);

            textColor = Color.White;
            LabelRCR = Hud.Render.CreateFont("tahoma", 6, 255, textColor.R, textColor.G, textColor.B, true, false, 255, 0, 0, 0, true);
            textColor = Color.LawnGreen;
            PerfectRCR = Hud.Render.CreateFont("tahoma", 6, 255, textColor.R, textColor.G, textColor.B, true, false, 255, 0, 0, 0, true);

            textColor = Color.Firebrick;
            CanNotEnchantFont = Hud.Render.CreateFont("tahoma", 6, 255, textColor.R, textColor.G, textColor.B, true, false, 255, 0, 0, 0, true);
        }

        public void PaintTopInGame(ClipState clipState)
        {
            if (clipState != ClipState.Inventory) return;
            if (!Hud.Game.IsInTown) return;

            var uiInv = Hud.Inventory.InventoryMainUiElement;
            if (!uiInv.Visible) return;
            var player = Hud.Game.Me;

            rv = 32.0f / 600.0f * Hud.Window.Size.Height;

            if (ShowCooldownReductionItems || ShowResourceCostReductionItems)
            {
                var equippedItems = Hud.Game.Items.Where(x => x.Location >= ItemLocation.Head && x.Location <= ItemLocation.Neck);
                foreach (var item in equippedItems)
                {
                    var rect = Hud.Inventory.GetItemRect(item);
                    if (rect == System.Drawing.RectangleF.Empty)
                        continue;
                    var cdrItem = (item.Location >= ItemLocation.RightHand && item.Location <= ItemLocation.Waist) || item.Location == ItemLocation.Shoulders ||
                        (item.Location >= ItemLocation.LeftRing && item.Location <= ItemLocation.Neck);
                    var code = item.SnoItem.Code;
                    var rcrItem = !(code == "belt" || code == "boots" || code == "bracers" || code == "chestarmor" || code == "helm" || code == "pants");
                    if (cdrItem || rcrItem)
                    {
                        handleItem(item, cdrItem, rcrItem, rect);
                    }
                }
            }
            string labelText;
            if (ShowCooldownReduction && ShowResourceCostReduction)
            {
                labelText = string.Format(CultureInfo.InstalledUICulture, FormatCdrRcr, player.Stats.CooldownReduction * 100f, player.Stats.ResourceCostReduction * 100f);
            }
            else if (ShowCooldownReduction)
            {
                labelText = string.Format(CultureInfo.InstalledUICulture, FormatCdr, player.Stats.CooldownReduction * 100f);
            }
            else if (ShowResourceCostReduction)
            {
                labelText = string.Format(CultureInfo.InstalledUICulture, FormatRcr, player.Stats.ResourceCostReduction * 100f);
            }
            else
            {
                return;
            }
            var xCoord = uiInv.Rectangle.Left + (uiInv.Rectangle.Width * InventoryHeaderRatioX);
            var yCoord = uiInv.Rectangle.Top + (uiInv.Rectangle.Height * InventoryHeaderRatioY);
            LabelHeader.DrawText(labelText, xCoord, yCoord);
        }

        private void handleItem(IItem item, bool cdrItem, bool rcrItem, System.Drawing.RectangleF rect)
        {
            string cdrText = null;
            var cdrFont = LabelCDR;
            if (cdrItem)
            {
                var needsMore = true;
                var perfection = item.Perfections?.FirstOrDefault(x => x.Attribute.Code == "Power_Cooldown_Reduction_Percent_All");
                if (perfection != null)
                {
                    var isWeapon = item.SnoItem.HasGroupCode("weapons");
                    var cdr = Math.Round(perfection.Cur * 100, 3);
                    var cdrTest = Math.Round(perfection.Cur * 100, 0);
                    needsMore = isWeapon ? (cdrTest < 10.0) : (cdrTest < 8.0);
                    cdrText = string.Format(CultureInfo.InvariantCulture, FormatCdrItem, cdr);
                    if (needsMore)
                    {
                        var enhancedItemMod = GetEnhancedItemMod(item);
                        var isEnchanted = IsEnchantedFor(enhancedItemMod, perfection.Attribute.Code);
                        if (isEnchanted)
                        {
                            cdrText += EnchantMoreMarker;
                        }
                    }
                    else
                    {
                        cdrFont = PerfectCDR;
                    }
                }
                else
                {
                    var enhancedItemMod = GetEnhancedItemMod(item);
                    if (enhancedItemMod == null)
                    {
                        cdrText = EnchantMoreMarker;
                    }
                    else
                    {
                        cdrText = CanNotEnchantMarker;
                        cdrFont = CanNotEnchantFont;
                    }
                }
            }
            string rcrText = null;
            var rcrFont = LabelRCR;
            if (rcrItem)
            {
                var perfection = item.Perfections?.FirstOrDefault(x => x.Attribute.Code == "Resource_Cost_Reduction_Percent_All");
                if (perfection != null)
                {
                    var isYang = item.SnoItem.NameEnglish == "Yang's Recurve";  // AFAIK the only exception!
                    var rcr = Math.Round(perfection.Cur * 100, 3);
                    var rcrTest = Math.Round(perfection.Cur * 100, 0);
                    var needsMore = isYang ? (rcrTest < 50.0) : (rcrTest < 8.0);
                    rcrText = string.Format(CultureInfo.InvariantCulture, FormatRcrItem, rcr);
                    if (needsMore)
                    {
                        var enhancedItemMod = GetEnhancedItemMod(item);
                        var isEnchanted = IsEnchantedFor(enhancedItemMod, perfection.Attribute.Code);
                        if (isEnchanted)
                        {
                            rcrText += EnchantMoreMarker;
                        }
                    }
                    else
                    {
                        rcrFont = PerfectRCR;
                    }
                }
                else
                {
                    var enhancedItemMod = GetEnhancedItemMod(item);
                    if (enhancedItemMod == null)
                    {
                        rcrText = EnchantMoreMarker;
                    }
                    else
                    {
                        rcrText = CanNotEnchantMarker;
                        rcrFont = CanNotEnchantFont;
                    }
                }
            }
            // Top right corner.
            if (cdrText != null)
            {
                var layout = cdrFont.GetTextLayout(cdrText);
                cdrFont.DrawText(layout, rect.Right + (rv / 20.0f), rect.Top + (layout.Metrics.Height / 6f));
                if (RcrOffset == 0f)
                {
                    RcrOffset = 1.05f * layout.Metrics.Height;
                    Hud.Debug("RcrOffset " + RcrOffset.ToString());
                }
            }
            if (rcrText != null)
            {
                var layout = rcrFont.GetTextLayout(rcrText);
                rcrFont.DrawText(layout, rect.Right + (rv / 20.0f), rect.Top + (layout.Metrics.Height / 6f) + RcrOffset);
            }
        }

        private static bool IsEnchantedFor(ISnoItemMod itemMod, string code)
        {
            return itemMod != null && itemMod.Attribute.Code == code;
        }

        private static ISnoItemMod GetEnhancedItemMod(IItem item)
        {
            var affix = item.EnchantedAffixNew != 0 && item.Affixes != null ? item.Affixes.FirstOrDefault(x => x.Id == item.EnchantedAffixNew) : null;
            return affix != null && affix.Mods.Length > 0 ? affix.Mods[0] : null;
        }
    }
}