feat(player): port retail augmentation stat chain

tests/AcDream.Core.Tests/Player/PlayerSkillMathTests.cs

@@ -0,0 +1,78 @@
+using AcDream.Core.Items;
+using AcDream.Core.Player;
+using AcDream.Core.Properties;
+using AcDream.Core.Spells;
+
+namespace AcDream.Core.Tests.Player;
+
+public sealed class PlayerSkillMathTests
+{
+    [Fact]
+    public void Calculate_PreservesRetailAugmentationOrdering()
+    {
+        var augmentations = new PlayerSkillMath.AugmentationBonuses(
+            AllSkills: 3,
+            JackOfAllTrades: true,
+            SkilledSpecialized: 4,
+            SkilledMelee: false,
+            SkilledMissile: false,
+            SkilledMagic: true);
+
+        PlayerSkillMath.Value value = PlayerSkillMath.Calculate(
+            intrinsicLevel: 100,
+            skillId: 0x1Fu,
+            advancementClass: 3u,
+            augmentations,
+            enchantment: new EnchantmentMath.VitalMod(0.5f, 0f),
+            vitaeMultiplier: 0.8f);
+
+        Assert.Equal(113, value.UnenchantedLevel); // 100 + all 3 + magic 10
+        Assert.Equal(69, value.EffectiveLevel);    // trunc(113 * .5) + JOAT 5 + spec 8
+        Assert.Equal(-23, value.VitaeModifier);    // trunc(113 * .8) - 113
+    }
+
+    [Theory]
+    [InlineData(0x29u, true, false, false, 10)]
+    [InlineData(0x2Fu, false, true, false, 10)]
+    [InlineData(0x22u, false, false, true, 10)]
+    [InlineData(0x18u, true, true, true, 0)]
+    public void BeforeEnchantments_UsesRetailSkillCategorySwitch(
+        uint skillId,
+        bool melee,
+        bool missile,
+        bool magic,
+        int expectedCategoryBonus)
+    {
+        var augmentations = new PlayerSkillMath.AugmentationBonuses(
+            AllSkills: 2,
+            JackOfAllTrades: false,
+            SkilledSpecialized: 0,
+            SkilledMelee: melee,
+            SkilledMissile: missile,
+            SkilledMagic: magic);
+
+        Assert.Equal(
+            2 + expectedCategoryBonus,
+            augmentations.BeforeEnchantments(skillId));
+    }
+
+    [Fact]
+    public void FromProperties_MapsNamedRetailQualities()
+    {
+        var properties = new PropertyBundle();
+        properties.Ints[(uint)PropertyInt.LumAugAllSkills] = 7;
+        properties.Ints[(uint)PropertyInt.AugmentationJackOfAllTrades] = 1;
+        properties.Ints[(uint)PropertyInt.LumAugSkilledSpec] = 3;
+        properties.Ints[(uint)PropertyInt.AugmentationSkilledMissile] = 2;
+
+        PlayerSkillMath.AugmentationBonuses value =
+            PlayerSkillMath.AugmentationBonuses.FromProperties(properties);
+
+        Assert.Equal(7, value.AllSkills);
+        Assert.True(value.JackOfAllTrades);
+        Assert.Equal(3, value.SkilledSpecialized);
+        Assert.True(value.SkilledMissile);
+        Assert.False(value.SkilledMelee);
+        Assert.False(value.SkilledMagic);
+    }
+}