// Place this file inside an Editor/ folder in your project
using UnityEditor;
using UnityEngine;

public class ToonBilalEditor : ShaderGUI
{
    static readonly System.Collections.Generic.Dictionary<string, string> tooltips = new()
    {
        { "_ToonEnabled",           "Enables or disables the entire toon filter. When off, the original image is returned with no processing." },
        { "_ShaderWeight",          "Global blend weight of the shader. 0 = original image, 1 = full effect." },

        { "_ToonSteps",             "Number of brightness bands. 2 = very graphic, 6+ = nearly smooth." },
        { "_ShadowStrength",        "Brightness of shadow areas. Lower = darker, moodier shadows like Bilal." },
        { "_HighlightBoost",        "Multiplier applied to bright areas. Higher = near-white blown-out highlights like Bilal's lit zones." },
        { "_HighlightThreshold",    "Brightness level above which highlights get blown out. Lower = more surfaces affected." },

        { "_OutlineThickness",      "Base outline thickness in pixels." },
        { "_OutlineThicknessVar",   "World-space random thickness variation. 0 = uniform, 1 = organic hand-drawn look." },
        { "_DepthThreshold",        "Depth outline detection threshold in meters (linearized). Higher = only detects strong silhouettes, ignores polygon edges." },
        { "_ColorThreshold",        "Color outline detection threshold. Lower = more outlines detected." },
        { "_DepthOutlineStrength",  "Strength of depth-detected outlines (silhouettes, geometric edges)." },
        { "_ColorOutlineStrength",  "Strength of color-detected outlines (material changes)." },
        { "_OutlineSoftness",       "Blends between thin (0) and thick soft (1) outlines." },
        { "_OutlineColorBlend",     "How much surface color bleeds into the outline. 0 = black, 1 = colored." },
        { "_OutlineDarken",         "Darkens the surface color for the outline. 1 = fully black." },
        { "_OutlineDistanceFade",   "Distance in meters at which outlines fully fade out. Prevents polygon edges from showing on distant geometry." },

        { "_OutlineFadeStart",      "Brightness at which outlines start fading on bright surfaces." },
        { "_OutlineFadeEnd",        "Brightness at which outlines are fully gone on bright surfaces." },
        { "_OutlineFadeStrength",   "Strength of outline fade on bright areas." },
        { "_OutlineBrightMin",      "Minimum outline visibility even on very bright surfaces." },

        { "_HatchTex",              "Hatching texture (black strokes on white). Use a pencil or pen texture." },
        { "_HatchScale",            "World-space scale of hatching layer 1." },
        { "_HatchStrength",         "Global hatching intensity. 0 = none, 1 = full." },
        { "_HatchThreshold",        "Shadow threshold for hatching. Higher = hatching only in darkest zones." },
        { "_CurvatureStrength",     "Amplifies detected curvature. Higher = more hatching on rounded surfaces." },
        { "_FlatSurface",           "Minimum hatching on flat surfaces. 0 = flat surfaces fully hatched too." },

        { "_HatchScale2",           "Scale of cross-hatch layer 2, rotated to a different angle." },
        { "_HatchScale3",           "Scale of third hatch layer, used in very dark and curved zones." },
        { "_HatchRotation",         "Rotation angle in radians between hatch layers. 0.785 ≈ 45°." },
        { "_HatchLayerBlend",       "Base blend toward cross-hatch. Increases automatically in darker zones." },
        { "_HatchOrganicNoise",     "Organic deformation via FBM noise. 0 = rigid, 1 = wavy hand-drawn." },
        { "_HatchOrganicScale",     "Scale of organic deformation noise." },
        { "_HatchDensityCurve",     "Density curve shape. Lower = wider shadow coverage." },
        { "_TriplanarSharpness",    "Sharpness of triplanar projection blending." },

        { "_HatchColorBlend",       "Surface color blend into hatching. 0 = black strokes, 1 = colored strokes." },
        { "_HatchDarken",           "Darkens surface color for hatching strokes." },
        { "_HatchGrainScale",       "Scale of world-space paper grain on hatching." },
        { "_HatchGrainStrength",    "Strength of paper grain blended into hatching." },
        { "_HatchPressure",         "Simulated pen pressure variation. 0 = uniform, 1 = irregular." },

        { "_BrushTex",              "Brush texture for gouache shadow areas." },
        { "_GouacheScale",          "World-space scale of gouache brush texture." },
        { "_GouacheStrength",       "Strength of gouache effect in shadow areas." },
        { "_GouacheThreshold",      "Brightness below which gouache activates." },
        { "_GouacheSaturation",     "Saturation boost in gouache areas. >1 = richer colors." },
        { "_GouachePosterize",      "Posterization steps for gouache. 1 = flat, 6 = continuous." },
        { "_GouacheBlend",          "Blend between hatching and gouache in dark zones." },
    };

    public override void OnGUI(MaterialEditor editor, MaterialProperty[] props)
    {
        foreach (var prop in props)
        {
            string tooltip = tooltips.ContainsKey(prop.name) ? tooltips[prop.name] : prop.displayName;
            GUIContent label = new GUIContent(prop.displayName, tooltip);
            editor.ShaderProperty(prop, label);
        }

        EditorGUILayout.Space();
        editor.RenderQueueField();
        editor.EnableInstancingField();
    }
}