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DMD3502-Cutscene-JacobTomassi/Cutscene/Assets/LowpolySimpleHouse/PostProcessing/Editor/Models/BloomModelEditor.cs
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using UnityEngine; | |
using UnityEngine.PostProcessing; | |
namespace UnityEditor.PostProcessing | |
{ | |
using Settings = BloomModel.Settings; | |
[PostProcessingModelEditor(typeof(BloomModel))] | |
public class BloomModelEditor : PostProcessingModelEditor | |
{ | |
struct BloomSettings | |
{ | |
public SerializedProperty intensity; | |
public SerializedProperty threshold; | |
public SerializedProperty softKnee; | |
public SerializedProperty radius; | |
public SerializedProperty antiFlicker; | |
} | |
struct LensDirtSettings | |
{ | |
public SerializedProperty texture; | |
public SerializedProperty intensity; | |
} | |
BloomSettings m_Bloom; | |
LensDirtSettings m_LensDirt; | |
public override void OnEnable() | |
{ | |
m_Bloom = new BloomSettings | |
{ | |
intensity = FindSetting((Settings x) => x.bloom.intensity), | |
threshold = FindSetting((Settings x) => x.bloom.threshold), | |
softKnee = FindSetting((Settings x) => x.bloom.softKnee), | |
radius = FindSetting((Settings x) => x.bloom.radius), | |
antiFlicker = FindSetting((Settings x) => x.bloom.antiFlicker) | |
}; | |
m_LensDirt = new LensDirtSettings | |
{ | |
texture = FindSetting((Settings x) => x.lensDirt.texture), | |
intensity = FindSetting((Settings x) => x.lensDirt.intensity) | |
}; | |
} | |
public override void OnInspectorGUI() | |
{ | |
EditorGUILayout.Space(); | |
PrepareGraph(); | |
DrawGraph(); | |
EditorGUILayout.Space(); | |
EditorGUILayout.PropertyField(m_Bloom.intensity); | |
EditorGUILayout.PropertyField(m_Bloom.threshold, EditorGUIHelper.GetContent("Threshold (Gamma)")); | |
EditorGUILayout.PropertyField(m_Bloom.softKnee); | |
EditorGUILayout.PropertyField(m_Bloom.radius); | |
EditorGUILayout.PropertyField(m_Bloom.antiFlicker); | |
EditorGUILayout.Space(); | |
EditorGUILayout.LabelField("Dirt", EditorStyles.boldLabel); | |
EditorGUI.indentLevel++; | |
EditorGUILayout.PropertyField(m_LensDirt.texture); | |
EditorGUILayout.PropertyField(m_LensDirt.intensity); | |
EditorGUI.indentLevel--; | |
} | |
#region Graph | |
float m_GraphThreshold; | |
float m_GraphKnee; | |
float m_GraphIntensity; | |
// Number of vertices in curve | |
const int k_CurveResolution = 48; | |
// Vertex buffers | |
Vector3[] m_RectVertices = new Vector3[4]; | |
Vector3[] m_LineVertices = new Vector3[2]; | |
Vector3[] m_CurveVertices = new Vector3[k_CurveResolution]; | |
Rect m_RectGraph; | |
float m_RangeX; | |
float m_RangeY; | |
float ResponseFunction(float x) | |
{ | |
var rq = Mathf.Clamp(x - m_GraphThreshold + m_GraphKnee, 0, m_GraphKnee * 2); | |
rq = rq * rq * 0.25f / m_GraphKnee; | |
return Mathf.Max(rq, x - m_GraphThreshold) * m_GraphIntensity; | |
} | |
// Transform a point into the graph rect | |
Vector3 PointInRect(float x, float y) | |
{ | |
x = Mathf.Lerp(m_RectGraph.x, m_RectGraph.xMax, x / m_RangeX); | |
y = Mathf.Lerp(m_RectGraph.yMax, m_RectGraph.y, y / m_RangeY); | |
return new Vector3(x, y, 0); | |
} | |
// Draw a line in the graph rect | |
void DrawLine(float x1, float y1, float x2, float y2, float grayscale) | |
{ | |
m_LineVertices[0] = PointInRect(x1, y1); | |
m_LineVertices[1] = PointInRect(x2, y2); | |
Handles.color = Color.white * grayscale; | |
Handles.DrawAAPolyLine(2.0f, m_LineVertices); | |
} | |
// Draw a rect in the graph rect | |
void DrawRect(float x1, float y1, float x2, float y2, float fill, float line) | |
{ | |
m_RectVertices[0] = PointInRect(x1, y1); | |
m_RectVertices[1] = PointInRect(x2, y1); | |
m_RectVertices[2] = PointInRect(x2, y2); | |
m_RectVertices[3] = PointInRect(x1, y2); | |
Handles.DrawSolidRectangleWithOutline( | |
m_RectVertices, | |
fill < 0 ? Color.clear : Color.white * fill, | |
line < 0 ? Color.clear : Color.white * line | |
); | |
} | |
// Update internal state with a given bloom instance | |
public void PrepareGraph() | |
{ | |
var bloom = (BloomModel)target; | |
m_RangeX = 5f; | |
m_RangeY = 2f; | |
m_GraphThreshold = bloom.settings.bloom.thresholdLinear; | |
m_GraphKnee = bloom.settings.bloom.softKnee * m_GraphThreshold + 1e-5f; | |
// Intensity is capped to prevent sampling errors | |
m_GraphIntensity = Mathf.Min(bloom.settings.bloom.intensity, 10f); | |
} | |
// Draw the graph at the current position | |
public void DrawGraph() | |
{ | |
using (new GUILayout.HorizontalScope()) | |
{ | |
GUILayout.Space(EditorGUI.indentLevel * 15f); | |
m_RectGraph = GUILayoutUtility.GetRect(128, 80); | |
} | |
// Background | |
DrawRect(0, 0, m_RangeX, m_RangeY, 0.1f, 0.4f); | |
// Soft-knee range | |
DrawRect(m_GraphThreshold - m_GraphKnee, 0, m_GraphThreshold + m_GraphKnee, m_RangeY, 0.25f, -1); | |
// Horizontal lines | |
for (var i = 1; i < m_RangeY; i++) | |
DrawLine(0, i, m_RangeX, i, 0.4f); | |
// Vertical lines | |
for (var i = 1; i < m_RangeX; i++) | |
DrawLine(i, 0, i, m_RangeY, 0.4f); | |
// Label | |
Handles.Label( | |
PointInRect(0, m_RangeY) + Vector3.right, | |
"Brightness Response (linear)", EditorStyles.miniLabel | |
); | |
// Threshold line | |
DrawLine(m_GraphThreshold, 0, m_GraphThreshold, m_RangeY, 0.6f); | |
// Response curve | |
var vcount = 0; | |
while (vcount < k_CurveResolution) | |
{ | |
var x = m_RangeX * vcount / (k_CurveResolution - 1); | |
var y = ResponseFunction(x); | |
if (y < m_RangeY) | |
{ | |
m_CurveVertices[vcount++] = PointInRect(x, y); | |
} | |
else | |
{ | |
if (vcount > 1) | |
{ | |
// Extend the last segment to the top edge of the rect. | |
var v1 = m_CurveVertices[vcount - 2]; | |
var v2 = m_CurveVertices[vcount - 1]; | |
var clip = (m_RectGraph.y - v1.y) / (v2.y - v1.y); | |
m_CurveVertices[vcount - 1] = v1 + (v2 - v1) * clip; | |
} | |
break; | |
} | |
} | |
if (vcount > 1) | |
{ | |
Handles.color = Color.white * 0.9f; | |
Handles.DrawAAPolyLine(2.0f, vcount, m_CurveVertices); | |
} | |
} | |
#endregion | |
} | |
} |