using System;
using System.Runtime.CompilerServices;
using UnityEngine;
namespace UnityEditor.Rendering
{
public static partial class CameraUI
{
/// <summary>
/// Physical camera related drawers
/// </summary>
public static partial class PhysicalCamera
{
// Saves the value of the sensor size when the user switches from "custom" size to a preset per camera.
// We use a ConditionalWeakTable instead of a Dictionary to avoid keeping alive (with strong references) deleted cameras
static ConditionalWeakTable<Camera, object> s_PerCameraSensorSizeHistory = new ConditionalWeakTable<Camera, object>();
/// <summary>Draws Body Sensor related fields on the inspector</summary>
/// <param name="p"><see cref="ISerializedCamera"/> The serialized camera</param>
/// <param name="owner"><see cref="Editor"/> The editor owner calling this drawer</param>
public static void Drawer_PhysicalCamera_CameraBody_Sensor(ISerializedCamera p, Editor owner)
{
var cam = p.baseCameraSettings;
EditorGUI.BeginChangeCheck();
int oldFilmGateIndex = Array.IndexOf(Styles.apertureFormatValues, new Vector2((float)Math.Round(cam.sensorSize.vector2Value.x, 3), (float)Math.Round(cam.sensorSize.vector2Value.y, 3)));
// If it is not one of the preset sizes, set it to custom
oldFilmGateIndex = (oldFilmGateIndex == -1) ? Styles.customPresetIndex : oldFilmGateIndex;
// Get the new user selection
int newFilmGateIndex = EditorGUILayout.Popup(Styles.sensorType, oldFilmGateIndex, Styles.apertureFormatNames);
if (EditorGUI.EndChangeCheck())
{
// Retrieve the previous custom size value, if one exists for this camera
object previousCustomValue;
s_PerCameraSensorSizeHistory.TryGetValue((Camera)p.serializedObject.targetObject, out previousCustomValue);
// When switching from custom to a preset, update the last custom value (to display again, in case the user switches back to custom)
if (oldFilmGateIndex == Styles.customPresetIndex)
{
if (previousCustomValue == null)
{
s_PerCameraSensorSizeHistory.Add((Camera)p.serializedObject.targetObject, cam.sensorSize.vector2Value);
}
else
{
previousCustomValue = cam.sensorSize.vector2Value;
}
}
if (newFilmGateIndex < Styles.customPresetIndex)
{
cam.sensorSize.vector2Value = Styles.apertureFormatValues[newFilmGateIndex];
}
else
{
// The user switched back to custom, so display by deafulr the previous custom value
if (previousCustomValue != null)
{
cam.sensorSize.vector2Value = (Vector2)previousCustomValue;
}
else
{
cam.sensorSize.vector2Value = new Vector2(36.0f, 24.0f); // this is the value new cameras are created with
}
}
}
EditorGUILayout.PropertyField(cam.sensorSize, Styles.sensorSize);
}
/// <summary>Draws Gate fit related fields on the inspector</summary>
/// <param name="p"><see cref="ISerializedCamera"/> The serialized camera</param>
/// <param name="owner"><see cref="Editor"/> The editor owner calling this drawer</param>
public static void Drawer_PhysicalCamera_CameraBody_GateFit(ISerializedCamera p, Editor owner)
{
var cam = p.baseCameraSettings;
using (var horizontal = new EditorGUILayout.HorizontalScope())
using (var propertyScope = new EditorGUI.PropertyScope(horizontal.rect, Styles.gateFit, cam.gateFit))
using (var checkScope = new EditorGUI.ChangeCheckScope())
{
int gateValue = (int)(Camera.GateFitMode)EditorGUILayout.EnumPopup(propertyScope.content, (Camera.GateFitMode)cam.gateFit.intValue);
if (checkScope.changed)
cam.gateFit.intValue = gateValue;
}
}
/// <summary>Draws Focal Length related fields on the inspector</summary>
/// <param name="p"><see cref="ISerializedCamera"/> The serialized camera</param>
/// <param name="owner"><see cref="Editor"/> The editor owner calling this drawer</param>
public static void Drawer_PhysicalCamera_Lens_FocalLength(ISerializedCamera p, Editor owner)
{
var cam = p.baseCameraSettings;
using (var horizontal = new EditorGUILayout.HorizontalScope())
using (new EditorGUI.PropertyScope(horizontal.rect, Styles.focalLength, cam.focalLength))
using (var checkScope = new EditorGUI.ChangeCheckScope())
{
bool isPhysical = p.projectionMatrixMode.intValue == (int)CameraUI.ProjectionMatrixMode.PhysicalPropertiesBased;
// We need to update the focal length if the camera is physical and the FoV has changed.
bool focalLengthIsDirty = (s_FovChanged && isPhysical);
float sensorLength = cam.fovAxisMode.intValue == 0 ? cam.sensorSize.vector2Value.y : cam.sensorSize.vector2Value.x;
float focalLengthVal = focalLengthIsDirty ? Camera.FieldOfViewToFocalLength(s_FovLastValue, sensorLength) : cam.focalLength.floatValue;
focalLengthVal = EditorGUILayout.FloatField(Styles.focalLength, focalLengthVal);
if (checkScope.changed || focalLengthIsDirty)
cam.focalLength.floatValue = focalLengthVal;
}
}
/// <summary>Draws Lens Shift related fields on the inspector</summary>
/// <param name="p"><see cref="ISerializedCamera"/> The serialized camera</param>
/// <param name="owner"><see cref="Editor"/> The editor owner calling this drawer</param>
public static void Drawer_PhysicalCamera_Lens_Shift(ISerializedCamera p, Editor owner)
{
EditorGUILayout.PropertyField(p.baseCameraSettings.lensShift, Styles.shift);
}
/// <summary>Draws Focus Distance related fields on the inspector</summary>
/// <param name="p"><see cref="ISerializedCamera"/> The serialized camera</param>
/// <param name="owner"><see cref="Editor"/> The editor owner calling this drawer</param>
public static void Drawer_PhysicalCamera_FocusDistance(ISerializedCamera p, Editor owner)
{
var cam = p.baseCameraSettings;
EditorGUILayout.PropertyField(cam.focusDistance, Styles.focusDistance);
}
/// <summary>Draws ISO related fields on the inspector</summary>
/// <param name="p"><see cref="ISerializedCamera"/> The serialized camera</param>
/// <param name="owner"><see cref="Editor"/> The editor owner calling this drawer</param>
public static void Drawer_PhysicalCamera_CameraBody_ISO(ISerializedCamera p, Editor owner)
{
var cam = p.baseCameraSettings;
EditorGUILayout.PropertyField(cam.iso, Styles.ISO);
}
static EditorPrefBoolFlags<ShutterSpeedUnit> m_ShutterSpeedState = new EditorPrefBoolFlags<ShutterSpeedUnit>($"HDRP:{nameof(CameraUI)}:ShutterSpeedState");
enum ShutterSpeedUnit
{
[InspectorName("Second")]
Second,
[InspectorName("1 \u2215 Second")] // Don't use a slash here else Unity will auto-create a submenu...
OneOverSecond
}
/// <summary>Draws Shutter Speed related fields on the inspector</summary>
/// <param name="p"><see cref="ISerializedCamera"/> The serialized camera</param>
/// <param name="owner"><see cref="Editor"/> The editor owner calling this drawer</param>
public static void Drawer_PhysicalCamera_CameraBody_ShutterSpeed(ISerializedCamera p, Editor owner)
{
var cam = p.baseCameraSettings;
// Custom layout for shutter speed
const int k_UnitMenuWidth = 90;
const int k_OffsetPerIndent = 15;
const int k_LabelFieldSeparator = 2;
const int k_Offset = 1;
int oldIndentLevel = EditorGUI.indentLevel;
// Don't take into account the indentLevel when rendering the units field
EditorGUI.indentLevel = 0;
var lineRect = EditorGUILayout.GetControlRect();
var fieldRect = new Rect(k_OffsetPerIndent + k_LabelFieldSeparator + k_Offset, lineRect.y, lineRect.width - k_UnitMenuWidth, lineRect.height);
var unitMenu = new Rect(fieldRect.xMax + k_LabelFieldSeparator, lineRect.y, k_UnitMenuWidth - k_LabelFieldSeparator, lineRect.height);
// We cannot had the shutterSpeedState as this is not a serialized property but a global edition mode.
// This imply that it will never go bold nor can be reverted in prefab overrides
m_ShutterSpeedState.value = (ShutterSpeedUnit)EditorGUI.EnumPopup(unitMenu, m_ShutterSpeedState.value);
// Reset the indent level
EditorGUI.indentLevel = oldIndentLevel;
EditorGUI.BeginProperty(fieldRect, Styles.shutterSpeed, cam.shutterSpeed);
{
// if we we use (1 / second) units, then change the value for the display and then revert it back
if (m_ShutterSpeedState.value == ShutterSpeedUnit.OneOverSecond && cam.shutterSpeed.floatValue > 0)
cam.shutterSpeed.floatValue = 1.0f / cam.shutterSpeed.floatValue;
EditorGUI.PropertyField(fieldRect, cam.shutterSpeed, Styles.shutterSpeed);
if (m_ShutterSpeedState.value == ShutterSpeedUnit.OneOverSecond && cam.shutterSpeed.floatValue > 0)
cam.shutterSpeed.floatValue = 1.0f / cam.shutterSpeed.floatValue;
}
EditorGUI.EndProperty();
}
/// <summary>Draws Lens Aperture related fields on the inspector</summary>
/// <param name="p"><see cref="ISerializedCamera"/> The serialized camera</param>
/// <param name="owner"><see cref="Editor"/> The editor owner calling this drawer</param>
public static void Drawer_PhysicalCamera_Lens_Aperture(ISerializedCamera p, Editor owner)
{
var cam = p.baseCameraSettings;
// Custom layout for aperture
var rect = EditorGUILayout.BeginHorizontal();
{
// Magic values/offsets to get the UI look consistent
const float textRectSize = 80;
const float textRectPaddingRight = 62;
const float unitRectPaddingRight = 97;
const float sliderPaddingLeft = 2;
const float sliderPaddingRight = 77;
var labelRect = rect;
labelRect.width = EditorGUIUtility.labelWidth;
labelRect.height = EditorGUIUtility.singleLineHeight;
EditorGUI.LabelField(labelRect, Styles.aperture);
GUI.SetNextControlName("ApertureSlider");
var sliderRect = rect;
sliderRect.x += labelRect.width + sliderPaddingLeft;
sliderRect.width = rect.width - labelRect.width - sliderPaddingRight;
float newVal = GUI.HorizontalSlider(sliderRect, cam.aperture.floatValue, Camera.kMinAperture, Camera.kMaxAperture);
// keep only 2 digits of precision, like the otehr editor fields
newVal = Mathf.Floor(100 * newVal) / 100.0f;
if (cam.aperture.floatValue != newVal)
{
cam.aperture.floatValue = newVal;
// Note: We need to move the focus when the slider changes, otherwise the textField will not update
GUI.FocusControl("ApertureSlider");
}
var unitRect = rect;
unitRect.x += rect.width - unitRectPaddingRight;
unitRect.width = textRectSize;
unitRect.height = EditorGUIUtility.singleLineHeight;
EditorGUI.LabelField(unitRect, "f /", EditorStyles.label);
var textRect = rect;
textRect.x = rect.width - textRectPaddingRight;
textRect.width = textRectSize;
textRect.height = EditorGUIUtility.singleLineHeight;
string newAperture = EditorGUI.TextField(textRect, cam.aperture.floatValue.ToString());
if (float.TryParse(newAperture, out float parsedValue))
cam.aperture.floatValue = Mathf.Clamp(parsedValue, Camera.kMinAperture, Camera.kMaxAperture);
}
EditorGUILayout.EndHorizontal();
EditorGUILayout.Space(EditorGUIUtility.singleLineHeight);
}
/// <summary>Draws Aperture Shape related fields on the inspector</summary>
/// <param name="p"><see cref="ISerializedCamera"/> The serialized camera</param>
/// <param name="owner"><see cref="Editor"/> The editor owner calling this drawer</param>
public static void Drawer_PhysicalCamera_ApertureShape(ISerializedCamera p, Editor owner)
{
var cam = p.baseCameraSettings;
EditorGUILayout.PropertyField(cam.bladeCount, Styles.bladeCount);
using (var horizontal = new EditorGUILayout.HorizontalScope())
using (var propertyScope = new EditorGUI.PropertyScope(horizontal.rect, Styles.curvature, cam.curvature))
{
var v = cam.curvature.vector2Value;
// The layout system breaks alignment when mixing inspector fields with custom layout'd
// fields as soon as a scrollbar is needed in the inspector, so we'll do the layout
// manually instead
const int kFloatFieldWidth = 50;
const int kSeparatorWidth = 5;
float indentOffset = EditorGUI.indentLevel * 15f;
var lineRect = EditorGUILayout.GetControlRect();
var labelRect = new Rect(lineRect.x, lineRect.y, EditorGUIUtility.labelWidth - indentOffset, lineRect.height);
var floatFieldLeft = new Rect(labelRect.xMax, lineRect.y, kFloatFieldWidth + indentOffset, lineRect.height);
var sliderRect = new Rect(floatFieldLeft.xMax + kSeparatorWidth - indentOffset, lineRect.y, lineRect.width - labelRect.width - kFloatFieldWidth * 2 - kSeparatorWidth * 2, lineRect.height);
var floatFieldRight = new Rect(sliderRect.xMax + kSeparatorWidth - indentOffset, lineRect.y, kFloatFieldWidth + indentOffset, lineRect.height);
EditorGUI.PrefixLabel(labelRect, propertyScope.content);
v.x = EditorGUI.FloatField(floatFieldLeft, v.x);
EditorGUI.MinMaxSlider(sliderRect, ref v.x, ref v.y, Camera.kMinAperture, Camera.kMaxAperture);
v.y = EditorGUI.FloatField(floatFieldRight, v.y);
cam.curvature.vector2Value = v;
}
EditorGUILayout.PropertyField(cam.barrelClipping, Styles.barrelClipping);
EditorGUILayout.PropertyField(cam.anamorphism, Styles.anamorphism);
}
}
}
}