85 lines
1.9 KiB
C#
85 lines
1.9 KiB
C#
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using Sandbox.UI;
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using Sandbox.UI.Construct;
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using SWB.Shared;
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using System;
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namespace SWB.Base.UI;
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public class SniperScope : Panel
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{
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IPlayerBase player => weapon.Owner;
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Weapon weapon;
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Panel lensWrapper;
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Panel scope;
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float lensRotation;
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public SniperScope( Weapon weapon, string lensTexture, string scopeTexture )
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{
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this.weapon = weapon;
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StyleSheet.Load( "/swb_base/ui/SniperScope.cs.scss" );
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AddClass( "hide" );
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if ( scopeTexture != null )
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Add.Panel( "leftBar" );
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lensWrapper = Add.Panel( "lensWrapper" );
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lensWrapper.Add.Image( lensTexture, "lens" );
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if ( scopeTexture != null )
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{
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scope = lensWrapper.Add.Image( scopeTexture, "scope" );
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Add.Panel( "rightBar" );
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Add.Panel( "topBar" );
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Add.Panel( "bottomBar" );
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}
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}
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public override void Tick()
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{
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if ( weapon is null ) return;
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// Scope size
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var scopeSize = Screen.Height * ScaleFromScreen;
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lensWrapper.Style.Width = Length.Pixels( scopeSize );
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// Show when zooming
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SetClass( "hide", !weapon.IsScoping );
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// Check if ADS & firing
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if ( weapon.IsAiming && weapon.TimeSincePrimaryShoot < 0.1f )
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return;
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// Movement impact
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var velocityJump = 0.02f;
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var velocityMove = 0.005f;
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var lensBob = 0f;
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if ( velocityJump != 0 )
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{
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lensBob += velocityJump;
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}
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else if ( velocityMove != 0 )
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{
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lensBob += MathF.Sin( RealTime.Now * 17f ) * velocityMove;
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}
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Style.MarginTop = Length.Percent( velocityJump + lensBob );
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if ( scope == null ) return;
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// Rotation impact
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var rightVector = player.Camera.WorldRotation.Right * 0f;
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var targetRotation = (rightVector.y + rightVector.x) * 0.015f;
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var rotateTransform = new PanelTransform();
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lensRotation = MathUtil.FILerp( lensRotation, targetRotation, 20 );
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rotateTransform.AddRotation( 0, 0, lensRotation );
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scope.Style.Transform = rotateTransform;
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// Movement blur
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scope.Style.FilterBlur = Math.Abs( lensRotation * 2 + velocityJump + lensBob );
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}
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}
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