110 lines
2.6 KiB
C#
110 lines
2.6 KiB
C#
using RoR2.ConVar;
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using UnityEngine;
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namespace RoR2;
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[DisallowMultipleComponent]
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[RequireComponent(typeof(Camera))]
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public class CameraResolutionScaler : MonoBehaviour
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{
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private class ResolutionScaleConVar : BaseConVar
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{
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private static ResolutionScaleConVar instance = new ResolutionScaleConVar("resolution_scale", ConVarFlags.Archive, null, "Resolution scale. Currently nonfunctional.");
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private ResolutionScaleConVar(string name, ConVarFlags flags, string defaultValue, string helpText)
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: base(name, flags, defaultValue, helpText)
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{
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}
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public override void SetString(string newValue)
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{
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TextSerialization.TryParseInvariant(newValue, out float _);
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}
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public override string GetString()
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{
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return TextSerialization.ToStringInvariant(resolutionScale);
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}
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}
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private RenderTexture oldRenderTexture;
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private static float resolutionScale = 1f;
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private RenderTexture scalingRenderTexture;
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public Camera camera { get; private set; }
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private void Awake()
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{
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camera = GetComponent<Camera>();
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}
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private void OnPreRender()
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{
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ApplyScalingRenderTexture();
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}
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private void OnRenderImage(RenderTexture source, RenderTexture destination)
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{
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if (!scalingRenderTexture)
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{
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Graphics.Blit(source, destination);
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return;
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}
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camera.targetTexture = oldRenderTexture;
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Graphics.Blit(source, oldRenderTexture);
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oldRenderTexture = null;
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}
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private static void SetResolutionScale(float newResolutionScale)
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{
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if (resolutionScale != newResolutionScale)
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{
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resolutionScale = newResolutionScale;
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}
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}
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private void ApplyScalingRenderTexture()
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{
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oldRenderTexture = camera.targetTexture;
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bool flag = resolutionScale != 1f;
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camera.targetTexture = null;
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Rect pixelRect = camera.pixelRect;
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int num = Mathf.FloorToInt(pixelRect.width * resolutionScale);
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int num2 = Mathf.FloorToInt(pixelRect.height * resolutionScale);
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if ((bool)scalingRenderTexture && (scalingRenderTexture.width != num || scalingRenderTexture.height != num2))
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{
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Object.Destroy(scalingRenderTexture);
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scalingRenderTexture = null;
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}
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if (flag != (bool)scalingRenderTexture)
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{
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if (flag)
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{
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scalingRenderTexture = new RenderTexture(num, num2, 24);
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scalingRenderTexture.autoGenerateMips = false;
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scalingRenderTexture.filterMode = (((double)resolutionScale > 1.0) ? FilterMode.Bilinear : FilterMode.Point);
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}
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else
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{
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Object.Destroy(scalingRenderTexture);
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scalingRenderTexture = null;
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}
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}
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if (flag)
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{
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camera.targetTexture = scalingRenderTexture;
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}
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}
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private void OnDestroy()
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{
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if ((bool)scalingRenderTexture)
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{
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Object.Destroy(scalingRenderTexture);
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scalingRenderTexture = null;
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}
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}
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}
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