private void Start()
{
if (lightCamera == null)
{
Debug.LogError(
"Lighting Camera in LightingSystem is null. Please, select Lighting Camera camera for lighting to work.");
enabled = false;
return;
}
if (lightOverlayMaterial == null)
{
Debug.LogError(
"LightOverlayMaterial in LightingSystem is null. Please, select LightOverlayMaterial camera for lighting to work.");
enabled = false;
return;
}
_camera = GetComponent <Camera>();
if (enableNormalMapping && !_camera.orthographic)
{
Debug.LogError("Normal mapping is not supported with perspective camera.");
enableNormalMapping = false;
}
FlareLayer flare = GetComponent <FlareLayer>();
if (flare != null && flare.enabled)
{
Debug.Log("Disabling FlareLayer since it's null.");
flare.enabled = false;
}
if (!SystemInfo.SupportsRenderTextureFormat(RenderTextureFormat.ARGBHalf))
{
hdr = false;
}
_texFormat = hdr ? RenderTextureFormat.ARGBHalf : RenderTextureFormat.ARGB32;
float lightPixelsPerUnityMeter = LightPixelsPerUnityMeter;
if (_camera.orthographic)
{
float orthographicSize = _camera.orthographicSize;
float rawCamHeight = (orthographicSize + lightCameraSizeAdd) * 2f;
float rawCamWidth = (orthographicSize * _camera.aspect + lightCameraSizeAdd) * 2f;
_extendedLightTextureSize = new Point2(
Mathf.RoundToInt(rawCamWidth * lightPixelsPerUnityMeter),
Mathf.RoundToInt(rawCamHeight * lightPixelsPerUnityMeter));
float rawSmallCamHeight = orthographicSize * 2f * lightPixelsPerUnityMeter;
_smallLightTextureSize = new Point2(
Mathf.RoundToInt(rawSmallCamHeight * _camera.aspect),
Mathf.RoundToInt(rawSmallCamHeight));
}
else
{
{
float lightCamHalfFov = (_camera.fieldOfView + lightCameraFovAdd) * Mathf.Deg2Rad / 2f;
float lightCamSize = Mathf.Tan(lightCamHalfFov) * lightObstaclesDistance * 2;
//var gameCamHalfFov = _camera.fieldOfView*Mathf.Deg2Rad/2f;
int texHeight = Mathf.RoundToInt(lightCamSize / lightPixelSize);
float texWidth = texHeight * _camera.aspect;
_extendedLightTextureSize = Point2.Round(new Vector2(texWidth, texHeight));
}
{
float lightCamHalfFov = _camera.fieldOfView * Mathf.Deg2Rad / 2f;
float lightCamSize = Mathf.Tan(lightCamHalfFov) * lightObstaclesDistance * 2;
//LightCamera.orthographicSize = lightCamSize/2f;
float gameCamHalfFov = _camera.fieldOfView * Mathf.Deg2Rad / 2f;
float gameCamSize = Mathf.Tan(gameCamHalfFov) * lightObstaclesDistance * 2;
_camera.orthographicSize = gameCamSize / 2f;
int texHeight = Mathf.RoundToInt(lightCamSize / lightPixelSize);
float texWidth = texHeight * _camera.aspect;
_smallLightTextureSize = Point2.Round(new Vector2(texWidth, texHeight));
}
}
if (_extendedLightTextureSize.x % 2 != 0)
{
_extendedLightTextureSize = new Point2(_extendedLightTextureSize.x + 1, _extendedLightTextureSize.y);
}
if (_extendedLightTextureSize.y % 2 != 0)
{
_extendedLightTextureSize = new Point2(_extendedLightTextureSize.x, _extendedLightTextureSize.y + 1);
}
if (_extendedLightTextureSize.x > 1024 || _extendedLightTextureSize.y > 1024 ||
_smallLightTextureSize.x > 1024 || _smallLightTextureSize.y > 1024)
{
Debug.LogError("LightPixelSize is too small. That might have a performance impact.");
}
if (_extendedLightTextureSize.x < 4 || _extendedLightTextureSize.y < 4 ||
_smallLightTextureSize.x < 4 || _smallLightTextureSize.y < 4)
{
Debug.LogError("LightPixelSize is too big. Lighting may not work correctly.");
}
_screenBlitTempTex = new RenderTexture(_camera.pixelWidth, _camera.pixelHeight, 0, _texFormat)
{
filterMode = FilterMode.Point
};
lightCamera.orthographic = _camera.orthographic;
if (enableNormalMapping)
{
_lightSourcesTexture = new RenderTexture(_camera.pixelWidth, _camera.pixelHeight,
0, _texFormat)
{
filterMode = FilterMode.Point
}
}
;
else
{
_lightSourcesTexture = new RenderTexture(_smallLightTextureSize.x, _smallLightTextureSize.y,
0, _texFormat)
{
filterMode = lightTexturesFilterMode
}
};
_obstaclesTexture = new RenderTexture(_extendedLightTextureSize.x, _extendedLightTextureSize.y,
0, _texFormat);
_ambientTexture = new RenderTexture(_extendedLightTextureSize.x, _extendedLightTextureSize.y,
0, _texFormat)
{
filterMode = lightTexturesFilterMode
};
Point2 upsampledObstacleSize = _extendedLightTextureSize * (lightObstaclesAntialiasing ? 2 : 1);
_obstaclesUpsampledTexture = new RenderTexture(
upsampledObstacleSize.x, upsampledObstacleSize.y, 0, _texFormat);
_lightBlockerReplacementShader = Shader.Find(@"Light2D/Internal/LightBlockerReplacementShader");
if (xzPlane)
{
Shader.EnableKeyword("LIGHT2D_XZ_PLANE");
}
else
{
Shader.DisableKeyword("LIGHT2D_XZ_PLANE");
}
_obstaclesPostProcessor = new ObstacleCameraPostProcessor();
LoopAmbientLight(100);
}
private void Start()
{
#if UNITY_EDITOR
if (!Application.isPlaying)
{
Shader.SetGlobalTexture("_ObstacleTex", Texture2D.whiteTexture);
return;
}
#endif
#region Setting Validation
if (lightCamera == null)
{
Debug.LogError("Lighting Camera in LightingSystem is null. Please, select Lighting Camera camera for lighting to work.");
enabled = false;
return;
}
if (lightOverlayMaterial == null)
{
Debug.LogError("LightOverlayMaterial in LightingSystem is null. Please, select LightOverlayMaterial camera for lighting to work.");
enabled = false;
return;
}
if (affectOnlyThisCamera && _camera.targetTexture != null)
{
Debug.LogError("\"Affect Only This Camera\" will not work if camera.targetTexture is set.");
affectOnlyThisCamera = false;
}
_camera = GetComponent <Camera>();
if (enableNormalMapping && !_camera.orthographic)
{
Debug.LogError("Normal mapping is not supported with perspective camera.");
enableNormalMapping = false;
}
// if both FlareLayer component and AffectOnlyThisCamera setting is enabled
// Unity will print an error "Flare renderer to update not found"
FlareLayer flare = GetComponent <FlareLayer>();
if (flare != null && flare.enabled)
{
Debug.Log("Disabling FlareLayer since AffectOnlyThisCamera setting is checked.");
flare.enabled = false;
}
#endregion
hdr = SystemInfo.SupportsRenderTextureFormat(RenderTextureFormat.ARGBHalf);
_texFormat = hdr ? RenderTextureFormat.ARGBHalf : RenderTextureFormat.ARGB32;
float lightPixelsPerUnityMeter = LightPixelsPerUnityMeter;
_halfTexelOffest = SystemInfo.graphicsDeviceVersion.StartsWith("Direct3D 9");
InitTk2D();
if (_camera.orthographic)
{
float rawCamHeight = (_camera.orthographicSize + lightCameraSizeAdd) * 2f;
float rawCamWidth = (_camera.orthographicSize * _camera.aspect + lightCameraSizeAdd) * 2f;
_extendedLightTextureSize = new Point2(Mathf.RoundToInt(rawCamWidth * lightPixelsPerUnityMeter), Mathf.RoundToInt(rawCamHeight * lightPixelsPerUnityMeter));
float rawSmallCamHeight = _camera.orthographicSize * 2f * lightPixelsPerUnityMeter;
_smallLightTextureSize = new Point2(Mathf.RoundToInt(rawSmallCamHeight * _camera.aspect), Mathf.RoundToInt(rawSmallCamHeight));
}
else
{
float lightCamHalfFov = (_camera.fieldOfView + lightCameraFovAdd) * Mathf.Deg2Rad / 2f;
float lightCamSize = Mathf.Tan(lightCamHalfFov) * lightObstaclesDistance * 2;
float texHeight = Mathf.Round(lightCamSize / lightPixelSize);
float texWidth = texHeight * _camera.aspect;
_extendedLightTextureSize = Point2.Round(new Vector2(texWidth, texHeight));
//Now without a second scope for this segment
lightCamHalfFov = _camera.fieldOfView * Mathf.Deg2Rad / 2f;
lightCamSize = Mathf.Tan(lightCamHalfFov) * lightObstaclesDistance * 2;
//LightCamera.orthographicSize = lightCamSize/2f;
//TODO: gameCam and lightCam have exactly the same values, need to look at this further
float gameCamHalfFov = _camera.fieldOfView * Mathf.Deg2Rad / 2f;
float gameCamSize = Mathf.Tan(gameCamHalfFov) * lightObstaclesDistance * 2;
_camera.orthographicSize = gameCamSize / 2f;
texHeight = Mathf.Round(lightCamSize / lightPixelSize);
texWidth = texHeight * _camera.aspect;
_smallLightTextureSize = Point2.Round(new Vector2(texWidth, texHeight));
}
//Make the light texture size even
if (_extendedLightTextureSize.x % 2 != 0)
{
_extendedLightTextureSize.x++;
}
if (_extendedLightTextureSize.y % 2 != 0)
{
_extendedLightTextureSize.y++;
}
if (_extendedLightTextureSize.x > 1024 || _extendedLightTextureSize.y > 1024 ||
_smallLightTextureSize.x > 1024 || _smallLightTextureSize.y > 1024)
{
Debug.LogWarning("LightPixelSize is too small. That might have a performance impact.");
}
if (_extendedLightTextureSize.x < 4 || _extendedLightTextureSize.y < 4 ||
_smallLightTextureSize.x < 4 || _smallLightTextureSize.y < 4)
{
Debug.LogWarning("LightPixelSize is too big. Lighting may not work correctly.");
}
_screenBlitTempTex = new RenderTexture(_camera.pixelWidth, _camera.pixelHeight, 0, _texFormat)
{
filterMode = FilterMode.Point
};
lightCamera.orthographic = _camera.orthographic;
if (enableNormalMapping)
{
_lightSourcesTexture = new RenderTexture(_camera.pixelWidth, _camera.pixelHeight, 0, _texFormat)
{
filterMode = FilterMode.Point
}
}
;
else
{
_lightSourcesTexture = new RenderTexture(_smallLightTextureSize.x, _smallLightTextureSize.y, 0, _texFormat)
{
filterMode = lightTexturesFilterMode
}
};
_obstaclesTexture = new RenderTexture(_extendedLightTextureSize.x, _extendedLightTextureSize.y, 0, _texFormat);
_ambientTexture = new RenderTexture(_extendedLightTextureSize.x, _extendedLightTextureSize.y, 0, _texFormat)
{
filterMode = lightTexturesFilterMode
};
Point2 upsampledObstacleSize = _extendedLightTextureSize * (lightObstaclesAntialiasing ? 2 : 1);
_obstaclesUpsampledTexture = new RenderTexture(upsampledObstacleSize.x, upsampledObstacleSize.y, 0, _texFormat);
if (affectOnlyThisCamera)
{
//TODO: I don't understand why this doesn't also use _texFormat. Further investigation necessary
_renderTargetTexture = new RenderTexture(_camera.pixelWidth, _camera.pixelHeight, 0, RenderTextureFormat.ARGB32)
{
filterMode = FilterMode.Point
};
_camera.targetTexture = _renderTargetTexture;
_camera.clearFlags = CameraClearFlags.SolidColor;
_camera.backgroundColor = Color.clear;
}
_alphaBlendedMaterial = new Material(Shader.Find("Light2D/Internal/Alpha Blended"));
if (xzPlane)
{
Shader.EnableKeyword("LIGHT2D_XZ_PLANE");
}
else
{
Shader.DisableKeyword("LIGHT2D_XZ_PLANE");
}
_obstaclesPostProcessor = new ObstacleCameraPostProcessor();
LoopAmbientLight(100);
}