protected internal void DrawLight()
{
if (!IsActive)
{
return;
}
eLightFlags lightFlags = eLightFlags.CanRenderUnderground;
if (Data.Volume)
{
lightFlags |= eLightFlags.EnableVolume;
}
if (!Data.Specular)
{
lightFlags |= eLightFlags.DisableSpecular;
}
if (Data.CastShadows)
{
// shadows aren't casted in underground areas, such as tunnels,
// not sure how to fix this as the game's CSearchLight has the same issue
lightFlags |= eLightFlags.EnableShadows;
}
CLightDrawData *drawData = CLightDrawData.New(eLightType.SPOT_LIGHT, lightFlags, Position, Data.Color, Data.Intensity);
NativeVector3 dir = Direction;
NativeVector3 perp = Utility.GetPerpendicular(dir).ToNormalized();
drawData->Range = Data.Range;
drawData->VolumeIntensity = Data.VolumeIntensity;
drawData->VolumeExponent = 70.0f; // doesn't seem to have any effect
drawData->VolumeSize = Data.VolumeSize;
drawData->FalloffExponent = Data.Falloff;
GameFunctions.SetLightDrawDataDirection(drawData, &dir, &perp);
GameFunctions.SetLightDrawDataAngles(drawData, Data.InnerAngle, Data.OuterAngle);
if (Data.CastShadows)
{
drawData->ShadowRenderId = shadowId;
drawData->ShadowUnkValue = GameFunctions.GetValueForLightDrawDataShadowUnkValue(drawData);
}
if (Data.Corona)
{
GameMemory.Coronas->Draw(Position, Data.CoronaSize, Data.Color.Raw, Data.CoronaIntensity, 100.0f, Direction, Data.InnerAngle, Data.OuterAngle, 3);
}
}
protected internal void DrawLight()
{
if (!IsActive)
{
return;
}
CLightDrawData *drawData = CLightDrawData.New(eLightType.SPOT_LIGHT, Data.Volume ? eLightFlags.VolumeEnabled : eLightFlags.None, Position, Data.Color, Data.Intensity);
NativeVector3 dir = Direction;
drawData->Range = Data.Range;
drawData->VolumeIntensity = Data.VolumeIntensity;
drawData->VolumeExponent = 70.0f; // doesn't seem to have any effect
drawData->VolumeSize = Data.VolumeSize;
drawData->FalloffExponent = Data.Falloff;
// this doesn't create a vector exactly like the one created in the original game code, but it looks like the game just wants a vector perpendicular
// to the direction vector and while testing this seemed to work fine
// if any issue arises, revert to the old code
NativeVector3 dirPerpendicular = new Vector3(dir.Y - dir.Z, dir.Z - dir.X, -dir.X - dir.Y).ToNormalized();
GameFunctions.SetLightDrawDataDirection(drawData, &dir, &dirPerpendicular);
GameFunctions.SetLightDrawDataAngles(drawData, Data.InnerAngle, Data.OuterAngle);
if (Data.CastShadows)
{
drawData->Flags |= eLightFlags.ShadowsEnabled;
drawData->ShadowRenderId = shadowId;
drawData->ShadowUnkValue = GameFunctions.GetValueForLightDrawDataShadowUnkValue(drawData);
}
if (!Data.Specular)
{
drawData->Flags |= eLightFlags.DisableSpecular;
}
if (Data.Corona)
{
// if using pointers referencing a variable inside the method
// NativeVector3 p = Position;
// DrawCorona(..., &p, ...);
// sometimes it crashes,
// so we are using these unmanaged pointers
*CoronaPositionPtr = Position;
*CoronaDirectionPtr = Direction;
GameFunctions.DrawCorona(GameMemory.CoronaDrawQueue, CoronaPositionPtr, Data.CoronaSize, Data.Color.Raw, Data.CoronaIntensity, 100.0f, CoronaDirectionPtr, 1.0f, Data.InnerAngle, Data.OuterAngle, 3);
}
}
public static void RangeLight(Vector3 position, eLightFlags flags, float intensity, float range, float volumeIntensity, float volumeSize, float falloff, Color color, ulong shadowId = 0)
{
CLightDrawData *drawData = CLightDrawData.New(eLightType.RANGE_2, flags, position, color, intensity);
if (volumeIntensity > 0)
{
drawData->VolumeIntensity = volumeIntensity;
drawData->VolumeExponent = 70.0f;
drawData->VolumeSize = volumeSize;
}
drawData->FalloffExponent = falloff;
if (shadowId != 0)
{
drawData->ShadowRenderId = shadowId;
drawData->ShadowUnkValue = GameFunctions.GetValueForLightDrawDataShadowUnkValue(drawData);
}
}
public static void SpotLight(Vector3 position, Vector3 direction, eLightFlags flags, float intensity, float range, float volumeIntensity, float volumeSize, float falloff, float innerAngle, float outerAngle, Color color, ulong shadowId = 0)
{
CLightDrawData *drawData = CLightDrawData.New(eLightType.SPOT_LIGHT, flags, position, color, intensity);
NativeVector3 dir = direction;
NativeVector3 perp = Utility.GetPerpendicular(dir).ToNormalized();
drawData->Range = range;
if (volumeIntensity > 0)
{
drawData->VolumeIntensity = volumeIntensity;
drawData->VolumeExponent = 70.0f;
drawData->VolumeSize = volumeSize;
}
drawData->FalloffExponent = falloff;
GameFunctions.SetLightDrawDataDirection(drawData, &dir, &perp);
GameFunctions.SetLightDrawDataAngles(drawData, innerAngle, outerAngle);
if (shadowId != 0)
{
drawData->ShadowRenderId = shadowId;
drawData->ShadowUnkValue = GameFunctions.GetValueForLightDrawDataShadowUnkValue(drawData);
}
}
protected internal void DrawLight()
{
if (!IsActive)
{
return;
}
eLightFlags lightFlags = eLightFlags.CanRenderUnderground;
if (Data.Volume)
{
lightFlags |= eLightFlags.EnableVolume;
}
if (!Data.Specular)
{
lightFlags |= eLightFlags.DisableSpecular;
}
if (Data.CastShadows)
{
// shadows aren't casted in underground areas, such as tunnels,
// not sure how to fix this as the game's CSearchLight has the same issue
lightFlags |= eLightFlags.EnableShadows;
}
CLightDrawData *drawData = CLightDrawData.New(eLightType.SPOT_LIGHT, lightFlags, Position, Data.Color, Data.Intensity);
NativeVector3 dir = Direction;
drawData->Range = Data.Range;
drawData->VolumeIntensity = Data.VolumeIntensity;
drawData->VolumeExponent = 70.0f; // doesn't seem to have any effect
drawData->VolumeSize = Data.VolumeSize;
drawData->FalloffExponent = Data.Falloff;
// TODO: figure out how SSE instrinsics work, and what this does
NativeVector3 v16 = _mm_andnot_ps(new Vector3(-0.0f, -0.0f, -0.0f), dir);
NativeVector3 v17 = _mm_and_ps(_mm_cmple_ps(v16, _mm_shuffle_epi32(v16, -46)), _mm_cmplt_ps(v16, _mm_shuffle_epi32(v16, -55)));
NativeVector3 v18 = _mm_and_ps(
_mm_or_ps(
_mm_andnot_ps(
_mm_or_ps(
_mm_or_ps(_mm_shuffle_epi32(v17, 85), _mm_shuffle_epi32(v17, 0)),
_mm_shuffle_epi32(v17, -86)),
new Vector3(Single.NaN, Single.NaN, Single.NaN)),
v17),
new Vector3(1.0f, 1.0f, 1.0f));
v17 = _mm_shuffle_ps(v18, v18, 85);
NativeVector3 v19 = _mm_shuffle_ps(v18, v18, -86);
Vector3 v = new Vector3(x: (v19.X * dir.Y) - (v17.X * dir.Z),
y: (v18.X * dir.Z) - (v19.X * dir.X),
z: (v17.X * dir.X) - (v18.X * dir.Y));
NativeVector3 u = v.ToNormalized();
GameFunctions.SetLightDrawDataDirection(drawData, &dir, &u);
GameFunctions.SetLightDrawDataAngles(drawData, Data.InnerAngle, Data.OuterAngle);
if (Data.CastShadows)
{
drawData->ShadowRenderId = shadowId;
drawData->ShadowUnkValue = GameFunctions.GetValueForLightDrawDataShadowUnkValue(drawData);
}
if (Data.Corona)
{
GameMemory.Coronas->Draw(Position, Data.CoronaSize, Data.Color.Raw, Data.CoronaIntensity, 100.0f, Direction, Data.InnerAngle, Data.OuterAngle, 3);
}
}
