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#pragma once
#include <QOpenGLFunctions>
#include <NifFile.hpp>
#include <cstdint>
#include <cstring>
struct SLSF1
{
SLSF1() = delete;
enum BSLightingShaderFlags1 : std::uint32_t
{
Specular = 1U << 0,
Skinned = 1U << 1,
TempRefraction = 1U << 2,
VertexAlpha = 1U << 3,
GreyscaleToPaletteColor = 1U << 4,
GreyscaleToPaletteAlpha = 1U << 5,
UseFalloff = 1U << 6,
EnvironmentMapping = 1U << 7,
ReceiveShadows = 1U << 8,
CastShadows = 1U << 9,
FacegenDetailMap = 1U << 10,
Parallax = 1U << 11,
ModelSpaceNormals = 1U << 12,
NonProjectiveShadows = 1U << 13,
Landscape = 1U << 14,
Refraction = 1U << 15,
FireRefraction = 1U << 16,
EyeEnvironmentMapping = 1U << 17,
HairSoftLighting = 1U << 18,
ScreendoorAlphaFade = 1U << 19,
LocalmapHideSecret = 1U << 20,
FaceGenRGBTint = 1U << 21,
OwnEmit = 1U << 22,
ProjectedUV = 1U << 23,
MultipleTextures = 1U << 24,
RemappableTextures = 1U << 25,
Decal = 1U << 26,
DynamicDecal = 1U << 27,
ParallaxOcclusion = 1U << 28,
ExternalEmittance = 1U << 29,
SoftEffect = 1U << 30,
ZBufferTest = 1U << 31,
};
};
struct SLSF2
{
SLSF2() = delete;
enum BSLightingShaderFlags2 : std::uint32_t
{
ZBufferWrite = 1U << 0,
LODLandscape = 1U << 1,
LODObjects = 1U << 2,
NoFade = 1U << 3,
DoubleSided = 1U << 4,
VertexColors = 1U << 5,
GlowMap = 1U << 6,
AssumeShadowmask = 1U << 7,
PackedTangent = 1U << 8,
MultiIndexSnow = 1U << 9,
VertexLighting = 1U << 10,
UniformScale = 1U << 11,
FitSlope = 1U << 12,
Billboard = 1U << 13,
NoLODLandBlend = 1U << 14,
EnvMapLightFade = 1U << 15,
Wireframe = 1U << 16,
WeaponBlood = 1U << 17,
HideOnLocalMap = 1U << 18,
PremultAlpha = 1U << 19,
CloudLOD = 1U << 20,
AnisotropicLighting = 1U << 21,
NoTransparencyMultisampling = 1U << 22,
Unused01 = 1U << 23,
MultiLayerParallax = 1U << 24,
SoftLighting = 1U << 25,
RimLighting = 1U << 26,
BackLighting = 1U << 27,
Unused02 = 1U << 28,
TreeAnim = 1U << 29,
EffectLighting = 1U << 30,
HDLODObjects = 1U << 31,
};
};
struct TriShape
{
TriShape() = delete;
enum NiAVObjectFlags : std::uint32_t
{
Hidden = 1U << 0,
SelectiveUpdate = 1U << 1,
SelectiveUpdateTransforms = 1U << 2,
SelectiveUpdateController = 1U << 3,
SelectiveUpdateRigid = 1U << 4,
DisplayUIObject = 1U << 5,
DisableSorting = 1U << 6,
SelectiveUpdateTransformsOverride = 1U << 7,
SaveExternalGeomData = 1U << 9,
NoDecals = 1U << 10,
AlwaysDraw = 1U << 11,
MeshLODFO4 = 1U << 12,
FixedBound = 1U << 13,
TopFadeNode = 1U << 14,
IgnoreFade = 1U << 15,
NoAnimSyncX = 1U << 16,
NoAnimSyncY = 1U << 17,
NoAnimSyncZ = 1U << 18,
NoAnimSyncS = 1U << 19,
NoDismember = 1U << 20,
NoDismemberValidity = 1U << 21,
RenderUse = 1U << 22,
MaterialsApplied = 1U << 23,
HighDetail = 1U << 24,
ForceUpdate = 1U << 25,
PreProcessedNode = 1U << 26,
MeshLODSkyrim = 1U << 27,
};
};
struct NiAlphaPropertyFlags
{
public:
NiAlphaPropertyFlags(std::uint16_t flags = 0)
{
std::memcpy(this, &flags, sizeof(NiAlphaPropertyFlags));
}
bool isAlphaBlendEnabled()
{
return m_AlphaBlendEnable;
}
GLenum sourceBlendingFactor()
{
return getBlendMode(m_SrcBlendMode);
}
GLenum destinationBlendingFactor()
{
return getBlendMode(m_DstBlendMode);
}
bool isAlphaTestEnabled()
{
return m_AlphaTestEnable;
}
GLenum alphaTestMode()
{
return getTestMode(m_AlphaTestMode);
}
bool isTriangleSortDisabled()
{
return m_NoSort;
}
private:
static std::uint32_t getBlendMode(std::uint16_t flags)
{
switch (flags) {
case 0: return GL_ONE;
case 1: return GL_ZERO;
case 2: return GL_SRC_COLOR;
case 3: return GL_ONE_MINUS_SRC_COLOR;
case 4: return GL_DST_COLOR;
case 5: return GL_ONE_MINUS_DST_COLOR;
case 6: return GL_SRC_ALPHA;
case 7: return GL_ONE_MINUS_SRC_ALPHA;
case 8: return GL_DST_ALPHA;
case 9: return GL_ONE_MINUS_DST_ALPHA;
default: return GL_ONE;
};
}
static std::uint32_t getTestMode(std::uint16_t flags)
{
switch (flags) {
case 0: return GL_ALWAYS;
case 1: return GL_LESS;
case 2: return GL_EQUAL;
case 3: return GL_LEQUAL;
case 4: return GL_GREATER;
case 5: return GL_NOTEQUAL;
case 6: return GL_GEQUAL;
case 7: return GL_NEVER;
default: return GL_ALWAYS;
}
};
std::uint16_t m_AlphaBlendEnable : 1;
std::uint16_t m_SrcBlendMode : 4;
std::uint16_t m_DstBlendMode : 4;
std::uint16_t m_AlphaTestEnable : 1;
std::uint16_t m_AlphaTestMode : 3;
std::uint16_t m_NoSort : 1;
};
static_assert(sizeof(NiAlphaPropertyFlags) == 2);
inline nifly::MatTransform GetShapeTransformToGlobal(
nifly::NifFile* nifFile,
nifly::NiShape* niShape)
{
nifly::MatTransform xform = niShape->GetTransformToParent();
nifly::NiNode* parent = nifFile->GetParentNode(niShape);
while (parent) {
xform = parent->GetTransformToParent().ComposeTransforms(xform);
parent = nifFile->GetParentNode(parent);
}
return xform;
}
inline nifly::BoundingSphere GetBoundingSphere(
nifly::NifFile* nifFile,
nifly::NiShape* niShape)
{
if (auto vertices = nifFile->GetVertsForShape(niShape)) {
auto bounds = nifly::BoundingSphere(*vertices);
auto xform = GetShapeTransformToGlobal(nifFile, niShape);
bounds.center = xform.ApplyTransform(bounds.center);
bounds.radius = xform.ApplyTransformToDist(bounds.radius);
return bounds;
}
else {
return nifly::BoundingSphere();
}
}
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