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refactor into projects
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bird_egop
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using Common;
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namespace FxidLib;
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/// <summary>
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/// Effect-level header at the start of each FXID file (60 bytes total).
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/// Parsed from CEffect_InitFromDef: defines component count, global duration/flags,
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/// some unknown control fields, and the uniform scale vector applied to the effect.
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/// </summary>
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public record struct EffectHeader
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{
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/// <summary>FXID payload offset 0x00: command count.</summary>
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public uint ComponentCount;
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/// <summary>FXID payload offset 0x04: time mode used to compute effect alpha.</summary>
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public uint TimeMode;
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/// <summary>FXID payload offset 0x08: effect duration in seconds.</summary>
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public float Duration;
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/// <summary>FXID payload offset 0x0C: random phase shift amplitude.</summary>
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public float PhaseJitter;
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/// <summary>FXID payload offset 0x10: effect behavior flags.</summary>
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public uint Flags;
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/// <summary>FXID payload offset 0x14: settings/profile id.</summary>
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public uint SettingsId;
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/// <summary>FXID payload offset 0x18: random spatial shift X.</summary>
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public float RandShiftX;
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/// <summary>FXID payload offset 0x1C: random spatial shift Y.</summary>
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public float RandShiftY;
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/// <summary>FXID payload offset 0x20: random spatial shift Z.</summary>
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public float RandShiftZ;
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/// <summary>FXID payload offset 0x24: local pivot X.</summary>
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public float PivotX;
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/// <summary>FXID payload offset 0x28: local pivot Y.</summary>
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public float PivotY;
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/// <summary>FXID payload offset 0x2C: local pivot Z.</summary>
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public float PivotZ;
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/// <summary>FXID payload offset 0x30: base scale X.</summary>
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public float ScaleX;
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/// <summary>FXID payload offset 0x34: base scale Y.</summary>
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public float ScaleY;
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/// <summary>FXID payload offset 0x38: base scale Z.</summary>
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public float ScaleZ;
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}
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/// <summary>
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/// Shared on-disk definition layout for billboard-style components (type 1).
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/// Used by CBillboardComponent_Initialize/Update/Render to drive size/color/alpha
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/// curves and sample scattering within a 3D extent volume.
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/// </summary>
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public record struct BillboardComponentData
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{
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public uint TypeAndFlags; // type (low byte) and flags as seen in CEffect_InitFromDef
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public float Unknown04; // mode / flag-like float, semantics not fully clear
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public float ScalarAMin; // base scalar A (e.g. base radius)
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public float ScalarAMax; // max scalar A
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public float ScalarAExp; // exponent applied to scalar A curve
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public float ActiveTimeStart; // activation window start (seconds)
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public float ActiveTimeEnd; // activation window end (seconds)
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public float SampleSpreadParam; // extra param used when scattering samples
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public uint Unknown20; // used as integer param in billboard code, exact meaning unknown
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public uint PrimarySampleCount; // number of samples along primary axis
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public uint SecondarySampleCount; // number of samples along secondary axis
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public Vector3 ExtentVec0; // base extent/origin vector
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public Vector3 ExtentVec1; // extent center / offset
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public Vector3 ExtentVec2; // extent size used for random boxing
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public Vector3 ExponentTriplet0;// exponent triplet for size/color curve
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public Vector3 RadiusTriplet0; // radius curve key 0
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public Vector3 RadiusTriplet1; // radius curve key 1
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public Vector3 RadiusTriplet2; // radius curve key 2
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public Vector3 ExponentTriplet1;// second exponent triplet (e.g. alpha curve)
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public float NoiseAmplitude; // per-sample noise amplitude
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public byte[] Reserved; // 0x50-byte tail, currently not touched by billboard code
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}
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/// <summary>
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/// 3D sound component definition (type 2).
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/// Used by CSoundComponent_Initialize/Update to drive positional audio, playback
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/// window, and scalar ranges (e.g. volume / pitch), plus a 0x40-byte sound name tail.
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/// </summary>
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public record struct SoundComponentData
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{
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public uint TypeAndFlags; // component type and flags
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public uint PlayMode; // playback mode (looping, one-shot, etc.)
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public float StartTime; // playback window start (seconds)
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public float EndTime; // playback window end (seconds)
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public Vector3 Pos0; // base 3D position or path start
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public Vector3 Pos1; // secondary position / path end
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public Vector3 Offset0; // random offset range 0
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public Vector3 Offset1; // random offset range 1
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public float Scalar0Min; // scalar range 0 min (e.g. volume)
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public float Scalar0Max; // scalar range 0 max
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public float Scalar1Min; // scalar range 1 min (e.g. pitch)
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public float Scalar1Max; // scalar range 1 max
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public uint SoundFlags; // misc sound control flags
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public byte[] SoundNameAndReserved; // 0x40-byte tail; sound name plus padding/unused
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}
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/// <summary>
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/// Animated particle component definition (type 3).
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/// Prefix layout matches BillboardComponentData and is used to allocate a grid of
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/// particle objects; the 0x38-byte tail is passed into CFxManager_LoadTexture.
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/// </summary>
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public record struct AnimParticleComponentData
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{
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public uint TypeAndFlags; // type (low byte) and flags as seen in CEffect_InitFromDef
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public float Unknown04; // mode / flag-like float, semantics not fully clear
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public float ScalarAMin; // base scalar A (e.g. base radius)
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public float ScalarAMax; // max scalar A
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public float ScalarAExp; // exponent applied to scalar A curve
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public float ActiveTimeStart; // activation window start (seconds)
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public float ActiveTimeEnd; // activation window end (seconds)
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public float SampleSpreadParam; // extra param used when scattering particles
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public uint Unknown20; // used as integer param in anim particle code, exact meaning unknown
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public uint PrimarySampleCount; // number of particles along primary axis
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public uint SecondarySampleCount; // number of particles along secondary axis
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public Vector3 ExtentVec0; // base extent/origin vector
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public Vector3 ExtentVec1; // extent center / offset
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public Vector3 ExtentVec2; // extent size used for random boxing
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public Vector3 ExponentTriplet0;// exponent triplet for size/color curve
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public Vector3 RadiusTriplet0; // radius curve key 0
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public Vector3 RadiusTriplet1; // radius curve key 1
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public Vector3 RadiusTriplet2; // radius curve key 2
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public Vector3 ExponentTriplet1;// second exponent triplet (e.g. alpha curve)
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public float NoiseAmplitude; // per-particle noise amplitude
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public byte[] Reserved; // 0x38-byte tail; forwarded to CFxManager_LoadTexture unchanged
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}
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/// <summary>
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/// Animated billboard component definition (type 4).
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/// Shares the same prefix layout as BillboardComponentData, including extents and
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/// radius/exponent triplets, but uses a 0x3C-byte tail passed to CFxManager_LoadTexture.
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/// </summary>
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public record struct AnimBillboardComponentData
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{
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public uint TypeAndFlags; // type (low byte) and flags as seen in CEffect_InitFromDef
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public float Unknown04; // mode / flag-like float, semantics not fully clear
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public float ScalarAMin; // base scalar A (e.g. base radius)
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public float ScalarAMax; // max scalar A
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public float ScalarAExp; // exponent applied to scalar A curve
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public float ActiveTimeStart; // activation window start (seconds)
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public float ActiveTimeEnd; // activation window end (seconds)
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public float SampleSpreadParam; // extra param used when scattering animated billboards
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public uint Unknown20; // used as integer param in anim billboard code, exact meaning unknown
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public uint PrimarySampleCount; // number of samples along primary axis
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public uint SecondarySampleCount; // number of samples along secondary axis
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public Vector3 ExtentVec0; // base extent/origin vector
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public Vector3 ExtentVec1; // extent center / offset
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public Vector3 ExtentVec2; // extent size used for random boxing
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public Vector3 ExponentTriplet0;// exponent triplet for size/color curve
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public Vector3 RadiusTriplet0; // radius curve key 0
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public Vector3 RadiusTriplet1; // radius curve key 1
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public Vector3 RadiusTriplet2; // radius curve key 2
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public Vector3 ExponentTriplet1;// second exponent triplet (e.g. alpha curve)
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public float NoiseAmplitude; // per-sample noise amplitude
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public byte[] Reserved; // 0x3C-byte tail; forwarded to CFxManager_LoadTexture unchanged
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}
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/// <summary>
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/// Compact definition for trail / ribbon components (type 5).
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/// CTrailComponent_Initialize interprets this as segment count, width/alpha/UV
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/// ranges, timing, and a shared texture name at +0x30.
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/// </summary>
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public record struct TrailComponentData
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{
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public uint TypeAndFlags; // component type and flags
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public byte[] Unknown04To10; // 0x10 bytes at +4..+0x13, used only indirectly; types unknown
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public uint SegmentCount; // number of trail segments (particles)
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public float Param0; // first width/alpha/UV control value (start)
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public float Param1; // second width/alpha/UV control value (end)
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public uint Unknown20; // extra integer parameter, purpose unknown
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public uint Unknown24; // extra integer parameter, purpose unknown
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public float ActiveTimeStart; // trail activation start time (>= 0)
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public float ActiveTimeEnd; // trail activation end time
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public byte[] TextureNameAndReserved; // 0x40-byte tail containing texture name and padding/flags
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}
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/// <summary>
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/// Simple point component definition (type 6).
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/// Definition block is just the 4-byte typeAndFlags header; no extra data on disk.
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/// </summary>
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public record struct PointComponentData
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{
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public uint TypeAndFlags; // component type and flags; definition block has no payload
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}
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/// <summary>
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/// Plane component definition (type 7).
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/// Shares the same 0xC8-byte prefix layout as AnimParticleComponentData (type 3),
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/// followed by two dwords of plane-specific data.
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/// </summary>
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public record struct PlaneComponentData
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{
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public AnimParticleComponentData Base; // shared 0xC8-byte prefix: time window, sample counts, extents, curves
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public uint ExtraPlaneParam0; // plane-specific parameter, semantics not yet reversed
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public uint ExtraPlaneParam1; // plane-specific parameter, semantics not yet reversed
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}
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/// <summary>
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/// Static model component definition (type 8).
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/// Layout fully matches the IDA typedef used by CModelComponent_Initialize:
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/// time window, instance count, spatial extents/axes, radius triplets, and a
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/// 0x40-byte texture name tail.
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/// </summary>
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public record struct ModelComponentData
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{
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public uint TypeAndFlags; // component type and flags
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public byte[] Unk04; // 0x14-byte blob at +0x04..+0x17, purpose unclear
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public float ActiveTimeStart; // activation window start (seconds), +0x18
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public float ActiveTimeEnd; // activation window end (seconds), +0x1C
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public uint Unknown20; // extra flags/int parameter at +0x20
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public uint InstanceCount; // number of model instances to spawn at +0x24
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public Vector3 BasePos; // base position of the emitter / origin, +0x28
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public Vector3 OffsetPos; // positional offset applied per-instance, +0x34
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public Vector3 ScatterExtent; // extent volume used for random scattering, +0x40
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public Vector3 Axis0; // local axis 0 (orientation / shape), +0x4C
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public Vector3 Axis1; // local axis 1 (orientation / shape), +0x58
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public Vector3 Axis2; // local axis 2 (orientation / shape), +0x64
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public byte[] Reserved70; // 0x18 bytes at +0x70..+0x87, not directly used
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public Vector3 RadiusTriplet0; // radius / extent triplet 0 at +0x88
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public Vector3 RadiusTriplet1; // radius / extent triplet 1 at +0x94
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public byte[] ReservedA0; // 0x18 bytes at +0xA0..+0xB7, not directly used
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public byte[] TextureNameAndFlags; // 0x40-byte tail at +0xB8: texture name + padding/flags
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}
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/// <summary>
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/// Animated model component definition (type 9).
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/// Layout derived from CAnimModelComponent_Initialize: time params, direction vectors,
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/// radius triplets, extent vectors, and a 0x48-byte texture name tail.
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/// </summary>
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public record struct AnimModelComponentData
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{
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public uint TypeAndFlags; // component type and flags
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public float AnimSpeed; // animation speed multiplier at +0x04
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public float MinTime; // activation window start (clamped >= 0) at +0x08
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public float MaxTime; // activation window end at +0x0C
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public float Exponent; // exponent for time interpolation at +0x10
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public byte[] Reserved14; // 0x14 bytes at +0x14..+0x27, padding
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public Vector3 DirVec0; // normalized direction vector 0 at +0x28
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public byte[] Reserved34; // 0x0C bytes at +0x34..+0x3F, padding
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public Vector3 RadiusTriplet0; // radius triplet 0 at +0x40
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public Vector3 DirVec1; // normalized direction vector 1 at +0x4C
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public Vector3 RadiusTriplet1; // radius triplet 1 at +0x58
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public Vector3 ExtentVec0; // extent vector 0 at +0x64
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public Vector3 ExtentVec1; // extent vector 1 at +0x70
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public byte[] Reserved7C; // 0x0C bytes at +0x7C..+0x87, padding
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public byte[] TextureNameAndFlags; // 0x48-byte tail at +0x88: texture/model name + padding
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}
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/// <summary>
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/// Cube component definition (type 10).
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/// Shares the same 0xCC-byte prefix layout as AnimBillboardComponentData (type 4),
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/// followed by one dword of cube-specific data.
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/// </summary>
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public record struct CubeComponentData
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{
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public AnimBillboardComponentData Base; // shared 0xCC-byte prefix: billboard-style time window, extents, curves
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public uint ExtraCubeParam0; // cube-specific parameter, semantics not yet reversed
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}
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