model_psk.h

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#ifndef MODEL_PSK_H
#define MODEL_PSK_H
 
typedef struct pskchunk_s
{
    // id is one of the following:
    // .psk:
    // ACTRHEAD (recordsize = 0, numrecords = 0)
    // PNTS0000 (recordsize = 12, pskpnts_t)
    // VTXW0000 (recordsize = 16, pskvtxw_t)
    // FACE0000 (recordsize = 12, pskface_t)
    // MATT0000 (recordsize = 88, pskmatt_t)
    // REFSKELT (recordsize = 120, pskboneinfo_t)
    // RAWWEIGHTS (recordsize = 12, pskrawweights_t)
    // .psa:
    // ANIMHEAD (recordsize = 0, numrecords = 0)
    // BONENAMES (recordsize = 120, pskboneinfo_t)
    // ANIMINFO (recordsize = 168, pskaniminfo_t)
    // ANIMKEYS (recordsize = 32, pskanimkeys_t)
    char id[20];
    // in .psk always 0x1e83b9
    // in .psa always 0x2e
    int version;
    int recordsize;
    int numrecords;
}
pskchunk_t;
 
typedef struct pskpnts_s
{
    float origin[3];
}
pskpnts_t;
 
typedef struct pskvtxw_s
{
    unsigned short pntsindex; // index into PNTS0000 chunk
    unsigned char unknown1[2]; // seems to be garbage
    float texcoord[2];
    unsigned char mattindex; // index into MATT0000 chunk
    unsigned char unknown2; // always 0?
    unsigned char unknown3[2]; // seems to be garbage
}
pskvtxw_t;
 
typedef struct pskface_s
{
    unsigned short vtxwindex[3]; // triangle
    unsigned char mattindex; // index into MATT0000 chunk
    unsigned char unknown; // seems to be garbage
    unsigned int group; // faces seem to be grouped, possibly for smoothing?
}
pskface_t;
 
typedef struct pskmatt_s
{
    char name[64];
    int unknown[6]; // observed 0 0 0 0 5 0
}
pskmatt_t;
 
typedef struct pskpose_s
{
    float quat[4];
    float origin[3];
    float unknown; // probably a float, always seems to be 0
    float size[3];
}
pskpose_t;
 
typedef struct pskboneinfo_s
{
    char name[64];
    int unknown1;
    int numchildren;
    int parent; // root bones have 0 here
    pskpose_t basepose;
}
pskboneinfo_t;
 
typedef struct pskrawweights_s
{
    float weight;
    int pntsindex;
    int boneindex;
}
pskrawweights_t;
 
typedef struct pskaniminfo_s
{
    char name[64];
    char group[64];
    int numbones;
    int unknown1;
    int unknown2;
    int unknown3;
    float unknown4;
    float playtime; // not really needed
    float fps; // frames per second
    int unknown5;
    int firstframe;
    int numframes;
    // firstanimkeys = (firstframe + frameindex) * numbones
}
pskaniminfo_t;
 
typedef struct pskanimkeys_s
{
    float origin[3];
    float quat[4];
    float frametime;
}
pskanimkeys_t;
 
#endif