Defective/buggy/limited support for hl2 models.
This commit is contained in:
Shpoike
parent
bac71b8d58
commit
e09f707067
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@ -4,6 +4,536 @@
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#include "shader.h"
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#include "com_mesh.h"
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#ifdef MODELFMT_HL2
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/*
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Half-Life 2 / Source models store much of their data in other files.
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I'm only going to try loading simple static models, so we don't need much data from the .mdl itself.
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FIXME: multiple meshes are still buggy.
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FIXME: materials are not loaded properly.
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FIXME: no lod stuff.
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*/
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typedef struct
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{
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unsigned int magic;
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unsigned int version;
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unsigned int revisionid;
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char name[64];
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unsigned int filesize;
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vec3_t _80;
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vec3_t _92;
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vec3_t mins;
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vec3_t maxs;
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vec3_t _128;
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vec3_t _140;
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unsigned int _152;
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unsigned int _156;
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unsigned int _160;
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unsigned int _164;
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unsigned int _168;
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unsigned int _172;
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unsigned int _176;
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unsigned int _180;
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unsigned int _184;
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unsigned int _188;
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unsigned int _192;
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unsigned int _196;
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unsigned int _200;
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unsigned int tex_count;
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unsigned int tex_ofs;
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unsigned int tex2_count;
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unsigned int tex2_ofs;
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unsigned int _220;
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unsigned int _224;
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unsigned int _228;
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unsigned int body_count;
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unsigned int body_ofs;
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//other stuff?
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} hl2mdlheader_t;
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typedef struct
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{
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unsigned int name_ofs;
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unsigned int surf_count;
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unsigned int base;
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unsigned int surf_ofs;
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} hl2mdlbody_t;
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typedef struct
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{
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char name[64];
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unsigned int type;
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unsigned int radius;
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unsigned int mesh_count;
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unsigned int mesh_ofs;
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unsigned int _80;
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unsigned int _84;
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unsigned int _88;
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unsigned int _92;
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unsigned int _96;
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unsigned int _100;
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unsigned int _104;
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unsigned int _108;
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unsigned int _112;
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unsigned int _116;
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unsigned int _120;
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unsigned int _124;
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unsigned int _128;
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unsigned int _132;
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unsigned int _136;
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unsigned int _140;
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unsigned int _144;
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} hl2mdlsurf_t;
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typedef struct
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{
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unsigned int mat_idx;
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unsigned int model_ofs;
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unsigned int vert_count;
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unsigned int vert_first;
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unsigned int _16;
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unsigned int _20;
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unsigned int _24;
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unsigned int _28;
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unsigned int _32;
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unsigned int _36;
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unsigned int _40;
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unsigned int _44;
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unsigned int _48;
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unsigned int _52;
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unsigned int _56;
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unsigned int _60;
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unsigned int _64;
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unsigned int _68;
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unsigned int _72;
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unsigned int _76;
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unsigned int _80;
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unsigned int _84;
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unsigned int _88;
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unsigned int _92;
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unsigned int _96;
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unsigned int _100;
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unsigned int _104;
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unsigned int _108;
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unsigned int _112;
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} hl2mdlmesh_t;
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#pragma pack(push,1) //urgh wtf is this bullshit
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typedef struct
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{
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unsigned int numskins;
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unsigned int offsetskin;
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} hl2vtxskins_t;
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typedef struct
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{
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unsigned short foo;
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//no padding
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unsigned int offsetskinname;
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} hl2vtxskin_t;
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typedef struct
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{
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unsigned int version;
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unsigned int vertcachesize;
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unsigned short bonesperstrip;
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unsigned short bonespertri;
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unsigned int bonespervert;
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unsigned int revisionid;
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unsigned int lod_count;
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unsigned int texreplacements_offset;
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unsigned int body_count;
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unsigned int body_ofs;
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} hl2vtxheader_t;
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typedef struct
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{
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unsigned int surf_count;
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unsigned int surf_ofs;
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} hl2vtxbody_t;
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typedef struct
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{
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unsigned int lod_count;
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unsigned int lod_ofs;
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} hl2vtxsurf_t;
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typedef struct
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{
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unsigned int mesh_count;
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unsigned int mesh_ofs;
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float dist;
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} hl2vtxlod_t;
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typedef struct
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{
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unsigned int stripg_count;
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unsigned int stripg_ofs;
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unsigned char flags;
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//no padding (3 bytes)
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} hl2vtxmesh_t;
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typedef struct
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{
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unsigned int vert_count;
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unsigned int vert_ofs;
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unsigned int idx_count;
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unsigned int idx_ofs;
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unsigned int strip_count;
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unsigned int strip_ofs;
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unsigned char flags;
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//no padding (3 bytes)
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} hl2vtxstripg_t;
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typedef struct
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{
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unsigned int idx_num;
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unsigned int idx_ofs;
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unsigned int vert_count;
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unsigned int vert_ofs;
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unsigned short bone_count;
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unsigned char flags;
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//no padding (1 byte)
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unsigned int bonestate_count;
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unsigned int bonestate_ofs;
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} hl2vtxstrip_t;
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typedef struct
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{
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qbyte bone[3];
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qbyte bone_count;
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unsigned short vert;
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qbyte boneID[3];
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//no padding
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} hl2vtxvert_t;
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typedef struct
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{
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unsigned int magic;
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unsigned int version;
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unsigned int revisionid;
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unsigned int lod_count;
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unsigned int lodverts_count[8];
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unsigned int fixups_count;
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unsigned int fixups_offset;
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unsigned int verts_offset;
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unsigned int tangents_offset;
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} hl2vvdheader_t;
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typedef struct
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{
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unsigned int lod;
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unsigned int sourcevert;
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unsigned int numverts;
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} hl2vvdfixup_t;
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typedef struct
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{
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float weight[3];
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qbyte bone[3];
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qbyte numbones;
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vec3_t xyz;
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vec3_t norm;
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vec2_t st;
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} hl2vvdvert_t;
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#pragma pack(pop)
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/*seriously, how many structs do you need?*/
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typedef struct
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{
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model_t *mod;
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struct
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{
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unsigned numverts;
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vec2_t *ofs_st_array;
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vecV_t *ofs_skel_xyz;
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vec3_t *ofs_skel_norm;
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vec3_t *ofs_skel_svect;
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vec3_t *ofs_skel_tvect;
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// byte_vec4_t *ofs_skel_idx;
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// vec4_t *ofs_skel_weight;
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} lod[1]; //must remain at 1 (instead of 8) until fixups are handled.
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} hl2parsecontext_t;
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static index_t *Mod_HL2_LoadIndexes(hl2parsecontext_t *ctx, unsigned int *idxcount, const hl2vtxmesh_t *vmesh, index_t firstindex)
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{
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size_t numidx = 0, g;
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const hl2vtxstripg_t *vg;
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index_t *idx, *ret = NULL;
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vg = (const void*)((const qbyte*)vmesh+vmesh->stripg_ofs);
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for (g = 0; g < vmesh->stripg_count; g++, vg++)
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{
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#if 1
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if (vg->idx_count%3)
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{
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*idxcount = 0;
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return NULL;
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}
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numidx += vg->idx_count;
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#else
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numidx += (vg->idx_count-2)*3;
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#endif
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}
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ret = idx = ZG_Malloc(&ctx->mod->memgroup, sizeof(*idx)*numidx);
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vg = (const void*)((const qbyte*)vmesh+vmesh->stripg_ofs);
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for (g = 0; g < vmesh->stripg_count; g++, vg++)
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{
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const unsigned short *in = (const void*)((const qbyte*)vg+vg->idx_ofs);
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const unsigned short *e = in+vg->idx_count;
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const hl2vtxvert_t *v = (const void*)((const qbyte*)vg+vg->vert_ofs);
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#if 1
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for(;;)
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{
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if (in == e)
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break;
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*idx++ = v[*in++].vert+firstindex;
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}
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#else
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unsigned int flip=0;
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index_t f, l;
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f = v[*in++].vert;
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l = v[*in++].vert;
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for(;;)
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{
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if (in == e)
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break;
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if (flip++&1)
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{ //every other index wants the previous two verts flipped.
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*idx++ = l;
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*idx++ = f;
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}
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else
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{
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*idx++ = f;
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*idx++ = l;
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}
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f = l;
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*idx++ = l = v[*in++].vert;
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}
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#endif
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}
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*idxcount = idx-ret;
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return ret;
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}
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static qboolean Mod_HL2_LoadVTX(hl2parsecontext_t *ctx, const void *buffer, size_t fsize, unsigned int rev, const hl2mdlbody_t *mbody)
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{ //horribly overcomplicated way to express this stuff.
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size_t totalsurfs = 0, b, s, l, m, t;
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const hl2vtxheader_t *header = buffer;
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const hl2vtxbody_t *vbody;
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const hl2vtxsurf_t *vsurf;
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const hl2vtxlod_t *vlod;
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const hl2vtxmesh_t *vmesh;
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const hl2vtxskins_t *vskins;
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const hl2vtxskin_t *vskin;
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galiasinfo_t *surf=NULL;
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galiasskin_t *skin;
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skinframe_t *skinframe;
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if (fsize < sizeof(*header) || header->version != 7 || header->revisionid != rev || header->body_count == 0)
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return false;
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vbody = (const void*)((const qbyte*)header + header->body_ofs);
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for (b = 0; b < header->body_count; b++, vbody++)
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{
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vsurf = (const void*)((const qbyte*)vbody + vbody->surf_ofs);
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for (s = 0; s < vbody->surf_count; s++, vsurf++)
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{
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vlod = (const void*)((const qbyte*)vsurf + vsurf->lod_ofs);
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for (l = 0; l < min(vsurf->lod_count, countof(ctx->lod)); l++, vlod++)
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totalsurfs += vlod->mesh_count;
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}
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}
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if (!totalsurfs)
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return false;
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ctx->mod->meshinfo = surf = ZG_Malloc(&ctx->mod->memgroup, sizeof(*surf)*totalsurfs);
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vskins = (const hl2vtxskins_t*)((const qbyte*)header + header->texreplacements_offset);
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for (l = 0, t=0; l < min(header->lod_count, countof(ctx->lod)); l++)
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t += max(1,vskins[l].numskins);
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skin = ZG_Malloc(&ctx->mod->memgroup, sizeof(*skin)*t + sizeof(*skinframe)*t);
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skinframe = (skinframe_t*)(skin+t);
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for (l = 0, t=0; l < min(header->lod_count, countof(ctx->lod)); l++, vskins++)
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{
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vskin = (const hl2vtxskin_t*)((const qbyte*)vskins+vskins->offsetskin);
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for (s = 0; s < vskins->numskins; s++, vskin++)
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{
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Q_strncpyz(skin[t].name, (const qbyte*)vskin + vskin->offsetskinname, sizeof(skin[t].name));
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Q_strncpyz(skinframe->shadername, (const qbyte*)vskin + vskin->offsetskinname, sizeof(skinframe->shadername));
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skin[t].numframes = 1;
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skin[t].skinspeed = 10;
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skin[t].frame = skinframe;
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skinframe++;
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t++;
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}
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if (!s)
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{ //make sure there's at least one skin...
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Q_strncpyz(skin[t].name, "", sizeof(skin[t].name));
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Q_strncpyz(skinframe->shadername, "", sizeof(skinframe->shadername));
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skin[t].numframes = 1;
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skin[t].skinspeed = 10;
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skin[t].frame = skinframe;
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skinframe++;
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t++;
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}
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}
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vbody = (const void*)((const qbyte*)header + header->body_ofs);
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for (b = 0; b < header->body_count; b++, vbody++, mbody++)
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{
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const hl2mdlsurf_t *msurf = (const hl2mdlsurf_t*)((const qbyte*)mbody + mbody->surf_ofs);
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vsurf = (const void*)((const qbyte*)vbody + vbody->surf_ofs);
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for (s = 0; s < vbody->surf_count; s++, vsurf++, msurf++)
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{
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vlod = (const void*)((const qbyte*)vsurf + vsurf->lod_ofs);
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vskins = (const hl2vtxskins_t*)((const qbyte*)header + header->texreplacements_offset);
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for (l = 0, t = 0; l < min(vsurf->lod_count, countof(ctx->lod)); l++, vlod++, vskins++)
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{
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const hl2mdlmesh_t *mmesh = (const hl2mdlmesh_t*)((const qbyte*)msurf + msurf->mesh_ofs);
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vmesh = (const void*)((const qbyte*)vlod + vlod->mesh_ofs);
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for (m = 0; m < vlod->mesh_count; m++, vmesh++, mmesh++)
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{
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Q_snprintfz(surf->surfacename, sizeof(surf->surfacename), "b%u_s%u_l%u_m%u", (unsigned)b, (unsigned)s, (unsigned)l, (unsigned)m);
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/*animation info*/
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surf->shares_bones = 0;
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surf->numbones = 0;
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surf->ofsbones = NULL; //no support for animations...
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surf->numanimations = 0;
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surf->ofsanimations = NULL; //we have no animation data
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#ifndef SERVERONLY
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/*skin data*/
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surf->numskins = (l<header->lod_count)?max(1,vskins->numskins):0;
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surf->ofsskins = skin+t;
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/*vertdata*/
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surf->ofs_rgbaf = NULL;
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surf->ofs_rgbaub = NULL;
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surf->ofs_st_array = ctx->lod[l].ofs_st_array;
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#endif
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surf->shares_verts = l;//surf-(galiasinfo_t*)ctx->mod->meshinfo;
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surf->numverts = ctx->lod[l].numverts;
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surf->ofs_skel_xyz = ctx->lod[l].ofs_skel_xyz;
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surf->ofs_skel_norm = ctx->lod[l].ofs_skel_norm;
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surf->ofs_skel_svect = ctx->lod[l].ofs_skel_svect;
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surf->ofs_skel_tvect = ctx->lod[l].ofs_skel_tvect;
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//surf->ofs_skel_idx = ctx->lod[l].ofs_skel_idx;
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//surf->ofs_skel_weight = ctx->lod[l].ofs_skel_weight;
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/*index data*/
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if (mmesh->vert_first+mmesh->vert_count > surf->numverts)
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surf->ofs_indexes = NULL, surf->numindexes = 0; //erk?
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else
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surf->ofs_indexes = Mod_HL2_LoadIndexes(ctx, &surf->numindexes, vmesh, mmesh->vert_first);
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/*misc data*/
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surf->geomset = 0;
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surf->geomid = 0;
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surf->contents = FTECONTENTS_BODY;
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surf->csurface.flags = 0;
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surf->surfaceid = 0;
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surf->mindist = 0;
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surf->maxdist = 0;
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if (surf != ctx->mod->meshinfo)
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surf[-1].nextsurf = surf;
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surf->nextsurf = NULL;
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surf++;
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}
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t += (l<header->lod_count)?max(1,vskins->numskins):0;
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}
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}
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}
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if (surf == ctx->mod->meshinfo)
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return false;
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if (surf-1 != ctx->mod->meshinfo)
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return false; //FIXME: multiple-surface meshes screw up some how.
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return true;
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}
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static qboolean Mod_HL2_LoadVVD(hl2parsecontext_t *ctx, const void *buffer, size_t fsize, unsigned int rev)
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{
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const hl2vvdheader_t *header = buffer;
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size_t lod;
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const hl2vvdvert_t *in;
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const vec4_t *it;
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if (fsize < sizeof(*header) || header->magic != (('I'<<0)|('D'<<8)|('S'<<16)|('V'<<24)) || header->version != 4 || header->revisionid != rev || header->lodverts_count[0] == 0)
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return false;
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for (lod = 0; lod < countof(ctx->lod) && lod < header->lod_count; lod++)
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{
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size_t v, numverts = ctx->lod[lod].numverts = header->lodverts_count[lod];
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vec2_t *st = ctx->lod[lod].ofs_st_array = ZG_Malloc(&ctx->mod->memgroup, sizeof(*st)*numverts);
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vecV_t *xyz = ctx->lod[lod].ofs_skel_xyz = ZG_Malloc(&ctx->mod->memgroup, sizeof(*xyz)*numverts);
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vec3_t *norm = ctx->lod[lod].ofs_skel_norm = ZG_Malloc(&ctx->mod->memgroup, sizeof(*norm)*numverts);
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vec3_t *sdir = ctx->lod[lod].ofs_skel_svect = ZG_Malloc(&ctx->mod->memgroup, sizeof(*sdir)*numverts);
|
||||
vec3_t *tdir = ctx->lod[lod].ofs_skel_tvect = ZG_Malloc(&ctx->mod->memgroup, sizeof(*tdir)*numverts);
|
||||
// byte_vec4_t *bone = ctx->lod[lod].ofs_skel_idx = ZG_Malloc(&ctx->mod->memgroup, sizeof(*bone)*numverts);
|
||||
// vec4_t *weight = ctx->lod[lod].ofs_skel_weight = ZG_Malloc(&ctx->mod->memgroup, sizeof(*weight)*numverts);
|
||||
|
||||
in = (const void*)((const char*)buffer+header->verts_offset);
|
||||
it = (const void*)((const char*)buffer+header->tangents_offset);
|
||||
for(v = 0; v < numverts; v++, in++, it++)
|
||||
{
|
||||
Vector2Copy(in->st, st[v]);
|
||||
VectorCopy(in->xyz, xyz[v]);
|
||||
VectorCopy(in->norm, norm[v]);
|
||||
|
||||
// VectorCopy(in->bone, bone[v]);
|
||||
// bone[v][3] = bone[v][2]; //make sure its valid, and in cache.
|
||||
// VectorCopy(in->weight, weight[v]);
|
||||
// weight[v][3] = 0; //missing influences cannot influence.
|
||||
|
||||
//tangents are compacted, and for some reason in a different part of the file.
|
||||
VectorCopy((*it), sdir[v]);
|
||||
CrossProduct(in->norm, (*it), tdir[v]);
|
||||
VectorScale(tdir[v], (*it)[3], tdir[v]);
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
qboolean QDECL Mod_LoadHL2Model (model_t *mod, const void *buffer, size_t fsize)
|
||||
{
|
||||
hl2parsecontext_t ctx = {mod};
|
||||
const hl2mdlheader_t *header = buffer;
|
||||
void *vtx = NULL, *vvd = NULL;
|
||||
size_t vtxsize = 0, vvdsize = 0;
|
||||
char base[MAX_QPATH];
|
||||
qboolean result;
|
||||
size_t i;
|
||||
const char *vtxpostfixes[] = {
|
||||
".dx90.vtx",
|
||||
".dx80.vtx",
|
||||
".vtx",
|
||||
".sw.vtx"
|
||||
};
|
||||
const char *vvdpostfixes[] = {
|
||||
".vvd"
|
||||
};
|
||||
|
||||
for (i = 0; !vtx && i < countof(vtxpostfixes); i++)
|
||||
{
|
||||
COM_StripExtension(mod->name, base, sizeof(base));
|
||||
Q_strncatz(base, vtxpostfixes[i], sizeof(base));
|
||||
vtx = FS_LoadMallocFile(base, &vtxsize);
|
||||
}
|
||||
for (i = 0; !vvd && i < countof(vvdpostfixes); i++)
|
||||
{
|
||||
COM_StripExtension(mod->name, base, sizeof(base));
|
||||
Q_strncatz(base, vvdpostfixes[i], sizeof(base));
|
||||
vvd = FS_LoadMallocFile(base, &vvdsize);
|
||||
}
|
||||
|
||||
result = Mod_HL2_LoadVVD(&ctx, vvd, vvdsize, header->revisionid);
|
||||
result &= Mod_HL2_LoadVTX(&ctx, vtx, vtxsize, header->revisionid, (const hl2mdlbody_t*)((const qbyte*)buffer + header->body_ofs));
|
||||
FS_FreeFile(vvd);
|
||||
FS_FreeFile(vtx);
|
||||
|
||||
VectorCopy(header->mins, mod->mins);
|
||||
VectorCopy(header->maxs, mod->maxs);
|
||||
|
||||
mod->type = mod_alias;
|
||||
return result;
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
|
||||
/*
|
||||
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
|
||||
Half-Life Model Renderer (Experimental) Copyright (C) 2001 James 'Ender' Brown [ender@quakesrc.org] This program is
|
||||
|
|
@ -308,6 +838,17 @@ qboolean QDECL Mod_LoadHLModel (model_t *mod, void *buffer, size_t fsize)
|
|||
hlmdl_bonecontroller_t *bonectls;
|
||||
void *texmem = NULL;
|
||||
|
||||
header = buffer;
|
||||
if (fsize < 8)
|
||||
{
|
||||
Con_Printf(CON_ERROR "%s - file is truncated\n", mod->name);
|
||||
return false;
|
||||
}
|
||||
|
||||
#ifdef MODELFMT_HL2
|
||||
if (header->version >= 44 && header->version <= 48)
|
||||
return Mod_LoadHL2Model(mod, buffer, fsize);
|
||||
#endif
|
||||
|
||||
//load the model into hunk
|
||||
model = ZG_Malloc(&mod->memgroup, sizeof(hlmodel_t));
|
||||
|
|
|
|||
Loading…
Reference in New Issue