X-Git-Url: http://git.xonotic.org/?a=blobdiff_plain;f=model_alias.h;h=3542495f51bb5a7e2262e9424a09e5b7676287de;hb=384e311e7918416b4b72b05935b1343dd62fa8ed;hp=aafcb33d4578e9e77865ca7a7d9fe8dd7c3a1ee3;hpb=855932aeb5707c5efb2858c3e51b913d8203ebbe;p=xonotic%2Fdarkplaces.git diff --git a/model_alias.h b/model_alias.h index aafcb33d..3542495f 100644 --- a/model_alias.h +++ b/model_alias.h @@ -18,6 +18,9 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +#ifndef MODEL_ALIAS_H +#define MODEL_ALIAS_H + /* ============================================================================== @@ -29,45 +32,6 @@ Alias models are position independent, so the cache manager can move them. #include "modelgen.h" -/* -typedef struct -{ - int firstpose; - int numposes; - float interval; - trivertx_t bboxmin; - trivertx_t bboxmax; - int frame; - char name[16]; -} maliasframedesc_t; - -typedef struct -{ - trivertx_t bboxmin; - trivertx_t bboxmax; - int frame; -} maliasgroupframedesc_t; - -typedef struct -{ - int numframes; - int intervals; - maliasgroupframedesc_t frames[1]; -} maliasgroup_t; - -typedef struct mtriangle_s { - int facesfront; - int vertindex[3]; -} mtriangle_t; -*/ - -// LordHavoc: new vertex format -typedef struct { - byte v[3]; // location - signed char n[3]; // surface normal for lighting *127.0 -} trivert2; - -#define MAX_SKINS 32 typedef struct { int ident; int version; @@ -86,28 +50,6 @@ typedef struct { float size; } daliashdr_t; -typedef struct -{ - char name[16]; // LordHavoc: only kept this for reasons of viewthing support - unsigned short start; - unsigned short length; - float rate; // in poses per second -} maliasframe_t; - -typedef struct -{ - vec3_t scale; - vec3_t scale_origin; - int numverts; - int numtris; - int numframes; - int numposes; - int framedata; // LordHavoc: unsigned short start - int texdata; // LordHavoc: texture coordinate array - int posedata; // LordHavoc: vertex data for all the poses - int tridata; // LordHavoc: vertex indices for the triangles -} maliashdr_t; - #define MAXALIASVERTS 4096 #define MAXALIASFRAMES 1024 #define MAXALIASTRIS 4096 @@ -123,13 +65,11 @@ typedef struct // LordHavoc: grabbed this from the Q2 utility source, // renamed a things to avoid conflicts -#define MD2IDALIASHEADER (('2'<<24)+('P'<<16)+('D'<<8)+'I') #define MD2ALIAS_VERSION 8 #define MD2MAX_TRIANGLES 4096 #define MD2MAX_VERTS 4096 #define MD2MAX_FRAMES 1024 -#define MD2MAX_SKINS 32 #define MD2MAX_SKINNAME 64 // sanity checking size #define MD2MAX_SIZE (16777216) @@ -151,18 +91,8 @@ typedef struct float scale[3]; // multiply byte verts by this float translate[3]; // then add this char name[16]; // frame name from grabbing - trivertx_t verts[]; // variable sized } md2frame_t; -// LordHavoc: memory representation is different than disk -typedef struct -{ - float scale[3]; // multiply byte verts by this - float translate[3]; // then add this - trivert2 verts[]; // variable sized -} md2memframe_t; - - // the glcmd format: // a positive integer starts a tristrip command, followed by that many // vertex structures. @@ -192,25 +122,122 @@ typedef struct int ofs_st; // byte offset from start for stverts int ofs_tris; // offset for dtriangles int ofs_frames; // offset for first frame - int ofs_glcmds; + int ofs_glcmds; int ofs_end; // end of file } md2_t; -typedef struct +// LordHavoc: Q1 and Q2 models are converted to the same internal format +#define ALIASTYPE_MDLMD2 1 +#define ALIASTYPE_ZYM 2 + +extern void Mod_LoadAliasModel (struct model_s *mod, void *buffer); +extern void Mod_LoadQ2AliasModel (struct model_s *mod, void *buffer); + +extern void Mod_AliasInit(void); + +#include "model_zymotic.h" + +// all md3 ints, floats, and shorts, are little endian, and thus need to be +// passed through LittleLong/LittleFloat/LittleShort to avoid breaking on +// bigendian machines (Macs for example) +#define MD3VERSION 15 +#define MD3NAME 64 +#define MD3FRAMENAME 16 + +// the origin is at 1/16th scale +// the pitch and yaw are encoded as 8 bits each +typedef struct md3vertex_s { - int framesize; // byte size of each frame + short origin[3], normalpitchyaw; +} +md3vertex_t; - int num_skins; - int num_xyz; - int num_st; // greater than num_xyz for seams - int num_tris; - int num_glcmds; // dwords in strip/fan command list - int num_frames; +// one per frame +typedef struct md3frameinfo_s +{ + float mins[3]; + float maxs[3]; + float origin[3]; + float radius; + char name[MD3FRAMENAME]; +} +md3frameinfo_t; + +// one per tag per frame +typedef struct md3tag_s +{ + char name[MD3NAME]; + float origin[3]; + float rotationmatrix[9]; +} +md3tag_t; + +// one per shader per mesh +typedef struct md3shader_s +{ + char name[MD3NAME]; + // engine field (yes this empty int does exist in the file) + int shadernum; +} +md3shader_t; + +// one per mesh per model +// +// note that the lump_ offsets in this struct are relative to the beginning +// of the mesh struct +// +// to find the next mesh in the file, you must go to lump_end, which puts you +// at the beginning of the next mesh +// +// the comments after each field are example values from 4 models I examined +typedef struct md3mesh_s +{ + char identifier[4]; // "IDP3" + char name[MD3NAME]; + int num_unknown1; // 0 0 0 0 + int num_frames; // 1 9 1 138 + int num_shaders; // 1 1 1 1 + int num_vertices; // 68 275 346 42 + int num_triangles; // 96 324 324 55 + int lump_elements; // 108 108 108 176 + int lump_shaders; // 1260 3996 3996 108 + int lump_texcoords; // 1328 4064 4064 836 + int lump_framevertices; // 1872 6264 6832 1172 + int lump_end; // 2416 26064 9600 47540 +} +md3mesh_t; + +// this struct is at the beginning of the md3 file +// +// note that the lump_ offsets in this struct are relative to the beginning +// of the header struct (which is the beginning of the file) +// +// the comments after each field are example values from 4 models I examined +typedef struct md3modelheader_s +{ + char identifier[4]; // "IDP3" + int version; // 15 15 15 15 + char name[MD3NAME]; // "eyes" "v_axe" "armor" "models/players/brandon/brandon.md3" + int unknown1; // 0 0 0 0 + int num_frames; // 1 9 1 138 + int num_tags; // 0 0 3 0 + int num_meshes; // 1 1 1 3 + int unknown2; // 0 0 0 0 + int lump_frameinfo; // 108 108 108 108 + int lump_tags; // 164 612 164 7836 + int lump_meshes; // 164 612 164 54204 + int lump_end; // 2580 26676 9764 219904 +} +md3modelheader_t; + +// LordHavoc: all quake series 'alias' models (mdl, md2, md3) are converted to this vertex format +typedef struct aliasvertex_s +{ + short origin[3]; + signed char normal[3]; + signed char svector[3]; +} +aliasvertex_t; - int ofs_tris; // offset for dtriangles - int ofs_frames; // offset for first frame - int ofs_glcmds; -} md2mem_t; +#endif -#define ALIASTYPE_MDL 1 -#define ALIASTYPE_MD2 2