mirror of
https://github.com/yquake2/yquake2remaster.git
synced 2024-11-25 22:10:59 +00:00
models: add initial md3 model format support
This commit is contained in:
Denis Pauk
parent
f0dac24bac
commit
e095dc1672
11 changed files with 351 additions and 3 deletions
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@ -5710,6 +5710,7 @@ PlayerModelList(void)
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if (ContainsFile(s, "tris.fm") == false &&
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ContainsFile(s, "tris.dkm") == false &&
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ContainsFile(s, "tris.md2") == false &&
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ContainsFile(s, "tris.md3") == false &&
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ContainsFile(s, "tris.md5mesh") == false &&
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ContainsFile(s, "tris.mdl") == false)
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{
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@ -605,6 +605,251 @@ Mod_LoadModel_MDL(const char *mod_name, const void *buffer, int modfilelen,
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return extradata;
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}
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/*
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=================
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Mod_LoadModel_MD3
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=================
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*/
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static void *
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Mod_LoadModel_MD3(const char *mod_name, const void *buffer, int modfilelen,
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struct image_s ***skins, int *numskins, modtype_t *type)
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{
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md3_header_t pinmodel;
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void *extradata;
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int i;
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if (modfilelen < sizeof(pinmodel))
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{
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R_Printf(PRINT_ALL, "%s: %s has incorrect header size (%i should be %ld)",
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__func__, mod_name, modfilelen, sizeof(pinmodel));
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return NULL;
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}
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for (i=0 ; i < sizeof(pinmodel) / sizeof(int) ; i++)
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{
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((int *)&pinmodel)[i] = LittleLong(((int *)buffer)[i]);
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}
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if (pinmodel.version != ID3_VERSION)
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{
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R_Printf(PRINT_ALL, "%s: %s has wrong version number (%i should be %i)",
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__func__, mod_name, pinmodel.version, ID3_VERSION);
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return NULL;
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}
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if (pinmodel.ofs_end < 0 || pinmodel.ofs_end > modfilelen)
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{
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R_Printf(PRINT_ALL, "%s: model %s file size(%d) too small, should be %d",
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__func__, mod_name, modfilelen, pinmodel.ofs_end);
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return NULL;
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}
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if (pinmodel.num_meshes < 0)
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{
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R_Printf(PRINT_ALL, "%s: model %s file has incorrect meshes count %d",
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__func__, mod_name, pinmodel.num_meshes);
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return NULL;
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}
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if (pinmodel.num_frames < 0)
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{
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R_Printf(PRINT_ALL, "%s: model %s file has incorrect frames count %d",
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__func__, mod_name, pinmodel.num_frames);
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return NULL;
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}
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int num_xyz = 0, num_tris = 0, num_glcmds = 0, num_skins = 0;
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byte * meshofs = (byte*)buffer + pinmodel.ofs_meshes;
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for (i = 0; i < pinmodel.num_meshes; i++)
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{
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md3_mesh_t *md3_mesh = (md3_mesh_t*)meshofs;
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num_xyz += LittleLong(md3_mesh->num_xyz);
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num_tris += LittleLong(md3_mesh->num_tris);
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num_skins += LittleLong(md3_mesh->num_shaders);
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/* (count vert + 3 vert * (2 float + 1 int)) + final zero; */
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num_glcmds += (10 * md3_mesh->num_tris) + 1;
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if (pinmodel.num_frames != LittleLong(md3_mesh->num_frames))
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{
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R_Printf(PRINT_ALL, "%s: model %s broken mesh %d",
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__func__, mod_name, i);
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return NULL;
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}
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meshofs += md3_mesh->ofs_end;
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}
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int framesize = sizeof(daliasxframe_t) + sizeof(dxtrivertx_t) * num_xyz;
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int ofs_skins = sizeof(dmdx_t);
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int ofs_frames = ofs_skins + num_skins * MAX_SKINNAME;
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int ofs_glcmds = ofs_frames + framesize * pinmodel.num_frames;
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int ofs_meshes = ofs_glcmds + num_glcmds * sizeof(int);
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int ofs_tris = ofs_meshes + pinmodel.num_meshes * sizeof(dmdxmesh_t);
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int ofs_st = ofs_tris + num_tris * sizeof(dtriangle_t);
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int ofs_end = ofs_st + num_tris * 3 * sizeof(dstvert_t);
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dmdx_t *pheader = NULL;
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*numskins = num_skins;
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extradata = Hunk_Begin(ofs_end + Q_max(*numskins, MAX_MD2SKINS) * sizeof(struct image_s *));
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pheader = Hunk_Alloc(ofs_end);
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*skins = Hunk_Alloc((*numskins) * sizeof(struct image_s *));
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pheader->framesize = framesize;
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pheader->skinheight = 256;
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pheader->skinwidth = 256;
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pheader->num_skins = *numskins;
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pheader->num_glcmds = num_glcmds;
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pheader->num_frames = pinmodel.num_frames;
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pheader->num_xyz = num_xyz;
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pheader->num_meshes = pinmodel.num_meshes;
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pheader->num_st = num_tris * 3;
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pheader->num_tris = num_tris;
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pheader->ofs_meshes = ofs_meshes;
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pheader->ofs_skins = ofs_skins;
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pheader->ofs_st = ofs_st;
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pheader->ofs_tris = ofs_tris;
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pheader->ofs_frames = ofs_frames;
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pheader->ofs_glcmds = ofs_glcmds;
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pheader->ofs_end = ofs_end;
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meshofs = (byte*)buffer + pinmodel.ofs_meshes;
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num_xyz = 0;
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num_tris = 0;
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int *pglcmds, *baseglcmds;
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pglcmds = baseglcmds = (int *)((byte *)pheader + pheader->ofs_glcmds);
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dmdxmesh_t *mesh_nodes = (dmdxmesh_t *)((byte *)pheader + pheader->ofs_meshes);
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dtriangle_t *tris = (dtriangle_t*)((byte *)pheader + pheader->ofs_tris);
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dstvert_t *st = (dstvert_t*)((byte *)pheader + pheader->ofs_st);
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dmdx_vert_t * vertx = malloc(pinmodel.num_frames * pheader->num_xyz * sizeof(dmdx_vert_t));
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char *skin = (char *)pheader + pheader->ofs_skins;
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meshofs = (byte*)buffer + pinmodel.ofs_meshes;
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for (i = 0; i < pinmodel.num_meshes; i++)
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{
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int j;
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md3_mesh_t *md3_mesh = (md3_mesh_t*)meshofs;
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const float *fst = (const float*)(meshofs + md3_mesh->ofs_st);
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/* load shaders */
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for (j = 0; j < md3_mesh->num_shaders; j++)
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{
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md3_shader_t *md3_shader = (md3_shader_t*)(meshofs + md3_mesh->ofs_shaders) + j;
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strncpy(skin, md3_shader->name, MAX_SKINNAME - 1);
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skin += MAX_SKINNAME;
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}
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for (j = 0; j < md3_mesh->num_xyz; j++)
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{
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st[j + num_xyz].s = LittleFloat(fst[j * 2 + 0]) * pheader->skinwidth;
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st[j + num_xyz].t = LittleFloat(fst[j * 2 + 1]) * pheader->skinheight;
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}
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/* load triangles */
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const int *p = (const int*)(meshofs + md3_mesh->ofs_tris);
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mesh_nodes[i].start = pglcmds - baseglcmds;
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for (j = 0; j < md3_mesh->num_tris * 3; j++)
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{
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int vert_id;
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vec2_t st;
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/* count */
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if ((j % 3) == 0)
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{
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*pglcmds = 3;
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pglcmds++;
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}
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/* st */
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st[0] = LittleFloat(fst[LittleLong(p[j]) * 2 + 0]);
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st[1] = LittleFloat(fst[LittleLong(p[j]) * 2 + 1]);
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memcpy(pglcmds, &st, sizeof(st));
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pglcmds += 2;
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/* index */
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vert_id = LittleLong(p[j]) + num_xyz;
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*pglcmds = vert_id;
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tris[num_tris + j / 3].index_xyz[j % 3] = vert_id;
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tris[num_tris + j / 3].index_st[j % 3] = vert_id;
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pglcmds++;
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}
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/* final zero */
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*pglcmds = 0;
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pglcmds++;
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mesh_nodes[i].num = pglcmds - baseglcmds - mesh_nodes[i].start;
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md3_vertex_t *md3_vertex = (md3_vertex_t*)(meshofs + md3_mesh->ofs_verts);
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int k;
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for (k = 0; k < pinmodel.num_frames; k ++)
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{
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for (j = 0; j < md3_mesh->num_xyz; j++, md3_vertex++)
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{
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double npitch, nyaw;
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short normalpitchyaw;
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int vert_pos = num_xyz + k * pheader->num_xyz;
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vertx[vert_pos + j].xyz[0] = (signed short)LittleShort(md3_vertex->origin[0]) * (1.0f / 64.0f);
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vertx[vert_pos + j].xyz[1] = (signed short)LittleShort(md3_vertex->origin[1]) * (1.0f / 64.0f);
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vertx[vert_pos + j].xyz[2] = (signed short)LittleShort(md3_vertex->origin[2]) * (1.0f / 64.0f);
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/* decompress the vertex normal */
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normalpitchyaw = LittleShort(md3_vertex->normalpitchyaw);
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npitch = (normalpitchyaw & 255) * (2 * M_PI) / 256.0;
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nyaw = ((normalpitchyaw >> 8) & 255) * (2 * M_PI) / 256.0;
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vertx[vert_pos + j].norm[0] = (float)(sin(npitch) * cos(nyaw));
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vertx[vert_pos + j].norm[1] = (float)(sin(npitch) * sin(nyaw));
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vertx[vert_pos + j].norm[2] = (float)cos(npitch);
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}
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}
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meshofs += md3_mesh->ofs_end;
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num_xyz += LittleLong(md3_mesh->num_xyz);
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num_tris += LittleLong(md3_mesh->num_tris);
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}
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byte *inframe = (unsigned char*)buffer + pinmodel.ofs_frames;
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for (i = 0; i < pheader->num_frames; i ++)
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{
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daliasxframe_t *frame = (daliasxframe_t *)(
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(byte *)pheader + pheader->ofs_frames + i * pheader->framesize);
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md3_frameinfo_t *md3_frameinfo = (md3_frameinfo_t*)inframe;
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strncpy(frame->name, md3_frameinfo->name, sizeof(frame->name) - 1);
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PrepareFrameVertex(vertx + i * pheader->num_xyz,
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pheader->num_xyz, frame);
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inframe += sizeof(md3_frameinfo_t);
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}
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free(vertx);
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for (i = 0; i < pheader->num_skins; i++)
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{
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char *skin;
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skin = (char *)pheader + pheader->ofs_skins + i * MAX_SKINNAME;
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skin[MAX_SKINNAME - 1] = 0;
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R_Printf(PRINT_DEVELOPER, "%s: %s #%d: Should load external '%s'\n",
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__func__, mod_name, i, skin);
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}
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*type = mod_alias;
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return extradata;
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}
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/*
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=================
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Mod_LoadModel_MD2
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@ -1458,6 +1703,11 @@ Mod_LoadModel(const char *mod_name, const void *buffer, int modfilelen,
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skins, numskins, type);
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break;
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case ID3HEADER:
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extradata = Mod_LoadModel_MD3(mod_name, buffer, modfilelen,
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skins, numskins, type);
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break;
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case IDMD5HEADER:
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extradata = Mod_LoadModel_MD5(mod_name, buffer, modfilelen,
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skins, numskins, type);
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@ -1614,6 +1864,7 @@ Mod_LoadFileWithoutExt(const char *namewe, void **buffer, const char* ext)
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if (!strcmp(ext, "fm") ||
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!strcmp(ext, "dkm") ||
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!strcmp(ext, "md2") ||
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!strcmp(ext, "md3") ||
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!strcmp(ext, "md5mesh") ||
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!strcmp(ext, "mdl"))
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{
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@ -1626,6 +1877,15 @@ Mod_LoadFileWithoutExt(const char *namewe, void **buffer, const char* ext)
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return filesize;
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}
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/* Check Quake 3 model */
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Q_strlcpy(newname, namewe, sizeof(newname));
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Q_strlcpy(newname + tlen, ".md3", sizeof(newname));
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filesize = ri.FS_LoadFile(newname, buffer);
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if (filesize > 0)
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{
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return filesize;
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}
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/* Check Heretic2 model */
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Q_strlcpy(newname, namewe, sizeof(newname));
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Q_strlcat(newname, ".fm", sizeof(newname));
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@ -36,4 +36,9 @@ typedef struct dmdx_vert_s
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vec3_t norm;
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} dmdx_vert_t;
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extern void PrepareFrameVertex(dmdx_vert_t *vertexArray, int num_verts,
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daliasxframe_t *frame_out);
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extern void *Mod_LoadModel_MD5(const char *mod_name, const void *buffer,
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int modfilelen, struct image_s ***skins, int *numskins, modtype_t *type);
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#endif /* SRC_CLIENT_REFRESH_FILES_MODELS_H_ */
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@ -895,7 +895,7 @@ PrepareMeshVertex(const md5_mesh_t *mesh, const md5_joint_t *skeleton,
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}
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}
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static void
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void
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PrepareFrameVertex(dmdx_vert_t *vertexArray, int num_verts, daliasxframe_t *frame_out)
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{
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int i;
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@ -824,6 +824,8 @@ Mod_ForName(const char *name, model_t *parent_model, qboolean crash)
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/* fall through */
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case IDMDLHEADER:
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/* fall through */
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case ID3HEADER:
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/* fall through */
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case IDMD5HEADER:
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/* fall through */
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case IDSPRITEHEADER:
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@ -825,6 +825,8 @@ Mod_ForName(const char *name, gl3model_t *parent_model, qboolean crash)
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/* fall through */
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case IDMDLHEADER:
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/* fall through */
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case ID3HEADER:
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/* fall through */
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case IDMD5HEADER:
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/* fall through */
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case IDSPRITEHEADER:
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@ -823,6 +823,8 @@ Mod_ForName(const char *name, gl4model_t *parent_model, qboolean crash)
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/* fall through */
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case IDMDLHEADER:
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/* fall through */
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case ID3HEADER:
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/* fall through */
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case IDMD5HEADER:
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/* fall through */
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case IDSPRITEHEADER:
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@ -322,8 +322,6 @@ typedef struct
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/* Shared models func */
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typedef struct image_s* (*findimage_t)(const char *name, imagetype_t type);
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extern void *Mod_LoadModel_MD5(const char *mod_name, const void *buffer, int modfilelen,
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struct image_s ***skins, int *numskins, modtype_t *type);
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extern void *Mod_LoadModel(const char *mod_name, const void *buffer, int modfilelen,
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vec3_t mins, vec3_t maxs, struct image_s ***skins, int *numskins,
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findimage_t find_image, loadimage_t load_image, modtype_t *type);
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@ -648,6 +648,8 @@ Mod_ForName(const char *name, model_t *parent_model, qboolean crash)
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/* fall through */
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case IDMDLHEADER:
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/* fall through */
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case ID3HEADER:
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/* fall through */
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case IDMD5HEADER:
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/* fall through */
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case IDSPRITEHEADER:
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@ -815,6 +815,8 @@ Mod_ForName(const char *name, model_t *parent_model, qboolean crash)
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/* fall through */
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case IDMDLHEADER:
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/* fall through */
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case ID3HEADER:
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/* fall through */
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case IDMD5HEADER:
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/* fall through */
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case IDSPRITEHEADER:
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@ -241,6 +241,80 @@ typedef struct dkm_header_s
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int ofs_end; /* end of file */
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} dkm_header_t;
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/* .MD3 mesh/anim files */
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#define ID3HEADER (('3' << 24) + ('P' << 16) + ('D' << 8) + 'I')
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#define ID3_VERSION 15
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typedef struct md3_vertex_s
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{
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short origin[3];
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short normalpitchyaw;
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} md3_vertex_t;
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typedef struct md3_frameinfo_s
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{
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float mins[3];
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float maxs[3];
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float origin[3];
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float radius;
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char name[16];
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} md3_frameinfo_t;
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typedef struct md3_tag_s
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{
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char name[MAX_SKINNAME];
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vec3_t origin;
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float rotationmatrix[9];
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} md3_tag_t;
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typedef struct md3_shader_s
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{
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char name[MAX_SKINNAME];
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int shadernum; /* not used by the disk format */
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} md3_shader_t;
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typedef struct md3_mesh_s
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{
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int ident;
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char name[MAX_SKINNAME];
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int flags; /* unused */
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int num_frames;
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int num_shaders;
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int num_xyz;
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int num_tris;
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/* lump offsets are relative to start of mesh */
|
||||
int ofs_tris;
|
||||
int ofs_shaders;
|
||||
int ofs_st;
|
||||
int ofs_verts;
|
||||
int ofs_end;
|
||||
} md3_mesh_t;
|
||||
|
||||
typedef struct md3_header_s
|
||||
{
|
||||
int ident;
|
||||
int version;
|
||||
|
||||
char name[MAX_SKINNAME];
|
||||
|
||||
int flags; /* unused by quake3, darkplaces uses it for quake-style modelflags (rocket trails, etc.) */
|
||||
|
||||
int num_frames;
|
||||
int num_tags;
|
||||
int num_meshes;
|
||||
int num_skins; /* apparently unused */
|
||||
|
||||
/* lump offsets are relative to start of header (start of file) */
|
||||
int ofs_frames;
|
||||
int ofs_tags;
|
||||
int ofs_meshes;
|
||||
int ofs_end;
|
||||
} md3_header_t;
|
||||
|
||||
/* .MD5 model file format */
|
||||
#define IDMD5HEADER (('V' << 24) + ('5' << 16) + ('D' << 8) + 'M')
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue