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https://github.com/yquake2/yquake2remaster.git
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models: dkm split model to meshes
This commit is contained in:
Denis Pauk
parent
93bbc60bd8
commit
ffeabf4007
3 changed files with 46 additions and 86 deletions
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@ -293,79 +293,39 @@ Load DKM triangle lists
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static void
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Mod_LoadDKMTriangleList(dmdx_t *pheader, const dkmtriangle_t *pintri)
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{
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const dtriangle_t *pouttriofs;
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dmdxmesh_t *mesh_nodes;
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dtriangle_t *pouttri;
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int i;
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int m;
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pouttri = (dtriangle_t *) ((char *)pheader + pheader->ofs_tris);
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mesh_nodes = (dmdxmesh_t *)((char *)pheader + pheader->ofs_meshes);
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pouttriofs = pouttri = (dtriangle_t *) ((char *)pheader + pheader->ofs_tris);
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for (i = 0; i < pheader->num_tris; i++)
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for (m = 0; m < pheader->num_meshes; m++)
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{
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int j;
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int i;
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for (j = 0; j < 3; j++)
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mesh_nodes[m].ofs_tris = pouttri - pouttriofs;
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for (i = 0; i < pheader->num_tris; i++)
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{
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pouttri[i].index_xyz[j] = LittleShort(pintri[i].index_xyz[j]);
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pouttri[i].index_st[j] = LittleShort(pintri[i].index_st[j]);
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int j;
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if (pintri[i].mesh_id == m)
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{
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for (j = 0; j < 3; j++)
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{
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pouttri->index_xyz[j] = LittleShort(pintri[i].index_xyz[j]);
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pouttri->index_st[j] = LittleShort(pintri[i].index_st[j]);
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}
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pouttri++;
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}
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}
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mesh_nodes[m].num_tris = pouttri - pouttriofs - mesh_nodes[m].ofs_tris;
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}
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}
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/*
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=================
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Mod_LoadDKMCmdList
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Load the DKM glcmds
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=================
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*/
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static void
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Mod_LoadDKMCmdList(const char *mod_name, dmdx_t *pheader, int *pincmd)
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{
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const int *pendcmd;
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int *poutcmd;
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int i;
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poutcmd = (int *)((char*)pheader + pheader->ofs_glcmds);
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pendcmd = poutcmd + pheader->num_glcmds;
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/* read command count */
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i = LittleLong(*pincmd++);
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*poutcmd++ = i;
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while (i != 0)
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{
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if (i < 0)
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{
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i = -i;
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}
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/* skip unused surf_id and skin index */
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/* TODO: what about use surf_id as mesh_id */
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pincmd += 2;
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while (i)
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{
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poutcmd[0] = LittleLong(pincmd[1]);
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poutcmd[1] = LittleLong(pincmd[2]);
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poutcmd[2] = LittleLong(pincmd[0]);
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poutcmd += 3;
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pincmd += 3;
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i --;
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}
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/* read command count */
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i = LittleLong(*pincmd++);
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*poutcmd++ = i;
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if (pendcmd < poutcmd)
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{
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R_Printf(PRINT_ALL, "%s: Entity %s has possible broken glcmd.\n",
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__func__, mod_name);
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break;
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}
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}
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memset (poutcmd, 0, (pendcmd - poutcmd) * sizeof(int));
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}
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/*
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=================
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Mod_DkmLoadFrames
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@ -681,10 +641,8 @@ Mod_LoadModel_MDL(const char *mod_name, const void *buffer, int modfilelen,
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num_xyz = LittleLong(pinmodel->num_xyz);
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num_st = num_xyz;
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num_tris = LittleLong(pinmodel->num_tris);
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num_glcmds = (
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(3 * num_tris) * sizeof(int) * 3 + /* 3 vert */
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(num_tris * sizeof(int)) + /* triangles count */
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sizeof(int) /* final zero */) / sizeof(int);
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/* (count vert + 3 vert * (2 float + 1 int)) + final zero; */
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num_glcmds = (10 * num_tris) + 1;
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num_frames = LittleLong(pinmodel->num_frames);
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framesize = sizeof(daliasxframe_t) + sizeof(dxtrivertx_t) * (num_xyz - 1);
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@ -1361,9 +1319,6 @@ Mod_LoadModel_MD3(const char *mod_name, const void *buffer, int modfilelen,
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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 * LittleLong(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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@ -1374,6 +1329,9 @@ Mod_LoadModel_MD3(const char *mod_name, const void *buffer, int modfilelen,
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meshofs += LittleLong(md3_mesh->ofs_end);
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}
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/* (count vert + 3 vert * (2 float + 1 int)) + final zero; */
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num_glcmds = (10 * num_tris) + 1 * pinmodel.num_meshes;
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framesize = sizeof(daliasxframe_t) + sizeof(dxtrivertx_t) * num_xyz;
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ofs_skins = sizeof(dmdx_t);
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ofs_frames = ofs_skins + num_skins * MAX_SKINNAME;
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@ -1502,7 +1460,15 @@ Mod_LoadModel_MD3(const char *mod_name, const void *buffer, int modfilelen,
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(byte *)pheader + pheader->ofs_frames + i * pheader->framesize);
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const 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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if (md3_frameinfo->name[0])
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{
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strncpy(frame->name, md3_frameinfo->name, sizeof(frame->name) - 1);
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}
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else
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{
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snprintf(frame->name, 15, "%d", i);
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}
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PrepareFrameVertex(vertx + i * pheader->num_xyz,
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pheader->num_xyz, frame);
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@ -2252,7 +2218,6 @@ Mod_LoadModel_DKM(const char *mod_name, const void *buffer, int modfilelen,
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dmdx_t dmdxheader, *pheader = NULL;
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dkm_header_t header = {0};
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void *extradata = NULL;
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dmdxmesh_t *mesh_nodes;
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int i;
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if (sizeof(dkm_header_t) > modfilelen)
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@ -2315,13 +2280,14 @@ Mod_LoadModel_DKM(const char *mod_name, const void *buffer, int modfilelen,
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dmdxheader.framesize = sizeof(daliasxframe_t) - sizeof(dxtrivertx_t);
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dmdxheader.framesize += header.num_xyz * sizeof(dxtrivertx_t);
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dmdxheader.num_meshes = 1;
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dmdxheader.num_meshes = header.num_surf;
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dmdxheader.num_skins = header.num_skins;
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dmdxheader.num_xyz = header.num_xyz;
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dmdxheader.num_st = header.num_st;
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dmdxheader.num_tris = header.num_tris;
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dmdxheader.num_glcmds = header.num_glcmds;
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dmdxheader.num_frames = header.num_frames;
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/* (count vert + 3 vert * (2 float + 1 int)) + final zero; */
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dmdxheader.num_glcmds = (10 * dmdxheader.num_tris) + 1 * dmdxheader.num_meshes;
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/* just skip header */
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dmdxheader.ofs_meshes = sizeof(dmdxheader);
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@ -2339,19 +2305,10 @@ Mod_LoadModel_DKM(const char *mod_name, const void *buffer, int modfilelen,
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memcpy(pheader, &dmdxheader, sizeof(dmdxheader));
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/* create single mesh */
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mesh_nodes = (dmdxmesh_t *)((char *)pheader + pheader->ofs_meshes);
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mesh_nodes[0].ofs_tris = 0;
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mesh_nodes[0].num_tris = pheader->num_tris;
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mesh_nodes[0].ofs_glcmds = 0;
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mesh_nodes[0].num_glcmds = pheader->num_glcmds;
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memcpy((byte*)pheader + pheader->ofs_skins, (byte *)buffer + header.ofs_skins,
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pheader->num_skins * MAX_SKINNAME);
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Mod_LoadSTvertList(pheader,
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(dstvert_t *)((byte *)buffer + header.ofs_st));
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Mod_LoadDKMCmdList(mod_name, pheader,
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(int *)((byte *)buffer + header.ofs_glcmds));
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if (header.version == DKM1_VERSION)
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{
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Mod_LoadFrames_MD2(pheader, (byte *)buffer + header.ofs_frames,
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@ -2366,6 +2323,7 @@ Mod_LoadModel_DKM(const char *mod_name, const void *buffer, int modfilelen,
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Mod_LoadDKMTriangleList(pheader,
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(dkmtriangle_t *)((byte *)buffer + header.ofs_tris));
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Mod_LoadCmdGenerate(pheader);
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Mod_LoadFixNormals(pheader);
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Mod_LoadFixImages(mod_name, pheader, false);
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@ -1293,10 +1293,11 @@ Mod_LoadModel_MD5(const char *mod_name, const void *buffer, int modfilelen,
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num_verts += md5file->meshes[i].num_verts;
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num_tris += md5file->meshes[i].num_tris * 3;
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/* (count vert + 3 vert * (2 float + 1 int)) + final zero; */
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num_glcmds += (10 * md5file->meshes[i].num_tris) + 1;
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}
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/* (count vert + 3 vert * (2 float + 1 int)) + final zero; */
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num_glcmds = (10 * md5file->num_tris) + 1 * md5file->num_meshes;
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MD5_ComputeNormals(md5file);
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framesize = sizeof(daliasxframe_t) + sizeof(dxtrivertx_t) * num_verts;
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@ -251,7 +251,7 @@ typedef struct fmheader_s
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typedef struct dkmtriangle_s
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{
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short extra; /* no idea */
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short mesh_id;
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short num_uvframes; /* no idea */
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short index_xyz[3];
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short index_st[3];
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@ -277,6 +277,7 @@ typedef struct dkm_header_s
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int ofs_tris; /* offset for dtriangles */
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int ofs_frames; /* offset for first frame */
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int ofs_glcmds;
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/* has 52 * num_surf and additional 24 * x structures */
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int ofs_surf; /* no idea */
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int ofs_end; /* end of file */
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} dkm_header_t;
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