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https://github.com/yquake2/yquake2remaster.git
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models: md3 compress commands
This commit is contained in:
Denis Pauk
parent
b3eb00673b
commit
9952521af3
1 changed files with 86 additions and 81 deletions
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@ -422,6 +422,11 @@ Mod_LoadFixImages(const char* mod_name, dmdx_t *pheader, qboolean internal)
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{
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int i;
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if (!pheader)
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{
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return;
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}
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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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@ -766,7 +771,6 @@ static int *used;
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static int strip_xyz[128];
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static int strip_st[128];
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static int strip_tris[128];
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static int stripcount;
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static int
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md2_strip_length(int starttri, int startv, dtriangle_t *triangles, int num_tris)
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@ -776,6 +780,7 @@ md2_strip_length(int starttri, int startv, dtriangle_t *triangles, int num_tris)
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int j;
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dtriangle_t *last, *check;
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int k;
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int stripcount;
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used[starttri] = 2;
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@ -796,28 +801,29 @@ md2_strip_length(int starttri, int startv, dtriangle_t *triangles, int num_tris)
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m2 = last->index_xyz[(startv+1)%3];
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st2 = last->index_st[(startv+1)%3];
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/* look for a matching triangle */
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/* look for a matching triangle */
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nexttri:
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for (j = starttri + 1, check = &triangles[starttri + 1]; j < num_tris; j++, check++)
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{
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for (k = 0; k < 3; k++)
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{
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if (check->index_xyz[k] != m1)
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continue;
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if (check->index_st[k] != st1)
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continue;
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if (check->index_xyz[(k+1)%3] != m2)
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continue;
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if (check->index_st[(k+1)%3] != st2)
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if ((check->index_xyz[k] != m1) ||
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(check->index_st[k] != st1) ||
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(check->index_xyz[(k+1)%3] != m2) ||
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(check->index_st[(k+1)%3] != st2))
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{
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continue;
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}
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/* this is the next part of the fan */
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/* this is the next part of the fan */
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/* if we can't use this triangle, this tristrip is done */
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/* if we can't use this triangle, this tristrip is done */
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if (used[j])
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{
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goto done;
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}
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/* the new edge */
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/* the new edge */
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if (stripcount & 1)
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{
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m2 = check->index_xyz[(k+2)%3];
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@ -840,10 +846,14 @@ nexttri:
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}
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done:
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/* clear the temp used flags */
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/* clear the temp used flags */
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for (j = starttri + 1; j < num_tris; j++)
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{
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if (used[j] == 2)
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{
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used[j] = 0;
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}
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}
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return stripcount;
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}
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@ -856,6 +866,7 @@ md2_fan_length(int starttri, int startv, dtriangle_t *triangles, int num_tris)
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int j;
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dtriangle_t *last, *check;
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int k;
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int stripcount;
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used[starttri] = 2;
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@ -877,28 +888,29 @@ md2_fan_length(int starttri, int startv, dtriangle_t *triangles, int num_tris)
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st2 = last->index_st[(startv+2)%3];
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/* look for a matching triangle */
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/* look for a matching triangle */
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nexttri:
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for (j = starttri + 1, check = &triangles[starttri + 1]; j < num_tris; j++, check++)
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{
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for (k = 0; k < 3; k++)
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{
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if (check->index_xyz[k] != m1)
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continue;
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if (check->index_st[k] != st1)
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continue;
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if (check->index_xyz[(k+1)%3] != m2)
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continue;
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if (check->index_st[(k+1)%3] != st2)
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if ((check->index_xyz[k] != m1) ||
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(check->index_st[k] != st1) ||
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(check->index_xyz[(k+1)%3] != m2) ||
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(check->index_st[(k+1)%3] != st2))
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{
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continue;
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}
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/* this is the next part of the fan */
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/* this is the next part of the fan */
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/* if we can't use this triangle, this tristrip is done */
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/* if we can't use this triangle, this tristrip is done */
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if (used[j])
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{
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goto done;
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}
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/* the new edge */
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/* the new edge */
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m2 = check->index_xyz[(k+2)%3];
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st2 = check->index_st[(k+2)%3];
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@ -913,10 +925,14 @@ nexttri:
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}
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done:
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/* clear the temp used flags */
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/* clear the temp used flags */
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for (j = starttri + 1; j < num_tris; j++)
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{
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if (used[j] == 2)
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{
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used[j] = 0;
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}
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}
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return stripcount;
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}
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@ -940,7 +956,9 @@ md2_build_glcmds(const dstvert_t *texcoords, dtriangle_t *triangles, int num_tri
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{
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/* pick an unused triangle and start the trifan */
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if (used[i])
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{
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continue;
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}
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bestlen = 0;
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for (type = 0; type < 2; type++)
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@ -948,41 +966,59 @@ md2_build_glcmds(const dstvert_t *texcoords, dtriangle_t *triangles, int num_tri
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for (startv = 0; startv < 3; startv++)
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{
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if (type == 1)
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{
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len = md2_strip_length(i, startv, triangles, num_tris);
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}
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else
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{
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len = md2_fan_length(i, startv, triangles, num_tris);
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}
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if (len > bestlen)
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{
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besttype = type;
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bestlen = len;
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for (j = 0; j < bestlen + 2; j++)
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{
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best_st[j] = strip_st[j];
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best_xyz[j] = strip_xyz[j];
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}
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for (j = 0; j < bestlen; j++)
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{
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best_tris[j] = strip_tris[j];
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}
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}
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}
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}
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/* mark the tris on the best strip/fan as used */
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for (j = 0; j < bestlen; j++)
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{
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used[best_tris[j]] = 1;
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}
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if (besttype == 1)
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{
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commands[numcommands++] = (bestlen+2);
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}
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else
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{
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commands[numcommands++] = -(bestlen+2);
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}
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for (j = 0; j < bestlen + 2; j++)
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{
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union { float f; int i; } u;
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u.f = (texcoords[best_st[j]].s + 0.5f) / skinwidth;
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commands[numcommands++] = u.i;
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u.f = (texcoords[best_st[j]].t + 0.5f) / skinheight;
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commands[numcommands++] = u.i;
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vec2_t cmdst;
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/* st */
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cmdst[0] = (texcoords[best_st[j]].s + 0.5f) / skinwidth;
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cmdst[1] = (texcoords[best_st[j]].t + 0.5f) / skinheight;
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memcpy(commands + numcommands, &cmdst, sizeof(cmdst));
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numcommands += 2;
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/* vert id */
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commands[numcommands++] = best_xyz[j];
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}
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}
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@ -1004,7 +1040,7 @@ 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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dmdx_t *pheader = NULL;
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int *baseglcmds;
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const int *baseglcmds;
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md3_header_t pinmodel;
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void *extradata;
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int *pglcmds;
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@ -1078,7 +1114,7 @@ Mod_LoadModel_MD3(const char *mod_name, const void *buffer, int modfilelen,
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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) * pinmodel.num_meshes;
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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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@ -1119,9 +1155,14 @@ Mod_LoadModel_MD3(const char *mod_name, const void *buffer, int modfilelen,
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meshofs = pinmodel.ofs_meshes;
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for (i = 0; i < pinmodel.num_meshes; i++)
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{
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const md3_mesh_t *md3_mesh = (md3_mesh_t*)((byte*)buffer + meshofs);
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const float *fst = (const float*)((byte*)buffer + meshofs + LittleLong(md3_mesh->ofs_st));
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int j;
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const md3_mesh_t *md3_mesh;
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md3_vertex_t *md3_vertex;
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const float *fst;
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const int *p;
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int j, k;
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md3_mesh = (md3_mesh_t*)((byte*)buffer + meshofs);
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fst = (const float*)((byte*)buffer + meshofs + LittleLong(md3_mesh->ofs_st));
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/* load shaders */
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for (j = 0; j < LittleLong(md3_mesh->num_shaders); j++)
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@ -1139,7 +1180,7 @@ Mod_LoadModel_MD3(const char *mod_name, const void *buffer, int modfilelen,
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}
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/* load triangles */
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const int *p = (const int*)((byte*)buffer + meshofs + LittleLong(md3_mesh->ofs_tris));
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p = (const int*)((byte*)buffer + meshofs + LittleLong(md3_mesh->ofs_tris));
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mesh_nodes[i].start = pglcmds - baseglcmds;
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@ -1153,53 +1194,17 @@ Mod_LoadModel_MD3(const char *mod_name, const void *buffer, int modfilelen,
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tris[num_tris + j / 3].index_st[j % 3] = vert_id;
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}
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if (1)
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{
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for (j = 0; j < LittleLong(md3_mesh->num_tris) * 3; j++)
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{
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int vert_id;
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vec2_t cmdst;
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/* write glcmds */
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mesh_nodes[i].num = md2_build_glcmds(
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(dstvert_t*)((byte *)pheader + pheader->ofs_st),
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(dtriangle_t*)((byte *)pheader + pheader->ofs_tris) + num_tris,
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LittleLong(md3_mesh->num_tris),
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pglcmds,
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pheader->skinwidth, pheader->skinheight);
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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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pglcmds += mesh_nodes[i].num;
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/* st */
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cmdst[0] = LittleFloat(fst[LittleLong(p[j]) * 2 + 0]);
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cmdst[1] = LittleFloat(fst[LittleLong(p[j]) * 2 + 1]);
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memcpy(pglcmds, &cmdst, sizeof(cmdst));
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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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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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}
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else
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{
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/* write glcmds */
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mesh_nodes[i].num = md2_build_glcmds(
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(dstvert_t*)((byte *)pheader + pheader->ofs_st),
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(dtriangle_t*)((byte *)pheader + pheader->ofs_tris),
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num_tris + LittleLong(md3_mesh->num_tris),
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baseglcmds + mesh_nodes[i].start,
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pheader->skinwidth, pheader->skinheight);
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pglcmds = baseglcmds + mesh_nodes[i].start + mesh_nodes[i].num;
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}
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md3_vertex_t *md3_vertex = (md3_vertex_t*)((byte*)buffer + meshofs + LittleLong(md3_mesh->ofs_verts));
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int k;
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md3_vertex = (md3_vertex_t*)((byte*)buffer + meshofs + LittleLong(md3_mesh->ofs_verts));
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for (k = 0; k < pinmodel.num_frames; k ++)
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{
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