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vis: various fixes for vising q2 maps

This commit is contained in:
Eric Wasylishen 2021-09-18 00:04:33 -06:00
parent ca0fbba4bf
commit 195921a916
1 changed files with 45 additions and 22 deletions
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67
vis/vis.cc
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@ -16,8 +16,8 @@
*/
int numportals;
int portalleafs; /* leafs (PRT1) or clusters (PRT2) */
int portalleafs_real; /* real no. of leafs after expanding PRT2 clusters */
int *clustermap; /* mapping from real leaf to cluster number */
int portalleafs_real; /* real no. of leafs after expanding PRT2 clusters. Not used for Q2. */
int *clustermap; /* mapping from real leaf to cluster number. Not used for Q2. */
portal_t *portals;
leaf_t *leafs;
@ -39,7 +39,7 @@ uint8_t *uncompressed_q2; // [leafbytes*portalleafs]
int leafbytes; // (portalleafs+63)>>3
int leaflongs;
int leafbytes_real; // (portalleafs_real+63)>>3
int leafbytes_real; // (portalleafs_real+63)>>3, not used for Q2.
/* Options - TODO: collect these in a struct */
qboolean fastvis;
@ -658,9 +658,14 @@ static void ClusterFlow(int clusternum, leafbits_t *buffer, const mbsp_t *bsp)
* increment totalvis by
* (# of real leafs in this cluster) x (# of real leafs visible from this cluster)
*/
for (i = 0; i < portalleafs_real; i++) {
if (clustermap[i] == clusternum) {
totalvis += numvis;
if (bsp->loadversion->game->id == GAME_QUAKE_II) {
// FIXME: not sure what this is supposed to be?
totalvis += numvis;
} else {
for (i = 0; i < portalleafs_real; i++) {
if (clustermap[i] == clusternum) {
totalvis += numvis;
}
}
}
@ -683,9 +688,9 @@ static void ClusterFlow(int clusternum, leafbits_t *buffer, const mbsp_t *bsp)
leaf->visofs = dest - vismap;
// Set pointers
for (i = 0; i < portalleafs_real; i++) {
if (bsp->dleafs[i + 1].cluster == clusternum) {
bsp->dleafs[i + 1].visofs = leaf->visofs;
for (i = 1; i < bsp->numleafs; i++) {
if (bsp->dleafs[i].cluster == clusternum) {
bsp->dleafs[i].visofs = leaf->visofs;
}
}
@ -752,7 +757,10 @@ void CalcVis(const mbsp_t *bsp)
//
// assemble the leaf vis lists by oring and compressing the portal lists
//
if (portalleafs == portalleafs_real) {
if (portalleafs == portalleafs_real && bsp->loadversion->game->id != GAME_QUAKE_II) {
// Legacy, non-detail Q1 vis codepath
// FIXME: Should be possible to remove this and just use ClusterFlow even on Q1 maps
// with no detail.
for (i = 0; i < portalleafs; i++)
LeafFlow(i, &bsp->dleafs[i + 1], bsp);
} else {
@ -766,9 +774,16 @@ void CalcVis(const mbsp_t *bsp)
}
int64_t avg = totalvis;
avg /= static_cast<int64_t>(portalleafs_real);
logprint("average leafs visible: %i\n", static_cast<int>(avg));
if (bsp->loadversion->game->id == GAME_QUAKE_II) {
avg /= static_cast<int64_t>(portalleafs);
logprint("average clusters visible: %i\n", static_cast<int>(avg));
} else {
avg /= static_cast<int64_t>(portalleafs_real);
logprint("average leafs visible: %i\n", static_cast<int>(avg));
}
}
/*
@ -1026,8 +1041,8 @@ void LoadPortals(char *name, mbsp_t *bsp)
Error("%s: unable to parse %s HEADER\n", __func__, PORTALFILE);
if (bsp->loadversion->game->id == GAME_QUAKE_II) {
portalleafs_real = bsp->numleafs;
logprint("%6d leafs\n", portalleafs_real);
// since q2bsp has native cluster support, we shouldn't look at portalleafs_real at all.
portalleafs_real = 0;
logprint("%6d clusters\n", portalleafs);
logprint("%6d portals\n", numportals);
} else {
@ -1039,6 +1054,9 @@ void LoadPortals(char *name, mbsp_t *bsp)
count = fscanf(f, "%i\n%i\n%i\n", &portalleafs_real, &portalleafs, &numportals);
if (count != 3)
Error("%s: unable to parse %s HEADER\n", __func__, PORTALFILE);
if (bsp->loadversion->game->id == GAME_QUAKE_II) {
Error("%s: %s can not be used with Q2\n", __func__, PORTALFILE2);
}
logprint("%6d leafs\n", portalleafs_real);
logprint("%6d clusters\n", portalleafs);
logprint("%6d portals\n", numportals);
@ -1046,6 +1064,9 @@ void LoadPortals(char *name, mbsp_t *bsp)
count = fscanf(f, "%i\n%i\n%i\n", &portalleafs, &numportals, &portalleafs_real);
if (count != 3)
Error("%s: unable to parse %s HEADER\n", __func__, PORTALFILE);
if (bsp->loadversion->game->id == GAME_QUAKE_II) {
Error("%s: %s can not be used with Q2\n", __func__, PORTALFILEAM);
}
logprint("%6d leafs\n", portalleafs_real);
logprint("%6d clusters\n", portalleafs);
logprint("%6d portals\n", numportals);
@ -1055,7 +1076,12 @@ void LoadPortals(char *name, mbsp_t *bsp)
leafbytes = ((portalleafs + 63) & ~63) >> 3;
leaflongs = leafbytes / sizeof(long);
leafbytes_real = ((portalleafs_real + 63) & ~63) >> 3;
if (bsp->loadversion->game->id == GAME_QUAKE_II) {
// not used in Q2
leafbytes_real = 0;
} else {
leafbytes_real = ((portalleafs_real + 63) & ~63) >> 3;
}
// each file portal is split into two memory portals
portals = new portal_t[numportals * 2] { };
@ -1138,13 +1164,10 @@ void LoadPortals(char *name, mbsp_t *bsp)
}
/* Load the cluster expansion map if needed */
/*if (bsp->loadversion->game->id == GAME_QUAKE_II) {
clustermap = new int[bsp->numleafs];
for (int32_t i = 0; i < bsp->numleafs; i++) {
clustermap[i] = bsp->dleafs[i + 1].cluster;
}
} else */if (portalleafs != portalleafs_real) {
if (bsp->loadversion->game->id == GAME_QUAKE_II) {
// not used
clustermap = nullptr;
} else if (portalleafs != portalleafs_real) {
clustermap = new int[portalleafs_real];
if (!strcmp(magic, PORTALFILE2)) {
for (i = 0; i < portalleafs; i++) {