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Revert "make brush::faces a vector" 

This reverts commit 30c7ef94ac.

This was causing issues with bevel brushes in Q2 mode. Not sure why yet. Will attempt this again soonish.
This commit is contained in:
Jonathan 2022-01-24 14:26:28 -05:00
parent be865bc5b8
commit 11d2d51165
6 changed files with 104 additions and 77 deletions
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2
include/qbsp/brush.hh
View File

@ -27,7 +27,7 @@
struct brush_t
{
aabb3d bounds;
std::vector<face_t> faces;
face_t *faces;
contentflags_t contents; /* BSP contents */
short lmshift; /* lightmap scaling (qu/lightmap pixel), passed to the light util */
};

89
qbsp/brush.cc
View File

@ -298,13 +298,14 @@ static bool DiscardHintSkipFace_Q2(const mtexinfo_t &texinfo)
CreateBrushFaces
=================
*/
static std::vector<face_t> CreateBrushFaces(const mapentity_t *src, hullbrush_t *hullbrush, const int hullnum,
static face_t *CreateBrushFaces(const mapentity_t *src, hullbrush_t *hullbrush, const int hullnum,
const rotation_t rottype = rotation_t::none, const qvec3d &rotate_offset = {})
{
vec_t r;
face_t *f;
std::optional<winding_t> w;
qbsp_plane_t plane;
std::list<face_t> facelist;
face_t *facelist = NULL;
qvec3d point;
vec_t max, min;
@ -342,31 +343,31 @@ static std::vector<face_t> CreateBrushFaces(const mapentity_t *src, hullbrush_t
if (!w)
continue; // overconstrained plane
// this face is a keeper
f = new face_t{};
f->planenum = PLANENUM_LEAF;
if (w->size() > MAXEDGES)
FError("face->numpoints > MAXEDGES ({}), source face on line {}", MAXEDGES, mapface.linenum);
// this face is a keeper
face_t &f = facelist.emplace_front();
f.planenum = PLANENUM_LEAF;
f.w.resize(w->size());
f->w.resize(w->size());
for (size_t j = 0; j < w->size(); j++) {
for (size_t k = 0; k < 3; k++) {
point[k] = w->at(j)[k] - rotate_offset[k];
r = Q_rint(point[k]);
if (fabs(point[k] - r) < ZERO_EPSILON)
f.w[j][k] = r;
f->w[j][k] = r;
else
f.w[j][k] = point[k];
f->w[j][k] = point[k];
if (f.w[j][k] < min)
min = f.w[j][k];
if (f.w[j][k] > max)
max = f.w[j][k];
if (f->w[j][k] < min)
min = f->w[j][k];
if (f->w[j][k] > max)
max = f->w[j][k];
}
hullbrush->bounds += f.w[j];
hullbrush->bounds += f->w[j];
}
// account for texture offset, from txqbsp-xt
@ -385,12 +386,14 @@ static std::vector<face_t> CreateBrushFaces(const mapentity_t *src, hullbrush_t
point -= rotate_offset;
plane.dist = qv::dot(plane.normal, point);
f.texinfo = hullnum > 0 ? 0 : mapface.texinfo;
f.planenum = FindPlane(plane, &f.planeside);
f.src_entity = const_cast<mapentity_t *>(src); // FIXME: get rid of consts on src in the callers?
f->texinfo = hullnum > 0 ? 0 : mapface.texinfo;
f->planenum = FindPlane(plane, &f->planeside);
f->src_entity = const_cast<mapentity_t *>(src); // FIXME: get rid of consts on src in the callers?
CheckFace(&f, mapface);
UpdateFaceSphere(&f);
f->next = facelist;
facelist = f;
CheckFace(f, mapface);
UpdateFaceSphere(f);
}
// Rotatable objects must have a bounding box big enough to
@ -415,7 +418,7 @@ static std::vector<face_t> CreateBrushFaces(const mapentity_t *src, hullbrush_t
hullbrush->bounds = {-delta, delta};
}
return { std::make_move_iterator(facelist.begin()), std::make_move_iterator(facelist.end()) };
return facelist;
}
/*
@ -443,6 +446,17 @@ void FreeBrushes(mapentity_t *ent)
ent->brushes.clear();
}
/*
=====================
FreeBrush
=====================
*/
void FreeBrush(brush_t *brush)
{
FreeBrushFaces(brush->faces);
delete brush;
}
/*
==============================================================================
@ -621,9 +635,10 @@ static void AddHullEdge(hullbrush_t *hullbrush, const qvec3d &p1, const qvec3d &
ExpandBrush
=============
*/
static void ExpandBrush(hullbrush_t *hullbrush, const aabb3d &hull_size, std::vector<face_t> &facelist)
static void ExpandBrush(hullbrush_t *hullbrush, const aabb3d &hull_size, const face_t *facelist)
{
int x, s;
const face_t *f;
qbsp_plane_t plane;
int cBevEdge = 0;
@ -632,9 +647,9 @@ static void ExpandBrush(hullbrush_t *hullbrush, const aabb3d &hull_size, std::ve
hullbrush->edges.clear();
// create all the hull points
for (auto &f : facelist)
for (size_t i = 0; i < f.w.size(); i++) {
AddHullPoint(hullbrush, f.w[i], hull_size);
for (f = facelist; f; f = f->next)
for (size_t i = 0; i < f->w.size(); i++) {
AddHullPoint(hullbrush, f->w[i], hull_size);
cBevEdge++;
}
@ -666,9 +681,9 @@ static void ExpandBrush(hullbrush_t *hullbrush, const aabb3d &hull_size, std::ve
}
// add all of the edge bevels
for (auto &f : facelist)
for (size_t i = 0; i < f.w.size(); i++)
AddHullEdge(hullbrush, f.w[i], f.w[(i + 1) % f.w.size()], hull_size);
for (f = facelist; f; f = f->next)
for (size_t i = 0; i < f->w.size(); i++)
AddHullEdge(hullbrush, f->w[i], f->w[(i + 1) % f->w.size()], hull_size);
}
//============================================================================
@ -720,7 +735,7 @@ std::optional<brush_t> LoadBrush(const mapentity_t *src, const mapbrush_t *mapbr
const qvec3d &rotate_offset, const rotation_t rottype, const int hullnum)
{
hullbrush_t hullbrush;
std::vector<face_t> facelist;
face_t *facelist;
// create the faces
@ -743,7 +758,7 @@ std::optional<brush_t> LoadBrush(const mapentity_t *src, const mapbrush_t *mapbr
facelist = CreateBrushFaces(src, &hullbrush, hullnum);
}
if (facelist.empty()) {
if (!facelist) {
LogPrint("WARNING: Couldn't create brush faces\n");
LogPrint("^ brush at line {} of .map file\n", hullbrush.linenum);
return std::nullopt;
@ -753,6 +768,7 @@ std::optional<brush_t> LoadBrush(const mapentity_t *src, const mapbrush_t *mapbr
auto &hulls = options.target_game->get_hull_sizes();
Q_assert(hullnum < hulls.size());
ExpandBrush(&hullbrush, *(hulls.begin() + hullnum), facelist);
FreeBrushFaces(facelist);
facelist = CreateBrushFaces(src, &hullbrush, hullnum, rottype, rotate_offset);
}
@ -785,8 +801,6 @@ static brush_stats_t Entity_SortBrushes(mapentity_t *dst, brush_types_t &types)
stats.sky = types.sky.size();
stats.solid = types.solid.size();
dst->brushes.reserve(stats.detail_illusionary + stats.liquid + stats.detail_fence + stats.detail + stats.sky + stats.solid);
dst->brushes.insert(dst->brushes.end(), make_move_iterator(types.detail_illusionary.begin()), make_move_iterator(types.detail_illusionary.end()));
dst->brushes.insert(dst->brushes.end(), make_move_iterator(types.liquid.begin()), make_move_iterator(types.liquid.end()));
dst->brushes.insert(dst->brushes.end(), make_move_iterator(types.detail_fence.begin()), make_move_iterator(types.detail_fence.end()));
@ -797,6 +811,19 @@ static brush_stats_t Entity_SortBrushes(mapentity_t *dst, brush_types_t &types)
return stats;
}
static int FaceListCount(const face_t *facelist)
{
if (facelist)
return 1 + FaceListCount(facelist->next);
else
return 0;
}
int Brush_NumFaces(const brush_t *brush)
{
return FaceListCount(brush->faces);
}
static void Brush_LoadEntity(mapentity_t *dst, const mapentity_t *src, const int hullnum, brush_types_t &types)
{
const char *classname;

17
qbsp/csg4.cc
View File

@ -206,9 +206,9 @@ static void RemoveOutsideFaces(const brush_t &brush, face_t **inside, face_t **o
while (face) {
next = face->next;
std::optional<winding_t> w = face->w;
for (auto &clipface : brush.faces) {
qbsp_plane_t clipplane = map.planes[clipface.planenum];
if (!clipface.planeside) {
for (const face_t *clipface = brush.faces; clipface; clipface = clipface->next) {
qbsp_plane_t clipplane = map.planes[clipface->planenum];
if (!clipface->planeside) {
clipplane = -clipplane;
}
w = w->clip(clipplane, ON_EPSILON, true)[SIDE_FRONT];
@ -491,12 +491,12 @@ CopyBrushFaces
*/
static face_t *CopyBrushFaces(const brush_t &brush)
{
face_t *facelist, *newface;
face_t *facelist, *face, *newface;
facelist = NULL;
for (auto &face : brush.faces) {
for (face = brush.faces; face; face = face->next) {
brushfaces++;
newface = new face_t(face);
newface = new face_t(*face);
newface->contents = { options.target_game->create_empty_contents(), brush.contents };
newface->lmshift = { brush.lmshift, brush.lmshift };
newface->next = facelist;
@ -595,8 +595,9 @@ std::list<surface_t> CSGFaces(const mapentity_t *entity)
outside = NULL;
RemoveOutsideFaces(clipbrush, &inside, &outside);
for (auto &clipface : clipbrush.faces)
ClipInside(&clipface, overwrite, &inside, &outside);
const face_t *clipface = clipbrush.faces;
for (; clipface; clipface = clipface->next)
ClipInside(clipface, overwrite, &inside, &outside);
// inside = parts of `brush` that are inside `clipbrush`
// outside = parts of `brush` that are outside `clipbrush`

4
qbsp/exportobj.cc
View File

@ -122,8 +122,8 @@ void ExportObj_Brushes(const std::string &filesuffix, const std::vector<const br
std::vector<const face_t *> faces;
for (const brush_t *brush : brushes)
for (auto &face : brush->faces)
faces.push_back(&face);
for (const face_t *face = brush->faces; face; face = face->next)
faces.push_back(face);
ExportObj_Faces(filesuffix, faces);
}

6
qbsp/map.cc
View File

@ -2182,11 +2182,11 @@ void WriteBspBrushMap(const std::filesystem::path &name, const std::vector<brush
for (auto &brush : list) {
fmt::print(f, "{{\n");
for (auto &face : brush.faces) {
for (const face_t *face = brush.faces; face; face = face->next) {
// FIXME: Factor out this mess
qbsp_plane_t plane = map.planes.at(face.planenum);
qbsp_plane_t plane = map.planes.at(face->planenum);
if (face.planeside) {
if (face->planeside) {
plane = -plane;
}

61
qbsp/qbsp.cc
View File

@ -97,20 +97,20 @@ Adds any additional planes necessary to allow the brush to be expanded
against axial bounding boxes
=================
*/
static std::vector<std::tuple<size_t, const face_t *>> AddBrushBevels(const brush_t &b)
static std::vector<std::tuple<size_t, face_t *>> AddBrushBevels(const brush_t *b)
{
// add already-present planes
std::vector<std::tuple<size_t, const face_t *>> planes;
std::vector<std::tuple<size_t, face_t *>> planes;
for (auto &f : b.faces) {
int32_t planenum = f.planenum;
for (face_t *f = b->faces; f; f = f->next) {
int32_t planenum = f->planenum;
if (f.planeside) {
planenum = FindPlane(-map.planes[f.planenum], nullptr);
if (f->planeside) {
planenum = FindPlane(-map.planes[f->planenum], nullptr);
}
int32_t outputplanenum = ExportMapPlane(planenum);
planes.emplace_back(outputplanenum, &f);
planes.emplace_back(outputplanenum, f);
}
//
@ -131,13 +131,13 @@ static std::vector<std::tuple<size_t, const face_t *>> AddBrushBevels(const brus
qplane3d new_plane { };
new_plane.normal[axis] = dir;
if (dir == 1)
new_plane.dist = b.bounds.maxs()[axis];
new_plane.dist = b->bounds.maxs()[axis];
else
new_plane.dist = -b.bounds.mins()[axis];
new_plane.dist = -b->bounds.mins()[axis];
int32_t planenum = FindPlane(new_plane, nullptr);
int32_t outputplanenum = ExportMapPlane(planenum);
planes.emplace_back(outputplanenum, &b.faces.front());
planes.emplace_back(outputplanenum, b->faces);
}
// if the plane is not in it canonical order, swap it
@ -185,20 +185,19 @@ static std::vector<std::tuple<size_t, const face_t *>> AddBrushBevels(const brus
continue;
current.dist = qv::dot(w[j], current.normal);
auto it = b.faces.begin();
face_t *f;
// if all the points on all the sides are
// behind this plane, it is a proper edge bevel
for (; it != b.faces.end(); it++) {
auto &f = *it;
auto &plane = map.planes[f.planenum];
qplane3d temp = f.planeside ? -plane : plane;
for (f = b->faces; f; f = f->next) {
auto &plane = map.planes[f->planenum];
qplane3d temp = f->planeside ? -plane : plane;
// if this plane has allready been used, skip it
if (qv::epsilonEqual(current, temp))
break;
auto &w2 = f.w;
auto &w2 = f->w;
if (!w2.size())
continue;
size_t l;
@ -211,13 +210,13 @@ static std::vector<std::tuple<size_t, const face_t *>> AddBrushBevels(const brus
break;
}
if (it == b.faces.end())
if (f)
continue; // wasn't part of the outer hull
// add this plane
int32_t planenum = FindPlane(current, nullptr);
int32_t outputplanenum = ExportMapPlane(planenum);
planes.emplace_back(outputplanenum, &b.faces.front());
planes.emplace_back(outputplanenum, b->faces);
}
}
}
@ -236,7 +235,7 @@ static void ExportBrushList(const mapentity_t *entity, node_t *node, uint32_t &b
dbrush_t &brush = map.bsp.dbrushes.emplace_back(
dbrush_t{static_cast<int32_t>(map.bsp.dbrushsides.size()), 0, b.contents.native});
auto bevels = AddBrushBevels(b);
auto bevels = AddBrushBevels(&b);
for (auto &plane : bevels) {
map.bsp.dbrushsides.push_back(
@ -753,10 +752,10 @@ static void BSPX_Brushes_AddModel(struct bspxbrushes_s *ctx, int modelnum, std::
for (auto &b : brushes) {
permodel.numbrushes++;
for (auto &f : b.faces) {
for (face_t *f = b.faces; f; f = f->next) {
/*skip axial*/
if (fabs(map.planes[f.planenum].normal[0]) == 1 || fabs(map.planes[f.planenum].normal[1]) == 1 ||
fabs(map.planes[f.planenum].normal[2]) == 1)
if (fabs(map.planes[f->planenum].normal[0]) == 1 || fabs(map.planes[f->planenum].normal[1]) == 1 ||
fabs(map.planes[f->planenum].normal[2]) == 1)
continue;
permodel.numfaces++;
}
@ -774,10 +773,10 @@ static void BSPX_Brushes_AddModel(struct bspxbrushes_s *ctx, int modelnum, std::
for (auto &b : brushes) {
bspxbrushes_perbrush perbrush {};
for (auto &f : b.faces) {
for (face_t *f = b.faces; f; f = f->next) {
/*skip axial*/
if (fabs(map.planes[f.planenum].normal[0]) == 1 || fabs(map.planes[f.planenum].normal[1]) == 1 ||
fabs(map.planes[f.planenum].normal[2]) == 1)
if (fabs(map.planes[f->planenum].normal[0]) == 1 || fabs(map.planes[f->planenum].normal[1]) == 1 ||
fabs(map.planes[f->planenum].normal[2]) == 1)
continue;
perbrush.numfaces++;
}
@ -815,18 +814,18 @@ static void BSPX_Brushes_AddModel(struct bspxbrushes_s *ctx, int modelnum, std::
str <= perbrush;
for (auto &f : b.faces) {
for (face_t *f = b.faces; f; f = f->next) {
/*skip axial*/
if (fabs(map.planes[f.planenum].normal[0]) == 1 || fabs(map.planes[f.planenum].normal[1]) == 1 ||
fabs(map.planes[f.planenum].normal[2]) == 1)
if (fabs(map.planes[f->planenum].normal[0]) == 1 || fabs(map.planes[f->planenum].normal[1]) == 1 ||
fabs(map.planes[f->planenum].normal[2]) == 1)
continue;
bspxbrushes_perface perface;
if (f.planeside) {
perface = -map.planes[f.planenum];
if (f->planeside) {
perface = -map.planes[f->planenum];
} else {
perface = map.planes[f.planenum];
perface = map.planes[f->planenum];
}
str <= std::tie(perface.normal, perface.dist);