Convert md2 and mapmodelinfo to ObjC

FossilOrigin-Name: cfbd2ec1e63de153d5113d4f69ba8556107d9b1891e907b06745407573a45287
This commit is contained in:
Jonathan Schleifer 2025-03-04 00:51:34 +00:00
parent 6f64252d65
commit a94e06cb3b
5 changed files with 210 additions and 138 deletions

View file

@ -105,10 +105,17 @@ struct header // map file format header
struct block {
int x, y, xs, ys;
};
struct mapmodelinfo {
int rad, h, zoff, snap;
const char *name;
};
@interface MapModelInfo : OFObject
@property (nonatomic) int rad, h, zoff, snap;
@property (copy, nonatomic) OFString *name;
- (instancetype)initWithRad:(int)rad
h:(int)h
zoff:(int)zoff
snap:(int)snap
name:(OFString *)name;
@end
enum {
GUN_FIST = 0,

View file

@ -36,17 +36,17 @@ renderentities()
{
entity &e = ents[i];
if (e.type == MAPMODEL) {
mapmodelinfo *mmi = getmminfo(e.attr2);
if (!mmi)
MapModelInfo *mmi = getmminfo(e.attr2);
if (mmi == nil)
continue;
@autoreleasepool {
rendermodel(@(mmi->name), 0, 1, e.attr4,
(float)mmi->rad, e.x,
(float)S(e.x, e.y)->floor + mmi->zoff +
rendermodel(mmi.name, 0, 1, e.attr4,
(float)mmi.rad, e.x,
(float)S(e.x, e.y)->floor + mmi.zoff +
e.attr3,
e.y,
(float)((e.attr1 + 7) - (e.attr1 + 7) % 15),
0, false, 1.0f, 10.0f, mmi->snap);
0, false, 1.0f, 10.0f, mmi.snap);
}
} else {
if (OUTBORD(e.x, e.y))

View file

@ -59,21 +59,21 @@ mmcollide(dynent *d, float &hi, float &lo) // collide with a mapmodel
entity &e = ents[i];
if (e.type != MAPMODEL)
continue;
mapmodelinfo *mmi = getmminfo(e.attr2);
if (!mmi || !mmi->h)
MapModelInfo *mmi = getmminfo(e.attr2);
if (mmi == nil || !mmi.h)
continue;
const float r = mmi->rad + d->radius;
const float r = mmi.rad + d->radius;
if (fabs(e.x - d->o.x) < r && fabs(e.y - d->o.y) < r) {
float mmz =
(float)(S(e.x, e.y)->floor + mmi->zoff + e.attr3);
(float)(S(e.x, e.y)->floor + mmi.zoff + e.attr3);
if (d->o.z - d->eyeheight < mmz) {
if (mmz < hi)
hi = mmz;
} else if (mmz + mmi->h > lo)
lo = mmz + mmi->h;
};
};
};
} else if (mmz + mmi.h > lo)
lo = mmz + mmi.h;
}
}
}
// all collision happens here
// spawn is a dirty side effect used in spawning

View file

@ -212,7 +212,7 @@ extern void cleansound();
extern void rendermodel(OFString *mdl, int frame, int range, int tex, float rad,
float x, float y, float z, float yaw, float pitch, bool teammate,
float scale, float speed, int snap = 0, int basetime = 0);
extern mapmodelinfo *getmminfo(int i);
extern MapModelInfo *getmminfo(int i);
// server
extern void initserver(bool dedicated, int uprate, const char *sdesc,

View file

@ -24,44 +24,62 @@ struct md2_frame {
md2_vertex vertices[1];
};
struct md2 {
int numGlCommands;
int *glCommands;
int numTriangles;
int frameSize;
int numFrames;
int numVerts;
char *frames;
OFVector3D **mverts;
int displaylist;
int displaylistverts;
@interface MD2 : OFObject {
int _numGlCommands;
int *_glCommands;
int _numTriangles;
int _frameSize;
int _numFrames;
int _numVerts;
char *_frames;
OFVector3D **_mverts;
int _displaylist;
int _displaylistverts;
}
mapmodelinfo mmi;
char *loadname;
int mdlnum;
bool loaded;
@property (nonatomic) MapModelInfo *mmi;
@property (copy, nonatomic) OFString *loadname;
@property (nonatomic) int mdlnum;
@property (nonatomic) bool loaded;
bool load(char *filename);
void render(OFVector3D &light, int numFrame, int range, float x,
float y, float z, float yaw, float pitch, float scale, float speed,
int snap, int basetime);
void scale(int frame, float scale, int sn);
- (bool)loadWithPath:(char *)filename;
- (void)renderWithLight:(OFVector3D &)light
frame:(int)frame
range:(int)range
x:(float)x
y:(float)y
z:(float)z
yaw:(float)yaw
pitch:(float)pitch
scale:(float)scale
speed:(float)speed
snap:(int)snap
basetime:(int)basetime;
- (void)scaleWithFrame:(int)frame scale:(float)scale snap:(int)snap;
@end
md2()
: numGlCommands(0), frameSize(0), numFrames(0), displaylist(0),
loaded(false) {};
static OFMutableDictionary<OFString *, MD2 *> *mdllookup = nil;
static OFMutableArray<MD2 *> *mapmodels = nil;
~md2()
{
if (glCommands)
delete[] glCommands;
if (frames)
delete[] frames;
}
};
@implementation MD2
+ (void)initialize
{
if (self != [MD2 class])
return;
bool
md2::load(char *filename)
mdllookup = [[OFMutableDictionary alloc] init];
mapmodels = [[OFMutableArray alloc] init];
}
- (void)dealloc
{
if (_glCommands)
delete[] _glCommands;
if (_frames)
delete[] _frames;
}
- (bool)loadWithPath:(char *)filename
{
FILE *file;
md2_header header;
@ -75,68 +93,77 @@ md2::load(char *filename)
if (header.magic != 844121161 || header.version != 8)
return false;
frames = new char[header.frameSize * header.numFrames];
if (frames == NULL)
_frames = new char[header.frameSize * header.numFrames];
if (_frames == NULL)
return false;
fseek(file, header.offsetFrames, SEEK_SET);
fread(frames, header.frameSize * header.numFrames, 1, file);
fread(_frames, header.frameSize * header.numFrames, 1, file);
for (int i = 0; i < header.numFrames; ++i) {
endianswap(frames + i * header.frameSize, sizeof(float), 6);
}
for (int i = 0; i < header.numFrames; ++i)
endianswap(_frames + i * header.frameSize, sizeof(float), 6);
glCommands = new int[header.numGlCommands];
if (glCommands == NULL)
_glCommands = new int[header.numGlCommands];
if (_glCommands == NULL)
return false;
fseek(file, header.offsetGlCommands, SEEK_SET);
fread(glCommands, header.numGlCommands * sizeof(int), 1, file);
fread(_glCommands, header.numGlCommands * sizeof(int), 1, file);
endianswap(glCommands, sizeof(int), header.numGlCommands);
endianswap(_glCommands, sizeof(int), header.numGlCommands);
numFrames = header.numFrames;
numGlCommands = header.numGlCommands;
frameSize = header.frameSize;
numTriangles = header.numTriangles;
numVerts = header.numVertices;
_numFrames = header.numFrames;
_numGlCommands = header.numGlCommands;
_frameSize = header.frameSize;
_numTriangles = header.numTriangles;
_numVerts = header.numVertices;
fclose(file);
mverts = new OFVector3D *[numFrames];
loopj(numFrames) mverts[j] = NULL;
_mverts = new OFVector3D *[_numFrames];
loopj(_numFrames) _mverts[j] = NULL;
return true;
};
}
float
snap(int sn, float f)
{
return sn ? (float)(((int)(f + sn * 0.5f)) & (~(sn - 1))) : f;
};
}
void
md2::scale(int frame, float scale, int sn)
- (void)scaleWithFrame:(int)frame scale:(float)scale snap:(int)sn
{
mverts[frame] = new OFVector3D[numVerts];
md2_frame *cf = (md2_frame *)((char *)frames + frameSize * frame);
_mverts[frame] = new OFVector3D[_numVerts];
md2_frame *cf = (md2_frame *)((char *)_frames + _frameSize * frame);
float sc = 16.0f / scale;
loop(vi, numVerts)
loop(vi, _numVerts)
{
uchar *cv = (uchar *)&cf->vertices[vi].vertex;
OFVector3D *v = &(mverts[frame])[vi];
OFVector3D *v = &(_mverts[frame])[vi];
v->x = (snap(sn, cv[0] * cf->scale[0]) + cf->translate[0]) / sc;
v->y =
-(snap(sn, cv[1] * cf->scale[1]) + cf->translate[1]) / sc;
v->z = (snap(sn, cv[2] * cf->scale[2]) + cf->translate[2]) / sc;
};
};
}
}
void
md2::render(OFVector3D &light, int frame, int range, float x, float y, float z,
float yaw, float pitch, float sc, float speed, int snap, int basetime)
- (void)renderWithLight:(OFVector3D &)light
frame:(int)frame
range:(int)range
x:(float)x
y:(float)y
z:(float)z
yaw:(float)yaw
pitch:(float)pitch
scale:(float)sc
speed:(float)speed
snap:(int)sn
basetime:(int)basetime
{
loopi(range) if (!mverts[frame + i]) scale(frame + i, sc, snap);
loopi(range) if (!_mverts[frame + i])[self scaleWithFrame:frame + i
scale:sc
snap:sn];
glPushMatrix();
glTranslatef(x, y, z);
@ -145,15 +172,15 @@ md2::render(OFVector3D &light, int frame, int range, float x, float y, float z,
glColor3fv((float *)&light);
if (displaylist && frame == 0 && range == 1) {
glCallList(displaylist);
xtraverts += displaylistverts;
if (_displaylist && frame == 0 && range == 1) {
glCallList(_displaylist);
xtraverts += _displaylistverts;
} else {
if (frame == 0 && range == 1) {
static int displaylistn = 10;
glNewList(displaylist = displaylistn++, GL_COMPILE);
displaylistverts = xtraverts;
};
glNewList(_displaylist = displaylistn++, GL_COMPILE);
_displaylistverts = xtraverts;
}
int time = lastmillis - basetime;
int fr1 = (int)(time / speed);
@ -163,17 +190,17 @@ md2::render(OFVector3D &light, int frame, int range, float x, float y, float z,
int fr2 = fr1 + 1;
if (fr2 >= frame + range)
fr2 = frame;
OFVector3D *verts1 = mverts[fr1];
OFVector3D *verts2 = mverts[fr2];
OFVector3D *verts1 = _mverts[fr1];
OFVector3D *verts2 = _mverts[fr2];
for (int *command = glCommands; (*command) != 0;) {
for (int *command = _glCommands; (*command) != 0;) {
int numVertex = *command++;
if (numVertex > 0) {
glBegin(GL_TRIANGLE_STRIP);
} else {
glBegin(GL_TRIANGLE_FAN);
numVertex = -numVertex;
};
}
loopi(numVertex)
{
@ -185,57 +212,61 @@ md2::render(OFVector3D &light, int frame, int range, float x, float y, float z,
OFVector3D &v2 = verts2[vn];
#define ip(c) v1.c *frac2 + v2.c *frac1
glVertex3f(ip(x), ip(z), ip(y));
};
}
xtraverts += numVertex;
glEnd();
};
}
if (displaylist) {
if (_displaylist) {
glEndList();
displaylistverts = xtraverts - displaylistverts;
};
};
_displaylistverts = xtraverts - _displaylistverts;
}
}
glPopMatrix();
}
hashtable<md2 *> *mdllookup = NULL;
vector<md2 *> mapmodels;
const int FIRSTMDL = 20;
void
delayedload(md2 *m)
delayedload(MD2 *m)
{
if (!m->loaded) {
sprintf_sd(name1)("packages/models/%s/tris.md2", m->loadname);
if (!m->load(path(name1)))
fatal("loadmodel: ", name1);
sprintf_sd(name2)("packages/models/%s/skin.jpg", m->loadname);
int xs, ys;
installtex(FIRSTMDL + m->mdlnum, path(name2), xs, ys);
m->loaded = true;
if (!m.loaded) {
@autoreleasepool {
sprintf_sd(name1)("packages/models/%s/tris.md2",
m.loadname.UTF8String);
if (![m loadWithPath:path(name1)])
fatal("loadmodel: ", name1);
sprintf_sd(name2)("packages/models/%s/skin.jpg",
m.loadname.UTF8String);
int xs, ys;
installtex(FIRSTMDL + m.mdlnum, path(name2), xs, ys);
m.loaded = true;
}
}
}
int modelnum = 0;
md2 *
MD2 *
loadmodel(OFString *name)
{
@autoreleasepool {
if (!mdllookup)
mdllookup = new hashtable<md2 *>;
md2 **mm = mdllookup->access(name.UTF8String);
if (mm)
return *mm;
md2 *m = new md2();
m->mdlnum = modelnum++;
mapmodelinfo mmi = {2, 2, 0, 0, ""};
m->mmi = mmi;
m->loadname = newstring(name.UTF8String);
mdllookup->access(m->loadname, &m);
MD2 *m = mdllookup[name];
if (m != nil)
return m;
m = [[MD2 alloc] init];
m.mdlnum = modelnum++;
MapModelInfo *mmi = [[MapModelInfo alloc] initWithRad:2
h:2
zoff:0
snap:0
name:@""];
m.mmi = mmi;
m.loadname = name;
mdllookup[name] = m;
return m;
}
}
@ -244,25 +275,29 @@ void
mapmodel(
OFString *rad, OFString *h, OFString *zoff, OFString *snap, OFString *name)
{
md2 *m = loadmodel(name);
mapmodelinfo mmi = {(int)rad.longLongValue, (int)h.longLongValue,
(int)zoff.longLongValue, (int)snap.longLongValue, m->loadname};
m->mmi = mmi;
mapmodels.add(m);
MD2 *m = loadmodel(name);
MapModelInfo *mmi =
[[MapModelInfo alloc] initWithRad:(int)rad.longLongValue
h:(int)h.longLongValue
zoff:(int)zoff.longLongValue
snap:(int)snap.longLongValue
name:m.loadname];
m.mmi = mmi;
[mapmodels addObject:m];
}
COMMAND(mapmodel, ARG_5STR)
void
mapmodelreset()
{
mapmodels.setsize(0);
[mapmodels removeAllObjects];
}
COMMAND(mapmodelreset, ARG_NONE)
mapmodelinfo *
MapModelInfo *
getmminfo(int i)
{
return i < mapmodels.length() ? &mapmodels[i]->mmi : NULL;
return i < mapmodels.count ? mapmodels[i].mmi : nil;
}
void
@ -270,7 +305,7 @@ rendermodel(OFString *mdl, int frame, int range, int tex, float rad, float x,
float y, float z, float yaw, float pitch, bool teammate, float scale,
float speed, int snap, int basetime)
{
md2 *m = loadmodel(mdl);
MD2 *m = loadmodel(mdl);
if (isoccluded(player1->o.x, player1->o.y, x - rad, z - rad, rad * 2))
return;
@ -279,7 +314,7 @@ rendermodel(OFString *mdl, int frame, int range, int tex, float rad, float x,
int xs, ys;
glBindTexture(GL_TEXTURE_2D,
tex ? lookuptexture(tex, xs, ys) : FIRSTMDL + m->mdlnum);
tex ? lookuptexture(tex, xs, ys) : FIRSTMDL + m.mdlnum);
int ix = (int)x;
int iy = (int)z;
@ -292,14 +327,44 @@ rendermodel(OFString *mdl, int frame, int range, int tex, float rad, float x,
light.x = s->r / ll + of;
light.y = s->g / ll + of;
light.z = s->b / ll + of;
};
}
if (teammate) {
light.x *= 0.6f;
light.y *= 0.7f;
light.z *= 1.2f;
};
}
m->render(light, frame, range, x, y, z, yaw, pitch, scale, speed, snap,
basetime);
};
[m renderWithLight:light
frame:frame
range:range
x:x
y:y
z:z
yaw:yaw
pitch:pitch
scale:scale
speed:speed
snap:snap
basetime:basetime];
}
@end
@implementation MapModelInfo
- (instancetype)initWithRad:(int)rad
h:(int)h
zoff:(int)zoff
snap:(int)snap
name:(OFString *)name
{
self = [super init];
_rad = rad;
_h = h;
_zoff = zoff;
_snap = snap;
_name = [name copy];
return self;
}
@end