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struct vertmodel : animmodel
{
struct vert { vec pos, norm; };
struct vvert { vec pos; vec2 tc; };
struct vvertn : vvert { vec norm; };
struct vvertbump : vvert { squat tangent; };
struct tcvert { vec2 tc; };
struct bumpvert { vec4 tangent; };
struct tri { ushort vert[3]; };
struct vbocacheentry
{
GLuint vbuf;
animstate as;
int millis;
vbocacheentry() : vbuf(0) { as.cur.fr1 = as.prev.fr1 = -1; }
};
struct vertmesh : mesh
{
vert *verts;
tcvert *tcverts;
bumpvert *bumpverts;
tri *tris;
int numverts, numtris;
int voffset, eoffset, elen;
ushort minvert, maxvert;
vertmesh() : verts(0), tcverts(0), bumpverts(0), tris(0)
{
}
virtual ~vertmesh()
{
DELETEA(verts);
DELETEA(tcverts);
DELETEA(bumpverts);
DELETEA(tris);
}
void smoothnorms(float limit = 0, bool areaweight = true)
{
if(((vertmeshgroup *)group)->numframes == 1) mesh::smoothnorms(verts, numverts, tris, numtris, limit, areaweight);
else buildnorms(areaweight);
}
void buildnorms(bool areaweight = true)
{
mesh::buildnorms(verts, numverts, tris, numtris, areaweight, ((vertmeshgroup *)group)->numframes);
}
void calctangents(bool areaweight = true)
{
if(bumpverts) return;
bumpverts = new bumpvert[((vertmeshgroup *)group)->numframes*numverts];
mesh::calctangents(bumpverts, verts, tcverts, numverts, tris, numtris, areaweight, ((vertmeshgroup *)group)->numframes);
}
void calcbb(vec &bbmin, vec &bbmax, const matrix4x3 &m)
{
loopj(numverts)
{
vec v = m.transform(verts[j].pos);
loopi(3)
{
bbmin[i] = min(bbmin[i], v[i]);
bbmax[i] = max(bbmax[i], v[i]);
}
}
}
void genBIH(BIH::mesh &m)
{
m.tris = (const BIH::tri *)tris;
m.numtris = numtris;
m.pos = (const uchar *)&verts->pos;
m.posstride = sizeof(vert);
m.tc = (const uchar *)&tcverts->tc;
m.tcstride = sizeof(tcvert);
}
static inline void assignvert(vvertn &vv, int j, tcvert &tc, vert &v)
{
vv.pos = v.pos;
vv.norm = v.norm;
vv.tc = tc.tc;
}
inline void assignvert(vvertbump &vv, int j, tcvert &tc, vert &v)
{
vv.pos = v.pos;
vv.tc = tc.tc;
vv.tangent = bumpverts[j].tangent;
}
template<class T>
int genvbo(vector<ushort> &idxs, int offset, vector<T> &vverts, int *htdata, int htlen)
{
voffset = offset;
eoffset = idxs.length();
minvert = 0xFFFF;
loopi(numtris)
{
tri &t = tris[i];
loopj(3)
{
int index = t.vert[j];
tcvert &tc = tcverts[index];
vert &v = verts[index];
T vv;
assignvert(vv, index, tc, v);
int htidx = hthash(v.pos)&(htlen-1);
loopk(htlen)
{
int &vidx = htdata[(htidx+k)&(htlen-1)];
if(vidx < 0) { vidx = idxs.add(ushort(vverts.length())); vverts.add(vv); break; }
else if(!memcmp(&vverts[vidx], &vv, sizeof(vv))) { minvert = min(minvert, idxs.add(ushort(vidx))); break; }
}
}
}
minvert = min(minvert, ushort(voffset));
maxvert = max(minvert, ushort(vverts.length()-1));
elen = idxs.length()-eoffset;
return vverts.length()-voffset;
}
int genvbo(vector<ushort> &idxs, int offset)
{
voffset = offset;
eoffset = idxs.length();
loopi(numtris)
{
tri &t = tris[i];
loopj(3) idxs.add(voffset+t.vert[j]);
}
minvert = voffset;
maxvert = voffset + numverts-1;
elen = idxs.length()-eoffset;
return numverts;
}
template<class T>
static inline void fillvert(T &vv, int j, tcvert &tc, vert &v)
{
vv.tc = tc.tc;
}
template<class T>
void fillverts(T *vdata)
{
vdata += voffset;
loopi(numverts) fillvert(vdata[i], i, tcverts[i], verts[i]);
}
void interpverts(const animstate &as, bool tangents, void * RESTRICT vdata, skin &s)
{
const vert * RESTRICT vert1 = &verts[as.cur.fr1 * numverts],
* RESTRICT vert2 = &verts[as.cur.fr2 * numverts],
* RESTRICT pvert1 = as.interp<1 ? &verts[as.prev.fr1 * numverts] : NULL,
* RESTRICT pvert2 = as.interp<1 ? &verts[as.prev.fr2 * numverts] : NULL;
#define ipvert(attrib) v.attrib.lerp(vert1[i].attrib, vert2[i].attrib, as.cur.t)
#define ipbvert(attrib, type) v.attrib.lerp(bvert1[i].attrib, bvert2[i].attrib, as.cur.t)
#define ipvertp(attrib) v.attrib.lerp(pvert1[i].attrib, pvert2[i].attrib, as.prev.t).lerp(vec().lerp(vert1[i].attrib, vert2[i].attrib, as.cur.t), as.interp)
#define ipbvertp(attrib, type) v.attrib.lerp(type().lerp(bpvert1[i].attrib, bpvert2[i].attrib, as.prev.t), type().lerp(bvert1[i].attrib, bvert2[i].attrib, as.cur.t), as.interp)
#define iploop(type, body) \
loopi(numverts) \
{ \
type &v = ((type * RESTRICT)vdata)[i]; \
body; \
}
if(tangents)
{
const bumpvert * RESTRICT bvert1 = &bumpverts[as.cur.fr1 * numverts],
* RESTRICT bvert2 = &bumpverts[as.cur.fr2 * numverts],
* RESTRICT bpvert1 = as.interp<1 ? &bumpverts[as.prev.fr1 * numverts] : NULL,
* RESTRICT bpvert2 = as.interp<1 ? &bumpverts[as.prev.fr2 * numverts] : NULL;
if(as.interp<1) iploop(vvertbump, { ipvertp(pos); ipbvertp(tangent, vec4); })
else iploop(vvertbump, { ipvert(pos); ipbvert(tangent, vec4); })
}
else
{
if(as.interp<1) iploop(vvertn, { ipvertp(pos); ipvertp(norm); })
else iploop(vvertn, { ipvert(pos); ipvert(norm); })
}
#undef iploop
#undef ipvert
#undef ipbvert
#undef ipvertp
#undef ipbvertp
}
void render(const animstate *as, skin &s, vbocacheentry &vc)
{
if(!Shader::lastshader) return;
glDrawRangeElements_(GL_TRIANGLES, minvert, maxvert, elen, GL_UNSIGNED_SHORT, &((vertmeshgroup *)group)->edata[eoffset]);
glde++;
xtravertsva += numverts;
}
};
struct tag
{
char *name;
matrix4x3 transform;
tag() : name(NULL) {}
~tag() { DELETEA(name); }
};
struct vertmeshgroup : meshgroup
{
int numframes;
tag *tags;
int numtags;
static const int MAXVBOCACHE = 16;
vbocacheentry vbocache[MAXVBOCACHE];
ushort *edata;
GLuint ebuf;
bool vtangents;
int vlen, vertsize;
uchar *vdata;
vertmeshgroup() : numframes(0), tags(NULL), numtags(0), edata(NULL), ebuf(0), vtangents(false), vlen(0), vertsize(0), vdata(NULL)
{
}
virtual ~vertmeshgroup()
{
DELETEA(tags);
if(ebuf) glDeleteBuffers_(1, &ebuf);
loopi(MAXVBOCACHE)
{
if(vbocache[i].vbuf) glDeleteBuffers_(1, &vbocache[i].vbuf);
}
DELETEA(vdata);
}
int findtag(const char *name)
{
loopi(numtags) if(!strcmp(tags[i].name, name)) return i;
return -1;
}
int totalframes() const { return numframes; }
void concattagtransform(part *p, int i, const matrix4x3 &m, matrix4x3 &n)
{
n.mul(m, tags[numtags + i].transform);
n.posttranslate(m.transformnormal(p->translate), p->model->scale);
}
void calctagmatrix(part *p, int i, const animstate &as, matrix4 &matrix)
{
const matrix4x3 &tag1 = tags[as.cur.fr1*numtags + i].transform,
&tag2 = tags[as.cur.fr2*numtags + i].transform;
matrix4x3 tag;
tag.lerp(tag1, tag2, as.cur.t);
if(as.interp<1)
{
const matrix4x3 &tag1p = tags[as.prev.fr1*numtags + i].transform,
&tag2p = tags[as.prev.fr2*numtags + i].transform;
matrix4x3 tagp;
tagp.lerp(tag1p, tag2p, as.prev.t);
tag.lerp(tagp, tag, as.interp);
}
tag.d.add(p->translate).mul(p->model->scale);
matrix = matrix4(tag);
}
void genvbo(bool tangents, vbocacheentry &vc)
{
if(!vc.vbuf) glGenBuffers_(1, &vc.vbuf);
if(ebuf) return;
vector<ushort> idxs;
if(tangents) loopv(meshes) ((vertmesh *)meshes[i])->calctangents();
vtangents = tangents;
vertsize = tangents ? sizeof(vvertbump) : sizeof(vvertn);
vlen = 0;
if(numframes>1)
{
loopv(meshes) vlen += ((vertmesh *)meshes[i])->genvbo(idxs, vlen);
DELETEA(vdata);
vdata = new uchar[vlen*vertsize];
#define FILLVDATA(type) do { \
loopv(meshes) ((vertmesh *)meshes[i])->fillverts((type *)vdata); \
} while(0)
if(tangents) FILLVDATA(vvertbump);
else FILLVDATA(vvertn);
#undef FILLVDATA
}
else
{
gle::bindvbo(vc.vbuf);
#define GENVBO(type) do { \
vector<type> vverts; \
loopv(meshes) vlen += ((vertmesh *)meshes[i])->genvbo(idxs, vlen, vverts, htdata, htlen); \
glBufferData_(GL_ARRAY_BUFFER, vverts.length()*sizeof(type), vverts.getbuf(), GL_STATIC_DRAW); \
} while(0)
int numverts = 0, htlen = 128;
loopv(meshes) numverts += ((vertmesh *)meshes[i])->numverts;
while(htlen < numverts) htlen *= 2;
if(numverts*4 > htlen*3) htlen *= 2;
int *htdata = new int[htlen];
memset(htdata, -1, htlen*sizeof(int));
if(tangents) GENVBO(vvertbump);
else GENVBO(vvertn);
delete[] htdata;
#undef GENVBO
gle::clearvbo();
}
glGenBuffers_(1, &ebuf);
gle::bindebo(ebuf);
glBufferData_(GL_ELEMENT_ARRAY_BUFFER, idxs.length()*sizeof(ushort), idxs.getbuf(), GL_STATIC_DRAW);
gle::clearebo();
}
void bindvbo(const animstate *as, vbocacheentry &vc)
{
vvert *vverts = 0;
bindpos(ebuf, vc.vbuf, &vverts->pos, vertsize);
if(as->cur.anim&ANIM_NOSKIN)
{
if(enabletc) disabletc();
if(enablenormals) disablenormals();
if(enabletangents) disabletangents();
}
else
{
if(vtangents)
{
if(enablenormals) disablenormals();
vvertbump *vvertbumps = 0;
bindtangents(&vvertbumps->tangent, vertsize);
}
else
{
if(enabletangents) disabletangents();
vvertn *vvertns = 0;
bindnormals(&vvertns->norm, vertsize);
}
bindtc(&vverts->tc, vertsize);
}
if(enablebones) disablebones();
}
void cleanup()
{
loopi(MAXVBOCACHE)
{
vbocacheentry &c = vbocache[i];
if(c.vbuf) { glDeleteBuffers_(1, &c.vbuf); c.vbuf = 0; }
c.as.cur.fr1 = -1;
}
if(ebuf) { glDeleteBuffers_(1, &ebuf); ebuf = 0; }
}
void preload(part *p)
{
if(numframes > 1) return;
bool tangents = p->tangents();
if(tangents!=vtangents) cleanup();
if(!vbocache->vbuf) genvbo(tangents, *vbocache);
}
void render(const animstate *as, float pitch, const vec &axis, const vec &forward, dynent *d, part *p)
{
if(as->cur.anim&ANIM_NORENDER)
{
loopv(p->links) calctagmatrix(p, p->links[i].tag, *as, p->links[i].matrix);
return;
}
bool tangents = p->tangents();
if(tangents!=vtangents) { cleanup(); disablevbo(); }
vbocacheentry *vc = NULL;
if(numframes<=1) vc = vbocache;
else
{
loopi(MAXVBOCACHE)
{
vbocacheentry &c = vbocache[i];
if(!c.vbuf) continue;
if(c.as==*as) { vc = &c; break; }
}
if(!vc) loopi(MAXVBOCACHE) { vc = &vbocache[i]; if(!vc->vbuf || vc->millis < lastmillis) break; }
}
if(!vc->vbuf) genvbo(tangents, *vc);
if(numframes>1)
{
if(vc->as!=*as)
{
vc->as = *as;
vc->millis = lastmillis;
loopv(meshes)
{
vertmesh &m = *(vertmesh *)meshes[i];
m.interpverts(*as, tangents, vdata + m.voffset*vertsize, p->skins[i]);
}
gle::bindvbo(vc->vbuf);
glBufferData_(GL_ARRAY_BUFFER, vlen*vertsize, vdata, GL_STREAM_DRAW);
}
vc->millis = lastmillis;
}
bindvbo(as, *vc);
loopv(meshes)
{
vertmesh *m = (vertmesh *)meshes[i];
p->skins[i].bind(m, as);
m->render(as, p->skins[i], *vc);
}
loopv(p->links) calctagmatrix(p, p->links[i].tag, *as, p->links[i].matrix);
}
};
vertmodel(const char *name) : animmodel(name)
{
}
};
template<class MDL> struct vertloader : modelloader<MDL, vertmodel>
{
vertloader(const char *name) : modelloader<MDL, vertmodel>(name) {}
};
template<class MDL> struct vertcommands : modelcommands<MDL, struct MDL::vertmesh>
{
typedef struct MDL::part part;
typedef struct MDL::skin skin;
static void loadpart(char *model, float *smooth)
{
if(!MDL::loading) { conoutf(CON_ERROR, "not loading an %s", MDL::formatname()); return; }
defformatstring(filename, "%s/%s", MDL::dir, model);
part &mdl = MDL::loading->addpart();
if(mdl.index) mdl.pitchscale = mdl.pitchoffset = mdl.pitchmin = mdl.pitchmax = 0;
mdl.meshes = MDL::loading->sharemeshes(path(filename), double(*smooth > 0 ? cos(clamp(*smooth, 0.0f, 180.0f)*RAD) : 2));
if(!mdl.meshes) conoutf(CON_ERROR, "could not load %s", filename);
else mdl.initskins();
}
static void setpitch(float *pitchscale, float *pitchoffset, float *pitchmin, float *pitchmax)
{
if(!MDL::loading || MDL::loading->parts.empty()) { conoutf(CON_ERROR, "not loading an %s", MDL::formatname()); return; }
part &mdl = *MDL::loading->parts.last();
mdl.pitchscale = *pitchscale;
mdl.pitchoffset = *pitchoffset;
if(*pitchmin || *pitchmax)
{
mdl.pitchmin = *pitchmin;
mdl.pitchmax = *pitchmax;
}
else
{
mdl.pitchmin = -360*fabs(mdl.pitchscale) + mdl.pitchoffset;
mdl.pitchmax = 360*fabs(mdl.pitchscale) + mdl.pitchoffset;
}
}
static void setanim(char *anim, int *frame, int *range, float *speed, int *priority)
{
if(!MDL::loading || MDL::loading->parts.empty()) { conoutf(CON_ERROR, "not loading an %s", MDL::formatname()); return; }
vector<int> anims;
findanims(anim, anims);
if(anims.empty()) conoutf(CON_ERROR, "could not find animation %s", anim);
else loopv(anims)
{
MDL::loading->parts.last()->setanim(0, anims[i], *frame, *range, *speed, *priority);
}
}
vertcommands()
{
if(MDL::multiparted()) this->modelcommand(loadpart, "load", "sf");
this->modelcommand(setpitch, "pitch", "ffff");
if(MDL::animated()) this->modelcommand(setanim, "anim", "siiff");
}
};
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