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|
struct vertmodel : animmodel
{
struct vert { vec pos, norm; };
struct vvertff { vec pos; float u, v; };
struct vvert : vvertff { vec norm; };
struct vvertbump : vvert { vec tangent; float bitangent; };
struct tcvert { float u, v; };
struct bumpvert { vec tangent; float bitangent; };
struct tri { ushort vert[3]; };
struct vbocacheentry
{
uchar *vdata;
GLuint vbuf;
animstate as;
int millis;
vbocacheentry() : vdata(NULL), 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)
{
buildnorms(areaweight);
return;
}
mesh::smoothnorms(verts, numverts, tris, numtris, limit, areaweight);
}
void buildnorms(bool areaweight = true)
{
loopk(((vertmeshgroup *)group)->numframes)
mesh::buildnorms(&verts[k*numverts], numverts, tris, numtris, areaweight);
}
void calctangents(bool areaweight = true)
{
if(bumpverts) return;
bumpverts = new bumpvert[((vertmeshgroup *)group)->numframes*numverts];
loopk(((vertmeshgroup *)group)->numframes)
mesh::calctangents(&bumpverts[k*numverts], &verts[k*numverts], tcverts, numverts, tris, numtris, areaweight);
}
void calcbb(int frame, vec &bbmin, vec &bbmax, const matrix3x4 &m)
{
vert *fverts = &verts[frame*numverts];
loopj(numverts)
{
vec v = m.transform(fverts[j].pos);
loopi(3)
{
bbmin[i] = min(bbmin[i], v[i]);
bbmax[i] = max(bbmax[i], v[i]);
}
}
}
void gentris(int frame, Texture *tex, vector<BIH::tri> *out, const matrix3x4 &m)
{
vert *fverts = &verts[frame*numverts];
loopj(numtris)
{
BIH::tri &t = out[noclip ? 1 : 0].add();
t.tex = tex;
t.a = m.transform(fverts[tris[j].vert[0]].pos);
t.b = m.transform(fverts[tris[j].vert[1]].pos);
t.c = m.transform(fverts[tris[j].vert[2]].pos);
tcvert &av = tcverts[tris[j].vert[0]],
&bv = tcverts[tris[j].vert[1]],
&cv = tcverts[tris[j].vert[2]];
t.tc[0] = av.u;
t.tc[1] = av.v;
t.tc[2] = bv.u;
t.tc[3] = bv.v;
t.tc[4] = cv.u;
t.tc[5] = cv.v;
}
}
static inline bool comparevert(vvertff &w, int j, tcvert &tc, vert &v)
{
return tc.u==w.u && tc.v==w.v && v.pos==w.pos;
}
static inline bool comparevert(vvert &w, int j, tcvert &tc, vert &v)
{
return tc.u==w.u && tc.v==w.v && v.pos==w.pos && v.norm==w.norm;
}
inline bool comparevert(vvertbump &w, int j, tcvert &tc, vert &v)
{
return tc.u==w.u && tc.v==w.v && v.pos==w.pos && v.norm==w.norm && (!bumpverts || (bumpverts[j].tangent==w.tangent && bumpverts[j].bitangent==w.bitangent));
}
static inline void assignvert(vvertff &vv, int j, tcvert &tc, vert &v)
{
vv.pos = v.pos;
vv.u = tc.u;
vv.v = tc.v;
}
static inline void assignvert(vvert &vv, int j, tcvert &tc, vert &v)
{
vv.pos = v.pos;
vv.norm = v.norm;
vv.u = tc.u;
vv.v = tc.v;
}
inline void assignvert(vvertbump &vv, int j, tcvert &tc, vert &v)
{
vv.pos = v.pos;
vv.norm = v.norm;
vv.u = tc.u;
vv.v = tc.v;
if(bumpverts)
{
vv.tangent = bumpverts[j].tangent;
vv.bitangent = bumpverts[j].bitangent;
}
}
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];
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())); assignvert(vverts.add(), index, tc, v); break; }
else if(comparevert(vverts[vidx], index, tc, v)) { 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;
}
void filltc(uchar *vdata, size_t stride)
{
vdata = (uchar *)&((vvertff *)&vdata[voffset*stride])->u;
loopi(numverts)
{
*(tcvert *)vdata = tcverts[i];
vdata += stride;
}
}
void interpverts(const animstate &as, bool norms, 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) 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) v.attrib.lerp(bpvert1[i].attrib, bpvert2[i].attrib, as.prev.t).lerp(vec().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); ipvertp(norm); ipbvertp(tangent); v.bitangent = bvert1[i].bitangent; })
else iploop(vvertbump, { ipvert(pos); ipvert(norm); ipbvert(tangent); v.bitangent = bvert1[i].bitangent; })
}
else if(norms)
{
if(as.interp<1) iploop(vvert, { ipvertp(pos); ipvertp(norm); })
else iploop(vvert, { ipvert(pos); ipvert(norm); })
}
else if(as.interp<1) iploop(vvertff, ipvertp(pos))
else iploop(vvertff, ipvert(pos))
#undef iploop
#undef ipvert
#undef ipbvert
#undef ipvertp
#undef ipbvertp
}
void render(const animstate *as, skin &s, vbocacheentry &vc)
{
if(!(as->cur.anim&ANIM_NOSKIN))
{
if(s.multitextured())
{
if(!enablemtc || lastmtcbuf!=lastvbuf)
{
glClientActiveTexture_(GL_TEXTURE1_ARB);
if(!enablemtc) glEnableClientState(GL_TEXTURE_COORD_ARRAY);
if(lastmtcbuf!=lastvbuf)
{
vvertff *vverts = hasVBO ? 0 : (vvertff *)vc.vdata;
glTexCoordPointer(2, GL_FLOAT, ((vertmeshgroup *)group)->vertsize, &vverts->u);
}
glClientActiveTexture_(GL_TEXTURE0_ARB);
lastmtcbuf = lastvbuf;
enablemtc = true;
}
}
else if(enablemtc) disablemtc();
if(s.tangents())
{
if(!enabletangents || lastxbuf!=lastvbuf)
{
if(!enabletangents) glEnableVertexAttribArray_(1);
if(lastxbuf!=lastvbuf)
{
vvertbump *vverts = hasVBO ? 0 : (vvertbump *)vc.vdata;
glVertexAttribPointer_(1, 4, GL_FLOAT, GL_FALSE, ((vertmeshgroup *)group)->vertsize, &vverts->tangent.x);
}
lastxbuf = lastvbuf;
enabletangents = true;
}
}
else if(enabletangents) disabletangents();
if(renderpath==R_FIXEDFUNCTION && (s.scrollu || s.scrollv))
{
glMatrixMode(GL_TEXTURE);
glPushMatrix();
glTranslatef(s.scrollu*lastmillis/1000.0f, s.scrollv*lastmillis/1000.0f, 0);
if(s.multitextured())
{
glActiveTexture_(GL_TEXTURE1_ARB);
glPushMatrix();
glTranslatef(s.scrollu*lastmillis/1000.0f, s.scrollv*lastmillis/1000.0f, 0);
}
}
}
if(hasDRE) glDrawRangeElements_(GL_TRIANGLES, minvert, maxvert, elen, GL_UNSIGNED_SHORT, &((vertmeshgroup *)group)->edata[eoffset]);
else glDrawElements(GL_TRIANGLES, elen, GL_UNSIGNED_SHORT, &((vertmeshgroup *)group)->edata[eoffset]);
glde++;
xtravertsva += numverts;
if(renderpath==R_FIXEDFUNCTION && !(as->cur.anim&ANIM_NOSKIN) && (s.scrollu || s.scrollv))
{
if(s.multitextured())
{
glPopMatrix();
glActiveTexture_(GL_TEXTURE0_ARB);
}
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
}
return;
}
};
struct tag
{
char *name;
matrix3x4 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 vnorms, vtangents;
int vlen, vertsize;
uchar *vdata;
vertmeshgroup() : numframes(0), tags(NULL), numtags(0), edata(NULL), ebuf(0), vnorms(false), vtangents(false), vlen(0), vertsize(0), vdata(NULL)
{
}
virtual ~vertmeshgroup()
{
DELETEA(tags);
if(ebuf) glDeleteBuffers_(1, &ebuf);
loopi(MAXVBOCACHE)
{
DELETEA(vbocache[i].vdata);
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 frame, int i, const matrix3x4 &m, matrix3x4 &n)
{
n.mul(m, tags[frame*numtags + i].transform);
n.translate(m.transformnormal(p->translate).mul(p->model->scale));
}
void calctagmatrix(part *p, int i, const animstate &as, glmatrixf &matrix)
{
const matrix3x4 &tag1 = tags[as.cur.fr1*numtags + i].transform,
&tag2 = tags[as.cur.fr2*numtags + i].transform;
matrix3x4 tag;
tag.lerp(tag1, tag2, as.cur.t);
if(as.interp<1)
{
const matrix3x4 &tag1p = tags[as.prev.fr1*numtags + i].transform,
&tag2p = tags[as.prev.fr2*numtags + i].transform;
matrix3x4 tagp;
tagp.lerp(tag1p, tag2p, as.prev.t);
tag.lerp(tagp, tag, as.interp);
}
matrix = glmatrixf(tag);
matrix[12] = (matrix[12] + p->translate.x) * p->model->scale;
matrix[13] = (matrix[13] + p->translate.y) * p->model->scale;
matrix[14] = (matrix[14] + p->translate.z) * p->model->scale;
}
void genvbo(bool norms, bool tangents, vbocacheentry &vc)
{
if(hasVBO)
{
if(!vc.vbuf) glGenBuffers_(1, &vc.vbuf);
if(ebuf) return;
}
else if(edata)
{
#define ALLOCVDATA(vdata) \
do \
{ \
DELETEA(vdata); \
vdata = new uchar[vlen*vertsize]; \
loopv(meshes) ((vertmesh *)meshes[i])->filltc(vdata, vertsize); \
} while(0)
if(!vc.vdata) ALLOCVDATA(vc.vdata);
return;
}
vector<ushort> idxs;
vnorms = norms;
vtangents = tangents;
vertsize = tangents ? sizeof(vvertbump) : (norms ? sizeof(vvert) : sizeof(vvertff));
vlen = 0;
if(numframes>1)
{
loopv(meshes) vlen += ((vertmesh *)meshes[i])->genvbo(idxs, vlen);
DELETEA(vdata);
if(hasVBO) ALLOCVDATA(vdata);
else ALLOCVDATA(vc.vdata);
}
else
{
if(hasVBO) glBindBuffer_(GL_ARRAY_BUFFER_ARB, vc.vbuf);
#define GENVBO(type) \
do \
{ \
vector<type> vverts; \
loopv(meshes) vlen += ((vertmesh *)meshes[i])->genvbo(idxs, vlen, vverts, htdata, htlen); \
if(hasVBO) glBufferData_(GL_ARRAY_BUFFER_ARB, vverts.length()*sizeof(type), vverts.getbuf(), GL_STATIC_DRAW_ARB); \
else \
{ \
DELETEA(vc.vdata); \
vc.vdata = new uchar[vverts.length()*sizeof(type)]; \
memcpy(vc.vdata, vverts.getbuf(), vverts.length()*sizeof(type)); \
} \
} 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 if(norms) GENVBO(vvert);
else GENVBO(vvertff);
delete[] htdata;
if(hasVBO) glBindBuffer_(GL_ARRAY_BUFFER_ARB, 0);
}
if(hasVBO)
{
glGenBuffers_(1, &ebuf);
glBindBuffer_(GL_ELEMENT_ARRAY_BUFFER_ARB, ebuf);
glBufferData_(GL_ELEMENT_ARRAY_BUFFER_ARB, idxs.length()*sizeof(ushort), idxs.getbuf(), GL_STATIC_DRAW_ARB);
glBindBuffer_(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
}
else
{
edata = new ushort[idxs.length()];
memcpy(edata, idxs.getbuf(), idxs.length()*sizeof(ushort));
}
#undef GENVBO
#undef ALLOCVDATA
}
void bindvbo(const animstate *as, vbocacheentry &vc)
{
vvert *vverts = hasVBO ? 0 : (vvert *)vc.vdata;
if(hasVBO && lastebuf!=ebuf)
{
glBindBuffer_(GL_ELEMENT_ARRAY_BUFFER_ARB, ebuf);
lastebuf = ebuf;
}
if(lastvbuf != (hasVBO ? (void *)(size_t)vc.vbuf : vc.vdata))
{
if(hasVBO) glBindBuffer_(GL_ARRAY_BUFFER_ARB, vc.vbuf);
if(!lastvbuf) glEnableClientState(GL_VERTEX_ARRAY);
glVertexPointer(3, GL_FLOAT, vertsize, &vverts->pos);
lastvbuf = hasVBO ? (void *)(size_t)vc.vbuf : vc.vdata;
}
if(as->cur.anim&ANIM_NOSKIN)
{
if(enabletc) disabletc();
if(enablenormals) disablenormals();
}
else
{
if(vnorms || vtangents)
{
if(!enablenormals)
{
glEnableClientState(GL_NORMAL_ARRAY);
enablenormals = true;
}
if(lastnbuf!=lastvbuf)
{
glNormalPointer(GL_FLOAT, vertsize, &vverts->norm);
lastnbuf = lastvbuf;
}
}
else if(enablenormals) disablenormals();
if(!enabletc)
{
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
enabletc = true;
}
if(lasttcbuf!=lastvbuf)
{
glTexCoordPointer(2, GL_FLOAT, vertsize, &vverts->u);
lasttcbuf = lastvbuf;
}
}
if(enablebones) disablebones();
}
void cleanup()
{
loopi(MAXVBOCACHE)
{
vbocacheentry &c = vbocache[i];
if(c.vbuf) { glDeleteBuffers_(1, &c.vbuf); c.vbuf = 0; }
DELETEA(c.vdata);
c.as.cur.fr1 = -1;
}
if(hasVBO) { if(ebuf) { glDeleteBuffers_(1, &ebuf); ebuf = 0; } }
else DELETEA(vdata);
}
void preload(part *p)
{
if(numframes > 1) return;
bool norms = false, tangents = false;
loopv(p->skins)
{
if(p->skins[i].normals()) norms = true;
if(p->skins[i].tangents()) tangents = true;
}
if(norms!=vnorms || tangents!=vtangents) cleanup();
if(hasVBO ? !vbocache->vbuf : !vbocache->vdata) genvbo(norms, 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 norms = false, tangents = false;
loopv(p->skins)
{
if(p->skins[i].normals()) norms = true;
if(p->skins[i].tangents()) tangents = true;
}
if(norms!=vnorms || tangents!=vtangents) { cleanup(); disablevbo(); }
vbocacheentry *vc = NULL;
if(numframes<=1) vc = vbocache;
else
{
loopi(MAXVBOCACHE)
{
vbocacheentry &c = vbocache[i];
if(hasVBO ? !c.vbuf : !c.vdata) continue;
if(c.as==*as) { vc = &c; break; }
}
if(!vc) loopi(MAXVBOCACHE) { vc = &vbocache[i]; if((hasVBO ? !vc->vbuf : !vc->vdata) || vc->millis < lastmillis) break; }
}
if(hasVBO ? !vc->vbuf : !vc->vdata) genvbo(norms, 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, norms, tangents, (hasVBO ? vdata : vc->vdata) + m.voffset*vertsize, p->skins[i]);
}
if(hasVBO)
{
glBindBuffer_(GL_ARRAY_BUFFER_ARB, vc->vbuf);
glBufferData_(GL_ARRAY_BUFFER_ARB, vlen*vertsize, vdata, GL_STREAM_DRAW_ARB);
}
}
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>
{
};
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("not loading an %s", MDL::formatname()); return; }
defformatstring(filename)("%s/%s", MDL::dir, model);
part &mdl = *new part;
MDL::loading->parts.add(&mdl);
mdl.model = MDL::loading;
mdl.index = MDL::loading->parts.length()-1;
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("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("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("not loading an %s", MDL::formatname()); return; }
vector<int> anims;
findanims(anim, anims);
if(anims.empty()) conoutf("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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