Lee Salzman
e203e13c82
git-svn-id: svn://svn.code.sf.net/p/actiongame/code/trunk/ac@551 e016b1c5-ed68-44aa-a2f7-31cac88cffde
399 lines
12 KiB
C
399 lines
12 KiB
C
struct vertmodel : model
|
|
{
|
|
struct anpos
|
|
{
|
|
int fr1, fr2;
|
|
float t;
|
|
|
|
void setframes(const animstate &as)
|
|
{
|
|
int time = lastmillis-as.basetime;
|
|
fr1 = (int)(time/as.speed); // round to full frames
|
|
t = (time-fr1*as.speed)/as.speed; // progress of the frame, value from 0.0f to 1.0f
|
|
if(as.anim&ANIM_LOOP)
|
|
{
|
|
fr1 = fr1%as.range+as.frame;
|
|
fr2 = fr1+1;
|
|
if(fr2>=as.frame+as.range) fr2 = as.frame;
|
|
}
|
|
else
|
|
{
|
|
fr1 = min(fr1, as.range-1)+as.frame;
|
|
fr2 = min(fr1+1, as.frame+as.range-1);
|
|
};
|
|
if(as.anim&ANIM_REVERSE)
|
|
{
|
|
fr1 = (as.frame+as.range-1)-(fr1-as.frame);
|
|
fr2 = (as.frame+as.range-1)-(fr2-as.frame);
|
|
};
|
|
};
|
|
};
|
|
|
|
struct tcvert { float u, v; ushort index; };
|
|
struct tri { ushort vert[3]; };
|
|
|
|
struct mesh
|
|
{
|
|
char *name;
|
|
vec *verts;
|
|
tcvert *tcverts;
|
|
tri *tris;
|
|
int numverts, numtcverts, numtris;
|
|
|
|
Texture *skin;
|
|
int tex;
|
|
|
|
vec *dynbuf;
|
|
ushort *dynidx;
|
|
int dynframe, dynlen;
|
|
GLuint statlist;
|
|
int statlen;
|
|
|
|
mesh() : name(0), verts(0), tcverts(0), tris(0), skin(crosshair), tex(0), dynbuf(0), dynidx(0), dynframe(-1), statlist(0) {};
|
|
|
|
~mesh()
|
|
{
|
|
DELETEA(name);
|
|
DELETEA(verts);
|
|
DELETEA(tcverts);
|
|
DELETEA(tris);
|
|
if(statlist) glDeleteLists(statlist, 1);
|
|
DELETEA(dynidx);
|
|
DELETEA(dynbuf);
|
|
};
|
|
|
|
void gendyn()
|
|
{
|
|
tristrip ts;
|
|
ts.addtriangles(tris->vert, numtris);
|
|
vector<ushort> idxs;
|
|
ts.buildstrips(idxs);
|
|
dynbuf = new vec[numverts];
|
|
dynidx = new ushort[idxs.length()];
|
|
memcpy(dynidx, idxs.getbuf(), idxs.length()*sizeof(ushort));
|
|
dynlen = idxs.length();
|
|
};
|
|
|
|
void gendynverts(anpos &cur, anpos *prev, float ai_t)
|
|
{
|
|
vec *vert1 = &verts[cur.fr1 * numverts],
|
|
*vert2 = &verts[cur.fr2 * numverts],
|
|
*pvert1 = NULL, *pvert2 = NULL;
|
|
if(prev)
|
|
{
|
|
pvert1 = &verts[prev->fr1 * numverts];
|
|
pvert2 = &verts[prev->fr2 * numverts];
|
|
dynframe = -1;
|
|
}
|
|
else if(cur.fr1==cur.fr2)
|
|
{
|
|
if(cur.fr1==dynframe) return;
|
|
dynframe = cur.fr1;
|
|
}
|
|
else dynframe = -1;
|
|
loopi(numverts) // vertices
|
|
{
|
|
vec &v = dynbuf[i];
|
|
#define ip(p1, p2, t) (p1+t*(p2-p1))
|
|
#define ip_v(p, c, t) ip(p##1[i].c, p##2[i].c, t)
|
|
if(prev)
|
|
{
|
|
#define ip_v_ai(c) ip( ip_v(pvert, c, prev->t), ip_v(vert, c, cur.t), ai_t)
|
|
v = vec(ip_v_ai(x), ip_v_ai(y), ip_v_ai(z));
|
|
#undef ip_v_ai
|
|
}
|
|
else
|
|
{
|
|
v = vec(ip_v(vert, x, cur.t), ip_v(vert, y, cur.t), ip_v(vert, z, cur.t));
|
|
};
|
|
#undef ip
|
|
#undef ip_v
|
|
};
|
|
};
|
|
|
|
void render(animstate &as, anpos &cur, anpos *prev, float ai_t)
|
|
{
|
|
if(!dynbuf) return;
|
|
|
|
int id = skin->id;
|
|
if(tex)
|
|
{
|
|
int xs, ys;
|
|
id = lookuptexture(tex, xs, ys);
|
|
};
|
|
glBindTexture(GL_TEXTURE_2D, id);
|
|
|
|
bool isstat = as.frame==0 && as.range==1;
|
|
if(isstat && statlist)
|
|
{
|
|
glCallList(statlist);
|
|
xtraverts += statlen;
|
|
}
|
|
else
|
|
{
|
|
if(isstat) glNewList(statlist = glGenLists(1), GL_COMPILE);
|
|
gendynverts(cur, prev, ai_t);
|
|
loopj(dynlen)
|
|
{
|
|
ushort index = dynidx[j];
|
|
if(index>=tristrip::RESTART || !j)
|
|
{
|
|
if(j) glEnd();
|
|
glBegin(index==tristrip::LIST ? GL_TRIANGLES : GL_TRIANGLE_STRIP);
|
|
if(index>=tristrip::RESTART) continue;
|
|
};
|
|
tcvert &tc = tcverts[index];
|
|
glTexCoord2f(tc.u, tc.v);
|
|
glVertex3fv(&dynbuf[tc.index].x);
|
|
};
|
|
glEnd();
|
|
if(isstat)
|
|
{
|
|
glEndList();
|
|
glCallList(statlist);
|
|
statlen = dynlen;
|
|
};
|
|
xtraverts += dynlen;
|
|
};
|
|
};
|
|
};
|
|
|
|
struct animinfo
|
|
{
|
|
int frame, range;
|
|
float speed;
|
|
};
|
|
|
|
struct tag
|
|
{
|
|
char *name;
|
|
vec pos;
|
|
float transform[3][3];
|
|
|
|
tag() : name(NULL) {};
|
|
~tag() { DELETEA(name); };
|
|
};
|
|
|
|
struct part
|
|
{
|
|
bool loaded;
|
|
vertmodel *model;
|
|
int index, numframes;
|
|
vector<mesh *> meshes;
|
|
vector<animinfo> *anims;
|
|
part **links;
|
|
tag *tags;
|
|
int numtags;
|
|
|
|
part() : loaded(false), anims(NULL), links(NULL), tags(NULL), numtags(0) {};
|
|
virtual ~part()
|
|
{
|
|
meshes.deletecontentsp();
|
|
DELETEA(anims);
|
|
DELETEA(links);
|
|
DELETEA(tags);
|
|
};
|
|
|
|
bool link(part *link, const char *tag)
|
|
{
|
|
loopi(numtags) if(!strcmp(tags[i].name, tag))
|
|
{
|
|
links[i] = link;
|
|
return true;
|
|
};
|
|
return false;
|
|
};
|
|
|
|
void scaleverts(const float scale, const vec &translate)
|
|
{
|
|
loopv(meshes)
|
|
{
|
|
mesh &m = *meshes[i];
|
|
loopj(numframes*m.numverts)
|
|
{
|
|
vec &v = m.verts[j];
|
|
if(!index) v.add(translate);
|
|
v.mul(scale);
|
|
};
|
|
};
|
|
loopi(numframes*numtags)
|
|
{
|
|
vec &v = tags[i].pos;
|
|
if(!index) v.add(translate);
|
|
v.mul(scale);
|
|
};
|
|
};
|
|
|
|
void gendyn()
|
|
{
|
|
loopv(meshes) meshes[i]->gendyn();
|
|
};
|
|
|
|
virtual void getdefaultanim(animstate &as, int anim, int varseed, float speed)
|
|
{
|
|
as.frame = 0;
|
|
as.range = 1;
|
|
as.speed = speed;
|
|
};
|
|
|
|
bool calcanimstate(int anim, int varseed, float speed, int basetime, dynent *d, animstate &as)
|
|
{
|
|
as.anim = anim;
|
|
as.basetime = basetime;
|
|
if((anim&ANIM_INDEX)==ANIM_ALL)
|
|
{
|
|
as.frame = 0;
|
|
as.range = numframes;
|
|
}
|
|
else if(anims)
|
|
{
|
|
vector<animinfo> &ais = anims[anim&ANIM_INDEX];
|
|
if(ais.length())
|
|
{
|
|
animinfo &ai = ais[varseed%ais.length()];
|
|
as.frame = ai.frame;
|
|
as.range = ai.range;
|
|
as.speed = speed*100.0f/ai.speed;
|
|
}
|
|
else
|
|
{
|
|
as.frame = 0;
|
|
as.range = 1;
|
|
as.speed = speed;
|
|
};
|
|
}
|
|
else getdefaultanim(as, anim&ANIM_INDEX, varseed, speed);
|
|
if(anim&(ANIM_START|ANIM_END))
|
|
{
|
|
if(anim&ANIM_END) as.frame += as.range-1;
|
|
as.range = 1;
|
|
};
|
|
|
|
if(as.frame+as.range>numframes)
|
|
{
|
|
if(as.frame>=numframes) return false;
|
|
as.range = numframes-as.frame;
|
|
};
|
|
|
|
if(d && index<2)
|
|
{
|
|
if(d->lastmodel[index]!=this || d->lastanimswitchtime[index]==-1)
|
|
{
|
|
d->current[index] = as;
|
|
d->lastanimswitchtime[index] = lastmillis-animationinterpolationtime*2;
|
|
}
|
|
else if(d->current[index] != as)
|
|
{
|
|
if(lastmillis-d->lastanimswitchtime[index]>animationinterpolationtime/2) d->prev[index] = d->current[index];
|
|
d->current[index] = as;
|
|
d->lastanimswitchtime[index] = lastmillis;
|
|
};
|
|
d->lastmodel[index] = this;
|
|
};
|
|
return true;
|
|
};
|
|
|
|
void render(int anim, int varseed, float speed, int basetime, dynent *d)
|
|
{
|
|
if(meshes.length() <= 0) return;
|
|
animstate as;
|
|
if(!calcanimstate(anim, varseed, speed, basetime, d, as)) return;
|
|
|
|
if(!meshes[0]->dynbuf) gendyn();
|
|
|
|
anpos prev, cur;
|
|
cur.setframes(d && index<2 ? d->current[index] : as);
|
|
|
|
float ai_t = 0;
|
|
bool doai = !(anim&ANIM_NOINTERP) && d && index<2 && lastmillis-d->lastanimswitchtime[index]<animationinterpolationtime;
|
|
if(doai)
|
|
{
|
|
prev.setframes(d->prev[index]);
|
|
ai_t = (lastmillis-d->lastanimswitchtime[index])/(float)animationinterpolationtime;
|
|
};
|
|
|
|
loopv(meshes) meshes[i]->render(as, cur, doai ? &prev : NULL, ai_t);
|
|
|
|
loopi(numtags) if(links[i]) // render the linked models - interpolate rotation and position of the 'link-tags'
|
|
{
|
|
part *link = links[i];
|
|
|
|
GLfloat matrix[16];
|
|
tag *tag1 = &tags[cur.fr1*numtags+i];
|
|
tag *tag2 = &tags[cur.fr2*numtags+i];
|
|
#define ip(p1, p2, t) (p1+t*(p2-p1))
|
|
#define ip_ai_tag(c) ip( ip( tag1p->c, tag2p->c, prev.t), ip( tag1->c, tag2->c, cur.t), ai_t)
|
|
if(doai)
|
|
{
|
|
tag *tag1p = &tags[prev.fr1 * numtags + i];
|
|
tag *tag2p = &tags[prev.fr2 * numtags + i];
|
|
loopj(3) matrix[j] = ip_ai_tag(transform[0][j]); // transform
|
|
loopj(3) matrix[4 + j] = ip_ai_tag(transform[1][j]);
|
|
loopj(3) matrix[8 + j] = ip_ai_tag(transform[2][j]);
|
|
loopj(3) matrix[12 + j] = ip_ai_tag(pos[j]); // position
|
|
}
|
|
else
|
|
{
|
|
loopj(3) matrix[j] = ip(tag1->transform[0][j], tag2->transform[0][j], cur.t); // transform
|
|
loopj(3) matrix[4 + j] = ip(tag1->transform[1][j], tag2->transform[1][j], cur.t);
|
|
loopj(3) matrix[8 + j] = ip(tag1->transform[2][j], tag2->transform[2][j], cur.t);
|
|
loopj(3) matrix[12 + j] = ip(tag1->pos[j], tag2->pos[j], cur.t); // position
|
|
};
|
|
#undef ip_ai_tag
|
|
#undef ip
|
|
matrix[3] = matrix[7] = matrix[11] = 0.0f;
|
|
matrix[15] = 1.0f;
|
|
glPushMatrix();
|
|
glMultMatrixf(matrix);
|
|
link->render(anim, varseed, speed, basetime, d);
|
|
glPopMatrix();
|
|
};
|
|
};
|
|
|
|
void setanim(int num, int frame, int range, float speed)
|
|
{
|
|
if(frame<0 || frame>=numframes || range<=0 || frame+range>numframes)
|
|
{
|
|
conoutf("invalid frame %d, range %d in model %s", frame, range, model->loadname);
|
|
return;
|
|
};
|
|
if(!anims) anims = new vector<animinfo>[NUMANIMS];
|
|
animinfo &ai = anims[num].add();
|
|
ai.frame = frame;
|
|
ai.range = range;
|
|
ai.speed = speed;
|
|
};
|
|
};
|
|
|
|
bool loaded;
|
|
char *loadname;
|
|
vector<part *> parts;
|
|
|
|
vertmodel(const char *name) : loaded(false)
|
|
{
|
|
loadname = newstring(name);
|
|
};
|
|
|
|
~vertmodel()
|
|
{
|
|
delete[] loadname;
|
|
parts.deletecontentsp();
|
|
};
|
|
|
|
char *name() { return loadname; };
|
|
|
|
bool link(part *link, const char *tag)
|
|
{
|
|
loopv(parts) if(parts[i]->link(link, tag)) return true;
|
|
return false;
|
|
};
|
|
|
|
void setskin(int tex)
|
|
{
|
|
if(parts.length()!=1 || parts[0]->meshes.length()!=1) return;
|
|
mesh &m = *parts[0]->meshes[0];
|
|
m.tex = tex;
|
|
};
|
|
};
|
|
|