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basicmonster(int type, int yaw, int state, int trigger, int move)
{
if (type >= NUMMONSTERTYPES) {
conoutf(@"warning: unknown monster in spawn: %d", type);
type = 0;
}
DynamicEntity *m = newdynent();
monstertype *t = &monstertypes[(m.mtype = type)];
struct monstertype *t = &monstertypes[(m.mtype = type)];
m.eyeheight = 2.0f;
m.aboveeye = 1.9f;
m.radius *= t->bscale / 10.0f;
m.eyeheight *= t->bscale / 10.0f;
m.aboveeye *= t->bscale / 10.0f;
m.monsterstate = state;
if (state != M_SLEEP)
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monstertotal++;
}
}
}
// height-correct line of sight for monster shooting/seeing
bool
los(float lx, float ly, float lz, float bx, float by, float bz, OFVector3D &v)
los(float lx, float ly, float lz, float bx, float by, float bz, OFVector3D *v)
{
if (OUTBORD((int)lx, (int)ly) || OUTBORD((int)bx, (int)by))
return false;
float dx = bx - lx;
float dy = by - ly;
int steps = (int)(sqrt(dx * dx + dy * dy) / 0.9);
if (!steps)
return false;
float x = lx;
float y = ly;
int i = 0;
for (;;) {
sqr *s = S(fast_f2nat(x), fast_f2nat(y));
struct sqr *s = S(fast_f2nat(x), fast_f2nat(y));
if (SOLID(s))
break;
float floor = s->floor;
if (s->type == FHF)
floor -= s->vdelta / 4.0f;
float ceil = s->ceil;
if (s->type == CHF)
ceil += s->vdelta / 4.0f;
float rz = lz - ((lz - bz) * (i / (float)steps));
if (rz < floor || rz > ceil)
break;
v.x = x;
v.y = y;
v.z = rz;
v->x = x;
v->y = y;
v->z = rz;
x += dx / (float)steps;
y += dy / (float)steps;
i++;
}
return i >= steps;
}
bool
enemylos(DynamicEntity *m, OFVector3D &v)
enemylos(DynamicEntity *m, OFVector3D *v)
{
v = m.o;
*v = m.o;
return los(
m.o.x, m.o.y, m.o.z, m.enemy.o.x, m.enemy.o.y, m.enemy.o.z, v);
}
// monster AI is sequenced using transitions: they are in a particular state
// where they execute a particular behaviour until the trigger time is hit, and
// then they reevaluate their situation based on the current state, the
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transition(m, M_HOME, 1, 100, 200);
break;
case M_SLEEP: // state classic sp monster start in, wait for visual
// contact
{
OFVector3D target;
if (editmode || !enemylos(m, target))
if (editmode || !enemylos(m, &target))
return; // skip running physics
normalise(m, enemyyaw);
float angle = (float)fabs(enemyyaw - m.yaw);
if (disttoenemy < 8 // the better the angle to the player, the
// further the monster can see/hear
|| (disttoenemy < 16 && angle < 135) ||
(disttoenemy < 32 && angle < 90) ||
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case M_HOME:
// monster has visual contact, heads straight for player and
// may want to shoot at any time
m.targetyaw = enemyyaw;
if (m.trigger < lastmillis) {
OFVector3D target;
if (!enemylos(m, target)) {
if (!enemylos(m, &target)) {
// no visual contact anymore, let monster get
// as close as possible then search for player
transition(m, M_HOME, 1, 800, 500);
} else {
// the closer the monster is the more likely he
// wants to shoot
if (!rnd((int)disttoenemy / 3 + 1) &&
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