/**
* G_RunFrame
*
* <p>Advances the world by Defines.FRAMETIME (0.1) seconds.
*/
public static void G_RunFrame() {
int i;
Entity ent;
level.framenum++;
level.time = level.framenum * Constants.FRAMETIME;
// choose a client for monsters to target this frame
GameAI.AI_SetSightClient();
// exit intermissions
if (level.exitintermission) {
ExitLevel();
return;
}
//
// treat each object in turn
// even the world gets a chance to think
//
for (i = 0; i < num_edicts; i++) {
ent = g_edicts[i];
if (!ent.inuse) continue;
level.current_entity = ent;
Math3D.VectorCopy(ent.s.origin, ent.s.old_origin);
// if the ground entity moved, make sure we are still on it
if ((ent.groundentity != null)
&& (ent.groundentity.linkcount != ent.groundentity_linkcount)) {
ent.groundentity = null;
if (0 == (ent.flags & (Constants.FL_SWIM | Constants.FL_FLY))
&& (ent.svflags & Constants.SVF_MONSTER) != 0) {
ClientMonsterMethods.M_CheckGround(ent);
}
}
if (i > 0 && i <= maxclients.value) {
PlayerClient.ClientBeginServerFrame(ent);
continue;
}
G_RunEntity(ent);
}
// see if it is time to end a deathmatch
CheckDMRules();
// see if needpass needs updated
CheckNeedPass();
// build the playerstate_t structures for all players
ClientEndServerFrames();
}
public static void G_SetMovedir(float[] angles, float[] movedir) {
if (Math3D.VectorEquals(angles, VEC_UP)) {
Math3D.VectorCopy(MOVEDIR_UP, movedir);
} else if (Math3D.VectorEquals(angles, VEC_DOWN)) {
Math3D.VectorCopy(MOVEDIR_DOWN, movedir);
} else {
Math3D.AngleVectors(angles, movedir, null, null);
}
Math3D.VectorClear(angles);
}
/** Slide off of the impacting object returns the blocked flags (1 = floor, 2 = step / wall). */
public static int ClipVelocity(float[] in, float[] normal, float[] out, float overbounce) {
float backoff;
float change;
int i, blocked;
blocked = 0;
if (normal[2] > 0) blocked |= 1; // floor
if (normal[2] == 0.0f) blocked |= 2; // step
backoff = Math3D.DotProduct(in, normal) * overbounce;
for (i = 0; i < 3; i++) {
change = normal[i] * backoff;
out[i] = in[i] - change;
if (out[i] > -STOP_EPSILON && out[i] < STOP_EPSILON) out[i] = 0;
}
return blocked;
}
/** Returns entities that have origins within a spherical area. */
public static EntityIterator findradius(EntityIterator from, float[] org, float rad) {
float[] eorg = {0, 0, 0};
int j;
if (from == null) from = new EntityIterator(0);
else from.i++;
for (; from.i < num_edicts; from.i++) {
from.o = g_edicts[from.i];
if (!from.o.inuse) continue;
if (from.o.solid == Constants.SOLID_NOT) continue;
for (j = 0; j < 3; j++)
eorg[j] = org[j] - (from.o.s.origin[j] + (from.o.mins[j] + from.o.maxs[j]) * 0.5f);
if (Math3D.VectorLength(eorg) > rad) continue;
return from;
}
return null;
}