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Factor out AI timesplice check

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Kp 2015-04-02 02:36:52 +00:00
parent 90fbebf8fd
commit 2c0755b117
1 changed files with 50 additions and 31 deletions
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81
similar/main/ai.cpp
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@ -2868,6 +2868,54 @@ static int openable_door_on_near_path(const object &obj, const ai_static &aip)
}
#endif
#ifdef NDEBUG
static bool is_break_object(vcobjptridx_t)
{
return false;
}
#else
static bool is_break_object(const vcobjptridx_t robot)
{
return Break_on_object == robot;
}
#endif
static bool skip_ai_for_time_splice(const vcobjptridx_t robot, const robot_info *robptr, const vm_distance &dist_to_player)
{
if (unlikely(is_break_object(robot)))
// don't time slice if we're interested in this object.
return false;
const auto &aip = robot->ctype.ai_info;
const auto &ailp = aip.ail;
#if defined(DXX_BUILD_DESCENT_I)
(void)robptr;
if (ailp.player_awareness_type < PA_WEAPON_ROBOT_COLLISION-1) { // If robot got hit, he gets to attack player always!
{
if ((dist_to_player > F1_0*250) && (ailp.time_since_processed <= F1_0*2))
return true;
else if (!((aip.behavior == AIB_STATION) && (ailp.mode == AIM_FOLLOW_PATH) && (aip.hide_segment != robot->segnum))) {
if ((dist_to_player > F1_0*150) && (ailp.time_since_processed <= F1_0))
return true;
else if ((dist_to_player > F1_0*100) && (ailp.time_since_processed <= F1_0/2))
return true;
}
}
}
#elif defined(DXX_BUILD_DESCENT_II)
if (!((aip.behavior == AIB_SNIPE) && (ailp.mode != AIM_SNIPE_WAIT)) && !robot_is_companion(robptr) && !robot_is_thief(robptr) && (ailp.player_awareness_type < PA_WEAPON_ROBOT_COLLISION-1)) { // If robot got hit, he gets to attack player always!
{
if ((aip.behavior == AIB_STATION) && (ailp.mode == AIM_FOLLOW_PATH) && (aip.hide_segment != robot->segnum)) {
if (dist_to_player > F1_0*250) // station guys not at home always processed until 250 units away.
return true;
} else if ((!ailp.previous_visibility) && ((dist_to_player >> 7) > ailp.time_since_processed)) { // 128 units away (6.4 segments) processed after 1 second.
return true;
}
}
}
#endif
return false;
}
// --------------------------------------------------------------------------------------------------------------------
void do_ai_frame(const vobjptridx_t obj)
{
@ -3281,37 +3329,8 @@ _exit_cheat:
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
// Time-slice, don't process all the time, purely an efficiency hack.
// Guys whose behavior is station and are not at their hide segment get processed anyway.
#if defined(DXX_BUILD_DESCENT_I)
if (ailp->player_awareness_type < PA_WEAPON_ROBOT_COLLISION-1) { // If robot got hit, he gets to attack player always!
#ifndef NDEBUG
if (Break_on_object != objnum)
#endif
{ // don't time slice if we're interested in this object.
if ((dist_to_player > F1_0*250) && (ailp->time_since_processed <= F1_0*2))
return;
else if (!((aip->behavior == AIB_STATION) && (ailp->mode == AIM_FOLLOW_PATH) && (aip->hide_segment != obj->segnum))) {
if ((dist_to_player > F1_0*150) && (ailp->time_since_processed <= F1_0))
return;
else if ((dist_to_player > F1_0*100) && (ailp->time_since_processed <= F1_0/2))
return;
}
}
}
#elif defined(DXX_BUILD_DESCENT_II)
if (!((aip->behavior == AIB_SNIPE) && (ailp->mode != AIM_SNIPE_WAIT)) && !robot_is_companion(robptr) && !robot_is_thief(robptr) && (ailp->player_awareness_type < PA_WEAPON_ROBOT_COLLISION-1)) { // If robot got hit, he gets to attack player always!
#ifndef NDEBUG
if (Break_on_object != objnum)
#endif
{ // don't time slice if we're interested in this object.
if ((aip->behavior == AIB_STATION) && (ailp->mode == AIM_FOLLOW_PATH) && (aip->hide_segment != obj->segnum)) {
if (dist_to_player > F1_0*250) // station guys not at home always processed until 250 units away.
return;
} else if ((!ailp->previous_visibility) && ((dist_to_player >> 7) > ailp->time_since_processed)) { // 128 units away (6.4 segments) processed after 1 second.
return;
}
}
}
#endif
if (skip_ai_for_time_splice(obj, robptr, dist_to_player))
return;
// Reset time since processed, but skew objects so not everything
// processed synchronously, else we get fast frames with the