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Reduce waypoint radius for bots on turns

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This commit is contained in:
Sally Coolatta 2023-03-06 00:46:43 -05:00
parent df00ed4f64
commit cd2dd1315a
1 changed files with 61 additions and 4 deletions
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65
src/k_bot.c
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@ -634,6 +634,60 @@ fixed_t K_DistanceOfLineFromPoint(fixed_t v1x, fixed_t v1y, fixed_t v2x, fixed_t
return R_PointToDist2(px, py, startx + vx, starty + vy);
}
/*--------------------------------------------------
static fixed_t K_GetBotWaypointRadius(waypoint_t *waypoint)
Calculates a new waypoint radius size to use, making it
thinner depending on how harsh the turn is.
Input Arguments:-
waypoint - Waypoint to retrieve the radius of.
Return:-
New radius value.
--------------------------------------------------*/
static fixed_t K_GetBotWaypointRadius(waypoint_t *const waypoint)
{
static const fixed_t maxReduce = FRACUNIT/32;
static const angle_t maxDelta = ANGLE_45;
fixed_t radius = waypoint->mobj->radius;
fixed_t reduce = FRACUNIT;
angle_t delta = 0;
size_t i, j;
for (i = 0; i < waypoint->numnextwaypoints; i++)
{
const waypoint_t *next = waypoint->nextwaypoints[i];
const angle_t nextAngle = R_PointToAngle2(
waypoint->mobj->x, waypoint->mobj->y,
next->mobj->x, next->mobj->y
);
for (j = 0; j < waypoint->numprevwaypoints; j++)
{
const waypoint_t *prev = waypoint->prevwaypoints[j];
const angle_t prevAngle = R_PointToAngle2(
prev->mobj->x, prev->mobj->y,
waypoint->mobj->x, waypoint->mobj->y
);
delta = max(delta, AngleDelta(nextAngle, prevAngle));
}
}
if (delta > maxDelta)
{
delta = maxDelta;
}
reduce = FixedDiv(delta, maxDelta);
reduce = FRACUNIT + FixedMul(reduce, maxReduce - FRACUNIT);
return FixedMul(radius, reduce);
}
/*--------------------------------------------------
static botprediction_t *K_CreateBotPrediction(player_t *player)
@ -695,6 +749,8 @@ static botprediction_t *K_CreateBotPrediction(player_t *player)
{
for (i = 0; i < pathtofinish.numnodes; i++)
{
fixed_t radius = 0;
wp = (waypoint_t *)pathtofinish.array[i].nodedata;
if (i == 0)
@ -716,9 +772,10 @@ static botprediction_t *K_CreateBotPrediction(player_t *player)
radreduce = FRACUNIT >> 1;
}
if (wp->mobj->radius < smallestradius)
radius = K_GetBotWaypointRadius(wp);
if (radius < smallestradius)
{
smallestradius = wp->mobj->radius;
smallestradius = radius;
}
distanceleft -= disttonext;
@ -1386,7 +1443,7 @@ void K_BuildBotTiccmd(player_t *player, ticcmd_t *cmd)
return;
}
if (botController != NULL && (botController->args[1] & TMBOT_NOCONTROL)) // FIXME: UDMF-ify
if (botController != NULL && (botController->args[1] & TMBOT_NOCONTROL))
{
// Disable bot controls entirely.
return;
@ -1394,7 +1451,7 @@ void K_BuildBotTiccmd(player_t *player, ticcmd_t *cmd)
destangle = player->mo->angle;
if (botController != NULL && (botController->args[1] & TMBOT_FORCEDIR)) // FIXME: UDMF-ify
if (botController != NULL && (botController->args[1] & TMBOT_FORCEDIR))
{
const fixed_t dist = DEFAULT_WAYPOINT_RADIUS * player->mo->scale;