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Remove diffx/y/z from polywaypoint_t, since they're always 0 anyway

This commit is contained in:
MascaraSnake 2020-05-13 14:40:07 +02:00
parent aa16bd22f9
commit b561ee7921
3 changed files with 15 additions and 33 deletions
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37
src/p_polyobj.c
View File

@ -1573,7 +1573,7 @@ void T_PolyObjWaypoint(polywaypoint_t *th)
{
mobj_t *target = NULL;
mobj_t *waypoint = NULL;
fixed_t adjustx, adjusty, adjustz;
fixed_t pox, poy, poz;
fixed_t momx, momy, momz, dist;
INT32 start;
polyobj_t *po = Polyobj_GetForNum(th->polyObjNum);
@ -1602,32 +1602,31 @@ void T_PolyObjWaypoint(polywaypoint_t *th)
return;
}
// Compensate for position offset
adjustx = po->centerPt.x + th->diffx;
adjusty = po->centerPt.y + th->diffy;
adjustz = po->lines[0]->backsector->floorheight + (po->lines[0]->backsector->ceilingheight - po->lines[0]->backsector->floorheight)/2 + th->diffz;
pox = po->centerPt.x;
poy = po->centerPt.y;
poz = (po->lines[0]->backsector->floorheight + po->lines[0]->backsector->ceilingheight)/2;
dist = P_AproxDistance(P_AproxDistance(target->x - adjustx, target->y - adjusty), target->z - adjustz);
dist = P_AproxDistance(P_AproxDistance(target->x - pox, target->y - poy), target->z - poz);
if (dist < 1)
dist = 1;
momx = FixedMul(FixedDiv(target->x - adjustx, dist), (th->speed));
momy = FixedMul(FixedDiv(target->y - adjusty, dist), (th->speed));
momz = FixedMul(FixedDiv(target->z - adjustz, dist), (th->speed));
momx = FixedMul(FixedDiv(target->x - pox, dist), th->speed);
momy = FixedMul(FixedDiv(target->y - poy, dist), th->speed);
momz = FixedMul(FixedDiv(target->z - poz, dist), th->speed);
// Calculate the distance between the polyobject and the waypoint
// 'dist' already equals this.
// Will the polyobject be FURTHER away if the momx/momy/momz is added to
// its current coordinates, or closer? (shift down to fracunits to avoid approximation errors)
if (dist>>FRACBITS <= P_AproxDistance(P_AproxDistance(target->x - adjustx - momx, target->y - adjusty - momy), target->z - adjustz - momz)>>FRACBITS)
if (dist>>FRACBITS <= P_AproxDistance(P_AproxDistance(target->x - pox - momx, target->y - poy - momy), target->z - poz - momz)>>FRACBITS)
{
// If further away, set XYZ of polyobject to waypoint location
fixed_t amtx, amty, amtz;
fixed_t diffz;
amtx = (target->x - th->diffx) - po->centerPt.x;
amty = (target->y - th->diffy) - po->centerPt.y;
amtx = target->x - po->centerPt.x;
amty = target->y - po->centerPt.y;
Polyobj_moveXY(po, amtx, amty, true);
// TODO: use T_MovePlane
amtz = (po->lines[0]->backsector->ceilingheight - po->lines[0]->backsector->floorheight)/2;
@ -1694,14 +1693,14 @@ void T_PolyObjWaypoint(polywaypoint_t *th)
// calculate MOMX/MOMY/MOMZ for next waypoint
// change slope
dist = P_AproxDistance(P_AproxDistance(target->x - adjustx, target->y - adjusty), target->z - adjustz);
dist = P_AproxDistance(P_AproxDistance(target->x - pox, target->y - poy), target->z - poz);
if (dist < 1)
dist = 1;
momx = FixedMul(FixedDiv(target->x - adjustx, dist), (th->speed));
momy = FixedMul(FixedDiv(target->y - adjusty, dist), (th->speed));
momz = FixedMul(FixedDiv(target->z - adjustz, dist), (th->speed));
momx = FixedMul(FixedDiv(target->x - pox, dist), th->speed);
momy = FixedMul(FixedDiv(target->y - poy, dist), th->speed);
momz = FixedMul(FixedDiv(target->z - poz, dist), th->speed);
}
else
{
@ -2215,12 +2214,6 @@ boolean EV_DoPolyObjWaypoint(polywaypointdata_t *pwdata)
if (!last)
last = first;
// Set diffx, diffy, diffz
// Put these at 0 for now...might not be needed after all.
th->diffx = 0;//first->x - po->centerPt.x;
th->diffy = 0;//first->y - po->centerPt.y;
th->diffz = 0;//first->z - (po->lines[0]->backsector->floorheight + (po->lines[0]->backsector->ceilingheight - po->lines[0]->backsector->floorheight)/2);
if (last->x == po->centerPt.x
&& last->y == po->centerPt.y
&& last->z == (po->lines[0]->backsector->floorheight + (po->lines[0]->backsector->ceilingheight - po->lines[0]->backsector->floorheight)/2))

5
src/p_polyobj.h
View File

@ -154,11 +154,6 @@ typedef struct polywaypoint_s
UINT8 continuous; // continuously move - used with COMEBACK or WRAP
UINT8 stophere; // Will stop after it reaches the next waypoint
// Difference between location of PO and location of waypoint (offset)
fixed_t diffx;
fixed_t diffy;
fixed_t diffz;
mobj_t *target; // next waypoint mobj
} polywaypoint_t;

6
src/p_saveg.c
View File

@ -2023,9 +2023,6 @@ static void SavePolywaypointThinker(const thinker_t *th, UINT8 type)
WRITEUINT8(save_p, ht->wrap);
WRITEUINT8(save_p, ht->continuous);
WRITEUINT8(save_p, ht->stophere);
WRITEFIXED(save_p, ht->diffx);
WRITEFIXED(save_p, ht->diffy);
WRITEFIXED(save_p, ht->diffz);
WRITEUINT32(save_p, SaveMobjnum(ht->target));
}
@ -3168,9 +3165,6 @@ static inline thinker_t* LoadPolywaypointThinker(actionf_p1 thinker)
ht->wrap = READUINT8(save_p);
ht->continuous = READUINT8(save_p);
ht->stophere = READUINT8(save_p);
ht->diffx = READFIXED(save_p);
ht->diffy = READFIXED(save_p);
ht->diffz = READFIXED(save_p);
ht->target = LoadMobj(READUINT32(save_p));
return &ht->thinker;
}