script GRAPPLE_GETUNUSEDTID (int mode, int fromItem)
{
int newTID = TIDSTART;
switch (mode)
{
case 0:
while (ThingCount(0, newTID) > 0)
{
newTID++;
}
if (fromItem)
{
GiveInventory("ItemGrappleTID", newTID);
}
else
{
GiveInventory("GrappleTIDIndicator", newTID);
}
Thing_ChangeTID(0, newTID);
break;
case 1:
if (fromItem)
{
SetResultValue(CheckInventory("ItemGrappleTID"));
}
else
{
SetResultValue(CheckInventory("GrappleTIDIndicator"));
}
break;
case 2:
while (ThingCount(0, newTID) > 0)
{
newTID++;
}
if (fromItem)
{
GiveInventory("ItemGrappleTID", newTID);
}
else
{
GiveInventory("GrappleTIDIndicator", newTID);
}
Thing_ChangeTID(0, newTID);
SetResultValue(newTID);
break;
}
}
script GRAPPLE_DRAWLINE (int grappleTid, int playerTid, int density)
{
int plX; int plY; int plZ;
int grX; int grY; int grZ;
int vX; int vY; int vZ;
int nX; int nY; int nZ;
int bX; int bY; int bZ;
int magnitude;
int pointCount;
int pointOffset;
if (ThingCount(0, grappleTid) != 1)
{
terminate;
}
if (ThingCount(0, playerTid) != 1)
{
terminate;
}
plX = GetActorX(playerTid); grX = GetActorX(grappleTid);
plY = GetActorY(playerTid); grY = GetActorY(grappleTid);
plZ = GetActorZ(playerTid) + 2400000; grZ = GetActorZ(grappleTid);
vX = grX - plX; vY = grY - plY; vZ = grZ - plZ;
// NOTE: More precision bullshit
magnitude = magnitudeThree(vX >> 16, vY >> 16, vZ >> 16);
pointCount = magnitude / density;
pointOffset = magnitude - (pointCount * density);
if (magnitude != 0)
{
nX = vX / magnitude; nY = vY / magnitude; nZ = vZ / magnitude;
int i; int j;
for (i = 0; i < pointCount; i++)
{
j = (i * density) + pointOffset;
bX = (nX * j) + plX;
bY = (nY * j) + plY;
bZ = (nZ * j) + plZ;
Spawn("GrapplePoint", bX, bY, bZ);
}
}
}
script GRAPPLE_REEL (int grappleTid, int strength, int firetype)
{
int nX; int nY; int nZ;
int plX; int plY; int plZ;
int vX; int vY; int vZ;
int velX; int velY; int velZ;
int breakLoop = false;
int magnitude;
int pln = PlayerNumber();
int playerTid = ActivatorTID();
if (playerTid == 0) // can we give him a TID without breaking anything?
{
playerTid = unusedTID(TIDSTART, -1);
Thing_ChangeTID(0, playerTid);
}
// if not, then okay, just use the one he has already
int grX = GetActorX(grappleTid);
int grY = GetActorY(grappleTid);
int grZ = GetActorZ(grappleTid);
while (!breakLoop)
{
if (ThingCount(0, grappleTID) != 1)
{
break;
}
plX = GetActorX(0); plY = GetActorY(0); plZ = GetActorZ(0);
vX = grX - plX; vY = grY - plY; vZ = grZ - plZ;
// NOTE: I had to drop precision here in exchange for not overflowing
magnitude = magnitudeThree(vX >> 16, vY >> 16, vZ >> 16);
if (magnitude != 0)
{
nX = vX / magnitude; nY = vY / magnitude; nZ = vZ / magnitude;
ACS_ExecuteAlways(GRAPPLE_DRAWLINE, 0, grappleTid, playerTid, 16);
}
else
{
nX = 0; nY = 0; nZ = 0;
}
SetActorVelocity(0, nX*strength, nY*strength, nZ*strength, true, true);
if (CheckInventory("Grappling") == 0)
{ breakLoop = true; }
Delay(1);
}
Thing_Remove(grappleTid);
}
static int CmdThingCount(void)
{
int tid;
tid = Pop();
ThingCount(Pop(), tid);
return SCRIPT_CONTINUE;
}
static int CmdThingCountDirect(void)
{
int type;
type = LONG(*PCodePtr);
++PCodePtr;
ThingCount(type, LONG(*PCodePtr));
++PCodePtr;
return SCRIPT_CONTINUE;
}
script GRAPPLE_HOOK (int strength, int firetype)
{
int playerInput;
int myX; int myY; int myZ;
int firerPln = ACS_ExecuteWithResult(GETFIRERPLN, 0,0,0);
int projTid = PROJOFFSET+firerPln;
while (ThingCount(0, projTid) > 0)
{
projTid++;
}
Thing_ChangeTID(0, projTid);
SetActivatorToTarget(0);
while (ThingCount(0, projTid) > 0)
{
myX = GetActorX(projTid);
myY = GetActorY(projTid);
myZ = GetActorZ(projTid);
playerInput = GetPlayerInput(-1, MODINPUT_BUTTONS);
switch (firetype)
{
case 0:
if (!(GetPlayerInput(-1, MODINPUT_BUTTONS) & BT_ALTATTACK))
{
Thing_Remove(projTid);
Spawn("GuaranteedTeleportFog", myX, myY, myZ-20.0);
terminate;
}
break;
case 1:
if (!(GetPlayerInput(-1, MODINPUT_BUTTONS) & BT_ATTACK))
{
Thing_Remove(projTid);
Spawn("GuaranteedTeleportFog", myX, myY, myZ-20.0);
terminate;
}
break;
case 2:
if (CheckInventory("InventoryToggle"))
{
Thing_Remove(projTid);
Spawn("GuaranteedTeleportFog", myX, myY, myZ-20.0);
terminate;
}
break;
}
Delay(1);
}
Spawn("GrappleSpot", myX, myY, myZ, projTid);
ACS_ExecuteAlways(GRAPPLE_REEL, 0, projTid, strength, firetype);
}