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- Added offset and angle parameters to A_CheckBlock.

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- Includes 2 flags, affixed by CBF_: AbsolutePos, and AbsoluteAngle.
- AbsolutePos: Absolute position of where to check.
- AbsoluteAngle: Angle parameter is used as is, not added onto the actor's current angle.
This commit is contained in:
MajorCooke 2016-03-10 12:54:23 -06:00 committed by Christoph Oelckers
parent 0d1fbcf65f
commit b16e696157
3 changed files with 52 additions and 4 deletions
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52
src/thingdef/thingdef_codeptr.cpp
View file

@ -6696,14 +6696,20 @@ enum CBF
CBF_SETONPTR = 1 << 4, //Sets the pointer change on the actor doing the checking instead of self.
CBF_DROPOFF = 1 << 5, //Check for dropoffs.
CBF_NOACTORS = 1 << 6, //Don't check actors.
CBF_ABSOLUTEPOS = 1 << 7, //Absolute position for offsets.
CBF_ABSOLUTEANGLE = 1 << 8, //Absolute angle for offsets.
};
DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_CheckBlock)
{
PARAM_ACTION_PROLOGUE;
PARAM_STATE(block)
PARAM_INT_OPT(flags) { flags = 0; }
PARAM_INT_OPT(ptr) { ptr = AAPTR_DEFAULT; }
PARAM_INT_OPT(flags) { flags = 0; }
PARAM_INT_OPT(ptr) { ptr = AAPTR_DEFAULT; }
PARAM_FIXED_OPT(xofs) { xofs = 0; }
PARAM_FIXED_OPT(yofs) { yofs = 0; }
PARAM_FIXED_OPT(zofs) { zofs = 0; }
PARAM_ANGLE_OPT(angle) { angle = 0; }
AActor *mobj = COPY_AAPTR(self, ptr);
@ -6713,8 +6719,48 @@ DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_CheckBlock)
ACTION_RETURN_STATE(NULL);
}
if (!(flags & CBF_ABSOLUTEANGLE))
{
angle += self->angle;
}
angle_t ang = angle >> ANGLETOFINESHIFT;
fixedvec3 oldpos = mobj->Pos();
fixedvec3 pos;
if (flags & CBF_ABSOLUTEPOS)
{
pos.x = xofs;
pos.y = yofs;
pos.z = zofs;
}
else
{
pos = mobj->Vec3Offset(
FixedMul(xofs, finecosine[ang]) + FixedMul(yofs, finesine[ang]),
FixedMul(xofs, finesine[ang]) - FixedMul(yofs, finecosine[ang]),
mobj->Z() + zofs);
}
// Next, try checking the position based on the sensitivity desired.
// If checking for dropoffs, set the z so we can have maximum flexibility.
// Otherwise, set origin and set it back after testing.
bool checker = false;
if (flags & CBF_DROPOFF)
{
mobj->SetZ(pos.z);
checker = P_CheckMove(mobj, pos.x, pos.y);
mobj->SetZ(oldpos.z);
}
else
{
mobj->SetOrigin(pos, true);
checker = P_TestMobjLocation(mobj);
mobj->SetOrigin(oldpos, true);
}
//Nothing to block it so skip the rest.
bool checker = (flags & CBF_DROPOFF) ? P_CheckMove(mobj, mobj->X(), mobj->Y()) : P_TestMobjLocation(mobj);
if (checker)
{
ACTION_RETURN_STATE(NULL);

2
wadsrc/static/actors/actor.txt
View file

@ -317,7 +317,7 @@ ACTOR Actor native //: Thinker
action native A_SetRipMax(int maximum);
action native A_SetChaseThreshold(int threshold, bool def = false, int ptr = AAPTR_DEFAULT);
action native state A_CheckProximity(state jump, class<Actor> classname, float distance, int count = 1, int flags = 0, int ptr = AAPTR_DEFAULT);
action native state A_CheckBlock(state block, int flags = 0, int ptr = AAPTR_DEFAULT);
action native state A_CheckBlock(state block, int flags = 0, int ptr = AAPTR_DEFAULT, float xofs = 0, float yofs = 0, float zofs = 0, float angle = 0);
action native state A_CheckSightOrRange(float distance, state label, bool two_dimension = false);
action native state A_CheckRange(float distance, state label, bool two_dimension = false);
action native bool A_FaceMovementDirection(float offset = 0, float anglelimit = 0, float pitchlimit = 0, int flags = 0, int ptr = AAPTR_DEFAULT);

2
wadsrc/static/actors/constants.txt
View file

@ -527,6 +527,8 @@ enum
CBF_SETONPTR = 1 << 4, //Sets the pointer change on the actor doing the checking instead of self.
CBF_DROPOFF = 1 << 5, //Check for dropoffs.
CBF_NOACTORS = 1 << 6, //Don't check actors.
CBF_ABSOLUTEPOS = 1 << 7, //Absolute position for offsets.
CBF_ABSOLUTEANGLE = 1 << 8, //Absolute angle for offsets.
};
enum