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Added A_CopySpriteFrame(from, to, flags)..

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- Copies a sprite/frame from one actor pointer to another. Sprite and/or frame copying can be disabled with flags CPSF_NO<SPRITE/FRAME>.
This commit is contained in:
MajorCooke 2016-07-24 11:40:05 -05:00 committed by Christoph Oelckers
parent c0eb8f3b96
commit 3d9591229e
3 changed files with 39 additions and 0 deletions
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31
src/thingdef/thingdef_codeptr.cpp
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@ -7188,3 +7188,34 @@ DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_FaceMovementDirection)
ACTION_RETURN_BOOL(true);
}
//==========================================================================
//
// A_CopySpriteFrame(from, to, flags)
//
// Copies the sprite and/or frame from one pointer to another.
//==========================================================================
enum CPSFFlags
{
CPSF_NOSPRITE = 1,
CPSF_NOFRAME = 1 << 1,
};
DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_CopySpriteFrame)
{
PARAM_SELF_PROLOGUE(AActor);
PARAM_INT(from);
PARAM_INT(to);
PARAM_INT_OPT(flags) { flags = 0; }
AActor *copyfrom = COPY_AAPTR(self, from);
AActor *copyto = COPY_AAPTR(self, to);
if (copyfrom == copyto || copyfrom == nullptr || copyto == nullptr || ((flags & CPSF_NOSPRITE) && (flags & CPSF_NOFRAME)))
{
ACTION_RETURN_BOOL(false);
}
if (!(flags & CPSF_NOSPRITE)) copyto->sprite = copyfrom->sprite;
if (!(flags & CPSF_NOFRAME)) copyto->frame = copyfrom->frame;
ACTION_RETURN_BOOL(true);
}

1
wadsrc/static/actors/actor.txt
View file

@ -330,6 +330,7 @@ ACTOR Actor native //: Thinker
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);
action native int A_ClearOverlays(int sstart = 0, int sstop = 0, bool safety = true);
action native bool A_CopySpriteFrame(int from, int to, int flags = 0);
native void A_RearrangePointers(int newtarget, int newmaster = AAPTR_DEFAULT, int newtracer = AAPTR_DEFAULT, int flags=0);
native void A_TransferPointer(int ptr_source, int ptr_recepient, int sourcefield, int recepientfield=AAPTR_DEFAULT, int flags=0);

7
wadsrc/static/actors/constants.txt
View file

@ -667,3 +667,10 @@ enum
GAF_RELATIVE = 1,
GAF_SWITCH = 1 << 1,
};
//Flags for A_CopySpriteFrame
enum
{
CPSF_NOSPRITE = 1,
CPSF_NOFRAME = 1 << 1,
};