C4ObjectAction.cpp File Reference

#include "C4Include.h"
#include "C4ForbidLibraryCompilation.h"
#include "object/C4Object.h"
#include "game/C4Physics.h"
#include "landscape/C4MaterialList.h"
#include "landscape/C4PXS.h"
#include "object/C4Command.h"
#include "object/C4Def.h"
#include "object/C4MeshAnimation.h"
#include "object/C4ObjectCom.h"
#include "platform/C4SoundSystem.h"

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Functions
void	GrabLost (C4Object *cObj, C4Object *prev_target)
bool	ReduceLineSegments (C4Shape &rShape, bool fAlternate)
void	StopActionDelayCommand (C4Object *cobj)
void	Towards (C4Real &val, C4Real target, C4Real step)

Function Documentation

GrabLost()

void GrabLost	(	C4Object *	cObj,
		C4Object *	prev_target
	)

Definition at line 34 of file C4ObjectAction.cpp.

{
    // Grab lost script call on target (quite hacky stuff...)
    if (prev_target && prev_target->Status) prev_target->Call(PSF_GrabLost);
    // Clear commands down to first PushTo (if any) in command stack
    for (C4Command *pCom=cObj->Command; pCom; pCom=pCom->Next)
        if (pCom->Next && pCom->Next->Command==C4CMD_PushTo)
        {
            cObj->ClearCommand(pCom);
            break;
        }
}

References C4CMD_PushTo, C4PropList::Call(), C4Object::ClearCommand(), C4Object::Command, C4Command::Next, PSF_GrabLost, and C4PropList::Status.

Referenced by C4Object::NoAttachAction().

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ReduceLineSegments()

bool ReduceLineSegments	(	C4Shape &	rShape,
		bool	fAlternate
	)

Definition at line 76 of file C4ObjectAction.cpp.

{
    // try if line could go by a path directly when skipping on evertex. If fAlternate is true, try by skipping two vertices
    for (int32_t cnt=0; cnt+2+fAlternate<rShape.VtxNum; cnt++)
        if (PathFree(rShape.VtxX[cnt],rShape.VtxY[cnt],
                     rShape.VtxX[cnt+2+fAlternate],rShape.VtxY[cnt+2+fAlternate]))
        {
            if (fAlternate) rShape.RemoveVertex(cnt+2);
            rShape.RemoveVertex(cnt+1);
            return true;
        }
    return false;
}

References PathFree(), C4Shape::RemoveVertex(), C4Shape::VtxNum, C4Shape::VtxX, and C4Shape::VtxY.

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StopActionDelayCommand()

void StopActionDelayCommand

(

C4Object *

cobj

)

Definition at line 90 of file C4ObjectAction.cpp.

{
    ObjectComStop(cobj);
    cobj->AddCommand(C4CMD_Wait,nullptr,0,0,50);
}

References C4Object::AddCommand(), C4CMD_Wait, and ObjectComStop().

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Towards()

void Towards	(	C4Real &	val,
		C4Real	target,
		C4Real	step
	)

Definition at line 96 of file C4ObjectAction.cpp.

{
    if (val==target) return;
    if (Abs(val-target)<=step) { val=target; return; }
    if (val<target) val+=step; else val-=step;
}

References Abs().

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