C4TransferZones Class Reference

#include <C4TransferZone.h>

Collaboration diagram for C4TransferZones:

Public Member Functions
	C4TransferZones ()
	~C4TransferZones ()
void	Default ()
void	Clear ()
void	ClearUsed ()
void	ClearPointers (C4Object *pObj)
void	Draw (C4TargetFacet &cgo)
void	Synchronize ()
C4TransferZone *	Find (C4Object *pObj)
C4TransferZone *	Find (int32_t iX, int32_t iY)
bool	Add (int32_t iX, int32_t iY, int32_t iWdt, int32_t iHgt, C4Object *pObj)
bool	Set (int32_t iX, int32_t iY, int32_t iWdt, int32_t iHgt, C4Object *pObj)

Protected Member Functions
int32_t	RemoveNullZones ()

Protected Attributes
C4TransferZone *	First

Detailed Description

Definition at line 41 of file C4TransferZone.h.

Constructor & Destructor Documentation

C4TransferZones()

C4TransferZones::C4TransferZones

(

)

Definition at line 39 of file C4TransferZone.cpp.

{
    Default();
}

References Default().

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~C4TransferZones()

C4TransferZones::~C4TransferZones

(

)

Definition at line 44 of file C4TransferZone.cpp.

{
    Clear();
}

References Clear().

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Member Function Documentation

Add()

bool C4TransferZones::Add	(	int32_t	iX,
		int32_t	iY,
		int32_t	iWdt,
		int32_t	iHgt,
		C4Object *	pObj
	)

Definition at line 89 of file C4TransferZone.cpp.

{
    C4TransferZone *pZone;
    // Allocate and add new zone
    pZone = new C4TransferZone;
    pZone->X=iX; pZone->Y=iY;
    pZone->Wdt=iWdt; pZone->Hgt=iHgt;
    pZone->Object=pObj;
    pZone->Next=First;
    First=pZone;
    // Success
    return true;
}

References First, C4TransferZone::Hgt, C4TransferZone::Next, C4TransferZone::Object, C4TransferZone::Wdt, C4TransferZone::X, and C4TransferZone::Y.

Referenced by Set().

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Clear()

void C4TransferZones::Clear

(

)

Definition at line 54 of file C4TransferZone.cpp.

{
    C4TransferZone *pZone,*pNext;
    for (pZone=First; pZone; pZone=pNext) { pNext=pZone->Next; delete pZone; }
    First=nullptr;
}

References First, and C4TransferZone::Next.

Referenced by C4Game::Clear(), C4Game::LoadScenarioSection(), Synchronize(), and ~C4TransferZones().

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ClearPointers()

void C4TransferZones::ClearPointers

(

C4Object *

pObj

)

Definition at line 61 of file C4TransferZone.cpp.

{
    // Clear object pointers
    for (C4TransferZone *pZone=First; pZone; pZone=pZone->Next)
        if (pZone->Object==pObj)
            pZone->Object=nullptr;
    // Remove cleared zones immediately
    RemoveNullZones();
}

References First, C4TransferZone::Next, and RemoveNullZones().

Referenced by C4Game::ClearPointers(), Set(), and C4Object::StatusDeactivate().

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ClearUsed()

void C4TransferZones::ClearUsed

(

)

Definition at line 202 of file C4TransferZone.cpp.

{
    for (C4TransferZone *pZone=First; pZone; pZone=pZone->Next)
        pZone->Used=false;
}

References First, and C4TransferZone::Next.

Default()

void C4TransferZones::Default

(

)

Definition at line 49 of file C4TransferZone.cpp.

{
    First=nullptr;
}

References First.

Referenced by C4TransferZones(), and C4Game::Default().

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Draw()

void C4TransferZones::Draw

(

C4TargetFacet &

cgo

)

Definition at line 118 of file C4TransferZone.cpp.

{
    for (C4TransferZone *pZone=First; pZone; pZone=pZone->Next)
        pZone->Draw(cgo);
}

References First, and C4TransferZone::Next.

Referenced by C4PathFinder::Draw().

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Find() [1/2]

C4TransferZone * C4TransferZones::Find

(

C4Object *

pObj

)

Definition at line 208 of file C4TransferZone.cpp.

{
    for (C4TransferZone *pZone=First; pZone; pZone=pZone->Next)
        if (pZone->Object==pObj)
            return pZone;
    return nullptr;
}

References First, and C4TransferZone::Next.

Referenced by C4PathFinderRay::Execute(), C4PathFinderRay::PathFree(), Set(), and C4Command::Transfer().

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Find() [2/2]

C4TransferZone * C4TransferZones::Find	(	int32_t	iX,
		int32_t	iY
	)

Definition at line 109 of file C4TransferZone.cpp.

{
    for (C4TransferZone *pZone=First; pZone; pZone=pZone->Next)
        if (Inside<int32_t>(iX-pZone->X,0,pZone->Wdt-1))
            if (Inside<int32_t>(iY-pZone->Y,0,pZone->Hgt-1))
                return pZone;
    return nullptr;
}

References First, and C4TransferZone::Next.

RemoveNullZones()

int32_t C4TransferZones::RemoveNullZones ( )

protected

Definition at line 138 of file C4TransferZone.cpp.

{
    int32_t iResult=0;
    C4TransferZone *pZone,*pNext,*pPrev=nullptr;
    for (pZone=First; pZone; pZone=pNext)
    {
        pNext=pZone->Next;
        if (!pZone->Object)
        {
            delete pZone;
            if (pPrev) pPrev->Next=pNext;
            else First=pNext;
            iResult++;
        }
        else
            pPrev=pZone;
    }
    return iResult;
}

References First, iResult, C4TransferZone::Next, and C4TransferZone::Object.

Referenced by ClearPointers().

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Set()

bool C4TransferZones::Set	(	int32_t	iX,
		int32_t	iY,
		int32_t	iWdt,
		int32_t	iHgt,
		C4Object *	pObj
	)

Definition at line 71 of file C4TransferZone.cpp.

{
    C4TransferZone *pZone;
    // Empty zone: clear existing object zones
    if (!iWdt || !iHgt) { ClearPointers(pObj); return true; }
    // Update existing zone
    if ((pZone=Find(pObj)))
    {
        pZone->X=iX; pZone->Y=iY;
        pZone->Wdt=iWdt; pZone->Hgt=iHgt;
    }
    // Allocate and add new zone
    else
        Add(iX,iY,iWdt,iHgt,pObj);
    // Success
    return true;
}

References Add(), ClearPointers(), Find(), C4TransferZone::Hgt, C4TransferZone::Wdt, C4TransferZone::X, and C4TransferZone::Y.

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Synchronize()

void C4TransferZones::Synchronize

(

)

Definition at line 103 of file C4TransferZone.cpp.

{
    Clear();
    ::Objects.OnSynchronized();
}

References Clear(), Objects, and C4GameObjects::OnSynchronized().

Referenced by C4Game::Synchronize().

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Member Data Documentation

First

C4TransferZone* C4TransferZones::First

protected

Definition at line 48 of file C4TransferZone.h.

Referenced by Add(), Clear(), ClearPointers(), ClearUsed(), Default(), Draw(), Find(), and RemoveNullZones().

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The documentation for this class was generated from the following files:

• C4TransferZone.h
• C4TransferZone.cpp