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CShipTable.cpp
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// CShipTable.cpp
//
// CShipTable object
#include "PreComp.h"
#define ESCORTS_TAG CONSTLIT("Escorts")
#define GROUP_TAG CONSTLIT("Group")
#define INITIAL_DATA_TAG CONSTLIT("InitialData")
#define ITEMS_TAG CONSTLIT("Items")
#define LEVEL_TABLE_TAG CONSTLIT("LevelTable")
#define LOOKUP_TAG CONSTLIT("Lookup")
#define NAMES_TAG CONSTLIT("Names")
#define NULL_TAG CONSTLIT("Null")
#define ON_CREATE_TAG CONSTLIT("OnCreate")
#define SHIP_TAG CONSTLIT("Ship")
#define SHIPS_TAG CONSTLIT("Ships")
#define TABLE_TAG CONSTLIT("Table")
#define BUILD_ATTRIB CONSTLIT("build")
#define CHANCE_ATTRIB CONSTLIT("chance")
#define CLASS_ATTRIB CONSTLIT("class")
#define CONTROLLER_ATTRIB CONSTLIT("controller")
#define COUNT_ATTRIB CONSTLIT("count")
#define EVENT_HANDLER_ATTRIB CONSTLIT("eventHandler")
#define ITEM_TABLE_ATTRIB CONSTLIT("itemTable")
#define LEVEL_FREQUENCY_ATTRIB CONSTLIT("levelFrequency")
#define MAX_SHIPS_ATTRIB CONSTLIT("maxShips")
#define NAME_ATTRIB CONSTLIT("name")
#define ORDERS_ATTRIB CONSTLIT("orders")
#define PATROL_DIST_ATTRIB CONSTLIT("patrolDist")
#define SOVEREIGN_ATTRIB CONSTLIT("sovereign")
#define TABLE_ATTRIB CONSTLIT("table")
#define UNID_ATTRIB CONSTLIT("unid")
class CLevelTableOfShipGenerators : public IShipGenerator
{
public:
virtual ~CLevelTableOfShipGenerators (void);
virtual void AddTypesUsed (TSortMap<DWORD, bool> *retTypesUsed);
virtual void CreateShips (SShipCreateCtx &Ctx);
virtual Metric GetAverageLevelStrength (int iLevel);
virtual ALERROR LoadFromXML (SDesignLoadCtx &Ctx, CXMLElement *pDesc);
virtual ALERROR OnDesignLoadComplete (SDesignLoadCtx &Ctx);
virtual ALERROR ValidateForRandomEncounter (void);
private:
struct SEntry
{
SEntry (void) :
pEntry(NULL),
iChance(0)
{ }
IShipGenerator *pEntry;
CString sLevelFrequency;
int iChance;
};
DiceRange m_Count;
TArray<SEntry> m_Table;
int m_iComputedLevel;
int m_iTotalChance;
};
class CLookupShipTable : public IShipGenerator
{
public:
virtual void AddTypesUsed (TSortMap<DWORD, bool> *retTypesUsed);
virtual void CreateShips (SShipCreateCtx &Ctx);
virtual Metric GetAverageLevelStrength (int iLevel) { return m_Count.GetAveValueFloat() * m_pTable->GetAverageLevelStrength(iLevel); }
virtual ALERROR LoadFromXML (SDesignLoadCtx &Ctx, CXMLElement *pDesc);
virtual ALERROR OnDesignLoadComplete (SDesignLoadCtx &Ctx);
private:
DiceRange m_Count; // Number of ships to create
CShipTableRef m_pTable;
};
class CNullShip : public IShipGenerator
{
};
class CSingleShip : public IShipGenerator
{
public:
CSingleShip (void);
virtual ~CSingleShip (void);
virtual void AddTypesUsed (TSortMap<DWORD, bool> *retTypesUsed);
virtual void CreateShips (SShipCreateCtx &Ctx);
virtual Metric GetAverageLevelStrength (int iLevel);
virtual ALERROR LoadFromXML (SDesignLoadCtx &Ctx, CXMLElement *pDesc);
virtual ALERROR OnDesignLoadComplete (SDesignLoadCtx &Ctx);
virtual ALERROR ValidateForRandomEncounter (void);
private:
void CreateShip (SShipCreateCtx &Ctx,
CSovereign *pSovereign,
const CVector &vPos,
CSpaceObject *pExitGate,
CShip **retpShip = NULL);
DiceRange m_Count; // Number of ships to create
int m_iMaxCountInSystem; // Do not exceed this number of ship of this class in system (or -1)
CShipClassRef m_pShipClass; // Ship class to create
CSovereignRef m_pSovereign; // Sovereign
CString m_sShipName; // Name of ship
DWORD m_dwShipNameFlags; // Flags for ship name
IItemGenerator *m_pItems; // Random table of items (or NULL)
IShipGenerator *m_pEscorts; // Random table of escorts (or NULL)
CAttributeDataBlock m_InitialData; // Initial data for ship
ICCItem *m_pOnCreate; // Create call
bool m_bBuild = false; // If TRUE, build on Ctx.pBase instead of gating in
CDesignTypeRef<CDesignType> m_pOverride; // Override (event handler)
CString m_sController; // Controller to use (or "" to use default)
IShipController::OrderTypes m_iOrder; // Ship order
IShipController::SData m_OrderData; // Order data
};
class CTableOfShipGenerators : public IShipGenerator
{
public:
CTableOfShipGenerators (void) : m_iTotalChance(0) { }
virtual ~CTableOfShipGenerators (void);
virtual void AddTypesUsed (TSortMap<DWORD, bool> *retTypesUsed);
virtual void CreateShips (SShipCreateCtx &Ctx);
virtual Metric GetAverageLevelStrength (int iLevel);
virtual ALERROR LoadFromXML (SDesignLoadCtx &Ctx, CXMLElement *pDesc);
virtual ALERROR OnDesignLoadComplete (SDesignLoadCtx &Ctx);
virtual ALERROR ValidateForRandomEncounter (void);
private:
struct SEntry
{
SEntry (void) :
pEntry(NULL),
iChance(0)
{ }
IShipGenerator *pEntry;
int iChance;
};
DiceRange m_Count;
TArray<SEntry> m_Table;
int m_iTotalChance;
};
class CGroupOfShipGenerators : public IShipGenerator
{
public:
CGroupOfShipGenerators (void) : m_Table(NULL) { }
virtual ~CGroupOfShipGenerators (void);
virtual void AddTypesUsed (TSortMap<DWORD, bool> *retTypesUsed);
virtual void CreateShips (SShipCreateCtx &Ctx);
virtual Metric GetAverageLevelStrength (int iLevel);
virtual ALERROR LoadFromXML (SDesignLoadCtx &Ctx, CXMLElement *pDesc);
virtual ALERROR OnDesignLoadComplete (SDesignLoadCtx &Ctx);
virtual ALERROR ValidateForRandomEncounter (void);
private:
struct SEntry
{
IShipGenerator *pEntry;
int iChance;
};
DiceRange m_Count;
int m_iTableCount;
SEntry *m_Table;
};
ALERROR IShipGenerator::CreateFromXML (SDesignLoadCtx &Ctx, CXMLElement *pDesc, IShipGenerator **retpGenerator)
// CreateFromXML
//
// Creates a new generator
{
ALERROR error;
IShipGenerator *pGenerator = NULL;
if (strEquals(pDesc->GetTag(), SHIP_TAG))
pGenerator = new CSingleShip;
else if (strEquals(pDesc->GetTag(), TABLE_TAG))
pGenerator = new CTableOfShipGenerators;
else if (strEquals(pDesc->GetTag(), LEVEL_TABLE_TAG))
pGenerator = new CLevelTableOfShipGenerators;
else if (strEquals(pDesc->GetTag(), GROUP_TAG)
|| strEquals(pDesc->GetTag(), SHIPS_TAG)
|| strEquals(pDesc->GetTag(), ESCORTS_TAG))
pGenerator = new CGroupOfShipGenerators;
else if (strEquals(pDesc->GetTag(), NULL_TAG))
pGenerator = new CNullShip;
else if (strEquals(pDesc->GetTag(), LOOKUP_TAG))
pGenerator = new CLookupShipTable;
else
{
Ctx.sError = strPatternSubst(CONSTLIT("Unknown ship generator: %s"), pDesc->GetTag());
return ERR_FAIL;
}
if (error = pGenerator->LoadFromXML(Ctx, pDesc))
{
if (pGenerator)
delete pGenerator;
return error;
}
*retpGenerator = pGenerator;
return NOERROR;
}
ALERROR IShipGenerator::CreateFromXMLAsGroup (SDesignLoadCtx &Ctx, CXMLElement *pDesc, IShipGenerator **retpGenerator)
// CreateFromXMLAsGroup
//
// Creates a new generator
{
ALERROR error;
IShipGenerator *pGenerator = new CGroupOfShipGenerators;
if (error = pGenerator->LoadFromXML(Ctx, pDesc))
{
if (pGenerator)
delete pGenerator;
return error;
}
*retpGenerator = pGenerator;
return NOERROR;
}
// CShipTable ----------------------------------------------------------------
CShipTable::CShipTable (void) :
m_pGenerator(NULL)
// CShipTable constructor
{
}
CShipTable::~CShipTable (void)
// CShipTable destructor
{
if (m_pGenerator)
delete m_pGenerator;
}
ALERROR CShipTable::OnBindDesign (SDesignLoadCtx &Ctx)
// OnBindDesign
//
// Bind design
{
ALERROR error;
if (m_pGenerator)
{
if (error = m_pGenerator->OnDesignLoadComplete(Ctx))
{
Ctx.sError = strPatternSubst(CONSTLIT("ShipTable (%x): %s"), GetUNID(), Ctx.sError);
return error;
}
}
return NOERROR;
}
ALERROR CShipTable::OnCreateFromXML (SDesignLoadCtx &Ctx, CXMLElement *pDesc)
// OnCreateFromXML
//
// Create from XML
{
ALERROR error;
CXMLElement *pElement = pDesc->GetContentElement(0);
if (pElement)
{
if (error = IShipGenerator::CreateFromXML(Ctx, pElement, &m_pGenerator))
return ComposeLoadError(Ctx, Ctx.sError);
}
return NOERROR;
}
// CLevelTableOfShipGenerators ---------------------------------------------------------------
CLevelTableOfShipGenerators::~CLevelTableOfShipGenerators (void)
// CLevelTableOfShipGenerators destructor
{
int i;
for (i = 0; i < m_Table.GetCount(); i++)
if (m_Table[i].pEntry)
delete m_Table[i].pEntry;
}
void CLevelTableOfShipGenerators::AddTypesUsed (TSortMap<DWORD, bool> *retTypesUsed)
// AddTypesUsed
//
// Adds types used by the table
{
int i;
for (i = 0; i < m_Table.GetCount(); i++)
if (m_Table[i].pEntry)
m_Table[i].pEntry->AddTypesUsed(retTypesUsed);
}
void CLevelTableOfShipGenerators::CreateShips (SShipCreateCtx &Ctx)
// CreateShips
//
// Create the ships
{
DEBUG_TRY
int i, j;
// Compute probabilities
int iLevel = Ctx.pSystem->GetLevel();
if (iLevel != m_iComputedLevel)
{
m_iTotalChance = 0;
for (i = 0; i < m_Table.GetCount(); i++)
{
m_Table[i].iChance = GetFrequencyByLevel(m_Table[i].sLevelFrequency, iLevel);
m_iTotalChance += m_Table[i].iChance;
}
m_iComputedLevel = iLevel;
}
// Generate
if (m_iTotalChance)
{
int iCount = m_Count.Roll();
for (i = 0; i < iCount; i++)
{
int iRoll = mathRandom(1, m_iTotalChance);
for (j = 0; j < m_Table.GetCount(); j++)
{
iRoll -= m_Table[j].iChance;
if (iRoll <= 0)
{
m_Table[j].pEntry->CreateShips(Ctx);
break;
}
}
}
}
DEBUG_CATCH
}
Metric CLevelTableOfShipGenerators::GetAverageLevelStrength (int iLevel)
// GetAverageLevelStrength
//
// Returns average strength of ships created by generator (using iLevel as the
// standard).
{
int i;
Metric rCount = m_Count.GetAveValueFloat();
// Compute the table for this level.
Metric rTotal = 0.0;
int iTotalChance = 0;
for (i = 0; i < m_Table.GetCount(); i++)
{
int iChance = GetFrequencyByLevel(m_Table[i].sLevelFrequency, iLevel);
iTotalChance += iChance;
}
for (i = 0; i < m_Table.GetCount(); i++)
{
int iChance = GetFrequencyByLevel(m_Table[i].sLevelFrequency, iLevel);
if (iChance > 0)
rTotal += (rCount * m_Table[i].pEntry->GetAverageLevelStrength(iLevel) * (Metric)iChance / (Metric)iTotalChance);
}
// Done
return rTotal;
}
ALERROR CLevelTableOfShipGenerators::LoadFromXML (SDesignLoadCtx &Ctx, CXMLElement *pDesc)
// LoadFromXML
//
// Load descriptor
{
int i;
ALERROR error;
m_Count.LoadFromXML(pDesc->GetAttribute(COUNT_ATTRIB));
if (m_Count.IsEmpty())
m_Count.SetConstant(1);
for (i = 0; i < pDesc->GetContentElementCount(); i++)
{
CXMLElement *pEntry = pDesc->GetContentElement(i);
SEntry *pNewEntry = m_Table.Insert();
pNewEntry->sLevelFrequency = pEntry->GetAttribute(LEVEL_FREQUENCY_ATTRIB);
if (error = IShipGenerator::CreateFromXML(Ctx, pEntry, &pNewEntry->pEntry))
return error;
}
m_iComputedLevel = -1;
return NOERROR;
}
ALERROR CLevelTableOfShipGenerators::OnDesignLoadComplete (SDesignLoadCtx &Ctx)
// OnDesignLoadComplete
//
// Design load done
{
ALERROR error;
int i;
m_iComputedLevel = -1;
for (i = 0; i < m_Table.GetCount(); i++)
{
if (error = m_Table[i].pEntry->OnDesignLoadComplete(Ctx))
return error;
}
return NOERROR;
}
ALERROR CLevelTableOfShipGenerators::ValidateForRandomEncounter (void)
// ValidateForRandomEncounter
//
// Make sure the generator is valid for a ship table
{
ALERROR error;
int i;
for (i = 0; i < m_Table.GetCount(); i++)
{
if (error = m_Table[i].pEntry->ValidateForRandomEncounter())
return error;
}
return NOERROR;
}
// CLookupShipTable ----------------------------------------------------------
void CLookupShipTable::AddTypesUsed (TSortMap<DWORD, bool> *retTypesUsed)
// AddTypesUsed
//
// Adds types used by the table
{
if (m_pTable)
m_pTable->AddTypesUsed(retTypesUsed);
}
void CLookupShipTable::CreateShips (SShipCreateCtx &Ctx)
// CreateShip
//
// Create ships
{
DEBUG_TRY
int i;
if (m_pTable)
{
int iCount = m_Count.Roll();
for (i = 0; i < iCount; i++)
m_pTable->CreateShips(Ctx);
}
DEBUG_CATCH
}
ALERROR CLookupShipTable::LoadFromXML (SDesignLoadCtx &Ctx, CXMLElement *pDesc)
// LoadFromXML
//
// Load from XML
{
ALERROR error;
m_Count.LoadFromXML(pDesc->GetAttribute(COUNT_ATTRIB));
if (m_Count.IsEmpty())
m_Count.SetConstant(1);
if (error = m_pTable.LoadUNID(Ctx, pDesc->GetAttribute(TABLE_ATTRIB)))
return error;
if (m_pTable.GetUNID() == 0)
{
Ctx.sError = strPatternSubst(CONSTLIT("<Lookup> element missing table attribute."));
return ERR_FAIL;
}
return NOERROR;
}
ALERROR CLookupShipTable::OnDesignLoadComplete (SDesignLoadCtx &Ctx)
// OnDesignLoadComplete
//
// Resolve references
{
ALERROR error;
if (error = m_pTable.Bind(Ctx))
return error;
return NOERROR;
}
// CSingleShip ---------------------------------------------------------------
CSingleShip::CSingleShip (void) :
m_pItems(NULL),
m_pEscorts(NULL),
m_pOnCreate(NULL)
// CSingleShip constructor
{
}
CSingleShip::~CSingleShip (void)
// CSingleShip destructor
{
if (m_pItems)
delete m_pItems;
if (m_pEscorts)
delete m_pEscorts;
if (m_pOnCreate)
m_pOnCreate->Discard(&g_pUniverse->GetCC());
}
void CSingleShip::AddTypesUsed (TSortMap<DWORD, bool> *retTypesUsed)
// AddTypesUsed
//
// Adds types used by the table
{
retTypesUsed->SetAt(m_pShipClass->GetUNID(), true);
if (m_pItems)
m_pItems->AddTypesUsed(retTypesUsed);
if (m_pEscorts)
m_pEscorts->AddTypesUsed(retTypesUsed);
}
void CSingleShip::CreateShip (SShipCreateCtx &Ctx,
CSovereign *pSovereign,
const CVector &vPos,
CSpaceObject *pExitGate,
CShip **retpShip)
// CreateShip
//
// Creates a single ship
{
DEBUG_TRY
int i;
ASSERT(m_pShipClass);
ASSERT(pSovereign);
DWORD dwClass = m_pShipClass->GetUNID();
// If we've got a maximum, then see if we've already got too many ships of this
// ship class.
if (m_iMaxCountInSystem > 0)
{
int iMaxShips = m_iMaxCountInSystem;
for (i = 0; i < Ctx.pSystem->GetObjectCount(); i++)
{
CSpaceObject *pObj = Ctx.pSystem->GetObject(i);
if (pObj && pObj->GetClassUNID() == dwClass)
{
if (--iMaxShips == 0)
{
if (retpShip)
*retpShip = NULL;
return;
}
}
}
}
// Prepare the context block
SShipGeneratorCtx GeneratorCtx;
if (!m_sShipName.IsBlank())
{
GeneratorCtx.sName = ::GenerateRandomName(m_sShipName, NULL_STR);
GeneratorCtx.dwNameFlags = m_dwShipNameFlags;
}
GeneratorCtx.pItems = m_pItems;
GeneratorCtx.InitialData = m_InitialData;
GeneratorCtx.pOnCreate = m_pOnCreate;
GeneratorCtx.dwCreateFlags = Ctx.dwFlags;
GeneratorCtx.iOrder = m_iOrder;
GeneratorCtx.OrderData = m_OrderData;
GeneratorCtx.pBase = Ctx.pBase;
GeneratorCtx.pTarget = Ctx.pTarget;
// For orders that need a base, if we don't have a base, then use the exit
// gate instead. This is to handle case where we come here from sysCreateShip
// and we don't get a chance to set Ctx.pBase.
if (Ctx.pBase == NULL && Ctx.pGate != NULL)
{
switch (m_iOrder)
{
case IShipController::orderEscort:
case IShipController::orderFollow:
case IShipController::orderGateOnThreat:
case IShipController::orderGuard:
case IShipController::orderMine:
case IShipController::orderPatrol:
case IShipController::orderSentry:
GeneratorCtx.pBase = Ctx.pGate;
break;
}
}
// Get the controller
IShipController *pController = g_pUniverse->CreateShipController(m_sController);
if (pController == NULL)
{
kernelDebugLogPattern("Cannot create ship %x; invalid controller: %s", dwClass, m_sController);
if (retpShip)
*retpShip = NULL;
return;
}
// Create the ship
CShip *pShip;
if (Ctx.pSystem->CreateShip(dwClass,
pController,
(m_pOverride ? m_pOverride : Ctx.pOverride),
pSovereign,
vPos,
NullVector,
mathRandom(0, 359),
pExitGate,
&GeneratorCtx,
&pShip) != NOERROR)
{
kernelDebugLogPattern("Error creating ship: %x", dwClass);
if (retpShip)
*retpShip = NULL;
return;
}
// Add to result list, if necessary
if (Ctx.dwFlags & SShipCreateCtx::RETURN_RESULT)
Ctx.Result.Add(pShip);
// Add encounter info, if necessary
if (Ctx.pEncounterInfo)
pShip->SetEncounterInfo(Ctx.pEncounterInfo);
// If this ship has escorts then create them as well
if (m_pEscorts)
{
// If the ship has changed its position, then the escorts should not
// appear at a gate. [This happens when an override handler moves the
// ship at create time to make the ship appear near the player.]
CSpaceObject *pEscortGate = pExitGate;
if (pExitGate == NULL || (pExitGate->GetPos() - pShip->GetPos()).Length2() > (LIGHT_SECOND * LIGHT_SECOND))
pEscortGate = pShip;
else
pEscortGate = pExitGate;
// Create escorts
SShipCreateCtx ECtx;
ECtx.pSystem = Ctx.pSystem;
ECtx.vPos = vPos;
ECtx.pBase = pShip;
ECtx.pTarget = Ctx.pTarget;
ECtx.pGate = pEscortGate;
ECtx.dwFlags = 0;
if (Ctx.dwFlags & SShipCreateCtx::RETURN_ESCORTS)
ECtx.dwFlags |= SShipCreateCtx::RETURN_RESULT | SShipCreateCtx::RETURN_ESCORTS;
m_pEscorts->CreateShips(ECtx);
// Add to the results, if necessary
if (Ctx.dwFlags & SShipCreateCtx::RETURN_ESCORTS)
{
// We can guarantee that these escorts are not already on the list
// (since we just created them), so we can add them without
// checking.
Ctx.Result.FastAdd(ECtx.Result);
}
}
// Done
if (retpShip)
*retpShip = pShip;
DEBUG_CATCH_MSG1("Crash in CSingleShip::CreateShips: ship class: %08x", m_pShipClass.GetUNID());
}
void CSingleShip::CreateShips (SShipCreateCtx &Ctx)
// CreateShips
//
// Create the ships
{
DEBUG_TRY
int i;
ASSERT(Ctx.pSystem);
// Figure out the sovereign
CSovereign *pSovereign;
if (m_pSovereign)
pSovereign = m_pSovereign;
else if (Ctx.pBase)
pSovereign = Ctx.pBase->GetSovereign();
else if (Ctx.pBaseSovereign)
pSovereign = Ctx.pBaseSovereign;
else
{
ASSERT(false);
kernelDebugLogPattern("Unable to create ships: no sovereign specified");
return;
}
// Figure out override
CDesignType *pOverride = Ctx.pOverride;
if (m_pOverride)
pOverride = m_pOverride;
// Figure out the creation position of the ship
CSpaceObject *pGate;
CVector vCenter;
if (pOverride && pOverride->FireGetCreatePos(Ctx.pBase, Ctx.pTarget, &pGate, &vCenter))
;
else
{
if (pGate = Ctx.pGate)
{
// If we want to build instead of gate, change the gate source.
// NOTE: This is only valid if we have a valid Ctx.pGate because
// our callers don't always want the ship to appear at a gate
// (e.g., at create-time).
if (m_bBuild && Ctx.pBase)
pGate = Ctx.pBase;
vCenter = pGate->GetPos();
}
else
vCenter = Ctx.vPos;
}
// Create all the ships
int iCount = m_Count.Roll();
for (i = 0; i < iCount; i++)
{
// Generate a position
CVector vPos = vCenter + ::PolarToVector(mathRandom(0, 359), Ctx.PosSpread.Roll() * LIGHT_SECOND);
// Create the ship
CreateShip(Ctx,
pSovereign,
vPos,
pGate);
}
DEBUG_CATCH
}
Metric CSingleShip::GetAverageLevelStrength (int iLevel)
// GetAverageLevelStrength
//
// Returns average strength of ships created by generator (using iLevel as the
// standard).
{
// Compute based on the level of the ship relative to the input level.
Metric rTotal = m_Count.GetAveValueFloat() * ::CalcLevelDiffStrength(m_pShipClass->GetLevel() - iLevel);
// Add any escorts
if (m_pEscorts)
rTotal += m_pEscorts->GetAverageLevelStrength(iLevel);
// Done
return rTotal;
}
ALERROR CSingleShip::LoadFromXML (SDesignLoadCtx &Ctx, CXMLElement *pDesc)
// LoadFromXML
//
// Load descriptor
{
ALERROR error;
// Load some data
m_sController = pDesc->GetAttribute(CONTROLLER_ATTRIB);
m_iMaxCountInSystem = pDesc->GetAttributeInteger(MAX_SHIPS_ATTRIB);
m_Count.LoadFromXML(pDesc->GetAttribute(COUNT_ATTRIB));
if (m_Count.IsEmpty())
m_Count.SetConstant(1);
// Load name
CXMLElement *pNames = pDesc->GetContentElementByTag(NAMES_TAG);
if (pNames)
{
m_sShipName = pNames->GetContentText(0);
m_dwShipNameFlags = CLanguage::LoadNameFlags(pNames);
}
else
{
m_sShipName = pDesc->GetAttribute(NAME_ATTRIB);
m_dwShipNameFlags = 0;
}
// Load references to other design elements
if (error = m_pShipClass.LoadUNID(Ctx, pDesc->GetAttribute(CLASS_ATTRIB)))
return error;
if (m_pShipClass.GetUNID() == 0)
{
Ctx.sError = CONSTLIT("Invalid or missing ship class.");
return ERR_FAIL;
}
if (error = m_pSovereign.LoadUNID(Ctx, pDesc->GetAttribute(SOVEREIGN_ATTRIB)))
return error;
if (error = m_pOverride.LoadUNID(Ctx, pDesc->GetAttribute(EVENT_HANDLER_ATTRIB)))
return error;
// Load OnCreate code
CXMLElement *pHandler = pDesc->GetContentElementByTag(ON_CREATE_TAG);
if (pHandler)
{
m_pOnCreate = g_pUniverse->GetCC().Link(pHandler->GetContentText(0));
if (m_pOnCreate->IsError())
{
Ctx.sError = strPatternSubst("<OnCreate> in <Ship>: &s", m_pOnCreate->GetStringValue());
return ERR_FAIL;
}
}
// Load orders
if (!IShipController::ParseOrderString(pDesc->GetAttribute(ORDERS_ATTRIB), &m_iOrder, &m_OrderData))
{
Ctx.sError = strPatternSubst("Invalid order: %s", pDesc->GetAttribute(ORDERS_ATTRIB));
return ERR_FAIL;
}
// If we have no orders, warn
#ifdef DEBUG
if (g_pUniverse->InDebugMode()
&& m_iOrder == IShipController::orderNone
&& Ctx.pType
&& Ctx.pType->GetType() != designShipTable
&& m_pOverride.GetUNID() == 0
&& m_pOnCreate == NULL
&& m_sController.IsBlank())
{
::kernelDebugLogPattern("%s (%08x): Warning: Ship in table has no orders.", Ctx.pType->GetNounPhrase(), Ctx.pType->GetUNID());
}
#endif
// For backwards compatibility, handle patrol distance
switch (m_iOrder)
{
case IShipController::orderPatrol:
if (m_OrderData.AsInteger() == 0)
m_OrderData = IShipController::SData(pDesc->GetAttributeIntegerBounded(PATROL_DIST_ATTRIB, 1, -1, 1));
break;
}
// Load items
DWORD dwItemTableUNID;
CXMLElement *pItems = pDesc->GetContentElementByTag(ITEMS_TAG);
if (pItems)
{
if (error = IItemGenerator::CreateFromXML(Ctx, pItems, &m_pItems))
return error;
}
else if (pDesc->FindAttributeInteger(ITEM_TABLE_ATTRIB, (int *)&dwItemTableUNID))
{
if (dwItemTableUNID == 0)
{
Ctx.sError = strPatternSubst(CONSTLIT("Must specify a valid item table UNID: %s"), pDesc->GetAttribute(ITEM_TABLE_ATTRIB));
return ERR_FAIL;
}
if (error = IItemGenerator::CreateLookupTable(Ctx, dwItemTableUNID, &m_pItems))
return error;
}
else
m_pItems = NULL;
// Load initial data
CXMLElement *pInitialData = pDesc->GetContentElementByTag(INITIAL_DATA_TAG);
if (pInitialData)
m_InitialData.SetFromXML(pInitialData);
// Load escorts