ATreeManager Class Reference

#include <ATreeManager.h>

Inheritance diagram for ATreeManager:

Classes
class	Model
struct	TreeInstance

Public Member Functions
	ATreeManager ()
	~ATreeManager ()
TBOOL	Initialise ()
void	CreateInstances (ATerrainLocatorList *a_pLocatorList)
void	Render ()

Static Public Attributes
static constexpr TINT	MAX_INSTANCES = 1302

Detailed Description

Definition at line 8 of file ATreeManager.h.

Constructor & Destructor Documentation

ATreeManager()

ATreeManager::ATreeManager

(

)

Definition at line 21 of file ATreeManager.cpp.

    : m_pTrunks( TNULL )
    , m_pFOBs( TNULL )
    , m_bFlag( TFALSE )
    , m_bCreateCollision( TTRUE )
    , m_fUnk1( 30.0f )
    , m_fUnk2( 110.0f )
    , m_fUnk3( 98.0f )
{
    // TODO: initialise other members
}

~ATreeManager()

ATreeManager::~ATreeManager

(

)

Definition at line 33 of file ATreeManager.cpp.

{
}

Member Function Documentation

CreateInstances()

void ATreeManager::CreateInstances

(

ATerrainLocatorList *

a_pLocatorList

)

Definition at line 169 of file ATreeManager.cpp.

{
    TVALIDPTR( a_pLocatorList );
 
    TASSERT( m_pFOBs != TNULL && m_pTrunks != TNULL );
 
    struct LocatorInfo
    {
        TINT         iIndex;
        const TCHAR* szName;
        TBOOL        bHasCollision;
    } aLocators[] = {
        { 3, "tree02", TTRUE },
        { 5, "tree03", TTRUE },
        { 4, "tree05", TTRUE },
        { 1, "fob2", TTRUE },
        { 1, "fobw", TTRUE },
        { 1, "busha", TFALSE },
        { 6, "treewall2", TTRUE },
        { 6, "treewall", TTRUE },
        { 2, "treelittle", TFALSE },
        { 3, "tree_bent", TTRUE },
        { 4, "tree_standard", TTRUE },
        { 5, "tree_tall", TTRUE },
        { 6, "treewall_sim", TTRUE },
        { 0, "fob_bens", TTRUE },
        { 7, "fob_pond", TTRUE },
    };
 
    // Initialise transform that is going to be used for each of the tree
    TMatrix44 matGlobalTransform;
    matGlobalTransform.m_f11 = 1.0f;
    matGlobalTransform.m_f12 = 0.0f;
    matGlobalTransform.m_f13 = 0.0f;
    matGlobalTransform.m_f14 = 0.0f;
    matGlobalTransform.m_f21 = 0.0f;
    matGlobalTransform.m_f22 = 0.0f;
    matGlobalTransform.m_f23 = 1.0f;
    matGlobalTransform.m_f24 = 0.0f;
    matGlobalTransform.m_f31 = 0.0f;
    matGlobalTransform.m_f32 = -1.0f;
    matGlobalTransform.m_f33 = 0.0f;
    matGlobalTransform.m_f34 = 0.0f;
    matGlobalTransform.m_f41 = 0.0f;
    matGlobalTransform.m_f42 = 0.0f;
    matGlobalTransform.m_f43 = 0.0f;
    matGlobalTransform.m_f44 = 1.0f;
 
    TINT iNumCollisionObjects = 0;
    TINT iNumLocators         = a_pLocatorList->GetNumLocators();
 
    if ( iNumLocators > 0 )
    {
        TBOOL aFlags[ MAX_INSTANCES - 2 ];
        TINT  aUnk[ MAX_INSTANCES ];
 
        TBOOL* pFlag = aFlags;
        TINT*  pUnk  = aUnk;
 
        ATerrainLocatorTRBHeader* pLocatorHeader = a_pLocatorList->GetHeader();
        ATerrainLocator*          pLocators      = pLocatorHeader->pLocators;
 
        for ( TINT i = 0; i < iNumLocators; i++ )
        {
            const TCHAR* pchLocatorName = pLocatorHeader->ppNames[ pLocators[ i ].uiNameId ];
            TVALIDPTR( pchLocatorName );
 
            for ( TINT k = 0; k < TARRAYSIZE( aLocators ); k++ )
            {
                if ( !TStringManager::String8CompareNoCase(
                         aLocators[ k ].szName,
                         pchLocatorName,
                         TStringManager::String8Length( aLocators[ k ].szName )
                     ) )
                {
                    // This locator is valid, so let's create a tree instance now
                    if ( m_llFreeTreeInstances.IsEmpty() )
                    {
                        TERROR( "ATreeManager::CreateInstances - Failed to create all instances due to not having empty instance slots!\n" );
                        break;
                    }
 
                    TINT  iIndex        = aLocators[ k ].iIndex;
                    TBOOL bHasCollision = TFALSE;
 
                    // TODO: figure out this hell
                    if ( m_bFlag && m_pTrunks[ iIndex ].m_pManagedModel == TNULL )
                    {
                        *pFlag = TTRUE;
                        iNumCollisionObjects += 1;
                    }
                    else if ( pLocators[ i ].iFlags2 < 0 )
                    {
                        *pFlag = TFALSE;
                    }
                    else
                    {
                        *pFlag = TTRUE;
                        iNumCollisionObjects += 1;
                        bHasCollision = TTRUE;
                    }
 
                    // Move cursors
                    pUnk++;
                    pFlag++;
 
                    // Create the instance object
                    TreeInstance* pTreeInstance = m_llFreeTreeInstances.PopFront();
 
                    TMatrix44 matLocatorTransform;
                    pLocators[ i ].GetMatrix( matLocatorTransform );
 
                    TMatrix44 matFinalTransform;
                    matFinalTransform.Multiply( matGlobalTransform, matLocatorTransform );
 
                    // Initialise the instance object
                    pTreeInstance->iTreeIndex = iIndex;
 
                    // Get flags for this instance
                    if ( iIndex == 7 )
                    // force for "fob_pond"
                    {
                        pTreeInstance->bFlag1 = TTRUE;
                        pTreeInstance->bFlag2 = TTRUE;
                    }
                    else
                    // get flags based on the locator name
                    {
                        TINT iLocatorNameLength = TStringManager::String8Length( pchLocatorName );
 
                        if ( iLocatorNameLength >= 4 && pchLocatorName[ iLocatorNameLength - 4 ] == '_' )
                        {
                            if ( pchLocatorName[ iLocatorNameLength - 3 ] == 'b' &&
                                 pchLocatorName[ iLocatorNameLength - 2 ] == 'r' &&
                                 pchLocatorName[ iLocatorNameLength - 2 ] == 'n' )
                            // barn?
                            {
                                pTreeInstance->bFlag1 = TTRUE;
                            }
                            else if ( pchLocatorName[ iLocatorNameLength - 3 ] == 'd' && pchLocatorName[ iLocatorNameLength - 2 ] == 'k' && pchLocatorName[ iLocatorNameLength - 2 ] == 'g' )
                            // dankweed pond and some 'g'?
                            {
                                pTreeInstance->bFlag2 = TTRUE;
                            }
                        }
                    }
 
                    pTreeInstance->uiLocatorId  = TUINT16( i );
                    pTreeInstance->pLocatorList = a_pLocatorList;
                    pTreeInstance->uiUnk3       = 255;
                    m_llUsedTreeInstances.PushBack( pTreeInstance );
 
                    TTODO( "Spawn FOBs, create collisions and probably something else, idk..." );
 
                    break;
                }
            }
        }
    }
}

Initialise()

TBOOL ATreeManager::Initialise

(

)

Definition at line 38 of file ATreeManager.cpp.

{
    TASSERT( m_pTrunks == TNULL && m_pFOBs == TNULL );
 
    const TCHAR szFOBBoneName[] = "FOB";
 
    // Create tree trunks
    {
        struct ModelInfo
        {
            const TCHAR* szModelName;
            TINT         iIndex;
        } aModels[] = {
            { "", 6 },
            { "", 0 },
            { "data\\models\\treelittle.trb", 1 },
            { "data\\models\\tree_bent_trunk.trb", 2 },
            { "data\\models\\tree_standard_trunk.trb", 3 },
            { "data\\models\\tree_tall_trunk.trb", 4 },
            { "data\\models\\treewall_sim_trunks.trb", 5 },
            { "", 7 }
        };
 
        m_iNumTrunks = TARRAYSIZE( aModels );
        m_pTrunks    = new Model[ m_iNumTrunks ];
 
        for ( TINT i = 0; i < m_iNumTrunks; i++ )
        {
            const TCHAR* pchModelName = aModels[ i ].szModelName;
            Model*       pTreeModel   = &m_pTrunks[ i ];
 
            pTreeModel->m_uiID = aModels[ i ].iIndex;
 
            if ( pchModelName[ 0 ] == '\0' )
            // No model specified for this trunk
            {
                pTreeModel->m_iNumFOBs     = 1;
                pTreeModel->m_pFOBMatrices = new TMatrix44[ 1 ];
                pTreeModel->m_pFOBMatrices[ 0 ].Identity();
                pTreeModel->m_fUnk1   = 0.0f;
                pTreeModel->m_fRadius = 1.6f;
 
                if ( i != 1 ) // ?
                    pTreeModel->m_fRadius = 4.4f;
            }
            else
            // This is definetely a tree trunk and it HAS a model
            {
                // Load the model
                pTreeModel->Load( pchModelName );
 
                // Do some other setups
                TModel* pModel = pTreeModel->m_pManagedModel->GetModel();
                TASSERT( pModel->GetNumLODs() >= 1 );
 
                pTreeModel->m_fUnk1   = -pModel->GetLOD( 0 ).BoundingSphere.GetOrigin().z;
                pTreeModel->m_fRadius = pModel->GetLOD( 0 ).BoundingSphere.GetRadius() * 1.5f;
 
                TSkeletonInstance* pSkeletonInstance = pTreeModel->m_pSceneObject->GetInstance()->GetSkeletonInstance();
                TSkeleton*         pSkeleton         = pSkeletonInstance->GetSkeleton();
 
                // Count number of FOBs (foliage objects)
                pTreeModel->m_iNumFOBs = 0;
                for ( TINT i = 0; i < pSkeleton->GetBoneCount(); i++ )
                {
                    if ( !TStringManager::String8CompareNoCase( pSkeleton->GetBone( i )->GetName(), szFOBBoneName, TARRAYSIZE( szFOBBoneName ) - 1 ) )
                    // Name of the bone starts with FOB
                    {
                        pTreeModel->m_iNumFOBs += 1;
                    }
                }
 
                // Create matrices for FOBs
                TINT iCurrentFOB           = 0;
                pTreeModel->m_pFOBMatrices = new TMatrix44[ pTreeModel->m_iNumFOBs ];
                for ( TINT i = 0; i < pSkeleton->GetBoneCount(); i++ )
                {
                    if ( !TStringManager::String8CompareNoCase( pSkeleton->GetBone( i )->GetName(), szFOBBoneName, TARRAYSIZE( szFOBBoneName ) - 1 ) )
                    // Name of the bone starts with FOB
                    {
                        pTreeModel->m_pFOBMatrices[ iCurrentFOB++ ] = pSkeletonInstance->GetBoneTransformCurrent( i );
                    }
                }
            }
        }
    }
 
    // Create foliage objects
    {
        const TCHAR* aFOBModelNames[] = {
            "data\\models\\busha.trb",
            "data\\models\\busha_LOD1.trb",
            "data\\models\\foblittle.trb",
            TNULL,
            "data\\models\\tree_bent_fob.trb",
            TNULL,
            "data\\models\\tree_standard_fob.trb",
            TNULL,
            "data\\models\\tree_tall_fob.trb",
            TNULL,
            "data\\models\\treewall_sim_fobs.trb",
            TNULL,
            "data\\models\\fob_bens.trb",
            TNULL,
            "data\\models\\Fob_pond.trb",
            TNULL
        };
 
        m_iNumFOBs = TARRAYSIZE( aFOBModelNames );
        m_pFOBs    = new Model[ m_iNumFOBs ];
 
        for ( TINT i = 0; i < m_iNumFOBs; i++ )
        {
            if ( const TCHAR* pchModelName = aFOBModelNames[ i ] )
            {
                // Load the model
                m_pFOBs[ i ].Load( pchModelName );
            }
        }
    }
 
    // Add all tree instances to the list of free instances
    for ( TINT i = 0; i < MAX_INSTANCES; i++ )
    {
        m_llFreeTreeInstances.PushFront( &m_aTreeInstances[ i ] );
    }
 
    return TTRUE;
}

Render()

void ATreeManager::Render

(

)

Definition at line 331 of file ATreeManager.cpp.

{
    TASSERT( TFALSE );
    TRenderContext* pRenderContext = TRenderInterface::GetSingleton()->GetCurrentContext();
 
    TMatrix44 matModelView = pRenderContext->GetModelViewMatrix();
    TMatrix44 matLightDir  = TRenderInterface::GetSingleton()->GetLightDirection();
 
    // something with field9_0x18
    // ...
}

Member Data Documentation

MAX_INSTANCES

TINT ATreeManager::MAX_INSTANCES = 1302

inlinestaticconstexpr

Definition at line 52 of file ATreeManager.h.

---

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

• D:/_dev/OpenBarnyard/Source/OpenBarnyard/Source/Helpers/ATreeManager.h
• D:/_dev/OpenBarnyard/Source/OpenBarnyard/Source/Helpers/ATreeManager.cpp