OPC_BaseModel.cpp

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/*
 *  OPCODE - Optimized Collision Detection
 *  Copyright (C) 2001 Pierre Terdiman
 *  Homepage: http://www.codercorner.com/Opcode.htm
 */





// Precompiled Header
#include "Stdafx.h"

using namespace Opcode;


OPCODECREATE::OPCODECREATE()
{
    mIMesh              = null;
    mSettings.mRules    = SPLIT_SPLATTER_POINTS | SPLIT_GEOM_CENTER;
    mSettings.mLimit    = 1;    // Mandatory for complete trees
    mNoLeaf             = true;
    mQuantized          = true;
#ifdef __MESHMERIZER_H__
    mCollisionHull      = false;
#endif // __MESHMERIZER_H__
    mKeepOriginal       = false;
    mCanRemap           = false;
}


BaseModel::BaseModel() : mIMesh(null), mModelCode(0), mSource(null), mTree(null)
{
}


BaseModel::~BaseModel()
{
    ReleaseBase();
}


void BaseModel::ReleaseBase()
{
    DELETESINGLE(mSource);
    DELETESINGLE(mTree);
}


bool BaseModel::CreateTree(bool no_leaf, bool quantized)
{
    DELETESINGLE(mTree);

    // Setup model code
    if(no_leaf)     mModelCode |= OPC_NO_LEAF;
    else            mModelCode &= ~OPC_NO_LEAF;

    if(quantized)   mModelCode |= OPC_QUANTIZED;
    else            mModelCode &= ~OPC_QUANTIZED;

    // Create the correct class
    if(mModelCode & OPC_NO_LEAF)
    {
        if(mModelCode & OPC_QUANTIZED)  mTree = new AABBQuantizedNoLeafTree;
        else                            mTree = new AABBNoLeafTree;
    }
    else
    {
        if(mModelCode & OPC_QUANTIZED)  mTree = new AABBQuantizedTree;
        else                            mTree = new AABBCollisionTree;
    }
    CHECKALLOC(mTree);

    return true;
}


bool BaseModel::Refit()
{
    // Refit the optimized tree
    return mTree->Refit(mIMesh);

// Old code kept for reference : refit the source tree then rebuild !
//  if(!mSource)    return false;
//  // Ouch...
//  mSource->Refit(&mTB);
//  // Ouch...
//  return mTree->Build(mSource);
}