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Diffstat (limited to 'contrib/Opcode/OPC_Model.cpp')
| -rw-r--r-- | contrib/Opcode/OPC_Model.cpp | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/contrib/Opcode/OPC_Model.cpp b/contrib/Opcode/OPC_Model.cpp deleted file mode 100644 index a9e660c..0000000 --- a/contrib/Opcode/OPC_Model.cpp +++ /dev/null @@ -1,222 +0,0 @@ -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -/* - * OPCODE - Optimized Collision Detection - * Copyright (C) 2001 Pierre Terdiman - * Homepage: http://www.codercorner.com/Opcode.htm - */ -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -/** - * Contains code for OPCODE models. - * \file OPC_Model.cpp - * \author Pierre Terdiman - * \date March, 20, 2001 - */ -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -/** - * The main collision wrapper, for all trees. Supported trees are: - * - Normal trees (2*N-1 nodes, full size) - * - No-leaf trees (N-1 nodes, full size) - * - Quantized trees (2*N-1 nodes, half size) - * - Quantized no-leaf trees (N-1 nodes, half size) - * - * Usage: - * - * 1) Create a static mesh interface using callbacks or pointers. (see OPC_MeshInterface.cpp). - * Keep it around in your app, since a pointer to this interface is saved internally and - * used until you release the collision structures. - * - * 2) Build a Model using a creation structure: - * - * \code - * Model Sample; - * - * OPCODECREATE OPCC; - * OPCC.IMesh = ...; - * OPCC.Rules = ...; - * OPCC.NoLeaf = ...; - * OPCC.Quantized = ...; - * OPCC.KeepOriginal = ...; - * bool Status = Sample.Build(OPCC); - * \endcode - * - * 3) Create a tree collider and set it up: - * - * \code - * AABBTreeCollider TC; - * TC.SetFirstContact(...); - * TC.SetFullBoxBoxTest(...); - * TC.SetFullPrimBoxTest(...); - * TC.SetTemporalCoherence(...); - * \endcode - * - * 4) Perform a collision query - * - * \code - * // Setup cache - * static BVTCache ColCache; - * ColCache.Model0 = &Model0; - * ColCache.Model1 = &Model1; - * - * // Collision query - * bool IsOk = TC.Collide(ColCache, World0, World1); - * - * // Get collision status => if true, objects overlap - * BOOL Status = TC.GetContactStatus(); - * - * // Number of colliding pairs and list of pairs - * udword NbPairs = TC.GetNbPairs(); - * const Pair* p = TC.GetPairs() - * \endcode - * - * 5) Stats - * - * \code - * Model0.GetUsedBytes() = number of bytes used for this collision tree - * TC.GetNbBVBVTests() = number of BV-BV overlap tests performed during last query - * TC.GetNbPrimPrimTests() = number of Triangle-Triangle overlap tests performed during last query - * TC.GetNbBVPrimTests() = number of Triangle-BV overlap tests performed during last query - * \endcode - * - * \class Model - * \author Pierre Terdiman - * \version 1.3 - * \date March, 20, 2001 -*/ -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -// Precompiled Header -#include "StdAfx.h" - -using namespace Opcode; - -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -/** - * Constructor. - */ -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -Model::Model() -{ -#ifdef __MESHMERIZER_H__ // Collision hulls only supported within ICE ! - mHull = null; -#endif // __MESHMERIZER_H__ -} - -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -/** - * Destructor. - */ -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -Model::~Model() -{ - Release(); -} - -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -/** - * Releases the model. - */ -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -void Model::Release() -{ - ReleaseBase(); -#ifdef __MESHMERIZER_H__ // Collision hulls only supported within ICE ! - DELETESINGLE(mHull); -#endif // __MESHMERIZER_H__ -} - -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -/** - * Builds a collision model. - * \param create [in] model creation structure - * \return true if success - */ -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -bool Model::Build(const OPCODECREATE& create) -{ - // 1) Checkings - if(!create.mIMesh || !create.mIMesh->IsValid()) return false; - - // For this model, we only support complete trees - if (create.mSettings.mLimit != 1) return SetIceError; // ("OPCODE WARNING: supports complete trees only! Use mLimit = 1.\n", null); - - // Look for degenerate faces. - udword NbDegenerate = create.mIMesh->CheckTopology(); - if(NbDegenerate) Log("OPCODE WARNING: found %d degenerate faces in model! Collision might report wrong results!\n", NbDegenerate); - // We continue nonetheless.... - - Release(); // Make sure previous tree has been discarded [Opcode 1.3, thanks Adam] - - // 1-1) Setup mesh interface automatically [Opcode 1.3] - SetMeshInterface(create.mIMesh); - - // Special case for 1-triangle meshes [Opcode 1.3] - udword NbTris = create.mIMesh->GetNbTriangles(); - if(NbTris==1) - { - // We don't need to actually create a tree here, since we'll only have a single triangle to deal with anyway. - // It's a waste to use a "model" for this but at least it will work. - mModelCode |= OPC_SINGLE_NODE; - return true; - } - - // 2) Build a generic AABB Tree. - mSource = new AABBTree; - CHECKALLOC(mSource); - - // 2-1) Setup a builder. Our primitives here are triangles from input mesh, - // so we use an AABBTreeOfTrianglesBuilder..... - { - AABBTreeOfTrianglesBuilder TB; - TB.mIMesh = create.mIMesh; - TB.mSettings = create.mSettings; - TB.mNbPrimitives = NbTris; - if(!mSource->Build(&TB)) return false; - } - - // 3) Create an optimized tree according to user-settings - if(!CreateTree(create.mNoLeaf, create.mQuantized)) return false; - - // 3-2) Create optimized tree - if(!mTree->Build(mSource)) return false; - - // 3-3) Delete generic tree if needed - if(!create.mKeepOriginal) DELETESINGLE(mSource); - -#ifdef __MESHMERIZER_H__ - // 4) Convex hull - if(create.mCollisionHull) - { - // Create hull - mHull = new CollisionHull; - CHECKALLOC(mHull); - - CONVEXHULLCREATE CHC; - // ### doesn't work with strides - CHC.NbVerts = create.mIMesh->GetNbVertices(); - CHC.Vertices = create.mIMesh->GetVerts(); - CHC.UnifyNormals = true; - CHC.ReduceVertices = true; - CHC.WordFaces = false; - mHull->Compute(CHC); - } -#endif // __MESHMERIZER_H__ - - return true; -} - -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -/** - * Gets the number of bytes used by the tree. - * \return amount of bytes used - */ -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -udword Model::GetUsedBytes() const -{ - if(!mTree) return 0; - return mTree->GetUsedBytes(); -} |