add ode

1 files changed, 234 insertions, 0 deletions

diff --git a/libs/ode-0.16.1/ode/src/collision_transform.cpp b/libs/ode-0.16.1/ode/src/collision_transform.cpp
new file mode 100644
index 0000000..ece3d53
--- /dev/null
+++ b/libs/ode-0.16.1/ode/src/collision_transform.cpp
@@ -0,0 +1,234 @@
+/*************************************************************************
+ *                                                                       *
+ * Open Dynamics Engine, Copyright (C) 2001,2002 Russell L. Smith.       *
+ * All rights reserved.  Email: russ@q12.org   Web: www.q12.org          *
+ *                                                                       *
+ * This library is free software; you can redistribute it and/or         *
+ * modify it under the terms of EITHER:                                  *
+ *   (1) The GNU Lesser General Public License as published by the Free  *
+ *       Software Foundation; either version 2.1 of the License, or (at  *
+ *       your option) any later version. The text of the GNU Lesser      *
+ *       General Public License is included with this library in the     *
+ *       file LICENSE.TXT.                                               *
+ *   (2) The BSD-style license that is included with this library in     *
+ *       the file LICENSE-BSD.TXT.                                       *
+ *                                                                       *
+ * This library is distributed in the hope that it will be useful,       *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the files    *
+ * LICENSE.TXT and LICENSE-BSD.TXT for more details.                     *
+ *                                                                       *
+ *************************************************************************/
+
+/*
+
+geom transform
+
+*/
+
+#include <ode/collision.h>
+#include <ode/rotation.h>
+#include "config.h"
+#include "matrix.h"
+#include "odemath.h"
+#include "collision_transform.h"
+#include "collision_util.h"
+
+#ifdef _MSC_VER
+#pragma warning(disable:4291)  // for VC++, no complaints about "no matching operator delete found"
+#endif
+
+//****************************************************************************
+// dxGeomTransform class
+
+struct dxGeomTransform : public dxGeom {
+    dxGeom *obj;		// object that is being transformed
+    int cleanup;		// 1 to destroy obj when destroyed
+    int infomode;		// 1 to put Tx geom in dContactGeom g1
+
+    // cached final object transform (body tx + relative tx). this is set by
+    // computeAABB(), and it is valid while the AABB is valid.
+    dxPosR transform_posr;
+
+    dxGeomTransform (dSpaceID space);
+    ~dxGeomTransform();
+    void computeAABB();
+    void computeFinalTx();
+};
+/*
+void RunMe()
+{
+printf("sizeof body = %i\n", sizeof(dxBody));
+printf("sizeof geom = %i\n", sizeof(dxGeom));
+printf("sizeof geomtransform = %i\n", sizeof(dxGeomTransform));
+printf("sizeof posr = %i\n", sizeof(dxPosR));
+}
+*/
+
+dxGeomTransform::dxGeomTransform (dSpaceID space) : dxGeom (space,1)
+{
+    type = dGeomTransformClass;
+    obj = 0;
+    cleanup = 0;
+    infomode = 0;
+    dSetZero (transform_posr.pos,4);
+    dRSetIdentity (transform_posr.R);
+}
+
+
+dxGeomTransform::~dxGeomTransform()
+{
+    if (obj && cleanup) delete obj;
+}
+
+
+void dxGeomTransform::computeAABB()
+{
+    if (!obj) {
+        dSetZero (aabb,6);
+        return;
+    }
+
+    // backup the relative pos and R pointers of the encapsulated geom object
+    dxPosR* posr_bak = obj->final_posr;
+
+    // compute temporary pos and R for the encapsulated geom object
+    computeFinalTx();
+    obj->final_posr = &transform_posr;
+
+    // compute the AABB
+    obj->computeAABB();
+    memcpy (aabb,obj->aabb,6*sizeof(dReal));
+
+    // restore the pos and R
+    obj->final_posr = posr_bak;
+}
+
+
+// utility function for dCollideTransform() : compute final pos and R
+// for the encapsulated geom object
+
+void dxGeomTransform::computeFinalTx()
+{
+    dMultiply0_331 (transform_posr.pos,final_posr->R,obj->final_posr->pos);
+    transform_posr.pos[0] += final_posr->pos[0];
+    transform_posr.pos[1] += final_posr->pos[1];
+    transform_posr.pos[2] += final_posr->pos[2];
+    dMultiply0_333 (transform_posr.R,final_posr->R,obj->final_posr->R);
+}
+
+//****************************************************************************
+// collider function:
+// this collides a transformed geom with another geom. the other geom can
+// also be a transformed geom, but this case is not handled specially.
+
+int dCollideTransform (dxGeom *o1, dxGeom *o2, int flags,
+                       dContactGeom *contact, int skip)
+{
+    dIASSERT (skip >= (int)sizeof(dContactGeom));
+    dIASSERT (o1->type == dGeomTransformClass);
+
+    dxGeomTransform *tr = (dxGeomTransform*) o1;
+    if (!tr->obj) return 0;
+    dUASSERT (tr->obj->parent_space==0,
+        "GeomTransform encapsulated object must not be in a space");
+    dUASSERT (tr->obj->body==0,
+        "GeomTransform encapsulated object must not be attached "
+        "to a body");
+
+    // backup the relative pos and R pointers of the encapsulated geom object,
+    // and the body pointer
+    dxPosR *posr_bak = tr->obj->final_posr;
+    dxBody *bodybak = tr->obj->body;
+
+    // compute temporary pos and R for the encapsulated geom object.
+    // note that final_pos and final_R are valid if no GEOM_AABB_BAD flag,
+    // because computeFinalTx() will have already been called in
+    // dxGeomTransform::computeAABB()
+
+    if (tr->gflags & GEOM_AABB_BAD) tr->computeFinalTx();
+    tr->obj->final_posr = &tr->transform_posr;
+    tr->obj->body = o1->body;
+
+    // do the collision
+    int n = dCollide (tr->obj,o2,flags,contact,skip);
+
+    // if required, adjust the 'g1' values in the generated contacts so that
+    // thay indicated the GeomTransform object instead of the encapsulated
+    // object.
+    if (tr->infomode) {
+        for (int i=0; i<n; i++) {
+            dContactGeom *c = CONTACT(contact,skip*i);
+            c->g1 = o1;
+        }
+    }
+
+    // restore the pos, R and body
+    tr->obj->final_posr = posr_bak;
+    tr->obj->body = bodybak;
+    return n;
+}
+
+//****************************************************************************
+// public API
+
+dGeomID dCreateGeomTransform (dSpaceID space)
+{
+    return new dxGeomTransform (space);
+}
+
+
+void dGeomTransformSetGeom (dGeomID g, dGeomID obj)
+{
+    dUASSERT (g && g->type == dGeomTransformClass,
+        "argument not a geom transform");
+    dxGeomTransform *tr = (dxGeomTransform*) g;
+    if (tr->obj && tr->cleanup) delete tr->obj;
+    tr->obj = obj;
+}
+
+
+dGeomID dGeomTransformGetGeom (dGeomID g)
+{
+    dUASSERT (g && g->type == dGeomTransformClass,
+        "argument not a geom transform");
+    dxGeomTransform *tr = (dxGeomTransform*) g;
+    return tr->obj;
+}
+
+
+void dGeomTransformSetCleanup (dGeomID g, int mode)
+{
+    dUASSERT (g && g->type == dGeomTransformClass,
+        "argument not a geom transform");
+    dxGeomTransform *tr = (dxGeomTransform*) g;
+    tr->cleanup = mode;
+}
+
+
+int dGeomTransformGetCleanup (dGeomID g)
+{
+    dUASSERT (g && g->type == dGeomTransformClass,
+        "argument not a geom transform");
+    dxGeomTransform *tr = (dxGeomTransform*) g;
+    return tr->cleanup;
+}
+
+
+void dGeomTransformSetInfo (dGeomID g, int mode)
+{
+    dUASSERT (g && g->type == dGeomTransformClass,
+        "argument not a geom transform");
+    dxGeomTransform *tr = (dxGeomTransform*) g;
+    tr->infomode = mode;
+}
+
+
+int dGeomTransformGetInfo (dGeomID g)
+{
+    dUASSERT (g && g->type == dGeomTransformClass,
+        "argument not a geom transform");
+    dxGeomTransform *tr = (dxGeomTransform*) g;
+    return tr->infomode;
+}
+