Commit: 7165db53f2663b78749019ff791816c36e6182e6
Author: Sybren A. Stüvel
Date: Wed Jan 21 18:42:24 2015 +0100
Branches: master
https://developer.blender.org/rB7165db53f2663b78749019ff791816c36e6182e6
Cleanup of BGE code CcdPhysicsEnvironment::CallbackTriggers()
Refactored some code to be easier to read. Semantically the code is
identical.
- Some conditions were negated to be able to return/continue early,
rather than having the majority of the code inside an if-body.
- Conditions were simplified (!(a == b)) turned into (a != b);
repeated conditions calculated only once.
- Unnecessary variables and one unnecessary condition were
eliminated.
Reviewers: campbellbarton, lordloki
Reviewed By: lordloki
Projects: #game_physics
Differential Revision: https://developer.blender.org/D954
===================================================================
M source/gameengine/Physics/Bullet/CcdPhysicsEnvironment.cpp
===================================================================
diff --git a/source/gameengine/Physics/Bullet/CcdPhysicsEnvironment.cpp
b/source/gameengine/Physics/Bullet/CcdPhysicsEnvironment.cpp
index 38e7df6..2046ad0 100644
--- a/source/gameengine/Physics/Bullet/CcdPhysicsEnvironment.cpp
+++ b/source/gameengine/Physics/Bullet/CcdPhysicsEnvironment.cpp
@@ -2251,64 +2251,61 @@ bool
CcdPhysicsEnvironment::RequestCollisionCallback(PHY_IPhysicsController* ctr
void CcdPhysicsEnvironment::CallbackTriggers()
{
- if (m_triggerCallbacks[PHY_OBJECT_RESPONSE] || (m_debugDrawer &&
(m_debugDrawer->getDebugMode() & btIDebugDraw::DBG_DrawContactPoints)))
- {
- //walk over all overlapping pairs, and if one of the involved
bodies is registered for trigger callback, perform callback
- btDispatcher* dispatcher = m_dynamicsWorld->getDispatcher();
- int numManifolds = dispatcher->getNumManifolds();
- for (int i=0;i<numManifolds;i++)
- {
- btPersistentManifold* manifold =
dispatcher->getManifoldByIndexInternal(i);
- int numContacts = manifold->getNumContacts();
- if (numContacts)
- {
- const btRigidBody* rb0 = static_cast<const
btRigidBody*>(manifold->getBody0());
- const btRigidBody* rb1 = static_cast<const
btRigidBody*>(manifold->getBody1());
- if (m_debugDrawer &&
(m_debugDrawer->getDebugMode() & btIDebugDraw::DBG_DrawContactPoints))
- {
- for (int j=0;j<numContacts;j++)
- {
- btVector3 color(1,0,0);
- const btManifoldPoint& cp =
manifold->getContactPoint(j);
- if (m_debugDrawer)
-
m_debugDrawer->drawContactPoint(cp.m_positionWorldOnB,cp.m_normalWorldOnB,cp.getDistance(),cp.getLifeTime(),color);
- }
- }
- const btRigidBody* obj0 = rb0;
- const btRigidBody* obj1 = rb1;
+ bool draw_contact_points = m_debugDrawer &&
(m_debugDrawer->getDebugMode() & btIDebugDraw::DBG_DrawContactPoints);
- //m_internalOwner is set in
'addPhysicsController'
- CcdPhysicsController* ctrl0 =
static_cast<CcdPhysicsController*>(obj0->getUserPointer());
- CcdPhysicsController* ctrl1 =
static_cast<CcdPhysicsController*>(obj1->getUserPointer());
+ if (!m_triggerCallbacks[PHY_OBJECT_RESPONSE] && !draw_contact_points)
+ return;
- std::set<CcdPhysicsController*>::const_iterator
i = m_triggerControllers.find(ctrl0);
- if (i == m_triggerControllers.end())
- {
- i = m_triggerControllers.find(ctrl1);
- }
+ //walk over all overlapping pairs, and if one of the involved bodies is
registered for trigger callback, perform callback
+ btDispatcher* dispatcher = m_dynamicsWorld->getDispatcher();
+ int numManifolds = dispatcher->getNumManifolds();
+ for (int i=0;i<numManifolds;i++)
+ {
+ btPersistentManifold* manifold =
dispatcher->getManifoldByIndexInternal(i);
+ int numContacts = manifold->getNumContacts();
+ if (!numContacts) continue;
- if (!(i == m_triggerControllers.end()))
- {
-
m_triggerCallbacks[PHY_OBJECT_RESPONSE](m_triggerCallbacksUserPtrs[PHY_OBJECT_RESPONSE],
- ctrl0,ctrl1,0);
- }
- // Bullet does not refresh the manifold contact
point for object without contact response
- // may need to remove this when a newer Bullet
version is integrated
- if (!dispatcher->needsResponse(rb0, rb1))
- {
- // Refresh algorithm fails sometimes
when there is penetration
- // (usuall the case with ghost and
sensor objects)
- // Let's just clear the manifold, in
any case, it is recomputed on each frame.
- manifold->clearManifold();
//refreshContactPoints(rb0->getCenterOfMassTransform(),rb1->getCenterOfMassTransform());
- }
+ const btRigidBody* rb0 = static_cast<const
btRigidBody*>(manifold->getBody0());
+ const btRigidBody* rb1 = static_cast<const
btRigidBody*>(manifold->getBody1());
+ if (draw_contact_points)
+ {
+ for (int j=0;j<numContacts;j++)
+ {
+ btVector3 color(1,0,0);
+ const btManifoldPoint& cp =
manifold->getContactPoint(j);
+
m_debugDrawer->drawContactPoint(cp.m_positionWorldOnB,
+
cp.m_normalWorldOnB,
+
cp.getDistance(),
+
cp.getLifeTime(),
+ color);
}
}
+ //m_internalOwner is set in 'addPhysicsController'
+ CcdPhysicsController* ctrl0 =
static_cast<CcdPhysicsController*>(rb0->getUserPointer());
+ CcdPhysicsController* ctrl1 =
static_cast<CcdPhysicsController*>(rb1->getUserPointer());
+ std::set<CcdPhysicsController*>::const_iterator iter =
m_triggerControllers.find(ctrl0);
+ if (iter == m_triggerControllers.end())
+ {
+ iter = m_triggerControllers.find(ctrl1);
+ }
+ if (iter != m_triggerControllers.end())
+ {
+
m_triggerCallbacks[PHY_OBJECT_RESPONSE](m_triggerCallbacksUserPtrs[PHY_OBJECT_RESPONSE],
+ ctrl0,ctrl1,0);
+ }
+ // Bullet does not refresh the manifold contact point for
object without contact response
+ // may need to remove this when a newer Bullet version is
integrated
+ if (!dispatcher->needsResponse(rb0, rb1))
+ {
+ // Refresh algorithm fails sometimes when there is
penetration
+ // (usuall the case with ghost and sensor objects)
+ // Let's just clear the manifold, in any case, it is
recomputed on each frame.
+ manifold->clearManifold();
//refreshContactPoints(rb0->getCenterOfMassTransform(),rb1->getCenterOfMassTransform());
+ }
}
-
-
}
// This call back is called before a pair is added in the cache
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