void LevelGrid::InitializeLevelPhysics(void)
{
// Fetch the physics space
cpSpace *space = this->m_Engine->GetWorld()->GetSpace();
// Add the physics body
this->m_Body = cpBodyNewStatic();
// Add the physics shapes
for (int i = 0 ; i < this->m_NumY - 1 ; ++i)
{
hgeVector *vec = this->m_LeftLevelVertices[i];
hgeVector *nvec = this->m_LeftLevelVertices[i + 1];
cpShape *shape = cpSegmentShapeNew(this->m_Body, cpv(vec->x, vec->y), cpv(nvec->x, nvec->y), 0.0f);
shape->e = 1.0; shape->u = 1.0;
shape->collision_type = COLLISION_TYPE_LEVEL;
cpSpaceAddStaticShape(space, shape);
cpBodyActivateStatic(this->m_Body, shape);
this->m_Shapes.push_back(shape);
}
for (int i = 0 ; i < this->m_NumY - 1 ; ++i)
{
hgeVector *vec = this->m_RightLevelVertices[i];
hgeVector *nvec = this->m_RightLevelVertices[i + 1];
cpShape *shape = cpSegmentShapeNew(this->m_Body, cpv(vec->x, vec->y), cpv(nvec->x, nvec->y), 0.0f);
shape->e = 1.0; shape->u = 1.0;
shape->collision_type = COLLISION_TYPE_LEVEL;
cpSpaceAddStaticShape(space, shape);
cpBodyActivateStatic(this->m_Body, shape);
this->m_Shapes.push_back(shape);
}
// Create the activator physics shapes
for (int i = 0 ; i < this->m_NumActivators ; ++i)
{
Activator *activator = this->m_Activators[i];
// Create the cpVects
cpVect *verts = (cpVect*) malloc(sizeof(cpVect) * 4);
verts[3].x = activator->Vertices[0].x; verts[3].y = activator->Vertices[0].y;
verts[2].x = activator->Vertices[1].x; verts[2].y = activator->Vertices[1].y;
verts[1].x = activator->Vertices[2].x; verts[1].y = activator->Vertices[2].y;
verts[0].x = activator->Vertices[3].x; verts[0].y = activator->Vertices[3].y;
// Create and add the poly shape
cpShape *shape = cpPolyShapeNew(this->m_Body, 4, verts, cpvzero);
shape->e = 1.0; shape->u = 1.0;
shape->sensor = true;
shape->collision_type = COLLISION_TYPE_ACTIVATOR;
shape->data = activator;
cpSpaceAddStaticShape(space, shape);
cpBodyActivateStatic(this->m_Body, shape);
this->m_Shapes.push_back(shape);
free(verts);
}
}
void
cpSpaceRemoveStaticShape(cpSpace *space, cpShape *shape)
{
cpAssertHard(cpSpaceContainsShape(space, shape), "Cannot remove a static or sleeping shape that was not added to the space. (Removed twice maybe?)");
cpAssertSpaceUnlocked(space);
cpBody *body = shape->body;
if(cpBodyIsStatic(body)) cpBodyActivateStatic(body, shape);
cpBodyRemoveShape(body, shape);
cpSpaceFilterArbiters(space, body, shape);
cpSpatialIndexRemove(space->staticShapes, shape, shape->hashid);
shape->space = NULL;
}
void
cpSpaceRemoveShape(cpSpace *space, cpShape *shape)
{
cpBody *body = shape->body;
cpAssertHard(cpSpaceContainsShape(space, shape), "Cannot remove a shape that was not added to the space. (Removed twice maybe?)");
cpAssertSpaceUnlocked(space);
cpBool isStatic = (cpBodyGetType(body) == CP_BODY_TYPE_STATIC);
if(isStatic){
cpBodyActivateStatic(body, shape);
} else {
cpBodyActivate(body);
}
cpBodyRemoveShape(body, shape);
cpSpaceFilterArbiters(space, body, shape);
cpSpatialIndexRemove(isStatic ? space->staticShapes : space->dynamicShapes, shape, shape->hashid);
shape->space = NULL;
shape->hashid = 0;
}
void cBody::ActivateStatic( cBody *body, cShape * filter ) {
cpBodyActivateStatic( mBody, filter->Shape() );
}
void Body::activateStatic(std::shared_ptr<Shape> filter) { cpBodyActivateStatic(_body, *filter);
};
void Body::activateStatic(cp::Shape *filter)
{
cpBodyActivateStatic(body,filter ? filter->get() : 0);
}
