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#pragma once
#include "math/AABB.h"
#include "ilightnode.h"
#include "iorthoview.h"
/**
SelectionPolicy for SelectByBounds
Returns true if
*/
class SelectionPolicy_Complete_Tall
{
public:
bool evaluate(const AABB& box, const scene::INodePtr& node) const
{
// Get the AABB of the visited instance
AABB other = node->worldAABB();
// greebo: Perform a special selection test for lights
// as the small diamond should be tested against selection only
ILightNodePtr light = Node_getLightNode(node);
if (light )
{
other = light->getSelectAABB();
}
// Determine the viewtype
OrthoOrientation viewType = GlobalOrthoViewManager().getActiveViewType();
unsigned int axis1 = 0;
unsigned int axis2 = 1;
// Determine which axes have to be compared
switch (viewType) {
case OrthoOrientation::XY:
axis1 = 0;
axis2 = 1;
break;
case OrthoOrientation::YZ:
axis1 = 1;
axis2 = 2;
break;
case OrthoOrientation::XZ:
axis1 = 0;
axis2 = 2;
break;
};
// Check if the AABB is contained
auto dist1 = fabs(other.origin[axis1] - box.origin[axis1]) + fabs(other.extents[axis1]);
auto dist2 = fabs(other.origin[axis2] - box.origin[axis2]) + fabs(other.extents[axis2]);
return (dist1 < fabs(box.extents[axis1]) && dist2 < fabs(box.extents[axis2]));
}
};
/**
SelectionPolicy for SelectByBounds
Returns true if box and the AABB of instance intersect
*/
class SelectionPolicy_Touching
{
public:
bool evaluate(const AABB& box, const scene::INodePtr& node) const {
const AABB& other(node->worldAABB());
for (unsigned int i = 0; i < 3; ++i) {
if (std::abs(box.origin[i] - other.origin[i]) > (box.extents[i] + other.extents[i])) {
return false;
}
}
return true;
}
};
/**
SelectionPolicy for SelectByBounds
Returns true if the AABB of instance is inside box
*/
class SelectionPolicy_Inside
{
public:
bool evaluate(const AABB& box, const scene::INodePtr& node) const
{
AABB other = node->worldAABB();
// greebo: Perform a special selection test for lights
// as the small diamond should be tested against selection only
ILightNodePtr light = Node_getLightNode(node);
if (light )
{
other = light->getSelectAABB();
}
for (unsigned int i = 0; i < 3; ++i) {
if (std::abs(box.origin[i] - other.origin[i]) > (box.extents[i] - other.extents[i])) {
return false;
}
}
return true;
}
};
/**
SelectionPolicy for SelectByBounds
Returns true if the AABB of instance is completely inside box.
Bounding boxes with their planes flush on the selection box are discarded.
*/
class SelectionPolicy_FullyInside
{
public:
bool evaluate(const AABB& box, const scene::INodePtr& node) const
{
AABB other = node->worldAABB();
// greebo: Perform a special selection test for lights
// as the small diamond should be tested against selection only
ILightNodePtr light = Node_getLightNode(node);
if (light)
{
other = light->getSelectAABB();
}
for (unsigned int i = 0; i < 3; ++i)
{
if (std::abs(box.origin[i] - other.origin[i]) >= (box.extents[i] - other.extents[i]))
{
return false;
}
}
return true;
}
};
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