/
Curves.cpp
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/
Curves.cpp
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#include "Curves.h"
#include "i18n.h"
#include "icurve.h"
#include "iundo.h"
#include "ieclass.h"
#include "itransformable.h"
#include "ientity.h"
#include "iorthoview.h"
#include "scenelib.h"
#include "selectionlib.h"
#include "gamelib.h"
#include "command/ExecutionNotPossible.h"
namespace selection
{
namespace algorithm
{
namespace
{
const char* const GKEY_DEFAULT_CURVE_ENTITY = "/defaults/defaultCurveEntity";
const char* const GKEY_CURVE_NURBS_KEY = "/defaults/curveNurbsKey";
const char* const GKEY_CURVE_CATMULLROM_KEY = "/defaults/curveCatmullRomKey";
}
/**
* greebo: Creates a new entity with an attached curve
*
* @key: The curve type: pass either "curve_CatmullRomSpline" or "curve_Nurbs".
*/
void createCurve(const std::string& key)
{
UndoableCommand undo(std::string("createCurve: ") + key);
// De-select everything before we proceed
GlobalSelectionSystem().setSelectedAll(false);
GlobalSelectionSystem().setSelectedAllComponents(false);
std::string curveEClass = game::current::getValue<std::string>(GKEY_DEFAULT_CURVE_ENTITY);
// Fallback to func_static, if nothing defined in the registry
if (curveEClass.empty()) {
curveEClass = "func_static";
}
// Find the default curve entity
IEntityClassPtr entityClass = GlobalEntityClassManager().findOrInsert(
curveEClass,
true
);
// Create a new entity node deriving from this entityclass
IEntityNodePtr curve(GlobalEntityModule().createEntity(entityClass));
// Insert this new node into the scenegraph root
GlobalSceneGraph().root()->addChildNode(curve);
// Select this new curve node
Node_setSelected(curve, true);
// Set the model key to be the same as the name
curve->getEntity().setKeyValue("model",
curve->getEntity().getKeyValue("name"));
// Initialise the curve using three pre-defined points
curve->getEntity().setKeyValue(
key,
"3 ( 0 0 0 50 50 0 50 100 0 )"
);
ITransformablePtr transformable = scene::node_cast<ITransformable>(curve);
if (transformable != NULL) {
// Translate the entity to the center of the current workzone
transformable->setTranslation(GlobalXYWndManager().getActiveViewOrigin());
transformable->freezeTransform();
}
}
void createCurveNURBS(const cmd::ArgumentList& args)
{
createCurve(game::current::getValue<std::string>(GKEY_CURVE_NURBS_KEY));
}
void createCurveCatmullRom(const cmd::ArgumentList& args)
{
createCurve(game::current::getValue<std::string>(GKEY_CURVE_CATMULLROM_KEY));
}
// A basic functor doing an action to the curve
class CurveNodeProcessor
{
public:
virtual ~CurveNodeProcessor() {}
virtual void operator() (CurveNode& curve) = 0;
};
// Appends a single control point to the visited curve
class CurveControlPointAppender :
public CurveNodeProcessor
{
public:
virtual void operator() (CurveNode& curve) {
if (!curve.hasEmptyCurve()) {
curve.appendControlPoints(1);
}
}
};
// Removes the selected control points from the visited curve
class CurveControlPointRemover :
public CurveNodeProcessor
{
public:
virtual void operator() (CurveNode& curve) {
if (!curve.hasEmptyCurve()) {
curve.removeSelectedControlPoints();
}
}
};
// Removes the selected control points from the visited curve
class CurveControlPointInserter :
public CurveNodeProcessor
{
public:
virtual void operator() (CurveNode& curve) {
if (!curve.hasEmptyCurve()) {
curve.insertControlPointsAtSelected();
}
}
};
// Removes the selected control points from the visited curve
class CurveConverter :
public CurveNodeProcessor
{
public:
virtual void operator() (CurveNode& curve) {
if (!curve.hasEmptyCurve()) {
curve.convertCurveType();
}
}
};
/** greebo: This visits all selected curves and calls
* the nominated Processor class using the
* CurveNode as argument.
*/
class SelectedCurveVisitor :
public SelectionSystem::Visitor
{
CurveNodeProcessor& _processor;
public:
SelectedCurveVisitor(CurveNodeProcessor& processor) :
_processor(processor)
{}
void visit(const scene::INodePtr& node) const {
// Try to cast the instance onto a CurveNode
CurveNodePtr curve = Node_getCurve(node);
if (curve != NULL) {
// Call the processor
_processor(*curve);
}
}
};
void appendCurveControlPoint(const cmd::ArgumentList& args)
{
const SelectionInfo& info = GlobalSelectionSystem().getSelectionInfo();
if (info.entityCount == 0)
{
throw cmd::ExecutionNotPossible(
_("Can't append curve point - no entities with curve selected.")
);
}
UndoableCommand command("curveAppendControlPoint");
// The functor object
CurveControlPointAppender appender;
// Traverse the selection applying the functor
GlobalSelectionSystem().foreachSelected(
SelectedCurveVisitor(appender)
);
}
void removeCurveControlPoints(const cmd::ArgumentList& args)
{
if (GlobalSelectionSystem().getSelectionMode() != SelectionMode::Component ||
GlobalSelectionSystem().ComponentMode() != ComponentSelectionMode::Vertex)
{
throw cmd::ExecutionNotPossible(
_("Can't remove curve points - must be in vertex editing mode.")
);
}
const SelectionInfo& info = GlobalSelectionSystem().getSelectionInfo();
if (info.entityCount == 0)
{
throw cmd::ExecutionNotPossible(
_("Can't remove curve points - no entities with curves selected.")
);
}
UndoableCommand command("curveRemoveControlPoints");
// The functor object
CurveControlPointRemover remover;
// Traverse the selection applying the functor
GlobalSelectionSystem().foreachSelected(
SelectedCurveVisitor(remover)
);
}
void insertCurveControlPoints(const cmd::ArgumentList& args)
{
if (GlobalSelectionSystem().getSelectionMode() != SelectionMode::Component ||
GlobalSelectionSystem().ComponentMode() != ComponentSelectionMode::Vertex)
{
throw cmd::ExecutionNotPossible(
_("Can't insert curve points - must be in vertex editing mode.")
);
}
const SelectionInfo& info = GlobalSelectionSystem().getSelectionInfo();
if (info.entityCount == 0)
{
throw cmd::ExecutionNotPossible(
_("Can't insert curve points - no entities with curves selected.")
);
}
UndoableCommand command("curveInsertControlPoints");
// The functor object
CurveControlPointInserter inserter;
// Traverse the selection applying the functor
GlobalSelectionSystem().foreachSelected(
SelectedCurveVisitor(inserter)
);
}
void convertCurveTypes(const cmd::ArgumentList& args)
{
const SelectionInfo& info = GlobalSelectionSystem().getSelectionInfo();
if (info.entityCount == 0)
{
throw cmd::ExecutionNotPossible(
_("Can't convert curves - no entities with curves selected.")
);
}
UndoableCommand command("curveConvertType");
// The functor object
CurveConverter converter;
// Traverse the selection applying the functor
GlobalSelectionSystem().foreachSelected(
SelectedCurveVisitor(converter)
);
}
} // namespace algorithm
} // namespace selection