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https://github.com/copyrighttxt/watrbx-game-engine.git
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fahhh
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watrabi
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/* Copyright 2003-2005 ROBLOX Corporation, All Rights Reserved */
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#pragma once
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#include "Util/G3DCore.h"
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#include "Util/Extents.h"
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#include <vector>
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#include <boost/unordered_set.hpp>
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namespace RBX {
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class PVInstance;
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class Primitive;
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class ContactManager;
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class PartInstance;
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class Dragger {
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private:
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static void primitivesFromInstances(const std::vector<PVInstance*>& pvInstances,
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G3D::Array<Primitive*>& primitives);
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// Intersection tests
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static bool intersectingWorldOrOthers( const G3D::Array<Primitive*>& primitives,
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ContactManager& contactManager,
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const float bottomPlaneHeight);
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static void movePrimitives( const G3D::Array<Primitive*>& primitives,
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const Vector3& delta,
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bool snapToWorld = true);
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static void movePrimitivesDelta(const G3D::Array<Primitive*>& primitives,
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const Vector3& delta,
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Vector3& movedSoFar);
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static bool movePrimitivesGoal( const G3D::Array<Primitive*>& primitives,
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const Vector3& goal,
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Vector3& movedSoFar,
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bool snapToWorld = true);
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static void safePlaceAlongLine( const G3D::Array<Primitive*>& primitives,
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const Vector3& startMove,
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const Vector3& endMove,
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Vector3& movedSoFar,
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ContactManager& contactManager,
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bool snapToWorld = true);
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static void searchFine( const G3D::Array<Primitive*> primitives,
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Vector3& movedSoFar,
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ContactManager& contactManager,
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const float bottomPlaneHeight,
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Vector3 insidePosition,
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Vector3 outsidePosition);
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static void searchUpGross( const G3D::Array<Primitive*>& primitives,
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Vector3& movedSoFar,
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ContactManager& contactManager,
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const float bottomPlaneHeight);
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static void searchDownGross( const G3D::Array<Primitive*>& primitives,
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Vector3& movedSoFar,
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ContactManager& contactManager,
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const float bottomPlaneHeight);
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static bool intersectingGroundPlane(const G3D::Array<Primitive*>& primitives, float yHeight);
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static Vector3 safeMoveYDrop_EXT( const G3D::Array<Primitive*>& primitives,
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const Vector3& tryMove,
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ContactManager& contactManager,
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const float customPlaneHeight = groundPlaneDepth());
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static void searchUpGross_EXT( std::vector<RBX::Extents> &primExtents,
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const G3D::Array<Primitive*>& primitives,
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const boost::unordered_set<const Primitive*> &ignorePrimitives,
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ContactManager& contactManager,
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const float bottomPlaneHeight,
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Vector3& movedSoFar);
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static void searchDownGross_EXT( std::vector<RBX::Extents> &primExtents,
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const G3D::Array<Primitive*>& primitives,
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const boost::unordered_set<const Primitive*> &ignorePrimitives,
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ContactManager& contactManager,
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const float bottomPlaneHeight,
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Vector3& movedSoFar);
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static void searchUpFine_EXT( std::vector<RBX::Extents> &primExtents,
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const G3D::Array<Primitive*>& primitives,
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const boost::unordered_set<const Primitive*> &ignorePrimitives,
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ContactManager& contactManager,
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const float bottomPlaneHeight,
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Vector3& movedSoFar);
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static void searchDownFine_EXT( std::vector<RBX::Extents> &primExtents,
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const G3D::Array<Primitive*>& primitives,
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const boost::unordered_set<const Primitive*> &ignorePrimitives,
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ContactManager& contactManager,
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const float bottomPlaneHeight,
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Vector3& movedSoFar);
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static bool intersectingWorldOrOthers_EXT( std::vector<RBX::Extents> &primExtents,
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const G3D::Array<Primitive*>& primitives,
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const boost::unordered_set<const Primitive*> &ignorePrimitives,
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ContactManager& contactManager,
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const float bottomPlaneHeight,
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const Vector3& movedSoFar);
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static bool intersectingGroundPlane_EXT( const std::vector<RBX::Extents>& primExtents,
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const G3D::Array<Primitive*>& primitives,
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const float yHeight,
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const Vector3& movedSoFar);
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static bool isIntersecting(const Primitive* prim1, const CoordinateFrame &cFrame1, const Primitive* prim2, const CoordinateFrame &cFrame2);
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static bool checkBallPolyIntersection(const Primitive* ballPrim, const CoordinateFrame &ballCFrame, const Primitive* polyPrim, const CoordinateFrame &polyCFrame);
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static bool checkBallBallIntersection(const Primitive* ballPrim1, const CoordinateFrame &ballCFrame1, const Primitive* ballPrim2, const CoordinateFrame &ballCFrame2);
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static bool checkPolyPolyIntersection(const Primitive* polyPrim1, const CoordinateFrame &polyCFrame1, const Primitive* polyPrim2, const CoordinateFrame &polyCFrame2);
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static void moveExtents(std::vector<RBX::Extents> &primExtents, const Vector3& delta);
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static void moveExtentsDelta(std::vector<RBX::Extents> &primExtents, const Vector3& delta, Vector3& movedSoFar);
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public:
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static const Vector3& dragSnap() {
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static Vector3 v(1.0f, 0.1f, 1.0f);
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return v;
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}
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// Physics automatically removes parts that fall lower than -500.
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// We'll allow dragging, moving, resizing down to -400.
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static float maxDragDepth() { return -400.0f; }
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static float groundPlaneDepth() { return 0.0f; }
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// Moves up as necessary for no overlap
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static Vector3 safeMoveNoDrop( const G3D::Array<Primitive*>& primitives,
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const Vector3& tryMove,
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ContactManager& contactManager);
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// Floating - move down; Intersecting - move up
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static Vector3 safeMoveYDrop( const G3D::Array<Primitive*>& primitives,
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const Vector3& tryMove,
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ContactManager& contactManager,
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const float customPlaneHeight = groundPlaneDepth() );
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// Move along line - quickly find farthest safe move
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static Vector3 safeMoveAlongLine( const G3D::Array<Primitive*>& primitives,
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const Vector3& tryMove,
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ContactManager& contactManager,
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const float customPlaneHeight = groundPlaneDepth(),
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bool snapToWorld = true );
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static Vector3 safeRotateAlongLine( const G3D::Array<Primitive*>& primitives,
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const Vector3& tryMove,
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ContactManager& contactManager);
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// Rotate around a grid point, then find a safe place
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static void safeRotate( const G3D::Array<Primitive*>& primitives,
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const Matrix3& rotate,
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ContactManager& contactManager);
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static void safeRotate2( const G3D::Array<Primitive*>& primitives,
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const Matrix3& rotate,
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ContactManager& contactManager);
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static Extents computeExtents(const std::vector<Primitive*>& primitives);
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static Extents computeExtentsRelative(const std::vector<Primitive*>& primitives, CoordinateFrame& relativeFrame);
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static Extents computeExtentsRelative(const G3D::Array<Primitive*>& primitives, CoordinateFrame& relativeFrame);
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static PartInstance* computePrimaryPart(const std::vector<Primitive*>& primitives);
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static PartInstance* computePrimaryPart(const G3D::Array<Primitive*>& primitives);
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// Intersection tests
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static bool intersectingWorldOrOthers( PartInstance& partInstance,
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ContactManager& contactManager,
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const float tolerance,
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const float bottomPlaneHeight);
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static bool intersectingWorldOrOthers( const G3D::Array<Primitive*>& primitives,
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ContactManager& contactManager,
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const float tolerance,
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const float bottomPlaneHeight);
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// ToDo::Deprecate Array Version
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static Extents computeExtents(const G3D::Array<Primitive*>& primitives);
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static Extents computeExtents(const std::vector<PVInstance*>& instances);
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};
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} // namespace
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