mirror of
https://github.com/TorqueGameEngines/Torque3D.git
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121 lines
2.6 KiB
C++
121 lines
2.6 KiB
C++
#ifndef _SCENEQUERY_UTIL_H_
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#define _SCENEQUERY_UTIL_H_
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/// A contextual hint passed to the polylist methods which
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/// allows it to return the appropriate geometry.
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enum PolyListContext
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{
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/// A hint that the polyist is intended
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/// for collision testing.
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PLC_Collision,
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/// A hint that the polyist is for decal
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/// geometry generation.
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PLC_Decal,
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/// A hint that the polyist is used for
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/// selection from an editor or other tool.
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PLC_Selection,
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/// A hint that the polylist is used for
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/// building a representation of the environment
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/// used for navigation.
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PLC_Navigation,
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/// A hint that the polyist will be used
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/// to export geometry and would like to have
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/// texture coords and materials.
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PLC_Export
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};
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struct SceneBinRange
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{
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U16 minCoord[2];
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U16 maxCoord[2];
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inline U32 getWidth() const
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{
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return maxCoord[0] - minCoord[0];
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}
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inline U32 getHeight() const
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{
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return maxCoord[1] - minCoord[1];
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}
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inline void setGlobal()
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{
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minCoord[0] = 0;
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minCoord[1] = 0;
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maxCoord[0] = 0xFFFF;
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maxCoord[1] = 0xFFFF;
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}
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static SceneBinRange makeFromBin(U32 minX, U32 maxX, U32 minY, U32 maxY)
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{
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SceneBinRange outRange;
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outRange.minCoord[0] = minX;
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outRange.minCoord[1] = minY;
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outRange.maxCoord[0] = maxX;
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outRange.maxCoord[1] = maxY;
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return outRange;
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}
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static SceneBinRange makeGlobal()
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{
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SceneBinRange outRange;
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outRange.setGlobal();
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return outRange;
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}
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inline bool isGlobal() const
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{
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return minCoord[0] == 0 &&
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minCoord[1] == 0 &&
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maxCoord[0] == 0xFFFF &&
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maxCoord[1] == 0xFFFF;
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}
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inline bool shouldOverflow() const;
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inline bool operator==(const SceneBinRange& other) const
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{
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return memcmp(minCoord, other.minCoord, sizeof(minCoord)) == 0 &&
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memcmp(maxCoord, other.maxCoord, sizeof(maxCoord)) == 0;
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}
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inline bool operator!=(const SceneBinRange& other) const
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{
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return !(*this == other);
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}
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};
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/// Lookup for bins assigned to SceneObject
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struct SceneBinListLookup
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{
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SceneBinRange mRange; ///< Range object is placed in
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U32 mListHandle; ///< Handle for ref list
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};
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/// For simple queries. Simply creates a vector of the objects
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class SimpleQueryList
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{
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public:
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Vector< SceneObject* > mList;
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SimpleQueryList()
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{
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VECTOR_SET_ASSOCIATION(mList);
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}
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void insertObject(SceneObject* obj) { mList.push_back(obj); }
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static void insertionCallback(SceneObject* obj, void* key)
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{
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SimpleQueryList* pList = reinterpret_cast<SimpleQueryList*>(key);
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pList->insertObject(obj);
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}
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};
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#endif
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