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80 lines
No EOL
2.6 KiB
C++
80 lines
No EOL
2.6 KiB
C++
#ifndef COLLISION_UTIL_H
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#define COLLISION_UTIL_H
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extern const float AVH_INFINITY;
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extern const float AVH_EPSILON;
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#include <vector>
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#include "pm_shared/pm_defs.h"
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#include "CollisionChecker.h"
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/**
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* Computes the average of all the surface normals inside a sphere. Returns the
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* number of surfaces that were tested in the process of computing the normal.
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*/
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int NS_GetAverageNormalInsideSphere(const model_t* model, const vec3_t point, float radius, vec3_t normal);
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/**
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* Traces a line segment against the specified hull.
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*/
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void NS_TraceLine(const hull_t* hull, float srcPoint[3], float dstPoint[3], trace_t* trace);
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/**
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* Traces a line segment against an AABB.
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*/
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void NS_TraceLine(vec3_t min, vec3_t max, vec3_t srcPoint, vec3_t dstPoint, trace_t* trace);
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/**
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* Tests if two axis-aligned bounding boxes overlap.
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*/
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bool NS_BoxesOverlap(float origin1[3], float size1[3], float origin2[3], float size2[3]);
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/**
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* Returns world content type at given point
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*/
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int NS_PointContents(const hull_t *hull, int num, float p[3]);
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/**
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* Returns minimum world content type inside sphere -- precedence: solid, then liquid types, then empty
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*/
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int NS_SphereContents(const hull_t *hull, int num, float origin[3], float radius);
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const static int INTERSECT_NONE = 0;
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const static int INTERSECT_FRONT = 1;
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const static int INTERSECT_BACK = 2;
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const static int INTERSECT_BOTH = 3;
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/**
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* Returns box / plane intersection type - see constants above
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*/
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int NS_BoxPlaneIntersectionType(float mins[3], float maxs[3], mplane_t* plane);
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/**
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* Returns minimum world content type inside box -- precedence: solid, then liquid types, then empty
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*/
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int NS_BoxContents(const hull_t *hull, int num, float mins[3], float maxs[3]);
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/**
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* inEntityIndex is the index of the entity in edicts in the server or
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* cl_entities in the client.
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*/
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void NS_GetHitBoxesForEntity(int inEntityIndex, int inMaxNumBoxes, OBBox outBoxes[], int& outNumBoxes, float time);
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/**
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* Retuns the distance along a ray at which it intersects an oriented bounding
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* box. If there is no intersection the function returns AVH_INFINITY.
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*/
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float NS_GetIntersection(const OBBox& inBox, const vec3_t inRayOrigin, const vec3_t inRayDirection);
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/**
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* Retuns the distance along a ray at which it intersects an entity.
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* If there is no intersection the function returns AVH_INFINITY.
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*/
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float NS_TraceLineAgainstEntity(int inEntityIndex, float inTime, const vec3_t inRayOrigin, const vec3_t inRayDirection);
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/**
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* Convert "our" hull into VALVe hull
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*/
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int NS_GetValveHull(int inHull);
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#endif |