54 lines
1.6 KiB
C
54 lines
1.6 KiB
C
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//=============================================================================//
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#ifndef AI_ROUTEDIST_H
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#define AI_ROUTEDIST_H
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#include "ai_navtype.h"
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#if defined(_WIN32)
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#pragma once
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#endif
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// ----------------------------------------------------------------------------
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// Computes the route distance + route direction based on nav type
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// FIXME: Where should this go?
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// ----------------------------------------------------------------------------
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inline float ComputePathDistance(Navigation_t navType, const Vector &start,
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const Vector &end) {
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if (navType == NAV_GROUND) {
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return (end - start).Length2D();
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} else {
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return (end - start).Length();
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}
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}
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inline void ComputePathVector(Navigation_t navType, const Vector &start,
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const Vector &end, Vector *pDelta) {
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if (navType == NAV_GROUND) {
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Vector2DSubtract(end.AsVector2D(), start.AsVector2D(),
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pDelta->AsVector2D());
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pDelta->z = 0.0f;
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} else {
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VectorSubtract(end, start, *pDelta);
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}
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}
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inline float ComputePathDirection(Navigation_t navType, const Vector &start,
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const Vector &end, Vector *pDirection) {
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if (navType == NAV_GROUND) {
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VectorSubtract(end, start, *pDirection);
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pDirection->z = 0.0f;
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return Vector2DNormalize(pDirection->AsVector2D());
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} else {
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VectorSubtract(end, start, *pDirection);
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return VectorNormalize(*pDirection);
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}
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}
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#endif // AI_ROUTEDIST_H
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