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game/server/tf/bot_npc/bot_npc_body.cpp

@@ -0,0 +1,153 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+#include "cbase.h"
+
+#include "NextBot.h"
+//#include "bot_npc.h"
+#include "bot_npc_body.h"
+
+//-------------------------------------------------------------------------------------------
+CBotNPCBody::CBotNPCBody( INextBot *bot ) : IBody( bot )
+{
+	m_moveXPoseParameter = -1;
+	m_moveYPoseParameter = -1;
+	m_currentActivity = -1;
+	m_desiredAimAngles = vec3_angle;
+}
+
+
+//-------------------------------------------------------------------------------------------
+bool CBotNPCBody::StartActivity( Activity act, unsigned int flags )
+{
+	NextBotCombatCharacter *me = (NextBotCombatCharacter *)GetBot()->GetEntity();
+
+	int animSequence = ::SelectWeightedSequence( me->GetModelPtr(), act, me->GetSequence() );
+
+	if ( animSequence )
+	{
+		m_currentActivity = act;
+		me->SetSequence( animSequence );
+		me->SetPlaybackRate( 1.0f );
+		me->SetCycle( 0 );
+		me->ResetSequenceInfo();
+
+		return true;
+	}
+
+	return false;
+}
+
+
+//-------------------------------------------------------------------------------------------
+void CBotNPCBody::Update( void )
+{
+	NextBotCombatCharacter *me = (NextBotCombatCharacter *)GetBot()->GetEntity();
+
+	if ( m_moveXPoseParameter < 0 )
+	{
+		m_moveXPoseParameter = me->LookupPoseParameter( "move_x" );
+	}
+
+	if ( m_moveYPoseParameter < 0 )
+	{
+		m_moveYPoseParameter = me->LookupPoseParameter( "move_y" );
+	}
+
+
+	// Update the pose parameters
+	float speed = me->GetLocomotionInterface()->GetGroundSpeed(); // me->GetAbsVelocity().Length();
+
+	if ( speed < 0.01f )
+	{
+		// stopped
+		if ( m_moveXPoseParameter >= 0 )
+		{
+			me->SetPoseParameter( m_moveXPoseParameter, 0.0f );
+		}
+
+		if ( m_moveYPoseParameter >= 0 )
+		{
+			me->SetPoseParameter( m_moveYPoseParameter, 0.0f );
+		}
+	}
+	else
+	{
+		Vector forward, right, up;
+		me->GetVectors( &forward, &right, &up );
+
+		const Vector &motionVector = me->GetLocomotionInterface()->GetGroundMotionVector();
+
+		// move_x == 1.0 at full forward motion and -1.0 in full reverse
+		if ( m_moveXPoseParameter >= 0 )
+		{
+			float forwardVel = DotProduct( motionVector, forward );
+
+			me->SetPoseParameter( m_moveXPoseParameter, forwardVel );
+		}
+
+		if ( m_moveYPoseParameter >= 0 )
+		{
+			float sideVel = DotProduct( motionVector, right );
+
+			me->SetPoseParameter( m_moveYPoseParameter, sideVel );
+		}
+	}
+
+	// adjust animation speed to actual movement speed
+	if ( me->m_flGroundSpeed > 0.0f )
+	{
+		// Clamp playback rate to avoid datatable warnings.  Anything faster would look silly, anyway.
+		float playbackRate = clamp( speed / me->m_flGroundSpeed, -4.f, 12.f );
+		me->SetPlaybackRate( playbackRate );
+	}
+
+	// move the animation ahead in time	
+	me->StudioFrameAdvance();
+	me->DispatchAnimEvents( me );
+
+	// update aim angles
+	QAngle currentAngles = me->GetAbsAngles();
+
+	QAngle angles;
+	const float approachRate = GetMaxHeadAngularVelocity(); // 3000.0f;
+	angles.y = ApproachAngle( m_desiredAimAngles.y, currentAngles.y, approachRate * TICK_INTERVAL );
+	angles.x = ApproachAngle( m_desiredAimAngles.x, currentAngles.x, 0.5f * approachRate * TICK_INTERVAL );
+	angles.z = 0.0f;
+
+	angles.x = AngleNormalize( angles.x );
+	angles.y = AngleNormalize( angles.y );
+
+	me->SetAbsAngles( angles );
+}
+
+
+//---------------------------------------------------------------------------------------------
+// return the bot's collision mask (hack until we get a general hull trace abstraction here or in the locomotion interface)
+unsigned int CBotNPCBody::GetSolidMask( void ) const
+{
+	return MASK_NPCSOLID | CONTENTS_PLAYERCLIP;
+}
+
+
+//---------------------------------------------------------------------------------------------
+void CBotNPCBody::AimHeadTowards( const Vector &lookAtPos, LookAtPriorityType priority, float duration, INextBotReply *replyWhenAimed, const char *reason )
+{
+	CBaseCombatCharacter *me = GetBot()->GetEntity();
+
+	Vector toTarget = lookAtPos - me->WorldSpaceCenter();
+	VectorAngles( toTarget, m_desiredAimAngles );
+}
+
+
+//---------------------------------------------------------------------------------------------
+void CBotNPCBody::AimHeadTowards( CBaseEntity *subject, LookAtPriorityType priority, float duration, INextBotReply *replyWhenAimed, const char *reason )
+{
+	if ( !subject )
+		return;
+
+	CBaseCombatCharacter *me = GetBot()->GetEntity();
+
+	Vector toTarget = subject->WorldSpaceCenter() - me->WorldSpaceCenter();
+
+	QAngle angles;
+	VectorAngles( toTarget, m_desiredAimAngles );
+}