110 lines
3.8 KiB
C
110 lines
3.8 KiB
C
//=======================================================================
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// Copyright XashXT Group 2007 ©
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// cm_callback.c - generic callbacks
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//=======================================================================
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#include "cm_local.h"
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int Callback_ContactBegin( const NewtonMaterial* material, const NewtonBody* body0, const NewtonBody* body1 )
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{
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// save the collision bodies
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cm.touch_info.m_body0 = (NewtonBody*) body0;
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cm.touch_info.m_body1 = (NewtonBody*) body1;
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cm.touch_info.normal_speed = 0.0f;// clear the contact normal speed
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cm.touch_info.tangent_speed = 0.0f;// clear the contact sliding speed
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// return one the tell Newton the application wants to process this contact
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return 1;
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}
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// this callback is called for every contact between the two bodies
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int Callback_ContactProcess( const NewtonMaterial* material, const NewtonContact* contact )
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{
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float speed0, speed1;
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vec3_t normal;
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// get the maximum normal speed of this impact. this can be used for particles of playing collision sound
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speed0 = NewtonMaterialGetContactNormalSpeed( material, contact );
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if( speed0 > cm.touch_info.normal_speed )
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{
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// save the position of the contact (for 3d sound of particles effects)
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cm.touch_info.normal_speed = speed0;
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NewtonMaterialGetContactPositionAndNormal( material, &cm.touch_info.position[0], &normal[0] );
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}
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// get the maximum of the two sliding contact speed
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speed0 = NewtonMaterialGetContactTangentSpeed( material, contact, 0 );
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speed1 = NewtonMaterialGetContactTangentSpeed( material, contact, 1 );
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if( speed1 > speed0 ) speed0 = speed1;
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// Get the maximum tangent speed of this contact. this can be used for particles(sparks) of playing scratch sounds
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if( speed0 > cm.touch_info.tangent_speed )
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{
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// save the position of the contact (for 3d sound of particles effects)
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cm.touch_info.tangent_speed = speed0;
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NewtonMaterialGetContactPositionAndNormal( material, &cm.touch_info.position[0], &normal[0] );
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}
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// return one to tell Newton we want to accept this contact
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return 1;
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}
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// this function is call after all contacts for this pairs is processed
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void Callback_ContactEnd( const NewtonMaterial* material )
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{
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sv_edict_t *edict = (sv_edict_t *)NewtonBodyGetUserData( cm.touch_info.m_body0 );
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// if the max contact speed is larger than some minimum value. play a sound
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if( cm.touch_info.normal_speed > 15.0f )
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{
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float pitch = cm.touch_info.normal_speed - 15.0f;
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// TODO: play impact sound here
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pi.PlaySound( edict, pitch, "materials/metal/bustmetal1.wav" );
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}
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// if the max contact speed is larger than some minimum value. play a sound
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if( cm.touch_info.normal_speed > 5.0f )
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{
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float pitch = cm.touch_info.normal_speed - 5.0f;
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// TODO: play scratch sound here
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pi.PlaySound( edict, pitch, "materials/metal/pushmetal1.wav" );
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}
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}
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void Callback_ApplyForce( const NewtonBody* body )
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{
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float mass;
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vec3_t m_size, force, torque;
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NewtonBodyGetMassMatrix (body, &mass, &m_size[0], &m_size[1], &m_size[2]);
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VectorSet( torque, 0.0f, 0.0f, 0.0f );
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VectorSet( force, 0.0f, -9.8f * mass, 0.0f );
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NewtonBodyAddForce (body, force);
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NewtonBodyAddTorque (body, torque);
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}
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void Callback_PmoveApplyForce( const NewtonBody* body )
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{
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// grab state and jump to CM_ServerMove
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pi.ClientMove((sv_edict_t *)NewtonBodyGetUserData( body ));
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}
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void Callback_ApplyTransform( const NewtonBody* body, const float* matrix )
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{
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sv_edict_t *edict = (sv_edict_t *)NewtonBodyGetUserData( body );
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matrix4x4 objcoords;
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matrix4x3 translate;// obj matrix
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// convert matrix4x4 into 4x3
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Mem_Copy( objcoords, (float *)matrix, sizeof(matrix4x4));
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VectorCopy( objcoords[0], translate[0] );
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VectorCopy( objcoords[1], translate[1] );
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VectorCopy( objcoords[2], translate[2] );
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VectorCopy( objcoords[3], translate[3] );
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pi.Transform( edict, translate );
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}
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