67 lines
2.2 KiB
C
67 lines
2.2 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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//=============================================================================//
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#ifndef PHYSICS_IMPACT_DAMAGE_H
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#define PHYSICS_IMPACT_DAMAGE_H
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#ifdef _WIN32
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#pragma once
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#endif
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struct impactentry_t
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{
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float impulse;
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float damage;
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};
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// UNDONE: Add a flag to turn off aggregation of mass in object systems (e.g. ragdolls, vehicles)?
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struct impactdamagetable_t
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{
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impactentry_t *linearTable;
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impactentry_t *angularTable;
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int linearCount; // array size of linearTable
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int angularCount; // array size of angularTable
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float minSpeedSqr; // minimum squared impact speed for damage
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float minRotSpeedSqr;
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float minMass; // minimum mass to do damage
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// filter out reall small objects, set all to zero to disable
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float smallMassMax;
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float smallMassCap;
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float smallMassMinSpeedSqr;
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// exaggerate the effects of really large objects, set all to 1 to disable
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float largeMassMin;
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float largeMassScale;
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float largeMassFallingScale; // emphasize downward impacts so that this will kill instead of stress (we have more information here than there)
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float myMinVelocity; // filter out any energy lost by me unless my velocity is greater than this
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};
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extern impactdamagetable_t gDefaultNPCImpactDamageTable;
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extern impactdamagetable_t gDefaultPlayerImpactDamageTable;
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extern impactdamagetable_t gDefaultPlayerVehicleImpactDamageTable;
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// NOTE Default uses default NPC table
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float CalculateDefaultPhysicsDamage( int index, gamevcollisionevent_t *pEvent, float energyScale, bool allowStaticDamage, int &damageTypeOut, string_t iszDamageTableName = NULL_STRING, bool bDamageFromHeldObjects = false );
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// use passes in the table
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float CalculatePhysicsImpactDamage( int index, gamevcollisionevent_t *pEvent, const impactdamagetable_t &table, float energyScale, bool allowStaticDamage, int &damageTypeOut, bool bDamageFromHeldObjects = false );
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struct vphysics_objectstress_t
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{
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float exertedStress;
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float receivedStress;
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bool hasNonStaticStress;
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bool hasLargeObjectContact;
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};
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float CalculateObjectStress( IPhysicsObject *pObject, CBaseEntity *pOwnerEntity, vphysics_objectstress_t *pOutput );
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#endif // PHYSICS_IMPACT_DAMAGE_H
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