153 lines
5.3 KiB
C++
153 lines
5.3 KiB
C++
/*
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===========================================================================
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Doom 3 GPL Source Code
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Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.
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This file is part of the Doom 3 GPL Source Code (?Doom 3 Source Code?).
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Doom 3 Source Code is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Doom 3 Source Code is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Doom 3 Source Code. If not, see <http://www.gnu.org/licenses/>.
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In addition, the Doom 3 Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 Source Code. If not, please request a copy in writing from id Software at the address below.
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If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
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===========================================================================
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*/
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#ifndef __PHYSICS_MONSTER_H__
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#define __PHYSICS_MONSTER_H__
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/*
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===================================================================================
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Monster physics
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Simulates the motion of a monster through the environment. The monster motion
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is typically driven by animations.
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===================================================================================
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*/
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typedef enum {
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MM_OK,
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MM_SLIDING,
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MM_BLOCKED,
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MM_STEPPED,
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MM_FALLING
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} monsterMoveResult_t;
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typedef struct monsterPState_s {
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int atRest;
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bool onGround;
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idVec3 origin;
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idVec3 velocity;
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idVec3 localOrigin;
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idVec3 pushVelocity;
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} monsterPState_t;
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class idPhysics_Monster : public idPhysics_Actor {
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public:
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CLASS_PROTOTYPE( idPhysics_Monster );
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idPhysics_Monster( void );
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void Save( idSaveGame *savefile ) const;
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void Restore( idRestoreGame *savefile );
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// maximum step up the monster can take, default 18 units
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void SetMaxStepHeight( const float newMaxStepHeight );
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float GetMaxStepHeight( void ) const;
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// minimum cosine of floor angle to be able to stand on the floor
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void SetMinFloorCosine( const float newMinFloorCosine );
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// set delta for next move
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void SetDelta( const idVec3 &d );
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// returns true if monster is standing on the ground
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bool OnGround( void ) const;
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// returns the movement result
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monsterMoveResult_t GetMoveResult( void ) const;
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// overrides any velocity for pure delta movement
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void ForceDeltaMove( bool force );
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// whether velocity should be affected by gravity
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void UseFlyMove( bool force );
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// don't use delta movement
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void UseVelocityMove( bool force );
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// get entity blocking the move
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idEntity * GetSlideMoveEntity( void ) const;
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// enable/disable activation by impact
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void EnableImpact( void );
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void DisableImpact( void );
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public: // common physics interface
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bool Evaluate( int timeStepMSec, int endTimeMSec );
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void UpdateTime( int endTimeMSec );
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int GetTime( void ) const;
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void GetImpactInfo( const int id, const idVec3 &point, impactInfo_t *info ) const;
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void ApplyImpulse( const int id, const idVec3 &point, const idVec3 &impulse );
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void Activate( void );
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void PutToRest( void );
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bool IsAtRest( void ) const;
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int GetRestStartTime( void ) const;
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void SaveState( void );
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void RestoreState( void );
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void SetOrigin( const idVec3 &newOrigin, int id = -1 );
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void SetAxis( const idMat3 &newAxis, int id = -1 );
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void Translate( const idVec3 &translation, int id = -1 );
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void Rotate( const idRotation &rotation, int id = -1 );
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void SetLinearVelocity( const idVec3 &newLinearVelocity, int id = 0 );
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const idVec3 & GetLinearVelocity( int id = 0 ) const;
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void SetPushed( int deltaTime );
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const idVec3 & GetPushedLinearVelocity( const int id = 0 ) const;
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void SetMaster( idEntity *master, const bool orientated = true );
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void WriteToSnapshot( idBitMsgDelta &msg ) const;
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void ReadFromSnapshot( const idBitMsgDelta &msg );
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private:
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// monster physics state
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monsterPState_t current;
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monsterPState_t saved;
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// properties
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float maxStepHeight; // maximum step height
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float minFloorCosine; // minimum cosine of floor angle
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idVec3 delta; // delta for next move
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bool forceDeltaMove;
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bool fly;
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bool useVelocityMove;
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bool noImpact; // if true do not activate when another object collides
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// results of last evaluate
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monsterMoveResult_t moveResult;
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idEntity * blockingEntity;
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private:
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void CheckGround( monsterPState_t &state );
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monsterMoveResult_t SlideMove( idVec3 &start, idVec3 &velocity, const idVec3 &delta );
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monsterMoveResult_t StepMove( idVec3 &start, idVec3 &velocity, const idVec3 &delta );
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void Rest( void );
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};
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#endif /* !__PHYSICS_MONSTER_H__ */
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