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203 lines
7.4 KiB
203 lines
7.4 KiB
![]()
4 years ago
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//========= 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 ENV_METEOR_SHARED_H
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#define ENV_METEOR_SHARED_H
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#pragma once
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#include "vstdlib/random.h"
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#include "mathlib/vector.h"
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#include "utlvector.h"
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//=============================================================================
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//
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// Shared Meteor Class
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//
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#define METEOR_INVALID_TIME -9999.9f
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#define METEOR_PASSIVE_TIME 0.0f
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#define METEOR_MAX_LIFETIME 60.0f
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#define METEOR_MIN_SIZE Vector( -100, -100, -100 )
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#define METEOR_MAX_SIZE Vector( 100, 100, 100 )
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#define METEOR_LOCATION_INVALID -1
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#define METEOR_LOCATION_WORLD 0
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#define METEOR_LOCATION_SKYBOX 1
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class CEnvMeteorShared
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{
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public:
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//-------------------------------------------------------------------------
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// Initialization.
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//-------------------------------------------------------------------------
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CEnvMeteorShared();
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void Init( int nID, float flStartTime, float flPassiveTime,
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const Vector &vecStartPosition,
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const Vector &vecDirection, float flSpeed, float flDamageRadius,
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const Vector &vecTriggerMins, const Vector &vecTriggerMaxs );
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//-------------------------------------------------------------------------
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// Returns the position of the object at a given time.
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//-------------------------------------------------------------------------
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void GetPositionAtTime( float flTime, Vector &vecPosition );
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//-------------------------------------------------------------------------
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// Changes an objects paramters from "skybox space" to "world space."
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//-------------------------------------------------------------------------
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void ConvertFromSkyboxToWorld( void );
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//-------------------------------------------------------------------------
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// Changes an objects paramters from "world space" to "skybox space."
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//-------------------------------------------------------------------------
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void ConvertFromWorldToSkybox( void );
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//-------------------------------------------------------------------------
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// Returns whether or not the object is the the skybox given the time.
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//-------------------------------------------------------------------------
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bool IsInSkybox( float flTime );
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//-------------------------------------------------------------------------
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// Returns whether or not the object is moving in the skybox (or passive).
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//-------------------------------------------------------------------------
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bool IsPassive( float flTime );
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//-------------------------------------------------------------------------
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// Returns whether or not the object will ever transition from skybox to world.
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//-------------------------------------------------------------------------
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bool WillTransition( void );
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//-------------------------------------------------------------------------
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// Returns the splash damage radius of the object.
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//-------------------------------------------------------------------------
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float GetDamageRadius( void );
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public:
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int m_nID; // unique identifier
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// The objects initial parametric conditions.
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Vector m_vecStartPosition;
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Vector m_vecDirection;
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float m_flSpeed; // (units/sec), unit = 1 inch
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float m_flStartTime;
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// NOTE: All times are absolute - ie m_flStartTime has been added in.
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// The time after the starting time in which it object starts to "move."
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float m_flPassiveTime;
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// The enter and exit times define the times at which the object enters and
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// exits the world. In other words, m_flEnterTime is the time at which the
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// object leaves the skybox and enters the world. m_flExitTime is the opposite.
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float m_flWorldEnterTime;
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float m_flWorldExitTime;
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float m_flPosTime; // Timer used to find the position of the meteor.
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Vector m_vecPos;
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//
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int m_nLocation; // 0 = Skybox, 1 = World
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float m_flDamageRadius; //
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private:
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// Calculate the enter/exit times. (called from Init)
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void CalcEnterAndExitTimes( const Vector &vecTriggerMins, const Vector &vecTriggerMaxs );
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};
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//=============================================================================
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//
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// Meteor Factory Interface
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//
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abstract_class IMeteorFactory
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{
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public:
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virtual void CreateMeteor( int nID, int iType,
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const Vector &vecPosition, const Vector &vecDirection,
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float flSpeed, float flStartTime, float flDamageRadius,
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const Vector &vecTriggerMins, const Vector &vecTriggerMaxs ) = 0;
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};
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//=============================================================================
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//
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// Shared Meteor Spawner Class
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//
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class CEnvMeteorSpawnerShared
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{
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public:
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DECLARE_CLASS_NOBASE( CEnvMeteorSpawnerShared );
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DECLARE_EMBEDDED_NETWORKVAR();
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//-------------------------------------------------------------------------
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// Initialization.
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//-------------------------------------------------------------------------
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CEnvMeteorSpawnerShared();
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void Init( IMeteorFactory *pFactory, int nRandomSeed, float flTime,
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const Vector &vecMinBounds, const Vector &vecMaxBounds,
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const Vector &vecTriggerMins, const Vector &vecTriggerMaxs );
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//-------------------------------------------------------------------------
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// Method to generate meteors.
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// Time passed in here is global time, not delta time.
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// The function returns the time at which it must be called again.
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//-------------------------------------------------------------------------
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float MeteorThink( float flTime );
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//-------------------------------------------------------------------------
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// Add meteor target data, used to determine meteor travel direction.
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//-------------------------------------------------------------------------
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void AddToTargetList( const Vector &vecPosition, float flRadius );
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// Debugging!
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int GetRandomInt( int nMin, int nMax );
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float GetRandomFloat( float flMin, float flMax );
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public:
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// Factory.
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IMeteorFactory *m_pFactory; // Meteor creation factory.
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int m_nMeteorCount; // Number of meteors created - used as IDs
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// Initial spawner data.
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CNetworkVar( float, m_flStartTime ); // Start time.
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CNetworkVar( int, m_nRandomSeed ); // The random number stream seed.
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CNetworkVar( int, m_iMeteorType ); // Type of meteor.
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float m_flMeteorDamageRadius; // Meteor damage radius.
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CNetworkVar( bool, m_bSkybox ); // Is the spawner in the skybox?
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CNetworkVar( float, m_flMinSpawnTime ); // Spawn time - Min
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CNetworkVar( float, m_flMaxSpawnTime ); // Max
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CNetworkVar( int, m_nMinSpawnCount ); // Number of meteors to spawn - Min
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CNetworkVar( int, m_nMaxSpawnCount ); // Max
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CNetworkVector( m_vecMinBounds ); // Spawner volume (space) - Min
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CNetworkVector( m_vecMaxBounds ); // Max
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CNetworkVar( float, m_flMinSpeed ); // Meteor speed - Min
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CNetworkVar( float, m_flMaxSpeed ); // Max
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CNetworkVector( m_vecTriggerMins ); // World Bounds (Trigger) in 3D Skybox - Min
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CNetworkVector( m_vecTriggerMaxs ); // Max
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Vector m_vecTriggerCenter;
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// Generated data.
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int m_nRandomCallCount; // Debug! Keep track of number steam calls.
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float m_flNextSpawnTime; // Next meteor spawn time (random).
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CUniformRandomStream m_NumberStream; // Used to generate random numbers.
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// Use "Targets" to determine meteor direction(s).
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struct meteortarget_t
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{
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Vector m_vecPosition;
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float m_flRadius;
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};
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CUtlVector<meteortarget_t> m_aTargets;
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};
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#endif // ENV_METEOR_SHARED_H
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