mirror of
https://github.com/nillerusr/source-engine.git
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141 lines
3.3 KiB
C++
141 lines
3.3 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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#include "cbase.h"
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#include "c_dod_smokegrenade.h"
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#include "dod_shareddefs.h"
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#include "tier1/KeyValues.h"
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#include "toolframework_client.h"
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#include "fx.h"
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#include "view.h"
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#include "smoke_fog_overlay.h"
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IMPLEMENT_NETWORKCLASS_ALIASED( DODSmokeGrenade, DT_DODSmokeGrenade )
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BEGIN_RECV_TABLE(C_DODSmokeGrenade, DT_DODSmokeGrenade )
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RecvPropTime(RECVINFO(m_flSmokeSpawnTime)),
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END_NETWORK_TABLE()
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//-----------------------------------------------------------------------------
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// Purpose:
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//-----------------------------------------------------------------------------
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C_DODSmokeGrenade::C_DODSmokeGrenade( void )
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{
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}
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const char *C_DODSmokeGrenade::GetOverviewSpriteName( void )
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{
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const char *pszSprite = "";
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switch( GetTeamNumber() )
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{
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case TEAM_ALLIES:
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pszSprite = "sprites/minimap_icons/minimap_smoke_us";
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break;
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case TEAM_AXIS:
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pszSprite = "sprites/minimap_icons/minimap_smoke_ger";
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break;
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default:
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break;
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}
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return pszSprite;
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}
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void C_DODSmokeGrenade::OnDataChanged( DataUpdateType_t updateType )
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{
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BaseClass::OnDataChanged(updateType);
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if(updateType == DATA_UPDATE_CREATED )
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{
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SetNextClientThink( CLIENT_THINK_ALWAYS );
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}
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}
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static inline float& EngineGetSmokeFogOverlayAlpha()
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{
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return g_SmokeFogOverlayAlpha;
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}
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#define SMOKE_CLOUD_RADIUS 330
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#define EXPAND_TIME 2.0
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float C_DODSmokeGrenade::CalcSmokeCloudRadius( void )
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{
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float flLifetime = gpGlobals->curtime - m_flSmokeSpawnTime;
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if( flLifetime > EXPAND_TIME )
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flLifetime = EXPAND_TIME;
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float flRadius = SMOKE_CLOUD_RADIUS * (float)sin(flLifetime * M_PI * 0.5 / EXPAND_TIME);
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return flRadius;
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}
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float C_DODSmokeGrenade::CalcSmokeCloudAlpha( void )
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{
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float flLifetime = gpGlobals->curtime - m_flSmokeSpawnTime;
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//if( flLifetime > SMOKESPHERE_EXPAND_TIME )
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// flLifetime = SMOKESPHERE_EXPAND_TIME;
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const float flFadedInTime = 3;
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const float flStartFadingOutTime = 9;
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const float flEndFadingOutTime = 12;
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float flFadeAlpha;
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// Update our fade alpha.
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if( flLifetime < flFadedInTime )
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{
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float fadePercent = flLifetime / flFadedInTime;
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flFadeAlpha = SimpleSpline( fadePercent );
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}
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else if ( flLifetime > flEndFadingOutTime )
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{
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flFadeAlpha = 0.0;
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}
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else if ( flLifetime > flStartFadingOutTime )
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{
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float fadePercent = ( flLifetime - flStartFadingOutTime ) / ( flEndFadingOutTime - flStartFadingOutTime );
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flFadeAlpha = SimpleSpline( 1.0 - fadePercent );
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}
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else
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{
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flFadeAlpha = 1.0;
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}
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return flFadeAlpha;
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}
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// Add our influence to the global smoke fog alpha.
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void C_DODSmokeGrenade::ClientThink( void )
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{
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if ( m_flSmokeSpawnTime > 0 )
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{
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float flExpandRadius = CalcSmokeCloudRadius();
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Vector vecSmokePos = GetAbsOrigin();
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vecSmokePos.z += 32;
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float testDist = (MainViewOrigin() - vecSmokePos).Length();
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// The center of the smoke cloud that always gives full fog overlay
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float flCoreDistance = flExpandRadius * 0.3;
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if( testDist < flExpandRadius )
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{
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float flFadeAlpha = CalcSmokeCloudAlpha();
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if( testDist < flCoreDistance )
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{
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EngineGetSmokeFogOverlayAlpha() += flFadeAlpha;
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}
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else
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{
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EngineGetSmokeFogOverlayAlpha() += (1 - ( testDist - flCoreDistance ) / ( flExpandRadius - flCoreDistance ) ) * flFadeAlpha;
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}
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}
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}
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} |