summaryrefslogtreecommitdiff
path: root/game/client/tf2/fx_tf2_blood.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'game/client/tf2/fx_tf2_blood.cpp')
-rw-r--r--game/client/tf2/fx_tf2_blood.cpp347
1 files changed, 347 insertions, 0 deletions
diff --git a/game/client/tf2/fx_tf2_blood.cpp b/game/client/tf2/fx_tf2_blood.cpp
new file mode 100644
index 0000000..6b7e13a
--- /dev/null
+++ b/game/client/tf2/fx_tf2_blood.cpp
@@ -0,0 +1,347 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: A blood spray effect to expose successful hits.
+//
+//=============================================================================//
+
+#include "cbase.h"
+#include "clienteffectprecachesystem.h"
+#include "fx_sparks.h"
+#include "iefx.h"
+#include "c_te_effect_dispatch.h"
+#include "particles_ez.h"
+#include "decals.h"
+#include "engine/IEngineSound.h"
+#include "fx_quad.h"
+#include "engine/ivdebugoverlay.h"
+#include "shareddefs.h"
+#include "fx_blood.h"
+#include "tf_shareddefs.h"
+#include "view.h"
+#include "c_basetfplayer.h"
+
+CLIENTEFFECT_REGISTER_BEGIN( PrecacheEffectTF2BloodSpray )
+CLIENTEFFECT_MATERIAL( "effects/blood_gore" )
+CLIENTEFFECT_MATERIAL( "effects/blood_drop" )
+CLIENTEFFECT_MATERIAL( "effects/blood_puff" )
+CLIENTEFFECT_REGISTER_END()
+
+//-----------------------------------------------------------------------------
+// Purpose:
+// Input : origin -
+// normal -
+// scale -
+//-----------------------------------------------------------------------------
+void FX_TF2_BloodSpray( const Vector &origin, const Vector &normal, float scale, unsigned char r, unsigned char g, unsigned char b, int flags )
+{
+ if ( UTIL_IsLowViolence() )
+ return;
+
+ //debugoverlay->AddLineOverlay( origin, origin + normal * 72, 255, 255, 255, true, 10 );
+
+ float spread = 0.2f;
+ Vector color = Vector( r / 255.0f, g / 255.0f, b / 255.0f );
+ float colorRamp;
+ Vector offset;
+ int i;
+
+ Vector offDir;
+ Vector right;
+ Vector up;
+ Vector vecNormal = normal;
+
+ // Get the distance to the view
+ float flDistance = (origin - MainViewOrigin()).Length();
+ float flLODDistance = 0.25 * (flDistance / 512);
+ float flDistanceScale = 1.0 + flLODDistance;
+
+ if (vecNormal != Vector(0, 0, 1) )
+ {
+ right = vecNormal.Cross( Vector(0, 0, 1) );
+ up = right.Cross( vecNormal );
+ }
+ else
+ {
+ right = Vector(0, 0, 1);
+ up = right.Cross( vecNormal );
+ }
+
+ // If the normal's too close to being along the view, push it out
+ Vector vecForward, vecRight;
+ AngleVectors( MainViewAngles(), &vecForward, &vecRight, NULL );
+ float flDot = DotProduct( vecNormal, vecForward );
+ if ( fabs(flDot) > 0.5 )
+ {
+ float flPush = random->RandomFloat(0.5, 1.5) + flLODDistance;
+ float flRightDot = DotProduct( vecNormal, vecRight );
+ // If we're up close, randomly move it around. If we're at a distance, always push it to the side
+ // Up close, this can move it back towards the view, but the random chance still looks better
+ if ( ( flDistance >= 512 && flRightDot > 0 ) || ( flDistance < 512 && RandomFloat(0,1) > 0.5 ) )
+ {
+ // Turn it to the right
+ vecNormal += (vecRight * flPush);
+ }
+ else
+ {
+ // Turn it to the left
+ vecNormal -= (vecRight * flPush);
+ }
+ }
+
+ //
+ // Dump out drops
+ //
+ // Don't bother with these over midrange distance
+ if (flags & FX_BLOODSPRAY_DROPS && ( flDistance < 1500 ) )
+ {
+ TrailParticle *tParticle;
+
+ CSmartPtr<CTrailParticles> pTrailEmitter = CTrailParticles::Create( "blooddrops" );
+ if ( !pTrailEmitter )
+ return;
+
+ pTrailEmitter->SetSortOrigin( origin );
+
+ // Partial gravity on blood drops.
+ pTrailEmitter->SetGravity( 600.0 );
+
+ // Enable simple collisions with nearby surfaces.
+ pTrailEmitter->Setup(origin, &vecNormal, 1, 10, 100, 600, 0.2, 0 );
+
+ PMaterialHandle hMaterial = ParticleMgr()->GetPMaterial( "effects/blood_drop" );
+
+ //
+ // Long stringy drops of blood.
+ //
+ for ( i = 0; i < 7; i++ )
+ {
+ // Originate from within a circle 'scale' inches in diameter.
+ offset = origin;
+ offset += right * random->RandomFloat( -0.5f, 0.5f ) * scale;
+ offset += up * random->RandomFloat( -0.5f, 0.5f ) * scale;
+
+ tParticle = (TrailParticle *) pTrailEmitter->AddParticle( sizeof(TrailParticle), hMaterial, offset );
+
+ if ( tParticle == NULL )
+ break;
+
+ tParticle->m_flLifetime = 0.0f;
+
+ offDir = vecNormal + RandomVector( -0.3f, 0.3f );
+
+ tParticle->m_vecVelocity = offDir * random->RandomFloat( 4.0f * scale, 40.0f * scale );
+ tParticle->m_vecVelocity[2] += random->RandomFloat( 4.0f, 16.0f ) * scale;
+
+ tParticle->m_flWidth = random->RandomFloat( 0.5f, 1.0f ) * scale * (flDistanceScale * 1.25);
+ tParticle->m_flLength = random->RandomFloat( 0.02f, 0.03f ) * scale * (flDistanceScale * 1.25);
+ tParticle->m_flDieTime = random->RandomFloat( 0.5f, 1.0f );
+
+ // Ramp up the brightness as it gets farther away
+ colorRamp = random->RandomFloat( 0.5f, 0.75f ) + flLODDistance;
+ FloatToColor32( tParticle->m_color, MIN( 1.0, color[0] * colorRamp ), MIN( 1.0, color[1] * colorRamp ), MIN( 1.0, color[2] * colorRamp ), 1.0f );
+ }
+
+ //
+ // Shorter droplets.
+ //
+ // Only do these at short range
+ if ( flDistance < 512 )
+ {
+ for ( i = 0; i < 10; i++ )
+ {
+ // Originate from within a circle 'scale' inches in diameter.
+ offset = origin;
+ offset += right * random->RandomFloat( -0.5f, 0.5f ) * scale;
+ offset += up * random->RandomFloat( -0.5f, 0.5f ) * scale;
+
+ tParticle = (TrailParticle *) pTrailEmitter->AddParticle( sizeof(TrailParticle), hMaterial, offset );
+
+ if ( tParticle == NULL )
+ break;
+
+ tParticle->m_flLifetime = 0.0f;
+
+ offDir = vecNormal + RandomVector( -1.0f, 1.0f );
+ offDir[2] += random->RandomFloat(0, 1.0f);
+
+ tParticle->m_vecVelocity = offDir * random->RandomFloat( 2.0f * scale, 25.0f * scale );
+ tParticle->m_vecVelocity[2] += random->RandomFloat( 4.0f, 16.0f ) * scale;
+
+ tParticle->m_flWidth = random->RandomFloat( 0.25f, 0.375f ) * scale * flDistanceScale;
+ tParticle->m_flLength = random->RandomFloat( 0.0025f, 0.005f ) * scale * flDistanceScale;
+ tParticle->m_flDieTime = random->RandomFloat( 0.5f, 1.0f );
+
+ colorRamp = random->RandomFloat( 0.5f, 0.75f ) + flLODDistance;
+ FloatToColor32( tParticle->m_color, MIN( 1.0, color[0] * colorRamp ), MIN( 1.0, color[1] * colorRamp ), MIN( 1.0, color[2] * colorRamp ), 1.0f );
+ }
+ }
+ }
+
+ if ((flags & FX_BLOODSPRAY_GORE) || (flags & FX_BLOODSPRAY_CLOUD))
+ {
+ CSmartPtr<CBloodSprayEmitter> pSimple = CBloodSprayEmitter::Create( "bloodgore" );
+ if ( !pSimple )
+ return;
+
+ pSimple->SetSortOrigin( origin );
+ pSimple->SetGravity( 0 );
+
+ PMaterialHandle hMaterial;
+
+ //
+ // Tight blossom of blood at the center.
+ //
+ if (flags & FX_BLOODSPRAY_GORE)
+ {
+ hMaterial = ParticleMgr()->GetPMaterial( "effects/blood_gore" );
+
+ SimpleParticle *pParticle;
+
+ for ( i = 0; i < 6; i++ )
+ {
+ // Originate from within a circle 'scale' inches in diameter.
+ offset = origin + ( 0.5 * scale * vecNormal );
+ offset += right * random->RandomFloat( -0.5f, 0.5f ) * scale;
+ offset += up * random->RandomFloat( -0.5f, 0.5f ) * scale;
+
+ pParticle = (SimpleParticle *) pSimple->AddParticle( sizeof( SimpleParticle ), hMaterial, offset );
+
+ if ( pParticle != NULL )
+ {
+ pParticle->m_flLifetime = 0.0f;
+ pParticle->m_flDieTime = 0.3f;
+
+ spread = 0.2f;
+ pParticle->m_vecVelocity.Random( -spread, spread );
+ pParticle->m_vecVelocity += vecNormal * random->RandomInt( 10, 100 );
+ //VectorNormalize( pParticle->m_vecVelocity );
+
+ colorRamp = random->RandomFloat( 0.75f, 1.0f ) + flLODDistance;
+
+ pParticle->m_uchColor[0] = MIN( 1.0f, color[0] * colorRamp ) * 255.0f;
+ pParticle->m_uchColor[1] = MIN( 1.0f, color[1] * colorRamp ) * 255.0f;
+ pParticle->m_uchColor[2] = MIN( 1.0f, color[2] * colorRamp ) * 255.0f;
+
+ pParticle->m_uchStartSize = random->RandomFloat( scale, scale * 4 ) * flDistanceScale;
+ pParticle->m_uchEndSize = pParticle->m_uchStartSize * 2 * flDistanceScale;
+
+ pParticle->m_uchStartAlpha = random->RandomInt( 200, 255 );
+ pParticle->m_uchEndAlpha = 0;
+
+ pParticle->m_flRoll = random->RandomInt( 0, 360 );
+ pParticle->m_flRollDelta = random->RandomFloat( -4.0f, 4.0f );
+ }
+ }
+ }
+
+ //
+ // Diffuse cloud just in front of the exit wound.
+ //
+ if (flags & FX_BLOODSPRAY_CLOUD)
+ {
+ hMaterial = ParticleMgr()->GetPMaterial( "effects/blood_puff" );
+
+ SimpleParticle *pParticle;
+
+ for ( i = 0; i < 6; i++ )
+ {
+ // Originate from within a circle '2 * scale' inches in diameter.
+ offset = origin + ( scale * vecNormal * 0.5 );
+ offset += right * random->RandomFloat( -1, 1 ) * scale;
+ offset += up * random->RandomFloat( -1, 1 ) * scale;
+
+ pParticle = (SimpleParticle *) pSimple->AddParticle( sizeof( SimpleParticle ), hMaterial, offset );
+
+ if ( pParticle != NULL )
+ {
+ pParticle->m_flLifetime = 0.0f;
+ pParticle->m_flDieTime = random->RandomFloat( 0.5f, 0.8f);
+
+ spread = 0.5f;
+ pParticle->m_vecVelocity.Random( -spread, spread );
+ pParticle->m_vecVelocity += vecNormal * random->RandomInt( 100, 200 );
+
+ colorRamp = random->RandomFloat( 0.5f, 0.75f ) + flLODDistance;
+
+ pParticle->m_uchColor[0] = MIN( 1.0f, color[0] * colorRamp ) * 255.0f;
+ pParticle->m_uchColor[1] = MIN( 1.0f, color[1] * colorRamp ) * 255.0f;
+ pParticle->m_uchColor[2] = MIN( 1.0f, color[2] * colorRamp ) * 255.0f;
+
+ pParticle->m_uchStartSize = random->RandomFloat( scale * 0.5, scale ) * flDistanceScale;
+ pParticle->m_uchEndSize = pParticle->m_uchStartSize * 4 * flDistanceScale;
+
+ pParticle->m_uchStartAlpha = random->RandomInt( 80, 128 );
+ pParticle->m_uchEndAlpha = 0;
+
+ pParticle->m_flRoll = random->RandomInt( 0, 360 );
+ pParticle->m_flRollDelta = random->RandomFloat( -4.0f, 4.0f );
+ }
+ }
+ }
+ }
+
+ // TODO: Play a sound?
+ //CLocalPlayerFilter filter;
+ //C_BaseEntity::EmitSound( filter, SOUND_FROM_WORLD, CHAN_VOICE, "Physics.WaterSplash", 1.0, ATTN_NORM, 0, 100, &origin );
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose:
+// Input : bloodtype -
+// r -
+// g -
+// b -
+//-----------------------------------------------------------------------------
+void GetBloodColorForTeam( int iTeam, unsigned char &r, unsigned char &g, unsigned char &b )
+{
+ if ( iTeam == TEAM_ALIENS )
+ {
+ r = 0;
+ g = 255;
+ b = 0;
+ }
+ else if ( iTeam == TEAM_HUMANS )
+ {
+ // Humans
+ r = 255;
+ g = 0;
+ b = 0;
+ }
+ else
+ {
+ // NPCs?
+ r = 200;
+ g = 0;
+ b = 0;
+ }
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Intercepts the blood spray message.
+//-----------------------------------------------------------------------------
+void TF2BloodSprayCallback( const CEffectData &data )
+{
+ unsigned char r = 0;
+ unsigned char g = 0;
+ unsigned char b = 0;
+
+ // Get the entity we've hit
+ C_BaseEntity *pEntity = ClientEntityList().GetEnt( data.m_nEntIndex );
+ if ( pEntity )
+ {
+ GetBloodColorForTeam( pEntity->GetTeamNumber(), r, g, b );
+ if ( pEntity->IsPlayer() )
+ {
+ C_BaseTFPlayer *pPlayer = (C_BaseTFPlayer *)pEntity;
+ pPlayer->PainSound();
+ }
+ }
+ else
+ {
+ GetBloodColorForTeam( 0, r, g, b );
+ }
+ FX_TF2_BloodSpray( data.m_vOrigin, data.m_vNormal, data.m_flScale, r, g, b, data.m_fFlags );
+}
+
+DECLARE_CLIENT_EFFECT( "tf2blood", TF2BloodSprayCallback );
generated by cgit v1.2.3 (git 2.25.1) at 2026-06-07 07:24:41 +0000