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120 lines
3.3 KiB
C++
120 lines
3.3 KiB
C++
//****************************************************************************
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//* MODULE: Gfx
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//* FILENAME: p_nxParticleMgr.cpp
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//* OWNER: Paul Robinson
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//* CREATION DATE: 3/27/2002
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//****************************************************************************
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#include <core/defines.h>
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#include "gfx/nx.h"
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#include "gfx/nxparticlemgr.h"
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namespace Nx
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{
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void process_particles( float delta_time )
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{
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// plat_process_particles( delta_time );
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if( CEngine::sGetParticleTable() )
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{
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CParticle *p_particle;
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CEngine::sGetParticleTable()->IterateStart();
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while(( p_particle = CEngine::sGetParticleTable()->IterateNext()))
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{
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if ( p_particle->IsActive() ) p_particle->process( delta_time );
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}
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}
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}
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void render_particles( void )
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{
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// plat_process_particles( delta_time );
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if( CEngine::sGetParticleTable() )
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{
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CParticle *p_particle;
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CEngine::sGetParticleTable()->IterateStart();
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while(( p_particle = CEngine::sGetParticleTable()->IterateNext()))
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{
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if ( p_particle->IsActive() ) p_particle->render();
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}
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}
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}
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CParticle* get_particle( uint32 checksum )
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{
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CParticle *p_particle = NULL;
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if( CEngine::sGetParticleTable() )
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{
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p_particle = CEngine::sGetParticleTable()->GetItem( checksum );
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}
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return p_particle;
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}
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CParticle* create_particle( uint32 checksum, uint32 type_checksum, int max_particles, int max_streams, uint32 texture_checksum, uint32 blendmode_checksum, int fix, int num_segments, float split, int history, int perm )
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{
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// Types to add:
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// 1. Flat color quad
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// 2. Gouraud quad
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// 3. n sided glow (center color + outer color)
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// 4. n sided 2 layer glow ( center color + mid color + outer color)
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// 5. n spiked star (center color + mid color + spike color)
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// 6. Lines (current color + previous color)
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// 7. Ribbons - volumetric lines made from quads (current color + previous color)
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CParticle *p_particle = plat_create_particle( checksum, type_checksum, max_particles, max_streams, texture_checksum, blendmode_checksum, fix, num_segments, split, history );
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p_particle->SetPerm(perm);
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p_particle->SetActive( true );
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p_particle->SetEmitting( false ); // This is already set to false, this si just a reminder
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// Add to our list of particles.
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CEngine::sGetParticleTable()->PutItem( checksum, p_particle );
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return p_particle;
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}
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void destroy_particle( uint32 checksum )
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{
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CParticle * p = get_particle( checksum ); // get item
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CEngine::sGetParticleTable()->FlushItem( checksum ); // remove reference from hash table
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delete p; // deleted particle, will remove itself from the table
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}
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void destroy_particle_when_empty( uint32 checksum )
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{
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CParticle * p = get_particle( checksum ); // get item
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p->delete_when_empty();
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}
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void destroy_all_particles( )
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{
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if( CEngine::sGetParticleTable() )
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{
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CParticle *p_particle;
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CEngine::sGetParticleTable()->IterateStart();
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while(( p_particle = CEngine::sGetParticleTable()->IterateNext()))
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{
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delete p_particle;
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}
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}
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}
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void destroy_all_temp_particles( )
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{
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if( CEngine::sGetParticleTable() )
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{
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CParticle *p_particle;
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CEngine::sGetParticleTable()->IterateStart();
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while(( p_particle = CEngine::sGetParticleTable()->IterateNext()))
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{
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if (!p_particle->IsPerm())
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{
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delete p_particle;
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}
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}
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}
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}
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} // Nx
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