mirror of
https://gitea.wildfiregames.com/0ad/0ad
synced 2026-06-16 13:23:56 -07:00
e4ed1d52b9
moved some fields (e.g. size of health bar) out of CEntity and into BaseEntity so they can be shared between entities (instead of duplicated in each). TODO: is it ok to remove AddProperty for those properties in CEntity? (BaseEntity is still adding them) This was SVN commit r4078.
349 lines
10 KiB
C++
349 lines
10 KiB
C++
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#include "precompiled.h"
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#include "EntityManager.h"
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#include "BaseEntityCollection.h"
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#include "ps/ConfigDB.h"
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#include "ps/Profile.h"
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#include "graphics/Terrain.h"
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#include "ps/Game.h"
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#include "maths/MathUtil.h"
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#include "Entity.h"
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int SELECTION_CIRCLE_POINTS;
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int SELECTION_BOX_POINTS;
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int SELECTION_SMOOTHNESS_UNIFIED = 9;
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CEntityManager::CEntityManager()
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: m_collisionPatches(0)
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, m_entities() // janwas: default-initialize entire array;
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// CHandle ctor sets m_entity and m_refcount to 0
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{
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m_nextalloc = 0;
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m_extant = true;
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m_death = false;
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// Also load a couple of global entity settings
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CConfigValue* cfg = g_ConfigDB.GetValue( CFG_USER, "selection.outline.quality" );
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if( cfg ) cfg->GetInt( SELECTION_SMOOTHNESS_UNIFIED );
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if( SELECTION_SMOOTHNESS_UNIFIED < 0 ) SELECTION_SMOOTHNESS_UNIFIED = 0;
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SELECTION_CIRCLE_POINTS = 7 + 2 * SELECTION_SMOOTHNESS_UNIFIED;
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SELECTION_BOX_POINTS = 1 + SELECTION_SMOOTHNESS_UNIFIED;
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}
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CEntityManager::~CEntityManager()
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{
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m_extant = false;
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for( int i = 0; i < MAX_HANDLES; i++ )
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{
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if( m_entities[i].m_refcount )
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{
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delete( m_entities[i].m_entity );
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m_entities[i].m_entity = 0;
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m_entities[i].m_refcount = 0;
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}
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}
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// Delete entities that were killed, but not yet reaped by a call to updateAll,
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// to avoid memory leak warnings upon exiting
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std::vector<CEntity*>::iterator it;
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for( it = m_reaper.begin(); it < m_reaper.end(); it++ )
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delete( *it );
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m_reaper.clear();
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delete[] m_collisionPatches;
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m_collisionPatches = 0;
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}
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void CEntityManager::deleteAll()
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{
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m_extant = false;
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for( int i = 0; i < MAX_HANDLES; i++ )
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if( m_entities[i].m_refcount )
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{
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delete( m_entities[i].m_entity );
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m_entities[i].m_entity = 0;
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m_entities[i].m_refcount = 0;
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}
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m_nextalloc = 0;
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m_extant = true;
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}
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HEntity CEntityManager::create( CBaseEntity* base, CVector3D position, float orientation, const std::set<CStrW>& actorSelections )
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{
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debug_assert( base );
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if( !base )
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return HEntity();
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while( m_entities[m_nextalloc].m_refcount )
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{
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m_nextalloc++;
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if(m_nextalloc >= MAX_HANDLES)
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{
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debug_warn("Ran out of entity handles!");
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return HEntity();
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}
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}
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m_entities[m_nextalloc].m_entity = new CEntity( base, position, orientation, actorSelections );
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if( m_collisionPatches)
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m_entities[m_nextalloc].m_entity->updateCollisionPatch();
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m_entities[m_nextalloc].m_entity->me = HEntity( m_nextalloc );
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return( HEntity( m_nextalloc++ ) );
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}
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HEntity CEntityManager::create( CStrW templateName, CPlayer* player, CVector3D position, float orientation )
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{
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CBaseEntity* base = g_EntityTemplateCollection.getTemplate( templateName, player );
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debug_assert( base );
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if( !base )
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return HEntity();
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std::set<CStrW> selections;
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return create( base, position, orientation, selections );
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}
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HEntity CEntityManager::createFoundation( CStrW templateName, CPlayer* player, CVector3D position, float orientation )
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{
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CBaseEntity* base = g_EntityTemplateCollection.getTemplate( templateName, player );
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debug_assert( base );
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if( !base )
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return HEntity();
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std::set<CStrW> selections;
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if( base->m_foundation == L"" )
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return create( base, position, orientation, selections ); // Entity has no foundation, so just create it
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CBaseEntity* foundation = g_EntityTemplateCollection.getTemplate( base->m_foundation );
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debug_assert( foundation );
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if( !foundation )
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return HEntity();
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while( m_entities[m_nextalloc].m_refcount )
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{
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m_nextalloc++;
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if(m_nextalloc >= MAX_HANDLES)
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{
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debug_warn("Ran out of entity handles!");
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return HEntity();
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}
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}
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m_entities[m_nextalloc].m_entity = new CEntity( foundation, position, orientation, selections, templateName );
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if( m_collisionPatches)
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m_entities[m_nextalloc].m_entity->updateCollisionPatch();
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m_entities[m_nextalloc].m_entity->me = HEntity( m_nextalloc );
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return( HEntity( m_nextalloc++ ) );
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}
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HEntity* CEntityManager::getByHandle( u16 index )
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{
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if( index >= MAX_HANDLES ) return( NULL );
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if( !m_entities[index].m_refcount ) return( NULL );
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return( new HEntity( index ) );
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}
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CHandle *CEntityManager::getHandle( int index )
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{
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if (!m_entities[index].m_refcount )
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return NULL;
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return &m_entities[index];
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}
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std::vector<HEntity>* CEntityManager::matches( EntityPredicate predicate, void* userdata )
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{
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std::vector<HEntity>* matchlist = new std::vector<HEntity>;
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for( int i = 0; i < MAX_HANDLES; i++ )
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if( m_entities[i].m_refcount && !m_entities[i].m_entity->m_destroyed )
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if( predicate( m_entities[i].m_entity, userdata ) )
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matchlist->push_back( HEntity( i ) );
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return( matchlist );
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}
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std::vector<HEntity>* CEntityManager::getExtant()
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{
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std::vector<HEntity>* activelist = new std::vector<HEntity>;
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for( int i = 0; i < MAX_HANDLES; i++ )
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if( m_entities[i].m_refcount && !m_entities[i].m_entity->m_destroyed )
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activelist->push_back( HEntity( i ) );
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return( activelist );
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}
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void CEntityManager::GetExtant( std::vector<CEntity*>& results )
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{
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results.clear();
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for( int i = 0; i < MAX_HANDLES; i++ )
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if( m_entities[i].m_refcount && !m_entities[i].m_entity->m_destroyed && m_entities[i].m_entity->m_extant )
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results.push_back( m_entities[i].m_entity );
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}
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void CEntityManager::GetInRange( float x, float z, float radius, std::vector<CEntity*>& results )
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{
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results.clear();
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int cx = (int) ( x / COLLISION_PATCH_SIZE );
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int cz = (int) ( z / COLLISION_PATCH_SIZE );
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int r = (int) ( radius / COLLISION_PATCH_SIZE + 1 );
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int minX = MAX(cx-r, 0);
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int minZ = MAX(cz-r, 0);
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int maxX = MIN(cx+r, m_collisionPatchesPerSide-1);
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int maxZ = MIN(cz+r, m_collisionPatchesPerSide-1);
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for( int px = minX; px <= maxX; px++ )
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{
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for( int pz = minZ; pz <= maxZ; pz++ )
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{
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std::vector<CEntity*>& vec = m_collisionPatches[ px * m_collisionPatchesPerSide + pz ];
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for( std::vector<CEntity*>::iterator it = vec.begin(); it != vec.end(); it++ )
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{
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CEntity* e = *it;
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float dx = x - e->m_position.X;
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float dz = z - e->m_position.Z;
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if(dx*dx + dz*dz <= radius*radius)
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{
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results.push_back( e );
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}
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}
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}
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}
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}
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/*
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void CEntityManager::dispatchAll( CMessage* msg )
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{
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for( int i = 0; i < MAX_HANDLES; i++ )
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if( m_entities[i].m_refcount && m_entities[i].m_entity->m_extant )
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m_entities[i].m_entity->dispatch( msg );
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}
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*/
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TIMER_ADD_CLIENT(tc_1);
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TIMER_ADD_CLIENT(tc_2);
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void CEntityManager::InitializeAll()
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{
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CTerrain* terrain = g_Game->GetWorld()->GetTerrain();
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int unitsPerSide = CELL_SIZE * ( terrain->GetVerticesPerSide() - 1 );
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m_collisionPatchesPerSide = unitsPerSide / COLLISION_PATCH_SIZE + 1;
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m_collisionPatches = new std::vector<CEntity*>[m_collisionPatchesPerSide * m_collisionPatchesPerSide];
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for( int i = 0; i < MAX_HANDLES; i++ )
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{
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if( m_entities[i].m_refcount && !m_entities[i].m_entity->m_destroyed )
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{
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// [2006-06-26 2780ms total]
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CEntity* e = m_entities[i].m_entity;
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e->Initialize();
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// [2006-06-26 8ms total]
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e->updateCollisionPatch();
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}
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}
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}
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void CEntityManager::TickAll()
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{
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for( int i = 0; i < MAX_HANDLES; i++ )
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if( m_entities[i].m_refcount && !m_entities[i].m_entity->m_destroyed && m_entities[i].m_entity->m_extant )
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m_entities[i].m_entity->Tick();
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}
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void CEntityManager::updateAll( size_t timestep )
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{
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PROFILE_START( "reaper" );
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std::vector<CEntity*>::iterator it;
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for( it = m_reaper.begin(); it < m_reaper.end(); it++ )
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delete( *it );
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m_reaper.clear();
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PROFILE_END( "reaper" );
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// PT: TickAll (which sends the 'Tick' event to all entities) has been
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// disabled, because:
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// * it's very slow (particularly when there are thousands of entities, e.g. trees);
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// * no entity currently responds to tick events;
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// * nobody can think of a situation where ticks would be required in the future;
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// * if they ever are needed, they can be done more efficiently (e.g. by
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// adding a per-entity 'wants tick' flag);
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// * it's very slow.
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/*
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PROFILE_START( "tick all" );
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TickAll();
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PROFILE_END( "tick all" );
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*/
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PROFILE_START( "update all" );
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for( int i = 0; i < MAX_HANDLES; i++ )
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if( m_entities[i].m_refcount && !m_entities[i].m_entity->m_destroyed )
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m_entities[i].m_entity->update( timestep );
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PROFILE_END( "update all" );
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}
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void CEntityManager::interpolateAll( float relativeoffset )
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{
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for( int i = 0; i < MAX_HANDLES; i++ )
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if( m_entities[i].m_refcount && !m_entities[i].m_entity->m_destroyed )
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m_entities[i].m_entity->interpolate( relativeoffset );
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}
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void CEntityManager::renderAll()
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{
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for( int i = 0; i < MAX_HANDLES; i++ )
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if( m_entities[i].m_refcount && !m_entities[i].m_entity->m_destroyed )
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m_entities[i].m_entity->render();
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}
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void CEntityManager::conformAll()
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{
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PROFILE_START("conform all");
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for ( int i=0; i < MAX_HANDLES; i++ )
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{
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if( m_entities[i].m_refcount && !m_entities[i].m_entity->m_destroyed )
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{
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CEntity* entity = m_entities[i].m_entity;
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CVector2D targetXZ = g_Game->GetWorld()->GetTerrain()->getSlopeAngleFace( entity->m_position.X, entity->m_position.Z, entity );
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while( targetXZ.x > PI ) targetXZ.x -= 2 * PI;
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while( targetXZ.x < -PI ) targetXZ.x += 2 * PI;
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while( targetXZ.y > PI ) targetXZ.y -= 2 * PI;
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while( targetXZ.y < -PI ) targetXZ.y += 2 * PI;
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entity->m_orientation.X = clamp( targetXZ.x, -entity->m_base->m_anchorConformX, entity->m_base->m_anchorConformX );
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entity->m_orientation.Z = clamp( targetXZ.y, -entity->m_base->m_anchorConformZ, entity->m_base->m_anchorConformZ );
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entity->m_orientation_unclamped.x = targetXZ.x;
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entity->m_orientation_unclamped.y = targetXZ.y;
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entity->updateActorTransforms();
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}
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}
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PROFILE_END("conform all");
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}
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void CEntityManager::invalidateAll()
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{
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for( int i = 0; i < MAX_HANDLES; i++ )
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if( m_entities[i].m_refcount && !m_entities[i].m_entity->m_destroyed )
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m_entities[i].m_entity->invalidateActor();
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}
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void CEntityManager::destroy( u16 handle )
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{
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m_reaper.push_back( m_entities[handle].m_entity );
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m_entities[handle].m_entity->me.m_handle = INVALID_HANDLE;
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}
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bool CEntityManager::m_extant = false;
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std::vector<CEntity*>* CEntityManager::getCollisionPatch( CEntity* e )
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{
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if( !e->m_extant )
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{
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return 0;
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}
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int ix = (int) ( e->m_position.X / COLLISION_PATCH_SIZE );
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int iz = (int) ( e->m_position.Z / COLLISION_PATCH_SIZE );
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return &m_collisionPatches[ ix * m_collisionPatchesPerSide + iz ];
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}
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