Cocos2d-x 地图行走的实现2

#include "LayerMapWalk.h" #include "Graph\Graph.h" #include "MapWalkVertex.h" #include "json\writer.h" #include "json\reader.h" #include <iostream> #include <fstream> #include "RoleKaito.h" #include "Graph\Dijkstra.h" #include "Graph\Spfa.h" #include "LayerHudControl.h" #define ZOrderLine -1 #define ZOrderVertex 2 #define ZOrderRole 3 LayerMapWalk::LayerMapWalk( ) { m_pGraph = 0 ; } LayerMapWalk::~LayerMapWalk( ) { if ( m_pGraph ) { delete m_pGraph ; } } bool LayerMapWalk::init( ) { this->setTouchMode( Touch::DispatchMode::ONE_BY_ONE ) ; this->setTouchEnabled( true ) ; m_Mode = OperationMode::PutVertex ; // 背景图 //auto pSpr = Sprite::create( "map_bg.png" ) ; //this->addChild( pSpr , -2 ) ; // 初始化编辑数据 auto pSprEdgeEditLine = Sprite::create( "line.png" ) ; //pSprEdgeEditLine->setColor( Color3B( 0 , 0 , 255 ) ) ; m_EditData.pSprEdgeLine = pSprEdgeEditLine ; this->addChild( pSprEdgeEditLine ) ; pSprEdgeEditLine->setVisible( false ) ; pSprEdgeEditLine->setAnchorPoint( Point( 0 , 0.5 ) ) ; // 初始化角色 m_pRole = RoleKaito::create( ) ; m_pRole->setPosition( 100 , 100 ) ; m_pRole->setLocalZOrder( ZOrderRole ) ; this->addChild( m_pRole ) ; m_pRole->setVisible( false ) ; // 初始化ID分配表 for ( int i = 0 ; i < 1000 ; ++i ) { char sz[ 100 ] ; sprintf( sz , "%d" , i ) ; m_VertexIdTable[ sz ] = 0 ; } m_pGraph = new Graph( ) ; return true ; } bool LayerMapWalk::onTouchBegan( Touch *touch , Event *unused_event ) { auto pos = touch->getLocation() ; switch ( m_Mode ) { case OperationMode::PutVertex: { // 坐标变换 pos = this->convertToNodeSpaceAR( pos ) ; auto pMwv = HitMapWalkVertex( pos ) ; if ( pMwv ) { m_Mode = OperationMode::DragEdge ; auto pSprLine = m_EditData.pSprEdgeLine ; pSprLine->setPosition( pos ) ; pSprLine->setVisible( true ) ; MakeLine( pSprLine , pSprLine->getPosition( ) , pos ) ; m_EditData.pMwv = pMwv ; } else { // 创建地图行走的顶点 auto pMwv = MapWalkVertex::create( ) ; pMwv->setPosition( pos ) ; AddVertex( pMwv ) ; } } break; case OperationMode::DragContent: { m_EditData.ptDrag = pos - this->getPosition( ) ; } break; case OperationMode::PositionRole: { // 坐标变换 pos = this->convertToNodeSpaceAR( pos ) ; auto pMwv = HitMapWalkVertex( pos ) ; if ( pMwv ) { m_pRole->setPosition( pMwv->getPosition( ) ) ; m_pRole->setVisible( true ) ; m_pRole->UserData[ "StartVertex" ] = pMwv ; } } break; case OperationMode::RoleWalk: { pos = this->convertToNodeSpaceAR( pos ) ; auto pMwv = HitMapWalkVertex( pos ) ; if ( pMwv ) { auto pVertex = pMwv->GetGraphVertex( ) ; // 起点 MapWalkVertex* pMwvStart = ( MapWalkVertex*)m_pRole->UserData[ "StartVertex" ] ; int nTimeStart ; int Elapsed ; char sz[ 256 ] ; string strElapseds ; // 计算最短路径。用Dijkstra nTimeStart = ::clock( ) ; Dijkstra Dijkstra ; Dijkstra.Execute( *m_pGraph , pMwvStart->GetGraphVertex()->GetId() ) ; Elapsed = ::clock( ) - nTimeStart ; sprintf( sz , "Dijkstra : %d ms \n" , Elapsed ) ; strElapseds += sz ; // 用 Spfa nTimeStart = ::clock( ) ; Spfa spfa ; spfa.Execute( *m_pGraph , pMwvStart->GetGraphVertex( )->GetId( ) ) ; Elapsed = ::clock( ) - nTimeStart ; sprintf( sz , "Spfa : %d ms \n" , Elapsed ) ; strElapseds += sz ; m_pLayerHudControl->m_pTxtInfo2->setString( strElapseds ) ; // 取得路径序列 vector< MapWalkVertex* > MwvSeq ; //const auto& PathTree = spfa.GetResult( ).PathTree ; MwvSeq.push_back( pMwv ) ; //for ( auto it = PathTree.find( pVertex ) , end = PathTree.end( ); // it->second != 0 && it != end ; // it = PathTree.find( it->second ) ) //{ // MwvSeq.push_back( ( MapWalkVertex* ) it->second->UserData[ "mwv" ] ) ; //} for ( Vertex* pParent = pVertex->PathfindingData.pParent ; pParent != 0 ; pParent = pParent->PathfindingData.pParent ) { MwvSeq.push_back( ( MapWalkVertex* ) pParent->UserData[ "mwv" ] ) ; } // 开始行走动画 StartWalk( MwvSeq ) ; } } break ; } return true ; } void LayerMapWalk::onTouchMoved( Touch *touch , Event *unused_event ) { auto pos = touch->getLocation( ) ; switch ( m_Mode ) { case OperationMode::DragEdge: { // 坐标变换 pos = this->convertToNodeSpaceAR( pos ) ; auto pSprLine = m_EditData.pSprEdgeLine ; MakeLine( pSprLine , pSprLine->getPosition( ) , pos ) ; } break; case OperationMode::DragContent: { Point pt = pos - m_EditData.ptDrag ; this->setPosition( pt ) ; } break; } } void LayerMapWalk::onTouchEnded( Touch *touch , Event *unused_event ) { // 坐标变换 auto pos = this->convertTouchToNodeSpaceAR( touch ) ; switch ( m_Mode ) { case OperationMode::DragEdge: { auto pMwv = HitMapWalkVertex( pos ) ; if ( pMwv ) { AddEdge( m_EditData.pMwv , pMwv ) ; m_EditData.pSprEdgeLine->setVisible( false ) ; m_Mode = OperationMode::PutVertex ; } else { m_EditData.pSprEdgeLine->setVisible( false ) ; m_Mode = OperationMode::PutVertex ; } } break; } } MapWalkVertex* LayerMapWalk::HitMapWalkVertex( const Point& pos ) { MapWalkVertex * pRet = 0 ; // 是否命中节点 for ( auto& it : m_MapWalkVertexes ) { auto v = pos - it->getPosition( ) ; if ( v.getLengthSq( ) < 50 * 50 ) { pRet = it ; break; } } return pRet ; } void LayerMapWalk::MakeLine( Sprite* pSpr , const Point& pt1 , const Point& pt2 ) { // 设置锚点与位置 pSpr->setAnchorPoint( Point( 0 , 0.5 ) ) ; pSpr->setPosition( pt1 ) ; // 缩放 float width = pSpr->getTexture( )->getContentSize( ).width ; auto v = pt2 - pt1 ; float len = v.getLength( ) ; float ScaleX = len / width ; pSpr->setScaleX( ScaleX ) ; // 旋转 float rad = v.getAngle( ) ; float Rotation = CC_RADIANS_TO_DEGREES( -rad ) ; pSpr->setRotation( Rotation ) ; } void LayerMapWalk::StartWalk( const vector< MapWalkVertex* >& MwvSeq ) { Action *pAct = m_pRole->getActionByTag( 1 ) ; if ( pAct != 0 && pAct->isDone() == false ) { return ; } Vector< FiniteTimeAction* > Actions ; for ( int i = MwvSeq.size( ) - 2 ; i >= 0 ; --i ) { // 计算每一段的距离 Point v = MwvSeq[ i ]->getPosition( ) - MwvSeq[ i + 1 ]->getPosition( ) ; float len = v.getLength( ) ; float duration = len / 100 * 1.2 ; RoleKaito::State Direction ; float rad = v.getAngle( Point( 1 , 1 ) ) ; float Degree = CC_RADIANS_TO_DEGREES( rad ) ; if ( Degree >= 0 && Degree < 90 ) { Direction = RoleKaito::State::WalkRight ; } else if ( Degree >= 90 && Degree <= 180 ) { Direction = RoleKaito::State::WalkBottom ; } else if ( Degree < 0 && Degree >= -90 ) { Direction = RoleKaito::State::WalkTop ; } else if ( Degree < -90 && Degree >= -180 ) { Direction = RoleKaito::State::WalkLeft ; } auto fnSetDirection = [ ]( RoleKaito *pRole , RoleKaito::State Dir ) { pRole->SetState( Dir ) ; } ; Actions.pushBack( CallFunc::create( bind( fnSetDirection , m_pRole , Direction ) ) ) ; FiniteTimeAction *pAct = MoveTo::create( duration , MwvSeq[ i ]->getPosition( ) ) ; auto fn = [ ]( RoleKaito *pRole , MapWalkVertex * pGv ) { pRole->UserData[ "StartVertex" ] = pGv ; } ; Actions.pushBack( pAct ) ; Actions.pushBack( CallFunc::create( bind( fn , m_pRole , MwvSeq[ i ] ) ) ) ; } auto fnStopActions = [ ]( RoleKaito *pRole ) { pRole->SetState( RoleKaito::State::None ) ; } ; Actions.pushBack( CallFunc::create( bind( fnStopActions , m_pRole ) ) ) ; if ( Actions.size( ) == 0 ) { return ; } auto pSeq = Sequence: