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MyCharacter.cpp
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MyCharacter.cpp
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// Fill out your copyright notice in the Description page of Project Settings.
#include "MyCharacter.h"
#include "Engine/World.h"
#include "Engine/Engine.h"
#include "misc/Paths.h"
#include "Components/InputComponent.h"
#include "Engine/World.h"
#include "GameFramework/WorldSettings.h"
#include "GameFramework/Actor.h"
#include "Components/SphereComponent.h"
#include "GameFramework/Controller.h"
#include "Landscape.h"
#include "EngineUtils.h"
#include "Kismet/GameplayStatics.h"
// Sets default values
AMyCharacter::AMyCharacter()
{
// Set this character to call Tick() every frame. You can turn this off to improve performance if you don't need it.
PrimaryActorTick.bCanEverTick = true;
AutoPossessPlayer = EAutoReceiveInput::Player0;
levelpara.levelsName.Empty();
levelsName = {"579", "578", "577", "576"};
levelNum = levelsName.Num();
USkeletalMeshComponent* DefMesh1P = Cast<USkeletalMeshComponent>(GetClass()->GetDefaultSubobjectByName(TEXT("CharacterMeshCom")));
//const FMatrix DefMeshLS = FRotationTranslationMatrix(SpringArm->RelativeRotation, SpringArm->RelativeLocation);
// Create a spring arm component for our chase camera
RootComponent = CreateDefaultSubobject<USceneComponent>(TEXT("RootComponent"));
SpringArm = CreateDefaultSubobject<USpringArmComponent>(TEXT("SpringArm"));
SpringArm->SetRelativeLocation(FVector(0.0f, 0.0f, 34.0f));
SpringArm->SetWorldRotation(FRotator(-20.0f, 0.0f, 0.0f));
//SpringArm->AttachTo(RootComponent);
SpringArm->AttachToComponent(RootComponent, FAttachmentTransformRules::KeepRelativeTransform);
SpringArm->TargetArmLength = 125.0f;
SpringArm->bEnableCameraLag = false;
SpringArm->bEnableCameraRotationLag = false;
SpringArm->bInheritPitch = true;
SpringArm->bInheritYaw = true;
SpringArm->bInheritRoll = true;
// Create the chase camera component
Camera = CreateDefaultSubobject<UCameraComponent>(TEXT("ChaseCamera"));
//Camera->AttachTo(SpringArm, USpringArmComponent::SocketName);
Camera->AttachToComponent(SpringArm, FAttachmentTransformRules::KeepRelativeTransform);
Camera->SetRelativeRotation(FRotator(10.0f, 0.0f, 0.0f));
Camera->bUsePawnControlRotation = false;
Camera->FieldOfView = 90.f;
}
bool isBebin = false;
// Called when the game starts or when spawned
void AMyCharacter::BeginPlay()
{
Super::BeginPlay();
isBebin = true;
}
int32 tick = 0;
// Called every frame
void AMyCharacter::Tick(float DeltaTime)
{
Super::Tick(DeltaTime);
//GEngine->bEnableOnScreenDebugMessagesDisplay = 0;
GEngine->bDisableAILogging = 0;
/*fminimalviewinfo newpov = viewtarget.pov;
fstring str = text("begin load level" + currentname + "!");
GEngine->AddOnScreenDebugMessage(-1, 5.0f, FColor::Yellow, str);*/
bool bZoomingIn = true;
//基于ZoomFActor来混合相机的视域和弹簧臂的长度
//Camera->FieldOfView = FMath::Lerp<float>(90.0f, 60.0f, (ZoomFactor += DeltaTime));
//SpringArm->TargetArmLength = FMath::Lerp<float>(400.0f, 300.0f, 100.0f* (ZoomFactor+= DeltaTime));//
++tick;
levelpara.step = 25 * DeltaTime * levelpara.latlontoued;
if (isBebin && tick == 10)
{
LoadLevelbyCameraInfo();
tick = 0;
}
//LoadLevelbyCameraInfo(DeltaTime, LandScapePath, mfovBox);
}
int GetMaxPlayerCount()
{
int max = 1;
return max;
}
void AMyCharacter::SetFlyMode()
{
if (GetCharacterMovement()->IsFlying() == false)
{
// If we are not flying already then set our movement mode so that we are
//MyCharacter->GetCharacterMovement()->bCheatFlying = true;
//MyCharacter->GetCharacterMovement()->bOrientRotationToMovement = false;
//MyCharacter->GetCharacterMovement()->bUseControllerDesiredRotation = true;
// 设置对象沿Z轴随移动方向自动转向：
//MyCharacter->GetCharacterMovement()->bOrientRotationToMovement = true;
//bUseControllerRotationYaw = false;
MyCharacter->GetCharacterMovement()->SetMovementMode(EMovementMode::MOVE_Flying);
}
else
{
// Set the new movement mode to walking
MyCharacter->GetCharacterMovement()->SetMovementMode(MOVE_Walking);
}
}
// Called to bind functionality to input
void AMyCharacter::SetupPlayerInputComponent(UInputComponent* PlayerInputComponent)
{
Super::SetupPlayerInputComponent(PlayerInputComponent);
PlayerInputComponent->BindAction("LoadMap", IE_Pressed, this, &AMyCharacter::LoadMap);
PlayerInputComponent->BindAction("UnLoadMap", IE_Pressed, this, &AMyCharacter::UnLoadMap);
PlayerInputComponent->BindAction("Jump", IE_Pressed, this, &AMyCharacter::OnStartJump);
PlayerInputComponent->BindAction("Flying", IE_Pressed, this, &AMyCharacter::Flying);
PlayerInputComponent->BindAxis("MoveForward", this, &AMyCharacter::MoveForward);
PlayerInputComponent->BindAxis("MoveRight", this, &AMyCharacter::MoveRight);
PlayerInputComponent->BindAxis("Turn", this, &AMyCharacter::TurnAround);//绑定MouseX到Z轴旋转 左右视角
PlayerInputComponent->BindAxis("Lookup", this, &AMyCharacter::LookUpAround);//绑定MouseY到Y轴旋转 俯仰视角
PlayerInputComponent->BindAxis("Zoom", this, &AMyCharacter::MoveUpDown);
}
void AMyCharacter::OnStartJump()
{
bPressedJump = true;
}
//void AMyCharacter::OnStopJump()
//{
// bPressedJump = false;
//}
void AMyCharacter::Flying()
{
MyCharacter->GetCharacterMovement()->SetMovementMode(EMovementMode::MOVE_Flying);
}
void AMyCharacter::MoveForward(float val)
{
if (MyCharacter != NULL && val != 0.0f)
{
//FRotator Rotation = Controller->GetControlRotation();
const FVector Direction = FRotationMatrix(levelpara.Rotator).GetScaledAxis(EAxis::X);
FVector Delta = FVector(0.0, 0.0, 0.0);
Delta.X = 28 * levelpara.latlontoued;
Delta.Y = 87 * levelpara.latlontoued;
SetActorLocation(Delta);
Delta.Z = val * levelpara.step;
RootComponent->MoveComponent(Delta, GetActorQuat(), true);
//SetActorLocation(NewLocation);
}
}
void AMyCharacter::MoveRight(float val)
{
if (MyCharacter != NULL && val != 0.0f)
{
//const FRotator Rotation = Controller->GetControlRotation();
const FVector Direction = FRotationMatrix(levelpara.Rotator).GetScaledAxis(EAxis::Y);
//AddMovementInput(Direction, val * levelpara.step);
FVector NewLocation = GetActorLocation();
NewLocation += Direction * val * levelpara.step;
SetActorLocation(NewLocation);
}
}
void AMyCharacter::TurnAround(float val)
{
if (MyCharacter != NULL && val != 0.0f)
{
// 为了保证不同机器的帧率刷新体验一样GetWorld()->GetDeltaSeconds()
AddControllerYawInput(val);
}
}
void AMyCharacter::LookUpAround(float val)
{
if (MyCharacter != NULL && val != 0.0f)
{
AddControllerPitchInput(val);
}
}
void AMyCharacter::OnScrollWheelUpPress(float val)
{
FVector2D CursorPos;
FVector WorldPos;
FVector MoveDirction = FVector::ZeroVector;
if (FMath::Abs(val) > KINDA_SMALL_NUMBER)
{
GetWorld()->GetFirstPlayerController()->GetMousePosition(CursorPos.X, CursorPos.Y);
UGameplayStatics::DeprojectScreenToWorld(UGameplayStatics::GetPlayerController(GWorld, 0), CursorPos, WorldPos, MoveDirction);
}
AddMovementInput(MoveDirction, val * levelpara.step);
}
void AMyCharacter::MoveUpDown(float val)
{
if (MyCharacter != NULL && val != 0.0f)
{
//const FRotator Rotation = Controller->GetControlRotation();
const FVector Direction = FRotationMatrix(levelpara.Rotator).GetScaledAxis(EAxis::Z);
AddMovementInput(Direction, val);
}
}
void AMyCharacter::LoadMap()
{
bool bSuccess;
for (int32 i = 0; i < levelNum; ++i)
{
// 长名称的限定仅为“/”，否则遍历短名称的目录，出现重复则选择第一个排序
FString currentName = levelsName[i];
FString levelmapPath = levelPath + currentName + ".umap";
FVector MapOffset = FVector(0, 63 * 100 * i, 0);
if (FPaths::FileExists(levelmapPath))
{
FString str = TEXT("Begin Load level" + currentName + "!");
GEngine->AddOnScreenDebugMessage(-1, 5.0f, FColor::Yellow, str);
ULevelStreamingDynamic* StreamingLevel = NewObject<ULevelStreamingDynamic>(GWorld, ULevelStreamingDynamic::StaticClass(), NAME_None, RF_Transient, NULL);
StreamingLevel = ULevelStreamingDynamic::LoadLevelInstance(GWorld, currentName, MapOffset, FRotator::ZeroRotator, bSuccess);
//FString UniqueLevelPackageName = "levelStreamingDynamic";
//UniqueLevelPackageName += TEXT("_") + FString::FromInt(++i);
//StreamingLevel->LevelTransform = FTransform(FRotator::ZeroRotator, MapOffset, FVector(1.0f, 1.0f, 1.0f));
levelStreamingMap.Add(currentName, StreamingLevel);
}
else
{
FString str = TEXT("level map " + currentName + "can not be found!");
GEngine->AddOnScreenDebugMessage(-1, 5.0f, FColor::Yellow, str);
levelsName.Remove(levelsName[i]);
}
}
GEngine->AddOnScreenDebugMessage(-1, 5.0f, FColor::Yellow, TEXT("Load level finished!"));
}
void AMyCharacter::UnLoadMap()
{
for (int32 i = 0; i < levelNum; ++i)
{
FString currentName = levelsName[i];
FString str = TEXT("Begin Unload level" + currentName + "!");
GEngine->AddOnScreenDebugMessage(-1, 5.0f, FColor::Yellow, str);
if (levelsName.Contains(currentName) && levelStreamingMap[currentName])
{
levelStreamingMap[currentName]->SetIsRequestingUnloadAndRemoval(true);
levelStreamingMap.Remove(currentName);
}
}
GEngine->AddOnScreenDebugMessage(-1, 5.0f, FColor::Yellow, TEXT("Unload level finished!"));
}
//bool AMyCharacter::RectCollision(FRect& rect1, FRect& rect2)
//{
// float x1 = rect1.Roll.min;
// float y1 = rect1.Pitch.min;
// float x2 = rect1.Roll.max;
// float y2 = rect1.Pitch.max;
//
// float x3 = rect2.Roll.min;
// float y3 = rect2.Pitch.min;
// float x4 = rect2.Roll.max;
// float y4 = rect2.Pitch.max;
//
// return (((x1 >= x3 && x1 < x4) || (x3 >= x1 && x3 <= x2)) &&
// ((y1 >= y3 && y1 < y4) || (y3 >= y1 && y3 <= y2))) ? true : false;
//
//}
//
//void AMyCharacter::GetCameraInfo(float DeltaSeconds, FFOVBox& fovBox)
//{
// UWorld* CurWorld = GetWorld();
// if (!CurWorld)
// {
// return;
// }
//
// // Default CameraStyle
// fovBox.CameraStyleAngle.Roll.min = -0;
// fovBox.CameraStyleAngle.Roll.max = 0;
// fovBox.CameraStyleAngle.Pitch.min = -10;
// fovBox.CameraStyleAngle.Pitch.max = -10;
// fovBox.CameraStyleAngle.Yaw.min = -180;
// fovBox.CameraStyleAngle.Yaw.max = 180;
//
// // Find our player index
// int32 IterIndex = 0;
// int32 PlayerIndex = INDEX_NONE;
// bool bIsPaused = GetWorld()->IsPaused();
//
// for (FConstPlayerControllerIterator Iterator = CurWorld->GetPlayerControllerIterator(); Iterator; ++Iterator, ++IterIndex)
// {
// const APlayerController* PlayerController = Iterator->Get();
//
// if (!bIsPaused || PlayerController->ShouldPerformFullTickWhenPaused())
// {
// PlayerIndex = IterIndex;
//
// /*FMinimalViewInfo CurrentPOV = PlayerController->PlayerCameraManager->GetCameraCachePOV();
// CurrentPOV.Rotation = FRotator(20, 20, 20);
// CurrentPOV.Location.X = 20;
// CurrentPOV.Location.Y = 20;
// CurrentPOV.Location.Z = 20;
// PlayerController->PlayerCameraManager->SetCameraCachePOV(CurrentPOV);
// FTViewTarget ViewTarget = PlayerController->PlayerCameraManager->ViewTarget;
// ViewTarget.Target->CalcCamera(DeltaSeconds, CurrentPOV);
// PlayerController->PlayerCameraManager->ViewTarget = ViewTarget;
// PlayerController->PlayerCameraManager->SetViewTarget(PlayerController->GetOwner());*/
//
// float CamFOV = PlayerController->PlayerCameraManager->GetFOVAngle();
// FVector Loc = PlayerController->PlayerCameraManager->GetCameraLocation();
// FRotator Rotator = PlayerController->PlayerCameraManager->GetCameraRotation();
//
// /*FName CameraStyle = PlayerController->PlayerCameraManager->CameraStyle;
// static const FName NAME_Default = FName(TEXT("Default"));;
// static const FName NAME_Fixed = FName(TEXT("Fixed"));
// static const FName NAME_ThirdPerson = FName(TEXT("ThirdPerson"));
// static const FName NAME_FreeCam = FName(TEXT("FreeCam"));
// static const FName NAME_FreeCam_Default = FName(TEXT("FreeCam_Default"));
// static const FName NAME_FirstPerson = FName(TEXT("FirstPerson"));
// if (CameraStyle == NAME_FreeCam || CameraStyle == NAME_FreeCam_Default || CameraStyle == NAME_FirstPerson)
// {
// fovBox.CameraStyleAngle.Pitch.min = -90;
// fovBox.CameraStyleAngle.Pitch.max = -90;
// }
// else if (CameraStyle == NAME_ThirdPerson)
// {
// fovBox.CameraStyleAngle.Pitch.min = -0;
// fovBox.CameraStyleAngle.Pitch.max = 0;
// }
// else if (CameraStyle == NAME_Fixed)
// {
// fovBox.CameraStyleAngle.Roll.min = Rotator.Roll;
// fovBox.CameraStyleAngle.Roll.max = Rotator.Roll;
// fovBox.CameraStyleAngle.Pitch.min = Rotator.Pitch;
// fovBox.CameraStyleAngle.Pitch.max = Rotator.Pitch;
// fovBox.CameraStyleAngle.Yaw.min = Rotator.Yaw;
// fovBox.CameraStyleAngle.Yaw.max = Rotator.Yaw;
// }*/
//
// //Loc.Z = pre.z;
// PreCompute(Loc.Z);
// GetFOVboxInfo(Loc, Rotator, CamFOV, fovBox);
// fovBox.Caminfo = FTransform(Rotator, Loc);
// break;
// }
// }
//
//}
//
//void AMyCharacter::DoCameraUpdate(const FVector & CameraLocation, const FRotator & CameraRotation)
//{
// //USkeletalMeshComponent* DefMesh1P = Cast<USkeletalMeshComponent>(GetClass()->GetDefaultSubobjectByName(TEXT("CharacterMeshCom")));
// const FMatrix DefMeshLS = FRotationTranslationMatrix(SpringArm->RelativeRotation, SpringArm->RelativeLocation);
// const FMatrix LocalToWorld = ActorToWorld().ToMatrixWithScale();
//
// // Mesh rotating code expect uniform scale in LocalToWorld matrix
//
// const FRotator RotCameraPitch(CameraRotation.Pitch, 0.0f, 0.0f);
// const FRotator RotCameraYaw(0.0f, CameraRotation.Yaw, 0.0f);
//
// const FMatrix LeveledCameraLS = FRotationTranslationMatrix(RotCameraYaw, CameraLocation) * LocalToWorld.Inverse();
// const FMatrix PitchedCameraLS = FRotationMatrix(RotCameraPitch) * LeveledCameraLS;
// const FMatrix MeshRelativeToCamera = DefMeshLS * LeveledCameraLS.Inverse();
// const FMatrix PitchedMesh = MeshRelativeToCamera * PitchedCameraLS;
//
// SpringArm->SetRelativeLocationAndRotation(PitchedMesh.GetOrigin(), PitchedMesh.Rotator());
//}
//
//void AMyCharacter::GetFOVboxInfo(FVector Loc, FRotator Rotator, float CamFOV, FFOVBox& fovBox)
//{
// float radian = PI / 180;
// float FOVofHorizontal = radian * CamFOV;
// float FOVofVertical = 2 * atan(pre.Resolution.Y * tan (FOVofHorizontal / 2.0) / pre.Resolution.X);
// float HalfCamFOVPitch = FOVofVertical * 180 / (2 * PI);
// float HalfCamFOVYaw = CamFOV / 2;
//
// // 偏航角在蓝图中设置范围为（-180~180），C++读取范围为（0~360）
// // 俯仰角在蓝图中设置范围为（-90~90），C++读取范围为（0~90）和（270-360）
// // 视点默认位置：偏航角为0，俯仰角为0，视野朝向为沿着UE4的x轴
// // 视野区域计算以（-90，90）为一个单位按照偏航角计算，逆时针为负值，顺时针为正值
// // 视点到焦点的距离为最大距离，以此距离为半径、视点为圆心画圆，圆的区域为视野区域
// float AnglePitch = Rotator.Pitch < 180 ? Rotator.Pitch : Rotator.Pitch - 360;
// float offsetPitch = radian * AnglePitch;
// float fovpitch = Loc.Z / abs(tan(offsetPitch));
// //float fovmax = fovpitch < para.fovmax_lon ? fovpitch : para.fovmax_lon;
// float fovmax = 0;
//
// float AngleYaw = Rotator.Yaw;
// float offsetYaw = radian * AngleYaw;
// if (AngleYaw >= 0 && AngleYaw < 45)
// {
// fovBox.CamRect.Roll.min = Loc.X;
// fovBox.CamRect.Roll.max = Loc.X + fovmax * cos(offsetPitch);
// fovBox.CamRect.Pitch.min = Loc.Y - fovmax * sin(CamFOV / 2.0 - offsetYaw);
// fovBox.CamRect.Pitch.max = Loc.Y + fovmax * sin(CamFOV / 2.0 + offsetYaw);
// }
// else if (AngleYaw >= 45 && AngleYaw < 135)
// {
// offsetYaw = radian * (AngleYaw- 90);
// fovBox.CamRect.Roll.min = Loc.X - pre.fovmax_lat * sin(CamFOV / 2.0 + offsetYaw);
// fovBox.CamRect.Roll.max = Loc.X + pre.fovmax_lon * sin(CamFOV / 2.0 - offsetYaw);
// fovBox.CamRect.Pitch.min = Loc.Y;
// fovBox.CamRect.Pitch.max = Loc.Y + pre.fovmax_lon * cos(offsetPitch);
//
// }
// else if (AngleYaw >= 135 && AngleYaw < 225)
// {
// offsetYaw = radian * (AngleYaw - 180);
// fovBox.CamRect.Roll.min = Loc.X - pre.fovmax_lat * cos(offsetPitch);
// fovBox.CamRect.Roll.max = Loc.X;
// fovBox.CamRect.Pitch.min = Loc.Y - pre.fovmax_lon * sin(CamFOV / 2.0 - offsetYaw);
// fovBox.CamRect.Pitch.max = Loc.Y + pre.fovmax_lon * sin(CamFOV / 2.0 + offsetYaw);
// }
// else if (AngleYaw >= 225 && AngleYaw < 315)
// {
// offsetYaw = radian * (AngleYaw - 270);
// fovBox.CamRect.Roll.min = Loc.X - pre.fovmax_lat * sin(CamFOV / 2.0 - offsetYaw);;
// fovBox.CamRect.Roll.max = Loc.X + pre.fovmax_lat * sin(CamFOV / 2.0 + offsetYaw);
// fovBox.CamRect.Pitch.min = Loc.Y - pre.fovmax_lon * cos(offsetPitch);
// fovBox.CamRect.Pitch.max = Loc.Y;
// }
// else if (AngleYaw >= 315 && AngleYaw <= 360)
// {
// offsetYaw = radian * (AngleYaw - 360);
// fovBox.CamRect.Roll.min = Loc.X;
// fovBox.CamRect.Roll.max = Loc.X + pre.fovmax_lat * cos(offsetPitch);
// fovBox.CamRect.Pitch.min = Loc.Y - pre.fovmax_lon * sin(CamFOV / 2.0 - offsetYaw);
// fovBox.CamRect.Pitch.max = Loc.Y + pre.fovmax_lon * sin(CamFOV / 2.0 + offsetYaw);
// }
//
// //GetDistancePerPixel(FOVofVertical, offsetPitch, Resolution.Y, fovBox.DistancePerPixelRoll);
// GetDistancePerPixel(FOVofHorizontal, offsetYaw, pre.Resolution.X, fovBox.DistancePerPixelPitch);
//}
//
//void AMyCharacter::GetDistancePerPixel(float CamFOV, float offsetangle, float resolution, float& DistancePerPixel)
//{
// // lim deta(theta) {tan(theta-deta(theta)) - tan(theta)};
// float DervativeofAngle = 1.0 / pow(cos(offsetangle), 2);
// DistancePerPixel = DervativeofAngle * CamFOV * pre.z / resolution;
//}
//
//void AMyCharacter::GetLandScapeInfo(TArray<FString>& levels)
//{
// LandScapeInfo.Empty();
//
// FRect rect;
// rect.Roll.min = 0;
// rect.Roll.max = 0;
// rect.Pitch.min = 0;
// rect.Pitch.max = 0;
//
// int32 latstart = floor(FileNameRect.Roll.min);
// int32 latend = floor(FileNameRect.Roll.max);
// int32 lonstart = floor(FileNameRect.Pitch.min);
// int32 lonend = floor(FileNameRect.Pitch.max);
// int32 latnum = latend - latstart + 1;
// int32 lonnum = lonend - lonstart + 1;
//
// if (latnum * lonnum != levels.Num())
// {
// UE_LOG(LogClass, Log, TEXT("Current levels num is wrong!"));
// return;
// }
//
// if (pre.LOD == 0)
// {
// float halflevelsize = 90 * pre.latlontoued;
// rect.Roll.min = -halflevelsize;
// rect.Roll.max = halflevelsize;
// rect.Pitch.min = -2 * halflevelsize * pre.latlontoued;
// rect.Pitch.max = 0;
// LandScapeInfo.Add(levels[0], rect);
// rect.Pitch.min = 0;
// rect.Pitch.max = 2 * halflevelsize * pre.latlontoued;
// LandScapeInfo.Add(levels[1], rect);
// return;
// }
//
// int32 halflatnum = pow(2, pre.LOD - 1);
// int32 halflonnum = pow(2, 1 + pre.LOD -1);
// //float levelsize = 180.0 / halflonnum * pre.latlontoued;
// int32 levelsize = 180 * pre.latlontoued / pow(2, pre.LOD);
//
//
// for (int32 y = 0; y < lonnum; ++y)
// {
// for (int32 x = 0; x < latnum; ++x)
// {
// FString currentName = levels[x * lonnum + y];
// FString filePath = RootPath + currentName + ".umap";
// if (FPaths::FileExists(filePath))
// {
// // 每个切片的大小
// rect.Roll.min = (x - halflatnum - pre.lat_preload) * levelsize;
// rect.Roll.max = rect.Pitch.min + levelsize;
// rect.Pitch.min = (y - halflonnum - -pre.lon_preload) * levelsize;
// rect.Pitch.max = rect.Pitch.min + levelsize;
// LandScapeInfo.Add(currentName, rect);
// }
// else
// {
// //LandScapeInfo.Remove(currentName);
// levels.Remove(currentName);
// }
// }
// }
// levelNum = levels.Num();
//}
bool bIsFirst = true;
void AMyCharacter::GetCameraInfo(FParameter& para)
{
UWorld* CurWorld = GetWorld();
if (!CurWorld)
{
return;
}
//LoadPlayers();
para.Resolution = FVector2D(GEngine->GameViewport->Viewport->GetSizeXY());
// Find our player index
int32 IterIndex = 0;
int32 PlayerIndex = INDEX_NONE;
bool bIsPaused = GetWorld()->IsPaused();
//Controller = SpawnActor<AController>(GetLocation(), GetRotation(), NULL, Instigator, true);
for (FConstPlayerControllerIterator Iterator = CurWorld->GetPlayerControllerIterator(); Iterator; ++Iterator, ++IterIndex)
{
APlayerController* PlayerController = Iterator->Get();
if (!bIsPaused || PlayerController->ShouldPerformFullTickWhenPaused())
{
if (bIsFirst)
{
FMinimalViewInfo CurrentPOV = PlayerController->PlayerCameraManager->GetCameraCachePOV();
CurrentPOV.Rotation = FRotator(0.0, 0.0, 0.0);
CurrentPOV.Location.X = 28 * para.latlontoued;
CurrentPOV.Location.Y = 87 * para.latlontoued;
CurrentPOV.Location.Z = 1 * 380000.0;
PlayerController->PlayerCameraManager->SetCameraCachePOV(CurrentPOV);
//FActorSpawnParameters SpawnInfo;
//SpawnInfo.Owner = this;
//SpawnInfo.Instigator = Instigator;
//SpawnInfo.ObjectFlags |= RF_Transient; // We never want to save HUDs into a map
//MyCharacter = GetWorld()->SpawnActor<AMyCharacter>(AMyCharacter::GetClass(), CurrentPOV.Location, CurrentPOV.Rotation, SpawnInfo);
//MyCharacter = Cast<AMyCharacter>(CurWorld->GetFirstPlayerController()->GetPawnOrSpectator());
/*MyCharacter = GetWorld()->SpawnActor<AMyCharacter>(AMyCharacter::GetClass(), CurrentPOV.Location, CurrentPOV.Rotation);*/
//MyCharacter = Cast<AMyCharacter>(CurWorld->GetFirstPlayerController()->GetPawnOrSpectator());
MyCharacter = Cast<AMyCharacter>(PlayerController->GetPawnOrSpectator());
PlayerController->Possess(MyCharacter);
bIsFirst = false;
}
PlayerIndex = IterIndex;
float CamFOV = PlayerController->PlayerCameraManager->GetFOVAngle();
FVector Loc = PlayerController->PlayerCameraManager->GetCameraLocation();
FRotator Rotator = PlayerController->PlayerCameraManager->GetCameraRotation();
MyCharacter->GetCharacterMovement()->bCheatFlying = true;
MyCharacter->GetCharacterMovement()->bOrientRotationToMovement = true;
MyCharacter->GetCharacterMovement()->bUseControllerDesiredRotation = true;
MyCharacter->GetCharacterMovement()->SetMovementMode(EMovementMode::MOVE_Flying);
para.CamFOV = CamFOV;
para.Loc = Loc;
para.Rotator = Rotator;
break;
}
}
}
void AMyCharacter::GetFovMaxDistance(FParameter& para)
{
para.radian = PI / 180;
// 当前屏幕宽度方向切片个数n=width/bitmap，切片总个数=pow(2,1+LOD)
float SliceofWidth = para.Resolution.X / para.bitmapsize;
para.lon_preload = ceil(SliceofWidth / 2.0);
para.sliceofPitch = ceil(SliceofWidth) + 2 * para.lon_preload;
float SliceofHeight = para.Resolution.Y / para.bitmapsize;
para.lat_preload = ceil(SliceofHeight) / 2.0;
para.sliceofRoll = ceil(SliceofHeight) + 2 * para.lat_preload;
float fovmin = para.Loc.Z;
float AngleMax = atan(para.sliceofPitch / SliceofWidth * tan(para.radian * para.CamFOV / 2.0)) - para.radian * para.CamFOV / 2.0;
float fovmax = 0.0;
for (int32 i = 0; i < para.lodmax; ++i)
{
float max = para.sliceofPitch / 2.0 * 360 / pow(2, 1 + i) * para.latlontoued / tan(para.radian * para.CamFOV / 2);
if (para.Loc.Z > max)
{
fovmax = max * 2 / cos(AngleMax);
break;
}
}
float AnglePitch = para.Rotator.Pitch;
float offsetPitch = para.radian * AnglePitch;
float fovpitch = para.Loc.Z / abs(tan(offsetPitch));
fovpitch = fovpitch < fovmin ? fovmin : fovpitch;
para.fovmax = fovpitch < fovmax ? fovpitch : fovmax;
}
bool AMyCharacter::GetFocusPosition(FParameter& para)
{
para.radian = PI / 180;
// 按照正常朝下的视野，焦距则只跟（x方向）俯仰角有关
float CamYaw = para.CamFOV * para.radian / 2.0;
// 最远距离为人眼最大双眼重合视域124°时的距离
float CamPitch = atan(tan(para.radian * para.CamFOV / 2.0) * para.Resolution.Y / para.Resolution.X);
float CamFOVPitch = CamPitch / para.radian;
// (x方向)最远焦距为相机高度除以最远视域与俯仰角最大张角之差（一半）的余弦值
float AngleMaxPitch = para.AngleMax / 2.0 * para.Resolution.Y / para.Resolution.X;
float fovmax = para.Loc.Z / cos(para.radian * (AngleMaxPitch - CamFOVPitch));
// 最短焦距为相机高度
float fovmin = para.Loc.Z;
// 相机实际焦距与俯仰角有关
float AnglePitch = para.Rotator.Pitch < 180 ? para.Rotator.Pitch : para.Rotator.Pitch - 360;
float offsetPitch = para.radian * AnglePitch;
float fovpitch = para.Loc.Z / abs(sin(offsetPitch));
fovpitch = fovpitch < fovmin ? fovmin : fovpitch;
para.fovBox.focusdistance = fovpitch < fovmax ? fovpitch : fovmax;
// 偏航角在蓝图中设置范围为（-180~180），C++读取范围为（0~360）
// 俯仰角在蓝图中设置范围为（-90~90），C++读取范围为（0~90）和（270-360）
// 视点默认位置：偏航角为0，俯仰角为0，视野朝向为沿着UE4的x轴
// 视野区域计算以（-90，90）为一个单位按照偏航角计算，逆时针为负值，顺时针为正值
// 视点到焦点的距离为最大距离，以此距离为半径、视点为圆心画圆，圆的区域为视野区域
float AngleYaw = para.Rotator.Yaw > 0 ? para.Rotator.Yaw : para.Rotator.Yaw + 360;
float offsetYaw = para.radian * AngleYaw;
// 在xoy平面要有投影，则俯仰角朝下的角度要大于validpitch
float ValidPitch = -(90 - AngleMaxPitch - CamFOVPitch);
if (AnglePitch > ValidPitch)
{
return false;
}
// 有效俯仰张角
para.focus.X = 0.0;
para.focus.Y = 0.0;
para.PitchisLon = true;
// 最大距离在xoy平面的投影，为人眼最大视域时当前高度与tan角度的乘积
float DistanceMaxX = para.Loc.Z * tan(para.radian * para.AngleMax / 2.0) * para.Resolution.Y / para.Resolution.Y;
float DistanceMaxY = para.Loc.Z * tan(para.radian * para.AngleMax / 2.0);
// 最小距离在xoy平面的投影，为当前最大张角时当前高度与tan角度的乘积
//float DistanceMinX = -para.Loc.Z * tan(para.radian * CamPitch);
//float DistanceMinY = -para.Loc.Z * tan(para.radian * CamYaw);
// 任意角度下的视野范围为[min,max]，当张角等于人眼最大视域时，min(<0) = -max(>0)
// 如果俯仰角偏移后的视域超过人眼视域，则为人眼视域
ValidPitch = -(90 - AngleMaxPitch);
float longside = DistanceMaxX;
float shortside = para.Loc.Z / tan(abs(offsetPitch) + CamPitch);
if (AnglePitch <= ValidPitch)
{
// 不合并的原因是防止Max.X < Min.X
longside = para.Loc.Z / abs(tan(abs(offsetPitch) - CamPitch));
}
float frontside;
float backside;
float rightside = 0.0;
float leftside = 0.0;
if (AngleYaw >= 0 && AngleYaw < 45)
{
// x正方向的投影距离 = 俯仰角视野在xoy平面构成的三角形的长边与偏航角的余弦分量
frontside = longside * cos(offsetYaw);
frontside = frontside < DistanceMaxX ? frontside : DistanceMaxX;
para.fovBox.Max.X = para.Loc.X + frontside;
// x负方向的投影距离 = 俯仰角视野在xoy平面构成的三角形的短边与偏航角的余弦分量
backside = shortside * cos(offsetYaw);
backside = backside > -DistanceMaxX ? backside : -DistanceMaxX;
para.fovBox.Min.X = para.Loc.X + backside;
// y正方向的投影距离 = 偏航角视野在xoy平面构成的三角形的长边与偏航角的正切分量
rightside = para.Loc.Z * tan(CamYaw + offsetYaw);
rightside = rightside < DistanceMaxY ? rightside : DistanceMaxY;
para.fovBox.Max.Y = para.Loc.Y + rightside;
// y负方向的投影距离 = 偏航角视野在xoy平面构成的三角形的短边与偏航角的正切分量
leftside = para.Loc.Z * tan(CamYaw - offsetYaw);
leftside = leftside < DistanceMaxY ? leftside : DistanceMaxY;
para.fovBox.Min.Y = para.Loc.Y - leftside;
// lim deta(theta) {tan(theta-deta(theta)) - tan(theta)};
para.DervativeofAngle = 1.0 / pow(cos(offsetYaw), 2);
para.focus.X = para.Loc.X + para.fovBox.focusdistance * cos(offsetPitch);
para.focus.Y = para.Loc.Y + para.fovBox.focusdistance * sin(offsetYaw);
}
else if (AngleYaw >= 45 && AngleYaw < 135)
{
offsetYaw = para.radian * (AngleYaw - 90);
// y正方向的投影距离，注意此时y方向最远距离为MaxX，
frontside = longside * cos(offsetYaw);
frontside = frontside < DistanceMaxX ? frontside : DistanceMaxX;
para.fovBox.Max.Y = para.Loc.Y + frontside;
// y负方向的投影距离
backside = shortside * cos(offsetYaw);
backside = backside > -DistanceMaxX ? backside : -DistanceMaxX;
para.fovBox.Min.Y = para.Loc.Y + backside;
// x负方向的投影距离
rightside = para.Loc.Z * tan(CamYaw + offsetYaw);
rightside = rightside < DistanceMaxY ? rightside : DistanceMaxY;
para.fovBox.Min.X = para.Loc.X - rightside;
// x正方向的投影距离
leftside = para.Loc.Z * tan(CamYaw - offsetYaw);
leftside = leftside > -DistanceMaxY ? leftside : -DistanceMaxY;
para.fovBox.Max.X = para.Loc.X - leftside;
para.DervativeofAngle = 1.0 / pow(cos(offsetYaw), 2);
para.focus.X = para.Loc.X - para.fovBox.focusdistance * sin(offsetYaw);
para.focus.Y = para.Loc.Y + para.fovBox.focusdistance * cos(offsetPitch);
para.PitchisLon = false;
}
else if (AngleYaw >= 135 && AngleYaw < 225)
{
offsetYaw = para.radian * (AngleYaw - 180);
// x负方向的投影距离
frontside = longside * cos(offsetYaw);
frontside = frontside < DistanceMaxX ? frontside : DistanceMaxX;
para.fovBox.Min.X = para.Loc.X - frontside;
// x正方向的投影距离
backside = shortside * cos(offsetYaw);
backside = backside > -DistanceMaxX ? backside : -DistanceMaxX;
para.fovBox.Max.X = para.Loc.X - backside;
// y负方向的投影距离
rightside = para.Loc.Z * tan(CamYaw + offsetYaw);
rightside = rightside < DistanceMaxY ? rightside : DistanceMaxY;
para.fovBox.Min.Y = para.Loc.Y - rightside;
// y正方向的投影距离
leftside = para.Loc.Z * tan(CamYaw - offsetYaw);
leftside = leftside < DistanceMaxY ? leftside : DistanceMaxY;
para.fovBox.Max.Y = para.Loc.Y + leftside;
para.DervativeofAngle = 1.0 / pow(cos(offsetYaw), 2);
para.focus.X = para.Loc.X - para.fovBox.focusdistance * cos(offsetPitch);
para.focus.Y = para.Loc.Y - para.fovBox.focusdistance * sin(offsetYaw);
}
else if (AngleYaw >= 225 && AngleYaw < 315)
{
offsetYaw = para.radian * (AngleYaw - 270);
// y负方向的投影距离
frontside = longside * cos(offsetYaw);
frontside = frontside < DistanceMaxX ? frontside : DistanceMaxX;
para.fovBox.Min.Y = para.Loc.Y - frontside;
// y正方向的投影距离
backside = shortside * cos(offsetYaw);
backside = backside > -DistanceMaxX ? backside : -DistanceMaxX;
para.fovBox.Max.Y = para.Loc.Y - backside;
// x正方向的投影距离
rightside = para.Loc.Z * tan(CamYaw + offsetYaw);
rightside = rightside < DistanceMaxY ? rightside : DistanceMaxY;
para.fovBox.Max.X = para.Loc.X + rightside;
// x负方向的投影距离
leftside = para.Loc.Z * tan(CamYaw - offsetYaw);
leftside = leftside < DistanceMaxY ? leftside : DistanceMaxY;
para.fovBox.Min.X = para.Loc.X - leftside;
para.DervativeofAngle = 1.0 / pow(cos(offsetYaw), 2);
para.focus.X = para.Loc.X + para.fovBox.focusdistance * sin(offsetYaw);
para.focus.Y = para.Loc.Y - para.fovBox.focusdistance * cos(offsetPitch);
para.PitchisLon = false;
}
else if (AngleYaw >= 315 && AngleYaw <= 360)
{
offsetYaw = para.radian * (AngleYaw - 360);
// x正方向的投影距离 = 俯仰角视野在xoy平面构成的三角形的长边与偏航角的余弦分量
frontside = longside * cos(offsetYaw);
frontside = frontside < DistanceMaxX ? frontside : DistanceMaxX;
para.fovBox.Max.X = para.Loc.X + frontside;
// x负方向的投影距离 = 俯仰角视野在xoy平面构成的三角形的短边与偏航角的余弦分量
backside = shortside * cos(offsetYaw);
backside = backside > -DistanceMaxX ? backside : -DistanceMaxX;
para.fovBox.Min.X = para.Loc.X + backside;
// y正方向的投影距离 = 偏航角视野在xoy平面构成的三角形的长边与偏航角的正切分量
rightside = para.Loc.Z * tan(CamYaw + offsetYaw);
rightside = rightside < DistanceMaxY ? rightside : DistanceMaxY;
para.fovBox.Max.Y = para.Loc.Y + rightside;
// y负方向的投影距离 = 偏航角视野在xoy平面构成的三角形的短边与偏航角的正切分量
leftside = para.Loc.Z * tan(CamYaw - offsetYaw);
leftside = leftside < DistanceMaxY ? leftside : DistanceMaxY;
para.fovBox.Min.Y = para.Loc.Y - leftside;
para.DervativeofAngle = 1.0 / pow(cos(offsetYaw), 2);
para.focus.X = para.Loc.X + para.fovBox.focusdistance * cos(offsetPitch);
para.focus.Y = para.Loc.Y + para.fovBox.focusdistance * sin(offsetYaw);
}
if (para.fovBox.Min.Y > para.fovBox.Max.Y || para.fovBox.Min.X > para.fovBox.Max.X || para.fovBox.Min.Y > para.focus.Y || para.focus.Y > para.fovBox.Max.Y || para.focus.X > para.fovBox.Max.X || para.focus.X < para.fovBox.Min.X)
{
int i = 3;
}
return true;
}
void AMyCharacter::GetFocusPosition(FParameter& para)
{
// 偏航角在蓝图中设置范围为（-180~180），C++读取范围为（0~360）
// 俯仰角在蓝图中设置范围为（-90~90），C++读取范围为（0~90）和（270-360）
// 视点默认位置：偏航角为0，俯仰角为0，视野朝向为沿着UE4的x轴
// 视野区域计算以（-90，90）为一个单位按照偏航角计算，逆时针为负值，顺时针为正值
// 视点到焦点的距离为最大距离，以此距离为半径、视点为圆心画圆，圆的区域为视野区域
float AngleYaw = para.Rotator.Yaw > 0 ? para.Rotator.Yaw : para.Rotator.Yaw + 360;
float offsetYaw = para.radian * AngleYaw;
float AnglePitch = para.Rotator.Pitch < 180 ? para.Rotator.Pitch : para.Rotator.Pitch - 360;
float offsetPitch = para.radian * AnglePitch;
para.focus.X = 0.0;
para.focus.Y = 0.0;
para.PitchisLon = true;
if (AngleYaw >= 0 && AngleYaw < 45)
{
// lim deta(theta) {tan(theta-deta(theta)) - tan(theta)};
para.DervativeofAngle = 1.0 / pow(cos(offsetYaw), 2);
para.focus.X = para.Loc.X + para.fovmax * cos(offsetPitch);
para.focus.Y = para.Loc.Y + para.fovmax * sin(offsetYaw);
}
else if (AngleYaw >= 45 && AngleYaw < 135)
{
offsetYaw = para.radian * (AngleYaw - 90);
para.DervativeofAngle = 1.0 / pow(cos(offsetYaw), 2);
para.focus.X = para.Loc.X - para.fovmax * sin(offsetYaw);
para.focus.Y = para.Loc.Y + para.fovmax * cos(offsetPitch);
para.PitchisLon = false;
}
else if (AngleYaw >= 135 && AngleYaw < 225)
{
offsetYaw = para.radian * (AngleYaw - 180);
para.DervativeofAngle = 1.0 / pow(cos(offsetYaw), 2);
para.focus.X = para.Loc.X - para.fovmax * cos(offsetPitch);
para.focus.Y = para.Loc.Y - para.fovmax * sin(offsetYaw);
}
else if (AngleYaw >= 225 && AngleYaw < 315)
{
offsetYaw = para.radian * (AngleYaw - 270);
para.DervativeofAngle = 1.0 / pow(cos(offsetYaw), 2);
para.focus.X = para.Loc.X + para.fovmax * sin(offsetYaw);
para.focus.Y = para.Loc.Y - para.fovmax * cos(offsetPitch);
para.PitchisLon = false;
}
else if (AngleYaw >= 315 && AngleYaw <= 360)
{
offsetYaw = para.radian * (AngleYaw - 360);
para.DervativeofAngle = 1.0 / pow(cos(offsetYaw), 2);
para.focus.X = para.Loc.X + para.fovmax * cos(offsetPitch);
para.focus.Y = para.Loc.Y + para.fovmax * sin(offsetYaw);
}
}
void AMyCharacter::ComputeLOD(FParameter& para)
{
// 当前屏幕宽度方向切片个数n=width/bitmap，切片总个数=pow(2,1+LOD)
float SliceofWidth = para.Resolution.X / para.bitmapsize;
float SilcesAngle = para.radian * para.CamFOV * para.DervativeofAngle * para.fovmax / para.latlontoued;
float lod = log(360 * SliceofWidth / SilcesAngle) / log(2) - 1;
para.LOD = ceil(lod) > 0 ? ceil(lod) : 0;
}
void AMyCharacter::SetSliceMapOffset(FParameter& para, int32 lonfileName, int32 latfileName)
{
int32 latNum = pow(2, para.LOD);
float lon = (lonfileName - latNum + 0.5) * 360 / (2 * latNum);
float lat = (latfileName - latNum / 2.0 + 0.5) * 180 / latNum;
if (para.LOD==0)
{
lon = 0;
lat = 0;
}
para.MapOffset.X = lat * para.latlontoued * 63 / 64;
para.MapOffset.Y = lon * para.latlontoued * 63 / 64;
//para.MapOffset.X = lat * para.latlontoued;
//para.MapOffset.Y = lon * para.latlontoued;
//para.MapScale.X = 360 * para.latlontoued / (pow(2, para.LOD) * para.heightmapsize);
//para.MapScale.Y = 360 * para.latlontoued / (pow(2, para.LOD) * para.heightmapsize);
//para.MapScale.Z = 360 * para.latlontoued / (pow(2, para.LOD) * para.heightmapsize * 5);
}
void AMyCharacter::GetLevelFile(FParameter& para)
{
float Slicedegree = 360.0 / pow(2, 1 + para.LOD);
float Slicesize = Slicedegree * para.latlontoued;
//float lat_center = floor(para.focus.X / Slicesize);
//float lon_center = floor(para.focus.Y / Slicesize);
int32 lat_index = floor(para.focus.X / Slicesize) + pow(2, para.LOD - 1);
int32 lon_index = floor(para.focus.Y / Slicesize) + pow(2, para.LOD);
if (!para.PitchisLon)
{
int32 slicenum = para.sliceofPitch;
para.sliceofPitch = para.sliceofRoll;
para.sliceofRoll = slicenum;
}
//int32 lat_index = floor((lat_center + 90) / Slicedegree);
//int32 lon_index = floor((lon_center + 180) / Slicedegree);
int32 lat_start = lat_index - floor(para.sliceofRoll / 2.0);
int32 lat_end = lat_index + ceil(para.sliceofRoll / 2.0);
int32 lon_start = lon_index - floor(para.sliceofPitch / 2.0);
int32 lon_end = lon_index + ceil(para.sliceofPitch / 2.0);
para.lonName.Empty();
para.latName.Empty();
para.levelsName.Empty();
for (int32 lon = lon_start; lon < lon_end; ++lon)
{
para.lonName.Add(lon);
for (int32 lat = lat_start; lat < lat_end; ++lat)
{
FString levelName = FString::FromInt(para.LOD) + R"(\)" + FString::FromInt(lon) + R"(\u)" + FString::FromInt(lat);
if (lon == lon_start)
{
para.latName.Add(lat);
}
para.levelsName.Add(levelName);
}
}
}
int32 UniqueLevelInstanceId = 0;
void AMyCharacter::LoadLevelbyName(FParameter& para, FString levelName, FString LongPackageName, bool& bOutSuccess)
{
bOutSuccess = false;
UWorld* const World = GEngine->GetWorldFromContextObject(GWorld, EGetWorldErrorMode::LogAndReturnNull);
if (!World)
{
return;
}
FString str = TEXT("Begin Load level" + levelName + "!");
GEngine->AddOnScreenDebugMessage(-1, 5.0f, FColor::Yellow, str);
// Create Unique Name for sub-level package
const FString ShortPackageName = FPackageName::GetShortName(LongPackageName);
const FString PackagePath = FPackageName::GetLongPackagePath(LongPackageName);
FString UniqueLevelPackageName = PackagePath + TEXT("/") + World->StreamingLevelsPrefix + ShortPackageName;
UniqueLevelPackageName += TEXT("_LevelInstance_") + FString::FromInt(++UniqueLevelInstanceId);
// Setup streaming level object that will load specified map
ULevelStreamingDynamic* StreamingLevel = NewObject<ULevelStreamingDynamic>(World, ULevelStreamingDynamic::StaticClass(), NAME_None, RF_Transient, NULL);
StreamingLevel->SetWorldAssetByPackageName(FName(*UniqueLevelPackageName));
StreamingLevel->LevelColor = FColor::MakeRandomColor();
StreamingLevel->SetShouldBeLoaded(true);
StreamingLevel->SetShouldBeVisible(true);
StreamingLevel->bShouldBlockOnLoad = false;
StreamingLevel->bInitiallyLoaded = true;
StreamingLevel->bInitiallyVisible = true;
// Transform
StreamingLevel->LevelTransform = FTransform(FRotator::ZeroRotator, para.MapOffset, para.MapScale);
// Map to Load
StreamingLevel->PackageNameToLoad = FName(*LongPackageName);
// Add the new level to world.
World->AddStreamingLevel(StreamingLevel);
para.levelStreamingMap.Add(levelName, StreamingLevel);
para.levelsloaded.Add(levelName);
bOutSuccess = true;