overte-HifiExperiments/interface/src/LODManager.h
2015-01-17 17:56:33 -08:00

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3.6 KiB
C++

//
// LODManager.h
//
//
// Created by Clement on 1/16/15.
// Copyright 2015 High Fidelity, Inc.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
#ifndef hifi_LODManager_h
#define hifi_LODManager_h
#include <QSettings>
#include <DependencyManager.h>
#include <OctreeConstants.h>
#include <SharedUtil.h>
#include <SimpleMovingAverage.h>
const float ADJUST_LOD_DOWN_FPS = 40.0;
const float ADJUST_LOD_UP_FPS = 55.0;
const float DEFAULT_ADJUST_AVATAR_LOD_DOWN_FPS = 30.0f;
const quint64 ADJUST_LOD_DOWN_DELAY = 1000 * 1000 * 5;
const quint64 ADJUST_LOD_UP_DELAY = ADJUST_LOD_DOWN_DELAY * 2;
const float ADJUST_LOD_DOWN_BY = 0.9f;
const float ADJUST_LOD_UP_BY = 1.1f;
const float ADJUST_LOD_MIN_SIZE_SCALE = DEFAULT_OCTREE_SIZE_SCALE * 0.25f;
const float ADJUST_LOD_MAX_SIZE_SCALE = DEFAULT_OCTREE_SIZE_SCALE;
const float MINIMUM_AVATAR_LOD_DISTANCE_MULTIPLIER = 0.1f;
const float MAXIMUM_AVATAR_LOD_DISTANCE_MULTIPLIER = 15.0f;
const float DEFAULT_AVATAR_LOD_DISTANCE_MULTIPLIER = 1.0f;
const int ONE_SECOND_OF_FRAMES = 60;
const int FIVE_SECONDS_OF_FRAMES = 5 * ONE_SECOND_OF_FRAMES;
class LODManager : public Dependency {
SINGLETON_DEPENDENCY
public:
// TODO: actually use them
bool shouldRenderTableNeedsRebuilding() const { return _shouldRenderTableNeedsRebuilding; }
void setShouldRenderTableNeedsRebuilding(bool shouldRenderTableNeedsRebuilding) {
_shouldRenderTableNeedsRebuilding = shouldRenderTableNeedsRebuilding;
}
// TODO: replace bumpSettings()
void setAutomaticAvatarLOD(bool automaticAvatarLOD) { _automaticAvatarLOD = automaticAvatarLOD; }
bool getAutomaticAvatarLOD() const { return _automaticAvatarLOD; }
void setAvatarLODDecreaseFPS(float avatarLODDecreaseFPS) { _avatarLODDecreaseFPS = avatarLODDecreaseFPS; }
float getAvatarLODDecreaseFPS() const { return _avatarLODDecreaseFPS; }
void setAvatarLODIncreaseFPS(float avatarLODIncreaseFPS) { _avatarLODIncreaseFPS = avatarLODIncreaseFPS; }
float getAvatarLODIncreaseFPS() const { return _avatarLODIncreaseFPS; }
void setAvatarLODDistanceMultiplier(float multiplier) { _avatarLODDistanceMultiplier = multiplier; }
float getAvatarLODDistanceMultiplier() const { return _avatarLODDistanceMultiplier; }
// User Tweakable LOD Items
QString getLODFeedbackText();
void setOctreeSizeScale(float sizeScale);
float getOctreeSizeScale() const { return _octreeSizeScale; }
void setBoundaryLevelAdjust(int boundaryLevelAdjust);
int getBoundaryLevelAdjust() const { return _boundaryLevelAdjust; }
void autoAdjustLOD(float currentFPS);
void resetLODAdjust();
bool shouldRenderMesh(float largestDimension, float distanceToCamera);
private:
LODManager() {}
void loadSettings(QSettings* settings);
void saveSettings(QSettings* settings);
bool _automaticAvatarLOD = true;
float _avatarLODDecreaseFPS = DEFAULT_ADJUST_AVATAR_LOD_DOWN_FPS;
float _avatarLODIncreaseFPS = ADJUST_LOD_UP_FPS;
float _avatarLODDistanceMultiplier = DEFAULT_AVATAR_LOD_DISTANCE_MULTIPLIER;
float _octreeSizeScale = DEFAULT_OCTREE_SIZE_SCALE;
int _boundaryLevelAdjust = 0;
quint64 _lastAdjust = 0;
quint64 _lastAvatarDetailDrop = 0;
SimpleMovingAverage _fpsAverage = FIVE_SECONDS_OF_FRAMES;
SimpleMovingAverage _fastFPSAverage = ONE_SECOND_OF_FRAMES;
// TODO: actually use them
bool _shouldRenderTableNeedsRebuilding = true;
QMap<float, float> _shouldRenderTable;
};
#endif // hifi_LODManager_h