llhudobject.cpp

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// llhudobject.cpp
// Copyright 2002, Linden Research, Inc.

#include "llviewerprecompiledheaders.h"

#include "llhudobject.h"
#include "llviewerobject.h"

#include "llhudtext.h"
#include "llhudicon.h"
#include "llhudeffectbeam.h"
#include "llhudeffecttrail.h"
#include "llhudeffectlookat.h"

#include "llvoicevisualizer.h"

#include "llagent.h"

// statics
std::list<LLPointer<LLHUDObject> > LLHUDObject::sHUDObjects;

struct hud_object_further_away
{
        bool operator()(const LLPointer<LLHUDObject>& lhs, const LLPointer<LLHUDObject>& rhs) const;
};


bool hud_object_further_away::operator()(const LLPointer<LLHUDObject>& lhs, const LLPointer<LLHUDObject>& rhs) const
{
        return (lhs->getDistance() > rhs->getDistance()) ? true : false;
}


LLHUDObject::LLHUDObject(const U8 type) : 
        mPositionGlobal(), 
        mSourceObject(NULL), 
        mTargetObject(NULL)
{
        mVisible = TRUE;
        mType = type;
        mDead = FALSE;
        mOnHUDAttachment = FALSE;
}

LLHUDObject::~LLHUDObject()
{
}

void LLHUDObject::markDead()
{
        mVisible = FALSE;
        mDead = TRUE;
        mSourceObject = NULL;
        mTargetObject = NULL;
}

F32 LLHUDObject::getDistance() const
{
        return 0.f;
}

void LLHUDObject::setSourceObject(LLViewerObject* objectp)
{
        if (objectp == mSourceObject)
        {
                return;
        }

        mSourceObject = objectp;
}

void LLHUDObject::setTargetObject(LLViewerObject* objectp)
{
        if (objectp == mTargetObject)
        {
                return;
        }

        mTargetObject = objectp;
}

void LLHUDObject::setPositionGlobal(const LLVector3d &position_global)
{
        mPositionGlobal = position_global;
}

void LLHUDObject::setPositionAgent(const LLVector3 &position_agent)
{
        mPositionGlobal = gAgent.getPosGlobalFromAgent(position_agent);
}

// static
void LLHUDObject::cleanupHUDObjects()
{
        LLHUDIcon::cleanupDeadIcons();
        hud_object_list_t::iterator object_it;
        for (object_it = sHUDObjects.begin(); object_it != sHUDObjects.end(); ++object_it)
        {
                (*object_it)->markDead();
                if ((*object_it)->getNumRefs() > 1)
                {
                        llinfos << "LLHUDObject " << (LLHUDObject *)(*object_it) << " has " << (*object_it)->getNumRefs() << " refs!" << llendl;
                }
        }
        sHUDObjects.clear();
}

// static
LLHUDObject *LLHUDObject::addHUDObject(const U8 type)
{
        LLHUDObject *hud_objectp = NULL;
        
        switch (type)
        {
        case LL_HUD_TEXT:
                hud_objectp = new LLHUDText(type);
                break;
        case LL_HUD_ICON:
                hud_objectp = new LLHUDIcon(type);
                break;
        default:
                llwarns << "Unknown type of hud object:" << (U32) type << llendl;
        }
        if (hud_objectp)
        {
                sHUDObjects.push_back(hud_objectp);
        }
        return hud_objectp;
}

LLHUDEffect *LLHUDObject::addHUDEffect(const U8 type)
{
        LLHUDEffect *hud_objectp = NULL;
        
        switch (type)
        {
        case LL_HUD_EFFECT_BEAM:
                hud_objectp = new LLHUDEffectSpiral(type);
                ((LLHUDEffectSpiral *)hud_objectp)->setDuration(0.7f);
                ((LLHUDEffectSpiral *)hud_objectp)->setVMag(0.f);
                ((LLHUDEffectSpiral *)hud_objectp)->setVOffset(0.f);
                ((LLHUDEffectSpiral *)hud_objectp)->setInitialRadius(0.1f);
                ((LLHUDEffectSpiral *)hud_objectp)->setFinalRadius(0.2f);
                ((LLHUDEffectSpiral *)hud_objectp)->setSpinRate(10.f);
                ((LLHUDEffectSpiral *)hud_objectp)->setFlickerRate(0.f);
                ((LLHUDEffectSpiral *)hud_objectp)->setScaleBase(0.05f);
                ((LLHUDEffectSpiral *)hud_objectp)->setScaleVar(0.02f);
                ((LLHUDEffectSpiral *)hud_objectp)->setColor(LLColor4U(255, 255, 255, 255));
                break;
        case LL_HUD_EFFECT_GLOW:
                // deprecated
                break;
        case LL_HUD_EFFECT_POINT:
                hud_objectp = new LLHUDEffectSpiral(type);
                ((LLHUDEffectSpiral *)hud_objectp)->setDuration(0.5f);
                ((LLHUDEffectSpiral *)hud_objectp)->setVMag(1.f);
                ((LLHUDEffectSpiral *)hud_objectp)->setVOffset(0.f);
                ((LLHUDEffectSpiral *)hud_objectp)->setInitialRadius(0.5f);
                ((LLHUDEffectSpiral *)hud_objectp)->setFinalRadius(1.f);
                ((LLHUDEffectSpiral *)hud_objectp)->setSpinRate(10.f);
                ((LLHUDEffectSpiral *)hud_objectp)->setFlickerRate(0.f);
                ((LLHUDEffectSpiral *)hud_objectp)->setScaleBase(0.1f);
                ((LLHUDEffectSpiral *)hud_objectp)->setScaleVar(0.1f);
                ((LLHUDEffectSpiral *)hud_objectp)->setColor(LLColor4U(255, 255, 255, 255));
                break;
        case LL_HUD_EFFECT_SPHERE:
                hud_objectp = new LLHUDEffectSpiral(type);
                ((LLHUDEffectSpiral *)hud_objectp)->setDuration(0.5f);
                ((LLHUDEffectSpiral *)hud_objectp)->setVMag(1.f);
                ((LLHUDEffectSpiral *)hud_objectp)->setVOffset(0.f);
                ((LLHUDEffectSpiral *)hud_objectp)->setInitialRadius(0.5f);
                ((LLHUDEffectSpiral *)hud_objectp)->setFinalRadius(0.5f);
                ((LLHUDEffectSpiral *)hud_objectp)->setSpinRate(20.f);
                ((LLHUDEffectSpiral *)hud_objectp)->setFlickerRate(0.f);
                ((LLHUDEffectSpiral *)hud_objectp)->setScaleBase(0.1f);
                ((LLHUDEffectSpiral *)hud_objectp)->setScaleVar(0.1f);
                ((LLHUDEffectSpiral *)hud_objectp)->setColor(LLColor4U(255, 255, 255, 255));
                break;
        case LL_HUD_EFFECT_SPIRAL:
                hud_objectp = new LLHUDEffectSpiral(type);
                ((LLHUDEffectSpiral *)hud_objectp)->setDuration(2.f);
                ((LLHUDEffectSpiral *)hud_objectp)->setVMag(-2.f);
                ((LLHUDEffectSpiral *)hud_objectp)->setVOffset(0.5f);
                ((LLHUDEffectSpiral *)hud_objectp)->setInitialRadius(1.f);
                ((LLHUDEffectSpiral *)hud_objectp)->setFinalRadius(0.5f);
                ((LLHUDEffectSpiral *)hud_objectp)->setSpinRate(10.f);
                ((LLHUDEffectSpiral *)hud_objectp)->setFlickerRate(20.f);
                ((LLHUDEffectSpiral *)hud_objectp)->setScaleBase(0.02f);
                ((LLHUDEffectSpiral *)hud_objectp)->setScaleVar(0.02f);
                ((LLHUDEffectSpiral *)hud_objectp)->setColor(LLColor4U(255, 255, 255, 255));
                break;
        case LL_HUD_EFFECT_EDIT:
                hud_objectp = new LLHUDEffectSpiral(type);
                ((LLHUDEffectSpiral *)hud_objectp)->setDuration(2.f);
                ((LLHUDEffectSpiral *)hud_objectp)->setVMag(2.f);
                ((LLHUDEffectSpiral *)hud_objectp)->setVOffset(-1.f);
                ((LLHUDEffectSpiral *)hud_objectp)->setInitialRadius(1.5f);
                ((LLHUDEffectSpiral *)hud_objectp)->setFinalRadius(1.f);
                ((LLHUDEffectSpiral *)hud_objectp)->setSpinRate(4.f);
                ((LLHUDEffectSpiral *)hud_objectp)->setFlickerRate(200.f);
                ((LLHUDEffectSpiral *)hud_objectp)->setScaleBase(0.1f);
                ((LLHUDEffectSpiral *)hud_objectp)->setScaleVar(0.1f);
                ((LLHUDEffectSpiral *)hud_objectp)->setColor(LLColor4U(255, 255, 255, 255));
                break;
        case LL_HUD_EFFECT_LOOKAT:
                hud_objectp = new LLHUDEffectLookAt(type);
                break;
        case LL_HUD_EFFECT_VOICE_VISUALIZER:
                hud_objectp = new LLVoiceVisualizer(type);
                break;
        case LL_HUD_EFFECT_POINTAT:
                hud_objectp = new LLHUDEffectPointAt(type);
                break;
        default:
                llwarns << "Unknown type of hud effect:" << (U32) type << llendl;
        }

        if (hud_objectp)
        {
                sHUDObjects.push_back(hud_objectp);
        }
        return hud_objectp;
}

// static
void LLHUDObject::updateAll()
{
        LLFastTimer ftm(LLFastTimer::FTM_HUD_UPDATE);
        LLHUDText::updateAll();
        LLHUDIcon::updateAll();
        sortObjects();
}

// static
void LLHUDObject::renderAll()
{
        LLHUDObject *hud_objp;
        
        hud_object_list_t::iterator object_it;
        for (object_it = sHUDObjects.begin(); object_it != sHUDObjects.end(); )
        {
                hud_object_list_t::iterator cur_it = object_it++;
                hud_objp = (*cur_it);
                if (hud_objp->getNumRefs() == 1)
                {
                        sHUDObjects.erase(cur_it);
                }
                else if (hud_objp->isVisible())
                {
                        hud_objp->render();
                }
        }

        LLVertexBuffer::unbind();
}

// static
void LLHUDObject::renderAllForSelect()
{
        LLHUDObject *hud_objp;
        
        hud_object_list_t::iterator object_it;
        for (object_it = sHUDObjects.begin(); object_it != sHUDObjects.end(); )
        {
                hud_object_list_t::iterator cur_it = object_it++;
                hud_objp = (*cur_it);
                if (hud_objp->getNumRefs() == 1)
                {
                        sHUDObjects.erase(cur_it);
                }
                else if (hud_objp->isVisible())
                {
                        hud_objp->renderForSelect();
                }
        }
}

// static
void LLHUDObject::sortObjects()
{
        sHUDObjects.sort(hud_object_further_away());    
}

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