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romkazvo
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ResourceCompilerPC/BoneLightBindInfo.cpp
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200
ResourceCompilerPC/BoneLightBindInfo.cpp
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#include "stdafx.h"
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#ifdef _CRY_ANIMATION_BASE_HEADER_
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#include "CVars.h"
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#endif
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#include "BoneLightBindInfo.h"
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// initializes this from the structures found in the cgf file
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void CBoneLightBindInfo::load (const SBoneLightBind& bind, const LIGHT_CHUNK_DESC& light, const char* szLightName, float fScale)
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{
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// set up the flags that will be set to the DLight
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m_nDLightFlags = 0;
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// the light source must have a name with substrings _ls and/or _hs
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// _ls means a light source, _hs means a heat source
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// if none is present, then the heat source flag is automatically set up
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if (strstr(szLightName,"_ls"))
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m_nDLightFlags |= DLF_LIGHTSOURCE;
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if (strstr(szLightName, "_hs"))
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m_nDLightFlags |= DLF_HEATSOURCE;
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if (!(m_nDLightFlags & (DLF_HEATSOURCE|DLF_LIGHTSOURCE)))
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m_nDLightFlags |= DLF_HEATSOURCE;
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if (strstr(szLightName, "local"))
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m_nDLightFlags |= DLF_LOCAL;
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if (light.szLightImage[0])
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m_nDLightFlags |= DLF_PROJECT;
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else
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m_nDLightFlags |= DLF_POINT;
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m_nBone = bind.nBoneId;
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m_vPos = bind.vLightOffset;
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m_qRot = exp( quaternionf(0,bind.vRotLightOrientation) );
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constructMatLight();
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m_nType = light.type;
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m_rgbColor.r = light.color.r / 255.0f;
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m_rgbColor.g = light.color.g / 255.0f;
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m_rgbColor.b = light.color.b / 255.0f;
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m_rgbColor.a = 1.0f;
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m_fIntensity = light.intens;
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m_fHotSpotSize = light.hotsize;
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m_fFalloffSize = light.fallsize;
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m_fNearAttenStart = light.nearAttenStart;
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m_fNearAttenEnd = light.nearAttenEnd;
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m_fFarAttenStart = light.attenStart;
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m_fFarAttenEnd = light.attenEnd;
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m_vDirection = light.vDirection;
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m_strLightImage = light.szLightImage;
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m_bOn = light.on;
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m_bUseNearAtten = light.useNearAtten;
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m_bUseFarAtten = light.useAtten;
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m_bShadow = light.shadow;
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if (!m_bUseFarAtten)
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{
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#ifdef _CRY_ANIMATION_BASE_HEADER_
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g_GetLog()->LogWarning ("\003no far attenuation in the heat source (bone) light, using default");
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#endif
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m_fFarAttenEnd = 40;
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}
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scale (fScale);
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}
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void CBoneLightBindInfo::scale (float fScale)
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{
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m_vPos *= fScale;
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m_matLight.SetTranslationOLD (m_matLight.GetTranslationOLD()*fScale);
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m_fNearAttenStart *= fScale;
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m_fNearAttenEnd *= fScale;
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m_fFarAttenStart *= fScale;
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m_fFarAttenEnd *= fScale;
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if (!m_bUseFarAtten)
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m_fFarAttenEnd *= fScale;
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}
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void CBoneLightBindInfo::constructMatLight()
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{
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m_matLight=Matrix44(m_qRot);
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m_matLight.SetTranslationOLD(m_vPos);
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}
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//////////////////////////////////////////////////////////////////////////
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// initializes the given DLight structure out of the given bone instance
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// this is one-time call that is only required after construction of the DLight
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// to initialize its constant parameters
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void CBoneLightBindInfo::initDLight (CDLight& rDLight)
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{
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rDLight.m_Flags &= ~(DLF_LIGHTSOURCE|DLF_HEATSOURCE|DLF_PROJECT|DLF_POINT);
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rDLight.m_Flags |= m_nDLightFlags;
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rDLight.m_Flags |= DLF_LOCAL;
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rDLight.m_fDirectFactor = 0;
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rDLight.m_Color = m_rgbColor;
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rDLight.m_fRadius = m_fFarAttenEnd;
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}
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//////////////////////////////////////////////////////////////////////////
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// per-frame update of the DLight structure. Updates the light position and radius
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// PARAMETERS:
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// matParentBone - the partent coordinate frame
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// fRadiusFactor - the multiplier for the original radius of the light
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// rDLight - the light to update
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void CBoneLightBindInfo::updateDLight (const Matrix44& matParentBone, float fRadiusMultiplier, CDLight& DLight)
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{
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DLight.m_Origin = matParentBone.TransformPointOLD(m_vPos);
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DLight.m_fRadius = m_fFarAttenEnd * fRadiusMultiplier;
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}
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// returns true if this light source is local (affects only the character)
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bool CBoneLightBindInfo::isLocal()const
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{
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return (m_nDLightFlags & DLF_LOCAL) != 0;
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}
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bool CBoneLightBindInfo::isHeatSource()const
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{
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return (m_nDLightFlags & DLF_HEATSOURCE) != 0;
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}
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bool CBoneLightBindInfo::isLightSource()const
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{
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return (m_nDLightFlags & DLF_LIGHTSOURCE) != 0;
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}
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// returns the priority to sort
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int CBoneLightBindInfo::getPriority()const
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{
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int nPriority = isLocal()?0:1;
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nPriority <<= 1;
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nPriority |= isHeatSource()?0:1;
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nPriority <<= 1;
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return nPriority;
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}
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//////////////////////////////////////////////////////////////////////////
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// Serialization to/from memory buffer.
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// if the buffer is NULL, and bSave is true, returns the required buffer size
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// otherwise, tries to save/load from the buffer, returns the number of bytes written/read
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// or 0 if the buffer is too small or some error occured
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unsigned CBoneLightBindInfo::Serialize (bool bSave, void* pBuffer, unsigned nSize)
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{
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const int nVersion = 1;
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typedef CBoneLightBindDesc Desc;
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if (bSave)
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{
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// calculate the required size
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unsigned nRequiredSize = unsigned(sizeof(nVersion) + sizeof(Desc) + m_strLightImage.length()+1);
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if (!pBuffer)
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return nRequiredSize;
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if (nSize < nRequiredSize)
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return 0;
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*(int*)pBuffer = 1;
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pBuffer = (int*)pBuffer+1;
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*((Desc*)pBuffer) = *(Desc*)this;
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pBuffer = ((Desc*)pBuffer)+1;
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memcpy (pBuffer, m_strLightImage.c_str(), m_strLightImage.length()+1);
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return nRequiredSize;
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}
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else
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{
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if (nSize < sizeof(nVersion) +sizeof(Desc))
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return 0;
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const char* pBufEnd = (const char*)pBuffer + nSize;
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int nRealVersion = *(int*)pBuffer;
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if (nRealVersion != nVersion)
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return 0;
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void* pRawData = (int*)pBuffer + 1;
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*(Desc*)this = *(const Desc*)pRawData;
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pRawData = ((Desc*)pRawData)+1;
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const char* pName = (const char*)pRawData;
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m_strLightImage = "";
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for(;*pName && pName < pBufEnd;++pName)
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m_strLightImage += *pName;
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constructMatLight();
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return (unsigned)(pName+1 - (const char*)pBuffer);
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}
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}
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