#include <light_influence_interpolator.h>
Nevrax France
Definition at line 48 of file light_influence_interpolator.h.
Public Types | |
| enum | { NumLightPerCorner = 2 } |
| We support only 2 light per corner. More... | |
Public Member Functions | |
| CLightInfluenceInterpolator () | |
| Constructor. No-op !! | |
| void | interpolate (std::vector< CPointLightInfluence > &pointLightList, float subX, float subY) |
Data Fields | |
| CCorner | Corners [4] |
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We support only 2 light per corner.
Definition at line 53 of file light_influence_interpolator.h.
00053 {NumLightPerCorner= 2};
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Constructor. No-op !!
Definition at line 77 of file light_influence_interpolator.h.
00077 {}
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solve the biLinear (regrouping multiple influence of light at same id), and add CPointLightInfluence to the list.
Definition at line 38 of file light_influence_interpolator.cpp. References NL3D::CPointLightNamed::_IdInInfluenceList, Corners, NL3D::CLightInfluenceInterpolator::CCorner::Influence, NL3D::CLightInfluenceInterpolator::CCorner::Lights, nlassert, NumLightPerCorner, sint, and uint. Referenced by NL3D::CPatch::appendTileLightInfluences(), and NL3D::CSurfaceLightGrid::getStaticLightSetup().
00039 {
00040 uint crn;
00041 // UnRolled loops.
00042 nlassert(NumLightPerCorner==2);
00043
00044 // Reset index for each light.
00045 for(crn= 0; crn<4; crn++)
00046 {
00047 CCorner &corner= Corners[crn];
00048 // UnRolled.
00049 if(corner.Lights[0])
00050 corner.Lights[0]->_IdInInfluenceList= -1;
00051 if(corner.Lights[1])
00052 corner.Lights[1]->_IdInInfluenceList= -1;
00053 }
00054
00055 // Compute biLinear influence on each corner
00056 Corners[0].Influence= (1-subX) * (1-subY);
00057 Corners[1].Influence= subX * (1-subY);
00058 Corners[2].Influence= (1-subX) * subY;
00059 Corners[3].Influence= subX * subY;
00060
00061 // For each light of each corner
00062 for(crn= 0; crn<4; crn++)
00063 {
00064 CCorner &corner= Corners[crn];
00065 // UnRolled.
00066 // light 0.
00067 if(corner.Lights[0])
00068 {
00069 if(corner.Lights[0]->_IdInInfluenceList==-1)
00070 {
00071 // append a PointLightInfluence
00072 pointLightList.push_back(CPointLightInfluence());
00073 sint id= pointLightList.size()-1;
00074 // setup the PointLightInfluence
00075 corner.Lights[0]->_IdInInfluenceList= id;
00076 pointLightList[id].PointLight= corner.Lights[0];
00077 pointLightList[id].Influence= corner.Influence;
00078 }
00079 else
00080 {
00081 // get the PointLightInfluence
00082 sint id= corner.Lights[0]->_IdInInfluenceList;
00083 // increment the influence of the PointLightInfluence
00084 pointLightList[id].Influence+= corner.Influence;
00085 }
00086 }
00087 // light 1.
00088 if(corner.Lights[1])
00089 {
00090 if(corner.Lights[1]->_IdInInfluenceList==-1)
00091 {
00092 // append a PointLightInfluence
00093 pointLightList.push_back(CPointLightInfluence());
00094 sint id= pointLightList.size()-1;
00095 // setup the PointLightInfluence
00096 corner.Lights[1]->_IdInInfluenceList= id;
00097 pointLightList[id].PointLight= corner.Lights[1];
00098 pointLightList[id].Influence= corner.Influence;
00099 }
00100 else
00101 {
00102 // get the PointLightInfluence
00103 sint id= corner.Lights[1]->_IdInInfluenceList;
00104 // increment the influence of the PointLightInfluence
00105 pointLightList[id].Influence+= corner.Influence;
00106 }
00107 }
00108 }
00109 }
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The User must setup Lights correctly for each corner (ie set NULL for each light not here). Corner order is TL(0,0), TR(1,0), BL(0,1), BR(1,1). Definition at line 71 of file light_influence_interpolator.h. Referenced by NL3D::CPatch::appendTileLightInfluences(), NL3D::CSurfaceLightGrid::getStaticLightSetup(), and interpolate(). |
1.3.6