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Code Issues 151 Wiki Activity

Keep the hotspotpower of light points apart from their colour

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Hirek
2026-10-19 17:51:13 +02:00
parent 8c00b0bc3d
commit 0545f93f24
4 changed files with 31 additions and 21 deletions
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42
model/Model3d.cpp
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@@ -360,19 +360,21 @@ std::pair<int, int> TSubModel::Load(cParser &parser, bool dynamic)
parser >> fNearAttenStart >> discard >> fNearAttenEnd >> discard >> bUseNearAtten >> discard >> iFarAttenDecay >> discard >> fFarDecayRadius >> discard >>
fCosFalloffAngle // kąt liczony dla średnicy, a nie promienia
>> discard >> fCosHotspotAngle; // kąt liczony dla średnicy, a nie promienia
// trzeba pobrac do kolejki 2 tokeny
// opcjonalne natężenie światła w procentach. trzeba pobrać do kolejki 2 tokeny; jeśli to nie hotspotpower,
// zostają w kolejce dla odczytu zasięgu widoczności, który przywraca autoclear
parser.getTokens(2);
if (parser.peek() == "hotspotpower:")
{
float multiplier;
parser >> discard >> multiplier;
WriteLog("Found hotspot power!");
// recaluclate multiplier
diffuseMultiplier = multiplier / 100.f;
// apply color only on nvrenderer
if (Global.NvRenderer)
f4Diffuse *= diffuseMultiplier;
float power;
parser >> discard >> power;
if (power > 0.f)
{
fHotspotPower = power * 0.01f;
}
else
{
ErrorLog("Bad model: non-positive hotspotpower " + std::to_string(power) + " of light \"" + pName + "\" in model \"" + parser.Name() + "\", ignored", logtype::model);
}
}
else
parser.autoclear(false);
@@ -1814,7 +1816,10 @@ void TSubModel::serialize(std::ostream &s, std::vector<TSubModel *> &models, std
sn_utils::ls_int32(s, m_geometry.index_offset);
// external data
sn_utils::ls_float32(s, diffuseMultiplier);
// the slot of the former diffuse multiplier, by which the diffuse colour of light points was multiplied (or not, depending on
// the renderer the model was converted with). the colour is written as it is now, 1 makes older programs leave it so
sn_utils::ls_float32(s, 1.f);
sn_utils::ls_float32(s, fHotspotPower);
// fill empty space
size_t fill = end - s.tellp();
@@ -1986,10 +1991,17 @@ void TSubModel::deserialize(std::istream &s)
m_geometry.index_offset = sn_utils::ld_int32(s);
// extra data block
diffuseMultiplier = sn_utils::ld_float32(s);
// only multiply diffuse on experimental renderer
if (!Global.NvRenderer)
f4Diffuse /= diffuseMultiplier <= 0.0 ? 1.0 : diffuseMultiplier;
auto const diffusemultiplier{sn_utils::ld_float32(s)};
fHotspotPower = sn_utils::ld_float32(s);
if (fHotspotPower <= 0.f)
{
// file without the power of its own, where the diffuse colour holds it, or files older than both: 0 in either slot
fHotspotPower = diffusemultiplier > 0.f ? diffusemultiplier : 1.f;
if (eType == TP_FREESPOTLIGHT)
{
f4Diffuse /= fHotspotPower;
}
}
// necessary rotations were already done during t3d->e3d conversion
m_rotation_init_done = true;