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parse light source references

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This commit is contained in:
David Siegel 2023-05-09 01:33:57 +02:00
parent 350c296802
commit c164878d0f
1 changed files with 15 additions and 0 deletions
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15
tiny_gltf.h
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@ -1062,6 +1062,7 @@ class Node {
std::string name;
int skin;
int mesh;
int light; // light source index (KHR_lights_punctual)
std::vector<int> children;
std::vector<double> rotation; // length must be 0 or 4
std::vector<double> scale; // length must be 0 or 3
@ -5090,6 +5091,20 @@ static bool ParseNode(Node *node, std::string *err, const detail::json &o,
}
}
// KHR_lights_punctual: parse light source reference
int light = -1;
if (node->extensions.count("KHR_lights_punctual") != 0) {
auto const& light_ext = node->extensions["KHR_lights_punctual"];
if (light_ext.Has("light")) {
light = light_ext.Get("light").GetNumberAsInt();
} else {
*err += "Node has extension KHR_lights_punctual, but does not reference "
"a light source.\n";
return false;
}
}
node->light = light;
return true;
}