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update lights to follow the KHR_lights_punctual extension

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This commit is contained in:
Benjamin Schmithüsen 2019-07-08 18:04:24 +02:00
parent 0ffedcbe79
commit b7ca7c9381
1 changed files with 84 additions and 9 deletions
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93
tiny_gltf.h
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@ -813,12 +813,32 @@ struct Scene {
bool operator==(const Scene &) const;
};
struct SpotLight {
double innerConeAngle;
double outerConeAngle;
SpotLight() : innerConeAngle(0.0), outerConeAngle(0.0) { }
bool operator==(const SpotLight &) const;
ExtensionMap extensions;
Value extras;
};
struct Light {
std::string name;
std::vector<double> color;
double intensity;
std::string type;
double range;
SpotLight spot;
Light() : intensity(0.0), range(0.0) {}
bool operator==(const Light &) const;
ExtensionMap extensions;
Value extras;
};
class Model {
@ -1364,6 +1384,11 @@ bool Node::operator==(const Node &other) const {
Equals(this->translation, other.translation) &&
Equals(this->weights, other.weights);
}
bool SpotLight::operator==(const SpotLight &other) const {
return this->extensions == other.extensions && this->extras == other.extras &&
TINYGLTF_DOUBLE_EQUAL(this->innerConeAngle, other.innerConeAngle) &&
TINYGLTF_DOUBLE_EQUAL(this->outerConeAngle, other.outerConeAngle);
}
bool OrthographicCamera::operator==(const OrthographicCamera &other) const {
return this->extensions == other.extensions && this->extras == other.extras &&
TINYGLTF_DOUBLE_EQUAL(this->xmag, other.xmag) &&
@ -3424,13 +3449,6 @@ static bool ParseMesh(Mesh *mesh, Model *model, std::string *err,
return true;
}
static bool ParseLight(Light *light, std::string *err, const json &o) {
ParseStringProperty(&light->name, err, o, "name", false);
ParseNumberArrayProperty(&light->color, err, o, "color", false);
ParseStringProperty(&light->type, err, o, "type", false);
return true;
}
static bool ParseNode(Node *node, std::string *err, const json &o) {
ParseStringProperty(&node->name, err, o, "name", false);
@ -3679,6 +3697,29 @@ static bool ParsePerspectiveCamera(PerspectiveCamera *camera, std::string *err,
return true;
}
static bool ParseSpotLight(SpotLight *light,
std::string *err, const json &o) {
double innerConeAngle = 0.0;
if (!ParseNumberProperty(&innerConeAngle, err, o, "innerConeAngle", true, "SpotLight")) {
return false;
}
double outerConeAngle = 0.0;
if (!ParseNumberProperty(&outerConeAngle, err, o, "outerConeAngle", true, "SpotLight")) {
return false;
}
ParseExtensionsProperty(&light->extensions, err, o);
ParseExtrasProperty(&light->extras, o);
light->innerConeAngle = innerConeAngle;
light->outerConeAngle = outerConeAngle;
// TODO(syoyo): Validate parameter values.
return true;
}
static bool ParseOrthographicCamera(OrthographicCamera *camera,
std::string *err, const json &o) {
double xmag = 0.0;
@ -3784,6 +3825,40 @@ static bool ParseCamera(Camera *camera, std::string *err, const json &o) {
return true;
}
static bool ParseLight(Light *light, std::string *err, const json &o) {
if (light->type.compare("spot") == 0) {
if (o.find("spot") == o.end()) {
if (err) {
std::stringstream ss;
ss << "Spot light description not found." << std::endl;
(*err) += ss.str();
}
return false;
}
const json &v = o.find("spot").value();
if (!v.is_object()) {
if (err) {
std::stringstream ss;
ss << "\"spot\" is not a JSON object." << std::endl;
(*err) += ss.str();
}
return false;
}
if (!ParseSpotLight(&light->spot, err, v.get<json>())) {
return false;
}
}
ParseStringProperty(&light->name, err, o, "name", false);
ParseNumberArrayProperty(&light->color, err, o, "color", false);
ParseStringProperty(&light->type, err, o, "type", false);
ParseExtensionsProperty(&light->extensions, err, o);
ParseExtrasProperty(&(light->extras), o);
return true;
}
bool TinyGLTF::LoadFromString(Model *model, std::string *err, std::string *warn,
const char *str, unsigned int length,
const std::string &base_dir,
@ -4399,8 +4474,8 @@ bool TinyGLTF::LoadFromString(Model *model, std::string *err, std::string *warn,
json::const_iterator it(root.begin());
json::const_iterator itEnd(root.end());
for (; it != itEnd; ++it) {
// parse KHR_lights_cmn extension
if ((it.key().compare("KHR_lights_cmn") == 0) &&
// parse KHR_lights_punctual extension
if ((it.key().compare("KHR_lights_punctual") == 0) &&
it.value().is_object()) {
const json &object = it.value();
json::const_iterator itLight(object.find("lights"));