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add aiProcess_GenNormals + aiProcess_GenSmoothNormals

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tc 2019-01-11 00:07:17 +01:00
parent e4daa0bf16
commit e1e5b907c1
3 changed files with 30 additions and 0 deletions
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10
pandatool/src/assimp/assimpLoader.cxx
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@ -129,6 +129,16 @@ read(const Filename &filename) {
if (assimp_flip_winding_order) {
flags |= aiProcess_FlipWindingOrder;
}
if (assimp_gen_normals) {
if (assimp_smooth_normal_angle == 0.0) {
flags |= aiProcess_GenNormals;
}
else {
flags |= aiProcess_GenSmoothNormals;
_importer.SetPropertyFloat(AI_CONFIG_PP_GSN_MAX_SMOOTHING_ANGLE,
assimp_smooth_normal_angle);
}
}
_scene = _importer.ReadFile(_filename.c_str(), flags);
if (_scene == nullptr) {

17
pandatool/src/assimp/config_assimp.cxx
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@ -69,6 +69,23 @@ ConfigVariableBool assimp_flip_winding_order
"the Assimp loader. Note that you may need to clear the model-cache "
"after changing this."));
ConfigVariableBool assimp_gen_normals
("assimp-gen-normals", false,
PRC_DESC("Set this true to generate normals (if absent from file) on import. "
"See assimp-smooth-normal-angle for more information. "
"Note that you may need to clear the model-cache after "
"changing this."));
ConfigVariableDouble assimp_smooth_normal_angle
("assimp-smooth-normal-angle", 0.0,
PRC_DESC("Set this to anything other than 0.0 in degrees (so 180.0 is PI) to "
"specify the maximum angle that may be between two face normals at "
"the same vertex position that are smoothed together. Sometimes "
"referred to as 'crease angle'. Only has effect if "
"assimp-gen-normals is set to true and the file does not contain "
"normals. Note that you may need to clear the model-cache after "
"changing this."));
/**
* Initializes the library. This must be called at least once before any of
* the functions or classes in this library can be used. Normally it will be

3
pandatool/src/assimp/config_assimp.h
View File

@ -16,6 +16,7 @@
#include "pandatoolbase.h"
#include "configVariableBool.h"
#include "configVariableDouble.h"
#include "dconfig.h"
ConfigureDecl(config_assimp, EXPCL_ASSIMP, EXPTP_ASSIMP);
@ -29,6 +30,8 @@ extern ConfigVariableBool assimp_fix_infacing_normals;
extern ConfigVariableBool assimp_optimize_meshes;
extern ConfigVariableBool assimp_optimize_graph;
extern ConfigVariableBool assimp_flip_winding_order;
extern ConfigVariableBool assimp_gen_normals;
extern ConfigVariableDouble assimp_smooth_normal_angle;
extern EXPCL_ASSIMP void init_libassimp();