v4games
/
assimp
3
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Make coord transfor for hs1 files optional (#5687) 

* Make coord transfor for hs1 files optional

* Add config switch for HS1 transformation transformation
pull/5697/head
Kim Kulling 2024-07-31 18:39:39 +02:00 committed by GitHub
parent 104a70f845
commit e63d3ed8e7
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
3 changed files with 33 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
code/AssetLib/MDL/HalfLife/HL1ImportSettings.h
View File

@ -63,7 +63,8 @@ struct HL1ImportSettings {
read_bone_controllers(false),
read_hitboxes(false),
read_textures(false),
read_misc_global_info(false) {
read_misc_global_info(false),
transform_coord_system(true) {
}
bool read_animations;
@ -76,6 +77,7 @@ struct HL1ImportSettings {
bool read_hitboxes;
bool read_textures;
bool read_misc_global_info;
bool transform_coord_system;
};
} // namespace HalfLife

35
code/AssetLib/MDL/MDLLoader.cpp
View File

@ -99,7 +99,7 @@ MDLImporter::MDLImporter() :
// ------------------------------------------------------------------------------------------------
// Returns whether the class can handle the format of the given file.
bool MDLImporter::CanRead(const std::string &pFile, IOSystem *pIOHandler, bool /*checkSig*/) const {
static const uint32_t tokens[] = {
static constexpr uint32_t tokens[] = {
AI_MDL_MAGIC_NUMBER_LE_HL2a,
AI_MDL_MAGIC_NUMBER_LE_HL2b,
AI_MDL_MAGIC_NUMBER_LE_GS7,
@ -138,6 +138,7 @@ void MDLImporter::SetupProperties(const Importer *pImp) {
mHL1ImportSettings.read_bone_controllers = pImp->GetPropertyBool(AI_CONFIG_IMPORT_MDL_HL1_READ_BONE_CONTROLLERS, true);
mHL1ImportSettings.read_hitboxes = pImp->GetPropertyBool(AI_CONFIG_IMPORT_MDL_HL1_READ_HITBOXES, true);
mHL1ImportSettings.read_misc_global_info = pImp->GetPropertyBool(AI_CONFIG_IMPORT_MDL_HL1_READ_MISC_GLOBAL_INFO, true);
mHL1ImportSettings.transform_coord_system = pImp->GetPropertyBool(AI_CONFIG_IMPORT_MDL_HL1_TRANSFORM_COORD_SYSTEM);
}
// ------------------------------------------------------------------------------------------------
@ -146,6 +147,20 @@ const aiImporterDesc *MDLImporter::GetInfo() const {
return &desc;
}
// ------------------------------------------------------------------------------------------------
static void transformCoordinateSystem(const aiScene *pScene) {
if (pScene == nullptr) {
return;
}
pScene->mRootNode->mTransformation = aiMatrix4x4(
0.f, -1.f, 0.f, 0.f,
0.f, 0.f, 1.f, 0.f,
-1.f, 0.f, 0.f, 0.f,
0.f, 0.f, 0.f, 1.f
);
}
// ------------------------------------------------------------------------------------------------
// Imports the given file into the given scene structure.
void MDLImporter::InternReadFile(const std::string &pFile,
@ -246,18 +261,16 @@ void MDLImporter::InternReadFile(const std::string &pFile,
". Magic word (", ai_str_toprintable((const char *)&iMagicWord, sizeof(iMagicWord)), ") is not known");
}
if (is_half_life){
if (is_half_life && mHL1ImportSettings.transform_coord_system) {
// Now rotate the whole scene 90 degrees around the z and x axes to convert to internal coordinate system
pScene->mRootNode->mTransformation = aiMatrix4x4(
0.f, -1.f, 0.f, 0.f,
0.f, 0.f, 1.f, 0.f,
-1.f, 0.f, 0.f, 0.f,
0.f, 0.f, 0.f, 1.f);
}
else {
transformCoordinateSystem(pScene);
} else {
// Now rotate the whole scene 90 degrees around the x axis to convert to internal coordinate system
pScene->mRootNode->mTransformation = aiMatrix4x4(1.f, 0.f, 0.f, 0.f,
0.f, 0.f, 1.f, 0.f, 0.f, -1.f, 0.f, 0.f, 0.f, 0.f, 0.f, 1.f);
pScene->mRootNode->mTransformation = aiMatrix4x4(
1.f, 0.f, 0.f, 0.f,
0.f, 0.f, 1.f, 0.f,
0.f, -1.f, 0.f, 0.f,
0.f, 0.f, 0.f, 1.f);
}
DeleteBufferAndCleanup();

6
include/assimp/config.h.in
View File

@ -724,6 +724,12 @@ enum aiComponent
*/
#define AI_CONFIG_IMPORT_MDL_HL1_READ_ANIMATION_EVENTS "IMPORT_MDL_HL1_READ_ANIMATION_EVENTS"
// ---------------------------------------------------------------------------
/** @brief Set whether you want to convert the HS1 coordinate system in a special way.
* The default value is true (S1)
* Property type: bool
*/
#define AI_CONFIG_IMPORT_MDL_HL1_TRANSFORM_COORD_SYSTEM "TRANSFORM COORDSYSTEM FOR HS! MODELS"
// ---------------------------------------------------------------------------
/** @brief Set whether the MDL (HL1) importer will read blend controllers.
* \note This property requires AI_CONFIG_IMPORT_MDL_HL1_READ_ANIMATIONS to be set to true.