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fix hl1 mdl orientation, tex coords, face windings order

pull/3842/head
Garux 2021-04-29 19:51:03 +03:00
parent 96d0524fab
commit 4798ff3882
2 changed files with 18 additions and 6 deletions
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6
code/AssetLib/MDL/HalfLife/HL1MDLLoader.cpp
View File

@ -868,7 +868,7 @@ void HL1MDLLoader::read_meshes() {
scene_mesh->mNormals[v] = bind_pose_normals[pTrivert->normindex]; scene_mesh->mNormals[v] = bind_pose_normals[pTrivert->normindex];
scene_mesh->mTextureCoords[0][v] = aiVector3D( scene_mesh->mTextureCoords[0][v] = aiVector3D(
pTrivert->s * texcoords_s_scale, pTrivert->s * texcoords_s_scale,
pTrivert->t * texcoords_t_scale, 0); pTrivert->t * -texcoords_t_scale, 0);
} }
// Add face and indices. // Add face and indices.
@ -879,9 +879,9 @@ void HL1MDLLoader::read_meshes() {
aiFace *face = &scene_mesh->mFaces[f]; aiFace *face = &scene_mesh->mFaces[f];
face->mNumIndices = 3; face->mNumIndices = 3;
face->mIndices = new unsigned int[3]; face->mIndices = new unsigned int[3];
face->mIndices[0] = mesh_faces[f].v0; face->mIndices[0] = mesh_faces[f].v2;
face->mIndices[1] = mesh_faces[f].v1; face->mIndices[1] = mesh_faces[f].v1;
face->mIndices[2] = mesh_faces[f].v2; face->mIndices[2] = mesh_faces[f].v0;
} }
// Add mesh bones. // Add mesh bones.

18
code/AssetLib/MDL/MDLLoader.cpp
View File

@ -199,6 +199,7 @@ void MDLImporter::InternReadFile(const std::string &pFile,
const uint32_t iMagicWord = *((uint32_t *)mBuffer); const uint32_t iMagicWord = *((uint32_t *)mBuffer);
// Determine the file subtype and call the appropriate member function // Determine the file subtype and call the appropriate member function
bool is_half_life = false;
// Original Quake1 format // Original Quake1 format
if (AI_MDL_MAGIC_NUMBER_BE == iMagicWord || AI_MDL_MAGIC_NUMBER_LE == iMagicWord) { if (AI_MDL_MAGIC_NUMBER_BE == iMagicWord || AI_MDL_MAGIC_NUMBER_LE == iMagicWord) {
@ -240,6 +241,7 @@ void MDLImporter::InternReadFile(const std::string &pFile,
else if (AI_MDL_MAGIC_NUMBER_BE_HL2a == iMagicWord || AI_MDL_MAGIC_NUMBER_LE_HL2a == iMagicWord || else if (AI_MDL_MAGIC_NUMBER_BE_HL2a == iMagicWord || AI_MDL_MAGIC_NUMBER_LE_HL2a == iMagicWord ||
AI_MDL_MAGIC_NUMBER_BE_HL2b == iMagicWord || AI_MDL_MAGIC_NUMBER_LE_HL2b == iMagicWord) { AI_MDL_MAGIC_NUMBER_BE_HL2b == iMagicWord || AI_MDL_MAGIC_NUMBER_LE_HL2b == iMagicWord) {
iGSFileVersion = 0; iGSFileVersion = 0;
is_half_life = true;
HalfLife::HalfLifeMDLBaseHeader *pHeader = (HalfLife::HalfLifeMDLBaseHeader *)mBuffer; HalfLife::HalfLifeMDLBaseHeader *pHeader = (HalfLife::HalfLifeMDLBaseHeader *)mBuffer;
if (pHeader->version == AI_MDL_HL1_VERSION) { if (pHeader->version == AI_MDL_HL1_VERSION) {
@ -255,9 +257,19 @@ void MDLImporter::InternReadFile(const std::string &pFile,
". Magic word (", std::string((char *)&iMagicWord, 4), ") is not known"); ". Magic word (", std::string((char *)&iMagicWord, 4), ") is not known");
} }
// Now rotate the whole scene 90 degrees around the x axis to convert to internal coordinate system if (is_half_life){
pScene->mRootNode->mTransformation = aiMatrix4x4(1.f, 0.f, 0.f, 0.f, // Now rotate the whole scene 90 degrees around the z and x axes to convert to internal coordinate system
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(
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 {
// 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);
}
DeleteBufferAndCleanup(); DeleteBufferAndCleanup();
} catch (...) { } catch (...) {