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implement load mesh name from gltf/iqm/obj

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あるる / きのもと 結衣 2026-03-10 20:36:25 +09:00
parent 7b1096dc53
commit f4d54bec50
2 changed files with 19 additions and 0 deletions
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1
src/raylib.h
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@ -341,6 +341,7 @@ typedef struct Camera2D {
// Mesh, vertex data and vao/vbo
typedef struct Mesh {
char name[32]; // Mesh name
int vertexCount; // Number of vertices stored in arrays
int triangleCount; // Number of triangles stored (indexed or not)

18
src/rmodels.c
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@ -4569,12 +4569,15 @@ static Model LoadOBJ(const char *fileName)
nextShapeEnd = objAttributes.num_face_num_verts;
// See how many verts till the next shape
unsigned int currentShape = 0;
nextShape = 1;
if (objShapeCount > 1) nextShapeEnd = objShapes[nextShape].face_offset;
lastMaterial = -1;
meshIndex = 0;
localMeshVertexCount = 0;
strncpy(model.meshes[meshIndex].name, objShapes[currentShape].name, sizeof(model.meshes[meshIndex].name) - 1);
// Walk all the faces
for (unsigned int faceId = 0; faceId < objAttributes.num_faces; faceId++)
{
@ -4583,6 +4586,7 @@ static Model LoadOBJ(const char *fileName)
{
// Try to find the last vert in the next shape
nextShape++;
currentShape++;
if (nextShape < objShapeCount) nextShapeEnd = objShapes[nextShape].face_offset;
else nextShapeEnd = objAttributes.num_face_num_verts; // This is actually the total number of face verts in the file, not faces
newMesh = true;
@ -4596,6 +4600,7 @@ static Model LoadOBJ(const char *fileName)
{
localMeshVertexCount = 0;
meshIndex++;
strncpy(model.meshes[meshIndex].name, objShapes[currentShape].name, sizeof(model.meshes[meshIndex].name) - 1);
}
int matId = 0;
@ -4821,6 +4826,7 @@ static Model LoadIQM(const char *fileName)
TRACELOG(LOG_DEBUG, "MODEL: [%s] mesh name (%s), material (%s)", fileName, name, material);
strncpy(model.meshes[i].name, name, sizeof(model.meshes[i].name) - 1);
model.meshes[i].vertexCount = imesh[i].num_vertexes;
model.meshes[i].vertices = (float *)RL_CALLOC(model.meshes[i].vertexCount*3, sizeof(float)); // Default vertex positions
@ -5701,6 +5707,10 @@ static Model LoadGLTF(const char *fileName)
if ((attribute->type == cgltf_type_vec3) && (attribute->component_type == cgltf_component_type_r_32f))
{
// Init raylib mesh vertices to copy glTF attribute data
if (node->name)
{
strncpy(model.meshes[meshIndex].name, node->name, sizeof(model.meshes[meshIndex].name) - 1);
}
model.meshes[meshIndex].vertexCount = (int)attribute->count;
model.meshes[meshIndex].vertices = (float *)RL_MALLOC(attribute->count*3*sizeof(float));
@ -5720,6 +5730,10 @@ static Model LoadGLTF(const char *fileName)
else if ((attribute->type == cgltf_type_vec3) && (attribute->component_type == cgltf_component_type_r_16u))
{
// Init raylib mesh vertices to copy glTF attribute data
if (node->name)
{
strncpy(model.meshes[meshIndex].name, node->name, sizeof(model.meshes[meshIndex].name) - 1);
}
model.meshes[meshIndex].vertexCount = (int)attribute->count;
model.meshes[meshIndex].vertices = (float *)RL_MALLOC(attribute->count*3*sizeof(float));
@ -5745,6 +5759,10 @@ static Model LoadGLTF(const char *fileName)
else if ((attribute->type == cgltf_type_vec3) && (attribute->component_type == cgltf_component_type_r_16))
{
// Init raylib mesh vertices to copy glTF attribute data
if (node->name)
{
strncpy(model.meshes[meshIndex].name, node->name, sizeof(model.meshes[meshIndex].name) - 1);
}
model.meshes[meshIndex].vertexCount = (int)attribute->count;
model.meshes[meshIndex].vertices = (float *)RL_MALLOC(attribute->count*3*sizeof(float));