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Optimize m3d mesh creation

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DaveH355 2023-10-02 15:25:54 +08:00 • committed by GitHub
parent bc15c19518
commit ea82291c90
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1 changed files with 12 additions and 0 deletions
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src/rmodels.c
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@ -5567,6 +5567,15 @@ static Model LoadVOX(const char *fileName)
unsigned char *m3d_loaderhook(char *fn, unsigned int *len) { return LoadFileData((const char *)fn, (int *)len); }
void m3d_freehook(void *data) { UnloadFileData((unsigned char *)data); }
// Comparison function for qsort
static int m3d_compare_faces(const void *a, const void *b)
{
m3df_t *fa = (m3df_t *)a;
m3df_t *fb = (m3df_t *)b;
return (fa->materialid - fb->materialid);
}
// Load M3D mesh data
static Model LoadM3D(const char *fileName)
{
@ -5614,6 +5623,9 @@ static Model LoadM3D(const char *fileName)
// We always need a default material, so we add +1
model.materialCount++;
// Sort faces by material.
qsort(m3d->face, m3d->numface, sizeof(m3df_t), m3d_compare_faces);
model.meshes = (Mesh *)RL_CALLOC(model.meshCount, sizeof(Mesh));
model.meshMaterial = (int *)RL_CALLOC(model.meshCount, sizeof(int));
model.materials = (Material *)RL_CALLOC(model.materialCount + 1, sizeof(Material));