fmd.c: Correct bugs in implementation

Materials are now loaded correctly.
Material indices should be loaded with 0xffffffff being -1.

1 files changed, 4 insertions, 2 deletions

diff --git a/fmd.c b/fmd.c
index 4d71f0d..ce988b4 100644
--- a/fmd.c
+++ b/fmd.c
@@ -84,7 +84,7 @@ void fmd_load(struct fmd *fmd, FILE *f)
 
 		ret = fread(*m, len, 1, f);
 		assert(ret == 1);
-		*m[len] = '\0';
+		(*m)[len] = '\0';
 	}
 
 	fmd->nmeshes = betoul(f);
@@ -94,7 +94,9 @@ void fmd_load(struct fmd *fmd, FILE *f)
 		fmd->meshes = NULL;
 	for (int i = 0; i < fmd->nmeshes; i++) {
 		struct fmd_mesh *m = &fmd->meshes[i];
-		m->midx = betoul(f);
+		unsigned long midx;
+		midx = betoul(f);
+		m->midx = midx == 0xffffffff ? -1 : (int)midx;
 		m->tidx = betoul(f);
 		m->tcnt = betoul(f);
 	}