fix off-by-one bug with bone numbers in skel_build

[xonotic/darkplaces.git] / clvm_cmds.c

diff --git a/clvm_cmds.c b/clvm_cmds.c
index c1f3dd635e3415a46e03f24736cf5c52b353cdf2..2a3376bf1a3ca6bf9a0d2ad14b9e12dac653ad6b 100644 (file)
--- a/clvm_cmds.c
+++ b/clvm_cmds.c
@@ -3450,8 +3450,8 @@ static void VM_CL_skel_build(void)
        prvm_edict_t *ed = PRVM_G_EDICT(OFS_PARM1);
        int modelindex = (int)PRVM_G_FLOAT(OFS_PARM2);
        float retainfrac = PRVM_G_FLOAT(OFS_PARM3);
-       int firstbone = PRVM_G_FLOAT(OFS_PARM4);
-       int lastbone = PRVM_G_FLOAT(OFS_PARM5);
+       int firstbone = PRVM_G_FLOAT(OFS_PARM4) - 1;
+       int lastbone = PRVM_G_FLOAT(OFS_PARM5) - 1;
        dp_model_t *model = CL_GetModelByIndex(modelindex);
        float blendfrac;
        int numblends;