fix crashes in viewthing code

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@11420 d7cf8633-e32d-0410-b094-e92efae38249

diff --git a/host_cmd.c b/host_cmd.c
index b60af2164b63410b49f7641ca28c429cb13f98da..764787051f97e637c372a9eebee17889e6e07476 100644 (file)
--- a/host_cmd.c
+++ b/host_cmd.c
@@ -2178,19 +2178,19 @@ void Host_Viewmodel_f (void)
 
        SV_VM_Begin();
        e = FindViewthing ();
-       SV_VM_End();
-       if (!e)
-               return;
-
-       m = Mod_ForName (Cmd_Argv(1), false, true, NULL);
-       if (!m || !m->loaded || !m->Draw)
+       if (e)
        {
-               Con_Printf("viewmodel: can't load %s\n", Cmd_Argv(1));
-               return;
+               m = Mod_ForName (Cmd_Argv(1), false, true, NULL);
+               if (m && m->loaded && m->Draw)
+               {
+                       PRVM_serveredictfloat(e, frame) = 0;
+                       cl.model_precache[(int)PRVM_serveredictfloat(e, modelindex)] = m;
+               }
+               else
+                       Con_Printf("viewmodel: can't load %s\n", Cmd_Argv(1));
+       
        }
-
-       PRVM_serveredictfloat(e, frame) = 0;
-       cl.model_precache[(int)PRVM_serveredictfloat(e, modelindex)] = m;
+       SV_VM_End();
 }
 
 /*
@@ -2209,16 +2209,17 @@ void Host_Viewframe_f (void)
 
        SV_VM_Begin();
        e = FindViewthing ();
-       SV_VM_End();
-       if (!e)
-               return;
-       m = cl.model_precache[(int)PRVM_serveredictfloat(e, modelindex)];
+       if (e)
+       {
+               m = cl.model_precache[(int)PRVM_serveredictfloat(e, modelindex)];
 
-       f = atoi(Cmd_Argv(1));
-       if (f >= m->numframes)
-               f = m->numframes-1;
+               f = atoi(Cmd_Argv(1));
+               if (f >= m->numframes)
+                       f = m->numframes-1;
 
-       PRVM_serveredictfloat(e, frame) = f;
+               PRVM_serveredictfloat(e, frame) = f;
+       }
+       SV_VM_End();
 }
 
 
@@ -2246,15 +2247,16 @@ void Host_Viewnext_f (void)
        SV_VM_Begin();
        e = FindViewthing ();
        SV_VM_End();
-       if (!e)
-               return;
-       m = cl.model_precache[(int)PRVM_serveredictfloat(e, modelindex)];
+       if (e)
+       {
+               m = cl.model_precache[(int)PRVM_serveredictfloat(e, modelindex)];
 
-       PRVM_serveredictfloat(e, frame) = PRVM_serveredictfloat(e, frame) + 1;
-       if (PRVM_serveredictfloat(e, frame) >= m->numframes)
-               PRVM_serveredictfloat(e, frame) = m->numframes - 1;
+               PRVM_serveredictfloat(e, frame) = PRVM_serveredictfloat(e, frame) + 1;
+               if (PRVM_serveredictfloat(e, frame) >= m->numframes)
+                       PRVM_serveredictfloat(e, frame) = m->numframes - 1;
 
-       PrintFrameName (m, (int)PRVM_serveredictfloat(e, frame));
+               PrintFrameName (m, (int)PRVM_serveredictfloat(e, frame));
+       }
 }
 
 /*
@@ -2272,17 +2274,17 @@ void Host_Viewprev_f (void)
 
        SV_VM_Begin();
        e = FindViewthing ();
-       SV_VM_End();
-       if (!e)
-               return;
-
-       m = cl.model_precache[(int)PRVM_serveredictfloat(e, modelindex)];
+       if (e)
+       {
+               m = cl.model_precache[(int)PRVM_serveredictfloat(e, modelindex)];
 
-       PRVM_serveredictfloat(e, frame) = PRVM_serveredictfloat(e, frame) - 1;
-       if (PRVM_serveredictfloat(e, frame) < 0)
-               PRVM_serveredictfloat(e, frame) = 0;
+               PRVM_serveredictfloat(e, frame) = PRVM_serveredictfloat(e, frame) - 1;
+               if (PRVM_serveredictfloat(e, frame) < 0)
+                       PRVM_serveredictfloat(e, frame) = 0;
 
-       PrintFrameName (m, (int)PRVM_serveredictfloat(e, frame));
+               PrintFrameName (m, (int)PRVM_serveredictfloat(e, frame));
+       }
+       SV_VM_End();
 }
 
 /*