More documentation and some minor changes for drag code

[xonotic/xonotic-data.pk3dir.git] / qcsrc / server / mutators / sandbox.qc

diff --git a/qcsrc/server/mutators/sandbox.qc b/qcsrc/server/mutators/sandbox.qc
index 685425102672b1597bff062b5ccb826a6ab74a82..28017401af9033b3bf5d24f813f7870699d041de 100644 (file)
--- a/qcsrc/server/mutators/sandbox.qc
+++ b/qcsrc/server/mutators/sandbox.qc
@@ -86,7 +86,7 @@ MUTATOR_HOOKFUNCTION(sandbox_PlayerCommand)
                {
                        makevectors(self.v_angle);
                        WarpZone_TraceLine(self.origin + self.view_ofs, self.origin + self.view_ofs + v_forward * autocvar_g_sandbox_editor_distance_edit, MOVE_NORMAL, self);
-                       if(trace_ent.classname == "object")
+                       if(trace_ent.classname == "object" && trace_ent.realowner == self)
                        {
                                if(autocvar_g_sandbox_info)
                                        print(strcat(self.netname, " removed an object at origin ", vtos(trace_ent.origin), "\n"));
@@ -107,13 +107,21 @@ MUTATOR_HOOKFUNCTION(sandbox_PlayerPreThink)
        // if the player is close enough to their own object and facing it, they can grab it
 
        if(autocvar_sv_cheats)
-               return FALSE; // cheats already allow dragging all objects
+               return FALSE; // cheat dragging is used instead
 
+       float grab;
        crosshair_trace_plusvisibletriggers(self);
-       if(trace_ent.classname == "object")
-               if(Drag(trace_ent, autocvar_g_sandbox_editor_distance_edit)) // execute the dragging
-                       if(autocvar_g_sandbox_info)
-                               print(strcat(self.netname, " grabbed an object at origin ", vtos(trace_ent.origin), "\n"));
+
+       // grab is TRUE if the object can be picked up. While an object is being carried, the Drag() function
+       // must execute for it either way, otherwise it would cause bugs if it went out of the player's trace.
+       // This also makes sure that an object can only pe picked up if in range, but does not get dropped if it goes
+       // out of range while slinging it around.
+
+       if(trace_ent.classname == "object" && trace_ent.realowner == self && vlen(trace_ent.origin - self.origin) <= autocvar_g_sandbox_editor_distance_edit)
+               grab = TRUE; // object can be picked up
+       if(Drag(trace_ent, grab)) // execute dragging
+               if(autocvar_g_sandbox_info)
+                       print(strcat(self.netname, " grabbed an object at origin ", vtos(trace_ent.origin), "\n"));
 
        return FALSE;
 }