Lunatic: properly protect weapondata_t members, fix Lua->CON line mapping.

Also, make -Werror-bad-getactorvar disabled by default.

git-svn-id: https://svn.eduke32.com/eduke32@3574 1a8010ca-5511-0410-912e-c29ae57300e0

polymer/eduke32/source/lunatic/con_lang.lua

@@ -314,24 +314,24 @@ labels =
 wdata_members =
 {
     -- NOTE: they are lowercased for Lunatic
-    "int32_t workslike",
+    "const int32_t _workslike",
     "int32_t clip",
     "int32_t reload",
     "int32_t firedelay",
     "int32_t totaltime",
     "int32_t holddelay",
     "int32_t flags",
-    "int32_t shoots",
+    "const int32_t _shoots",
     "int32_t spawntime",
-    "int32_t spawn",
+    "const int32_t _spawn",
     "int32_t shotsperburst",
-    "int32_t initialsound",
-    "int32_t firesound",
-    "int32_t sound2time",
-    "int32_t sound2sound",
-    "int32_t reloadsound1",
-    "int32_t reloadsound2",
-    "int32_t selectsound",
+    "const int32_t _initialsound",
+    "const int32_t _firesound",
+    "int32_t sound2time",  -- NOTE: this is a time number, not a sound
+    "const int32_t _sound2sound",
+    "const int32_t _reloadsound1",
+    "const int32_t _reloadsound2",
+    "const int32_t _selectsound",
     "int32_t flashcolor",
 }
 

polymer/eduke32/source/lunatic/defs.ilua

@@ -299,6 +299,9 @@ struct {
 }
 ]]
 
+-- KEEPINSYNC weapondata_mt below.
+local WEAPONDATA_STRUCT = "struct {"..table.concat(con_lang.wdata_members, ';').."; }"
+
 local randgen = require("randgen")
 local geom = require("geom")
 
@@ -735,6 +738,7 @@ end
 local actor_ptr_ct = ffi.typeof("$ *", ffi.typeof(strip_const(ACTOR_STRUCT)))
 local player_ptr_ct = ffi.typeof("$ *", ffi.typeof(strip_const(DUKEPLAYER_STRUCT)))
 local projectile_ptr_ct = ffi.typeof("$ *", ffi.typeof(strip_const(PROJECTILE_STRUCT)))
+local weapondata_ptr_ct = ffi.typeof("$ *", ffi.typeof(strip_const(WEAPONDATA_STRUCT)))
 local con_action_ct = ffi.typeof("con_action_t")
 local con_move_ct = ffi.typeof("con_move_t")
 local con_ai_ct = ffi.typeof("con_ai_t")
@@ -914,16 +918,25 @@ ffi.metatype("actor_t", actor_mt)
 local weapondata_mt = {
     __newindex = function(wd, member, val)
         if (string.match(member, "sound")) then
-            -- TODO: set to 0 if oob? (e.g. CrackDown)
-            check_sound_idx(val)
+            if (val < 0) then
+                val = 0  -- Set to 0 if oob (e.g. CrackDown).
+            else
+                check_sound_idx(val)
+            end
         elseif (member=="workslike") then
             check_weapon_idx(val)
-        elseif (member=="shoots" or member=="spawn") then
-            -- TODO: set to 0 if oob? (e.g. AMC TC)
-            check_tile_idx(val)
+        elseif (member=="spawn" or member=="shoots") then
+            if (val < 0) then
+                -- Set to 0 if oob (e.g. CrackDown). This is a bit problematic
+                -- for .shoots because it's used unconditionally except in one
+                -- case (see player.c).
+                val = 0
+            else
+                check_tile_idx(val)
+            end
         end
 
-        wd[member] = val
+        ffi.cast(weapondata_ptr_ct, wd)['_'..member] = val
     end,
 }
 ffi.metatype("weapondata_t", weapondata_mt)

polymer/eduke32/source/lunatic/lunacon.lua

@@ -98,7 +98,7 @@ local g_defaultDir = nil
 -- -Wno-bad-identifier for disabling the "bad identifier" warning.
 local g_warn = { ["not-redefined"]=true, ["bad-identifier"]=false,
                  ["number-conversion"]=true, ["system-gamevar"]=true,
-                 ["error-bad-getactorvar"]=true, }
+                 ["error-bad-getactorvar"]=false, }
 
 -- Code generation and output options.
 local g_cgopt = { ["no"]=false, ["debug-lineinfo"]=false, ["gendir"]=nil,
@@ -160,6 +160,8 @@ local function PLSX(s) return "player[_pli]"..s end
 local function getlinecol(pos) end -- fwd-decl
 
 local function new_initial_codetab()
+    -- NOTE: Keep this one line per line to not confuse the Lua->CON line
+    -- mapping system.
     return {
         "local _con, _bit, _math = require'con', require'bit', require'math';",
         "local _xmath, _geom = require'xmath', require'geom';",
@@ -175,10 +177,9 @@ local function new_initial_codetab()
 
         -- Static ivec3s so that no allocations need to be made.
         "local _IVEC = { _geom.ivec3(), _geom.ivec3() }",
-        [[local function _IV(num, x, y, z)
-              local v=_IVEC[num]; v.x=x; v.y=y; v.z=z; return v;
-          end
-        ]],
+        "local function _IV(num, x, y, z)",
+        "  local v=_IVEC[num]; v.x=x; v.y=y; v.z=z; return v;",
+        "end",
            }
 end
 
@@ -282,7 +283,8 @@ local function new_initial_gvartab()
 
     for w=0,MAX_WEAPONS-1 do
         for i=1,#wmembers do
-            local member = wmembers[i]:gsub(".* ","")  -- strip e.g. "int32_t "
+            local member = wmembers[i]:gsub(".*_t ","")  -- strip e.g. "const int32_t "
+                                      :gsub("^_","")  -- strip potentially leading underscore
             local name = format("WEAPON%d_%s", w, member:upper())
             gamevar[name] = PRW(format(PLSX".weapon[%d].%s", w, member))
 
@@ -1106,15 +1108,17 @@ function Cmd.gamevar(identifier, initval, flags)
                                bit.tohex(bit.band(ogv.rbits, initval)), identifier)
                 end
 
+                local linestr = "--"..getlinecol(g_lastkwpos)
+
                 -- Emit code to set the variable at Lua parse time.
                 if (bit.band(oflags, GVFLAG.PERPLAYER) ~= 0) then
                     -- Replace player index by 0.
                     -- TODO_MP: init for all players.
                     local pvar, numrepls = ogv.name:gsub("_pli", "0")
                     assert(numrepls>=1)
-                    addcodef("%s=%d", pvar, initval)
+                    addcodef("%s=%d%s", pvar, initval, linestr)
                 else
-                    addcodef("%s=%d", ogv.name, initval)
+                    addcodef("%s=%d%s", ogv.name, initval, linestr)
                 end
                 return
             end