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|
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
--
-- file: weapondefs.lua
-- brief: weapondef parser
-- author: Dave Rodgers
--
-- Copyright (C) 2007.
-- Licensed under the terms of the GNU GPL, v2 or later.
--
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
local weaponDefs = {}
local shared = {} -- shared amongst the lua weapondef enviroments
local preProcFile = 'gamedata/weapondefs_pre.lua'
local postProcFile = 'gamedata/weapondefs_post.lua'
local TDF = TDFparser or VFS.Include('gamedata/parse_tdf.lua')
local system = VFS.Include('gamedata/system.lua')
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
--
-- Run a pre-processing script if one exists
--
if (VFS.FileExists(preProcFile)) then
Shared = shared -- make it global
WeaponDefs = weaponDefs -- make it global
VFS.Include(preProcFile)
WeaponDefs = nil
Shared = nil
end
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
--
-- Load the TDF weapondef files
--
local tdfFiles = VFS.DirList('weapons/', '*.tdf')
for _, filename in ipairs(tdfFiles) do
local wds, err = TDF.Parse(filename)
if (wds == nil) then
Spring.Echo('Error parsing ' .. filename .. ': ' .. err)
else
for name, wd in pairs(wds) do
wd.filename = filename
weaponDefs[name] = wd
end
end
end
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
--
-- Load the raw LUA format weapondef files
-- (these will override the TDF versions)
--
local luaFiles = VFS.DirList('weapons/', '*.lua')
for _, filename in ipairs(luaFiles) do
local wdEnv = {}
wdEnv._G = wdEnv
wdEnv.Shared = shared
wdEnv.GetFilename = function() return filename end
setmetatable(wdEnv, { __index = system })
local success, wds = pcall(VFS.Include, filename, wdEnv)
if (not success) then
Spring.Echo('Error parsing ' .. filename .. ': ' .. wds)
elseif (wds == nil) then
Spring.Echo('Missing return table from: ' .. filename)
else
for wdName, wd in pairs(wds) do
if ((type(wdName) == 'string') and (type(wd) == 'table')) then
wd.filename = filename
weaponDefs[wdName] = wd
end
end
end
end
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
--
-- Run a post-processing script if one exists
--
if (VFS.FileExists(postProcFile)) then
Shared = shared -- make it global
WeaponDefs = weaponDefs -- make it global
VFS.Include(postProcFile)
WeaponDefs = nil
Shared = nil
end
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
--
-- Basic checks to remove invalid weapons
--
for name, def in pairs(weaponDefs) do
local model = def.model
if ((type(model) == 'string') and (#model > 0)) then
local modelFile = 'objects3d/' .. model
if ((not VFS.FileExists(modelFile)) and
(not VFS.FileExists(modelFile .. '.3do')) and
(not VFS.FileExists(modelFile .. '.s3o'))) then
weaponDefs[name] = nil
Spring.Echo('WARNING: removed ' .. name .. ' weaponDef, missing model')
end
end
end
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
return weaponDefs
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
|
