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|
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
--
-- file: featuredefs.lua
-- brief: featuredef parser
-- author: Dave Rodgers
--
-- Copyright (C) 2007.
-- Licensed under the terms of the GNU GPL, v2 or later.
--
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
local featureDefs = {}
local shared = {} -- shared amongst the lua featuredef enviroments
local preProcFile = 'gamedata/featuredefs_pre.lua'
local postProcFile = 'gamedata/featuredefs_post.lua'
local TDF = TDFparser or VFS.Include('gamedata/parse_tdf.lua')
local system = VFS.Include('gamedata/system.lua')
VFS.Include('gamedata/VFSUtils.lua')
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
--
-- Run a pre-processing script if one exists
--
if (VFS.FileExists(preProcFile)) then
Shared = shared -- make it global
FeatureDefs = featureDefs -- make it global
VFS.Include(preProcFile)
FeatureDefs = nil
Shared = nil
end
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
--
-- Load the TDF featuredef files
--
local tdfFiles = RecursiveFileSearch('features/', '*.tdf')
for _, filename in ipairs(tdfFiles) do
local fds, err = TDF.Parse(filename)
if (fds == nil) then
Spring.Echo('Error parsing ' .. filename .. ': ' .. err)
else
for name, fd in pairs(fds) do
fd.filename = filename
featureDefs[name] = fd
end
end
end
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
--
-- Load the raw LUA format featuredef files
-- (these will override the TDF versions)
--
local luaFiles = RecursiveFileSearch('features/', '*.lua')
for _, filename in ipairs(luaFiles) do
local fdEnv = {}
fdEnv._G = fdEnv
fdEnv.Shared = shared
fdEnv.GetFilename = function() return filename end
setmetatable(fdEnv, { __index = system })
local success, fds = pcall(VFS.Include, filename, fdEnv)
if (not success) then
Spring.Echo('Error parsing ' .. filename .. ': ' .. fds)
elseif (fds == nil) then
Spring.Echo('Missing return table from: ' .. filename)
else
for fdName, fd in pairs(fds) do
if ((type(fdName) == 'string') and (type(fd) == 'table')) then
fd.filename = filename
featureDefs[fdName] = fd
end
end
end
end
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
--
-- Run a post-processing script if one exists
--
if (VFS.FileExists(postProcFile)) then
Shared = shared -- make it global
FeatureDefs = featureDefs -- make it global
VFS.Include(postProcFile)
FeatureDefs = nil
Shared = nil
end
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
return featureDefs
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
|
