initial

resources/[managers]/mapmanager/mapmanager_client.lua

@@ -0,0 +1,200 @@
+maps = {}
+gametypes = {}
+
+AddEventHandler('getResourceInitFuncs', function(isPreParse, add)
+    if not isPreParse then
+        add('map', function(file)
+            addMap(file, GetInvokingResource())
+        end)
+
+        add('resource_type', function(type)
+            return function(params)
+                local resourceName = GetInvokingResource()
+
+                if type == 'map' then
+                    maps[resourceName] = params
+                elseif type == 'gametype' then
+                    gametypes[resourceName] = params
+                end
+            end
+        end)
+    end
+end)
+
+mapFiles = {}
+
+function addMap(file, owningResource)
+    if not mapFiles[owningResource] then
+        mapFiles[owningResource] = {}
+    end
+
+    table.insert(mapFiles[owningResource], file)
+end
+
+AddEventHandler('onClientResourceStart', function(res)
+    -- parse metadata for this resource
+
+    -- map files
+    local num = GetNumResourceMetadata(res, 'map')
+
+    if num then
+        for i = 0, num-1 do
+            local file = GetResourceMetadata(res, 'map', i)
+
+            if file then
+                addMap(file, res)
+            end
+        end
+    end
+
+    -- resource type data
+    local type = GetResourceMetadata(res, 'resource_type', 0)
+
+    if type then
+        Citizen.Trace("type " .. res .. " " .. type .. "\n")
+
+        local extraData = GetResourceMetadata(res, 'resource_type_extra', 0)
+
+        if extraData then
+            extraData = json.decode(extraData)
+        else
+            extraData = {}
+        end
+
+        if type == 'map' then
+            maps[res] = extraData
+        elseif type == 'gametype' then
+            gametypes[res] = extraData
+        end
+    end
+
+    -- handle starting
+    if mapFiles[res] then
+        for _, file in ipairs(mapFiles[res]) do
+            parseMap(file, res)
+        end
+    end
+
+    -- defer this to the next game tick to work around a lack of dependencies
+    Citizen.CreateThread(function()
+        Citizen.Wait(15)
+
+        if maps[res] then
+            TriggerEvent('onClientMapStart', res)
+        elseif gametypes[res] then
+            TriggerEvent('onClientGameTypeStart', res)
+        end
+    end)
+end)
+
+AddEventHandler('onClientResourceStop', function(res)
+    if maps[res] then
+        TriggerEvent('onClientMapStop', res)
+    elseif gametypes[res] then
+        TriggerEvent('onClientGameTypeStop', res)
+    end
+
+    if undoCallbacks[res] then
+        for _, cb in ipairs(undoCallbacks[res]) do
+            cb()
+        end
+
+        undoCallbacks[res] = nil
+        mapFiles[res] = nil
+    end
+end)
+
+undoCallbacks = {}
+
+function parseMap(file, owningResource)
+    if not undoCallbacks[owningResource] then
+        undoCallbacks[owningResource] = {}
+    end
+
+    local env = {
+        math = math, pairs = pairs, ipairs = ipairs, next = next, tonumber = tonumber, tostring = tostring,
+        type = type, table = table, string = string, _G = env
+    }
+
+    TriggerEvent('getMapDirectives', function(key, cb, undocb)
+        env[key] = function(...)
+            local state = {}
+
+            state.add = function(k, v)
+                state[k] = v
+            end
+
+            local result = cb(state, ...)
+            local args = table.pack(...)
+
+            table.insert(undoCallbacks[owningResource], function()
+                undocb(state)
+            end)
+
+            return result
+        end
+    end)
+
+    local mt = {
+        __index = function(t, k)
+            if rawget(t, k) ~= nil then return rawget(t, k) end
+
+            -- as we're not going to return nothing here (to allow unknown directives to be ignored)
+            local f = function()
+                return f
+            end
+
+            return function() return f end
+        end
+    }
+
+    setmetatable(env, mt)
+    
+    local fileData = LoadResourceFile(owningResource, file)
+    local mapFunction, err = load(fileData, file, 't', env)
+
+    if not mapFunction then
+        Citizen.Trace("Couldn't load map " .. file .. ": " .. err .. " (type of fileData: " .. type(fileData) .. ")\n")
+        return
+    end
+
+    mapFunction()
+end
+
+AddEventHandler('getMapDirectives', function(add)
+    add('vehicle_generator', function(state, name)
+        return function(opts)
+            local x, y, z, heading
+            local color1, color2
+
+            if opts.x then
+                x = opts.x
+                y = opts.y
+                z = opts.z
+            else
+                x = opts[1]
+                y = opts[2]
+                z = opts[3]
+            end
+
+            heading = opts.heading or 1.0
+            color1 = opts.color1 or -1
+            color2 = opts.color2 or -1
+
+            local hash = GetHashKey(name)
+            RequestModel(hash)
+
+            LoadAllObjectsNow()
+
+            local carGen = CreateScriptVehicleGenerator(x, y, z, heading, 5.0, 3.0, hash, color1, color2, -1, -1, true, false, false, true, true, -1)
+            SetScriptVehicleGenerator(carGen, true)
+            SetAllVehicleGeneratorsActive(true)
+
+            state.add('cargen', carGen)
+        end
+    end, function(state, arg)
+        Citizen.Trace("deleting car gen " .. tostring(state.cargen) .. "\n")
+
+        DeleteScriptVehicleGenerator(state.cargen)
+    end)
+end)