2 files changed, 203 insertions, 2 deletions

diff --git a/cwd/assets/altcraft/scripts/init.lua b/cwd/assets/altcraft/scripts/init.lua
index 96b5ec3..790bab0 100644
--- a/cwd/assets/altcraft/scripts/init.lua
+++ b/cwd/assets/altcraft/scripts/init.lua
@@ -9,18 +9,48 @@ local plugin = {
 }
 
 function plugin.onLoad ()
-	print("Loaded AltCraft plugin!")
+	rmlui:LoadFontFace("altcraft/fonts/OpenSans-Regular")
+	local con = rmlui.contexts["default"]
+	local uiMainMenu = con:LoadDocument("altcraft/ui/main-menu")
+	con:LoadDocument("altcraft/ui/hud")
+	con:LoadDocument("altcraft/ui/pause")
+	con:LoadDocument("altcraft/ui/options")
+
+	uiMainMenu:Show()
+	AC.Settings.Load()
+	uiMainMenu:GetElementById("username"):SetAttribute("value", AC.Settings.Read("username","Username"..tostring(math.random(10000))))
+	uiMainMenu:GetElementById("hostname"):SetAttribute("value",AC.Settings.Read("hostname","127.0.0.1"))
 end
 
 function plugin.onChangeState (newState)
-	AC.LogWarning("New state: "..newState)
+	local toHide = {}
+	local toShow = {}
+
+	for i,doc in ipairs(rmlui.contexts["default"].documents) do
+		if doc.title == newState then
+			toShow[#toShow+1]=doc
+		else
+			toHide[#toHide+1]=doc
+		end
+    end
+
+	for i,doc in ipairs(toHide) do
+		doc:Hide()
+	end
+
+	for i,doc in ipairs(toShow) do
+		doc:Show()
+	end
 end
 
 function plugin.onUnload ()
 	AC.LogInfo("AC Core unloaded")
 end
 
+require("altcraft/ui")
+
 function plugin.onTick (deltaTime)
+	UpdateUi()
 	if AC.GetGameState() and AC.GetGameState():GetPlayer() and AC.GetGameState():GetTimeStatus().worldAge > 0 then
 		-- local player = AC.GetGameState():GetPlayer()
 		-- player.pos.x = player.pos.x + deltaTime * 0.5
diff --git a/cwd/assets/altcraft/scripts/ui.lua b/cwd/assets/altcraft/scripts/ui.lua
new file mode 100644
index 0000000..392ad27
--- /dev/null
+++ b/cwd/assets/altcraft/scripts/ui.lua
@@ -0,0 +1,171 @@
+local options = {
+	brightness = 0.2,
+	flight = false,
+	mouseSensetivity = 0.1,
+	renderDistance = 2,
+	resolutionScale = 1.0,
+	targetFps = 60,
+	vsync = false,
+	wireframe = false
+}
+
+function OpenOptions(doc)
+    optionsReturnDocument = doc
+    local optionsDoc = {}
+    for i,d in ipairs(rmlui.contexts["default"].documents) do
+        if d.title == "Options" then
+			optionsDoc = d
+		end
+    end
+    doc:Hide()
+    optionsDoc:Show()
+	optionsDoc.style["background-color"] = doc.style["background-color"]
+end
+
+function CloseOptions(doc)
+	for i, v in pairs(options) do
+		local input = doc:GetElementById(i)
+		if type(v) == "number" then
+			local val = input:GetAttribute("value")
+			if i == "targetFps" and val == 301 then
+				AC.Settings.WriteDouble(i, 10000)
+			else
+				AC.Settings.WriteDouble(i, tonumber(val))
+			end
+		elseif type(v) == "boolean" then
+			local val = input:HasAttribute("checked")
+			AC.Settings.WriteBool(i, val)
+		end
+	end
+	AC.Settings.Save()
+	AC.SettingsUpdate()
+
+    optionsReturnDocument:Show()
+    doc:Hide()
+end
+
+function ConnectToServer(doc)
+	AC.Settings.Write('hostname',doc:GetElementById('hostname'):GetAttribute('value'))
+    AC.Settings.Write('username',doc:GetElementById('username'):GetAttribute('value'))
+    AC.Settings.Save()
+    AC.ConnectToServer(
+		doc:GetElementById('hostname'):GetAttribute('value'),
+		doc:GetElementById('username'):GetAttribute('value'))
+end
+
+function OptionsDefaultHandler(event)
+	local input = event.current_element.previous_sibling
+	local id = input:GetAttribute("id")
+	if input:GetAttribute("type") == "checkbox" then
+		if options[id] then
+			input:SetAttribute("checked", "")
+		else
+			input:RemoveAttribute("checked")
+		end
+	else
+		input:SetAttribute("value", options[id])
+	end
+end
+
+local lastFps = {}
+
+local function UpdateFps(newFps)
+	lastFps[#lastFps + 1] = newFps
+	if #lastFps >= 100 then
+		table.remove(lastFps, 1)
+	end
+	local smoothFps = 0
+	for i,v in ipairs(lastFps) do
+		smoothFps = smoothFps + v
+	end
+	smoothFps = smoothFps / #lastFps
+	return smoothFps
+end
+
+function UpdateUi()
+	local doc = {}
+	local uiDoc = {}
+	for i,d in ipairs(rmlui.contexts["default"].documents) do
+		if d.title == "Playing" then
+			doc = d
+		elseif d.title == "Options" then
+			uiDoc = d
+		end
+    end
+
+	if AC.GetGameState() and AC.GetGameState():GetPlayer() and AC.GetGameState():GetTimeStatus().worldAge > 0 then
+		local time = AC.GetTime()
+		local rawFps = 1.0 / time:GetRealDeltaS()
+		local smoothFps = UpdateFps(rawFps)
+		doc:GetElementById('dbg-fps').inner_rml = string.format("%.1f", smoothFps)
+
+		local playerEnt = AC.GetGameState():GetPlayer()				
+		doc:GetElementById('dbg-pos').inner_rml = string.format("%.1f %.1f %.1f", playerEnt.pos.x, playerEnt.pos.y, playerEnt.pos.z)
+
+		local wrld = AC.GetGameState():GetWorld()
+		local selection = AC.GetGameState():GetSelectionStatus()
+		if selection.isBlockSelected then
+			bid = wrld:GetBlockId(selection.selectedBlock)
+			doc:GetElementById('dbg-select-pos').inner_rml = tostring(selection.selectedBlock)
+			doc:GetElementById('dbg-select-bid').inner_rml = string.format("%d:%d", bid.id, bid.state)
+		else
+			doc:GetElementById('dbg-select-pos').inner_rml = ""
+			doc:GetElementById('dbg-select-bid').inner_rml = ""
+		end
+
+		local player = AC.GetGameState():GetPlayerStatus()
+		local playerHp = string.format("%.0f", player.health)
+		doc:GetElementById('status-hp').inner_rml = playerHp
+		doc:GetElementById('status-hp-bar'):SetAttribute("value", playerHp)
+	end
+
+
+	local uiInit = optionsListenersAdded == nil
+	if uiInit then
+	AC.Settings.Load()
+	end
+
+	for i,v in pairs(options) do
+		local input = uiDoc:GetElementById(i)
+		local span = input.next_sibling
+
+		if uiInit then
+			span:AddEventListener("click", OptionsDefaultHandler, true)
+
+			if type(v) == "number" then
+				local val = AC.Settings.ReadDouble(i, v)
+				input:SetAttribute("value", tostring(val))
+			elseif type(v) == "boolean" then
+				local val = AC.Settings.ReadBool(i, v)
+				if val then
+					input:SetAttribute("checked", "")
+				else
+					input:RemoveAttribute("checked")
+				end
+			end
+		end
+
+		if type(v) == "number" then
+			local val = input:GetAttribute("value")
+			if v == math.floor(v) and i ~= "resolutionScale" then
+				span.inner_rml = string.format("%d (%d)", math.floor(val), v)
+				if i == "targetFps" and val == 301 then
+					span.inner_rml = string.format("∞ (%d)",  v)
+				end
+			else
+				span.inner_rml = string.format("%.2f (%.2f)", val, v)
+			end
+		elseif type(v) == "boolean" then
+			if v then
+				span.inner_rml = "(on)"
+			else
+				span.inner_rml = "(off)"
+			end
+		end
+	end
+
+	if uiInit == true then
+		optionsListenersAdded = true
+		AC.SettingsUpdate()
+	end
+end