From 0927f9297c06525a453b4aad44fa4c2916c75906 Mon Sep 17 00:00:00 2001
From: ubq323 <ubq323@ubq323.website>
Date: Wed, 15 Mar 2023 01:00:48 +0000
Subject: refactor game.lua somewhat, use state machinish thing for connecting,
 instead of `if local_player` guards everywhere

---
 client/game.lua | 128 +++++++++++++++++++++++++++++++-------------------------
 1 file changed, 70 insertions(+), 58 deletions(-)

diff --git a/client/game.lua b/client/game.lua
index 3445bd7..fd4ade9 100644
--- a/client/game.lua
+++ b/client/game.lua
@@ -163,54 +163,8 @@ function SCENE.wheelmoved(dx,dy)
 	camera.zoom = math.max(2.5,math.min(50,camera.zoom))
 end
 
-function SCENE.update(dt)
-	msgbox.update(dt)
-	if ui_mode == "normal" then
-		
-		-- movement and zoom in/out (keyboard input)
-		if local_player then
-			update_local_player(local_player,dt)
-			sync_local_player(local_player)
-		end
-
-		-- mouse input
-		local msx,msy = love.mouse.getPosition()
-		local mh = camera:screen_to_world(Pos:make(msx,msy)):to_hex():round()
-		if map:at(mh) == 0 and love.mouse.isDown(1) then
-			map:set_at(mh,selected_tile)
-			send_settile(mh,selected_tile)
-		elseif map:at(mh) ~= 0 and love.mouse.isDown(2) then
-			map:set_at(mh,0)
-			send_settile(mh,0)
-		end
-	end
-
-	-- load and unload chunks
-	if local_player then
-		local player_cp = local_player.pos:to_hex():containing_chunk()
-		-- load chunks near to player (within 3x3 square)
-		for _,cp in ipairs(player_cp:neighborhood()) do
-			if map:chunk(cp) == nil then
-				map:mark_chunk_loading(cp)
-				peer:send(json.encode{t="reqchunk",u=cp.u,v=cp.v})
-			end
-		end
-
-		-- unload chunks not near player
-		-- todo maybe: instead of immediately unloading chunks when we move away,
-		-- have some kind of 'last near' time, so that if player is moving back and forth,
-		-- we don't repeatedly unload and reload a given chunk
-		local to_remove = {}
-		for cp in map:iter_chunks() do
-			local d = player_cp:orth_dist(cp)
-			if d > 1 then
-				map:remove_chunk(cp)
-			end
-		end
-	
-	end
-	
 
+local function handle_net()
 	-- handle network packets
 	repeat
 		local ev = host:service()
@@ -249,21 +203,61 @@ function SCENE.update(dt)
 	until not ev
 end
 
-function SCENE.draw()
+local function update(dt)
+	msgbox.update(dt)
+	if ui_mode == "normal" then
+		-- movement
+		update_local_player(local_player,dt)
+		sync_local_player(local_player)
+
+		-- mouse input (place/mine)
+		local msx,msy = love.mouse.getPosition()
+		local mh = camera:screen_to_world(Pos:make(msx,msy)):to_hex():round()
+		if map:at(mh) == 0 and love.mouse.isDown(1) then
+			map:set_at(mh,selected_tile)
+			send_settile(mh,selected_tile)
+		elseif map:at(mh) ~= 0 and love.mouse.isDown(2) then
+			map:set_at(mh,0)
+			send_settile(mh,0)
+		end
+	end
+
+	-- load and unload chunks
+	local player_cp = local_player.pos:to_hex():containing_chunk()
+	-- load chunks near to player (within 3x3 square)
+	for _,cp in ipairs(player_cp:neighborhood()) do
+		if map:chunk(cp) == nil then
+			map:mark_chunk_loading(cp)
+			peer:send(json.encode{t="reqchunk",u=cp.u,v=cp.v})
+		end
+	end
+	-- unload chunks not near player
+		-- todo maybe: instead of immediately unloading chunks when we move away,
+		-- have some kind of 'last near' time, so that if player is moving back and forth,
+		-- we don't repeatedly unload and reload a given chunk
+	local to_remove = {}
+	for cp in map:iter_chunks() do
+		local d = player_cp:orth_dist(cp)
+		if d > 1 then
+			map:remove_chunk(cp)
+		end
+	end
+	
+
+	handle_net()
+end
+
+local function draw()
 	love.graphics.clear(1,1,1)
 	love.graphics.origin()
-	if local_player then
-		camera.pos = local_player.pos
-	end
+	
+	camera.pos = local_player.pos
 	camera:apply_trans()
 
 	-- drawing.draw_map(camera,map)
 	drawing2.draw_map(camera,map)
 
-
-	if local_player then
-		draw_player(local_player,true)
-	end
+	draw_player(local_player,true)
 	for _,pl in pairs(remote_players) do
 		draw_player(pl)
 	end
@@ -335,8 +329,28 @@ function SCENE.draw()
 		 love.graphics.setColor(0.8,0.8,0.8)
 		 love.graphics.line(tw,y,tw,y+th)
 	 end
+end
 
-
+local connected = false
+function SCENE.update(dt)
+	if connected then
+		return update(dt)
+	else
+		handle_net()
+		if peer:state() == "connected" and local_player then
+			connected = true
+			msgbox.add("connected to "..SERVER_HOSTNAME..":8473")
+			msgbox.add("press F1 for controls help")
+		end
+	end
+end
+function SCENE.draw()
+	if connected then
+		return draw()
+	else
+		love.graphics.clear(1,1,1)
+		love.graphics.print("connecting...",10,10)
+	end
 end
 
 function SCENE.load()
@@ -344,8 +358,6 @@ function SCENE.load()
 	-- require"profile".start(10,io.open("./trace","w"))
 	host = enet.host_create()
 	peer = host:connect(SERVER_HOSTNAME..":8473",2)
-	msgbox.add("connected to "..SERVER_HOSTNAME..":8473")
-	msgbox.add("press F1 for controls help")
 end
 
 function SCENE.quit()
-- 
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