diff options
Diffstat (limited to 'client/game.lua')
| -rw-r--r-- | client/game.lua | 357 |
1 files changed, 357 insertions, 0 deletions
diff --git a/client/game.lua b/client/game.lua new file mode 100644 index 0000000..3445bd7 --- /dev/null +++ b/client/game.lua @@ -0,0 +1,357 @@ +local enet = require"enet" +local json = require"common.dkjson" +local utf8 = require"utf8" + + +local SERVER_HOSTNAME = "ubq323.website" +if os.getenv"HEXEMU_LOCAL" then SERVER_HOSTNAME = "localhost" end + +local PLAYER_SIZE = require"common.constants".PLAYER_SIZE +local local_player = nil + +local drawing = require"drawing" +local coords = require"common.coords" +local Pos = coords.Pos +local camera = require"camera".Camera:make() +local ChunkC = require"chunk".ChunkC +local util = require"util" +local Map = require"common.map".Map +local movement = require"movement" +local msgbox = require"msgbox" +local drawing2 = require"drawing2" + +-- local pprint=require"common.pprint" +-- pprint.setup{show_all=true} + +local SCENE = {} + +local help_text = [[ +controls: +wasd: move +shift: sprint + +left mouse: place +right mouse: destroy +mousewheel: zoom in/out + +F1: show/hide this help +F3: show/hide debug + +enter: toggle chat]] + + + + +math.randomseed(os.time()) + +local map = Map:make() + +local host,peer + + +local selected_tile = 9 + +-- normal: regular gameplay +-- chat: chat box is open +-- more modes may come +local ui_mode = "normal" + +_G.debugmode = false + +local show_controls = false + +local this_chatmsg = "" +local chatmsg_text = love.graphics.newText(love.graphics.getFont()) + + +function SCENE.keypressed(key,scancode,isrepeat) + if ui_mode == "normal" then + if key == "f3" then _G.debugmode = not _G.debugmode end + if key == "f1" then show_controls = not show_controls end + for i = 1,9 do if key == tostring(i) then selected_tile = i end end + if key == "return" then + ui_mode = "chat" + this_chatmsg = "" + end + elseif ui_mode == "chat" then + if key == "return" then + ui_mode = "normal" + if this_chatmsg:sub(1,3) == "/tp" then + local x,y = this_chatmsg:match("/tp (%S+) (%S+)") + if x then + x,y = tonumber(x),tonumber(y) + local_player.pos.x=x + local_player.pos.y=y + local_player.pos_dirty=true + end + else + peer:send(json.encode{t="chat",msg=this_chatmsg}) + end + -- msgbox.add("[me] "..this_chatmsg) + elseif key == "escape" then + ui_mode = "normal" + elseif key == "backspace" then + local boffs = utf8.offset(this_chatmsg,-1) + if boffs then + this_chatmsg = this_chatmsg:sub(1,boffs-1) + end + + end + end +end + +function SCENE.textinput(text) + if ui_mode == "chat" then + this_chatmsg = this_chatmsg..text + end +end + +local function draw_player(pl,islocal) + love.graphics.setColor(pl.color) + love.graphics.circle("fill",pl.pos.x,pl.pos.y, PLAYER_SIZE) + + if islocal then + love.graphics.setLineWidth(0.01) + love.graphics.setColor(0.5,0,0) + love.graphics.circle("line",pl.pos.x,pl.pos.y,PLAYER_SIZE) + end +end + +local remote_players = {} + +local function update_local_player(pl,dt) + local SPEED = 8*math.sqrt(3) -- 8 hexagonheights per second + + if love.keyboard.isDown("lshift") then SPEED = SPEED*2 end + local function kd(code) + if love.keyboard.isScancodeDown(code) then return 1 else return 0 end + end + local dx = kd"d"-kd"a" + local dy = kd"s"-kd"w" + + if dx == 0 and dy == 0 then + return + end + + if dx ~= 0 and dy ~= 0 then + -- 60degrees direction, to follow hex grid + -- instead of 45degrees diagonal + dx = dx * 0.5 + dy = dy * (math.sqrt(3)/2) + end + + local try_pos = Pos:make(pl.pos.x + SPEED*dt*dx, pl.pos.y + SPEED*dt*dy) + pl.pos = movement.collide_with_terrain(pl.pos,try_pos,map) + -- pl.pos = try_pos + pl.pos_dirty = true +end + +local function sync_local_player(pl) + -- send updated info about local player to server + if pl.pos_dirty then + peer:send(json.encode{t="ppos",x=pl.pos.x,y=pl.pos.y},1) + pl.pos_dirty = false + end +end + +local function send_settile(hpos,tile) + peer:send(json.encode{t="settile",q=hpos.q,r=hpos.r,tile=tile}) +end + +function SCENE.wheelmoved(dx,dy) + camera.zoom = camera.zoom * (1.15 ^ 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 + + + -- handle network packets + repeat + local ev = host:service() + if ev and ev.type == "receive" then + -- print(ev.data) + local j = json.decode(ev.data) + local op = j.t + -- if op ~= "chunk" then print(ev.channel,ev.data) end + if op == "join" then + local pl = j.pl + remote_players[pl.id] = {pos=coords.Pos:make(pl.x,pl.y),color=pl.color,id=pl.id} + msgbox.add(pl.id.." joined") + elseif op == "leave" then + local id = j.id + remote_players[id]=nil + msgbox.add(id.." left") + elseif op == "move" then + local id,x,y = j.id,j.x,j.y + assert(remote_players[id],"wheeze "..id) + remote_players[id].pos.x = x + remote_players[id].pos.y = y + elseif op == "you" then + local pl = j.pl + local_player = {pos=coords.Pos:make(pl.x,pl.y),color=pl.color,id=pl.id} + elseif op == "chunk" then + local ch = ChunkC:from_packet_data(j) + map:add_chunk(ch) + elseif op == "settile" then + local h = coords.Hex:make(j.q,j.r) + map:set_at(h,j.tile) + elseif op == "chat" then + local msg,from = j.msg,j.from + msgbox.add("["..tostring(from).."] "..msg) + end + end + until not ev +end + +function SCENE.draw() + love.graphics.clear(1,1,1) + love.graphics.origin() + if local_player then + camera.pos = local_player.pos + end + camera:apply_trans() + + -- drawing.draw_map(camera,map) + drawing2.draw_map(camera,map) + + + if local_player then + draw_player(local_player,true) + end + for _,pl in pairs(remote_players) do + draw_player(pl) + end + + love.graphics.setColor(1,0,0) + love.graphics.rectangle("fill",0,0,1,1) + + local sm = Pos:make(love.mouse.getPosition()) + local wm = camera:screen_to_world(sm) + local hm = wm:to_hex() + + -- draw reticle + local hmr = hm:round() + local mouse_tile = map:at(hmr) + if mouse_tile then + local col = {0.5,0.5,0.5} + if mouse_tile == 0 then col = {0,0,0} end + local c = hmr:to_pos() + local verts = {} + for i=0,5 do + local angle = math.pi*2*(i+0.5)/6 + table.insert(verts, c.x+math.cos(angle)) + table.insert(verts, c.y+math.sin(angle)) + end + love.graphics.setColor(col) + love.graphics.setLineWidth(0.05) + love.graphics.polygon("line",verts) + end + + + + love.graphics.origin() + util.print_good(tostring(selected_tile), "center",10) + if _G.debugmode and local_player then + util.print_good(table.concat({ + "ms "..tostring(sm), + "mw "..tostring(wm), + "mh "..tostring(hm).." "..tostring(hm:round()), + "", + "pw "..tostring(local_player.pos), + "ph "..tostring(local_player.pos:to_hex()).." "..tostring(local_player.pos:to_hex():round()), + "", + "voob "..tostring(camera.zoom), + "", + "fps "..tostring(love.timer.getFPS()), + "ping "..tostring(peer:round_trip_time()), + + },"\n"),10,10) + end + if show_controls then + util.print_good(help_text,"center","center") + end + + msgbox.draw() + + if ui_mode ~= "normal" then + util.print_good(ui_mode, -20,10) + end + + if ui_mode == "chat" then + local W,H = love.graphics.getDimensions() + chatmsg_text:set("- "..this_chatmsg) + local tw,th = chatmsg_text:getDimensions() + local y = H-th-30 + love.graphics.setColor(0,0,0,0.8) + love.graphics.rectangle("fill",0,y,W,th) + love.graphics.setColor(1,1,1) + love.graphics.draw(chatmsg_text,0,y) + love.graphics.setColor(0.8,0.8,0.8) + love.graphics.line(tw,y,tw,y+th) + end + + +end + +function SCENE.load() + love.keyboard.setKeyRepeat(true) + -- 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() + -- require"profile".stop() + peer:disconnect() + host:flush() +end + +return SCENE |