Client initial commit.

client/game/game.go

@@ -0,0 +1,175 @@
+package game
+
+import (
+	"client/client"
+	"client/elements"
+	"client/fonts"
+	"client/gamedata"
+	"fmt"
+	"maps"
+	"strconv"
+	"strings"
+	"sync"
+	"time"
+
+	"github.com/hajimehoshi/ebiten/v2"
+	"github.com/hajimehoshi/ebiten/v2/text/v2"
+	"golang.org/x/exp/rand"
+)
+
+var (
+	screenWidth  = 640
+	screenHeight = 480
+
+	namelist = []string{"slappy", "mick", "rodney", "george", "ringo", "robin", "temitry "}
+)
+
+func init() {
+	rand.Seed(uint64(time.Now().UnixNano()))
+}
+
+type ClientData struct {
+	Address  string
+	Name     string
+	Position gamedata.Coordinates
+}
+
+type Game struct {
+	name   string
+	blocky *elements.Block
+
+	//players map[client.Identity]
+
+	clients map[string]ClientData
+
+	gameclient *client.Client
+	cycle      int
+
+	position gamedata.Coordinates
+
+	mu sync.Mutex
+}
+
+func NewGame() *Game {
+	g := &Game{
+		gameclient: client.NewClient(),
+		blocky:     elements.NewBlock(),
+		cycle:      0,
+		name:       namelist[rand.Intn(len(namelist))],
+	}
+	g.clients = make(map[string]ClientData)
+	go g.gameclient.ReadData(g.HandleServerData)
+	return g
+}
+
+func (g *Game) Update() error {
+
+	x, y := ebiten.CursorPosition()
+	g.position.X = float64(x)
+	g.position.Y = float64(y)
+
+	g.blocky.SetPosition(g.position)
+
+	//broadcast our position
+	if g.cycle%2 == 0 {
+		if g.gameclient.IsConnected() {
+			g.gameclient.SendData(fmt.Sprintf("%s,%.0f,%.0f\n", g.name, g.position.X, g.position.Y))
+		}
+	}
+
+	//cleanup client list every 2 seconds
+	if g.cycle%120 == 0 {
+		go g.CleanupClients()
+	}
+
+	g.cycle++
+	return nil
+}
+
+func (g *Game) Draw(screen *ebiten.Image) {
+	screen.Clear()
+
+	g.blocky.Draw()
+	op := &ebiten.DrawImageOptions{}
+	op.GeoM.Translate(-float64(g.blocky.Sprite.Bounds().Dx())/2, -float64(g.blocky.Sprite.Bounds().Dy())/2)
+	op.GeoM.Translate(g.blocky.GetPosition().X, g.blocky.GetPosition().Y)
+	screen.DrawImage(g.blocky.Sprite, op)
+	f2 := &text.GoTextFace{
+		Source: fonts.LaunchyFont.New,
+		Size:   12,
+	}
+	top := &text.DrawOptions{}
+	top.GeoM.Translate(g.blocky.GetPosition().X-50, g.blocky.GetPosition().Y+15)
+	text.Draw(screen, "you ("+g.name+")", f2, top)
+
+	g.mu.Lock()
+	clientcopy := maps.Clone(g.clients)
+	g.mu.Unlock()
+	for _, client := range clientcopy {
+		op := &ebiten.DrawImageOptions{}
+		op.GeoM.Translate(-float64(g.blocky.Sprite.Bounds().Dx())/2, -float64(g.blocky.Sprite.Bounds().Dy())/2)
+		op.GeoM.Translate(client.Position.X, client.Position.Y)
+		screen.DrawImage(g.blocky.Sprite, op)
+
+		f2 := &text.GoTextFace{
+			Source: fonts.LaunchyFont.New,
+			Size:   12,
+		}
+		top := &text.DrawOptions{}
+		top.GeoM.Translate(client.Position.X, client.Position.Y)
+		text.Draw(screen, client.Name, f2, top)
+	}
+
+}
+
+func (g *Game) Layout(outsideWidth, outsideHeight int) (screenwidth, screenheight int) {
+	return screenWidth, screenHeight
+}
+
+func (g *Game) HandleServerData(data string) {
+	//log.Println(data)
+
+	raw := data[1 : len(data)-1]
+	clientinfo := strings.Split(raw, ";")
+	for _, info := range clientinfo {
+		subdata := strings.Split(info, ",")
+
+		if len(subdata) == 4 {
+
+			if g.gameclient.GetLocalAddr() != subdata[0] {
+
+				x, err := strconv.Atoi(subdata[2])
+				if err != nil {
+					x = 0
+				}
+
+				y, err := strconv.Atoi(subdata[3])
+				if err != nil {
+					y = 0
+				}
+
+				update := ClientData{
+					Address: subdata[0],
+					Name:    subdata[1],
+					Position: gamedata.Coordinates{
+						X: float64(x),
+						Y: float64(y),
+					},
+				}
+
+				g.mu.Lock()
+				g.clients[update.Address] = update
+				g.mu.Unlock()
+			}
+		}
+	}
+
+}
+
+func (g *Game) CleanupClients() {
+	g.mu.Lock()
+	for k := range g.clients {
+		delete(g.clients, k)
+	}
+	g.mu.Unlock()
+}