vidosik

README.md

@@ -0,0 +1,20 @@
+# tomb_mates
+
+## Запустить сервер
+
+```
+cd server
+go run *go
+```
+
+## Запустить игру
+
+###### Не будет работать без запущенного сервера
+
+```
+go run main.go
+```
+
+## Спрайты
+
+[DungeonTilesetII](https://0x72.itch.io/dungeontileset-ii)

game/game.go

@@ -0,0 +1,133 @@
+package game
+
+import (
+	"encoding/json"
+	"math/rand"
+	"time"
+
+	uuid "github.com/satori/go.uuid"
+)
+
+type Unit struct {
+	ID                  string  `json:"id"`
+	X                   float64 `json:"x"`
+	Y                   float64 `json:"y"`
+	SpriteName          string  `json:"sprite_name"`
+	Action              string  `json:"action"`
+	Frame               int     `json:"frame"`
+	HorizontalDirection int     `json:"direction"`
+}
+
+type Units map[string]*Unit
+
+type World struct {
+	MyID     string `json:"-"`
+	IsServer bool   `json:"-"`
+	Units    `json:"units"`
+}
+
+type Event struct {
+	Type string      `json:"type"`
+	Data interface{} `json:"data"`
+}
+
+type EventConnect struct {
+	Unit
+}
+
+type EventMove struct {
+	UnitID    string `json:"unit_id"`
+	Direction int    `json:"direction"`
+}
+
+type EventIdle struct {
+	UnitID string `json:"unit_id"`
+}
+
+type EventInit struct {
+	PlayerID string `json:"player_id"`
+	Units    Units  `json:"units"`
+}
+
+const EventTypeConnect = "connect"
+const EventTypeMove = "move"
+const EventTypeIdle = "idle"
+const EventTypeInit = "init"
+
+const ActionRun = "run"
+const ActionIdle = "idle"
+
+const DirectionUp = 0
+const DirectionDown = 1
+const DirectionLeft = 2
+const DirectionRight = 3
+
+func (world *World) HandleEvent(event *Event) {
+	switch event.Type {
+	case EventTypeConnect:
+		str, _ := json.Marshal(event.Data)
+		var ev EventConnect
+		json.Unmarshal(str, &ev)
+
+		world.Units[ev.ID] = &ev.Unit
+
+	case EventTypeInit:
+		str, _ := json.Marshal(event.Data)
+		var ev EventInit
+		json.Unmarshal(str, &ev)
+
+		if !world.IsServer {
+			world.MyID = ev.PlayerID
+			world.Units = ev.Units
+		}
+
+	case EventTypeMove:
+		str, _ := json.Marshal(event.Data)
+		var ev EventMove
+		json.Unmarshal(str, &ev)
+
+		unit := world.Units[ev.UnitID]
+		unit.Action = ActionRun
+
+		switch ev.Direction {
+		case DirectionUp:
+			unit.Y--
+		case DirectionDown:
+			unit.Y++
+		case DirectionLeft:
+			unit.X--
+			unit.HorizontalDirection = ev.Direction
+		case DirectionRight:
+			unit.X++
+			unit.HorizontalDirection = ev.Direction
+		}
+
+	case EventTypeIdle:
+		str, _ := json.Marshal(event.Data)
+		var ev EventIdle
+		json.Unmarshal(str, &ev)
+
+		unit := world.Units[ev.UnitID]
+		unit.Action = ActionIdle
+	}
+}
+
+func (world *World) AddPlayer() *Unit {
+	skins := []string{
+		"elf_f", "elf_m", "knight_f", "knight_m",
+		"lizard_f", "lizard_m", "wizzard_f", "wizzard_m",
+	}
+	id := uuid.NewV4().String()
+	rnd := rand.New(rand.NewSource(time.Now().UnixNano()))
+	unit := &Unit{
+		ID:         id,
+		Action:     ActionIdle,
+		X:          rnd.Float64() * 320,
+		Y:          rnd.Float64() * 240,
+		Frame:      rnd.Intn(4),
+		SpriteName: skins[rnd.Intn(len(skins))],
+	}
+	world.Units[id] = unit
+
+	return unit
+}

go.mod

@@ -0,0 +1,10 @@
+module github.com/jilio/tomb_mates
+
+go 1.12
+
+require (
+	github.com/gin-gonic/gin v1.4.0
+	github.com/gorilla/websocket v1.4.1
+	github.com/hajimehoshi/ebiten v1.9.3
+	github.com/satori/go.uuid v1.2.0
+)

go.sum

@@ -0,0 +1,64 @@
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main.go

@@ -0,0 +1,131 @@
+package main
+
+import (
+	"log"
+	"sort"
+	"strconv"
+
+	"github.com/gorilla/websocket"
+	e "github.com/hajimehoshi/ebiten"
+	"github.com/hajimehoshi/ebiten/ebitenutil"
+	"github.com/jilio/tomb_mates/game"
+)
+
+var world game.World
+var frame int
+var img *e.Image
+
+func init() {
+	world = game.World{
+		IsServer: false,
+		Units:    game.Units{},
+	}
+}
+
+func update(c *websocket.Conn) func(screen *e.Image) error {
+	return func(screen *e.Image) error {
+		frame++
+
+		img, _, _ = ebitenutil.NewImageFromFile(
+			"sprites/background.png",
+			e.FilterDefault,
+		)
+		screen.DrawImage(img, nil)
+
+		unitList := []*game.Unit{}
+		for _, unit := range world.Units {
+			unitList = append(unitList, unit)
+		}
+		sort.Slice(unitList, func(i, j int) bool {
+			return unitList[i].Y < unitList[j].Y
+		})
+
+		for _, unit := range unitList {
+			op := &e.DrawImageOptions{}
+			if unit.HorizontalDirection == game.DirectionLeft {
+				op.GeoM.Scale(-1, 1)
+				op.GeoM.Translate(16, 0)
+			}
+			op.GeoM.Translate(unit.X, unit.Y)
+
+			spriteIndex := (frame/7 + unit.Frame) % 4
+			img, _, _ = ebitenutil.NewImageFromFile(
+				"sprites/"+unit.SpriteName+"_"+unit.Action+"_anim_f"+strconv.Itoa(spriteIndex)+".png",
+				e.FilterDefault,
+			)
+			screen.DrawImage(img, op)
+		}
+
+		if e.IsKeyPressed(e.KeyD) || e.IsKeyPressed(e.KeyRight) {
+			c.WriteJSON(game.Event{
+				Type: game.EventTypeMove,
+				Data: game.EventMove{
+					UnitID:    world.MyID,
+					Direction: game.DirectionRight,
+				},
+			})
+			return nil
+		}
+
+		if e.IsKeyPressed(e.KeyA) || e.IsKeyPressed(e.KeyLeft) {
+			c.WriteJSON(game.Event{
+				Type: game.EventTypeMove,
+				Data: game.EventMove{
+					UnitID:    world.MyID,
+					Direction: game.DirectionLeft,
+				},
+			})
+			return nil
+		}
+
+		if e.IsKeyPressed(e.KeyW) || e.IsKeyPressed(e.KeyUp) {
+			c.WriteJSON(game.Event{
+				Type: game.EventTypeMove,
+				Data: game.EventMove{
+					UnitID:    world.MyID,
+					Direction: game.DirectionUp,
+				},
+			})
+			return nil
+		}
+
+		if e.IsKeyPressed(e.KeyS) || e.IsKeyPressed(e.KeyDown) {
+			c.WriteJSON(game.Event{
+				Type: game.EventTypeMove,
+				Data: game.EventMove{
+					UnitID:    world.MyID,
+					Direction: game.DirectionDown,
+				},
+			})
+			return nil
+		}
+
+		if world.Units[world.MyID].Action == game.ActionRun {
+			c.WriteJSON(game.Event{
+				Type: game.EventTypeIdle,
+				Data: game.EventMove{
+					UnitID: world.MyID,
+				},
+			})
+		}
+
+		return nil
+	}
+}
+
+func main() {
+	c, _, _ := websocket.DefaultDialer.Dial("ws://127.0.0.1:3000/ws", nil)
+	go func(c *websocket.Conn) {
+		defer c.Close()
+
+		for {
+			var event game.Event
+			c.ReadJSON(&event)
+			world.HandleEvent(&event)
+			log.Println(event)
+		}
+	}(c)
+
+	e.SetRunnableInBackground(true)
+	e.Run(update(c), 320, 240, 2, "Tomb Mates")
+}