Refactored module structure for ease of testing backend colliders.

backend_collider_visualizer/main.go

@@ -1,176 +0,0 @@
-package main
-
-import (
-	_ "embed"
-	"errors"
-	"fmt"
-	"image/color"
-	"time"
-
-	"github.com/golang/freetype/truetype"
-	"github.com/hajimehoshi/ebiten/v2"
-	"github.com/hajimehoshi/ebiten/v2/ebitenutil"
-	"github.com/hajimehoshi/ebiten/v2/inpututil"
-	"github.com/hajimehoshi/ebiten/v2/text"
-	"github.com/solarlune/resolv"
-	"golang.org/x/image/font"
-)
-
-//go:embed excel.ttf
-var excelFont []byte
-
-type Game struct {
-	Worlds        []WorldInterface
-	CurrentWorld  int
-	Width, Height int
-	Debug         bool
-	ShowHelpText  bool
-	Screen        *ebiten.Image
-	FontFace      font.Face
-}
-
-func NewGame() *Game {
-
-	ebiten.SetWindowResizable(true)
-	ebiten.SetWindowTitle("resolv test")
-
-	g := &Game{
-		Width:        640,
-		Height:       360,
-		ShowHelpText: true,
-	}
-
-	g.Worlds = []WorldInterface{
-		NewWorldBouncer(g),
-		NewWorldLineTest(g),
-	}
-
-	fontData, _ := truetype.Parse(excelFont)
-
-	g.FontFace = truetype.NewFace(fontData, &truetype.Options{Size: 10})
-
-	// Debug FPS rendering
-
-	go func() {
-
-		for {
-
-			fmt.Println("FPS: ", ebiten.CurrentFPS())
-			fmt.Println("Ticks: ", ebiten.CurrentTPS())
-			time.Sleep(time.Second)
-
-		}
-
-	}()
-
-	return g
-
-}
-
-func (g *Game) Update() error {
-
-	var quit error
-
-	if inpututil.IsKeyJustPressed(ebiten.KeyP) {
-		if ebiten.CurrentTPS() >= 60 {
-			ebiten.SetMaxTPS(6)
-		} else {
-			ebiten.SetMaxTPS(60)
-		}
-	}
-
-	if inpututil.IsKeyJustPressed(ebiten.KeyF1) {
-		g.Debug = !g.Debug
-	}
-
-	if inpututil.IsKeyJustPressed(ebiten.KeyF2) {
-		g.ShowHelpText = !g.ShowHelpText
-	}
-
-	if inpututil.IsKeyJustPressed(ebiten.KeyE) {
-		g.CurrentWorld++
-	}
-
-	if inpututil.IsKeyJustPressed(ebiten.KeyQ) {
-		g.CurrentWorld--
-	}
-
-	if g.CurrentWorld >= len(g.Worlds) {
-		g.CurrentWorld = 0
-	} else if g.CurrentWorld < 0 {
-		g.CurrentWorld = len(g.Worlds) - 1
-	}
-
-	world := g.Worlds[g.CurrentWorld]
-
-	if inpututil.IsKeyJustPressed(ebiten.KeyR) {
-		world.Init()
-	}
-
-	if ebiten.IsKeyPressed(ebiten.KeyEscape) {
-		quit = errors.New("quit")
-	}
-
-	world.Update()
-
-	return quit
-
-}
-
-func (g *Game) Draw(screen *ebiten.Image) {
-	g.Screen = screen
-	screen.Fill(color.RGBA{20, 20, 40, 255})
-	g.Worlds[g.CurrentWorld].Draw(screen)
-}
-
-func (g *Game) DrawText(screen *ebiten.Image, x, y int, textLines ...string) {
-	rectHeight := 10
-	for _, txt := range textLines {
-		w := float64(font.MeasureString(g.FontFace, txt).Round())
-		ebitenutil.DrawRect(screen, float64(x), float64(y-8), w, float64(rectHeight), color.RGBA{0, 0, 0, 192})
-
-		text.Draw(screen, txt, g.FontFace, x+1, y+1, color.RGBA{0, 0, 150, 255})
-		text.Draw(screen, txt, g.FontFace, x, y, color.RGBA{100, 150, 255, 255})
-		y += rectHeight
-	}
-}
-
-func (g *Game) DebugDraw(screen *ebiten.Image, space *resolv.Space) {
-
-	for y := 0; y < space.Height(); y++ {
-
-		for x := 0; x < space.Width(); x++ {
-
-			cell := space.Cell(x, y)
-
-			cw := float64(space.CellWidth)
-			ch := float64(space.CellHeight)
-			cx := float64(cell.X) * cw
-			cy := float64(cell.Y) * ch
-
-			drawColor := color.RGBA{20, 20, 20, 255}
-
-			if cell.Occupied() {
-				drawColor = color.RGBA{255, 255, 0, 255}
-			}
-
-			ebitenutil.DrawLine(screen, cx, cy, cx+cw, cy, drawColor)
-
-			ebitenutil.DrawLine(screen, cx+cw, cy, cx+cw, cy+ch, drawColor)
-
-			ebitenutil.DrawLine(screen, cx+cw, cy+ch, cx, cy+ch, drawColor)
-
-			ebitenutil.DrawLine(screen, cx, cy+ch, cx, cy, drawColor)
-		}
-
-	}
-
-}
-
-func (g *Game) Layout(w, h int) (int, int) {
-	return g.Width, g.Height
-}
-
-func main() {
-	ebiten.RunGame(NewGame())
-}

backend_collider_visualizer/worldBouncer.go

@@ -1,169 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"image/color"
-	"math/rand"
-
-	"github.com/hajimehoshi/ebiten/v2"
-	"github.com/hajimehoshi/ebiten/v2/ebitenutil"
-	"github.com/solarlune/resolv"
-)
-
-type WorldBouncer struct {
-	Game         *Game
-	Space        *resolv.Space
-	Geometry     []*resolv.Object
-	Bouncers     []*Bouncer
-	ShowHelpText bool
-}
-
-type Bouncer struct {
-	Object         *resolv.Object
-	SpeedX, SpeedY float64
-}
-
-func NewWorldBouncer(game *Game) *WorldBouncer {
-
-	w := &WorldBouncer{
-		Game:         game,
-		ShowHelpText: true,
-	}
-
-	w.Init()
-
-	return w
-}
-
-func (world *WorldBouncer) Init() {
-
-	gw := float64(world.Game.Width)
-	gh := float64(world.Game.Height)
-	cellSize := 8
-
-	world.Space = resolv.NewSpace(int(gw), int(gh), cellSize, cellSize)
-
-	world.Geometry = []*resolv.Object{
-		resolv.NewObject(0, 0, 16, gh),
-		resolv.NewObject(gw-16, 0, 16, gh),
-		resolv.NewObject(0, 0, gw, 16),
-		resolv.NewObject(0, gh-24, gw, 32),
-	}
-
-	world.Space.Add(world.Geometry...)
-
-	world.Bouncers = []*Bouncer{}
-
-	world.SpawnObject()
-
-}
-
-func (world *WorldBouncer) SpawnObject() {
-
-	bouncer := &Bouncer{
-		Object: resolv.NewObject(0, 0, 2, 2),
-		SpeedX: (rand.Float64() * 8) - 4,
-		SpeedY: (rand.Float64() * 8) - 4,
-	}
-
-	world.Space.Add(bouncer.Object)
-
-	// Choose an unoccupied cell to spawn a bouncing object in
-	var c *resolv.Cell
-	for c == nil {
-		rx := rand.Intn(world.Space.Width())
-		ry := rand.Intn(world.Space.Height())
-		c = world.Space.Cell(rx, ry)
-		if c.Occupied() {
-			c = nil
-		} else {
-			bouncer.Object.X, bouncer.Object.Y = world.Space.SpaceToWorld(c.X, c.Y)
-		}
-	}
-
-	world.Bouncers = append(world.Bouncers, bouncer)
-
-}
-
-func (world *WorldBouncer) Update() {
-
-	if ebiten.IsKeyPressed(ebiten.KeyUp) {
-		for i := 0; i < 5; i++ {
-			world.SpawnObject()
-		}
-	} else if ebiten.IsKeyPressed(ebiten.KeyDown) {
-		if len(world.Bouncers) > 0 {
-			b := world.Bouncers[0]
-			world.Space.Remove(b.Object)
-			world.Bouncers = world.Bouncers[1:]
-		}
-	}
-
-	for _, b := range world.Bouncers {
-
-		b.SpeedY += 0.1
-
-		dx := b.SpeedX
-		dy := b.SpeedY
-
-		if check := b.Object.Check(dx, 0); check != nil {
-			// We move a bouncer into contact with the owning cell rather than the object because we don't need to be that specific and
-			// moving into contact with another moving object that bounces away can get them both stuck; it's easier to bounce off of the
-			// "containing" cells, which are static.
-			contact := check.ContactWithCell(check.Cells[0])
-			dx = contact.X()
-			b.SpeedX *= -1
-		}
-
-		b.Object.X += dx
-
-		if check := b.Object.Check(0, dy); check != nil {
-			contact := check.ContactWithCell(check.Cells[0])
-			dy = contact.Y()
-			b.SpeedY *= -1
-		}
-
-		b.Object.Y += dy
-
-		b.Object.Update()
-
-	}
-
-}
-
-func (world *WorldBouncer) Draw(screen *ebiten.Image) {
-
-	for _, o := range world.Geometry {
-		ebitenutil.DrawRect(screen, o.X, o.Y, o.W, o.H, color.RGBA{60, 60, 60, 255})
-	}
-
-	for _, b := range world.Bouncers {
-		o := b.Object
-		ebitenutil.DrawRect(screen, o.X, o.Y, o.W, o.H, color.RGBA{0, 80, 255, 255})
-	}
-
-	if world.Game.Debug {
-		world.Game.DebugDraw(screen, world.Space)
-	}
-
-	if world.Game.ShowHelpText {
-
-		world.Game.DrawText(screen, 16, 16,
-			"~ Bouncer Demo ~",
-			"Up Arrow: Add bouncer",
-			"Down Arrow: Remove bouncer",
-			"",
-			fmt.Sprintf("%d Bouncers in the world.", len(world.Bouncers)),
-			fmt.Sprintf("%d FPS (frames per second)", int(ebiten.CurrentFPS())),
-			fmt.Sprintf("%d TPS (ticks per second)", int(ebiten.CurrentTPS())),
-			"",
-			"F1: Toggle Debug View",
-			"F2: Show / Hide help text",
-			"R: Restart world",
-			"E: Next world",
-			"Q: Previous world",
-		)
-
-	}
-
-}

battle_srv/api/req_logger.go

@@ -2,10 +2,10 @@ package api
 
 import (
 	"bytes"
+	. "dnmshared"
 	"github.com/gin-gonic/gin"
 	"io"
 	"io/ioutil"
-	. "server/common"
 )
 
 func RequestLogger() gin.HandlerFunc {

battle_srv/api/v1/player.go

@@ -16,6 +16,8 @@ import (
 	"server/models"
 	"server/storage"
 	"strconv"
+
+	. "dnmshared"
 )
 
 var Player = playerController{}

battle_srv/common/conf.go

@@ -1,16 +1,15 @@
 package common
 
 import (
+	. "dnmshared"
 	"encoding/json"
 	"fmt"
+	"go.uber.org/zap"
 	"os"
 	"path/filepath"
 	"strings"
-
-	"go.uber.org/zap"
 )
 
-// 隐式导入
 var Conf *config
 
 const (
@@ -72,11 +71,15 @@ func MustParseConfig() {
 		BotServer: new(botServerConf),
 	}
 	execPath, err := os.Executable()
-	ErrFatal(err)
+	if nil != err {
+		panic(err)
+	}
 
 	pwd, err := os.Getwd()
 	Logger.Debug("os.GetWd", zap.String("pwd", pwd))
-	ErrFatal(err)
+	if nil != err {
+		panic(err)
+	}
 
 	appRoot := pwd
 	confDir := filepath.Join(appRoot, "configs")
@@ -129,22 +132,21 @@ func loadJSON(fp string, v interface{}) {
 		fp = filepath.Join(Conf.General.ConfDir, fp)
 	}
 	_, err := os.Stat(fp)
-	ErrFatal(err)
+	if nil != err {
+		panic(err)
+	}
 
 	fd, err := os.Open(fp)
-	ErrFatal(err)
+	if nil != err {
+		panic(err)
+	}
 	defer fd.Close()
 	Logger.Info("Opened json file successfully.", zap.String("fp", fp))
 	err = json.NewDecoder(fd).Decode(v)
-	ErrFatal(err)
+	if nil != err {
-	Logger.Info("Loaded json file successfully.", zap.String("fp", fp))
+		panic(err)
-}
-
-// Please only use this auxiliary function before server is fully started up, but not afterwards (启动过程可以使用，运行时不准使用).
-func ErrFatal(err error) {
-	if err != nil {
-		Logger.Fatal("ErrFatal", zap.NamedError("err", err))
 	}
+	Logger.Info("Loaded json file successfully.", zap.String("fp", fp))
 }
 
 func isNotExist(p string) bool {

battle_srv/common/constants_loader.go

@@ -5,9 +5,10 @@ import (
 
 	"github.com/imdario/mergo"
 	"go.uber.org/zap"
+
+	. "dnmshared"
 )
 
-// 隐式导入
 var Constants *constants
 
 func MustParseConstants() {
@@ -24,13 +25,11 @@ func MustParseConstants() {
 		if !isNotExist(fp) {
 			testConstants := new(constants)
 			loadJSON(fp, testConstants)
-			//Logger.Debug(spew.Sdump(Constants))
-			//Logger.Debug(spew.Sdump(testConstants))
 			err := mergo.Merge(testConstants, Constants)
-			ErrFatal(err)
+			if nil != err {
+				panic(err)
+			}
 			Constants = testConstants
-			//Logger.Debug("mergo.Merge", zap.Error(err))
-			//Logger.Debug(spew.Sdump(testConstants))
 		}
 	}
 	constantsPost()

battle_srv/common/utils/wechat.go

@@ -3,6 +3,7 @@ package utils
 import (
 	"bytes"
 	"crypto/sha1"
+	. "dnmshared"
 	"encoding/json"
 	"fmt"
 	"go.uber.org/zap"

battle_srv/common/vals.go

@@ -11,7 +11,6 @@ var (
 	RE_CHINA_PHONE_NUM  = regexp.MustCompile(`^(13[0-9]|14[5|7]|15[0|1|2|3|5|6|7|8|9]|18[0|1|2|3|5|6|7|8|9])\d{8}$`)
 )
 
-// 隐式导入
 var ConstVals = &struct {
 	Player struct {
 		CaptchaExpire time.Duration

battle_srv/env_tools/load_pre_conf.go

@@ -1,6 +1,7 @@
 package env_tools
 
 import (
+	. "dnmshared"
 	sq "github.com/Masterminds/squirrel"
 	"github.com/jmoiron/sqlx"
 	_ "github.com/mattn/go-sqlite3"
@@ -15,7 +16,9 @@ func LoadPreConf() {
 	Logger.Info(`Merging PreConfSQLite data into MySQL`,
 		zap.String("PreConfSQLitePath", Conf.General.PreConfSQLitePath))
 	db, err := sqlx.Connect("sqlite3", Conf.General.PreConfSQLitePath)
-	ErrFatal(err)
+	if nil != err {
+		panic(err)
+	}
 	defer db.Close()
 
 	loadPreConfToMysql(db)
@@ -39,7 +42,9 @@ func loadPreConfToMysql(db *sqlx.DB) {
 func loadSqlite(db *sqlx.DB, tbs []string) {
 	for _, v := range tbs {
 		result, err := storage.MySQLManagerIns.Exec("truncate " + v)
-		ErrFatal(err)
+		if nil != err {
+			panic(err)
+		}
 		Logger.Info("truncate", zap.Any("truncate "+v, result))
 		query, args, err := sq.Select("*").From(v).ToSql()
 		if err != nil {
@@ -70,19 +75,25 @@ func createMysqlData(rows *sqlx.Rows, v string) {
 func maybeCreateNewPlayerFromBotTable(db *sqlx.DB, tableName string) {
 	var ls []*dbBotPlayer
 	err := db.Select(&ls, "SELECT name, magic_phone_country_code, magic_phone_num, display_name FROM "+tableName)
-	ErrFatal(err)
+	if nil != err {
+		panic(err)
+	}
 	names := make([]string, len(ls), len(ls))
 	for i, v := range ls {
 		names[i] = v.Name
 	}
 	sql := "SELECT name FROM `player` WHERE name in (?)"
 	query, args, err := sqlx.In(sql, names)
-	ErrFatal(err)
+	if nil != err {
+		panic(err)
+	}
 	query = storage.MySQLManagerIns.Rebind(query)
 	// existNames := make([]string, len(ls), len(ls))
 	var existPlayers []*models.Player
 	err = storage.MySQLManagerIns.Select(&existPlayers, query, args...)
-	ErrFatal(err)
+	if nil != err {
+		panic(err)
+	}
 
 	for _, botPlayer := range ls {
 		var flag bool

battle_srv/env_tools/test_env_db.go

@@ -1,6 +1,7 @@
 package env_tools
 
 import (
+	. "dnmshared"
 	. "server/common"
 	"server/common/utils"
 	"server/models"
@@ -15,7 +16,9 @@ func MergeTestPlayerAccounts() {
 	fp := Conf.General.TestEnvSQLitePath
 	Logger.Info(`Initializing TestPlayerAccounts in runtime MySQLServer from SQLite file:`, zap.String("fp", fp))
 	db, err := sqlx.Connect("sqlite3", fp)
-	ErrFatal(err)
+	if nil != err {
+		panic(err)
+	}
 	defer db.Close()
 	maybeCreateNewPlayer(db, "test_player")
 }
@@ -29,31 +32,35 @@ type dbTestPlayer struct {
 func maybeCreateNewPlayer(db *sqlx.DB, tableName string) {
 	var ls []*dbTestPlayer
 	err := db.Select(&ls, "SELECT name, magic_phone_country_code, magic_phone_num FROM "+tableName)
-	ErrFatal(err)
+	if nil != err {
+		panic(err)
+	}
 	names := make([]string, len(ls), len(ls))
 	for i, v := range ls {
 		names[i] = v.Name
 	}
 	sql := "SELECT name FROM `player` WHERE name in (?)"
 	query, args, err := sqlx.In(sql, names)
-	ErrFatal(err)
+	if nil != err {
+		panic(err)
+	}
 	query = storage.MySQLManagerIns.Rebind(query)
 	// existNames := make([]string, len(ls), len(ls))
 	var existPlayers []*models.Player
 	err = storage.MySQLManagerIns.Select(&existPlayers, query, args...)
-	ErrFatal(err)
+	if nil != err {
+		panic(err)
+	}
 
 	for _, testPlayer := range ls {
 		var flag bool
 		for _, v := range existPlayers {
 			if testPlayer.Name == v.Name {
-				// 已有数据，合并处理
 				flag = true
 				break
 			}
 		}
 		if !flag {
-			// 找不到，新增
 			Logger.Debug("create", zap.Any(tableName, testPlayer))
 			err := createNewPlayer(testPlayer)
 			if err != nil {

battle_srv/go.mod

@@ -20,6 +20,8 @@ require (
 	github.com/thoas/go-funk v0.0.0-20180716193722-1060394a7713
 	go.uber.org/zap v1.9.1
 	google.golang.org/protobuf v1.28.1
+
+    dnmshared v0.0.0
 )
 
 require (
@@ -43,3 +45,7 @@ require (
 	gopkg.in/go-playground/validator.v8 v8.18.2 // indirect
 	gopkg.in/yaml.v2 v2.2.1 // indirect
 )
+
+replace (
+	dnmshared => ../dnmshared
+)

battle_srv/main.go

@@ -17,6 +17,8 @@ import (
 	"syscall"
 	"time"
 
+	. "dnmshared"
+
 	"github.com/gin-contrib/cors"
 	"github.com/gin-gonic/gin"
 	"github.com/robfig/cron"

battle_srv/models/barrier.go

@@ -1,5 +1,9 @@
 package models
 
+import (
+	. "dnmshared"
+)
+
 type Barrier struct {
 	Boundary *Polygon2D
 }

battle_srv/models/pb_type_convert.go

@@ -1,6 +1,7 @@
 package models
 
 import (
+	. "dnmshared"
 	pb "server/pb_output"
 )
 

battle_srv/models/player.go

@@ -2,6 +2,7 @@ package models
 
 import (
 	"database/sql"
+	. "dnmshared"
 	"fmt"
 	sq "github.com/Masterminds/squirrel"
 	"github.com/jmoiron/sqlx"

battle_srv/models/player_dao_helper.go

@@ -2,7 +2,7 @@ package models
 
 import (
 	"database/sql"
-	. "server/common"
+	. "dnmshared"
 	"server/storage"
 
 	sq "github.com/Masterminds/squirrel"

battle_srv/models/player_wallet.go

@@ -2,6 +2,7 @@ package models
 
 import (
 	"database/sql"
+	. "dnmshared"
 	"errors"
 	. "server/common"
 	"server/common/utils"

battle_srv/models/room.go

@@ -1,17 +1,14 @@
 package models
 
 import (
-	"encoding/xml"
+	. "dnmshared"
 	"fmt"
 	"github.com/golang/protobuf/proto"
 	"github.com/gorilla/websocket"
 	"github.com/solarlune/resolv"
 	"go.uber.org/zap"
-	"io/ioutil"
 	"math"
 	"math/rand"
-	"os"
-	"path/filepath"
 	. "server/common"
 	"server/common/utils"
 	pb "server/pb_output"
@@ -19,6 +16,11 @@ import (
 	"sync"
 	"sync/atomic"
 	"time"
+
+	"encoding/xml"
+	"io/ioutil"
+	"os"
+	"path/filepath"
 )
 
 const (
@@ -261,7 +263,9 @@ func (pR *Room) ChooseStage() error {
 	 * -- YFLu, 2019-09-04
 	 */
 	pwd, err := os.Getwd()
-	ErrFatal(err)
+	if nil != err {
+		panic(err)
+	}
 
 	rand.Seed(time.Now().Unix())
 	stageNameList := []string{ /*"pacman" ,*/ "richsoil"}

battle_srv/models/room_heap_manager.go

@@ -2,9 +2,9 @@ package models
 
 import (
 	"container/heap"
+	. "dnmshared"
 	"fmt"
 	"go.uber.org/zap"
-	. "server/common"
 	"sync"
 )
 

battle_srv/storage/mysql_manager.go

@@ -6,6 +6,8 @@ import (
 	_ "github.com/go-sql-driver/mysql"
 	"github.com/jmoiron/sqlx"
 	"go.uber.org/zap"
+
+	. "dnmshared"
 )
 
 var (
@@ -15,8 +17,12 @@ var (
 func initMySQL() {
 	var err error
 	MySQLManagerIns, err = sqlx.Connect("mysql", Conf.MySQL.DSN+"?charset=utf8mb4")
-	ErrFatal(err)
+	if nil != err {
+		panic(err)
+	}
 	err = MySQLManagerIns.Ping()
-	ErrFatal(err)
+	if nil != err {
+		panic(err)
+	}
 	Logger.Info("MySQLManagerIns", zap.Any("mysql", MySQLManagerIns))
 }

battle_srv/storage/redis_manager.go

@@ -7,6 +7,8 @@ import (
 	"github.com/go-redis/redis"
 	_ "github.com/go-sql-driver/mysql"
 	"go.uber.org/zap"
+
+	. "dnmshared"
 )
 
 var (
@@ -20,6 +22,8 @@ func initRedis() {
 		DB:       Conf.Redis.Dbname,   // use default DB
 	})
 	pong, err := RedisManagerIns.Ping().Result()
-	ErrFatal(err)
+	if nil != err {
+		panic(err)
+	}
 	Logger.Info("Redis", zap.String("ping", pong))
 }

battle_srv/test_cases/tests.go

@@ -17,7 +17,9 @@ func loadTMX(fp string, pTmxMapIns *models.TmxMap) {
 	}
 
 	byteArr, err := ioutil.ReadFile(fp)
-	ErrFatal(err)
+	if nil != err {
+		panic(err)
+	}
 	models.DeserializeToTmxMapIns(byteArr, pTmxMapIns)
 	for _, info := range pTmxMapIns.TreasuresInfo {
 		fmt.Printf("treasuresInfo: %v\n", info)
@@ -33,7 +35,9 @@ func loadTSX(fp string, pTsxIns *models.Tsx) {
 	}
 
 	byteArr, err := ioutil.ReadFile(fp)
-	ErrFatal(err)
+	if nil != err {
+		panic(err)
+	}
 	models.DeserializeToTsxIns(byteArr, pTsxIns)
 	for _, Pos := range pTsxIns.TrapPolyLineList {
 		fmt.Printf("%v\n", Pos)
@@ -43,10 +47,14 @@ func loadTSX(fp string, pTsxIns *models.Tsx) {
 func getTMXInfo() {
 	relativePath = "../frontend/assets/resources/map/treasurehunter.tmx"
 	execPath, err := os.Executable()
-	ErrFatal(err)
+	if nil != err {
+		panic(err)
+	}
 
 	pwd, err := os.Getwd()
-	ErrFatal(err)
+	if nil != err {
+		panic(err)
+	}
 
 	fmt.Printf("execPath = %v, pwd = %s, returning...\n", execPath, pwd)
 
@@ -61,10 +69,14 @@ func getTSXInfo() {
 
 	relativePath = "../frontend/assets/resources/map/tile_1.tsx"
 	execPath, err := os.Executable()
-	ErrFatal(err)
+	if nil != err {
+		panic(err)
+	}
 
 	pwd, err := os.Getwd()
-	ErrFatal(err)
+	if nil != err {
+		panic(err)
+	}
 
 	fmt.Printf("execPath = %v, pwd = %s, returning...\n", execPath, pwd)
 	tsxIns := models.Tsx{}

battle_srv/ws/serve.go

@@ -14,6 +14,8 @@ import (
 	"strconv"
 	"sync/atomic"
 	"time"
+
+	. "dnmshared"
 )
 
 const (

collider_visualizer/go.mod

@@ -7,6 +7,7 @@ require (
 	github.com/hajimehoshi/ebiten/v2 v2.4.7
 	github.com/solarlune/resolv v0.5.1
 	golang.org/x/image v0.0.0-20220902085622-e7cb96979f69
+	dnmshared v0.0.0
 )
 
 require (
@@ -15,7 +16,12 @@ require (
 	github.com/hajimehoshi/file2byteslice v0.0.0-20210813153925-5340248a8f41 // indirect
 	github.com/jezek/xgb v1.0.1 // indirect
 	github.com/kvartborg/vector v0.0.0-20200419093813-2cba0cabb4f0 // indirect
+	go.uber.org/atomic v1.7.0 // indirect
+	go.uber.org/multierr v1.6.0 // indirect
+	go.uber.org/zap v1.23.0 // indirect
 	golang.org/x/exp v0.0.0-20190731235908-ec7cb31e5a56 // indirect
 	golang.org/x/mobile v0.0.0-20220722155234-aaac322e2105 // indirect
 	golang.org/x/sys v0.0.0-20220818161305-2296e01440c6 // indirect
 )
+
+replace dnmshared => ../dnmshared

collider_visualizer/go.sum

@@ -1,4 +1,6 @@
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/ebitengine/purego v0.0.0-20220905075623-aeed57cda744 h1:A8UnJ/5OKzki4HBDwoRQz7I6sxKsokpMXcGh+fUxpfc=
 github.com/ebitengine/purego v0.0.0-20220905075623-aeed57cda744/go.mod h1:Eh8I3yvknDYZeCuXH9kRNaPuHEwvXDCk378o9xszmHg=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20220806181222-55e207c401ad h1:kX51IjbsJPCvzV9jUoVQG9GEUqIq5hjfYzXTqQ52Rh8=
@@ -22,10 +24,19 @@ github.com/jfreymuth/vorbis v1.0.2/go.mod h1:DoftRo4AznKnShRl1GxiTFCseHr4zR9BN3T
 github.com/kvartborg/vector v0.0.0-20200419093813-2cba0cabb4f0 h1:v8lWpj5957KtDMKu+xQtlu6G3ZoZR6Tn9bsfZCRG5Xw=
 github.com/kvartborg/vector v0.0.0-20200419093813-2cba0cabb4f0/go.mod h1:GAX7tMJqXx9fB1BrsTWPOXy6IBRX+J461BffVPAdpwo=
 github.com/pkg/browser v0.0.0-20210911075715-681adbf594b8/go.mod h1:HKlIX3XHQyzLZPlr7++PzdhaXEj94dEiJgZDTsxEqUI=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/solarlune/resolv v0.5.1 h1:Ul6PAs/zaxiMUOEYz1Z6VeUj5k3CDcWMvSh+kivybDY=
 github.com/solarlune/resolv v0.5.1/go.mod h1:HjM2f/0NoVjVdZsi26GtugX5aFbA62COEFEXkOhveRw=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/yuin/goldmark v1.4.0/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
 github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
+go.uber.org/atomic v1.7.0 h1:ADUqmZGgLDDfbSL9ZmPxKTybcoEYHgpYfELNoN+7hsw=
+go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
+go.uber.org/multierr v1.6.0 h1:y6IPFStTAIT5Ytl7/XYmHvzXQ7S3g/IeZW9hyZ5thw4=
+go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU=
+go.uber.org/zap v1.23.0 h1:OjGQ5KQDEUawVHxNwQgPpiypGHOxo2mNZsOqTak4fFY=
+go.uber.org/zap v1.23.0/go.mod h1:D+nX8jyLsMHMYrln8A0rJjFt/T/9/bGgIhAqxv5URuY=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=

collider_visualizer/main.go

@@ -0,0 +1,168 @@
+package main
+
+import (
+	_ "embed"
+	"fmt"
+	"image/color"
+
+	"go.uber.org/zap"
+
+	"github.com/golang/freetype/truetype"
+	"github.com/hajimehoshi/ebiten/v2"
+	"github.com/hajimehoshi/ebiten/v2/ebitenutil"
+	"github.com/hajimehoshi/ebiten/v2/text"
+	"github.com/solarlune/resolv"
+	"golang.org/x/image/font"
+
+	"encoding/xml"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+
+	. "dnmshared"
+)
+
+func parseStage(stageName string) (int32, int32, int32, int32, StrToVec2DListMap, StrToPolygon2DListMap, error) {
+	pwd, err := os.Getwd()
+	if nil != err {
+		Logger.Error("Failed to get current working dir:", zap.Any("pwd", pwd), zap.Any("err", err))
+	}
+
+	relativePathForAllStages := "../frontend/assets/resources/map"
+	relativePathForChosenStage := fmt.Sprintf("%s/%s", relativePathForAllStages, stageName)
+
+	pTmxMapIns := &TmxMap{}
+
+	absDirPathContainingDirectlyTmxFile := filepath.Join(pwd, relativePathForChosenStage)
+	absTmxFilePath := fmt.Sprintf("%s/map.tmx", absDirPathContainingDirectlyTmxFile)
+	if !filepath.IsAbs(absTmxFilePath) {
+		panic("Tmx filepath must be absolute!")
+	}
+
+	byteArr, err := ioutil.ReadFile(absTmxFilePath)
+	if nil != err {
+		panic(err)
+	}
+	err = xml.Unmarshal(byteArr, pTmxMapIns)
+	if nil != err {
+		panic(err)
+	}
+
+	// Obtain the content of `gidBoundariesMapInB2World`.
+	gidBoundariesMapInB2World := make(map[int]StrToPolygon2DListMap, 0)
+	for _, tileset := range pTmxMapIns.Tilesets {
+		relativeTsxFilePath := fmt.Sprintf("%s/%s", filepath.Join(pwd, relativePathForChosenStage), tileset.Source) // Note that "TmxTileset.Source" can be a string of "relative path".
+		absTsxFilePath, err := filepath.Abs(relativeTsxFilePath)
+		if nil != err {
+			panic(err)
+		}
+		if !filepath.IsAbs(absTsxFilePath) {
+			panic("Filepath must be absolute!")
+		}
+
+		byteArrOfTsxFile, err := ioutil.ReadFile(absTsxFilePath)
+		if nil != err {
+			panic(err)
+		}
+
+		DeserializeTsxToColliderDict(pTmxMapIns, byteArrOfTsxFile, int(tileset.FirstGid), gidBoundariesMapInB2World)
+	}
+
+	return ParseTmxLayersAndGroups(pTmxMapIns, gidBoundariesMapInB2World)
+}
+
+//go:embed excel.ttf
+var excelFont []byte
+
+type Game struct {
+	World         WorldInterface
+	Width, Height int
+	Debug         bool
+	ShowHelpText  bool
+	Screen        *ebiten.Image
+	FontFace      font.Face
+}
+
+func NewGame() *Game {
+
+	ebiten.SetWindowResizable(true)
+	ebiten.SetWindowTitle("resolv test")
+
+	g := &Game{
+		Width:        640,
+		Height:       360,
+		ShowHelpText: true,
+	}
+
+	g.World = NewWorldLineTest(g)
+
+	fontData, _ := truetype.Parse(excelFont)
+
+	g.FontFace = truetype.NewFace(fontData, &truetype.Options{Size: 10})
+
+	return g
+}
+
+func (g *Game) Update() error {
+	g.World.Update()
+	return nil
+}
+
+func (g *Game) Draw(screen *ebiten.Image) {
+	g.Screen = screen
+	screen.Fill(color.RGBA{20, 20, 40, 255})
+	g.World.Draw(screen)
+}
+
+func (g *Game) DrawText(screen *ebiten.Image, x, y int, textLines ...string) {
+	rectHeight := 10
+	for _, txt := range textLines {
+		w := float64(font.MeasureString(g.FontFace, txt).Round())
+		ebitenutil.DrawRect(screen, float64(x), float64(y-8), w, float64(rectHeight), color.RGBA{0, 0, 0, 192})
+
+		text.Draw(screen, txt, g.FontFace, x+1, y+1, color.RGBA{0, 0, 150, 255})
+		text.Draw(screen, txt, g.FontFace, x, y, color.RGBA{100, 150, 255, 255})
+		y += rectHeight
+	}
+}
+
+func (g *Game) DebugDraw(screen *ebiten.Image, space *resolv.Space) {
+
+	for y := 0; y < space.Height(); y++ {
+		for x := 0; x < space.Width(); x++ {
+			cell := space.Cell(x, y)
+
+			cw := float64(space.CellWidth)
+			ch := float64(space.CellHeight)
+			cx := float64(cell.X) * cw
+			cy := float64(cell.Y) * ch
+
+			drawColor := color.RGBA{20, 20, 20, 255}
+
+			if cell.Occupied() {
+				drawColor = color.RGBA{255, 255, 0, 255}
+			}
+
+			ebitenutil.DrawLine(screen, cx, cy, cx+cw, cy, drawColor)
+			ebitenutil.DrawLine(screen, cx+cw, cy, cx+cw, cy+ch, drawColor)
+			ebitenutil.DrawLine(screen, cx+cw, cy+ch, cx, cy+ch, drawColor)
+			ebitenutil.DrawLine(screen, cx, cy+ch, cx, cy, drawColor)
+		}
+	}
+
+}
+
+func (g *Game) Layout(w, h int) (int, int) {
+	return g.Width, g.Height
+}
+
+func main() {
+	stageDiscreteW, stageDiscreteH, stageTileW, stageTileH, toRetStrToVec2DListMap, toRetStrToPolygon2DListMap, err := parseStage("richsoil")
+	if nil != err {
+		panic(err)
+	}
+
+	Logger.Info("Parsed variables", zap.Any("stageDiscreteW", stageDiscreteW), zap.Any("stageDiscreteH", stageDiscreteH), zap.Any("stageTileW", stageTileW), zap.Any("stageTileH", stageTileH), zap.Any("toRetStrToVec2DListMap", toRetStrToVec2DListMap), zap.Any("toRetStrToPolygon2DListMap", toRetStrToPolygon2DListMap))
+
+	ebiten.RunGame(NewGame())
+}

dnmshared/geometry.go

@@ -1,4 +1,4 @@
-package models
+package dnmshared
 
 import (
 	"math"

dnmshared/go.mod

@@ -0,0 +1,3 @@
+module tiled
+
+go 1.19

dnmshared/logger.go

@@ -1,4 +1,4 @@
-package common
+package dnmshared
 
 import (
 	"go.uber.org/zap"
@@ -19,5 +19,7 @@ func init() {
 	LoggerConfig.EncoderConfig.EncodeLevel = zapcore.CapitalColorLevelEncoder
 	var err error
 	Logger, err = LoggerConfig.Build()
-	ErrFatal(err)
+	if nil != err {
+		panic(err)
+	}
 }

dnmshared/parser.go

@@ -1,4 +1,4 @@
-package models
+package dnmshared
 
 import (
 	"bytes"
@@ -9,7 +9,6 @@ import (
 	"go.uber.org/zap"
 	"io/ioutil"
 	"math"
-	. "server/common"
 	"strconv"
 	"strings"
 )