Implementerat Tiled JSON Map parser med portaler mellan 2 st hundramappars rum

internal/entities/world.go

@@ -1,6 +1,13 @@
 package entities
 
-import "github.com/go-gl/mathgl/mgl64"
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+
+	"github.com/go-gl/mathgl/mgl64"
+	"github.com/hajimehoshi/ebiten/v2/ebitenutil"
+)
 
 const (
 	TileSize = 32.0 // Varje block ar 32x32 world units
@@ -9,6 +16,7 @@ TileSize = 32.0 // Varje block ar 32x32 world units
 type World struct {
 	Width, Height, Depth int
 	Grid                 [][][]Entity
+	PortalTrigger        string // Håller reda på om vi ska byta rum
 }
 
 func NewWorld(w, h, d int) *World {
@@ -19,7 +27,150 @@ for y := 0; y < h; y++ {
 			grid[x][y] = make([]Entity, d)
 		}
 	}
-return &World{Width: w, Height: h, Depth: d, Grid: grid}
+	return &World{Width: w, Height: h, Depth: d, Grid: grid, PortalTrigger: ""}
+}
+
+func (w *World) GetEntityAt(x, y, z int) Entity {
+	if x < 0 || x >= w.Width || y < 0 || y >= w.Height || z < 0 || z >= w.Depth {
+		return nil
+	}
+	return w.Grid[x][y][z]
+}
+
+func (w *World) SetEntityAt(x, y, z int, e Entity) {
+	if x < 0 || x >= w.Width || y < 0 || y >= w.Height || z < 0 || z >= w.Depth {
+		return
+	}
+	w.Grid[x][y][z] = e
+	if e != nil {
+		e.SetPos(mgl64.Vec3{float64(x), float64(y), float64(z)})
+	}
+}
+
+// Convert absolute 3D position to Grid index
+func ToGridIndex(pos mgl64.Vec3) (int, int, int) {
+	return int(pos[0]/TileSize), int(pos[1]/TileSize), int(pos[2]/TileSize)
+}
+
+type TiledLayer struct {
+	Data   []int  `json:"data"`
+	Height int    `json:"height"`
+	Name   string `json:"name"`
+	Width  int    `json:"width"`
+	Type   string `json:"type"`
+}
+
+type TiledMap struct {
+	Height int          `json:"height"`
+	Width  int          `json:"width"`
+	Layers []TiledLayer `json:"layers"`
+}
+
+type Portal struct {
+	pos       mgl64.Vec3
+	TargetMap string
+}
+func (p *Portal) Pos() mgl64.Vec3       { return p.pos }
+func (p *Portal) SetPos(pos mgl64.Vec3) { p.pos = pos }
+func (p *Portal) IsBlocking() bool      { return false }
+func (p *Portal) IsMovable() bool       { return false }
+func (p *Portal) Move(dx, dy, dz float64) {}
+func (p *Portal) Damage(amount int)     {}
+func (p *Portal) Pickup() bool          { return false }
+func (p *Portal) GetHealth() int        { return 100 }
+func (p *Portal) DrawSide(screen interface{}, x, y float64) {}
+func (p *Portal) DrawTop(screen interface{}, x, y float64)  {}
+
+// Ladda en värld från Tiled Export (.tmj)
+func LoadWorldFromTiled(tmjPath string) (*World, error) {
+	fileData, err := os.ReadFile(tmjPath)
+	if err != nil {
+		return nil, fmt.Errorf("kunde inte lasa map %s: %v", tmjPath, err)
+	}
+
+	var tMap TiledMap
+	if err := json.Unmarshal(fileData, &tMap); err != nil {
+		return nil, err
+	}
+
+	w := NewWorld(tMap.Width, 10, tMap.Height) // 10 i djup(height y), tileHeight z = height i Json
+	
+	tile12, _, _ := ebitenutil.NewImageFromFile("assets/images/1 Tiles/Tile_12.png") 
+	tile02, _, _ := ebitenutil.NewImageFromFile("assets/images/1 Tiles/Tile_02.png") 
+	tile31, _, _ := ebitenutil.NewImageFromFile("assets/images/1 Tiles/Tile_31.png")
+
+	for _, layer := range tMap.Layers {
+		if layer.Type != "tilelayer" {
+			continue
+		}
+		
+		var yLevel int
+		fmt.Sscanf(layer.Name, "Y%d", &yLevel)
+		if yLevel < 0 || yLevel >= 10 {
+			continue
+		}
+
+		for i, tileID := range layer.Data {
+			if tileID == 0 {
+				continue
+			}
+			x := i % layer.Width
+			z := i / layer.Width
+
+			var ent Entity
+
+			if tileID == 3 { // Portal ID 
+				target := "room2"
+				if tmjPath == "mapp-maker/room2.tmj" {
+					target = "room1"
+				}
+				ent = &Portal{ TargetMap: target }
+			} else {
+				// Mark 
+				if yLevel < 9 { 
+					ent = &Tile{ SideImg: tile12, TopImg: tile12 } 
+				} else {
+					ent = &Tile{ SideImg: tile02, TopImg: tile31 }
+				}
+			}
+
+			w.SetEntityAt(x, yLevel, z, ent)
+		}
+	}
+
+	return w, nil
+}package entities
+
+import (
+"encoding/json"
+"fmt"
+"log"
+"os"
+
+"github.com/go-gl/mathgl/mgl64"
+"github.com/hajimehoshi/ebiten/v2"
+"github.com/hajimehoshi/ebiten/v2/ebitenutil"
+)
+
+const (
+TileSize = 32.0 // Varje block ar 32x32 world units
+)
+
+type World struct {
+Width, Height, Depth int
+Grid                 [][][]Entity
+PortalTrigger        string // Håller reda på om vi ska byta rum
+}
+
+func NewWorld(w, h, d int) *World {
+grid := make([][][]Entity, w)
+for x := 0; x < w; x++ {
+grid[x] = make([][]Entity, h)
+for y := 0; y < h; y++ {
+grid[x][y] = make([]Entity, d)
+}
+}
+return &World{Width: w, Height: h, Depth: d, Grid: grid, PortalTrigger: ""}
 }
 
 func (w *World) GetEntityAt(x, y, z int) Entity {
@@ -43,3 +194,93 @@ e.SetPos(mgl64.Vec3{float64(x), float64(y), float64(z)})
 func ToGridIndex(pos mgl64.Vec3) (int, int, int) {
 return int(pos[0]), int(pos[1]), int(pos[2])
 }
+
+type TiledLayer struct {
+Data   []int  `json:"data"`
+Height int    `json:"height"`
+Name   string `json:"name"`
+Width  int    `json:"width"`
+Type   string `json:"type"`
+}
+
+type TiledMap struct {
+Height int          `json:"height"`
+Width  int          `json:"width"`
+Layers []TiledLayer `json:"layers"`
+}
+
+type Portal struct {
+pos       mgl64.Vec3
+TargetMap string
+}
+func (p *Portal) Pos() mgl64.Vec3       { return p.pos }
+func (p *Portal) SetPos(pos mgl64.Vec3) { p.pos = pos }
+func (p *Portal) IsBlocking() bool      { return false }
+func (p *Portal) IsMovable() bool       { return false }
+func (p *Portal) Move(dx, dy, dz float64) {}
+func (p *Portal) Damage(amount int)     {}
+func (p *Portal) Pickup() bool          { return false }
+func (p *Portal) GetHealth() int        { return 100 }
+func (p *Portal) DrawSide(screen interface{}, x, y float64) {}
+func (p *Portal) DrawTop(screen interface{}, x, y float64)  {}
+
+// Ladda en värld från Tiled Export (.tmj)
+func LoadWorldFromTiled(tmjPath string) (*World, error) {
+fileData, err := os.ReadFile(tmjPath)
+if err != nil {
+return nil, fmt.Errorf("kunde inte lasa map %s: %v", tmjPath, err)
+}
+
+var tMap TiledMap
+if err := json.Unmarshal(fileData, &tMap); err != nil {
+return nil, err
+}
+
+w := NewWorld(tMap.Width, 10, tMap.Height) // 10 i djup(height y), tileHeight z = height i Json
+
+tile12, _, _ := ebitenutil.NewImageFromFile("assets/images/1 Tiles/Tile_12.png") 
+tile02, _, _ := ebitenutil.NewImageFromFile("assets/images/1 Tiles/Tile_02.png") 
+tile31, _, _ := ebitenutil.NewImageFromFile("assets/images/1 Tiles/Tile_31.png")
+
+for _, layer := range tMap.Layers {
+if layer.Type != "tilelayer" {
+continue
+}
+
+var yLevel int
+fmt.Sscanf(layer.Name, "Y%d", &yLevel)
+if yLevel < 0 || yLevel >= 10 {
+continue
+}
+
+for i, tileID := range layer.Data {
+if tileID == 0 {
+continue
+}
+x := i % layer.Width
+z := i / layer.Width
+
+var ent Entity
+
+if tileID == 3 { // Portal ID 
+log.Println("Hittade portal vid", x, yLevel, z)
+target := "room2"
+if tmjPath == "mapp-maker/room2.tmj" {
+target = "room1"
+}
+ent = &Portal{ TargetMap: target }
+} else {
+// Mark 
+if yLevel < 9 { 
+ent = &Tile{ SideImg: tile12, TopImg: tile12 } 
+} else {
+ent = &Tile{ SideImg: tile02, TopImg: tile31 }
+}
+}
+
+w.SetEntityAt(x, yLevel, z, ent)
+}
+}
+
+return w, nil
+}

internal/scenes/play.go

@@ -46,25 +46,10 @@ type PlayScene struct {
 }
 
 func NewPlayScene() *PlayScene {
-	w := entities.NewWorld(10, 10, 10)
+	w, err := entities.LoadWorldFromTiled("mapp-maker/room1.tmj")
-
+	if err != nil {
-	tile12, _, _ := ebitenutil.NewImageFromFile("assets/images/1 Tiles/Tile_12.png") 
+		log.Println("Kunde inte ladda room1:", err)
-	tile02, _, _ := ebitenutil.NewImageFromFile("assets/images/1 Tiles/Tile_02.png") 
+		w = entities.NewWorld(100, 10, 100) // Fallback tom värd om JSON saknas
-	tile31, _, _ := ebitenutil.NewImageFromFile("assets/images/1 Tiles/Tile_31.png")
-
-	for x := 0; x < 10; x++ {
-		for z := 0; z < 10; z++ {
-			// Surface grass
-			w.SetEntityAt(x, 9, z, &entities.Tile{
-				SideImg: tile02,
-				TopImg:  tile31,
-			})
-			// Sub dirt
-			w.SetEntityAt(x, 8, z, &entities.Tile{
-				SideImg: tile12,
-				TopImg:  tile12,
-			})
-		}
 	}
 
 	pRun, _, err := ebitenutil.NewImageFromFile("assets/images/Warrior_1/Run.png")
@@ -77,13 +62,13 @@ func NewPlayScene() *PlayScene {
 		pIdle = pRun
 	}
 
-	pTop := ebiten.NewImage(32, 32)
+	pTop := ebiten.NewImage(96, 96)
 	pTop.Fill(color.RGBA{255, 255, 0, 255})
 
 	player := &Player{
-		Pos:         mgl64.Vec3{4.0 * entities.TileSize, 7.0 * entities.TileSize, 4.0 * entities.TileSize},
+		Pos:         mgl64.Vec3{50.0 * entities.TileSize, 6.0 * entities.TileSize, 50.0 * entities.TileSize},
-		Width:       20,
+		Width:       96,
-		Height:      40,
+		Height:      96,
 		SpriteRun:   pRun,
 		SpriteIdle:  pIdle,
 		SpriteTop:   pTop,
@@ -154,6 +139,22 @@ func (s *PlayScene) Update() error {
 	p.Pos[1] = nextY
 	p.Pos[2] = nextZ
 
+	// Kolla ifall vi står på en portal
+	standEnt := s.world.GetEntityAt(gridX, gridY, gridZ)
+	if prt, ok := standEnt.(*entities.Portal); ok {
+		log.Println("Byter rum till: ", prt.TargetMap)
+		newW, err := entities.LoadWorldFromTiled("mapp-maker/" + prt.TargetMap + ".tmj")
+		if err == nil {
+			s.world = newW
+			// Reset player position for new map
+			if prt.TargetMap == "room1" {
+				p.Pos = mgl64.Vec3{80.0 * entities.TileSize, 6.0 * entities.TileSize, 10.0 * entities.TileSize}
+			} else {
+				p.Pos = mgl64.Vec3{40.0 * entities.TileSize, 6.0 * entities.TileSize, 65.0 * entities.TileSize}
+			}
+		}
+	}
+
 	if isMoving {
 		p.AnimationCounter++
 		if p.AnimationCounter > 5 {
@@ -244,8 +245,8 @@ func (s *PlayScene) drawPlayerSide(screen *ebiten.Image, camX, camY float64) {
 		op.GeoM.Translate(96, 0)
 	}
 
-	drawX := p.Pos[0] - camX - 38
+	drawX := p.Pos[0] - camX 
-	drawY := p.Pos[1] - camY - 56
+	drawY := p.Pos[1] - camY 
 
 	op.GeoM.Translate(drawX, drawY)
 	screen.DrawImage(subImg, op)

mapp-maker/R.M.O.T.tiled-project

@@ -0,0 +1,14 @@
+{
+    "automappingRulesFile": "",
+    "commands": [
+    ],
+    "compatibilityVersion": 1100,
+    "extensionsPath": "extensions",
+    "folders": [
+        "."
+    ],
+    "properties": [
+    ],
+    "propertyTypes": [
+    ]
+}

mapp-maker/R.M.O.T.tiled-session

@@ -0,0 +1,18 @@
+{
+    "activeFile": "",
+    "expandedProjectPaths": [
+    ],
+    "fileStates": {
+        "start.tsx": {
+            "dynamicWrapping": true
+        }
+    },
+    "last.imagePath": "/home/brasse/repos/Regin_mountain_of_treasures/assets/images/1 Tiles",
+    "openFiles": [
+    ],
+    "project": "R.M.O.T.tiled-project",
+    "recentFiles": [
+    ],
+    "tileset.lastUsedFormat": "tsx",
+    "tileset.type": 1
+}

mapp-maker/start.tsx

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<tileset version="1.10" tiledversion="1.12.1" name="start" class="ground_1" tilewidth="32" tileheight="32" tilecount="1" columns="0">
+ <tile id="0">
+  <image source="../assets/images/1 Tiles/Tile_31.png" width="32" height="32"/>
+ </tile>
+</tileset>

mapp-maker/tileset.tsj

@@ -0,0 +1,12 @@
+{
+  "columns": 1,
+  "image": "../assets/images/1 Tiles/Tile_12.png",
+  "imageheight": 32,
+  "imagewidth": 32,
+  "name": "MainTileset",
+  "tilecount": 1,
+  "tileheight": 32,
+  "tilewidth": 32,
+  "type": "tileset",
+  "version": "1.9"
+}