Reorganize code

game/game.go

@@ -0,0 +1,168 @@
+package game
+
+import (
+	"gitea.boner.be/bdnugget/goonscape/assets"
+	"gitea.boner.be/bdnugget/goonscape/types"
+	pb "gitea.boner.be/bdnugget/goonserver/actions"
+	rl "github.com/gen2brain/raylib-go/raylib"
+)
+
+type Game struct {
+	Player       *types.Player
+	OtherPlayers map[int32]*types.Player
+	Camera       rl.Camera3D
+	Models       []types.ModelAsset
+	Music        rl.Music
+}
+
+func New() *Game {
+	InitWorld()
+	game := &Game{
+		Player: &types.Player{
+			PosActual:  rl.NewVector3(5*types.TileSize, 0, 5*types.TileSize),
+			PosTile:    GetTile(5, 5),
+			Speed:      50.0,
+			TargetPath: []types.Tile{},
+		},
+		OtherPlayers: make(map[int32]*types.Player),
+		Camera: rl.Camera3D{
+			Position:   rl.NewVector3(0, 10, 10),
+			Target:     rl.NewVector3(0, 0, 0),
+			Up:         rl.NewVector3(0, 1, 0),
+			Fovy:       45.0,
+			Projection: rl.CameraPerspective,
+		},
+	}
+	return game
+}
+
+func (g *Game) LoadAssets() error {
+	var err error
+	g.Models, err = assets.LoadModels()
+	if err != nil {
+		return err
+	}
+
+	g.Music, err = assets.LoadMusic("resources/audio/GoonScape2.mp3")
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (g *Game) Update(deltaTime float32) {
+	g.HandleInput()
+
+	if len(g.Player.TargetPath) > 0 {
+		g.Player.MoveTowards(g.Player.TargetPath[0], deltaTime, GetMapGrid())
+	}
+
+	for _, other := range g.OtherPlayers {
+		if len(other.TargetPath) > 0 {
+			other.MoveTowards(other.TargetPath[0], deltaTime, GetMapGrid())
+		}
+	}
+
+	UpdateCamera(&g.Camera, g.Player.PosActual, deltaTime)
+}
+
+func (g *Game) DrawMap() {
+	for x := 0; x < types.MapWidth; x++ {
+		for y := 0; y < types.MapHeight; y++ {
+			height := GetTileHeight(x, y)
+
+			// Interpolate height for smoother landscape
+			if x > 0 {
+				height += GetTileHeight(x-1, y)
+			}
+			if y > 0 {
+				height += GetTileHeight(x, y-1)
+			}
+			if x > 0 && y > 0 {
+				height += GetTileHeight(x-1, y-1)
+			}
+			height /= 4.0
+
+			tilePos := rl.Vector3{
+				X: float32(x * types.TileSize),
+				Y: height * types.TileHeight,
+				Z: float32(y * types.TileSize),
+			}
+			color := rl.Color{R: uint8(height * 25), G: 100, B: 100, A: 64}
+			rl.DrawCube(tilePos, types.TileSize, types.TileHeight, types.TileSize, color)
+		}
+	}
+}
+
+func (g *Game) DrawPlayer(player *types.Player, model rl.Model) {
+	player.Lock()
+	defer player.Unlock()
+
+	grid := GetMapGrid()
+	playerPos := rl.Vector3{
+		X: player.PosActual.X,
+		Y: grid[player.PosTile.X][player.PosTile.Y].Height*types.TileHeight + 16.0,
+		Z: player.PosActual.Z,
+	}
+
+	rl.DrawModel(model, playerPos, 16, rl.White)
+
+	if len(player.TargetPath) > 0 {
+		targetTile := player.TargetPath[len(player.TargetPath)-1]
+		targetPos := rl.Vector3{
+			X: float32(targetTile.X * types.TileSize),
+			Y: grid[targetTile.X][targetTile.Y].Height * types.TileHeight,
+			Z: float32(targetTile.Y * types.TileSize),
+		}
+		rl.DrawCubeWires(targetPos, types.TileSize, types.TileHeight, types.TileSize, rl.Green)
+
+		nextTile := player.TargetPath[0]
+		nextPos := rl.Vector3{
+			X: float32(nextTile.X * types.TileSize),
+			Y: grid[nextTile.X][nextTile.Y].Height * types.TileHeight,
+			Z: float32(nextTile.Y * types.TileSize),
+		}
+		rl.DrawCubeWires(nextPos, types.TileSize, types.TileHeight, types.TileSize, rl.Yellow)
+	}
+}
+
+func (g *Game) Render() {
+	rl.BeginDrawing()
+	rl.ClearBackground(rl.RayWhite)
+	rl.BeginMode3D(g.Camera)
+
+	g.DrawMap()
+	g.DrawPlayer(g.Player, g.Player.Model)
+
+	for id, other := range g.OtherPlayers {
+		g.DrawPlayer(other, g.Models[int(id)%len(g.Models)].Model)
+	}
+
+	rl.EndMode3D()
+	rl.DrawFPS(10, 10)
+	rl.EndDrawing()
+}
+
+func (g *Game) Cleanup() {
+	assets.UnloadModels(g.Models)
+	assets.UnloadMusic(g.Music)
+}
+
+func (g *Game) HandleInput() {
+	clickedTile, clicked := g.GetTileAtMouse()
+	if clicked {
+		path := FindPath(GetTile(g.Player.PosTile.X, g.Player.PosTile.Y), clickedTile)
+		if path != nil && len(path) > 1 {
+			g.Player.Lock()
+			g.Player.TargetPath = path[1:]
+			g.Player.ActionQueue = append(g.Player.ActionQueue, &pb.Action{
+				Type:     pb.Action_MOVE,
+				X:        int32(clickedTile.X),
+				Y:        int32(clickedTile.Y),
+				PlayerId: g.Player.ID,
+			})
+			g.Player.Unlock()
+		}
+	}
+}