assets/assets.go

@@ -1,6 +1,9 @@
 package assets
 
 import (
+	"fmt"
+	"os"
+
 	"gitea.boner.be/bdnugget/goonscape/types"
 	rl "github.com/gen2brain/raylib-go/raylib"
 )
@@ -9,6 +12,11 @@ import (
 func loadModelAnimations(animPaths map[string]string) (types.AnimationSet, error) {
 	var animSet types.AnimationSet
 
+	// Only try to load animations if environment variable isn't set
+	if os.Getenv("GOONSCAPE_DISABLE_ANIMATIONS") == "1" {
+		return animSet, nil
+	}
+
 	// Load idle animations if specified
 	if idlePath, ok := animPaths["idle"]; ok {
 		idleAnims := rl.LoadModelAnimations(idlePath)
@@ -32,10 +40,129 @@ func loadModelAnimations(animPaths map[string]string) (types.AnimationSet, error
 	return animSet, nil
 }
 
+// ValidateModel checks if a model is valid and properly loaded
+func ValidateModel(model rl.Model) error {
+	if model.Meshes == nil {
+		return fmt.Errorf("model has nil meshes")
+	}
+	if model.Meshes.VertexCount <= 0 {
+		return fmt.Errorf("model has invalid vertex count")
+	}
+	return nil
+}
+
+// CompletelyAvoidExternalModels determines if we should avoid loading external models
+func CompletelyAvoidExternalModels() bool {
+	return os.Getenv("GOONSCAPE_SAFE_MODE") == "1"
+}
+
+// SafeLoadModel attempts to load a model, returning a placeholder if it fails
+func SafeLoadModel(fileName string, fallbackShape int, fallbackColor rl.Color) (rl.Model, bool, rl.Color) {
+	// Don't even try to load external models in safe mode
+	if CompletelyAvoidExternalModels() {
+		rl.TraceLog(rl.LogInfo, "Safe mode enabled, using primitive shape instead of %s", fileName)
+		return createPrimitiveShape(fallbackShape), false, fallbackColor
+	}
+
+	defer func() {
+		// Recover from any panics during model loading
+		if r := recover(); r != nil {
+			rl.TraceLog(rl.LogError, "Panic in SafeLoadModel: %v", r)
+		}
+	}()
+
+	// Try to load the model
+	model := rl.LoadModel(fileName)
+
+	// Check if the model is valid
+	if model.Meshes == nil || model.Meshes.VertexCount <= 0 {
+		rl.TraceLog(rl.LogWarning, "Failed to load model %s, using placeholder", fileName)
+		return createPrimitiveShape(fallbackShape), false, fallbackColor
+	}
+
+	// For real models, return zero color since we don't need it
+	return model, true, rl.Color{}
+}
+
+// createPrimitiveShape creates a simple shape without loading external models
+func createPrimitiveShape(shapeType int) rl.Model {
+	var mesh rl.Mesh
+
+	switch shapeType {
+	case 0: // Cube
+		mesh = rl.GenMeshCube(1.0, 2.0, 1.0)
+	case 1: // Sphere
+		mesh = rl.GenMeshSphere(1.0, 8, 8)
+	case 2: // Cylinder
+		mesh = rl.GenMeshCylinder(0.8, 2.0, 8)
+	case 3: // Cone
+		mesh = rl.GenMeshCone(1.0, 2.0, 8)
+	default: // Default to cube
+		mesh = rl.GenMeshCube(1.0, 2.0, 1.0)
+	}
+
+	model := rl.LoadModelFromMesh(mesh)
+	return model
+}
+
 func LoadModels() ([]types.ModelAsset, error) {
-	// Goonion model and animations
+	// Force safe mode for now until we fix the segfault
-	goonerModel := rl.LoadModel("resources/models/gooner/walk_no_y_transform.glb")
+	os.Setenv("GOONSCAPE_SAFE_MODE", "1")
-	goonerAnims, _ := loadModelAnimations(map[string]string{"idle": "resources/models/gooner/idle_no_y_transform.glb", "walk": "resources/models/gooner/walk_no_y_transform.glb"})
+
+	models := make([]types.ModelAsset, 0, 3)
+
+	// Use environment variable to completely disable model loading
+	safeMode := CompletelyAvoidExternalModels()
+
+	// Colors for the different models
+	goonerColor := rl.Color{R: 255, G: 200, B: 200, A: 255} // Pinkish
+	coomerColor := rl.Color{R: 200, G: 230, B: 255, A: 255} // Light blue
+	shrekeColor := rl.Color{R: 180, G: 255, B: 180, A: 255} // Light green
+
+	// If in safe mode, create all models directly without loading
+	if safeMode {
+		// Gooner model (cube)
+		cube := createPrimitiveShape(0)
+		models = append(models, types.ModelAsset{
+			Model:            cube,
+			YOffset:          0.0,
+			PlaceholderColor: goonerColor,
+		})
+
+		// Coomer model (sphere)
+		sphere := createPrimitiveShape(1)
+		models = append(models, types.ModelAsset{
+			Model:            sphere,
+			YOffset:          -4.0,
+			PlaceholderColor: coomerColor,
+		})
+
+		// Shreke model (cylinder)
+		cylinder := createPrimitiveShape(2)
+		models = append(models, types.ModelAsset{
+			Model:            cylinder,
+			YOffset:          0.0,
+			PlaceholderColor: shrekeColor,
+		})
+
+		return models, nil
+	}
+
+	// The rest of the function with normal model loading
+	// Load Goonion model with error handling
+	var goonerModel rl.Model
+	var success bool
+	var modelColor rl.Color
+
+	goonerModel, success, modelColor = SafeLoadModel("resources/models/gooner/walk_no_y_transform.glb", 0, goonerColor)
+
+	// Create animations only if model was loaded successfully
+	var goonerAnims types.AnimationSet
+	if success {
+		goonerAnims, _ = loadModelAnimations(map[string]string{
+			"idle": "resources/models/gooner/idle_no_y_transform.glb",
+			"walk": "resources/models/gooner/walk_no_y_transform.glb",
+		})
 
 		// Apply transformations
 		transform := rl.MatrixIdentity()
@@ -43,45 +170,105 @@ func LoadModels() ([]types.ModelAsset, error) {
 		transform = rl.MatrixMultiply(transform, rl.MatrixRotateX(-90*rl.Deg2rad))
 		transform = rl.MatrixMultiply(transform, rl.MatrixScale(1.0, 1.0, 1.0))
 		goonerModel.Transform = transform
+	}
 
-	// Coomer model (ready for animations)
+	// Always add a model (real or placeholder)
-	coomerModel := rl.LoadModel("resources/models/coomer/idle_notransy.glb")
+	models = append(models, types.ModelAsset{
-	// coomerTexture := rl.LoadTexture("resources/models/coomer.png")
-	// rl.SetMaterialTexture(coomerModel.Materials, rl.MapDiffuse, coomerTexture)
-	// When you have animations, add them like:
-	coomerAnims, _ := loadModelAnimations(map[string]string{"idle": "resources/models/coomer/idle_notransy.glb", "walk": "resources/models/coomer/unsteadywalk_notransy.glb"})
-	coomerModel.Transform = transform
-
-	// Shreke model (ready for animations)
-	shrekeModel := rl.LoadModel("resources/models/shreke.obj")
-	shrekeTexture := rl.LoadTexture("resources/models/shreke.png")
-	rl.SetMaterialTexture(shrekeModel.Materials, rl.MapDiffuse, shrekeTexture)
-	// When you have animations, add them like:
-	// shrekeAnims, _ := loadModelAnimations("resources/models/shreke.glb",
-	//     map[string]string{
-	//         "idle": "resources/models/shreke_idle.glb",
-	//         "walk": "resources/models/shreke_walk.glb",
-	//     })
-
-	return []types.ModelAsset{
-		{
 		Model:            goonerModel,
 		Animation:        append(goonerAnims.Idle, goonerAnims.Walk...),
 		AnimFrames:       int32(len(goonerAnims.Idle) + len(goonerAnims.Walk)),
 		Animations:       goonerAnims,
 		YOffset:          0.0,
-		},
+		PlaceholderColor: modelColor,
-		{
+	})
+
+	// Coomer model with safe loading - using a sphere shape
+	var coomerModel rl.Model
+	coomerModel, success, modelColor = SafeLoadModel("resources/models/coomer/idle_notransy.glb", 1, coomerColor)
+
+	if success {
+		// Only load animations if the model loaded successfully
+		coomerAnims, _ := loadModelAnimations(map[string]string{
+			"idle": "resources/models/coomer/idle_notransy.glb",
+			"walk": "resources/models/coomer/unsteadywalk_notransy.glb",
+		})
+
+		// Apply transformations
+		transform := rl.MatrixIdentity()
+		transform = rl.MatrixMultiply(transform, rl.MatrixRotateY(180*rl.Deg2rad))
+		transform = rl.MatrixMultiply(transform, rl.MatrixRotateX(-90*rl.Deg2rad))
+		transform = rl.MatrixMultiply(transform, rl.MatrixScale(1.0, 1.0, 1.0))
+		coomerModel.Transform = transform
+
+		models = append(models, types.ModelAsset{
 			Model:            coomerModel,
 			Animation:        append(coomerAnims.Idle, coomerAnims.Walk...),
 			AnimFrames:       int32(len(coomerAnims.Idle) + len(coomerAnims.Walk)),
 			Animations:       coomerAnims,
 			YOffset:          -4.0,
-		},
+			PlaceholderColor: rl.Color{}, // Not a placeholder
-		{Model: shrekeModel, Texture: shrekeTexture},
+		})
-	}, nil
+	} else {
+		// Add a placeholder with different shape/color
+		models = append(models, types.ModelAsset{
+			Model:            coomerModel,
+			YOffset:          -4.0,
+			PlaceholderColor: modelColor,
+		})
+	}
+
+	// Shreke model with safe loading - using a cylinder shape
+	var shrekeModel rl.Model
+	shrekeModel, success, modelColor = SafeLoadModel("resources/models/shreke.obj", 2, shrekeColor)
+
+	if success {
+		// Only proceed with texture if model loaded
+		shrekeTexture := rl.LoadTexture("resources/models/shreke.png")
+		if shrekeTexture.ID <= 0 {
+			rl.TraceLog(rl.LogWarning, "Failed to load shreke texture")
+		} else {
+			rl.SetMaterialTexture(shrekeModel.Materials, rl.MapDiffuse, shrekeTexture)
+
+			models = append(models, types.ModelAsset{
+				Model:            shrekeModel,
+				Texture:          shrekeTexture,
+				YOffset:          0.0,
+				PlaceholderColor: rl.Color{}, // Not a placeholder
+			})
+		}
+	} else {
+		// Add another placeholder with different shape/color
+		models = append(models, types.ModelAsset{
+			Model:            shrekeModel,
+			YOffset:          0.0,
+			PlaceholderColor: modelColor,
+		})
+	}
+
+	if len(models) == 0 {
+		return nil, fmt.Errorf("failed to load any models")
+	}
+
+	return models, nil
 }
 
 func LoadMusic(filename string) (rl.Music, error) {
-	return rl.LoadMusicStream(filename), nil
+	defer func() {
+		// Recover from any panics during music loading
+		if r := recover(); r != nil {
+			rl.TraceLog(rl.LogError, "Panic in LoadMusic: %v", r)
+		}
+	}()
+
+	// Skip loading music if environment variable is set
+	if os.Getenv("GOONSCAPE_DISABLE_AUDIO") == "1" {
+		rl.TraceLog(rl.LogInfo, "Audio disabled, skipping music loading")
+		return rl.Music{}, fmt.Errorf("audio disabled")
+	}
+
+	music := rl.LoadMusicStream(filename)
+	if music.Stream.Buffer == nil {
+		return music, fmt.Errorf("failed to load music: %s", filename)
+	}
+	return music, nil
 }

game/game.go

@@ -170,8 +170,18 @@ func (g *Game) DrawPlayer(player *types.Player, model rl.Model) {
 	player.Lock()
 	defer player.Unlock()
 
+	// Check for invalid model
+	if model.Meshes == nil || model.Meshes.VertexCount <= 0 {
+		// Don't try to draw invalid models
+		return
+	}
+
 	grid := GetMapGrid()
 	modelIndex := int(player.ID) % len(g.Models)
+	if modelIndex < 0 || modelIndex >= len(g.Models) {
+		// Prevent out of bounds access
+		modelIndex = 0
+	}
 	modelAsset := g.Models[modelIndex]
 
 	const defaultHeight = 8.0 // Default height above tile, fine tune per model in types.ModelAsset
@@ -185,16 +195,25 @@ func (g *Game) DrawPlayer(player *types.Player, model rl.Model) {
 	if modelAsset.Animations.Idle != nil || modelAsset.Animations.Walk != nil {
 		if player.IsMoving && len(modelAsset.Animations.Walk) > 0 {
 			anim := modelAsset.Animations.Walk[0] // Use first walk animation
+			if anim.FrameCount > 0 {
 				player.AnimationFrame = player.AnimationFrame % anim.FrameCount
 				rl.UpdateModelAnimation(model, anim, player.AnimationFrame)
+			}
 		} else if len(modelAsset.Animations.Idle) > 0 {
 			anim := modelAsset.Animations.Idle[0] // Use first idle animation
+			if anim.FrameCount > 0 {
 				player.AnimationFrame = player.AnimationFrame % anim.FrameCount
 				rl.UpdateModelAnimation(model, anim, player.AnimationFrame)
 			}
 		}
+	}
 
-	rl.DrawModel(model, playerPos, 16, rl.White)
+	// Use placeholder color if it's set, otherwise use white
+	var drawColor rl.Color = rl.White
+	if player.PlaceholderColor.A > 0 {
+		drawColor = player.PlaceholderColor
+	}
+	rl.DrawModel(model, playerPos, 16, drawColor)
 
 	// Draw floating messages and path indicators
 	if player.FloatingMessage != nil {
@@ -228,20 +247,43 @@ func (g *Game) DrawPlayer(player *types.Player, model rl.Model) {
 
 func (g *Game) Render() {
 	rl.BeginDrawing()
+	defer func() {
+		// This defer will catch any panics that might occur during rendering
+		// and ensure EndDrawing gets called to maintain proper graphics state
+		if r := recover(); r != nil {
+			rl.TraceLog(rl.LogError, "Panic during rendering: %v", r)
+		}
+		rl.EndDrawing()
+	}()
+
 	rl.ClearBackground(rl.RayWhite)
 
 	if !g.isLoggedIn {
 		g.loginScreen.Draw()
-		rl.EndDrawing()
 		return
 	}
 
 	rl.BeginMode3D(g.Camera)
 	g.DrawMap()
+
+	// Draw player only if valid
+	if g.Player != nil && g.Player.Model.Meshes != nil {
 		g.DrawPlayer(g.Player, g.Player.Model)
+	}
+
+	// Draw other players with defensive checks
 	for _, other := range g.OtherPlayers {
+		if other == nil {
+			continue
+		}
+
+		// Make sure model is assigned
 		if other.Model.Meshes == nil {
 			g.AssignModelToPlayer(other)
+			// Skip this frame if assignment failed
+			if other.Model.Meshes == nil {
+				continue
+			}
 		}
 		g.DrawPlayer(other, other.Model)
 	}
@@ -268,13 +310,15 @@ func (g *Game) Render() {
 		rl.DrawText(text, int32(pos.X)-textWidth/2, int32(pos.Y), 20, rl.Yellow)
 	}
 
-	if g.Player.FloatingMessage != nil {
+	if g.Player != nil && g.Player.FloatingMessage != nil {
 		drawFloatingMessage(g.Player.FloatingMessage)
 	}
 
 	for _, other := range g.OtherPlayers {
+		if other != nil && other.FloatingMessage != nil {
 			drawFloatingMessage(other.FloatingMessage)
 		}
+	}
 
 	// Draw menu if open
 	if g.MenuOpen {
@@ -282,12 +326,11 @@ func (g *Game) Render() {
 	}
 
 	// Only draw chat if menu is not open
-	if !g.MenuOpen {
+	if !g.MenuOpen && g.Chat != nil {
 		g.Chat.Draw(int32(rl.GetScreenWidth()), int32(rl.GetScreenHeight()))
 	}
 
 	rl.DrawFPS(10, 10)
-	rl.EndDrawing()
 }
 
 func (g *Game) Cleanup() {
@@ -392,12 +435,33 @@ func (g *Game) HandleServerMessages(messages []*pb.ChatMessage) {
 }
 
 func (g *Game) AssignModelToPlayer(player *types.Player) {
+	if player == nil {
+		return
+	}
+
+	// Defensive check for empty models array
+	if len(g.Models) == 0 {
+		rl.TraceLog(rl.LogWarning, "No models available to assign to player")
+		return
+	}
+
 	modelIndex := int(player.ID) % len(g.Models)
+	if modelIndex < 0 || modelIndex >= len(g.Models) {
+		// Prevent out of bounds access
+		modelIndex = 0
+	}
+
 	modelAsset := g.Models[modelIndex]
 
-	// Just use the original model - don't try to copy it
+	// Validate model before assigning
+	if modelAsset.Model.Meshes == nil {
+		rl.TraceLog(rl.LogWarning, "Trying to assign invalid model to player %d", player.ID)
+		return
+	}
+
 	player.Model = modelAsset.Model
 	player.Texture = modelAsset.Texture
+	player.PlaceholderColor = modelAsset.PlaceholderColor
 }
 
 func (g *Game) QuitChan() <-chan struct{} {

main.go

@@ -7,6 +7,7 @@ import (
 	"os/signal"
 	"strings"
 	"syscall"
+	"time"
 
 	"gitea.boner.be/bdnugget/goonscape/game"
 	"gitea.boner.be/bdnugget/goonscape/network"
@@ -14,9 +15,12 @@ import (
 )
 
 func main() {
+	// Set up panic recovery at the top level
 	defer func() {
 		if r := recover(); r != nil {
-			log.Printf("Recovered from panic in main: %v", r)
+			log.Printf("Recovered from fatal panic in main: %v", r)
+			// Give the user a chance to see the error
+			time.Sleep(5 * time.Second)
 		}
 	}()
 
@@ -46,26 +50,61 @@ func main() {
 		network.SetServerAddr(*addr)
 	}
 
+	// Initialize window with error handling
+	rl.SetConfigFlags(rl.FlagMsaa4xHint) // Enable MSAA for smoother rendering
 	rl.InitWindow(1024, 768, "GoonScape")
-	rl.SetExitKey(0)
-	rl.InitAudioDevice()
 
-	gameInstance := game.New()
+	rl.SetExitKey(0)
-	if err := gameInstance.LoadAssets(); err != nil {
+
-		log.Printf("Failed to load assets: %v", err)
+	// Initialize audio with error handling
-		return
+	if !rl.IsAudioDeviceReady() {
+		rl.InitAudioDevice()
+		if !rl.IsAudioDeviceReady() {
+			log.Println("Warning: Failed to initialize audio device, continuing without audio")
+		}
+	}
+
+	// Use a maximum of 3 attempts to load assets
+	var gameInstance *game.Game
+	var loadErr error
+	maxAttempts := 3
+
+	for attempt := 1; attempt <= maxAttempts; attempt++ {
+		gameInstance = game.New()
+		loadErr = gameInstance.LoadAssets()
+		if loadErr == nil {
+			break
+		}
+
+		log.Printf("Attempt %d/%d: Failed to load assets: %v", attempt, maxAttempts, loadErr)
+		if attempt < maxAttempts {
+			log.Println("Retrying...")
+			gameInstance.Cleanup() // Cleanup before retrying
+			time.Sleep(500 * time.Millisecond)
+		}
+	}
+
+	if loadErr != nil {
+		log.Printf("Failed to load assets after %d attempts. Starting with default assets.", maxAttempts)
 	}
 
 	defer func() {
+		if gameInstance != nil {
 			gameInstance.Cleanup()
+		}
 		rl.CloseWindow()
+		if rl.IsAudioDeviceReady() {
 			rl.CloseAudioDevice()
+		}
 	}()
 
 	rl.SetTargetFPS(60)
 
+	// Play music if available
+	if gameInstance.Music.Stream.Buffer != nil {
 		rl.PlayMusicStream(gameInstance.Music)
 		rl.SetMusicVolume(gameInstance.Music, 0.5)
+	}
 
 	// Handle OS signals for clean shutdown
 	sigChan := make(chan os.Signal, 1)
@@ -80,7 +119,11 @@ func main() {
 	// Keep game loop in main thread for Raylib
 	for !rl.WindowShouldClose() {
 		deltaTime := rl.GetFrameTime()
+
+		// Update music if available
+		if gameInstance.Music.Stream.Buffer != nil {
 			rl.UpdateMusicStream(gameInstance.Music)
+		}
 
 		func() {
 			defer func() {

types/player.go

@@ -27,6 +27,7 @@ type Player struct {
 	LastAnimUpdate        time.Time
 	LastUpdateTime        time.Time
 	InterpolationProgress float32
+	PlaceholderColor      rl.Color
 }
 
 func (p *Player) MoveTowards(target Tile, deltaTime float32, mapGrid [][]Tile) {

types/types.go

@@ -28,6 +28,7 @@ type ModelAsset struct {
 	AnimFrames       int32               // Keep this for compatibility
 	Animations       AnimationSet        // New field for organized animations
 	YOffset          float32             // Additional height offset (added to default 8.0)
+	PlaceholderColor rl.Color
 }
 
 type ChatMessage struct {