6 Commits

Author SHA1 Message Date
5c5040cd42 Fix OOB and refactor 2024-10-31 01:06:39 +01:00
2b9ece3c10 aint workin yet, commiting so I have a diff to return to 2024-10-11 22:47:47 +02:00
4bfb5af362 shreke 2024-10-11 21:30:29 +02:00
c7f7c083b1 Different model per player 2024-10-11 15:58:28 +02:00
1c42ec2802 Add LICENSE 2024-10-11 13:46:29 +00:00
7ab75e8128 Merge pull request 'Fuck yeah server is working :D' (#1) from feature/multiplayer into master
Reviewed-on: #1
2024-10-11 12:49:31 +00:00
19 changed files with 210656 additions and 466 deletions

11
LICENSE Normal file
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@ -0,0 +1,11 @@
“Commons Clause” License Condition v1.0
The Software is provided to you by the Licensor under the License, as defined below, subject to the following condition.
Without limiting other conditions in the License, the grant of rights under the License will not include, and the License does not grant to you, right to Sell the Software.
For purposes of the foregoing, “Sell” means practicing any or all of the rights granted to you under the License to provide to third parties, for a fee or other consideration (including without limitation fees for hosting or consulting/ support services related to the Software), a product or service whose value derives, entirely or substantially, from the functionality of the Software. Any license notice or attribution required by the License must also include this Commons Cause License Condition notice.
Software: GoonScape
License: Commons Clause v1.0
Licensor: bdnugget

54
camera.go Normal file
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@ -0,0 +1,54 @@
package main
import (
"math"
rl "github.com/gen2brain/raylib-go/raylib"
)
func UpdateCamera(camera *rl.Camera3D, player rl.Vector3, deltaTime float32) {
// Update camera based on mouse wheel
wheelMove := rl.GetMouseWheelMove()
if wheelMove != 0 {
cameraDistance += -wheelMove * 5
if cameraDistance < 10 {
cameraDistance = 10
}
if cameraDistance > 250 {
cameraDistance = 250
}
}
// Orbit camera around the player using arrow keys
if rl.IsKeyDown(rl.KeyRight) {
cameraYaw += 100 * deltaTime
}
if rl.IsKeyDown(rl.KeyLeft) {
cameraYaw -= 100 * deltaTime
}
if rl.IsKeyDown(rl.KeyUp) {
cameraPitch -= 50 * deltaTime
if cameraPitch < 20 {
cameraPitch = 20
}
}
if rl.IsKeyDown(rl.KeyDown) {
cameraPitch += 50 * deltaTime
if cameraPitch > 85 {
cameraPitch = 85
}
}
// Calculate the new camera position using spherical coordinates
cameraYawRad := float64(cameraYaw) * rl.Deg2rad
cameraPitchRad := float64(cameraPitch) * rl.Deg2rad
cameraPos := rl.Vector3{
X: player.X + cameraDistance*float32(math.Cos(cameraYawRad))*float32(math.Cos(cameraPitchRad)),
Y: player.Y + cameraDistance*float32(math.Sin(cameraPitchRad)),
Z: player.Z + cameraDistance*float32(math.Sin(cameraYawRad))*float32(math.Cos(cameraPitchRad)),
}
// Update the camera's position and target
camera.Position = cameraPos
camera.Target = rl.NewVector3(player.X, player.Y, player.Z)
}

12
constants.go Normal file
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@ -0,0 +1,12 @@
package main
import "time"
const (
MapWidth = 50
MapHeight = 50
TileSize = 32
TileHeight = 2.0
TickRate = 2600 * time.Millisecond // Server tick rate (600ms)
serverAddr = "localhost:6969"
)

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@ -1 +0,0 @@
package utils

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@ -1 +0,0 @@
package utils

2
go.mod
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@ -3,7 +3,7 @@ module goonscape
go 1.23.0
require (
gitea.boner.be/bdnugget/goonserver v0.0.0-20241011122434-4bd5303cfd46
gitea.boner.be/bdnugget/goonserver v0.0.0-20241011195320-f16e8647dc6b
github.com/gen2brain/raylib-go/raylib v0.0.0-20240930075631-c66f9e2942fe
google.golang.org/protobuf v1.35.1
)

4
go.sum
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@ -1,5 +1,5 @@
gitea.boner.be/bdnugget/goonserver v0.0.0-20241011122434-4bd5303cfd46 h1:T2D4QcmvBqzGoHO0VJGNUd1k2lLmUcyg6Rc/vN4/Im8=
gitea.boner.be/bdnugget/goonserver v0.0.0-20241011122434-4bd5303cfd46/go.mod h1:inR1bKrr/vcTba+G1KzmmY6vssMq9oGNOk836VwPa4c=
gitea.boner.be/bdnugget/goonserver v0.0.0-20241011195320-f16e8647dc6b h1:hdhCZH0YGqCsnSl6ru+8I7rxvCyOj5pCtf92urwyruA=
gitea.boner.be/bdnugget/goonserver v0.0.0-20241011195320-f16e8647dc6b/go.mod h1:inR1bKrr/vcTba+G1KzmmY6vssMq9oGNOk836VwPa4c=
github.com/ebitengine/purego v0.8.0 h1:JbqvnEzRvPpxhCJzJJ2y0RbiZ8nyjccVUrSM3q+GvvE=
github.com/ebitengine/purego v0.8.0/go.mod h1:iIjxzd6CiRiOG0UyXP+V1+jWqUXVjPKLAI0mRfJZTmQ=
github.com/gen2brain/raylib-go/raylib v0.0.0-20240930075631-c66f9e2942fe h1:mInjrbJkUglTM7tBmXG+epnPCE744aj15J7vjJwM4gs=

88
input.go Normal file
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@ -0,0 +1,88 @@
package main
import (
"fmt"
rl "github.com/gen2brain/raylib-go/raylib"
)
func GetTileAtMouse(camera *rl.Camera3D) (Tile, bool) {
if !rl.IsMouseButtonPressed(rl.MouseLeftButton) {
return Tile{}, false
}
mouse := rl.GetMousePosition()
ray := rl.GetMouseRay(mouse, *camera)
for x := 0; x < MapWidth; x++ {
for y := 0; y < MapHeight; y++ {
tile := mapGrid[x][y]
// Define the bounding box for each tile based on its position and height
tilePos := rl.NewVector3(float32(x*TileSize), tile.Height*TileHeight, float32(y*TileSize))
boxMin := rl.Vector3Subtract(tilePos, rl.NewVector3(TileSize/2, TileHeight/2, TileSize/2))
boxMax := rl.Vector3Add(tilePos, rl.NewVector3(TileSize/2, TileHeight/2, TileSize/2))
// Check if the ray intersects the bounding box
if RayIntersectsBox(ray, boxMin, boxMax) {
fmt.Println("Clicked:", tile.X, tile.Y)
return tile, true
}
}
}
return Tile{}, false
}
func HandleInput(player *Player, camera *rl.Camera) {
clickedTile, clicked := GetTileAtMouse(camera)
if clicked {
path := FindPath(mapGrid[player.PosTile.X][player.PosTile.Y], clickedTile)
if path != nil {
// Exclude the first tile (current position)
if len(path) > 1 {
player.TargetPath = path[1:]
player.ActionQueue = append(player.ActionQueue, Action{Type: MoveAction, X: clickedTile.X, Y: clickedTile.Y})
}
}
}
}
// Helper function to test ray-box intersection (slab method)
func RayIntersectsBox(ray rl.Ray, boxMin, boxMax rl.Vector3) bool {
tmin := (boxMin.X - ray.Position.X) / ray.Direction.X
tmax := (boxMax.X - ray.Position.X) / ray.Direction.X
if tmin > tmax {
tmin, tmax = tmax, tmin
}
tymin := (boxMin.Z - ray.Position.Z) / ray.Direction.Z
tymax := (boxMax.Z - ray.Position.Z) / ray.Direction.Z
if tymin > tymax {
tymin, tymax = tymax, tymin
}
if (tmin > tymax) || (tymin > tmax) {
return false
}
if tymin > tmin {
tmin = tymin
}
if tymax < tmax {
tmax = tymax
}
tzmin := (boxMin.Y - ray.Position.Y) / ray.Direction.Y
tzmax := (boxMax.Y - ray.Position.Y) / ray.Direction.Y
if tzmin > tzmax {
tzmin, tzmax = tzmax, tzmin
}
if (tmin > tzmax) || (tzmin > tmax) {
return false
}
return true
}

529
main.go
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@ -1,294 +1,24 @@
package main
import (
"fmt"
"log"
"math"
"net"
"time"
pb "gitea.boner.be/bdnugget/goonserver/actions"
rl "github.com/gen2brain/raylib-go/raylib"
"google.golang.org/protobuf/proto"
)
const (
MapWidth = 50
MapHeight = 50
TileSize = 32
TileHeight = 2.0
TickRate = 2600 * time.Millisecond // Server tick rate (600ms)
serverAddr = "localhost:6969"
)
var (
cameraDistance = float32(20.0)
cameraYaw = float32(145.0)
cameraPitch = float32(45.0) // Adjusted for a more overhead view
mapGrid = InitMap()
)
type Tile struct {
X, Y int
Height float32
Walkable bool
}
type ActionType int
const (
MoveAction ActionType = iota
)
type Action struct {
Type ActionType
X, Y int // Target position for movement
}
type Player struct {
PosActual rl.Vector3
PosTile Tile
TargetPath []Tile
Speed float32
ActionQueue []Action // Queue for player actions
}
// Initialize the map with some height data
func InitMap() [][]Tile {
mapGrid := make([][]Tile, MapWidth)
for x := 0; x < MapWidth; x++ {
mapGrid[x] = make([]Tile, MapHeight)
for y := 0; y < MapHeight; y++ {
mapGrid[x][y] = Tile{
X: x,
Y: y,
Height: 1.0 + float32(x%5), // Example height
Walkable: true, // Set to false for obstacles
}
}
}
return mapGrid
}
func DrawMap(mapGrid [][]Tile) {
for x := 0; x < MapWidth; x++ {
for y := 0; y < MapHeight; y++ {
tile := mapGrid[x][y]
// Interpolate height between adjacent tiles for a smoother landscape
height := tile.Height
if x > 0 {
height += mapGrid[x-1][y].Height
}
if y > 0 {
height += mapGrid[x][y-1].Height
}
if x > 0 && y > 0 {
height += mapGrid[x-1][y-1].Height
}
height /= 4.0
// Draw each tile as a 3D cube based on its height
tilePos := rl.Vector3{
X: float32(x * TileSize), // X-axis for horizontal position
Y: height * TileHeight, // Y-axis for height (Z in 3D is Y here)
Z: float32(y * TileSize), // Z-axis for depth (Y in 3D is Z here)
}
color := rl.Color{R: uint8(height * 25), G: 100, B: 100, A: 64}
rl.DrawCube(tilePos, TileSize, TileHeight, TileSize, color) // Draw a cube representing the tile
}
}
}
func DrawPlayer(player Player, model *rl.Model, mapGrid [][]Tile) {
// Draw the player based on its actual position (PosActual) and current tile height
playerPos := rl.Vector3{
X: player.PosActual.X,
Y: mapGrid[player.PosTile.X][player.PosTile.Y].Height*TileHeight + 16.0,
Z: player.PosActual.Z,
}
// rl.DrawCube(playerPos, 16, 16, 16, rl.Green) // Draw player cube
rl.DrawModel(*model, playerPos, 16, rl.White)
// Draw highlight around target tile
if len(player.TargetPath) > 0 {
targetTile := player.TargetPath[len(player.TargetPath)-1] // last tile in the slice
targetPos := rl.Vector3{
X: float32(targetTile.X * TileSize),
Y: mapGrid[targetTile.X][targetTile.Y].Height * TileHeight,
Z: float32(targetTile.Y * TileSize),
}
rl.DrawCubeWires(targetPos, TileSize, TileHeight, TileSize, rl.Green)
nextTile := player.TargetPath[0] // first tile in the slice
nextPos := rl.Vector3{
X: float32(nextTile.X * TileSize),
Y: mapGrid[nextTile.X][nextTile.Y].Height * TileHeight,
Z: float32(nextTile.Y * TileSize),
}
rl.DrawCubeWires(nextPos, TileSize, TileHeight, TileSize, rl.Yellow)
}
}
// Helper function to test ray-box intersection (slab method)
func RayIntersectsBox(ray rl.Ray, boxMin, boxMax rl.Vector3) bool {
tmin := (boxMin.X - ray.Position.X) / ray.Direction.X
tmax := (boxMax.X - ray.Position.X) / ray.Direction.X
if tmin > tmax {
tmin, tmax = tmax, tmin
}
tymin := (boxMin.Z - ray.Position.Z) / ray.Direction.Z
tymax := (boxMax.Z - ray.Position.Z) / ray.Direction.Z
if tymin > tymax {
tymin, tymax = tymax, tymin
}
if (tmin > tymax) || (tymin > tmax) {
return false
}
if tymin > tmin {
tmin = tymin
}
if tymax < tmax {
tmax = tymax
}
tzmin := (boxMin.Y - ray.Position.Y) / ray.Direction.Y
tzmax := (boxMax.Y - ray.Position.Y) / ray.Direction.Y
if tzmin > tzmax {
tzmin, tzmax = tzmax, tzmin
}
if (tmin > tzmax) || (tzmin > tmax) {
return false
}
return true
}
func GetTileAtMouse(mapGrid [][]Tile, camera *rl.Camera3D) (Tile, bool) {
if !rl.IsMouseButtonPressed(rl.MouseLeftButton) {
return Tile{}, false
}
mouse := rl.GetMousePosition()
ray := rl.GetMouseRay(mouse, *camera)
for x := 0; x < MapWidth; x++ {
for y := 0; y < MapHeight; y++ {
tile := mapGrid[x][y]
// Define the bounding box for each tile based on its position and height
tilePos := rl.NewVector3(float32(x*TileSize), tile.Height*TileHeight, float32(y*TileSize))
boxMin := rl.Vector3Subtract(tilePos, rl.NewVector3(TileSize/2, TileHeight/2, TileSize/2))
boxMax := rl.Vector3Add(tilePos, rl.NewVector3(TileSize/2, TileHeight/2, TileSize/2))
// Check if the ray intersects the bounding box
if RayIntersectsBox(ray, boxMin, boxMax) {
fmt.Println("Clicked:", tile.X, tile.Y)
return tile, true
}
}
}
return Tile{}, false
}
func (player *Player) MoveTowards(target Tile, deltaTime float32, mapGrid [][]Tile) {
// Calculate the direction vector to the target tile
targetPos := rl.Vector3{
X: float32(target.X * TileSize),
Y: mapGrid[target.X][target.Y].Height * TileHeight,
Z: float32(target.Y * TileSize),
}
// Calculate direction and normalize it for smooth movement
direction := rl.Vector3Subtract(targetPos, player.PosActual)
distance := rl.Vector3Length(direction)
if distance > 0 {
direction = rl.Vector3Scale(direction, player.Speed*deltaTime/distance)
}
// Move the player towards the target tile
if distance > 1.0 {
player.PosActual = rl.Vector3Add(player.PosActual, direction)
} else {
// Snap to the target tile when close enough
player.PosActual = targetPos
player.PosTile = target // Update player's tile
player.TargetPath = player.TargetPath[1:] // Move to next tile in path if any
}
}
func HandleInput(player *Player, mapGrid [][]Tile, camera *rl.Camera) {
clickedTile, clicked := GetTileAtMouse(mapGrid, camera)
if clicked {
path := FindPath(mapGrid, mapGrid[player.PosTile.X][player.PosTile.Y], clickedTile)
if path != nil {
// Exclude the first tile (current position)
if len(path) > 1 {
player.TargetPath = path[1:]
player.ActionQueue = append(player.ActionQueue, Action{Type: MoveAction, X: clickedTile.X, Y: clickedTile.Y})
}
}
}
}
func UpdateCamera(camera *rl.Camera3D, player rl.Vector3, deltaTime float32) {
// Update camera based on mouse wheel
wheelMove := rl.GetMouseWheelMove()
if wheelMove != 0 {
cameraDistance += -wheelMove * 5
if cameraDistance < 10 {
cameraDistance = 10
}
if cameraDistance > 250 {
cameraDistance = 250
}
}
// Orbit camera around the player using arrow keys
if rl.IsKeyDown(rl.KeyRight) {
cameraYaw += 100 * deltaTime
}
if rl.IsKeyDown(rl.KeyLeft) {
cameraYaw -= 100 * deltaTime
}
if rl.IsKeyDown(rl.KeyUp) {
cameraPitch -= 50 * deltaTime
if cameraPitch < 20 {
cameraPitch = 20
}
}
if rl.IsKeyDown(rl.KeyDown) {
cameraPitch += 50 * deltaTime
if cameraPitch > 85 {
cameraPitch = 85
}
}
// Calculate the new camera position using spherical coordinates
cameraYawRad := float64(cameraYaw) * rl.Deg2rad
cameraPitchRad := float64(cameraPitch) * rl.Deg2rad
cameraPos := rl.Vector3{
X: player.X + cameraDistance*float32(math.Cos(cameraYawRad))*float32(math.Cos(cameraPitchRad)),
Y: player.Y + cameraDistance*float32(math.Sin(cameraPitchRad)),
Z: player.Z + cameraDistance*float32(math.Sin(cameraYawRad))*float32(math.Cos(cameraPitchRad)),
}
// Update the camera's position and target
camera.Position = cameraPos
camera.Target = rl.NewVector3(player.X, player.Y, player.Z)
}
func main() {
rl.InitWindow(1024, 768, "GoonScape")
defer rl.CloseWindow()
rl.InitAudioDevice()
defer rl.CloseAudioDevice()
mapGrid := InitMap()
player := Player{
PosActual: rl.NewVector3(5*TileSize, 0, 5*TileSize),
PosTile: mapGrid[5][5],
@ -309,29 +39,32 @@ func main() {
log.Fatalf("Failed to connect to server: %v", err)
}
log.Printf("Player ID: %d", playerID)
player.ID = playerID
defer conn.Close()
go HandleServerCommunication(conn, playerID, &player)
otherPlayers := make(map[int32]*Player)
playerModel := rl.LoadModel("resources/models/goonion.obj")
defer rl.UnloadModel(playerModel)
playerTexture := rl.LoadTexture("resources/models/goonion.png")
defer rl.UnloadTexture(playerTexture)
rl.SetMaterialTexture(playerModel.Materials, rl.MapDiffuse, playerTexture)
go HandleServerCommunication(conn, playerID, &player, otherPlayers)
coomerModel := rl.LoadModel("resources/models/coomer.obj")
defer rl.UnloadModel(coomerModel)
coomerTexture := rl.LoadTexture("resources/models/coomer.png")
defer rl.UnloadTexture(coomerTexture)
rl.SetMaterialTexture(coomerModel.Materials, rl.MapDiffuse, coomerTexture)
models, err := LoadModels()
if err != nil {
log.Fatalf("Failed to load models: %v", err)
}
defer UnloadModels(models)
rl.SetTargetFPS(60)
modelIndex := int(playerID) % len(models)
player.Model = models[modelIndex].Model
player.Texture = models[modelIndex].Texture
// Music
music := rl.LoadMusicStream("resources/audio/GoonScape2.mp3")
music, err := LoadMusic("resources/audio/GoonScape2.mp3")
if err != nil {
log.Fatalf("Failed to load music: %v", err)
}
defer UnloadMusic(music)
rl.PlayMusicStream(music)
rl.SetMusicVolume(music, 0.5)
defer rl.UnloadMusicStream(music)
rl.SetTargetFPS(60)
for !rl.WindowShouldClose() {
@ -341,11 +74,11 @@ func main() {
deltaTime := rl.GetFrameTime()
// Handle input
HandleInput(&player, mapGrid, &camera)
HandleInput(&player, &camera)
// Update player
if len(player.TargetPath) > 0 {
player.MoveTowards(player.TargetPath[0], deltaTime, mapGrid)
player.MoveTowards(player.TargetPath[0], deltaTime)
}
// Update camera
@ -355,193 +88,63 @@ func main() {
rl.BeginDrawing()
rl.ClearBackground(rl.RayWhite)
rl.BeginMode3D(camera)
DrawMap(mapGrid)
DrawPlayer(player, &playerModel, mapGrid)
DrawMap()
DrawPlayer(player, player.Model)
rl.DrawModel(coomerModel, rl.NewVector3(5*TileSize+32, 32, 5*TileSize+32), 16, rl.White)
rl.DrawFPS(10, 10)
for id, other := range otherPlayers {
if len(other.TargetPath) > 0 {
other.MoveTowards(other.TargetPath[0], deltaTime)
}
DrawPlayer(*other, models[int(id)%len(models)].Model)
}
rl.EndMode3D()
rl.DrawFPS(10, 10)
rl.EndDrawing()
}
}
func ConnectToServer() (net.Conn, int32, error) {
// Attempt to connect to the server
conn, err := net.Dial("tcp", serverAddr)
if err != nil {
log.Printf("Failed to dial server: %v", err)
return nil, 0, err
func LoadModels() ([]struct {
Model rl.Model
Texture rl.Texture2D
}, error) {
goonerModel := rl.LoadModel("resources/models/goonion.obj")
goonerTexture := rl.LoadTexture("resources/models/goonion.png")
rl.SetMaterialTexture(goonerModel.Materials, rl.MapDiffuse, goonerTexture)
coomerModel := rl.LoadModel("resources/models/coomer.obj")
coomerTexture := rl.LoadTexture("resources/models/coomer.png")
rl.SetMaterialTexture(coomerModel.Materials, rl.MapDiffuse, coomerTexture)
shrekeModel := rl.LoadModel("resources/models/shreke.obj")
shrekeTexture := rl.LoadTexture("resources/models/shreke.png")
rl.SetMaterialTexture(shrekeModel.Materials, rl.MapDiffuse, shrekeTexture)
return []struct {
Model rl.Model
Texture rl.Texture2D
}{
{Model: goonerModel, Texture: goonerTexture},
{Model: coomerModel, Texture: coomerTexture},
{Model: shrekeModel, Texture: shrekeTexture},
}, nil
}
log.Println("Connected to server. Waiting for player ID...")
// Buffer for incoming server message
buf := make([]byte, 1024)
n, err := conn.Read(buf)
if err != nil {
log.Printf("Error reading player ID from server: %v", err)
return nil, 0, err
}
log.Printf("Received data: %x", buf[:n])
// Unmarshal server message to extract the player ID
var response pb.ServerMessage
if err := proto.Unmarshal(buf[:n], &response); err != nil {
log.Printf("Failed to unmarshal server response: %v", err)
return nil, 0, err
}
playerID := response.GetPlayerId()
log.Printf("Successfully connected with player ID: %d", playerID)
return conn, playerID, nil
}
func HandleServerCommunication(conn net.Conn, playerID int32, player *Player) {
for {
// Check if there are actions in the player's queue
if len(player.ActionQueue) > 0 {
// Process the first action in the queue
actionData := player.ActionQueue[0]
action := &pb.Action{
PlayerId: playerID,
Type: pb.Action_MOVE,
X: int32(actionData.X),
Y: int32(actionData.Y),
}
// Serialize the action
data, err := proto.Marshal(action)
if err != nil {
log.Printf("Failed to marshal action: %v", err)
continue
}
// Send action to server
_, err = conn.Write(data)
if err != nil {
log.Printf("Failed to send action to server: %v", err)
return
}
// Remove the action from the queue once it's sent
player.ActionQueue = player.ActionQueue[1:]
}
// Add a delay based on the server's tick rate
time.Sleep(TickRate)
func UnloadModels(models []struct {
Model rl.Model
Texture rl.Texture2D
}) {
for _, model := range models {
rl.UnloadModel(model.Model)
rl.UnloadTexture(model.Texture)
}
}
// pathfinding
type Node struct {
Tile Tile
Parent *Node
G, H, F float32
func LoadMusic(filename string) (rl.Music, error) {
music := rl.LoadMusicStream(filename)
return music, nil
}
func FindPath(mapGrid [][]Tile, start, end Tile) []Tile {
openList := []*Node{}
closedList := make(map[[2]int]bool)
startNode := &Node{Tile: start, G: 0, H: heuristic(start, end)}
startNode.F = startNode.G + startNode.H
openList = append(openList, startNode)
for len(openList) > 0 {
// Find node with lowest F
current := openList[0]
currentIndex := 0
for i, node := range openList {
if node.F < current.F {
current = node
currentIndex = i
}
}
// Move current to closed list
openList = append(openList[:currentIndex], openList[currentIndex+1:]...)
closedList[[2]int{current.Tile.X, current.Tile.Y}] = true
// Check if reached the end
if current.Tile.X == end.X && current.Tile.Y == end.Y {
path := []Tile{}
node := current
for node != nil {
path = append([]Tile{node.Tile}, path...)
node = node.Parent
}
fmt.Printf("Path found: %v\n", path)
return path
}
// Generate neighbors
neighbors := GetNeighbors(mapGrid, current.Tile)
for _, neighbor := range neighbors {
if !neighbor.Walkable || closedList[[2]int{neighbor.X, neighbor.Y}] {
continue
}
tentativeG := current.G + distance(current.Tile, neighbor)
inOpen := false
var existingNode *Node
for _, node := range openList {
if node.Tile.X == neighbor.X && node.Tile.Y == neighbor.Y {
existingNode = node
inOpen = true
break
}
}
if !inOpen || tentativeG < existingNode.G {
newNode := &Node{
Tile: neighbor,
Parent: current,
G: tentativeG,
H: heuristic(neighbor, end),
}
newNode.F = newNode.G + newNode.H
if !inOpen {
openList = append(openList, newNode)
}
}
}
}
// No path found
fmt.Println("No path found")
return nil
}
func heuristic(a, b Tile) float32 {
return float32(abs(a.X-b.X) + abs(a.Y-b.Y))
}
func distance(a, b Tile) float32 {
_ = a
_ = b
return 1.0 //uniform cost for now
}
func GetNeighbors(mapGrid [][]Tile, tile Tile) []Tile {
directions := [][2]int{
{1, 0}, {-1, 0}, {0, 1}, {0, -1},
{1, 1}, {-1, -1}, {1, -1}, {-1, 1},
}
neighbors := []Tile{}
for _, dir := range directions {
nx, ny := tile.X+dir[0], tile.Y+dir[1]
if nx >= 0 && nx < MapWidth && ny >= 0 && ny < MapHeight {
neighbors = append(neighbors, mapGrid[nx][ny])
}
}
return neighbors
}
func abs(x int) int {
if x < 0 {
return -x
}
return x
func UnloadMusic(music rl.Music) {
rl.UnloadMusicStream(music)
}

48
map.go Normal file
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package main
import rl "github.com/gen2brain/raylib-go/raylib"
// Initialize the map with some height data
func InitMap() [][]Tile {
mapGrid := make([][]Tile, MapWidth)
for x := 0; x < MapWidth; x++ {
mapGrid[x] = make([]Tile, MapHeight)
for y := 0; y < MapHeight; y++ {
mapGrid[x][y] = Tile{
X: x,
Y: y,
Height: 1.0 + float32(x%5), // Example height
Walkable: true, // Set to false for obstacles
}
}
}
return mapGrid
}
func DrawMap() {
for x := 0; x < MapWidth; x++ {
for y := 0; y < MapHeight; y++ {
tile := mapGrid[x][y]
// Interpolate height between adjacent tiles for a smoother landscape
height := tile.Height
if x > 0 {
height += mapGrid[x-1][y].Height
}
if y > 0 {
height += mapGrid[x][y-1].Height
}
if x > 0 && y > 0 {
height += mapGrid[x-1][y-1].Height
}
height /= 4.0
// Draw each tile as a 3D cube based on its height
tilePos := rl.Vector3{
X: float32(x * TileSize), // X-axis for horizontal position
Y: height * TileHeight, // Y-axis for height (Z in 3D is Y here)
Z: float32(y * TileSize), // Z-axis for depth (Y in 3D is Z here)
}
color := rl.Color{R: uint8(height * 25), G: 100, B: 100, A: 64}
rl.DrawCube(tilePos, TileSize, TileHeight, TileSize, color) // Draw a cube representing the tile
}
}
}

121
network.go Normal file
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package main
import (
"log"
"net"
"time"
pb "gitea.boner.be/bdnugget/goonserver/actions"
rl "github.com/gen2brain/raylib-go/raylib"
"google.golang.org/protobuf/proto"
)
func ConnectToServer() (net.Conn, int32, error) {
// Attempt to connect to the server
conn, err := net.Dial("tcp", serverAddr)
if err != nil {
log.Printf("Failed to dial server: %v", err)
return nil, 0, err
}
log.Println("Connected to server. Waiting for player ID...")
// Buffer for incoming server message
buf := make([]byte, 1024)
n, err := conn.Read(buf)
if err != nil {
log.Printf("Error reading player ID from server: %v", err)
return nil, 0, err
}
log.Printf("Received data: %x", buf[:n])
// Unmarshal server message to extract the player ID
var response pb.ServerMessage
if err := proto.Unmarshal(buf[:n], &response); err != nil {
log.Printf("Failed to unmarshal server response: %v", err)
return nil, 0, err
}
playerID := response.GetPlayerId()
log.Printf("Successfully connected with player ID: %d", playerID)
return conn, playerID, nil
}
func HandleServerCommunication(conn net.Conn, playerID int32, player *Player, otherPlayers map[int32]*Player) {
// Goroutine to handle sending player's actions to the server
go func() {
for {
if len(player.ActionQueue) > 0 {
// Process the first action in the queue
actionData := player.ActionQueue[0]
action := &pb.Action{
PlayerId: playerID,
Type: pb.Action_MOVE,
X: int32(actionData.X),
Y: int32(actionData.Y),
}
// Serialize the action
data, err := proto.Marshal(action)
if err != nil {
log.Printf("Failed to marshal action: %v", err)
continue
}
// Send action to server
_, err = conn.Write(data)
if err != nil {
log.Printf("Failed to send action to server: %v", err)
return
}
// Remove the action from the queue once it's sent
player.ActionQueue = player.ActionQueue[1:]
}
// Add a delay to match the server's tick rate
time.Sleep(TickRate)
}
}()
// Main loop to handle receiving updates from the server
for {
buf := make([]byte, 4096)
n, err := conn.Read(buf)
if err != nil {
log.Printf("Failed to read from server: %v", err)
return
}
var serverMessage pb.ServerMessage
if err := proto.Unmarshal(buf[:n], &serverMessage); err != nil {
log.Printf("Failed to unmarshal server message: %v", err)
continue
}
// Update other players' states
for _, state := range serverMessage.Players {
if state.PlayerId != playerID {
if otherPlayer, exists := otherPlayers[state.PlayerId]; exists {
otherPlayer.PosTile = Tile{X: int(state.X), Y: int(state.Y)}
otherPlayer.PosActual = rl.Vector3{
X: float32(state.X * TileSize),
Y: float32(state.Y * TileHeight),
Z: float32(state.Y * TileSize),
}
otherPlayer.MoveTowards(Tile{X: int(state.X), Y: int(state.Y)}, 0)
} else {
otherPlayers[state.PlayerId] = &Player{
PosTile: Tile{X: int(state.X), Y: int(state.Y)},
PosActual: rl.Vector3{
X: float32(state.X * TileSize),
Y: float32(state.Y * TileHeight),
Z: float32(state.Y * TileSize),
},
ID: state.PlayerId,
}
}
}
}
}
}

114
pathfinding.go Normal file
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package main
import "fmt"
type Node struct {
Tile Tile
Parent *Node
G, H, F float32
}
func FindPath(start, end Tile) []Tile {
openList := []*Node{}
closedList := make(map[[2]int]bool)
startNode := &Node{Tile: start, G: 0, H: heuristic(start, end)}
startNode.F = startNode.G + startNode.H
openList = append(openList, startNode)
for len(openList) > 0 {
// Find node with lowest F
current := openList[0]
currentIndex := 0
for i, node := range openList {
if node.F < current.F {
current = node
currentIndex = i
}
}
// Move current to closed list
openList = append(openList[:currentIndex], openList[currentIndex+1:]...)
closedList[[2]int{current.Tile.X, current.Tile.Y}] = true
// Check if reached the end
if current.Tile.X == end.X && current.Tile.Y == end.Y {
path := []Tile{}
node := current
for node != nil {
path = append([]Tile{node.Tile}, path...)
node = node.Parent
}
fmt.Printf("Path found: %v\n", path)
return path
}
// Generate neighbors
neighbors := GetNeighbors(current.Tile)
for _, neighbor := range neighbors {
if !neighbor.Walkable || closedList[[2]int{neighbor.X, neighbor.Y}] {
continue
}
tentativeG := current.G + distance(current.Tile, neighbor)
inOpen := false
var existingNode *Node
for _, node := range openList {
if node.Tile.X == neighbor.X && node.Tile.Y == neighbor.Y {
existingNode = node
inOpen = true
break
}
}
if !inOpen || tentativeG < existingNode.G {
newNode := &Node{
Tile: neighbor,
Parent: current,
G: tentativeG,
H: heuristic(neighbor, end),
}
newNode.F = newNode.G + newNode.H
if !inOpen {
openList = append(openList, newNode)
}
}
}
}
// No path found
fmt.Println("No path found")
return nil
}
func heuristic(a, b Tile) float32 {
return float32(abs(a.X-b.X) + abs(a.Y-b.Y))
}
func distance(a, b Tile) float32 {
_ = a
_ = b
return 1.0 //uniform cost for now
}
func GetNeighbors(tile Tile) []Tile {
directions := [][2]int{
{1, 0}, {-1, 0}, {0, 1}, {0, -1},
{1, 1}, {-1, -1}, {1, -1}, {-1, 1},
}
neighbors := []Tile{}
for _, dir := range directions {
nx, ny := tile.X+dir[0], tile.Y+dir[1]
if nx >= 0 && nx < MapWidth && ny >= 0 && ny < MapHeight {
neighbors = append(neighbors, mapGrid[nx][ny])
}
}
return neighbors
}
func abs(x int) int {
if x < 0 {
return -x
}
return x
}

63
player.go Normal file
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package main
import (
rl "github.com/gen2brain/raylib-go/raylib"
)
func DrawPlayer(player Player, model rl.Model) {
// Draw the player based on its actual position (PosActual) and current tile height
playerPos := rl.Vector3{
X: player.PosActual.X,
Y: mapGrid[player.PosTile.X][player.PosTile.Y].Height*TileHeight + 16.0,
Z: player.PosActual.Z,
}
rl.DrawModel(model, playerPos, 16, rl.White)
// Draw highlight around target tile
if len(player.TargetPath) > 0 {
targetTile := player.TargetPath[len(player.TargetPath)-1] // last tile in the slice
targetPos := rl.Vector3{
X: float32(targetTile.X * TileSize),
Y: mapGrid[targetTile.X][targetTile.Y].Height * TileHeight,
Z: float32(targetTile.Y * TileSize),
}
rl.DrawCubeWires(targetPos, TileSize, TileHeight, TileSize, rl.Green)
nextTile := player.TargetPath[0] // first tile in the slice
nextPos := rl.Vector3{
X: float32(nextTile.X * TileSize),
Y: mapGrid[nextTile.X][nextTile.Y].Height * TileHeight,
Z: float32(nextTile.Y * TileSize),
}
rl.DrawCubeWires(nextPos, TileSize, TileHeight, TileSize, rl.Yellow)
}
}
func (player *Player) MoveTowards(target Tile, deltaTime float32) {
// Calculate the direction vector to the target tile
targetPos := rl.Vector3{
X: float32(target.X * TileSize),
Y: mapGrid[target.X][target.Y].Height * TileHeight,
Z: float32(target.Y * TileSize),
}
// Calculate direction and normalize it for smooth movement
direction := rl.Vector3Subtract(targetPos, player.PosActual)
distance := rl.Vector3Length(direction)
if distance > 0 {
direction = rl.Vector3Scale(direction, player.Speed*deltaTime/distance)
}
// Move the player towards the target tile
if distance > 1.0 {
player.PosActual = rl.Vector3Add(player.PosActual, direction)
} else {
// Snap to the target tile when close enough
player.PosActual = targetPos
player.PosTile = target // Update player's tile
if len(player.TargetPath) > 1 {
player.TargetPath = player.TargetPath[1:] // Move to next tile in path if any
}
}
}

1
render.go Normal file
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package main

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# Blender 3.6.0 MTL File: 'None'
# www.blender.org
newmtl Material.001
Ns 250.000000
Ka 1.000000 1.000000 1.000000
Ks 0.500000 0.500000 0.500000
Ke 0.000000 0.000000 0.000000
Ni 1.450000
d 1.000000
illum 2
map_Kd shreke.png

210035
resources/models/shreke.obj Normal file

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BIN
resources/models/shreke.png Normal file

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31
types.go Normal file
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package main
import rl "github.com/gen2brain/raylib-go/raylib"
type Tile struct {
X, Y int
Height float32
Walkable bool
}
type ActionType int
const (
MoveAction ActionType = iota
)
type Action struct {
Type ActionType
X, Y int // Target position for movement
}
type Player struct {
PosActual rl.Vector3
PosTile Tile
TargetPath []Tile
Speed float32
ActionQueue []Action // Queue for player actions
Model rl.Model
Texture rl.Texture2D
ID int32
}

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@ -1 +0,0 @@
package utils