func TestChunksUpdate(t *testing.T) {
tick := message.Tick(42)
blk1 := message.NewBlock()
for i := 0; i < 10; i++ {
blk1.Points[10][5+i] = 1
}
for i := 0; i < 7; i++ {
blk1.Points[20+i][10] = 2
}
blk2 := message.NewBlock()
blk2.Fill(1)
blk2.Points[10][5] = 0
blk2.Points[7][21] = 2
blks := []*message.Block{blk1, blk2}
testMessage(t, message.Types["chunks_update"], func(w io.Writer) error {
return builder.SendChunksUpdate(w, tick, blks)
}, func(conn *message.Conn, t *testing.T) {
rt, rblks := handler.ReadChunksUpdate(conn)
if rt != tick {
t.Fatal("Sent tick", tick, "but received", rt)
}
if len(rblks) != len(blks) {
t.Fatal("Sent", len(blks), "blocks, but received", len(rblks))
}
for k, blk := range blks {
rblk := rblks[k]
for i := range blk.Points {
for j := range blk.Points[i] {
pt := blk.Points[i][j]
rpt := rblk.Points[i][j]
if rpt != pt {
t.Fatal("Sent point", pt, " at ", i, j, "in block", k, "but received", rpt)
}
}
}
}
})
}
pos := session.Entity.Position
radius := message.BlockCoord(8)
blks := []*message.Block{}
for i := pos.BX - radius; i <= pos.BX+radius; i++ {
for j := pos.BY - radius; j <= pos.BY+radius; j++ {
blk, err := ctx.Terrain.GetBlockAt(i, j)
if err != nil {
log.Println("Cannot send initial terrain to client", err)
continue
}
blks = append(blks, blk)
}
}
err = conn.Write(func(w io.Writer) error {
return builder.SendChunksUpdate(w, ctx.Clock.GetRelativeTick(), blks)
})
if err != nil {
return err
}
// Send initial entities
log.Println("Sending initial entities")
for _, e := range ctx.Entity.List() {
if e.Id == session.Entity.Id {
continue
}
err := conn.Write(func(w io.Writer) error {
return builder.SendEntityCreate(w, ctx.Clock.GetRelativeTick(), e)
})