hackerbots/server
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get multibots working

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This commit is contained in:
Fraser Graham 2013-11-08 22:26:56 -08:00
parent e39a97089e
commit 570d8eea8e
5 changed files with 104 additions and 106 deletions
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6
game.go
View File

@ -117,7 +117,7 @@ func (g *game) tick(payload *Boardstate) int {
for _, r := range p.Robots { for _, r := range p.Robots {
if r.Health > 0 { if r.Health > 0 {
living_robots++ living_robots++
p.Tick(g) r.Tick(g)
} }
if len(r.Message) > 0 { if len(r.Message) > 0 {
@ -180,7 +180,7 @@ func (g *game) send_update(payload *Boardstate) {
player_payload.Turn = payload.Turn player_payload.Turn = payload.Turn
player_payload.Reset = payload.Reset player_payload.Reset = payload.Reset
for _, r := range p.Robots { for _, r := range p.Robots {
player_payload.MyRobots = append(player_payload.MyRobots, r) player_payload.MyRobots = append(player_payload.MyRobots, *r)
player_payload.OtherRobots = append( player_payload.OtherRobots = append(
player_payload.OtherRobots, player_payload.OtherRobots,
r.GetTruncatedDetails()) r.GetTruncatedDetails())
@ -209,7 +209,7 @@ func (g *game) send_update(payload *Boardstate) {
// Filter projectiles // Filter projectiles
for proj := range g.projectiles { for proj := range g.projectiles {
if proj.Owner == &r { if proj.Owner == r {
player_payload.Projectiles = append( player_payload.Projectiles = append(
player_payload.Projectiles, player_payload.Projectiles,
*proj) *proj)

191
player.go
View File

@ -10,7 +10,7 @@ import (
type player struct { type player struct {
ws *websocket.Conn ws *websocket.Conn
Robots []Robot Robots []*Robot
send chan *Boardstate send chan *Boardstate
Instruction Instruction Instruction Instruction
} }
@ -31,8 +31,9 @@ func (p *player) recv() {
for { for {
// XXX: need to mark myself as having received something, also binding // XXX: need to mark myself as having received something, also binding
// such action to a particular game turn ID // such action to a particular game turn ID
var msgs PlayerInstructions var msgs map[string]Instruction
err := websocket.JSON.Receive(p.ws, &msgs) err := websocket.JSON.Receive(p.ws, &msgs)
if err != nil { if err != nil {
// TODO: perhaps we could be a bit more precise in the handling of // TODO: perhaps we could be a bit more precise in the handling of
// this 'error' by selecting on some kill signal channel and this // this 'error' by selecting on some kill signal channel and this
@ -43,11 +44,14 @@ func (p *player) recv() {
for _, r := range p.Robots { for _, r := range p.Robots {
msg, ok := msgs.RobotInstructions[r.Id] msg, ok := msgs[r.Id]
if !ok { if !ok {
continue continue
} }
// log.Printf("%v", msg.FireAt)
if msg.Repair != nil && *msg.Repair == true { if msg.Repair != nil && *msg.Repair == true {
r.TargetSpeed = 0 r.TargetSpeed = 0
r.FireAt = nil r.FireAt = nil
@ -116,7 +120,7 @@ func (r *Robot) checkCollisions(g *game, move_vector v.Vector2d) (bool, v.Point2
player_rect := v.RectFromPoint(bot.Position, 3) player_rect := v.RectFromPoint(bot.Position, 3)
collision, _, pos := v.RectIntersection(player_rect, r.Position, move_vector) collision, _, pos := v.RectIntersection(player_rect, r.Position, move_vector)
if collision { if collision {
return collision, pos, &bot return collision, pos, bot
} }
} }
} }
@ -132,116 +136,113 @@ func (r *Robot) checkCollisions(g *game, move_vector v.Vector2d) (bool, v.Point2
return collision, intersection_point, nil return collision, intersection_point, nil
} }
func (p *player) Tick(g *game) { func (r *Robot) Tick(g *game) {
for _, r := range p.Robots { r.Collision = false
r.Hit = false
r.scan(g)
r.Collision = false // Adjust Speed
r.Hit = false if r.Speed < r.TargetSpeed {
r.scan(g) r.Speed += (r.Stats.Acceleration * delta)
if r.Speed > r.TargetSpeed {
// Adjust Speed
if r.Speed < r.TargetSpeed {
r.Speed += (r.Stats.Acceleration * delta)
if r.Speed > r.TargetSpeed {
r.Speed = r.TargetSpeed
}
} else if float32(math.Abs(float64(r.Speed-r.TargetSpeed))) > v.Epsilon {
r.Speed -= (r.Stats.Acceleration * delta)
} else {
r.Speed = r.TargetSpeed r.Speed = r.TargetSpeed
} }
// Adjust Heading } else if float32(math.Abs(float64(r.Speed-r.TargetSpeed))) > v.Epsilon {
current_heading := r.Heading r.Speed -= (r.Stats.Acceleration * delta)
if current_heading.Mag() == 0 && r.MoveTo != nil { } else {
// We may have been stopped before this and had no heading r.Speed = r.TargetSpeed
current_heading = r.MoveTo.Sub(r.Position).Normalize() }
// Adjust Heading
current_heading := r.Heading
if current_heading.Mag() == 0 && r.MoveTo != nil {
// We may have been stopped before this and had no heading
current_heading = r.MoveTo.Sub(r.Position).Normalize()
}
new_heading := current_heading
if r.MoveTo != nil {
// Where do we WANT to be heading?
new_heading = r.MoveTo.Sub(r.Position).Normalize()
}
if new_heading.Mag() > 0 {
// Is our direction change too much? Hard coding to 5 degrees/s for now
angle := v.Angle(current_heading, new_heading) * v.Rad2deg
dir := 1.0
if angle < 0 {
dir = -1.0
} }
new_heading := current_heading // Max turn radius in this case is in degrees per second
if r.MoveTo != nil { if float32(math.Abs(float64(angle))) > (float32(r.Stats.TurnSpeed) * delta) {
// Where do we WANT to be heading? // New heading should be a little less, take current heading and
new_heading = r.MoveTo.Sub(r.Position).Normalize() // rotate by the max turn radius per frame.
rot := (float32(r.Stats.TurnSpeed) * delta) * v.Deg2rad
new_heading = current_heading.Rotate(rot * float32(dir))
} }
if new_heading.Mag() > 0 { move_vector := new_heading.Scale(r.Speed * delta)
// Is our direction change too much? Hard coding to 5 degrees/s for now collision, intersection_point, hit_robot := r.checkCollisions(g, move_vector)
angle := v.Angle(current_heading, new_heading) * v.Rad2deg if collision {
r.Collision = true
dir := 1.0 if hit_robot != nil {
if angle < 0 { hit_robot.Health -= int(r.Speed / 10.0)
dir = -1.0 hit_robot.Speed = (hit_robot.Speed * 0.1)
hit_robot.Heading = r.Heading
} }
move_by := intersection_point.Sub(r.Position)
move_dist := move_by.Scale(float32(math.Floor(float64(move_by.Mag()-3.0))) / move_by.Mag())
// Max turn radius in this case is in degrees per second r.Position = r.Position.Add(move_dist)
if float32(math.Abs(float64(angle))) > (float32(r.Stats.TurnSpeed) * delta) { r.Health -= int(r.Speed / 10.0)
// New heading should be a little less, take current heading and r.MoveTo = &r.Position
// rotate by the max turn radius per frame. r.Speed = (r.Speed * 0.1)
rot := (float32(r.Stats.TurnSpeed) * delta) * v.Deg2rad r.Heading = r.Heading.Scale(-1.0)
} else {
new_heading = current_heading.Rotate(rot * float32(dir)) r.Position = r.Position.Add(move_vector)
} if new_heading.Mag() > 0 {
r.Heading = new_heading
move_vector := new_heading.Scale(r.Speed * delta)
collision, intersection_point, hit_robot := r.checkCollisions(g, move_vector)
if collision {
r.Collision = true
if hit_robot != nil {
hit_robot.Health -= int(r.Speed / 10.0)
hit_robot.Speed = (hit_robot.Speed * 0.1)
hit_robot.Heading = r.Heading
}
move_by := intersection_point.Sub(r.Position)
move_dist := move_by.Scale(float32(math.Floor(float64(move_by.Mag()-3.0))) / move_by.Mag())
r.Position = r.Position.Add(move_dist)
r.Health -= int(r.Speed / 10.0)
r.MoveTo = &r.Position
r.Speed = (r.Speed * 0.1)
r.Heading = r.Heading.Scale(-1.0)
} else { } else {
r.Position = r.Position.Add(move_vector) log.Printf("Zero Heading %v", new_heading)
if new_heading.Mag() > 0 {
r.Heading = new_heading
} else {
log.Printf("Zero Heading %v", new_heading)
}
} }
} }
}
// We only self repair when we're stopped // We only self repair when we're stopped
if math.Abs(float64(r.Speed)) < v.Epsilon && r.RepairCounter > 0 { if math.Abs(float64(r.Speed)) < v.Epsilon && r.RepairCounter > 0 {
r.RepairCounter -= delta r.RepairCounter -= delta
if r.RepairCounter < 0 { if r.RepairCounter < 0 {
r.Health += g.repair_hp r.Health += g.repair_hp
r.RepairCounter = g.repair_rate r.RepairCounter = g.repair_rate
}
} }
}
// We only self repair when we're stopped // We only self repair when we're stopped
if math.Abs(float64(r.Speed)) < v.Epsilon && r.ActiveScan { if math.Abs(float64(r.Speed)) < v.Epsilon && r.ActiveScan {
r.ScanCounter += delta * float32(r.Stats.ScannerRadius) * 0.1 r.ScanCounter += delta * float32(r.Stats.ScannerRadius) * 0.1
} else if r.ScanCounter > 0 { } else if r.ScanCounter > 0 {
r.ScanCounter -= delta * float32(r.Stats.ScannerRadius) * 0.05 r.ScanCounter -= delta * float32(r.Stats.ScannerRadius) * 0.05
if r.ScanCounter <= 0 { if r.ScanCounter <= 0 {
r.ScanCounter = 0 r.ScanCounter = 0
}
} }
}
if r.FireAt != nil { if r.FireAt != nil {
proj := r.fire(g.projectiles, g.turn) proj := r.fire(g.projectiles, g.turn)
if proj != nil { if proj != nil {
g.projectiles[proj] = true g.projectiles[proj] = true
}
} }
}
if r.Probe != nil && r.ProbeResult == nil { if r.Probe != nil && r.ProbeResult == nil {
probe_vector := r.Probe.Sub(r.Position) probe_vector := r.Probe.Sub(r.Position)
coll, pos, _ := r.checkCollisions(g, probe_vector) coll, pos, _ := r.checkCollisions(g, probe_vector)
if coll { if coll {
r.ProbeResult = &pos r.ProbeResult = &pos
}
} }
} }
} }
@ -311,6 +312,8 @@ func (r *Robot) reset(g *game) {
r.Position = start_pos r.Position = start_pos
r.Health = r.Stats.Hp r.Health = r.Stats.Hp
log.Printf("Reset %v", r)
// Check Obstacles // Check Obstacles
retry := false retry := false
for _, obj := range g.obstacles { for _, obj := range g.obstacles {

2
projectile.go
View File

@ -24,7 +24,7 @@ func (p *Projectile) Tick(g *game) {
hit_player := false hit_player := false
for player := range g.players { for player := range g.players {
for _, r := range player.Robots { for _, r := range player.Robots {
if &r == p.Owner { if r == p.Owner {
continue continue
} }

6
protocol.go
View File

@ -192,7 +192,7 @@ func addPlayer(ws *websocket.Conn) {
} }
p := &player{ p := &player{
Robots: []Robot{}, Robots: []*Robot{},
send: make(chan *Boardstate), send: make(chan *Boardstate),
ws: ws, ws: ws,
} }
@ -200,14 +200,14 @@ func addPlayer(ws *websocket.Conn) {
for _, stats := range conf.Stats { for _, stats := range conf.Stats {
r := Robot{ r := Robot{
Stats: DeriveStats(stats), Stats: DeriveStats(stats),
Id: player_id, Id: idg.Hash(),
Name: clientid.Name, Name: clientid.Name,
Health: 10, Health: 10,
Scanners: make([]Scanner, 0)} Scanners: make([]Scanner, 0)}
r.Health = r.Stats.Hp r.Health = r.Stats.Hp
log.Printf("Adding Robot: %v", r) log.Printf("Adding Robot: %v", r)
p.Robots = append(p.Robots, r)
r.reset(game) r.reset(game)
p.Robots = append(p.Robots, &r)
} }
game.register <- p game.register <- p

5
robot.go
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@ -157,9 +157,4 @@ type Instruction struct {
TargetSpeed *float32 `json:"target_speed,omitempty"` TargetSpeed *float32 `json:"target_speed,omitempty"`
Repair *bool `json:"repair,omitempty"` Repair *bool `json:"repair,omitempty"`
Scan *bool `json:"scan,omitempty"` Scan *bool `json:"scan,omitempty"`
Stats Stats `json:"stats"`
}
type PlayerInstructions struct {
RobotInstructions map[string]Instruction `json:"instructions"`
} }