feat: recall/home cmd, line break option

19 files changed, 176 insertions, 27 deletions

diff --git a/internal/behavior/types.go b/internal/behavior/types.go
index 3d55d79..1b7ac1a 100644
--- a/internal/behavior/types.go
+++ b/internal/behavior/types.go
@@ -53,7 +53,8 @@ const (
 	TypeCraft     ActionType = "craft"
 	TypeCombine   ActionType = "combine"
 	TypeMix       ActionType = "mix"
-	TypeConstruct ActionType = "construct"
+	TypeConstruct     ActionType = "construct"
+	TypeTriggerModule ActionType = "trigger_module"
 )
 
 type Action struct {
@@ -183,6 +184,17 @@ type CleanData struct {
 	Filter string
 }
 
+type ModTriggerStep struct {
+	Message string `yaml:"message"`
+	Delay   int    `yaml:"delay"`
+}
+
+type TriggerModuleData struct {
+	ModID     string
+	Steps     []ModTriggerStep
+	StepIndex int
+}
+
 type DropEntry struct {
 	ItemID   string `yaml:"item_id"`
 	Table    string `yaml:"table"`
diff --git a/internal/game/act.go b/internal/game/act.go
index 31d8a33..78f298d 100644
--- a/internal/game/act.go
+++ b/internal/game/act.go
@@ -232,6 +232,8 @@ func (g *Game) AdvanceActions() {
 			g.advanceObstacle(sess, p)
 		case behavior.TypeTalk:
 			g.advanceTalk(sess, p)
+		case behavior.TypeTriggerModule:
+			g.advanceTriggerModule(sess, p)
 		default:
 			if productionActionTypes[string(p.Action.Type)] {
 				g.advanceProduction(sess, p)
diff --git a/internal/game/act_state.go b/internal/game/act_state.go
index a219875..051390f 100644
--- a/internal/game/act_state.go
+++ b/internal/game/act_state.go
@@ -81,6 +81,8 @@ func (g *Game) playerActionDisplay(p *player.Player) string {
 			return "mixing some " + a.TargetName
 		case behavior.TypeConstruct:
 			return "constructing some " + a.TargetName
+		case behavior.TypeTriggerModule:
+			return "triggering " + a.TargetName
 		}
 	}
 
diff --git a/internal/game/act_trigger_module.go b/internal/game/act_trigger_module.go
new file mode 100644
index 0000000..467cb83
--- /dev/null
+++ b/internal/game/act_trigger_module.go
@@ -0,0 +1,61 @@
+package game
+
+import (
+	"fmt"
+
+	"thehouseoficarus/internal/behavior"
+	"thehouseoficarus/internal/net"
+	"thehouseoficarus/internal/player"
+)
+
+func (g *Game) startTriggerModule(sess *net.Session, p *player.Player, mod *ModDef) {
+	if p.Action != nil {
+		g.cancelAction(p)
+	}
+	p.Action = &behavior.Action{
+		Type:       behavior.TypeTriggerModule,
+		TargetID:   mod.ID,
+		TargetName: mod.Name,
+		WaitLeft:   0,
+		Data: &behavior.TriggerModuleData{
+			ModID:     mod.ID,
+			Steps:     mod.Sequence,
+			StepIndex: 0,
+		},
+	}
+	g.writePrompt(sess)
+}
+
+func (g *Game) advanceTriggerModule(sess *net.Session, p *player.Player) {
+	data := p.Action.Data.(*behavior.TriggerModuleData)
+
+	mod := GetMod(data.ModID)
+	if mod == nil {
+		g.cancelAction(p)
+		sess.WriteLine("The module has vanished.")
+		return
+	}
+
+	if data.StepIndex < len(data.Steps) {
+		step := data.Steps[data.StepIndex]
+		sess.WriteLine(step.Message)
+		data.StepIndex++
+		p.Action.WaitLeft = step.Delay
+	} else {
+		g.triggerModReward(sess, p, mod, 1.0)
+		if g.Combat.Get(p.Name) != nil {
+			g.Combat.Leave(p.Name)
+		}
+		switch mod.Category {
+		case ModTransport:
+			g.executeTransportEffect(sess, p, mod)
+			if mod.ID == "transport_home" {
+				p.HomeTransportCooldown = 3000
+			}
+		default:
+			sess.WriteLine(fmt.Sprintf("%s completes.", mod.Name))
+		}
+		g.cancelAction(p)
+		g.writePrompt(sess)
+	}
+}
diff --git a/internal/game/cmd_home.go b/internal/game/cmd_home.go
new file mode 100644
index 0000000..bc432c6
--- /dev/null
+++ b/internal/game/cmd_home.go
@@ -0,0 +1,7 @@
+package game
+
+import "thehouseoficarus/internal/net"
+
+func (g *Game) executeHome(sess *net.Session, args []string, rawInput string) {
+	g.doTrigger(sess, "transport_home")
+}
diff --git a/internal/game/cmd_mods.go b/internal/game/cmd_mods.go
index 54c8067..2fe9ae5 100644
--- a/internal/game/cmd_mods.go
+++ b/internal/game/cmd_mods.go
@@ -67,8 +67,15 @@ func (g *Game) doMods(sess *net.Session, showAll bool) {
 			levelStr := fmt.Sprintf("Lv %d", m.Level)
 			costStr := g.junkCostString(p, m)
 			xpStr := fmt.Sprintf("%d XP", m.BaseXP)
-
-			if unlocked {
+			if m.ID == "transport_home" && p.HomeTransportCooldown > 0 {
+				nameStr := fmt.Sprintf("%s (%d ticks)", m.Name, p.HomeTransportCooldown)
+				t.Rows = append(t.Rows, []string{
+					g.colorize(sess, "dim", nameStr),
+					g.colorize(sess, "dim", levelStr),
+					g.colorize(sess, "dim", costStr),
+					g.colorize(sess, "dim", xpStr),
+				})
+			} else if unlocked {
 				t.Rows = append(t.Rows, []string{
 					color.Render(mode, color.Parse("75"), m.Name),
 					color.Render(mode, color.Parse("245"), levelStr),
diff --git a/internal/game/cmd_option.go b/internal/game/cmd_option.go
index d8ef0a4..836a150 100644
--- a/internal/game/cmd_option.go
+++ b/internal/game/cmd_option.go
@@ -16,7 +16,6 @@ func (g *Game) doOption(sess *net.Session, input string) {
 	mode := g.colorMode(sess)
 
 	if input == "" {
-		sess.WriteLine("")
 		table := &ui.Table{
 			Columns: []string{
 				color.Render(mode, color.Parse("75"), "Option"),
diff --git a/internal/game/cmd_registry.go b/internal/game/cmd_registry.go
index 7ac9d0b..2cf0de1 100644
--- a/internal/game/cmd_registry.go
+++ b/internal/game/cmd_registry.go
@@ -93,6 +93,8 @@ var commandRegistry = map[string]commandDef{
 	"module":      {(*Game).executeMods, ClassInstant},
 	"sneak":       {(*Game).executeSneak, ClassInstant},
 	"trigger":     {(*Game).executeTrigger, ClassActive},
+	"home":        {(*Game).executeHome, ClassInstant},
+	"recall":      {(*Game).executeHome, ClassInstant},
 	"talk":        {(*Game).executeTalk, ClassActive},
 	"speak":       {(*Game).executeTalk, ClassActive},
 	"ask":         {(*Game).executeTalk, ClassActive},
diff --git a/internal/game/cmd_trigger.go b/internal/game/cmd_trigger.go
index 34e438a..f74efec 100644
--- a/internal/game/cmd_trigger.go
+++ b/internal/game/cmd_trigger.go
@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"strings"
 
+	"thehouseoficarus/internal/behavior"
 	"thehouseoficarus/internal/net"
 	"thehouseoficarus/internal/player"
 )
@@ -37,6 +38,24 @@ func (g *Game) doTrigger(sess *net.Session, input string) {
 		return
 	}
 
+	if mod.Category == ModTransport {
+		room, err := g.World.LoadRoom(p.RoomID)
+		if err == nil && room.BlockTransport {
+			sess.WriteLine("You can't imagine transport would pick you up here")
+			return
+		}
+	}
+
+	if mod.ID == "transport_home" && p.HomeTransportCooldown > 0 {
+		sess.WriteLine(fmt.Sprintf("The transport service won't shuttle you that frequently! Wait %d ticks!", p.HomeTransportCooldown))
+		return
+	}
+
+	if len(mod.Sequence) > 0 {
+		g.startTriggerModule(sess, p, mod)
+		return
+	}
+
 	switch mod.Category {
 	case ModCombat:
 		g.triggerCombatMod(sess, p, mod, targetArg)
@@ -65,6 +84,9 @@ func (g *Game) parseTriggerArgs(input string, sciLevel int) (*ModDef, string) {
 
 func (g *Game) triggerCombatMod(sess *net.Session, p *player.Player, mod *ModDef, targetArg string) {
 	if cs := g.Combat.Get(p.Name); cs != nil {
+		if p.Action != nil && p.Action.Type == behavior.TypeTriggerModule {
+			g.cancelAction(p)
+		}
 		p.QueuedTrigger = mod.ID
 		sess.WriteLine(fmt.Sprintf("You queue %s for your next attack.", mod.Name))
 		return
diff --git a/internal/game/cmd_trigger_combat.go b/internal/game/cmd_trigger_combat.go
index 990ba86..cce9781 100644
--- a/internal/game/cmd_trigger_combat.go
+++ b/internal/game/cmd_trigger_combat.go
@@ -48,9 +48,6 @@ func (g *Game) scienceAttack(sess *net.Session, p *player.Player, mob *world.Mob
 
 		sciXP := mod.BaseXP
 		hpXP := mod.BaseXP / 3
-		if hpXP < 1 {
-			hpXP = 1
-		}
 		var gains []xpGain
 
 		g.awardSkillXP(sess, p, player.Science, sciXP)
diff --git a/internal/game/cmd_trigger_transport.go b/internal/game/cmd_trigger_transport.go
index ba86ebe..e2053b0 100644
--- a/internal/game/cmd_trigger_transport.go
+++ b/internal/game/cmd_trigger_transport.go
@@ -9,7 +9,7 @@ import (
 
 func (g *Game) triggerTransport(sess *net.Session, p *player.Player, mod *ModDef) {
 	if g.Combat.Get(p.Name) != nil {
-		sess.WriteLine("You can't teleport during combat!")
+		sess.WriteLine("You can't transport during combat!")
 		return
 	}
 
@@ -18,11 +18,14 @@ func (g *Game) triggerTransport(sess *net.Session, p *player.Player, mod *ModDef
 	}
 
 	g.triggerModReward(sess, p, mod, 1.0)
+	g.executeTransportEffect(sess, p, mod)
+}
 
+func (g *Game) executeTransportEffect(sess *net.Session, p *player.Player, mod *ModDef) {
 	if g.Hub != nil {
 		for _, other := range g.Hub.PlayersInRoom(p.RoomID) {
 			if other != sess {
-				other.WriteLine(fmt.Sprintf("%s teleports away.", p.Name))
+				other.WriteLine(fmt.Sprintf("%s requests a transport shuttle and departs.", p.Name))
 			}
 		}
 	}
@@ -41,7 +44,7 @@ func (g *Game) triggerTransport(sess *net.Session, p *player.Player, mod *ModDef
 	if room != nil {
 		destName = room.Name
 	}
-	sess.WriteLine(fmt.Sprintf("You materialize at %s.", destName))
+	sess.WriteLine(fmt.Sprintf("You arrive at %s.", destName))
 	g.AccountStore.SaveCharacter(p)
 	g.doLook(sess)
 }
diff --git a/internal/game/combat_attack.go b/internal/game/combat_attack.go
index 36a496b..bae210b 100644
--- a/internal/game/combat_attack.go
+++ b/internal/game/combat_attack.go
@@ -7,6 +7,7 @@ import (
 	"strconv"
 	"strings"
 
+	"thehouseoficarus/internal/behavior"
 	"thehouseoficarus/internal/color"
 	"thehouseoficarus/internal/combat"
 	"thehouseoficarus/internal/engine"
@@ -198,6 +199,10 @@ func (g *Game) startCombat(sess *net.Session, p *player.Player, mob *world.MobIn
 			return false
 		}
 
+		if p.Action != nil && p.Action.Type == behavior.TypeTriggerModule {
+			return true
+		}
+
 		p.AttackTimer++
 		if float64(p.AttackTimer) >= g.playerWeaponSpeed(p) {
 			p.AttackTimer = 0
diff --git a/internal/game/combat_mob.go b/internal/game/combat_mob.go
index 2abaf81..7096b66 100644
--- a/internal/game/combat_mob.go
+++ b/internal/game/combat_mob.go
@@ -115,6 +115,12 @@ func (g *Game) applyMobHit(sess *net.Session, p *player.Player, mob *world.MobIn
 		p.ClearMoveState()
 		sess.WriteLine("Can't escape!")
 	}
+
+	if p.Action != nil && p.Action.Type == behavior.TypeTriggerModule {
+		g.cancelAction(p)
+		p.AttackTimer = 0
+		sess.WriteLine("Your concentration is broken!")
+	}
 }
 
 func (g *Game) applyMobMiss(sess *net.Session, mob *world.MobInstance) {
@@ -250,6 +256,7 @@ func (g *Game) killPlayer(sess *net.Session, p *player.Player, mob *world.MobIns
 	p.DeactivateAllTechs()
 	p.Stats.RecordDeath()
 	sess.WriteLine(g.colorize(sess, "death", "Oh dear, you are dead!"))
+	p.Action = nil
 	p.ClearMoveState()
 	p.HazardTimer = 0
 	if ss, ok := g.safespot.Get(p.Name); ok {
diff --git a/internal/game/game.go b/internal/game/game.go
index 3cfd811..22dd74d 100644
--- a/internal/game/game.go
+++ b/internal/game/game.go
@@ -190,6 +190,10 @@ func (g *Game) handleGameCommand(sess *net.Session, input string) {
 		return
 	}
 
+	if sess.Player.OptionString("prompt_break") == "off" {
+		sess.ClearPrompt()
+	}
+
 	if sess.Account != nil && sess.Account.Aliases != nil {
 		firstSpace := strings.Index(input, " ")
 		var firstWord, rest string
diff --git a/internal/game/sys_science.go b/internal/game/sys_science.go
index 0ee446b..b04072f 100644
--- a/internal/game/sys_science.go
+++ b/internal/game/sys_science.go
@@ -25,15 +25,16 @@ const (
 )
 
 type ModDef struct {
-	ID          string         `yaml:"id"`
-	Name        string         `yaml:"name"`
-	Level       int            `yaml:"level"`
-	MaxHit      int            `yaml:"max_hit"`
-	BaseXP      int            `yaml:"base_xp"`
-	JunkCost    map[string]int `yaml:"junk_cost"`
-	Category    ModCategory    `yaml:"category"`
-	Element     string         `yaml:"element"`
-	Destination int            `yaml:"destination"`
+	ID          string                   `yaml:"id"`
+	Name        string                   `yaml:"name"`
+	Level       int                      `yaml:"level"`
+	MaxHit      int                      `yaml:"max_hit"`
+	BaseXP      int                      `yaml:"base_xp"`
+	JunkCost    map[string]int           `yaml:"junk_cost"`
+	Category    ModCategory              `yaml:"category"`
+	Element     string                   `yaml:"element"`
+	Destination int                      `yaml:"destination"`
+	Sequence    []behavior.ModTriggerStep `yaml:"sequence"`
 }
 
 var AllMods []*ModDef
@@ -241,9 +242,6 @@ func (g *Game) triggerModReward(sess *net.Session, p *player.Player, mod *ModDef
 	g.consumeJunkCost(p, mod)
 
 	sciXP := int(float64(mod.BaseXP) * multiplier)
-	if sciXP < 1 {
-		sciXP = 1
-	}
 	g.awardSkillXP(sess, p, player.Science, sciXP)
 
 	for _, gain := range extraGains {
@@ -253,11 +251,18 @@ func (g *Game) triggerModReward(sess *net.Session, p *player.Player, mod *ModDef
 	g.AccountStore.SaveCharacter(p)
 
 	if p.OptionBool("xp_drops") {
-		parts := []string{fmt.Sprintf("+%dxp %s", sciXP, player.SkillAbbr[player.Science])}
+		var parts []string
+		if sciXP > 0 {
+			parts = append(parts, fmt.Sprintf("+%dxp %s", sciXP, player.SkillAbbr[player.Science]))
+		}
 		for _, gain := range extraGains {
-			parts = append(parts, fmt.Sprintf("+%dxp %s", gain.XP, player.SkillAbbr[player.SkillName(gain.Skill)]))
+			if gain.XP > 0 {
+				parts = append(parts, fmt.Sprintf("+%dxp %s", gain.XP, player.SkillAbbr[player.SkillName(gain.Skill)]))
+			}
+		}
+		if len(parts) > 0 {
+			sess.WriteLine(g.colorize(sess, "xp", "("+strings.Join(parts, ", ")+")"))
 		}
-		sess.WriteLine(g.colorize(sess, "xp", "("+strings.Join(parts, ", ")+")"))
 	}
 	return sciXP
 }
diff --git a/internal/game/tick.go b/internal/game/tick.go
index f8d6f04..7f593a4 100644
--- a/internal/game/tick.go
+++ b/internal/game/tick.go
@@ -288,6 +288,9 @@ func (g *Game) ConsumeTick() {
 		if p.ConsumeCooldown > 0 {
 			p.ConsumeCooldown--
 		}
+		if p.HomeTransportCooldown > 0 {
+			p.HomeTransportCooldown--
+		}
 	}
 }
 
diff --git a/internal/net/server.go b/internal/net/server.go
index 731beef..8114df2 100644
--- a/internal/net/server.go
+++ b/internal/net/server.go
@@ -344,6 +344,14 @@ func (sess *Session) wrap(msg string) string {
 	return color.WrapANSI(msg, width)
 }
 
+// ClearPrompt marks the prompt as consumed so the next Write/WriteLine does not
+// emit a leading \r\n. Useful for clients that locally advance the line on Enter.
+func (sess *Session) ClearPrompt() {
+	sess.writeMu.Lock()
+	defer sess.writeMu.Unlock()
+	sess.promptVisible = false
+}
+
 // Write sends raw text with no wrapping. Used for prompts and partial lines.
 func (sess *Session) Write(msg string) {
 	sess.writeMu.Lock()
diff --git a/internal/player/player.go b/internal/player/player.go
index 14ed06e..1b59ab1 100644
--- a/internal/player/player.go
+++ b/internal/player/player.go
@@ -141,6 +141,7 @@ var OptionDefs = []OptionDef{
 	{"craft_all", OptBool, false, nil, "Auto-start crafting when only one product is possible"},
 	{"safespot_alert", OptString, "{196 bold}** Your safespot has been compromised! **{/}", nil, "Message shown when forced out of a safespot"},
 	{"danger_warning", OptBool, true, nil, "Confirm before entering a dangerous (hazardous) area"},
+	{"prompt_break", OptString, "on", []string{"on", "off"}, "Line break after prompt before output"},
 }
 
 var optionByName map[string]*OptionDef
@@ -178,6 +179,7 @@ type Player struct {
 	BackgroundAction       *behavior.Action      `yaml:"-"`
 	WalkSequence           []string              `yaml:"-"`
 	ConsumeCooldown        int                   `yaml:"-"`
+	HomeTransportCooldown  int                   `yaml:"-"`
 	MoveTicks              int                   `yaml:"-"`
 	MoveDirection          string                `yaml:"-"`
 	MoveTarget             int                   `yaml:"-"`
diff --git a/internal/world/room.go b/internal/world/room.go
index aced969..e0e2d16 100644
--- a/internal/world/room.go
+++ b/internal/world/room.go
@@ -74,8 +74,9 @@ type Room struct {
 	ItemSpawns  []SpawnDef          `yaml:"item_spawns"`
 	Mobs        []RoomMob           `yaml:"mobs"`
 	OnEnter     []EnterStep         `yaml:"on_enter"`
-	Hazard      string              `yaml:"hazard"`
-	Triggers    []TriggerDef        `yaml:"triggers"`
+	Hazard         string              `yaml:"hazard"`
+	BlockTransport bool                `yaml:"block_transport"`
+	Triggers       []TriggerDef        `yaml:"triggers"`
 }
 
 type RoomMob struct {