3 files changed, 342 insertions, 0 deletions
diff --git a/common/death/death.go b/common/death/death.go
new file mode 100644
index 0000000..c71f862
--- /dev/null
+++ b/common/death/death.go
@@ -0,0 +1,132 @@
+package death
+
+import (
+	"fmt"
+	"sort"
+	"strings"
+)
+
+type Weapon string
+
+const (
+	Axe             Weapon = "axe"
+	Discharge       Weapon = "discharge"
+	Drown           Weapon = "drown"
+	Fall            Weapon = "fall"
+	GrenadeLauncher Weapon = "gl"
+	Lava            Weapon = "lava"
+	LightningGun    Weapon = "lg"
+	Nailgun         Weapon = "ng"
+	NoWeapon        Weapon = "no weapon"
+	QLightningGun   Weapon = "quad lg"
+	QRocketLauncher Weapon = "quad rl"
+	QShotgun        Weapon = "quad sg"
+	QSuperNailgun   Weapon = "quad sng"
+	QSuperShotgun   Weapon = "quad ssg"
+	RocketLauncher  Weapon = "rl"
+	Shotgun         Weapon = "sg"
+	Slime           Weapon = "slime"
+	Squish          Weapon = "squish"
+	Stomp           Weapon = "stomp"
+	SuperNailgun    Weapon = "sng"
+	SuperShotgun    Weapon = "ssg"
+	TeamKill        Weapon = "tk"
+	Telefrag        Weapon = "telefrag"
+	Trap            Weapon = "trap"
+)
+
+type Type uint8
+
+const (
+	Unknown Type = iota
+	Death
+	Suicide
+	Kill
+	TeamKillUnknownKiller
+	TeamKillUnknownVictim
+)
+
+func (t Type) String() string {
+	names := []string{
+		"unknown",
+		"death",
+		"suicide",
+		"kill",
+		"teamkill",
+		"teamkill",
+	}
+
+	if t < 0 || int(t) >= len(names) {
+		return "type(?)"
+	}
+
+	return names[t]
+}
+
+type Obituary struct {
+	Type   Type
+	Killer string
+	Victim string
+	Weapon Weapon
+}
+
+func (o Obituary) String() string {
+	hasKiller := o.Killer != ""
+	hasVictim := o.Victim != ""
+
+	switch {
+	case hasKiller && hasVictim:
+		return fmt.Sprintf("%s %s %s %s", o.Type, o.Killer, o.Weapon, o.Victim)
+	case hasKiller:
+		return fmt.Sprintf("%s %s %s", o.Type, o.Killer, o.Weapon)
+	default:
+		return fmt.Sprintf("%s %s %s", o.Type, o.Victim, o.Weapon)
+	}
+}
+
+type Parser struct {
+	templates []template
+}
+
+func init() {
+	sort.SliceStable(templates, func(i, j int) bool {
+		return templates[i].priority > templates[j].priority
+	})
+}
+
+func Parse(input string) (*Obituary, bool) {
+	s := strings.TrimSpace(input)
+
+	for _, t := range templates {
+		x, y, ok := t.parser.parse(s)
+		if !ok {
+			continue
+		}
+
+		ob := &Obituary{Weapon: t.weapon, Type: toObituaryType(t.typ)}
+
+		switch t.typ {
+		case PlayerDeath:
+			ob.Victim = x
+		case PlayerSuicide:
+			ob.Victim = x
+		case XFraggedByY:
+			ob.Victim = x
+			ob.Killer = y
+		case XFragsY:
+			ob.Killer = x
+			ob.Victim = y
+		case XTeamKilled:
+			ob.Victim = x
+		case XTeamKills:
+			ob.Killer = x
+		default:
+			ob.Victim = x
+			ob.Killer = y
+		}
+
+		return ob, true
+	}
+
+	return nil, false
+}
diff --git a/common/death/parser.go b/common/death/parser.go
new file mode 100644
index 0000000..e86cffb
--- /dev/null
+++ b/common/death/parser.go
@@ -0,0 +1,55 @@
+package death
+
+import "strings"
+
+type parser interface {
+	parse(msg string) (string, string, bool)
+}
+
+type suffixParser struct {
+	suffix string
+}
+
+func (m suffixParser) parse(msg string) (x, y string, ok bool) {
+	if !strings.HasSuffix(msg, m.suffix) {
+		return "", "", false
+	}
+
+	x = strings.TrimSpace(strings.TrimSuffix(msg, m.suffix))
+	if x == "" {
+		return "", "", false
+	}
+
+	return x, "", true
+}
+
+type infixParser struct {
+	sep    string
+	suffix string
+}
+
+func (m infixParser) parse(msg string) (x, y string, ok bool) {
+	before, after, found := strings.Cut(msg, m.sep)
+	if !found {
+		return "", "", false
+	}
+
+	x = strings.TrimSpace(before)
+	if x == "" {
+		return "", "", false
+	}
+
+	if m.suffix != "" {
+		if !strings.HasSuffix(after, m.suffix) {
+			return "", "", false
+		}
+		after = strings.TrimSuffix(after, m.suffix)
+	}
+
+	y = strings.TrimSpace(after)
+	if y == "" {
+		return "", "", false
+	}
+
+	return x, y, true
+}
diff --git a/common/death/template.go b/common/death/template.go
new file mode 100644
index 0000000..3f77c5b
--- /dev/null
+++ b/common/death/template.go
@@ -0,0 +1,155 @@
+package death
+
+import "strings"
+
+type templateType uint8
+
+const (
+	PlayerDeath templateType = iota
+	PlayerSuicide
+	XFraggedByY
+	XFragsY
+	XTeamKilled
+	XTeamKills
+)
+
+func toObituaryType(t templateType) Type {
+	switch t {
+	case PlayerDeath:
+		return Death
+	case PlayerSuicide:
+		return Suicide
+	case XFraggedByY, XFragsY:
+		return Kill
+	case XTeamKilled:
+		return TeamKillUnknownKiller
+	case XTeamKills:
+		return TeamKillUnknownVictim
+	default:
+		return Unknown
+	}
+}
+
+type template struct {
+	parser   parser
+	parts    []string
+	priority int
+	typ      templateType
+	weapon   Weapon
+}
+
+func newTemplate(typ templateType, weapon Weapon, parts ...string) template {
+	prio := 0
+	for _, pr := range parts {
+		prio += len(pr)
+	}
+
+	var pa parser
+	switch typ {
+	case XFraggedByY, XFragsY:
+		pa = infixParser{
+			sep:    parts[0],
+			suffix: strings.Join(parts[1:], ""),
+		}
+	default:
+		pa = suffixParser{
+			suffix: strings.Join(parts, ""),
+		}
+	}
+
+	return template{
+		parser:   pa,
+		parts:    parts,
+		priority: prio,
+		typ:      typ,
+		weapon:   weapon,
+	}
+}
+
+var templates = []template{
+	newTemplate(PlayerDeath, Drown, " sleeps with the fishes"),
+	newTemplate(PlayerDeath, Drown, " sucks it down"),
+	newTemplate(PlayerDeath, Fall, " cratered"),
+	newTemplate(PlayerDeath, Fall, " fell to her death"),
+	newTemplate(PlayerDeath, Fall, " fell to his death"),
+	newTemplate(PlayerDeath, Lava, " burst into flames"),
+	newTemplate(PlayerDeath, Lava, " turned into hot slag"),
+	newTemplate(PlayerDeath, Lava, " visits the Volcano God"),
+	newTemplate(PlayerDeath, NoWeapon, " died"),
+	newTemplate(PlayerDeath, NoWeapon, " tried to leave"),
+	newTemplate(PlayerDeath, Slime, " can't exist on slime alone"),
+	newTemplate(PlayerDeath, Slime, " gulped a load of slime"),
+	newTemplate(PlayerDeath, Squish, " was squished"),
+	newTemplate(PlayerDeath, Trap, " ate a lavaball"),
+	newTemplate(PlayerDeath, Trap, " blew up"),
+	newTemplate(PlayerDeath, Trap, " was spiked"),
+	newTemplate(PlayerDeath, Trap, " was zapped"),
+	newTemplate(PlayerSuicide, Discharge, " discharges into the lava"),
+	newTemplate(PlayerSuicide, Discharge, " discharges into the slime"),
+	newTemplate(PlayerSuicide, Discharge, " discharges into the water"),
+	newTemplate(PlayerSuicide, Discharge, " electrocutes herself"),
+	newTemplate(PlayerSuicide, Discharge, " electrocutes himself"),
+	newTemplate(PlayerSuicide, Discharge, " heats up the water"),
+	newTemplate(PlayerSuicide, Discharge, " railcutes herself"),
+	newTemplate(PlayerSuicide, Discharge, " railcutes himself"),
+	newTemplate(PlayerSuicide, GrenadeLauncher, " tries to put the pin back in"),
+	newTemplate(PlayerSuicide, NoWeapon, " suicides"),
+	newTemplate(PlayerSuicide, RocketLauncher, " becomes bored with life"),
+	newTemplate(PlayerSuicide, RocketLauncher, " discovers blast radius"),
+	newTemplate(XFraggedByY, "Axe", " was ax-murdered by "),
+	newTemplate(XFraggedByY, "Axe", " was axed to pieces by "),
+	newTemplate(XFraggedByY, QShotgun, " was lead poisoned by "),
+	newTemplate(XFraggedByY, QSuperNailgun, " was straw-cuttered by "),
+	newTemplate(XFraggedByY, Discharge, " accepts ", "' discharge"),
+	newTemplate(XFraggedByY, Discharge, " accepts ", "'s discharge"),
+	newTemplate(XFraggedByY, Discharge, " drains ", "' batteries"),
+	newTemplate(XFraggedByY, Discharge, " drains ", "'s batteries"),
+	newTemplate(XFraggedByY, GrenadeLauncher, " eats ", "' pineapple"),
+	newTemplate(XFraggedByY, GrenadeLauncher, " eats ", "'s pineapple"),
+	newTemplate(XFraggedByY, GrenadeLauncher, " was gibbed by ", "' grenade"),
+	newTemplate(XFraggedByY, GrenadeLauncher, " was gibbed by ", "'s grenade"),
+	newTemplate(XFraggedByY, LightningGun, " accepts ", "' shaft"),
+	newTemplate(XFraggedByY, LightningGun, " accepts ", "'s shaft"),
+	newTemplate(XFraggedByY, Nailgun, " was body pierced by "),
+	newTemplate(XFraggedByY, Nailgun, " was nailed by "),
+	newTemplate(XFraggedByY, QLightningGun, " gets a natural disaster from "),
+	newTemplate(XFraggedByY, QRocketLauncher, " was brutalized by ", "' quad rocket"),
+	newTemplate(XFraggedByY, QRocketLauncher, " was brutalized by ", "'s quad rocket"),
+	newTemplate(XFraggedByY, QRocketLauncher, " was smeared by ", "' quad rocket"),
+	newTemplate(XFraggedByY, QRocketLauncher, " was smeared by ", "'s quad rocket"),
+	newTemplate(XFraggedByY, QSuperShotgun, " ate 8 loads of ", "' buckshot"),
+	newTemplate(XFraggedByY, QSuperShotgun, " ate 8 loads of ", "'s buckshot"),
+	newTemplate(XFraggedByY, RocketLauncher, " rides ", "' rocket"),
+	newTemplate(XFraggedByY, RocketLauncher, " rides ", "'s rocket"),
+	newTemplate(XFraggedByY, RocketLauncher, " was gibbed by ", "' rocket"),
+	newTemplate(XFraggedByY, RocketLauncher, " was gibbed by ", "'s rocket"),
+	newTemplate(XFraggedByY, Shotgun, " chewed on ", "' boomstick"),
+	newTemplate(XFraggedByY, Shotgun, " chewed on ", "'s boomstick"),
+	newTemplate(XFraggedByY, Stomp, " softens ", "' fall"),
+	newTemplate(XFraggedByY, Stomp, " softens ", "'s fall"),
+	newTemplate(XFraggedByY, Stomp, " tried to catch "),
+	newTemplate(XFraggedByY, Stomp, " was crushed by "),
+	newTemplate(XFraggedByY, Stomp, " was jumped by "),
+	newTemplate(XFraggedByY, Stomp, " was literally stomped into particles by "),
+	newTemplate(XFraggedByY, SuperNailgun, " was perforated by "),
+	newTemplate(XFraggedByY, SuperNailgun, " was punctured by "),
+	newTemplate(XFraggedByY, SuperNailgun, " was ventilated by "),
+	newTemplate(XFraggedByY, SuperShotgun, " ate 2 loads of ", "' buckshot"),
+	newTemplate(XFraggedByY, SuperShotgun, " ate 2 loads of ", "'s buckshot"),
+	newTemplate(XFraggedByY, Telefrag, " was telefragged by "),
+	newTemplate(XFragsY, QRocketLauncher, " rips ", " a new one"),
+	newTemplate(XFragsY, Squish, " squishes "),
+	newTemplate(XFragsY, Stomp, " stomps "),
+	newTemplate(XTeamKilled, Stomp, " was crushed by her teammate"),
+	newTemplate(XTeamKilled, Stomp, " was crushed by his teammate"),
+	newTemplate(XTeamKilled, Stomp, " was jumped by her teammate"),
+	newTemplate(XTeamKilled, Stomp, " was jumped by his teammate"),
+	newTemplate(XTeamKilled, Telefrag, " was telefragged by her teammate"),
+	newTemplate(XTeamKilled, Telefrag, " was telefragged by his teammate"),
+	newTemplate(XTeamKills, Squish, " squished a teammate"),
+	newTemplate(XTeamKills, TeamKill, " checks her glasses"),
+	newTemplate(XTeamKills, TeamKill, " checks his glasses"),
+	newTemplate(XTeamKills, TeamKill, " gets a frag for the other team"),
+	newTemplate(XTeamKills, TeamKill, " loses another friend"),
+	newTemplate(XTeamKills, TeamKill, " mows down a teammate"),
+}