feat: implemented janky object interaction model

1 files changed, 114 insertions, 0 deletions

diff --git a/internal/game/utils.go b/internal/game/utils.go
new file mode 100644
index 0000000..0559f4f
--- /dev/null
+++ b/internal/game/utils.go
@@ -0,0 +1,114 @@
+package game
+
+import (
+	"fmt"
+	"math/rand"
+
+	"thirdcollapse/internal/net"
+	"thirdcollapse/internal/object"
+	"thirdcollapse/internal/player"
+	"thirdcollapse/internal/world"
+)
+
+var EquipSlots = []object.EquipSlot{
+	object.SlotHead, object.SlotNeck, object.SlotTorso, object.SlotLegs,
+	object.SlotHands, object.SlotFeet, object.SlotBack, object.SlotAmmo,
+	object.SlotMainHand, object.SlotOffHand, object.SlotRing,
+}
+
+type itemMatch struct {
+	ID   string
+	Name string
+	Slot int
+}
+
+type xpGain struct {
+	Skill string
+	XP    int
+}
+
+type deathDrop struct {
+	itemID    string
+	quantity  int
+	totalVal  int
+	isEquip   bool
+	equipSlot object.EquipSlot
+	invSlot   int
+}
+
+func plural(n int) string {
+	if n == 1 {
+		return ""
+	}
+	return "s"
+}
+
+func parseIndex(s string) (int, error) {
+	var idx int
+	_, err := fmt.Sscanf(s, "%d", &idx)
+	return idx, err
+}
+
+func mobDisplayName(m *world.MobInstance, definite bool) string {
+	if m.Unique {
+		return m.Name
+	}
+	if definite {
+		return "the " + m.Name
+	}
+	return "a " + m.Name
+}
+
+func mobCombatLevel(m *world.MobInstance) int {
+	return int(0.25*float64(m.Attack+m.Strength+m.Defense+m.MaxHP) + 0.5)
+}
+
+func uniqueItemNames(matches []itemMatch) []string {
+	seen := make(map[string]bool)
+	var out []string
+	for _, m := range matches {
+		if !seen[m.Name] {
+			seen[m.Name] = true
+			out = append(out, m.Name)
+		}
+	}
+	return out
+}
+
+func randInt(max int) int {
+	if max <= 0 {
+		return 0
+	}
+	return rand.Intn(max)
+}
+
+func innerPickupReport(sess *net.Session, picked []string) {
+	for i, name := range picked {
+		if i == len(picked)-1 {
+			sess.WriteLine(name)
+		} else if i == len(picked)-2 {
+			sess.Write(name + " and ")
+		} else {
+			sess.Write(name + ", ")
+		}
+	}
+}
+
+func actionDesc(p *player.Player) string {
+	if p.Action == nil {
+		return ""
+	}
+	target := p.Action.TargetName
+	if idx, ok := p.Action.Data["instance_idx"]; ok {
+		target += fmt.Sprintf(" [%d]", idx)
+	}
+	switch p.Action.Type {
+	case "gather":
+		return "mining a " + target
+	case "talk":
+		return "talking to " + target
+	case "use":
+		return "using a " + target
+	}
+	return ""
+}