feat: rough technology skill added

1 files changed, 250 insertions, 0 deletions

diff --git a/internal/game/tech.go b/internal/game/tech.go
new file mode 100644
index 0000000..a24c66d
--- /dev/null
+++ b/internal/game/tech.go
@@ -0,0 +1,250 @@
+package game
+
+import (
+	"fmt"
+	"strings"
+
+	"thehouseoficarus/internal/net"
+	"thehouseoficarus/internal/player"
+	"thehouseoficarus/internal/world"
+)
+
+type TechEffects struct {
+	AttackPercent   int
+	StrengthPercent int
+	DefensePercent  int
+	RangedPercent   int
+	SciencePercent  int
+	ProtectMelee    bool
+	ProtectRanged   bool
+	ProtectScience  bool
+	DamageReduction float64
+	HPRegenMulti    float64
+	PreserveDrain   float64
+	RetributionPct  float64
+}
+
+type TechDef struct {
+	ID       string
+	Name     string
+	Level    int
+	DrainRate float64
+	Category string
+	Group    string
+	Effects  TechEffects
+}
+
+var AllTechs []TechDef
+var techByID map[string]*TechDef
+
+func init() {
+	AllTechs = []TechDef{
+		{ID: "clarity_1", Name: "Clarity", Level: 4, DrainRate: 0.05, Category: "attack", Group: "attack_tier", Effects: TechEffects{AttackPercent: 5}},
+		{ID: "clarity_2", Name: "Enhanced Clarity", Level: 16, DrainRate: 0.10, Category: "attack", Group: "attack_tier", Effects: TechEffects{AttackPercent: 10}},
+		{ID: "clarity_3", Name: "Superior Clarity", Level: 44, DrainRate: 0.15, Category: "attack", Group: "attack_tier", Effects: TechEffects{AttackPercent: 15}},
+
+		{ID: "amplifier_1", Name: "Power Amplifier", Level: 7, DrainRate: 0.05, Category: "strength", Group: "strength_tier", Effects: TechEffects{StrengthPercent: 5}},
+		{ID: "amplifier_2", Name: "Enhanced Amplifier", Level: 23, DrainRate: 0.10, Category: "strength", Group: "strength_tier", Effects: TechEffects{StrengthPercent: 10}},
+		{ID: "amplifier_3", Name: "Superior Amplifier", Level: 49, DrainRate: 0.15, Category: "strength", Group: "strength_tier", Effects: TechEffects{StrengthPercent: 15}},
+
+		{ID: "shield_1", Name: "Energy Shield", Level: 10, DrainRate: 0.05, Category: "defense", Group: "defense_tier", Effects: TechEffects{DefensePercent: 5}},
+		{ID: "shield_2", Name: "Enhanced Shield", Level: 28, DrainRate: 0.10, Category: "defense", Group: "defense_tier", Effects: TechEffects{DefensePercent: 10}},
+		{ID: "shield_3", Name: "Superior Shield", Level: 52, DrainRate: 0.15, Category: "defense", Group: "defense_tier", Effects: TechEffects{DefensePercent: 15}},
+
+		{ID: "targeting_1", Name: "Targeting System", Level: 8, DrainRate: 0.05, Category: "ranged", Group: "ranged_tier", Effects: TechEffects{RangedPercent: 5}},
+		{ID: "targeting_2", Name: "Enhanced Targeting", Level: 22, DrainRate: 0.10, Category: "ranged", Group: "ranged_tier", Effects: TechEffects{RangedPercent: 10}},
+		{ID: "targeting_3", Name: "Superior Targeting", Level: 46, DrainRate: 0.15, Category: "ranged", Group: "ranged_tier", Effects: TechEffects{RangedPercent: 15}},
+
+		{ID: "focus_1", Name: "Neural Focus", Level: 9, DrainRate: 0.05, Category: "science", Group: "science_tier", Effects: TechEffects{SciencePercent: 5}},
+		{ID: "focus_2", Name: "Enhanced Focus", Level: 27, DrainRate: 0.10, Category: "science", Group: "science_tier", Effects: TechEffects{SciencePercent: 10}},
+		{ID: "focus_3", Name: "Superior Focus", Level: 55, DrainRate: 0.15, Category: "science", Group: "science_tier", Effects: TechEffects{SciencePercent: 15}},
+
+		{ID: "protect_melee", Name: "Kinetic Barrier", Level: 37, DrainRate: 0.20, Category: "protection", Group: "protection", Effects: TechEffects{ProtectMelee: true, DamageReduction: 0.4}},
+		{ID: "protect_ranged", Name: "Projectile Screen", Level: 40, DrainRate: 0.20, Category: "protection", Group: "protection", Effects: TechEffects{ProtectRanged: true, DamageReduction: 0.4}},
+		{ID: "protect_science", Name: "Neural Firewall", Level: 43, DrainRate: 0.20, Category: "protection", Group: "protection", Effects: TechEffects{ProtectScience: true, DamageReduction: 0.4}},
+
+		{ID: "regen", Name: "Nano Repair", Level: 22, DrainRate: 0.10, Category: "utility", Group: "regen_tier", Effects: TechEffects{HPRegenMulti: 2.0}},
+		{ID: "rapid_heal", Name: "Rapid Repair", Level: 31, DrainRate: 0.15, Category: "utility", Group: "regen_tier", Effects: TechEffects{HPRegenMulti: 4.0}},
+		{ID: "preserve", Name: "Power Saver", Level: 55, DrainRate: 0.05, Category: "utility", Group: "", Effects: TechEffects{PreserveDrain: 0.2}},
+		{ID: "retribution", Name: "Dead Man's Switch", Level: 46, DrainRate: 0.10, Category: "utility", Group: "", Effects: TechEffects{RetributionPct: 0.25}},
+
+		{ID: "overclock", Name: "Overclock", Level: 60, DrainRate: 0.25, Category: "combo", Group: "attack_tier", Effects: TechEffects{AttackPercent: 15, StrengthPercent: 15}},
+		{ID: "fortify", Name: "Fortify", Level: 65, DrainRate: 0.25, Category: "combo", Group: "defense_tier", Effects: TechEffects{DefensePercent: 15, HPRegenMulti: 2.0}},
+	}
+
+	techByID = make(map[string]*TechDef, len(AllTechs))
+	for i := range AllTechs {
+		techByID[AllTechs[i].ID] = &AllTechs[i]
+	}
+}
+
+func GetTechDef(id string) *TechDef {
+	return techByID[id]
+}
+
+func TechByPrefixMatch(input string) []*TechDef {
+	input = strings.ToLower(input)
+	var exact []*TechDef
+	var prefix []*TechDef
+	for i := range AllTechs {
+		lower := strings.ToLower(AllTechs[i].Name)
+		lowerID := strings.ToLower(AllTechs[i].ID)
+		if lower == input || lowerID == input {
+			exact = append(exact, &AllTechs[i])
+		} else if strings.HasPrefix(lower, input) || strings.HasPrefix(lowerID, input) {
+			prefix = append(prefix, &AllTechs[i])
+		}
+	}
+	if len(exact) > 0 {
+		return exact
+	}
+	return prefix
+}
+
+func techEffectString(tech TechDef) string {
+	var parts []string
+	e := tech.Effects
+	if e.AttackPercent > 0 {
+		parts = append(parts, fmt.Sprintf("+%d%% Attack", e.AttackPercent))
+	}
+	if e.StrengthPercent > 0 {
+		parts = append(parts, fmt.Sprintf("+%d%% Strength", e.StrengthPercent))
+	}
+	if e.DefensePercent > 0 {
+		parts = append(parts, fmt.Sprintf("+%d%% Defense", e.DefensePercent))
+	}
+	if e.RangedPercent > 0 {
+		parts = append(parts, fmt.Sprintf("+%d%% Ranged", e.RangedPercent))
+	}
+	if e.SciencePercent > 0 {
+		parts = append(parts, fmt.Sprintf("+%d%% Science", e.SciencePercent))
+	}
+	if e.ProtectMelee {
+		parts = append(parts, fmt.Sprintf("%.0f%% melee protection", e.DamageReduction*100))
+	}
+	if e.ProtectRanged {
+		parts = append(parts, fmt.Sprintf("%.0f%% ranged protection", e.DamageReduction*100))
+	}
+	if e.ProtectScience {
+		parts = append(parts, fmt.Sprintf("%.0f%% science protection", e.DamageReduction*100))
+	}
+	if e.HPRegenMulti > 0 {
+		parts = append(parts, fmt.Sprintf("%.0fx HP regen", e.HPRegenMulti))
+	}
+	if e.PreserveDrain > 0 {
+		parts = append(parts, fmt.Sprintf("%.0f%% drain reduction", e.PreserveDrain*100))
+	}
+	if e.RetributionPct > 0 {
+		parts = append(parts, fmt.Sprintf("%.0f%% retribution", e.RetributionPct*100))
+	}
+	return strings.Join(parts, ", ")
+}
+
+func (g *Game) totalTechBonus(p *player.Player) int {
+	total := 0
+	for _, itemID := range p.Equipment {
+		def, err := g.ItemStore.Load(itemID)
+		if err == nil {
+			total += def.Stats.TechnologyBonus
+		}
+	}
+	return total
+}
+
+func (g *Game) techLevelBonus(p *player.Player, stat string) int {
+	if len(p.ActiveTechs) == 0 {
+		return 0
+	}
+
+	totalPercent := 0
+	for id := range p.ActiveTechs {
+		def := GetTechDef(id)
+		if def == nil {
+			continue
+		}
+		switch stat {
+		case "attack":
+			totalPercent += def.Effects.AttackPercent
+		case "strength":
+			totalPercent += def.Effects.StrengthPercent
+		case "defense":
+			totalPercent += def.Effects.DefensePercent
+		case "ranged":
+			totalPercent += def.Effects.RangedPercent
+		case "science":
+			totalPercent += def.Effects.SciencePercent
+		}
+	}
+
+	if totalPercent == 0 {
+		return 0
+	}
+
+	var baseLevel int
+	switch stat {
+	case "attack":
+		baseLevel = p.Level(player.Attack)
+	case "strength":
+		baseLevel = p.Level(player.Strength)
+	case "defense":
+		baseLevel = p.Level(player.Defense)
+	case "ranged":
+		baseLevel = p.Level(player.Ranged)
+	case "science":
+		baseLevel = p.Level(player.Science)
+	}
+
+	return baseLevel * totalPercent / 100
+}
+
+func (g *Game) tryRecharge(sess *net.Session, p *player.Player, input string) bool {
+	lower := strings.ToLower(strings.TrimSpace(input))
+	instances := g.World.FindObjInstances(p.RoomID, lower)
+	for _, st := range instances {
+		if st.DefID == "charging_station" || st.DefID == "power_conduit" {
+			if p.Battery >= p.MaxBattery() {
+				sess.WriteLine("\nYour battery is already full.")
+			} else {
+				p.Battery = p.MaxBattery()
+				g.AccountStore.SaveCharacter(p)
+				sess.WriteLine(g.colorize(sess, "battery",
+					"\nYou connect to the charging station. Your battery is fully recharged."))
+			}
+			return true
+		}
+	}
+	return false
+}
+
+func (g *Game) applyTechProtection(p *player.Player, mob *world.MobInstance, dmg int) int {
+	if len(p.ActiveTechs) == 0 {
+		return dmg
+	}
+
+	attackType := mob.AttackType
+	if attackType == "" {
+		attackType = "crush"
+	}
+
+	var protectTechID string
+	switch attackType {
+	case "stab", "slash", "crush":
+		protectTechID = "protect_melee"
+	case "ranged":
+		protectTechID = "protect_ranged"
+	case "science":
+		protectTechID = "protect_science"
+	}
+
+	if protectTechID != "" && p.HasActiveTech(protectTechID) {
+		def := GetTechDef(protectTechID)
+		if def != nil {
+			reduced := int(float64(dmg) * (1.0 - def.Effects.DamageReduction))
+			if reduced < 0 {
+				reduced = 0
+			}
+			return reduced
+		}
+	}
+	return dmg
+}