biome_info.gno

  1package personal_world
  2
  3import (
  4	"chain"
  5	"chain/runtime"
  6	"strconv"
  7
  8	"gno.land/p/nt/avl"
  9	"gno.land/p/nt/ufmt"
 10)
 11
 12const (
 13	SetBiomeInfoEvent    = "SetBiomeInfo"
 14	SetDefaultBiomeEvent = "SetDefaultBiome"
 15)
 16
 17var (
 18	biomeInfos   = avl.NewTree() // biome name -> map[string]string
 19	defaultBiome string   = "everdawn_plains"
 20)
 21
 22func init() {
 23	// Initialize default biome (Everdawn Plains)
 24	everdawnPlains := map[string]string{
 25		"biome":           "everdawn_plains",
 26		"name":            "Everdawn Plains",
 27		"description":     "The beginning of all things — a peaceful grassland bathed in eternal morning light.",
 28		"cost":            "0",
 29		"priceMultiplier": "1.000000",
 30		"theme":           "origin,serenity",
 31	}
 32	biomeInfos.Set("everdawn_plains", everdawnPlains)
 33}
 34
 35// SetBiomeInfo sets a single biome info (admin only)
 36func SetBiomeInfo(cur realm, biomeName string, cost int64, priceMultiplier float64,
 37                  name, description, theme, option string) {
 38	caller := runtime.PreviousRealm().Address()
 39	assertIsAdmin(caller)
 40
 41	// Validate required fields
 42	if biomeName == "" {
 43		panic("biome name cannot be empty")
 44	}
 45	if cost < 0 {
 46		panic("cost must be non-negative")
 47	}
 48	if priceMultiplier <= 0 {
 49		panic("price multiplier must be positive")
 50	}
 51
 52	// Create biome info
 53	biomeInfo := map[string]string{
 54		"biome":           biomeName,
 55		"cost":            ufmt.Sprintf("%d", cost),
 56		"priceMultiplier": ufmt.Sprintf("%f", priceMultiplier),
 57		"name":            name,
 58		"description":     description,
 59		"theme":           theme,
 60		"option":          option,
 61	}
 62
 63	biomeInfos.Set(biomeName, biomeInfo)
 64
 65	chain.Emit(
 66		SetBiomeInfoEvent,
 67		"admin", caller.String(),
 68		"biome", biomeName,
 69		"cost", ufmt.Sprintf("%d", cost),
 70		"priceMultiplier", ufmt.Sprintf("%f", priceMultiplier),
 71	)
 72}
 73
 74func GetBiomeInfo(biomeName string) map[string]string {
 75	if biomeName == "" {
 76		panic("biome name cannot be empty")
 77	}
 78
 79	biomeInfo, exists := biomeInfos.Get(biomeName)
 80	if !exists {
 81		panic("biome info not found: " + biomeName)
 82	}
 83
 84	return biomeInfo.(map[string]string)
 85}
 86
 87func ListBiomeInfos() []map[string]string {
 88	var result []map[string]string
 89
 90	biomeInfos.Iterate("", "", func(key string, value interface{}) bool {
 91		biomeInfo := value.(map[string]string)
 92		result = append(result, biomeInfo)
 93		return false
 94	})
 95
 96	return result
 97}
 98
 99// mustGetBiomeInfo gets biome info with panic on not found
100func mustGetBiomeInfo(biomeName string) map[string]string {
101	biomeInfo, found := biomeInfos.Get(biomeName)
102	if !found {
103		panic("biome not found: " + biomeName)
104	}
105	return biomeInfo.(map[string]string)
106}
107
108// GetActualCreationCost returns the actual cost to create a world for a specific owner
109// The first world of default biome is free
110func GetActualCreationCost(owner address, biome string) int64 {
111	validateBiomeName(biome)
112
113	// Get base creation cost
114	biomeInfo := mustGetBiomeInfo(biome)
115	creationCost, _ := strconv.ParseInt(biomeInfo["cost"], 10, 64)
116
117	// Check if this is user's first world
118	isFirstWorld := !ownerIndex.Has(owner.String())
119
120	// First world is free only if it's default biome
121	if isFirstWorld && biome == defaultBiome {
122		return 0
123	}
124
125	return creationCost
126}
127
128// SetDefaultBiome sets the default biome (admin only)
129func SetDefaultBiome(cur realm, biomeName string) {
130	caller := runtime.PreviousRealm().Address()
131	assertIsAdmin(caller)
132
133	if biomeName == "" {
134		panic("biome name cannot be empty")
135	}
136
137	// Validate biome exists
138	validateBiomeName(biomeName)
139
140	oldDefault := defaultBiome
141	defaultBiome = biomeName
142
143	chain.Emit(
144		SetDefaultBiomeEvent,
145		"admin", caller.String(),
146		"oldDefault", oldDefault,
147		"newDefault", defaultBiome,
148	)
149}
150
151// GetDefaultBiome returns the current default biome name
152func GetDefaultBiome() string {
153	return defaultBiome
154}
155
156// validateBiomeName validates biome name exists
157func validateBiomeName(biomeName string) {
158	_, found := biomeInfos.Get(biomeName)
159	if !found {
160		panic("unknown biome")
161	}
162}