size_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	SetSizeInfoEvent = "SetSizeInfo"
 14)
 15
 16var (
 17	sizeInfos avl.Tree // sizeID -> map[string]string
 18)
 19
 20func init() {
 21	// Initialize SizeInfo as map[string]string
 22	sizeInfos.Set("0", map[string]string{"id": "0", "size": "100", "cost": "0"})
 23	sizeInfos.Set("1", map[string]string{"id": "1", "size": "200", "cost": "20000000"})
 24	sizeInfos.Set("2", map[string]string{"id": "2", "size": "300", "cost": "30000000"})
 25	sizeInfos.Set("3", map[string]string{"id": "3", "size": "400", "cost": "40000000"})
 26}
 27
 28// SetSizeInfo sets a single size info (admin only)
 29func SetSizeInfo(cur realm, sizeID int, size int, cost int64, option string) {
 30	caller := runtime.PreviousRealm().Address()
 31	assertIsAdmin(caller)
 32
 33	// Validate inputs
 34	if sizeID < 0 {
 35		panic("sizeID must be non-negative")
 36	}
 37	if size < 0 {
 38		panic("size must be non-negative")
 39	}
 40	if cost < 0 {
 41		panic("cost must be non-negative")
 42	}
 43
 44	// Create size info
 45	key := ufmt.Sprintf("%d", sizeID)
 46	sizeInfo := map[string]string{
 47		"id":     ufmt.Sprintf("%d", sizeID),
 48		"size":   ufmt.Sprintf("%d", size),
 49		"cost":   ufmt.Sprintf("%d", cost),
 50		"option": option,
 51	}
 52
 53	sizeInfos.Set(key, sizeInfo)
 54
 55	chain.Emit(
 56		SetSizeInfoEvent,
 57		"admin", caller.String(),
 58		"sizeID", ufmt.Sprintf("%d", sizeID),
 59		"size", ufmt.Sprintf("%d", size),
 60		"cost", ufmt.Sprintf("%d", cost),
 61	)
 62}
 63
 64func ListSizeInfos() []map[string]string {
 65	var result []map[string]string
 66	sizeInfos.Iterate("", "", func(key string, value interface{}) bool {
 67		sizeInfo := value.(map[string]string)
 68		result = append(result, sizeInfo)
 69		return false
 70	})
 71	return result
 72}
 73
 74// mustGetSizeInfo gets size info with panic on not found
 75func mustGetSizeInfo(sizeID int) map[string]string {
 76	sizeInfo, found := sizeInfos.Get(ufmt.Sprintf("%d", sizeID))
 77	if !found {
 78		panic("size info not found: " + ufmt.Sprintf("%d", sizeID))
 79	}
 80	return sizeInfo.(map[string]string)
 81}
 82
 83// GetWorldExpansionCost returns the cost to expand a world to the next size
 84func GetWorldExpansionCost(worldID uint32) int64 {
 85	world := mustGetWorld(worldID)
 86
 87	// Get current size ID and world biome
 88	currentSizeID, _ := strconv.Atoi(world["sizeId"])
 89
 90	// Get next size info
 91	nextSizeID := currentSizeID + 1
 92	nextSizeInfo := mustGetSizeInfo(nextSizeID)
 93	baseCost, _ := strconv.ParseInt(nextSizeInfo["cost"], 10, 64)
 94
 95	// Get world type info for multiplier
 96	biomeInfo := mustGetBiomeInfo(world["biome"])
 97	multiple, _ := strconv.ParseFloat(biomeInfo["priceMultiplier"], 64)
 98
 99	// Calculate expansion cost with multiplier
100	expansionCost := int64(float64(baseCost) * multiple)
101
102	return expansionCost
103}