load from data

data/converters.toml

@@ -5,4 +5,16 @@ displayName = "Tea Pulper"
 source = "tea"
 output = "brick"
 rate = 5
+icon = "m"
+[[converter.costs]]
+name = "tea"
+value = 10
 
+[[converter]]
+itemid = 4
+name = "teaPlanter"
+displayName = "Tea Planter"
+source = ""
+output = "tea"
+rate = 0
+icon = "w"

data/items.toml

@@ -3,9 +3,13 @@ itemid = 1
 name = "tea"
 displayName = "Tea"
 buildable = true
+icon = "p"
 rate = 3
 
 [[resource]]
 itemid = 2
 name = "brick"
 displayName = "Tea Bricks"
+icon = "b"
+buildable = false
+

data/tech.toml

@@ -2,5 +2,19 @@
 techid = 1
 name = "teaConverter"
 displayName = "Tea Pulper"
-unlocks = ["2"]
+unlocks = ["teaConverter"]
-require = []
+[[tech.requires]]
+name = "tea"
+value = 10
+
+[[tech]]
+techid = 2
+name = "teaPlanting"
+displayName = "Tea Planters"
+unlocks = ["teaPlanter"]
+[[tech.requires]]
+name = "tea"
+value = 20
+[[tech.requires]]
+name = "teaConverter"
+value = 1

simulator/converter.go

@@ -1,53 +1,87 @@
 package simulator
 
 import (
-	"fmt"
+	"github.com/BurntSushi/toml"
 )
 
 //Converter is a object that converts one item into another per tick
 type Converter struct {
-	kind   itemType
+	Id          itemType `toml:"itemid"`
-	rate   int
+	Name        string   `toml:"name"`
+	DisplayName string   `toml:"displayName"`
+	Icon        string   `toml:"icon"`
+	Rate        int      `toml:"rate"`
 	source      itemType
+	SourceName  string `toml:"source"`
 	output      itemType
+	OutputName  string `toml:"output"`
 	owner       *Player
+	Costs       []CraftCost
+}
+
+type converters struct {
+	Converter []Converter
+}
+
+//ID returns id
+func (c Converter) ID() itemType {
+	return c.Id
 }
 
 func newConverter(k itemType, o *Player) *Converter {
-	return &Converter{
+	var res Converter
-		kind:   k,
+	if template, ok := GlobalItems[k]; ok {
-		rate:   getConverter(k).rate,
+		temp := template.(Converter)
-		source: getConverter(k).source,
+		res.DisplayName = temp.DisplayName
-		output: getConverter(k).output,
+		res.Name = temp.Name
-		owner:  o,
+		res.Icon = temp.Icon
+		res.source = lookupByName(temp.SourceName).ID()
+		res.output = lookupByName(temp.OutputName).ID()
+		res.Rate = temp.Rate
+		res.Costs = temp.Costs
+		res.owner = o
+		return &res
 	}
+	return &Converter{}
 }
 
 //Tick one iteration
 func (c *Converter) Tick() {
-	if c.owner.Resources[c.source] > c.rate {
+	if c.source == 0 {
-		c.owner.Resources[c.source] = c.owner.Resources[c.source] - c.rate
+		c.owner.Resources[c.output] = c.owner.Resources[c.output] + 1
+	} else if c.owner.Resources[c.source] > c.Rate {
+		c.owner.Resources[c.source] = c.owner.Resources[c.source] - c.Rate
 		c.owner.Resources[c.output] = c.owner.Resources[c.output] + 1
 	}
 }
 
-func (c *Converter) String() string {
+func (c Converter) String() string {
-	return Lookup(c.kind).Render()
+	return c.Name
+}
+
+func (c Converter) Render() string {
+	return c.Icon
 }
 
 //Describe returns human useful string
-func (c *Converter) Describe() string {
+func (c Converter) Describe() string {
-	output := getConverter(c.kind).output
+	return c.DisplayName
-	return fmt.Sprintf("a %v converter that outputs %v", Lookup(c.kind).Name(), Lookup(output).Name())
 }
 
 //Type returns consumer
-func (c *Converter) Type() ObjectType {
+func (c Converter) Type() ObjectType {
 	return consumerObject
 }
 
-func getConverter(k itemType) converterEntry {
+func loadConverters(filename string) {
-	return Lookup(k).(converterEntry)
+	var res converters
+	_, err := toml.DecodeFile(filename, &res)
+	if err != nil {
+		panic(err)
+	}
+	for _, v := range res.Converter {
+		newItem(v.ID(), v)
+	}
 }
 
 type converterEntry struct {

simulator/craftcost.go

@@ -0,0 +1,7 @@
+package simulator
+
+//CraftCost is a cost relation for crafting an item
+type CraftCost struct {
+	Name  string
+	Value int
+}

simulator/item.go

@@ -0,0 +1,73 @@
+package simulator
+
+import "strconv"
+
+//GlobalItems table
+var GlobalItems map[itemType]item
+var nameToItem map[string]itemType
+
+type item interface {
+	ID() itemType
+	Type() ObjectType
+	Render() string
+	String() string
+	Describe() string
+}
+
+//ItemEntry is a human/ui friendly item description
+type ItemEntry interface {
+	String() string
+	Render() string
+	ID() itemType
+}
+
+type itemType int
+
+func (i itemType) String() string {
+	return strconv.Itoa(int(i))
+}
+
+type empty struct {
+}
+
+func (e empty) ID() itemType {
+	return itemType(0)
+}
+
+func (e empty) Type() ObjectType {
+	return emptyObject
+}
+
+func (e empty) String() string {
+	return ""
+}
+
+func (e empty) Render() string {
+	return ""
+}
+func (e empty) Describe() string {
+	return "an empty item"
+}
+
+func initItems() {
+	GlobalItems = make(map[itemType]item)
+	nameToItem = make(map[string]itemType)
+}
+
+func newItem(id itemType, obj item) {
+	if _, ok := GlobalItems[id]; ok {
+		panic("trying to add item that already exists")
+	}
+	if id == 0 || obj.String() == "" {
+		panic("trying to add undeclared empty item")
+	}
+	GlobalItems[id] = obj
+	nameToItem[obj.String()] = id
+}
+
+func lookupByName(name string) item {
+	if res, ok := nameToItem[name]; ok {
+		return GlobalItems[res]
+	}
+	return empty{}
+}

simulator/item_table.go

@@ -1,39 +0,0 @@
-package simulator
-
-import "strconv"
-
-//ItemEntry is a human/ui friendly item description
-type ItemEntry interface {
-	Name() string
-	Render() string
-	ID() string
-}
-
-type itemType int
-
-func (i itemType) String() string {
-	return strconv.Itoa(int(i))
-}
-
-const (
-	itemPlantTea itemType = iota + 1
-	itemPlantWood
-
-	convertPulper
-)
-
-//GlobalItemList of all items
-var GlobalItemList = []itemType{itemPlantTea, itemPlantWood, convertPulper}
-
-//Lookup returns a human friendly item entry
-func Lookup(id itemType) ItemEntry {
-	switch id {
-	case itemPlantTea:
-		return plantEntry{itemPlantTea, 1, "tea"}
-	case itemPlantWood:
-		return plantEntry{itemPlantWood, 10, "wood"}
-	case convertPulper:
-		return converterEntry{convertPulper, 5, "teaConverter", itemPlantTea, itemPlantWood}
-	}
-	return nil
-}

simulator/object.go

@@ -14,4 +14,6 @@ type ObjectType int
 const (
 	producerObject ObjectType = iota
 	consumerObject
+	resourceObject
+	emptyObject
 )

simulator/plant.go

@@ -1,77 +0,0 @@
-package simulator
-
-import (
-	"fmt"
-	"strconv"
-)
-
-//Plant is a plant that grows per tick
-type Plant struct {
-	kind   itemType
-	value  int
-	growth int
-	rate   int
-}
-
-func getPlant(k itemType) plantEntry {
-	return Lookup(k).(plantEntry)
-}
-
-func newPlant(k itemType) *Plant {
-	return &Plant{
-		kind:   k,
-		value:  0,
-		growth: 0,
-		rate:   getPlant(k).rate,
-	}
-}
-
-//Tick one iteration
-func (p *Plant) Tick() {
-	p.growth++
-	if p.growth > p.rate {
-		p.value++
-		p.growth = 0
-	}
-}
-
-//Get produced plant
-func (p *Plant) Get() Produce {
-	var pro Produce
-	pro.Value = p.value
-	pro.Kind = p.kind
-	p.value = 0
-	return pro
-}
-
-func (p *Plant) String() string {
-	return Lookup(p.kind).Render()
-}
-
-//Describe returns a human useful string
-func (p *Plant) Describe() string {
-	return fmt.Sprintf("a %v plant with %v value", Lookup(p.kind).Name(), strconv.Itoa(p.value))
-}
-
-//Type returns producer
-func (p *Plant) Type() ObjectType {
-	return producerObject
-}
-
-type plantEntry struct {
-	id   itemType
-	rate int
-	name string
-}
-
-func (p plantEntry) Render() string {
-	return "w"
-}
-
-func (p plantEntry) Name() string {
-	return p.name
-}
-
-func (p plantEntry) ID() string {
-	return p.id.String()
-}

simulator/player.go

@@ -2,14 +2,16 @@ package simulator
 
 import (
 	"fmt"
+	"sort"
 	"strconv"
 )
 
 //Player is a player controlled mob
 type Player struct {
 	Resources   map[itemType]int
+	Inventory   map[itemType]int
 	Craftables  map[itemType]struct{}
-	Techs       map[TechID]struct{}
+	Techs       map[TechID]Tech
 	CurrentTile *Tile
 	log         []string
 	logIndex    int
@@ -17,17 +19,24 @@ type Player struct {
 
 //NewPlayer initializes a player
 func NewPlayer() *Player {
-	return &Player{Resources: make(map[itemType]int), Techs: make(map[TechID]struct{})}
+	return &Player{Resources: make(map[itemType]int), Techs: make(map[TechID]Tech), Craftables: make(map[itemType]struct{})}
 }
 
 func (p *Player) String() string {
 	var res string
 	res += "Resources: \n"
-	for _, i := range GlobalItemList {
+	var ress []int
-		if p.Resources[i] != 0 {
+	for k, v := range p.Resources {
-			res += fmt.Sprintf("%v: %v\n", Lookup(i).Name(), p.Resources[i])
+		if v != 0 {
+			//res += fmt.Sprintf("%v: %v\n", GlobalItems[k].Describe(), v)
+			ress = append(ress, int(k))
 		}
 	}
+	sort.Ints(ress)
+	for _, k := range ress {
+		id := itemType(k)
+		res += fmt.Sprintf("%v: %v\n", GlobalItems[id], p.Resources[id])
+	}
 	res += "\nLocation: \n"
 	if p.CurrentTile != nil {
 		res += p.CurrentTile.String()
@@ -36,12 +45,27 @@ func (p *Player) String() string {
 }
 
 func (p *Player) research() {
-	for k, v := range p.Resources {
+	for _, tech := range GlobalTechs {
-		if k == itemPlantTea && v > 10 {
+		if _, ok := p.Techs[tech.ID]; ok {
-			if _, ok := p.Techs[techPulper]; !ok {
+			continue
-				p.Techs[techPulper] = struct{}{}
-				p.Announce("New Tech: Pulper")
 		}
+
+		i := 0
+		for _, v := range tech.Requires {
+			req := lookupByName(v.Name)
+			if p.Resources[req.ID()] >= v.Value {
+				i++
+			}
+		}
+		if i == len(tech.Requires) {
+			p.Techs[tech.ID] = tech
+			for _, v := range tech.Unlocks {
+				itm := lookupByName(v)
+				if itm.Type() != emptyObject {
+					p.Craftables[itm.ID()] = struct{}{}
+				}
+			}
+			p.Announce(fmt.Sprintf("New Tech: %v", tech.DisplayName))
 		}
 	}
 }

simulator/pod.go

@@ -16,14 +16,21 @@ func (p *Pod) Tick() {
 	for i := range p.Tiles {
 		for _, v := range p.Tiles[i] {
 			if v.Building != nil {
-				v.Building.Tick()
+				if v.Building.Type() == consumerObject {
+					obj := v.Building.(*Converter)
+					obj.Tick()
+				}
+				if v.Building.Type() == resourceObject {
+					obj := v.Building.(*Resource)
+					obj.Tick()
+				}
 			}
 		}
 	}
 }
 
 //Place an item on a tile
-func (p *Pod) Place(item Object, x, y int) bool {
+func (p *Pod) Place(item item, x, y int) bool {
 	if p.Tiles[x][y].Building == nil {
 		p.Tiles[x][y].Building = item
 		return true
@@ -53,7 +60,7 @@ func (p *Pod) String() string {
 			if v.User != nil {
 				res += "@"
 			} else if v.Building != nil {
-				res += v.Building.String()
+				res += v.Building.Render()
 			} else {
 				res += "."
 			}

simulator/resource.go

@@ -0,0 +1,90 @@
+package simulator
+
+import (
+	"log"
+
+	"github.com/BurntSushi/toml"
+)
+
+//Resource is a game resource; can be planted
+type Resource struct {
+	Id          itemType `toml:"itemid"`
+	Name        string   `toml:"name"`
+	DisplayName string   `toml:"displayName"`
+	Buildable   bool     `toml:"buildable"`
+	Rate        int      `toml:"rate"`
+	Icon        string   `toml:"icon"`
+	value       int
+	growth      int
+}
+
+type resources struct {
+	Resource []Resource
+}
+
+func newResource(k itemType) *Resource {
+	var res Resource
+	if template, ok := GlobalItems[k]; ok {
+		temp := template.(Resource)
+		res.DisplayName = temp.DisplayName
+		res.Id = k
+		res.Name = temp.Name
+		res.Buildable = temp.Buildable
+		res.Rate = temp.Rate
+		res.Icon = temp.Icon
+		res.value = 0
+		res.growth = 0
+		return &res
+	}
+	return &Resource{}
+}
+
+func (r *Resource) Tick() {
+	if !r.Buildable {
+		return
+	}
+	r.growth++
+	if r.growth > r.Rate {
+		r.value++
+		r.growth = 0
+	}
+}
+
+func (r *Resource) Get() Produce {
+	var pro Produce
+	pro.Value = r.value
+	pro.Kind = r.Id
+	r.value = 0
+	return pro
+}
+
+func (r Resource) String() string {
+	return r.Name
+}
+
+func (r Resource) Render() string {
+	return r.Icon
+}
+
+func (r Resource) Describe() string {
+	return r.DisplayName
+}
+func loadResources(filename string) {
+	var res resources
+	foo, err := toml.DecodeFile(filename, &res)
+	log.Println(foo.Undecoded())
+	if err != nil {
+		panic(err)
+	}
+	for _, v := range res.Resource {
+		newItem(v.Id, v)
+	}
+}
+
+func (r Resource) ID() itemType {
+	return r.Id
+}
+
+func (r Resource) Type() ObjectType {
+	return resourceObject
+}

simulator/simulator.go

@@ -2,6 +2,7 @@ package simulator
 
 import (
 	"fmt"
+	"log"
 	"strings"
 	"time"
 )
@@ -19,8 +20,23 @@ type Simulator struct {
 func NewSimulator() *Simulator {
 	pod := newPod()
 	player := NewPlayer()
+	log.Println("loading items")
+	initItems()
+	log.Println("loading techs")
 	loadTechs("data/tech.toml")
-	pod.Place(newPlant(itemPlantTea), 4, 4)
+	log.Println("loading resources")
+	loadResources("data/items.toml")
+	log.Println("loading converters")
+	loadConverters("data/converters.toml")
+	if len(GlobalItems) < 1 {
+		panic("Loaded items but nothing in global items table")
+	}
+	if len(GlobalTechs) < 1 {
+		panic("Loaded items but nothing in global items table")
+	}
+	pod.Place(newResource(lookupByName("tea").ID()), 4, 4)
+	player.Resources[itemType(1)] = 30
+	player.Resources[itemType(3)] = 5
 	pod.Tiles[0][0].User = player
 	player.Announce("Game started")
 	return &Simulator{pod, player, 0, 0, 0, make(chan bool)}
@@ -43,12 +59,12 @@ func (s *Simulator) Input(cmd string) {
 	switch cmdS[0] {
 	case "get":
 		if cur.Building != nil {
-			if cur.Building.Type() == producerObject {
+			if cur.Building.Type() == resourceObject {
-				build := cur.Building.(Producer)
+				build := cur.Building.(*Resource)
 				prod := build.Get()
 				if prod.Kind != 0 && prod.Value > 0 {
 					s.Player.Resources[prod.Kind] = s.Player.Resources[prod.Kind] + prod.Value
-					s.Player.Announce(fmt.Sprintf("Gathered %v %v", prod.Value, Lookup(prod.Kind).Name()))
+					s.Player.Announce(fmt.Sprintf("Gathered %v %v", prod.Value, GlobalItems[prod.Kind].Describe()))
 				}
 			}
 		}
@@ -57,15 +73,26 @@ func (s *Simulator) Input(cmd string) {
 			return
 		}
 		item := cmdS[1]
-		if item == itemPlantTea.String() {
+		s.Player.Announce(fmt.Sprintf("placing %v", item))
-			res := s.Place.Place(newPlant(itemPlantTea), s.Px, s.Py)
+		obj := lookupByName(item)
+		switch obj.Type() {
+		case emptyObject:
+			return
+		//case producerObject:
+		//obj = obj.(Producer)
+		case consumerObject:
+			obj2 := obj.(Converter)
+			res := s.Place.Place(newConverter(obj2.ID(), s.Player), s.Px, s.Py)
 			if res {
-				s.Player.Resources[itemPlantTea] = s.Player.Resources[itemPlantTea] - 1
+				s.Player.Resources[obj2.ID()] = s.Player.Resources[obj2.ID()] - 1
 			}
-		} else if item == convertPulper.String() {
+		case resourceObject:
-			res := s.Place.Place(newConverter(convertPulper, s.Player), s.Px, s.Py)
+			obj2 := obj.(Resource)
+			if obj2.Buildable {
+				res := s.Place.Place(newResource(obj2.ID()), s.Px, s.Py)
 				if res {
-				s.Player.Resources[convertPulper] = s.Player.Resources[convertPulper] - 1
+					s.Player.Resources[obj2.ID()] = s.Player.Resources[obj2.ID()] - 1
+				}
 			}
 		}
 	case "craft":
@@ -73,15 +100,27 @@ func (s *Simulator) Input(cmd string) {
 			return
 		}
 		item := cmdS[1]
-		if item == convertPulper.String() {
+		s.Player.Announce(fmt.Sprintf("Crafting %v", item))
-			if _, ok := s.Player.Techs[techPulper]; ok {
+		obj := lookupByName(item)
-				if s.Player.Resources[itemPlantTea] > 5 {
+		switch obj.Type() {
+		case emptyObject:
+			return
+		case consumerObject:
+			obj2 := obj.(Converter)
+			i := 0
+			for _, v := range obj2.Costs {
+				if s.Player.Resources[lookupByName(v.Name).ID()] >= v.Value {
+					i++
+				}
+			}
+			if i == len(obj2.Costs) {
+				for _, v := range obj2.Costs {
+					s.Player.Resources[lookupByName(v.Name).ID()] = s.Player.Resources[lookupByName(v.Name).ID()] - v.Value
+				}
+				s.Player.Resources[lookupByName(obj2.String()).ID()] = s.Player.Resources[lookupByName(obj2.String()).ID()] + 1
+			}
+		}
 
-					s.Player.Resources[convertPulper] = s.Player.Resources[convertPulper] + 1
-					s.Player.Resources[itemPlantTea] = s.Player.Resources[itemPlantTea] - 5
-				}
-			}
-		}
 	case "left":
 		res := s.Place.MovePlayer(s.Px, s.Py, s.Px, s.Py-1)
 		if res != nil {

simulator/tech.go

@@ -6,14 +6,14 @@ import "github.com/BurntSushi/toml"
 type TechID int
 
 type relation struct {
-	name  string
+	Name  string
-	value int
+	Value int
 }
 
 //Tech is a tech level
 type Tech struct {
-	ID          int        `toml:"techid"`
+	ID          TechID     `toml:"techid"`
-	DisplayName string     `toml:"display_name"`
+	DisplayName string     `toml:"displayName"`
 	Name        string     `toml:"name"`
 	Requires    []relation `toml:"requires"`
 	Unlocks     []string   `toml:"unlocks"`
@@ -23,24 +23,11 @@ const (
 	techPulper TechID = iota
 )
 
-//GlobalTechList list of all techs
-var GlobalTechList = []TechID{techPulper}
-
 //GlobalTechs list of all techs
 var GlobalTechs []Tech
 
 type techs struct {
-	tech []Tech
+	Tech []Tech
-}
-
-//LookupTech converts a tech ID to an item ID
-func LookupTech(id TechID) ItemEntry {
-	switch id {
-	case techPulper:
-		return converterEntry{convertPulper, 5, "teaConverter", itemPlantTea, itemPlantWood}
-	}
-	return nil
-
 }
 
 func lookupTechByName(name string) Tech {
@@ -58,5 +45,5 @@ func loadTechs(filename string) {
 	if err != nil {
 		panic(err)
 	}
-	GlobalTechs = res.tech
+	GlobalTechs = res.Tech
 }

simulator/tile.go

@@ -6,14 +6,20 @@ import (
 
 //Tile is a tile
 type Tile struct {
-	Building Object
+	Building item
 	User     *Player
 }
 
 func (t *Tile) String() string {
 	var res string
 	if t.Building != nil {
-		res += fmt.Sprintf("There is a %v here\n", t.Building.Describe())
+		if t.Building.Type() == resourceObject {
+			obj := t.Building.(*Resource)
+			res += fmt.Sprintf("There is a %v here with value %v\n", obj.Describe(), obj.value)
+		} else if t.Building.Type() == consumerObject {
+			obj := t.Building.(*Converter)
+			res += fmt.Sprintf("There is a %v here\n", obj.Describe())
+		}
 	} else {
 		res += "Nothing here"
 	}