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9
.vscode/koboldsimsnippets.code-snippets
vendored
9
.vscode/koboldsimsnippets.code-snippets
vendored
@@ -15,13 +15,4 @@
|
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// ],
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// "description": "Log output to console"
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// }
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"KoboldMine Add case": {
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"scope": "go",
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"prefix": "case",
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"body": [
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"case ${1:field}:",
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"\tk.${1:field} += amount",
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"\treturn nil",
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],
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}
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}
|
@@ -121,50 +121,38 @@ var cards = []Card{
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&TablePolicy{
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UnenactedDesc: cardsim.MsgStr(`Your Minister of Finance greets you exuberantly. "We've trimmed the wages of the bureaucracy beautifully, but maybe we can scout some outright volunteers. Some tribes are absolute disasters, after all.`),
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EnactedDesc: cardsim.MsgStr(`[current policy] It's hard to find volunteer workers at the festival, but your tribe is doing its best.`),
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Do: func(p *Player) (cardsim.Message, error) {
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p.Stats.BasePopulation += 10
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p.Stats.Bureaucracy -= 2
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p.Stats.Rebellion += 1
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return cardsim.MsgStr("The local bureaucracy is staffed by volunteer labor."), nil
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},
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Undo: func(p *Player) error {
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p.Stats.BasePopulation -= 10
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p.Stats.Bureaucracy += 2
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p.Stats.Rebellion -= 1
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return nil
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EffectsTable: map[FieldLabel]float64{
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BasePopulation: 10,
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Bureaucracy: -2,
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Rebellion: 1,
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Gullibility: 2,
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Authoritarianism: -1,
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},
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EnactionDesc: cardsim.MsgStr("The local bureaucracy is staffed by volunteer labor."),
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CanDo: func(t *TablePolicy, p *Player) bool {
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return p.Stats.Bureaucracy < 2 && t.LastEnactedIdx != 3
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},
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},
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&BasicPolicy{
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UnenactedDesc: cardsim.MsgStr(`One of your non-bureaucrat friends has been in a foul temper. "This festival is everything that's wrong with our society. Life isn't about filling out forms. We ought to snub this festival and outright fire some bureaucrats."`),
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&TablePolicy{
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UnenactedDesc: cardsim.MsgStr(`One of your non-bureaucrat friends has been in a foul temper. "This festival is everything that's wrong with our society. Life isn't about filling out forms. We ought to snub this festival and outright fire a bunch of paper-pushers."`),
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EnactedDesc: cardsim.MsgStr("Your tribe currently bans the Pan-Tribal Festival of Bureaucracy. There will be no local celebration without a policy change."),
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Do: func(p *Player) (cardsim.Message, error) {
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p.Stats.BasePopulation -= 80
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p.Stats.Bureaucracy -= 4
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return cardsim.MsgStr("A wave of bureaucrats just emigrated along with kobolds incensed by the tribe's lack of respect for administration."), nil
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EffectsTable: map[FieldLabel]float64{
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BasePopulation: 80,
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Bureaucracy: 4,
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Gullibility: 4,
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},
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Undo: func(p *Player) error {
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p.Stats.BasePopulation += 80
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p.Stats.Bureaucracy += 4
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return nil
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},
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CanDo: YesWeCan,
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EnactionDesc: cardsim.MsgStr("A wave of bureaucrats just emigrated along with kobolds incensed by the tribe's lack of respect for administration."),
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CanDo: YesWeAlsoCan,
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},
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&VerbosePolicy{
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Default: &BasicPolicy{
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Default: &TablePolicy{
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UnenactedDesc: cardsim.MsgStr("Some kobolds will attend the festival on their own, and we may face desertions for our lack of interest."),
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EnactedDesc: cardsim.MsgStr("Some kobolds will attend the festival on their own. No change is expected."),
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Do: func(p *Player) (cardsim.Message, error) {
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p.Stats.BasePopulation -= 20
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return cardsim.MsgStr("A festival of bureaucracy lured away a few kobolds to other tribes."), nil
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EffectsTable: map[FieldLabel]float64{
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BasePopulation: -20,
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},
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Undo: func(p *Player) error {
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p.Stats.BasePopulation += 20
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return nil
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},
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CanDo: YesWeCan,
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EnactionDesc: cardsim.MsgStr("A festival of bureaucracy lured away a few kobolds to other tribes."),
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CanDo: YesWeAlsoCan,
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},
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Variants: []Policy{
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nil,
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@@ -194,137 +182,81 @@ var cards = []Card{
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Desc: cardsim.MsgStr("An inevitable concern of kobold tribes is the matter of trade. Trade with other kobolds is straightforward, but overland caravans are unsafe. Trade with surfacers is vital... but achieving it is difficult owing to anti-kobold sentiment."),
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After: ShuffleIntoBottomHalf,
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Policies: []Policy{
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&BasicPolicy{
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&TablePolicy{
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UnenactedDesc: cardsim.MsgStr(`Speaking for the conservative opinion, one prospective merchant says, "We need illusions. Our priority needs to be studying or trading to acquire or create spells or artifacts of disguising. The high start-up costs will be balanced by subsequent free movement in a surface society that detests us."`),
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EnactedDesc: cardsim.MsgStr("[current policy] Your merchants rely on magical disguises to avoid being identified as kobolds while doing business on the surface."),
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Do: func(p *Player) (cardsim.Message, error) {
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p.Stats.Manufacturing += 3
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p.Stats.Logistics += 4
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p.Stats.Mining += 1
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p.Stats.Alchemy += 1
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p.Stats.Gadgetry += 1
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p.Stats.Scavenging += 1
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p.Stats.FoodSupply += 1
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p.Stats.Secrecy += 5
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p.Stats.Rebellion += 1
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p.Stats.Greed += 1
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p.Stats.Gullibility += 1
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return cardsim.MsgStr("Nobody ever meets a kobold merchant."), nil
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EffectsTable: map[FieldLabel]float64{
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Manufacturing: 3,
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Logistics: 4,
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Mining: 1,
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Alchemy: 1,
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Gadgetry: 1,
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Scavenging: 1,
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FoodSupply: 1,
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Secrecy: 5,
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Rebellion: 1,
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Greed: 1,
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Gullibility: 1,
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},
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Undo: func(p *Player) error {
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p.Stats.Manufacturing -= 3
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p.Stats.Logistics -= 4
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p.Stats.Mining -= 1
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p.Stats.Alchemy -= 1
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p.Stats.Gadgetry -= 1
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p.Stats.Scavenging -= 1
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p.Stats.FoodSupply -= 1
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p.Stats.Secrecy -= 5
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p.Stats.Rebellion -= 1
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p.Stats.Greed -= 1
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p.Stats.Gullibility -= 1
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return nil
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EnactionDesc: cardsim.MsgStr("Nobody ever meets a kobold merchant."),
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CanDo: YesWeAlsoCan,
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},
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CanDo: YesWeCan,
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},
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&BasicPolicy{
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||||
&TablePolicy{
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||||
UnenactedDesc: cardsim.MsgStr(`Brave but potentially headstrong, another prospective merchant has attended the meeting with the following plea. "We must take head-on the risk of improving the status of kobolds! Only by bravely attending the surface markets can we hope to achieve a true and lasting peace!"`),
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EnactedDesc: cardsim.MsgStr(`[current policy] Your merchants represent the tribe's peaceful ideals by visiting the surface openly despite occasional casaulties.`),
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Do: func(p *Player) (cardsim.Message, error) {
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p.Stats.BasePopulation -= 15
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||||
p.Stats.Manufacturing += 3
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||||
p.Stats.Logistics += 4
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||||
p.Stats.Mining += 1
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||||
p.Stats.Alchemy += 2
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p.Stats.Gadgetry += 2
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p.Stats.Hospitality += 1
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p.Stats.Publishing += 1
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p.Stats.ForeignRelExpense += 1
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p.Stats.Militarism -= 1
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p.Stats.Scavenging -= 1
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p.Stats.Secrecy -= 10
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p.Stats.ForeignRelations += 5
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||||
p.Stats.FoodSupply += 3
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||||
p.Stats.Greed += 1
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p.Stats.Madness -= 1
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p.Stats.Cruelty -= 1
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||||
return cardsim.MsgStr("The tribe formally plans for attrition among its merchants."), nil
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EffectsTable: map[FieldLabel]float64{
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BasePopulation: -15,
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||||
Manufacturing: 3,
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||||
Logistics: 4,
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||||
Mining: 2,
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||||
Alchemy: 1,
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||||
Gadgetry: 2,
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||||
Hospitality: 1,
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||||
Publishing: 1,
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||||
ForeignRelExpense: 1,
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||||
Militarism: -1,
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||||
Scavenging: -1,
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||||
Secrecy: -10,
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||||
ForeignRelations: 5,
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||||
FoodSupply: 3,
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||||
Greed: 1,
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||||
Madness: -1,
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||||
Cruelty: -1,
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||||
},
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||||
Undo: func(p *Player) error {
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||||
p.Stats.BasePopulation += 15
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||||
p.Stats.Manufacturing -= 3
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||||
p.Stats.Logistics -= 4
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||||
p.Stats.Mining -= 1
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||||
p.Stats.Alchemy -= 2
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p.Stats.Gadgetry -= 2
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||||
p.Stats.Hospitality -= 1
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p.Stats.Publishing -= 1
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p.Stats.ForeignRelExpense -= 1
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||||
p.Stats.Militarism += 1
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p.Stats.Scavenging += 1
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p.Stats.Secrecy += 10
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p.Stats.ForeignRelations -= 5
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p.Stats.FoodSupply -= 3
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p.Stats.Greed -= 1
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p.Stats.Madness -= 1
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p.Stats.Cruelty -= 1
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return nil
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EnactionDesc: cardsim.MsgStr("The tribe formally plans for attrition among its merchants."),
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||||
CanDo: YesWeAlsoCan,
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||||
},
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||||
CanDo: YesWeCan,
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||||
},
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||||
&BasicPolicy{
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||||
&TablePolicy{
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||||
UnenactedDesc: cardsim.MsgStr(`A shady scavenger has offered to change careers and become a merchant. Their proposal is, "Surfacers aren't all monolithic. If we talk to the ones who are more greedy than prejudiced, we don't need magic or idealism. We can get in contact with lots of people who'll buy lots of things from us, even things that might not have a market if we worked with 'good' merchants."`),
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EnactedDesc: cardsim.MsgStr("[current policy] Your merchants work with the underworld of the surface, forging connections with the people who are ironically less likely to murder them."),
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Do: func(p *Player) (cardsim.Message, error) {
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||||
p.Stats.BasePopulation -= 5
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||||
p.Stats.Logistics += 1
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||||
p.Stats.Scavenging += 3
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||||
p.Stats.Alchemy += 2
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||||
p.Stats.Gadgetry += 2
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||||
p.Stats.Mining -= 1
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p.Stats.Manufacturing -= 1
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p.Stats.HiddenRelPenalty += 2 // High is bad on this hidden stat.
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p.Stats.Greed += 3
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p.Stats.Gullibility -= 2
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return cardsim.MsgStr("Kobold merchants are instantly suspected of black market connections."), nil
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EffectsTable: map[FieldLabel]float64{
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||||
BasePopulation: -5,
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||||
Logistics: 1,
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||||
Scavenging: 3,
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||||
Alchemy: 2,
|
||||
Gadgetry: 2,
|
||||
Mining: -1,
|
||||
Manufacturing: -1,
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||||
HiddenRelPenalty: 2, //High is bad on this hidden stat.
|
||||
Greed: 3,
|
||||
Gullibility: -2,
|
||||
},
|
||||
Undo: func(p *Player) error {
|
||||
p.Stats.BasePopulation += 5
|
||||
p.Stats.Logistics -= 1
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||||
p.Stats.Scavenging -= 3
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||||
p.Stats.Alchemy -= 2
|
||||
p.Stats.Gadgetry -= 3
|
||||
p.Stats.Mining += 1
|
||||
p.Stats.Manufacturing += 1
|
||||
p.Stats.HiddenRelPenalty -= 2
|
||||
p.Stats.Greed -= 3
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||||
p.Stats.Gullibility += 2
|
||||
return nil
|
||||
EnactionDesc: cardsim.MsgStr("Kobold merchants are instantly suspected of black market connections."),
|
||||
CanDo: YesWeAlsoCan,
|
||||
},
|
||||
CanDo: YesWeCan,
|
||||
},
|
||||
&BasicPolicy{
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||||
UnenactedDesc: cardsim.MsgStr(`A mining forebold registered for the right to attend this meeting, and says, "Surfacers can't be trusted and we shouldn't be supporting them with trade. We need underground roads to ease trade with other kobolds. It's a massive investment, but think of the reward: a world of underground civilizations supporting each other."`),
|
||||
&TablePolicy{
|
||||
UnenactedDesc: cardsim.MsgStr(`A mining forebold registered for the right to attend this meeting to say, "Surfacers can't be trusted and we shouldn't be supporting them with trade. We need underground roads to ease trade with other kobolds. It's a massive investment, but think of the reward: a world of underground civilizations supporting each other."`),
|
||||
EnactedDesc: cardsim.MsgStr(`[currentpolicy] Your merchants have been directed to focus on trade with other kobolds, and your miners are perpetually tunnelling towards other kobold tribes in pursuit of the dream of a world of underground roads.`),
|
||||
Do: func(p *Player) (cardsim.Message, error) {
|
||||
p.Stats.Mining += 5
|
||||
p.Stats.Construction += 2
|
||||
p.Stats.Logistics += 4
|
||||
p.Stats.FoodSupply -= 1
|
||||
p.Stats.Secrecy += 15
|
||||
p.Stats.Gullibility -= 2
|
||||
return cardsim.MsgStr("The vast network of caverns under the surface of the world is not a natural phenomenon."), nil
|
||||
EffectsTable: map[FieldLabel]float64{
|
||||
Mining: 5,
|
||||
Construction: 2,
|
||||
Logistics: 3,
|
||||
FoodSupply: -1,
|
||||
Secrecy: 15,
|
||||
Gullibility: -2,
|
||||
},
|
||||
Undo: func(p *Player) error {
|
||||
p.Stats.Mining -= 5
|
||||
p.Stats.Construction -= 2
|
||||
p.Stats.Logistics -= 4
|
||||
p.Stats.FoodSupply += 1
|
||||
p.Stats.Secrecy -= 15
|
||||
p.Stats.Gullibility += 2
|
||||
return nil
|
||||
},
|
||||
CanDo: YesWeCan,
|
||||
EnactionDesc: cardsim.MsgStr("The vast network of caverns under the surface of the world is not a natural phenomenon."),
|
||||
CanDo: YesWeAlsoCan,
|
||||
},
|
||||
&VerbosePolicy{
|
||||
Default: &BasicPolicy{
|
||||
@@ -343,7 +275,7 @@ var cards = []Card{
|
||||
UnenactedDesc: cardsim.MsgStr("Rejecting the illusion-based merchantry will cost us a great deal in trade and surface food, but we can certainly do it."),
|
||||
},
|
||||
&BasicPolicy{
|
||||
UnenactedDesc: cardsim.MsgStr("Rejecting our idealistic approach to surface trade will save a few lives directly, but consider how much we need the food we might buy!"),
|
||||
UnenactedDesc: cardsim.MsgStr("Rejecting our idealistic approach to surface trade will save a few lives directly, but consider how much we need the food we buy!"),
|
||||
},
|
||||
&BasicPolicy{
|
||||
UnenactedDesc: cardsim.MsgStr("The surfacers' governments would certainly prefer us to abandon our underworld connections in their cities. Do we care about that? We'd be giving up some excellent profits."),
|
||||
@@ -360,32 +292,21 @@ var cards = []Card{
|
||||
Desc: cardsim.MsgStr("Nobody would ever say a kobold smells bad, but the constant burrowing, manufacturing, and metallurgy that is common to kobold life is still a recipe for tense muscles and filthy scales. A slate of proposals have come through to address this issue."),
|
||||
After: ShuffleIntoBottomHalf,
|
||||
Policies: []Policy{
|
||||
&BasicPolicy{
|
||||
&TablePolicy{
|
||||
UnenactedDesc: cardsim.MsgStr(`A calm and cheerful scribe says, "We should have public baths! We have more problems with flooding than drought in the deep underground, so we've got plenty of water. We just need to channel it. We could create a hub of social life while improving the health of everybody!"`),
|
||||
EnactedDesc: cardsim.MsgStr("[current policy] Public bathing is a staple social policy in the mines and warrens of your tribe."),
|
||||
Do: func(p *Player) (cardsim.Message, error) {
|
||||
p.Stats.Construction += 2
|
||||
p.Stats.Welfare += 1
|
||||
p.Stats.Healthcare += 1
|
||||
p.Stats.ParksExpense += 4
|
||||
p.Stats.Hospitality += 1
|
||||
p.Stats.Madness -= 1
|
||||
p.Stats.Cruelty -= 1
|
||||
p.Stats.Greed -= 1
|
||||
return cardsim.MsgStr("The company of others makes cold water tolerable."), nil
|
||||
EffectsTable: map[FieldLabel]float64{
|
||||
Construction: 2,
|
||||
Welfare: 1,
|
||||
Healthcare: 1,
|
||||
ParksExpense: 4,
|
||||
Hospitality: 1,
|
||||
Madness: -1,
|
||||
Cruelty: -1,
|
||||
Greed: -1,
|
||||
},
|
||||
Undo: func(p *Player) error {
|
||||
p.Stats.Construction -= 2
|
||||
p.Stats.Welfare -= 1
|
||||
p.Stats.Healthcare -= 1
|
||||
p.Stats.ParksExpense -= 4
|
||||
p.Stats.Hospitality -= 1
|
||||
p.Stats.Madness += 1
|
||||
p.Stats.Cruelty += 1
|
||||
p.Stats.Greed += 1
|
||||
return nil
|
||||
},
|
||||
CanDo: YesWeCan,
|
||||
EnactionDesc: cardsim.MsgStr("The company of others makes cold water tolerable."),
|
||||
CanDo: YesWeAlsoCan,
|
||||
},
|
||||
&BasicPolicy{
|
||||
UnenactedDesc: cardsim.MsgStr(`Your Minister of Finance is scandalized. "A free service? And such an expensive one to construct? No, no, no. The baths must pull their weight in the budget if they're ot be made at all. We must set an entry fee."`),
|
||||
|
@@ -9,7 +9,6 @@ import (
|
||||
var (
|
||||
ErrOptionNotEnabled = errors.New("option not enabled")
|
||||
ErrPolicyNotEnacted = errors.New("cannot unenact policy that is not enacted")
|
||||
ErrNoFieldLabel = errors.New("field does not exist")
|
||||
|
||||
// ErrUnimplemented and ErrKeepMessaage are "non-errors". They are used
|
||||
// as special signals that the result needs to be handled in a special way;
|
||||
|
@@ -1,7 +1,9 @@
|
||||
package koboldsim
|
||||
|
||||
import (
|
||||
"errors"
|
||||
"fmt"
|
||||
"reflect"
|
||||
|
||||
"git.chromaticdragon.app/kistaro/CardSimEngine/cardsim"
|
||||
)
|
||||
@@ -167,9 +169,14 @@ func NewKoboldMine() *KoboldMine {
|
||||
}
|
||||
}
|
||||
|
||||
// FieldLabel instances are strings exactly matching the name of an
|
||||
// exported field in `KoboldMine`. These are used to map field names to
|
||||
// amounts to change in `TablePolicy` instances, which are then looked
|
||||
// up by name (via reflection) when adding the stat.
|
||||
type FieldLabel string
|
||||
|
||||
const (
|
||||
Alchemy FieldLabel = "Alchemy"
|
||||
Authoritarianism FieldLabel = "Authoritarianism"
|
||||
BasePopulation FieldLabel = "BasePopulation"
|
||||
Bureaucracy FieldLabel = "Bureaucracy"
|
||||
@@ -178,66 +185,64 @@ const (
|
||||
Education FieldLabel = "Education"
|
||||
FoodSupply FieldLabel = "FoodSupply"
|
||||
ForeignRelations FieldLabel = "ForeignRelations"
|
||||
ForeignRelExpense FieldLabel = "ForeignRelExpense"
|
||||
Gadgetry FieldLabel = "Gadgetry"
|
||||
Greed FieldLabel = "Greed"
|
||||
Gullibility FieldLabel = "Gullibility"
|
||||
Healthcare FieldLabel = "Healthcare"
|
||||
HiddenRelPenalty FieldLabel = "HiddenRelPenalty"
|
||||
Hospitality FieldLabel = "Hospitality"
|
||||
Logistics FieldLabel = "Logistics"
|
||||
Madness FieldLabel = "Madness"
|
||||
Manufacturing FieldLabel = "Manufacturing"
|
||||
Mining FieldLabel = "Mining"
|
||||
Militarism FieldLabel = "Militarism"
|
||||
Mining FieldLabel = "Mining"
|
||||
ParksExpense FieldLabel = "ParksExpense"
|
||||
Publishing FieldLabel = "Publishing"
|
||||
Rebellion FieldLabel = "Rebellion"
|
||||
Scavenging FieldLabel = "Scavenging"
|
||||
Secrecy FieldLabel = "Secrecy"
|
||||
Welfare FieldLabel = "Welfare"
|
||||
)
|
||||
|
||||
// ErrBadFieldLabel is an "error category" for all errors where a
|
||||
// FieldLabel did not correctly name a Field that could be used in Add.
|
||||
var ErrBadFieldLabel = errors.New("bad field label")
|
||||
|
||||
// ErrNoFieldLabel is a kind of `ErrBadFieldLabel` used when no field
|
||||
// of the target has the exact name specified in the FieldLabel. Check
|
||||
// spelling and capitalization.
|
||||
var ErrNoFieldLabel = fmt.Errorf("%w: field does not exist", ErrBadFieldLabel)
|
||||
|
||||
// ErrFieldNotFloat is a kind of `ErrBadFieldLabel` used when it is not
|
||||
// possible to read and assign a float to the named field. Is this the
|
||||
// name of a calculated stat (a function) rather than a base stat?
|
||||
var ErrFieldNotFloat = fmt.Errorf("%w: field type is not float", ErrBadFieldLabel)
|
||||
|
||||
// ErrFieldSetPanic is a kind of `ErrBadFieldLabel` used when trying to
|
||||
// set the value of a field panicked. The panic message should be
|
||||
// preserved in the error to diagnose the problem. If the problem is
|
||||
// that the field is unexported, capitalize the name (including inside
|
||||
// the KoboldMine type). Any other issue is a more complicated bug,
|
||||
// because all of them that aren't already caught by ErrFieldNotFloat
|
||||
// imply something very unexpected happened with `k` itself (in `Add`).
|
||||
var ErrFieldSetPanic = fmt.Errorf("%w: panic when setting", ErrBadFieldLabel)
|
||||
|
||||
// Use a FieldLabel to add an amount to the matching field. If no such
|
||||
// field can be found, the field is not exported, or the field is not
|
||||
// of type float64, this returns an error ad does not change any values.
|
||||
func (k *KoboldMine) Add(which FieldLabel, amount float64) error {
|
||||
switch which {
|
||||
case Authoritarianism:
|
||||
k.Authoritarianism += amount
|
||||
return nil
|
||||
case BasePopulation:
|
||||
k.BasePopulation += amount
|
||||
return nil
|
||||
case Bureaucracy:
|
||||
k.Bureaucracy += amount
|
||||
return nil
|
||||
case Construction:
|
||||
k.Construction += amount
|
||||
return nil
|
||||
case Cruelty:
|
||||
k.Cruelty += amount
|
||||
return nil
|
||||
case Education:
|
||||
k.Education += amount
|
||||
return nil
|
||||
case FoodSupply:
|
||||
k.FoodSupply += amount
|
||||
return nil
|
||||
case ForeignRelations:
|
||||
k.ForeignRelations += amount
|
||||
return nil
|
||||
case Gullibility:
|
||||
k.Gullibility += amount
|
||||
return nil
|
||||
case Madness:
|
||||
k.Madness += amount
|
||||
return nil
|
||||
case Manufacturing:
|
||||
k.Manufacturing += amount
|
||||
return nil
|
||||
case Mining:
|
||||
k.Mining += amount
|
||||
return nil
|
||||
case Militarism:
|
||||
k.Militarism += amount
|
||||
return nil
|
||||
case Rebellion:
|
||||
k.Rebellion += amount
|
||||
return nil
|
||||
case Scavenging:
|
||||
k.Scavenging += amount
|
||||
return nil
|
||||
case Secrecy:
|
||||
k.Secrecy += amount
|
||||
kv := reflect.ValueOf(k).Elem()
|
||||
f := kv.FieldByName(string(which))
|
||||
if !f.IsValid() {
|
||||
return fmt.Errorf("cannot add %f to field %q: %w", amount, which, ErrNoFieldLabel)
|
||||
}
|
||||
if !f.CanFloat() {
|
||||
return fmt.Errorf("cannot add %f to field %q: %w", amount, which, ErrFieldNotFloat)
|
||||
}
|
||||
|
||||
if err := try(func() { f.SetFloat(f.Float() + amount) }); err != nil {
|
||||
return fmt.Errorf("could not add %f to field %q: %w", amount, which, err)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
return fmt.Errorf("cannot add %f to %q: %w", amount, which, ErrNoFieldLabel)
|
||||
}
|
||||
|
@@ -1,6 +1,8 @@
|
||||
package koboldsim
|
||||
|
||||
import (
|
||||
"errors"
|
||||
"fmt"
|
||||
"math"
|
||||
|
||||
"golang.org/x/exp/constraints"
|
||||
@@ -47,3 +49,23 @@ func clamp[T constraints.Ordered](a, b, c T) T {
|
||||
// `a` is neither most nor least; therefore, `a` is mid
|
||||
return a
|
||||
}
|
||||
|
||||
var ErrWrappedPanic = errors.New("panic")
|
||||
|
||||
// try catches a panic in the provided func and demotes it to an error, if any
|
||||
// panic occurs. The returned error, if any, wraps `ErrWrappedPanic`. If the
|
||||
// panic argument is itself an error, it is also wrapped; otherwise, it is
|
||||
// stringified into the error message using `%v`.
|
||||
func try(f func()) (finalErr error) {
|
||||
defer func() {
|
||||
if r := recover(); r != nil {
|
||||
if e, ok := r.(error); ok {
|
||||
finalErr = fmt.Errorf("%w: %w", ErrWrappedPanic, e)
|
||||
return
|
||||
}
|
||||
finalErr = fmt.Errorf("%w: %v", ErrWrappedPanic, r)
|
||||
}
|
||||
}()
|
||||
f()
|
||||
return nil
|
||||
}
|
||||
|
Reference in New Issue
Block a user