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diff --git a/docs/design/event-design.md b/docs/design/event-design.md new file mode 100644 index 0000000..23a267e --- /dev/null +++ b/docs/design/event-design.md @@ -0,0 +1,119 @@ +# Event Design + +> **Warning** +> The following document is ***not in a finished state*** + +# Event Proposal +- Strings are combinations of characters within double quotes `""` +- When a string is prefixed by `L__` it is replaced by the localization text that has the string as a key +- Booleans are either `true` or `false` +- Boolean expressions make use of the logical operators `and`, `or`, and `not` +- `addModifier`: pseudo-function that adds the string as a national modifier +- `hasModifier`: pseudo-function that checks if the nation has the modifier specified by the string; evaluates to `boolean` +- `fireEvent`: pseudo-function which fires the specified event for all nations where the provided boolean expression evaluates to `true` + +## Sample Event +``` +{ + id = "eventTrianglePentagonDebate" + imageName = "coolPicture.png" + title = "What shape is the best?" + description = L__"SHAPE_DEBATE_DESCRIPTION" //Look up localization text with the string as a key + ////Equivalent to + //description = "A fierce debate has broken out! Are Triangles the best shape, or Pentagons?" + + eligibility = { + (literacy >= 70 and not hasModifier("hatesGeometry")) or + nationId == "GreatBritain" or nationId == "Austria" + } + + //If eventRepetitionLimit is not specified, it can fire an unlimited number of times + eventRepetitionLimit = 2 //This event can fire twice + + //If mtth is omitted, then the event can only be triggered by another event or a decision + mtth = { + months = 36 + modifiers = [ + { + factor = 1 / averageMilitancy + when = { averageMilitancy > 4} + }, + { + factor = 1.2 + when = { averageMilitancy <= 2 or hasModifier("geometricPoliceActions") } + }, + { + factor = 2.5 + when = { hasModifier("dislikesGeometry") } + } + ] + } + + options = [ + { + text = "Triangles, obviously!" + effect = { //Effects are made with reference to the nation which had the event + prestige += 5 + addModifier("supportForTriangles") + } + }, + { + text = "Pentagons are superior!" + effect = { + prestige += 5 + addModifier("supportForPentagons") + } + secretEffect = { + addModifier("secretSocietyOfTriangleists") + } + }, + { + text = "No more silliness about these shapes!" + hoverText = "Stop the debate!" + effect = { + if prestige > 50 { + prestige = 50 + } + else if prestige < 50 { + money -= 3000 + } + else { + prestige -= 4 + } + addModifier("hatesGeometry") + fireEvent("eventNoMoreShapes", nationId != this(nationId) and not hasModifier("hatesGeometry")) + } + } + ] +} +``` + +### Event Attributes +| Attribute | Type | +|----------------------|----------------------------| +| id | string | +| imageName | string | +| description | string | +| eligibility | boolean expression | +| eventRepetitionLimit | number literal | +| mtth | mean-time-to-happen object | +| options | array of option objects | + +### Mean-Time-To-Happen Attributes +| Attribute | Type | +|-----------|------------------------------| +| months | number (non-negative) | +| modifiers | array of mtth factor objects | + +### MTTH Factor Attributes +| Attribute | Type | +|-----------|--------------------| +| factor | number | +| when | boolean expression | + +### Option Attributes +| Attribute | Type | +|--------------|--------| +| text | string | +| effect | Series of statements within Domain Specific Language (DSL) | +| secretEffect | Series of statements within Domain Specific Language (DSL) |
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