112 lines
2.0 KiB
Go
112 lines
2.0 KiB
Go
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package osuapi
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// Mods in the game.
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const (
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ModNoFail Mods = 1 << iota
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ModEasy
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ModNoVideo
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ModHidden
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ModHardRock
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ModSuddenDeath
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ModDoubleTime
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ModRelax
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ModHalfTime
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ModNightcore
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ModFlashlight
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ModAutoplay
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ModSpunOut
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ModRelax2
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ModPerfect
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ModKey4
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ModKey5
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ModKey6
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ModKey7
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ModKey8
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ModFadeIn
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ModRandom
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ModLastMod
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ModKey9
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ModKey10
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ModKey1
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ModKey3
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ModKey2
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ModFreeModAllowed = ModNoFail | ModEasy | ModHidden | ModHardRock | ModSuddenDeath | ModFlashlight | ModFadeIn | ModRelax | ModRelax2 | ModSpunOut | ModKeyMod
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ModKeyMod = ModKey4 | ModKey5 | ModKey6 | ModKey7 | ModKey8
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)
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// Mods is a bitwise enum of mods used in a score.
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//
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// Mods may appear complicated to use for a beginner programmer. Fear not!
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// This is how hard they can get for creation of a mod combination:
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//
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// myModCombination := osuapi.ModHardRock | osuapi.ModDoubleTime | osuapi.ModHidden | osuapi.ModSpunOut
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//
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// As for checking that an existing mod comination is enabled:
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//
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// if modCombination&osuapi.ModHardRock != 0 {
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// // HardRock is enabled
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// }
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//
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// To learn more about bitwise operators, have a look at it on wikipedia:
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// https://en.wikipedia.org/wiki/Bitwise_operation#Bitwise_operators
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type Mods int
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var modsString = [...]string{
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"NF",
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"EZ",
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"NV",
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"HD",
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"HR",
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"SD",
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"DT",
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"RX",
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"HT",
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"NC",
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"FL",
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"AU", // Auto.
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"SO",
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"AP", // Autopilot.
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"PF",
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"K4",
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"K5",
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"K6",
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"K7",
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"K8",
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"K9",
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"RN", // Random
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"LM", // LastMod. Cinema?
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"K9",
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"K0",
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"K1",
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"K3",
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"K2",
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}
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// ParseMods parse a string with mods in the format "HDHRDT"
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func ParseMods(mods string) (m Mods) {
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modsSl := make([]string, len(mods)/2)
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for n, modPart := range mods {
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modsSl[n/2] += string(modPart)
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}
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for _, mod := range modsSl {
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for index, availableMod := range modsString {
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if availableMod == mod {
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m |= 1 << uint(index)
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break
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}
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}
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}
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return
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}
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func (m Mods) String() (s string) {
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for i := 0; i < len(modsString); i++ {
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activated := 1&m == 1
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if activated {
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s += modsString[i]
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}
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m >>= 1
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}
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return
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}
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