CalculateStaticFieldsLogic

calculation of Bonus values defence zaubern and other values that depend on base stats
2025-12-27 08:33:42 +01:00
parent fb63ef72fb
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+# Derived Values Implementation
+
+## Summary
+
+Static derived values (Resistenz Körper, Resistenz Geist, Abwehr, Zaubern, Raufen) are now stored in the database as part of the `Char` model. These values can increase when a new grade is reached.
+
+Bonus values are calculated on-demand from the character's attributes using the `CalculateBonuses()` method.
+
+## Database Fields Added to `Char`
+
+- `ResistenzKoerper` (int) - Resistenz Körper base value
+- `ResistenzGeist` (int) - Resistenz Geist base value
+- `Abwehr` (int) - Abwehr base value
+- `Zaubern` (int) - Zaubern base value
+- `Raufen` (int) - Raufen base value
+
+## Calculated Bonuses (Not Stored)
+
+The following bonuses are calculated from attributes and are NOT stored in the database:
+
+- `AusdauerBonus` = Ko/10 + St/20
+- `SchadensBonus` = St/20 + Gs/30 - 3
+- `AngriffsBonus` = attribute bonus from Gs
+- `AbwehrBonus` = attribute bonus from Gw
+- `ZauberBonus` = attribute bonus from Zt
+- `ResistenzBonusKoerper` = attribute/race bonus from Ko
+- `ResistenzBonusGeist` = attribute/race bonus from In
+
+## Usage Example
+
+```go
+// Load character from database
+var char models.Char
+err := char.FirstID("123")
+
+// Get static derived values (stored in DB)
+resistenzKoerper := char.ResistenzKoerper
+abwehr := char.Abwehr
+
+// Calculate bonuses from attributes (on-demand)
+bonuses := char.CalculateBonuses()
+abwehrBonus := bonuses.AbwehrBonus
+zauberBonus := bonuses.ZauberBonus
+
+// Total values
+totalAbwehr := char.Abwehr + bonuses.AbwehrBonus
+totalZaubern := char.Zaubern + bonuses.ZauberBonus
+```
+
+## When Grade Increases
+
+When a character reaches a new grade, the static derived values may increase. To update them:
+
+```go
+// After grade increase, recalculate and update static values
+char.Grad++
+char.ResistenzKoerper++ // or apply the appropriate grade bonus
+char.Abwehr++
+// Save updated character
+database.DB.Save(&char)
+```
+
+Bonuses will automatically reflect any attribute changes without needing to update the database, as they are calculated on-demand from the `Eigenschaften` values.