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Michele Rossi
2026-04-15 18:40:59 +02:00
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42
core/README.md
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@@ -5,42 +5,45 @@
The `core/` directory contains the fundamental systems for the idle game. It provides:
- **Numeric Foundation**: `BigNumber` for handling huge idle game values
- **Game State Management**: `GameState` autoload for all persistent state
- **Currency System**: Database and tracking for multiple currency types
- **Game State Management**: `LevelGameState` for all persistent state
- **Currency System**: `CurrencyCatalogue` and tracking for multiple currency types
- **Generator System**: Automated resource production with scaling costs
- **Buff System**: Upgrades that modify generator behavior
- **Goal System**: Achievement tracking and unlock triggers
- **Prestige System**: Rebirth mechanics with permanent multipliers
- **Research System**: XP-based progression with production multipliers
## Architecture
```
core/
├── big_number.gd # Core numeric API
├── game_state.gd # Main state management autoload
├── buff_database.gd # Buff registration system
├── currency_database.gd # Currency registration system
├── currency/ # Currency data structures
├── level_game_state.gd # Main state management (Node)
├── currency/ # Currency data structures + CurrencyCatalogue
├── currency_catalogue.gd # Currency catalogue resource
├── buff_catalogue.gd # Buff catalogue resource
├── goal_catalogue.gd # Goal catalogue resource
├── generator/ # Generator logic and data
├── goals/ # Goal/achievement system
└── prestige/ # Prestige/rebirth system
├── prestige/ # Prestige/rebirth system
└── research/ # Research XP and progression
```
## Data Flow
1. **Game Start**: `GameState._ready()` initializes currencies, loads save
2. **Player Action**: Generator bought → `GameState` updated → signals emitted
1. **Game Start**: `LevelGameState._ready()` initializes currencies, loads save
2. **Player Action**: Generator bought → `LevelGameState` updated → signals emitted
3. **UI Reaction**: Listeners respond to signals → update display
4. **Goal Check**: Currency changed → goals evaluated → buffs unlocked
5. **Save**: `GameState.save_game()` → JSON to `user://idle_save.json`
5. **Save**: `LevelGameState.save_game()` → JSON to `user://level_save.json`
## Save Format
**Version**: 3
**Version**: 5
```json
{
"save_format_version": 3,
"save_format_version": 5,
"currencies": {
"<currency_id>": {
"current": {"m": float, "e": int},
@@ -68,6 +71,12 @@ core/
"goals": {
"completed": ["<goal_id>", ...]
},
"research_xp": {
"<research_id>": {"m": float, "e": int}
},
"research_levels": {
"<research_id>": int
},
"last_save_time": unix_timestamp
}
```
@@ -97,7 +106,7 @@ var restored = BigNumber.deserialize(dict)
### Adding a New Currency
1. Create `res://sandbox/currencies/<name>.tres` extending `Currency`
2. Set `id`, `display_name`, and `icon`
3. Auto-discovered by `CurrencyDatabase`
3. Add to `CurrencyCatalogue` resource assigned to `LevelGameState`
### Adding a New Generator
1. Create `res://sandbox/generators/<name>.tres` extending `CurrencyGeneratorData`
@@ -107,7 +116,12 @@ var restored = BigNumber.deserialize(dict)
### Adding a New Buff
1. Create `res://sandbox/buffs/<name>.tres` extending `GeneratorBuffData`
2. Set `target_ids`, `kind`, `effect_increment`, and `cost`
3. Auto-discovered by `BuffDatabase`
3. Add to `BuffCatalogue` resource assigned to `LevelGameState`
### Adding New Research
1. Create `res://sandbox/research/<name>.tres` extending `ResearchData`
2. Link to a generator via `generator_id`
3. Add to `ResearchCatalogue` resource assigned to `LevelGameState`
## See Also

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core/currency/README.md
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@@ -41,21 +41,17 @@ icon = ExtResource("uid://...")
### Accessing Currencies
Currencies are defined in a `CurrencyCatalogue` resource that holds an array of `Currency` resources.
```gdscript
# Get all known currencies
var currencies: Array[Currency] = CurrencyDatabase.get_known_currencies()
# Get all known currency IDs from the catalogue
var ids: Array[StringName] = currency_catalogue.get_all_ids()
# Get currency by ID
var gold: Currency = CurrencyDatabase.get_currency_resource(&"gold")
# Check if currency exists
var is_valid: bool = CurrencyDatabase.is_known_currency_id(&"gems")
# Get display name
var name: String = CurrencyDatabase.get_currency_name(&"gold")
# Get currency resource by ID
var gold: Currency = currency_catalogue.get_currency_by_id(&"gold")
```
## Integration with GameState
## Integration with LevelGameState
Currencies are tracked in three ways:
1. **current**: Current balance (resets on prestige)
@@ -64,21 +60,52 @@ Currencies are tracked in three ways:
```gdscript
# Add currency
GameState.add_currency(gold_resource, BigNumber.new(100.0, 0))
level_game_state.add_currency(gold_resource, BigNumber.new(100.0, 0))
# Add by ID
level_game_state.add_currency_by_id(&"gold", BigNumber.new(100.0, 0))
# Get balance
var balance: BigNumber = GameState.get_currency_amount_by_id(&"gold")
var balance: BigNumber = level_game_state.get_currency_amount_by_id(&"gold")
# Spend currency (returns false if insufficient)
var success: bool = GameState.spend_currency_by_id(&"gold", BigNumber.new(50.0, 0))
var success: bool = level_game_state.spend_currency_by_id(&"gold", BigNumber.new(50.0, 0))
# Check if currency exists
var is_valid: bool = level_game_state.is_known_currency_id(&"gems")
# Get currency resource
var gold: Currency = level_game_state.get_currency_resource(&"gold")
# Get display name
var name: String = level_game_state.get_currency_name(&"gold")
```
## Auto-Discovery
## CurrencyCatalogue Class
`CurrencyDatabase` automatically scans `res://sandbox/currencies/` for `.tres` and `.res` files on startup.
```gdscript
class_name CurrencyCatalogue
extends Resource
@export var currencies: Array[Currency] = []
func get_currency_by_id(id: StringName) -> Currency
func get_all_ids() -> Array[StringName]
```
The `CurrencyCatalogue` is a resource that holds all defined currencies and is assigned to `LevelGameState` via the `currency_catalogue` export variable.
## Signals
`LevelGameState` emits `currency_changed(currency_id: StringName, new_amount: BigNumber)` whenever a currency balance changes.
## See Also
- `core/game_state.gd` - Currency state management
- `core/level_game_state.gd` - Currency state management
- `core/big_number.gd` - Large number handling
- `generator/currency_generator_data.gd` - Generator purchase currency
- `core/currency/currency_catalogue.gd` - Currency catalogue resource
- `core/generator/currency_generator_data.gd` - Generator purchase currency
</content>
<parameter=filePath>
/home/mikymod/work/jmp/idle/core/currency/README.md

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core/generator/README.md
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@@ -190,14 +190,14 @@ UI component showing generator information.
## Goal-Based Unlock
Generators with `unlock_goal` automatically listen to `GameState.goal_completed` signal:
Generators with `unlock_goal` automatically listen to `LevelGameState.goal_completed` signal:
- When goal completes, generator unlocks automatically
- Goal's `unlock_behavior` (AUTOMATIC/MANUAL) controls when goal completes
- Manual goals require player to click "Unlock" button first
```gdscript
# In CurrencyGenerator._ready():
GameState.goal_completed.connect(_on_goal_completed)
level_game_state.goal_completed.connect(_on_goal_completed)
func _on_goal_completed(goal_id: StringName) -> void:
if data.has_unlock_goal() and data.get_unlock_goal_id() == goal_id:
@@ -211,14 +211,15 @@ Generators automatically apply prestige multipliers:
effective_multiplier = run_multiplier * buff_multiplier * prestige_multiplier
```
On prestige:
1. `reset_runtime_state_for_prestige()` called
On prestige via `LevelGameState.reset_for_prestige()`:
1. Current currencies reset to 0
2. `cycle_progress_seconds` reset
3. Buff levels reset to 0
4. Unlocks re-evaluated from goals
4. Goal completion state cleared and re-initialized
5. Research XP and levels reset to 0
## See Also
- `core/game_state.gd` - Generator state storage
- `goals/goal_data.gd` - Unlock conditions
- `prestige/prestige_manager.gd` - Multiplier application
- `core/level_game_state.gd` - Generator state storage
- `core/goals/goal_data.gd` - Unlock conditions
- `core/prestige/prestige_manager.gd` - Multiplier application

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core/goals/README.md
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@@ -43,7 +43,7 @@ func is_valid() -> bool # Has valid id and requirements
func get_requirements() -> Array[GoalRequirementData] # Access requirements
```
**Note:** State-dependent methods (`is_met()`, `get_progress()`, `get_summary_text()`) have been moved to `LevelGameState` for proper decoupling.
**Note:** State-dependent methods (`is_goal_met()`, `get_goal_progress()`, `get_goal_requirement_summary()`) are implemented in `LevelGameState` for proper decoupling.
## GoalRequirementData
@@ -68,7 +68,7 @@ func get_amount() -> BigNumber # Required amount
func has_valid_amount() -> bool # Amount is non-negative
```
**Note:** State-dependent methods (`is_met()`, `get_progress()`, `get_summary_text()`) have been moved to `LevelGameState` for proper decoupling.
**Note:** State-dependent methods (`is_met()`, `get_progress()`, `get_summary_text()`) are implemented in `LevelGameState` for proper decoupling.
### Progress Calculation
@@ -93,7 +93,7 @@ This means reaching 50% progress on a 1e100 goal requires ~1e50 currency.
```gdscript
func _on_currency_changed(currency_id, new_amount):
game_state.evaluate_all_goals()
evaluate_all_goals()
```
### Completion Flow
@@ -167,8 +167,8 @@ signal goal_progress_changed(goal_id: StringName, progress: float)
## Integration Points
### With GameState
- Goals auto-discovered from `res://sandbox/goals/`
### With LevelGameState
- Goals registered from `GoalCatalogue` assigned to `LevelGameState`
- Completion state saved to JSON
- Buff unlock goals checked automatically
@@ -178,15 +178,15 @@ signal goal_progress_changed(goal_id: StringName, progress: float)
@export var unlock_goal: GoalData
# When goal completes, buff auto-unlocks:
GameState._try_unlock_buff_from_goal(buff)
level_game_state._try_unlock_buff_from_goal(buff)
```
### With Prestige
- Goal completion state persists through prestige
- Reset via `GameState.reset_for_prestige()`
- Reset via `LevelGameState.reset_for_prestige()`
## See Also
- `core/game_state.gd` - Goal state management
- `generator/currency_generator_data.gd` - Generator unlock goals
- `generator/generator_buff_data.gd` - Buff unlock goals
- `core/level_game_state.gd` - Goal state management
- `core/generator/currency_generator_data.gd` - Generator unlock goals
- `core/generator/generator_buff_data.gd` - Buff unlock goals

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core/prestige/README.md
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@@ -292,6 +292,6 @@ multiplier_per_prestige = 0.05
## See Also
- `core/game_state.gd` - State persistence
- `generator/currency_generator.gd` - Multiplier application
- `core/level_game_state.gd` - State persistence
- `core/generator/currency_generator.gd` - Multiplier application
- `core/big_number.gd` - Large number math