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feat: Add comprehensive Objectives and Tasks Guide with examples and best practices
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Z. Cliffe Schreuders
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docs/OBJECTIVES_AND_TASKS_GUIDE.md
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docs/OBJECTIVES_AND_TASKS_GUIDE.md
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# Objectives and Tasks Guide
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This guide covers how to add achievements and tasks to Break Escape scenarios using the objectives system.
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## Overview
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The objectives system allows you to:
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- Define **Aims** (high-level goals) containing multiple **Tasks**
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- Track player progress through dialogue-triggered tags
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- Lock/unlock aims and tasks dynamically via NPC conversations
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- Trigger NPC conversations when objectives are completed
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- Sync progress with the server for persistence
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## Quick Start
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### 1. Define Objectives in scenario.json
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```json
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{
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"objectives": [
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{
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"id": "main_mission",
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"title": "Primary Mission",
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"description": "Complete the main objectives",
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"status": "active",
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"aims": [
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{
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"id": "gather_intel",
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"title": "Gather Intelligence",
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"status": "active",
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"tasks": [
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{
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"id": "talk_to_alice",
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"title": "Talk to Alice",
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"status": "active"
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},
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{
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"id": "talk_to_bob",
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"title": "Talk to Bob",
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"status": "locked"
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}
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]
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},
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{
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"id": "secret_mission",
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"title": "Secret Mission",
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"status": "locked",
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"tasks": [
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{
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"id": "secret_task_1",
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"title": "Complete secret objective",
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"status": "locked"
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}
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]
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}
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]
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}
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]
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}
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```
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### 2. Control Objectives from Ink Dialogue
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Use these Ink tags in your `.ink` files:
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```ink
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=== first_meeting ===
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Great to meet you! This task is now complete.
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#complete_task:talk_to_alice
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You should go talk to Bob next - I just unlocked that task.
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#unlock_task:talk_to_bob
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-> hub
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=== reveal_secret ===
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I'll let you in on a secret mission...
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#unlock_aim:secret_mission
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The first task is now available.
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#unlock_task:secret_task_1
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-> hub
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```
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## Ink Tags Reference
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| Tag | Description | Example |
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|-----|-------------|---------|
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| `#complete_task:task_id` | Marks a task as completed | `#complete_task:talk_to_alice` |
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| `#unlock_task:task_id` | Unlocks a locked task | `#unlock_task:secret_task_1` |
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| `#unlock_aim:aim_id` | Unlocks an entire aim | `#unlock_aim:secret_mission` |
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## Task Statuses
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| Status | Description |
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|--------|-------------|
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| `active` | Task is visible and can be completed |
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| `locked` | Task is hidden until unlocked |
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| `completed` | Task has been finished |
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## Event-Triggered Conversations
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NPCs can automatically start conversations when objectives are completed:
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```json
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{
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"id": "alice",
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"displayName": "Alice",
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"storyPath": "scenarios/my_scenario/alice.json",
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"eventMappings": [
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{
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"eventPattern": "objective_aim_completed:secret_mission",
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"targetKnot": "final_debrief",
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"autoTrigger": true,
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"background": "assets/backgrounds/office.png"
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}
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]
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}
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```
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### Event Patterns
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| Pattern | Fires When |
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|---------|------------|
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| `objective_aim_completed:aim_id` | Specific aim is completed |
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| `objective_task_completed:task_id` | Specific task is completed |
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| `objective_aim_completed` | Any aim is completed |
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| `objective_task_completed` | Any task is completed |
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## Global Variables for Cross-NPC State
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Define variables that sync across all NPC conversations:
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```json
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{
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"globalVariables": {
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"alice_talked": false,
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"bob_talked": false,
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"secret_revealed": false
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}
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}
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```
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In Ink files, declare and use these variables:
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```ink
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// alice.ink
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VAR alice_talked = false
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VAR bob_talked = false
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=== hub ===
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+ {not alice_talked} [Nice to meet you]
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-> first_meeting
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+ {alice_talked and bob_talked} [What's next?]
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-> next_steps
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```
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**Important:** Declare global variables in BOTH Ink files that use them.
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## Complete Example
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### scenario.json.erb
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```json
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{
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"scenario_brief": "Investigate the facility",
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"startRoom": "lobby",
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"globalVariables": {
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"alice_talked": false,
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"mission_complete": false
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},
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"objectives": [
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{
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"id": "investigation",
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"title": "Investigation",
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"status": "active",
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"aims": [
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{
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"id": "gather_info",
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"title": "Gather Information",
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"status": "active",
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"tasks": [
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{
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"id": "talk_to_alice",
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"title": "Speak with Alice",
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"status": "active"
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},
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{
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"id": "find_evidence",
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"title": "Find the evidence",
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"status": "locked"
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}
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]
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}
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]
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}
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],
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"rooms": {
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"lobby": {
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"type": "room_office",
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"npcs": [
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{
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"id": "alice",
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"displayName": "Alice",
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"npcType": "person",
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"position": { "x": 5, "y": 5 },
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"storyPath": "scenarios/my_scenario/alice.json",
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"eventMappings": [
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{
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"eventPattern": "objective_task_completed:find_evidence",
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"targetKnot": "evidence_found",
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"autoTrigger": true
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}
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]
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}
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]
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}
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}
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}
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```
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### alice.ink
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```ink
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VAR alice_talked = false
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=== start ===
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Hello there! Welcome to the facility.
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-> hub
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=== hub ===
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+ {not alice_talked} [I need your help]
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-> first_meeting
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+ {alice_talked} [Any updates?]
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-> check_progress
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+ [I need to go]
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See you later!
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#exit_conversation
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-> hub
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=== first_meeting ===
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Of course! Let me tell you what I know...
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#complete_task:talk_to_alice
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~ alice_talked = true
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There's evidence hidden in the server room. I've unlocked that task for you.
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#unlock_task:find_evidence
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-> hub
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=== check_progress ===
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Have you found the evidence yet? Keep looking!
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-> hub
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=== evidence_found ===
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// Triggered automatically when find_evidence task is completed
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You found it! Excellent work, agent.
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~ mission_complete = true
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The investigation is complete.
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#exit_conversation
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-> hub
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```
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## Best Practices
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### 1. Use the Hub Pattern
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Never use `-> END` in NPC dialogues. Always return to a hub:
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```ink
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=== hub ===
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+ [Option 1] -> do_thing_1
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+ [Option 2] -> do_thing_2
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+ [Goodbye]
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See you!
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#exit_conversation
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-> hub
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```
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### 2. Place Tags After Dialogue
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Put objective tags after the dialogue line they relate to:
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```ink
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// ✅ Good - tag fires after player sees the text
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Great work completing that task!
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#complete_task:my_task
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// ❌ Avoid - tag fires before text displays
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#complete_task:my_task
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Great work completing that task!
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```
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### 3. Chain Tasks Logically
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Unlock the next task when completing the current one:
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```ink
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=== complete_first_task ===
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You've finished the first part!
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#complete_task:task_1
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#unlock_task:task_2
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Now you can move on to the next step.
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-> hub
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```
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### 4. Use Conditional Choices
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Show different options based on task status using global variables:
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```ink
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=== hub ===
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+ {not task_1_done} [Start the mission]
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-> begin_mission
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+ {task_1_done and not task_2_done} [Continue the mission]
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-> continue_mission
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+ {task_2_done} [Finish up]
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-> wrap_up
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```
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### 5. Provide Feedback
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Always give the player clear feedback when objectives change:
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```ink
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=== unlock_secret ===
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I've got something special for you...
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#unlock_aim:secret_mission
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Check your objectives - a new mission has appeared!
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#unlock_task:secret_task_1
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The first task is ready. Good luck!
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-> hub
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```
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## Debugging Tips
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1. **Check browser console** for objective-related logs:
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- `🎯 Task completed: task_id`
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- `🔓 Task unlocked: task_id`
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- `🔓 Aim unlocked: aim_id`
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2. **Verify global variables** are declared in all Ink files that use them
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3. **Test event triggers** by watching for:
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- `📡 Emitting event: objective_task_completed:task_id`
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- `⚡ Event-triggered conversation: jumping to knot`
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4. **Use the objectives panel** (press `O` in-game) to see current status
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## Files Reference
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| File | Purpose |
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|------|---------|
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| `js/systems/objectives-manager.js` | Core objectives logic |
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| `js/minigames/helpers/chat-helpers.js` | Tag processing |
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| `js/systems/npc-conversation-state.js` | Global variable sync |
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| `docs/GLOBAL_VARIABLES.md` | Global variables documentation |
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@@ -36,3 +36,4 @@ Player:
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@@ -99,7 +99,7 @@
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"currentKnot": "hub",
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"timedConversation": {
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"delay": 0,
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"targetKnot": "group_meeting",
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"targetKnot": "hub",
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"background": "assets/backgrounds/hq1.png"
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}
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},
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