Complete Stage 7 asset manifest for Mission 4

- Complete character sprite and animation requirements - Robert Chen: 30 frames, Voltage: 24 frames, Operatives: 60 frames - Player combat animations: 24 new frames - Environment tilesets: 3 sets (industrial, control room, chemical storage) - Large environmental objects: 15 unique assets - Furniture and props: 30 objects - UI elements: 55 components including SCADA interface - Item icons: 25 unique icons - Audio: 300-350 total files (ambience, SFX, VO, music) - Voice acting: 245-295 lines estimated - Music: 5 original tracks (15-20 minutes) - Asset production phases and priorities - Technical specifications for all asset types - Complete file structure organization
2026-02-21 11:18:08 +00:00 · 2026-01-14 09:46:33 +00:00
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+# Mission 4: "Critical Failure" - Stage 7: Asset Manifest
+
+**Mission ID:** m04_critical_failure
+**Stage:** 7 - Asset Manifest
+**Version:** 1.0
+**Date:** 2025-12-28
+
+---
+
+## Overview
+
+This document provides a complete manifest of all assets required for Mission 4 "Critical Failure," including character sprites, animations, environment art, UI elements, sound effects, music, and item icons. All assets are categorized by type and linked to their usage within the mission.
+
+---
+
+## Character Sprites & Animations
+
+### Robert Chen (Facility Manager)
+
+**Sprite File:** `robert_chen.png`
+**Dimensions:** 32x32 base sprite (scaled for display)
+**Variations:** 6 emotional states
+
+**Costume Elements:**
+- Facility polo shirt (blue with logo)
+- Khaki pants
+- Glasses (defining feature)
+- Safety shoes
+- Tablet or clipboard in hand
+
+**Sprite Variations:**
+
+1. **Default (Neutral):**
+   - Idle stance
+   - Holding tablet
+   - Professional posture
+
+2. **Annoyed (Act 1 - Initial Meeting):**
+   - Crossed arms or hand on hip
+   - Slight frown
+   - Defensive body language
+
+3. **Alarmed (Discovery):**
+   - Wide eyes behind glasses
+   - Leaning forward
+   - Urgent gestures
+
+4. **Focused (Act 2 - Crisis Mode):**
+   - At SCADA terminal
+   - Intense concentration
+   - Working posture
+
+5. **Stressed (Act 3 - Emergency):**
+   - Running hand through hair
+   - Rubbing eyes
+   - Tension visible
+
+6. **Grateful (Resolution):**
+   - Relaxed shoulders
+   - Slight smile
+   - Relief visible
+
+**Animations Required:**
+
+- `chen_idle` - Standing with tablet (loop)
+- `chen_walk` - Professional walking pace (4 frames)
+- `chen_talk` - Gesturing while explaining (4 frames, loop)
+- `chen_work_terminal` - Typing at SCADA console (4 frames, loop)
+- `chen_stressed` - Adjusting glasses, running hand through hair (6 frames)
+- `chen_alarmed` - Sudden reaction, leaning forward (4 frames)
+- `chen_relieved` - Exhaling, slumping shoulders (4 frames)
+
+**Total Frames:** ~30 frames across all animations
+
+---
+
+### Voltage (Critical Mass Leader)
+
+**Sprite File:** `voltage.png`
+**Dimensions:** 32x32 base sprite
+**Variations:** 4 tactical states
+
+**Costume Elements:**
+- Dark cargo pants
+- Utility jacket
+- Tactical vest (modular pouches)
+- Combat boots
+- Radio earpiece
+- Gloves
+
+**Sprite Variations:**
+
+1. **Default (Tactical Awareness):**
+   - Alert stance
+   - Hand near equipment
+   - Confident posture
+
+2. **Working (Laptop Operation):**
+   - Seated at command laptop
+   - Focused on screen
+   - One hand on keyboard
+
+3. **Combat Ready:**
+   - Defensive stance
+   - Cover position
+   - Tactical movement
+
+4. **Threatened:**
+   - Hand near trigger laptop
+   - Tense posture
+   - Ready to act
+
+**Animations Required:**
+
+- `voltage_idle` - Tactical stance (loop)
+- `voltage_walk` - Confident tactical movement (4 frames)
+- `voltage_work_laptop` - Operating attack trigger (4 frames, loop)
+- `voltage_combat` - Combat defensive posture (4 frames)
+- `voltage_escape` - Running toward loading dock (6 frames)
+- `voltage_captured` - Hands restrained, defiant (static or 2 frames)
+
+**Total Frames:** ~24 frames
+
+---
+
+### Critical Mass Operatives (×3)
+
+**Sprite Files:** `operative_cipher.png`, `operative_relay.png`, `operative_static.png`
+**Dimensions:** 32x32 base sprite each
+**Shared Base Design:** Tactical casual clothing with variations
+
+**Operative #1 (Cipher) - Technical Specialist:**
+- Lighter tactical gear
+- Tool belt visible
+- Working posture default
+
+**Operative #2 (Relay) - Security/Patrol:**
+- Medium tactical vest
+- Patrol stance default
+- Alert scanning posture
+
+**Operative #3 (Static) - Heavy Support:**
+- Heavier tactical vest
+- Solid build
+- Defensive stance default
+
+**Shared Animations:**
+
+- `operative_idle` - Alert stance (loop)
+- `operative_walk` - Tactical patrol (4 frames)
+- `operative_run` - Combat movement (4 frames)
+- `operative_combat` - Fighting stance (4 frames)
+- `operative_work` - Tampering with equipment (4 frames, Cipher only)
+- `operative_patrol` - Looking around (4 frames, Relay only)
+- `operative_defeated` - Incapacitated on ground (static)
+
+**Total Frames per Operative:** ~20 frames each
+**Combined Total:** ~60 frames for all three
+
+---
+
+### Agent 0x99 (Handler - Video/Portrait)
+
+**Asset Files:** `agent_0x99_portrait.png`, `agent_0x99_video_background.png`
+**Format:** Portrait for dialogue, video call background
+**Dimensions:** 128x128 portrait, 320x240 video background
+
+**Variations:**
+
+1. **Neutral (Briefing):**
+   - Professional composure
+   - SAFETYNET facility background
+
+2. **Concerned (Mid-mission updates):**
+   - Slight worry
+   - Urgency visible
+
+3. **Satisfied (Debrief):**
+   - Approval
+   - Mission success acknowledged
+
+**Animations:** Minimal (talking portrait with mouth movement, 2-3 frames)
+
+**Total Frames:** ~6 frames (portrait variations)
+
+---
+
+### Security Guard (Minor NPC)
+
+**Sprite File:** `security_guard.png`
+**Dimensions:** 32x32 base sprite
+**Variations:** 2 states
+
+**Costume:**
+- Security uniform
+- Badge visible
+- Seated at desk default
+
+**Animations:**
+
+- `guard_idle_seated` - At desk (loop)
+- `guard_talk` - Conversation (2 frames)
+- `guard_check_credentials` - Examining clipboard (4 frames)
+- `guard_wave_through` - Gesturing to entry (2 frames)
+
+**Total Frames:** ~10 frames
+
+---
+
+### Background Employees (Ambient NPCs)
+
+**Sprite Files:** `employee_generic_1.png` through `employee_generic_4.png`
+**Dimensions:** 32x32 base sprite each
+**Purpose:** Ambient movement, shift change atmosphere
+
+**Variations:**
+- Facility work uniforms (various colors)
+- Lab coats (technicians)
+- Casual work clothes
+- Diverse appearances
+
+**Animations (Shared):**
+
+- `employee_walk` - Casual walking (4 frames)
+- `employee_talk` - Background conversation (2 frames)
+- `employee_idle` - Standing (loop)
+
+**Total Frames:** ~8 frames per employee × 4 = ~32 frames
+
+---
+
+### Player Character (Agent 0x00)
+
+**Sprite File:** `player_agent.png`
+**Dimensions:** 32x32 base sprite
+**Variations:** Combat and stealth states (inherited from M1-M3)
+
+**Mission 4 Specific Additions:**
+
+**Combat Animations (New for M4):**
+- `player_combat_idle` - Combat ready stance (loop)
+- `player_combat_attack` - Non-lethal takedown (6 frames)
+- `player_combat_dodge` - Evasive movement (4 frames)
+- `player_stealth_takedown` - Silent incapacitation (6 frames)
+- `player_use_cover` - Behind cover position (4 frames)
+
+**Total New Frames for M4:** ~24 combat-specific frames
+
+---
+
+## Environment Art Assets
+
+### Room Tilesets
+
+**Tileset Files Required:**
+
+1. **Industrial Facility Base Tileset** (`tileset_industrial.png`)
+   - Concrete floors (normal, worn, cracked variations)
+   - Industrial walls (painted, bare concrete)
+   - Metal grating (walkways, platforms)
+   - Ceiling tiles (drop ceiling, exposed beams)
+   - Doors (standard, secure, emergency exit)
+   - Windows (office, high industrial)
+
+2. **SCADA/Control Room Tileset** (`tileset_control_room.png`)
+   - Technical flooring (raised floor panels)
+   - Monitor arrays (wall-mounted)
+   - Control panels (various sizes)
+   - Server racks (with LED indicators)
+   - Cable management (overhead, floor)
+
+3. **Chemical Storage Tileset** (`tileset_chemical_storage.png`)
+   - Chemical tanks (yellow, hazard-marked)
+   - Containment berms
+   - Safety stations (eye wash, showers)
+   - Hazard signage
+   - Ventilation equipment
+
+**Tile Dimensions:** 32x32 pixels per tile
+**Estimated Tileset Sizes:** 512x512 pixels each (256 tiles per set)
+
+---
+
+### Large Environmental Objects
+
+**Industrial Equipment:**
+
+1. **Treatment Tanks** (`obj_treatment_tank.png`)
+   - Large cylindrical tanks
+   - Metallic texture
+   - Variations: 128x128 pixels
+
+2. **Pump Systems** (`obj_pump_station.png`)
+   - Industrial pumps with pipes
+   - Variations: 96x96 pixels
+
+3. **Chemical Storage Tanks** (`obj_chemical_tank.png`)
+   - Yellow hazard tanks
+   - Skull/crossbones symbols
+   - Variations: 96x128 pixels (tall)
+
+4. **Backup Generator** (`obj_generator.png`)
+   - Large industrial generator
+   - Running state indicators
+   - Size: 128x96 pixels
+
+5. **Server Racks** (`obj_server_rack.png`)
+   - Multiple racks with LED indicators
+   - Variations: Pristine, tampered
+   - Size: 64x96 pixels (tall)
+
+6. **SCADA Monitor Array** (`obj_scada_monitors.png`)
+   - Wall-mounted monitor bank
+   - Multiple screens showing data
+   - Size: 192x128 pixels (wide)
+
+7. **Metal Catwalks** (`obj_catwalk.png`)
+   - Walkway sections
+   - Railings visible
+   - Tileable: 32x64 pixels per section
+
+**Total Large Object Assets:** ~15 unique objects with variations
+
+---
+
+### Furniture & Props
+
+**Office Furniture:**
+- `obj_desk.png` - Standard office desk (64x32)
+- `obj_cubicle_divider.png` - Office cubicle walls (32x48)
+- `obj_filing_cabinet.png` - 4-drawer cabinet (32x48)
+- `obj_office_chair.png` - Rolling chair (24x24)
+- `obj_coffee_station.png` - Coffee maker area (48x32)
+- `obj_water_cooler.png` - Water dispenser (24x48)
+
+**Industrial Props:**
+- `obj_tool_bench.png` - Workbench with tools (96x48)
+- `obj_tool_cache.png` - Tool storage locker (48x64)
+- `obj_forklift.png` - Loading dock forklift (64x96)
+- `obj_pallet_jack.png` - Hand pallet jack (32x64)
+- `obj_storage_container.png` - Large shipping container (128x96)
+
+**Security/Safety:**
+- `obj_security_desk.png` - Security checkpoint desk (96x48)
+- `obj_metal_detector.png` - Archway scanner (48x96)
+- `obj_fire_extinguisher.png` - Wall-mounted extinguisher (16x32)
+- `obj_first_aid_station.png` - First aid cabinet (32x48)
+- `obj_eye_wash_station.png` - Emergency eye wash (32x48)
+
+**Technical Equipment:**
+- `obj_control_terminal.png` - SCADA operator station (64x64)
+- `obj_network_terminal.png` - Server room workstation (64x48)
+- `obj_laptop_entropy.png` - Attack trigger laptop (32x24)
+- `obj_radio_equipment.png` - Communications gear (48x32)
+
+**Total Furniture/Props:** ~30 unique assets
+
+---
+
+### Interactive Objects (Special States)
+
+**Dosing Control Panels** (`obj_dosing_control_1/2/3.png`):
+- Normal state
+- Bypass device installed (visible tampering)
+- Warning indicators active
+- Disabled state (after Task 3.2)
+- Size: 48x64 pixels
+- 4 states × 3 panels = 12 variations
+
+**Doors with States:**
+- `obj_door_closed.png` - Standard closed door
+- `obj_door_open.png` - Open door
+- `obj_door_locked.png` - Locked (keycard reader visible)
+- `obj_door_emergency.png` - Emergency exit (alarm bar)
+- 4 variations × 3 types (standard, secure, maintenance) = 12 door assets
+
+**ENTROPY Equipment:**
+- `obj_tactical_vest.png` - Operative equipment (48x48)
+- `obj_radio_encrypted.png` - Encrypted radio (24x24)
+- `obj_bypass_device.png` - Attack hardware (32x32)
+- `obj_entropy_van.png` - Rental van exterior (128x96)
+
+---
+
+## UI Elements
+
+### SCADA Interface
+
+**Main SCADA Display** (`ui_scada_main.png`):
+- Full screen overlay: 800x600 pixels
+- Monitor frame with facility status
+- Color-coded indicators (green/yellow/orange/red)
+- Parameter readouts
+- Alert log section
+
+**SCADA Components (Modular):**
+
+1. **Status Indicators** (`ui_scada_indicators.png`):
+   - Circular gauges (green/yellow/red states)
+   - Size: 64x64 per gauge
+   - Variations: 3 colors × 4 gauge types = 12 assets
+
+2. **Parameter Displays** (`ui_scada_parameters.png`):
+   - Numerical readouts
+   - Trend graphs (line charts)
+   - Size: 128x96 per display panel
+
+3. **Alert Banners** (`ui_scada_alerts.png`):
+   - Warning banners (yellow)
+   - Critical alerts (red, flashing)
+   - Info notices (blue)
+   - Size: 400x48 per banner type
+
+4. **Chemical Dosing Readout** (`ui_dosing_display.png`):
+   - Station 1, 2, 3 individual displays
+   - Current ppm levels
+   - Warning thresholds visible
+   - Size: 256x128 per station display
+
+**Urgency Stage Visual Progression:**
+- Stage 1: All green indicators
+- Stage 2: Yellow warnings appear
+- Stage 3: Orange/red warnings, multiple systems
+- Stage 4: Flashing red, emergency state
+- Stage 5: Clearing warnings, stabilizing
+
+**Total SCADA UI Assets:** ~25 components
+
+---
+
+### Mission-Specific UI
+
+**Urgency Stage Indicator** (`ui_urgency_indicator.png`):
+- Replaces timer UI
+- 5 stage progression bar
+- Visual: Facility status icon with color progression
+- Size: 64x16 pixels
+- States: 5 variations (green → red)
+
+**Objective Panel Updates:**
+- Standard Break Escape objective UI
+- M4-specific task icons for:
+  - SCADA investigation icon
+  - Combat encounter icon
+  - Flag submission icon
+  - Attack disabling icon
+
+**Chen Trust Level Indicator** (Optional):
+- Subtle UI element showing cooperation level
+- 5 states: Defensive → Cooperative → Strong Ally
+- Size: 32x32 icon
+
+**Radio Monitoring Interface** (`ui_radio_monitor.png`):
+- If player obtains encrypted radio from Operative #1
+- Shows operative chatter
+- Scrolling text display
+- Size: 300x100 pixels
+
+---
+
+### Item Icons
+
+**Required Item Icons (32x32 pixels each):**
+
+**Access Items:**
+- `icon_visitor_badge.png` - Visitor ID badge
+- `icon_keycard_level1.png` - Blue keycard
+- `icon_keycard_level2.png` - Yellow keycard
+- `icon_keycard_master.png` - Red keycard
+
+**Evidence Items:**
+- `icon_maintenance_logs.png` - Document/clipboard
+- `icon_security_logs.png` - Security report
+- `icon_scada_data.png` - Data file icon
+- `icon_optigrid_badge.png` - OptiGrid ID badge
+
+**Intelligence Items:**
+- `icon_cipher_note.png` - Handwritten note
+- `icon_relay_note.png` - Intelligence document
+- `icon_comm_log.png` - Communication logs
+- `icon_architect_comm.png` - Special encrypted message
+- `icon_facility_log.png` - Multi-facility access records
+- `icon_planning_usb.png` - USB drive
+
+**Equipment Items:**
+- `icon_encrypted_radio.png` - Tactical radio
+- `icon_flashlight.png` - Flashlight
+- `icon_facility_map.png` - Facility blueprint
+
+**VM Flags (Special Icons):**
+- `icon_flag_network_scan.png` - Network topology flag
+- `icon_flag_ftp.png` - FTP intelligence flag
+- `icon_flag_http.png` - HTTP analysis flag
+- `icon_flag_distcc.png` - Distcc exploit flag
+
+**Total Item Icons:** ~25 icons
+
+---
+
+## Sound Effects
+
+### Environmental Ambience
+
+**Facility Ambient Loops:**
+
+1. **`amb_facility_normal.ogg`**
+   - Machinery hum (40-60 Hz)
+   - Water flow sounds
+   - Ventilation white noise
+   - Duration: 2 minutes (loop)
+   - Volume: Background level
+
+2. **`amb_control_room.ogg`**
+   - Electronic equipment hum
+   - SCADA terminal beeps (occasional)
+   - HVAC system
+   - Duration: 2 minutes (loop)
+
+3. **`amb_treatment_floor.ogg`**
+   - Loud industrial pumps
+   - Water treatment sounds
+   - Metal clanking
+   - Echoing acoustics
+   - Duration: 2 minutes (loop)
+
+4. **`amb_chemical_storage.ogg`**
+   - Ventilation fans (prominent)
+   - Chemical pump operation
+   - Safety system status tones
+   - Duration: 2 minutes (loop)
+
+5. **`amb_server_room.ogg`**
+   - Server fan noise (constant, loud)
+   - Hard drive activity
+   - Cooling system
+   - Network switch clicks
+   - Duration: 2 minutes (loop)
+
+6. **`amb_loading_dock.ogg`**
+   - Outdoor ambient (birds, distant traffic)
+   - Facility machinery audible from outside
+   - Vehicle sounds (occasional)
+   - Duration: 2 minutes (loop)
+
+---
+
+### Urgency Stage Sound Design
+
+**Stage 1 (Normal Operations):**
+- `alert_stage1_beep.ogg` - Occasional system beep (Info level)
+- Calm background ambience
+
+**Stage 2 (Anomaly Detected):**
+- `alert_stage2_warning.ogg` - Alert beeps (more frequent)
+- `scada_warning_tone.ogg` - Low priority warning sound
+- Irregular pump sounds added to ambient
+
+**Stage 3 (Critical Warning):**
+- `alert_stage3_urgent.ogg` - Frequent alert tones
+- `alarm_prewarn.ogg` - Pre-alarm klaxon (low volume)
+- `steam_release.ogg` - Pressure relief sounds
+- `pa_safety_reminder.ogg` - Facility PA announcements
+
+**Stage 4 (Emergency):**
+- `alarm_stage4_emergency.ogg` - Full klaxon alarm (loud, piercing)
+- `emergency_broadcast.ogg` - Emergency tone pattern
+- `chemical_leak_alarm.ogg` - Gas detection warning
+- `evacuation_announcement.ogg` - PA evacuation order
+
+**Stage 5 (Stabilizing):**
+- `alarm_silence.ogg` - Alarms powering down
+- `system_stabilize.ogg` - Alert tones decreasing frequency
+- `all_clear_tone.ogg` - Single tone indicating crisis resolved
+
+**Total Urgency Sounds:** ~15 sound effects
+
+---
+
+### Combat Sounds
+
+**Player Combat:**
+- `combat_punch.ogg` - Melee hit (non-lethal)
+- `combat_takedown.ogg` - Takedown impact
+- `combat_dodge.ogg` - Evasive movement sound
+- `stealth_takedown.ogg` - Silent incapacitation (quiet)
+
+**Operative Combat:**
+- `operative_grunt.ogg` - Combat effort sound (×3 variations)
+- `operative_alert_shout.ogg` - "Intruder!" alert
+- `operative_defeated.ogg` - Incapacitation sound
+- `operative_footsteps_run.ogg` - Running footsteps
+
+**Combat Environmental:**
+- `cover_impact.ogg` - Hitting cover (metal/concrete)
+- `equipment_knock.ogg` - Bumping into equipment
+- `metal_clang.ogg` - Industrial metal impact
+
+**Total Combat Sounds:** ~15 sound effects
+
+---
+
+### Interaction Sounds
+
+**Doors:**
+- `door_open.ogg` - Standard door opening
+- `door_close.ogg` - Door closing
+- `door_locked.ogg` - Locked door rattle
+- `door_keycard.ogg` - Keycard reader beep (success)
+- `door_keycard_fail.ogg` - Access denied beep
+
+**Computers/Terminals:**
+- `terminal_login.ogg` - Computer access
+- `terminal_typing.ogg` - Keyboard typing (loop)
+- `terminal_logout.ogg` - Log off sound
+- `vm_launch.ogg` - VM challenge starting
+- `flag_submit.ogg` - Flag submission success
+
+**Items:**
+- `item_pickup.ogg` - Collecting item
+- `item_examine.ogg` - Inspecting object
+- `keycard_obtain.ogg` - Receiving access card
+- `radio_static.ogg` - Encrypted radio activation
+
+**SCADA Interactions:**
+- `scada_parameter_change.ogg` - Adjusting settings
+- `scada_override.ogg` - Manual override action
+- `attack_disable.ogg` - Disabling attack vector (satisfying sound)
+
+**Total Interaction Sounds:** ~20 sound effects
+
+---
+
+### Dialogue & Voice
+
+**Voice Acting Files:**
+- Total estimated: 245-295 voice lines (from Stage 6)
+- Format: .ogg, mono, 44.1kHz
+- Naming: `vo_[character]_[scene]_[line#].ogg`
+
+**Example Structure:**
+- `vo_chen_initial_meeting_01.ogg` through `vo_chen_initial_meeting_50.ogg`
+- `vo_voltage_confrontation_01.ogg` through `vo_voltage_confrontation_45.ogg`
+- `vo_0x99_briefing_01.ogg` through `vo_0x99_briefing_30.ogg`
+
+**Radio Chatter (Operative Communications):**
+- `radio_cipher_alert_01.ogg` - "Voltage, we're compromised!"
+- `radio_relay_patrol_01.ogg` - "Relay, all clear in sector 2"
+- `radio_static_support_01.ogg` - "Voltage, we have company!"
+- Processed with radio effect (compression, static)
+
+---
+
+## Music & Soundscapes
+
+### Music Tracks
+
+**Mission 4 requires 5 music tracks:**
+
+1. **`music_m04_infiltration.ogg`**
+   - Mood: Tense investigation, underlying urgency
+   - Tempo: Moderate (90-100 BPM)
+   - Instruments: Electronic tension, industrial percussion
+   - Duration: 3-4 minutes (loop)
+   - Usage: Act 1, facility entry and investigation
+
+2. **`music_m04_investigation.ogg`**
+   - Mood: Active investigation, building tension
+   - Tempo: Moderate-fast (100-110 BPM)
+   - Instruments: Electronic pulses, strings for urgency
+   - Duration: 4-5 minutes (loop)
+   - Usage: Act 2, SCADA investigation and VM challenges
+
+3. **`music_m04_combat.ogg`**
+   - Mood: Action intensity, tactical engagement
+   - Tempo: Fast (120-130 BPM)
+   - Instruments: Heavy electronic beats, aggressive synths
+   - Duration: 2-3 minutes (loop)
+   - Usage: Combat encounters
+
+4. **`music_m04_crisis.ogg`**
+   - Mood: Maximum urgency, race against time
+   - Tempo: Very fast (130-140 BPM)
+   - Instruments: Driving percussion, intense synths, industrial sounds
+   - Duration: 3-4 minutes (loop)
+   - Usage: Act 3, Voltage confrontation and attack disabling
+
+5. **`music_m04_resolution.ogg`**
+   - Mood: Relief, reflection, victory with consequences
+   - Tempo: Slow-moderate (70-80 BPM)
+   - Instruments: Ambient pads, subtle melodies, calming progression
+   - Duration: 2-3 minutes (no loop, plays through to debrief)
+   - Usage: Crisis resolved, Chen farewell, 0x99 debrief
+
+**Total Music Duration:** ~15-20 minutes of original music
+
+---
+
+### Dynamic Music System
+
+**Urgency-Linked Music Transitions:**
+
+- **Stage 1-2:** `music_m04_infiltration.ogg` → `music_m04_investigation.ogg`
+- **Combat Triggered:** Crossfade to `music_m04_combat.ogg`
+- **Stage 3-4:** Intensify to `music_m04_crisis.ogg`
+- **Stage 5:** Calm to `music_m04_resolution.ogg`
+
+**Transition Method:** 2-second crossfade between tracks
+
+---
+
+## Asset Summary by Category
+
+### Character Assets
+
+| Category | Count | Total Frames/Files |
+|----------|-------|-------------------|
+| Robert Chen | 1 character | ~30 animation frames |
+| Voltage | 1 character | ~24 animation frames |
+| Operatives | 3 characters | ~60 animation frames |
+| Agent 0x99 | 1 character | ~6 portrait frames |
+| Security Guard | 1 character | ~10 animation frames |
+| Background Employees | 4 characters | ~32 animation frames |
+| Player (M4 additions) | 1 character | ~24 new combat frames |
+| **TOTAL** | **12 characters** | **~186 animation frames** |
+
+---
+
+### Environment Assets
+
+| Category | Count | Notes |
+|----------|-------|-------|
+| Tilesets | 3 sets | 512x512 each, ~256 tiles per set |
+| Large Objects | 15 objects | Treatment tanks, pumps, servers, etc. |
+| Furniture/Props | 30 objects | Desks, benches, equipment |
+| Interactive Objects | 24 objects | Doors, panels, special states |
+| **TOTAL** | **72 unique assets** | Plus tileset variations |
+
+---
+
+### UI Assets
+
+| Category | Count | Notes |
+|----------|-------|-------|
+| SCADA Interface Components | 25 elements | Gauges, displays, alerts, readouts |
+| Mission UI | 5 elements | Urgency indicator, objective icons |
+| Item Icons | 25 icons | Access, evidence, intelligence, equipment |
+| **TOTAL** | **55 UI elements** | 32x32 to 800x600 pixels |
+
+---
+
+### Audio Assets
+
+| Category | Count | Duration/Notes |
+|----------|-------|----------------|
+| Environmental Ambience | 6 loops | 2 minutes each, looping |
+| Urgency Stage Sounds | 15 effects | Alert tones, alarms, PA announcements |
+| Combat Sounds | 15 effects | Punches, takedowns, footsteps |
+| Interaction Sounds | 20 effects | Doors, terminals, items |
+| Voice Acting | 245-295 lines | Robert Chen, Voltage, 0x99, others |
+| Music Tracks | 5 tracks | 15-20 minutes total original music |
+| **TOTAL** | **~300-350 audio files** | Includes all VO, SFX, music |
+
+---
+
+## Asset Production Priority
+
+### Phase 1: Critical Path Assets (Week 1-2)
+
+**Essential for Core Gameplay:**
+1. Player combat animations (24 frames)
+2. Robert Chen sprites and animations (30 frames)
+3. Voltage sprites and animations (24 frames)
+4. Operative sprites (basic, 60 frames)
+5. Industrial facility tileset (512x512)
+6. SCADA interface UI (25 components)
+7. Core ambient sounds (6 loops)
+8. Item icons (25 icons)
+
+**Estimated Time:** 80-100 hours (art) + 40-60 hours (audio)
+
+---
+
+### Phase 2: NPC & Environment Assets (Week 3-4)
+
+**Enhances Atmosphere:**
+1. Security guard and background employees (42 frames)
+2. Agent 0x99 portraits (6 frames)
+3. SCADA/Chemical storage tilesets (1024x512 combined)
+4. Furniture and props (30 objects)
+5. Large environmental objects (15 objects)
+6. Urgency stage sound effects (15 sounds)
+7. Combat sounds (15 sounds)
+
+**Estimated Time:** 60-80 hours (art) + 30-40 hours (audio)
+
+---
+
+### Phase 3: Polish & Voice (Week 5-6)
+
+**Final Quality:**
+1. Interactive object special states (24 variations)
+2. Interaction sounds (20 effects)
+3. Voice acting recording (245-295 lines)
+4. Music composition (5 tracks, 15-20 minutes)
+5. UI polish and effects
+6. Environmental details
+
+**Estimated Time:** 40-60 hours (art) + 80-100 hours (audio + VO)
+
+---
+
+## Asset File Structure
+
+```
+assets/missions/m04_critical_failure/
+├── sprites/
+│   ├── characters/
+│   │   ├── robert_chen.png
+│   │   ├── voltage.png
+│   │   ├── operative_cipher.png
+│   │   ├── operative_relay.png
+│   │   ├── operative_static.png
+│   │   ├── agent_0x99_portrait.png
+│   │   ├── security_guard.png
+│   │   └── employee_generic_[1-4].png
+│   ├── player/
+│   │   └── player_agent_combat.png
+│   └── objects/
+│       ├── industrial/
+│       ├── furniture/
+│       └── props/
+├── tilesets/
+│   ├── tileset_industrial.png
+│   ├── tileset_control_room.png
+│   └── tileset_chemical_storage.png
+├── ui/
+│   ├── scada/
+│   │   ├── ui_scada_main.png
+│   │   ├── ui_scada_indicators.png
+│   │   └── ui_scada_parameters.png
+│   ├── mission/
+│   │   └── ui_urgency_indicator.png
+│   └── items/
+│       └── [icon files]
+├── audio/
+│   ├── ambience/
+│   │   └── [ambient loop files]
+│   ├── sfx/
+│   │   ├── urgency/
+│   │   ├── combat/
+│   │   └── interaction/
+│   ├── voice/
+│   │   ├── chen/
+│   │   ├── voltage/
+│   │   ├── 0x99/
+│   │   └── operatives/
+│   └── music/
+│       └── [music track files]
+└── README_ASSETS.md
+```
+
+---
+
+## Technical Specifications
+
+### Sprite Specifications
+
+- **Format:** PNG with transparency
+- **Base Size:** 32x32 pixels per character
+- **Color Depth:** 32-bit RGBA
+- **Scaling:** 2x or 3x for display (pixel art aesthetic)
+- **Animation Frame Rate:** 8-12 FPS (dependent on animation)
+
+### Tileset Specifications
+
+- **Format:** PNG with transparency where needed
+- **Tile Size:** 32x32 pixels
+- **Tileset Dimensions:** 512x512 pixels (16x16 tiles)
+- **Color Depth:** 32-bit RGBA
+- **Organization:** Logical grouping (floors, walls, objects)
+
+### UI Specifications
+
+- **Format:** PNG with transparency
+- **Dimensions:** Varied (32x32 for icons, up to 800x600 for overlays)
+- **Color Depth:** 32-bit RGBA
+- **Design Style:** Industrial/technical aesthetic matching facility theme
+
+### Audio Specifications
+
+**Sound Effects:**
+- **Format:** OGG Vorbis
+- **Sample Rate:** 44.1kHz
+- **Bit Depth:** 16-bit
+- **Channels:** Mono (ambient/SFX), Stereo (music)
+- **Compression:** Quality 5-7 (OGG)
+
+**Voice Acting:**
+- **Format:** OGG Vorbis
+- **Sample Rate:** 44.1kHz
+- **Bit Depth:** 16-bit
+- **Channels:** Mono
+- **Processing:** Noise reduction, normalization, radio effect for radio chatter
+
+**Music:**
+- **Format:** OGG Vorbis
+- **Sample Rate:** 44.1kHz
+- **Bit Depth:** 16-bit
+- **Channels:** Stereo
+- **Compression:** Quality 7-9 (OGG, higher quality for music)
+
+---
+
+## Asset Dependencies from Previous Missions
+
+**Reusable from M1-M3:**
+
+1. **Player Base Sprite:** Core player character design
+2. **Base UI Framework:** Objective panel, inventory, dialogue boxes
+3. **Agent 0x99 Portrait:** Consistent handler appearance
+4. **Generic SFX:** Footsteps, menu sounds, generic interactions
+5. **Base Tilesets:** Some generic office/industrial elements
+
+**Mission 4 Unique Requirements:**
+- Industrial water treatment facility environment (new)
+- SCADA interface UI (completely new)
+- Combat animations (new system)
+- Urgency progression sounds (new)
+- All character sprites except player and 0x99 (new)
+
+---
+
+## Success Criteria for Assets
+
+### Visual Quality:
+- 90%+ assets match industrial facility aesthetic
+- Character sprites clearly distinguishable
+- SCADA interface readable and authentic-looking
+- Animation framerate smooth at target FPS
+
+### Audio Quality:
+- 85%+ players report sound design enhanced immersion
+- Urgency progression audibly clear
+- Voice acting quality professional
+- Music supports emotional beats
+
+### Performance:
+- All assets optimized for target platform
+- Total asset package <500MB compressed
+- Load times <3 seconds per room transition
+- Smooth animation playback
+
+---
+
+## Stage 7 Completion Checklist
+
+- [x] Character sprite requirements defined
+- [x] Character animation frame counts estimated
+- [x] Environment tileset specifications complete
+- [x] Environmental object list comprehensive
+- [x] UI element requirements detailed
+- [x] Item icon manifest complete
+- [x] Sound effect categories defined
+- [x] Voice acting file structure planned
+- [x] Music track requirements specified
+- [x] Asset production priority phases outlined
+- [x] File structure organized
+- [x] Technical specifications documented
+
+---
+
+## Next Stage Preparation
+
+**Stage 8: VM Integration and SecGen Configuration**
+- SecGen scenario selection and configuration
+- VM network topology design
+- Flag placement and validation
+- Challenge difficulty tuning
+- VM-launcher and flag-station integration
+- Testing and validation procedures
+
+**Key Questions for Stage 8:**
+- What specific SecGen scenario best matches narrative?
+- How are VM challenges balanced for intermediate players?
+- What network configuration supports the SCADA investigation story?
+- How do we ensure flags are discoverable but not trivial?
+
+---
+
+**Status:** Stage 7 Complete - Ready for Stage 8
+**Estimated Asset Production Time:** 180-240 hours total (art + audio + VO)
+**Quality Assessment:** Comprehensive asset manifest with production priorities, technical specifications, and clear organization for art and audio teams
+
+---
+
+*Stage 7 establishes the complete asset requirements for Mission 4, providing detailed specifications for all visual, audio, and UI elements. The manifest supports efficient production planning with clear priorities and technical requirements.*