Phase 28 Session 1: Foundation - BiomeSystem & ChunkManager
WORLD EXPANSION - Foundation systems created: 1. BiomeSystem.js (250 lines) - 5 biome definitions (Grassland, Forest, Desert, Mountain, Swamp) - 500x500 biome map generation - Region-based biome placement - Feature spawn probability per biome - Biome-specific tile coloring - Transition detection - Statistics tracking 2. ChunkManager.js (200 lines) - 50x50 tile chunk system - 3x3 chunk loading (9 active chunks) - Auto-load/unload based on player position - Performance optimization (loads 22,500 tiles vs 250,000) - 91% memory reduction - Chunk caching and statistics 3. Documentation - PHASE28_WORLD_EXPANSION_PLAN.md (complete roadmap) - PHASE28_SESSION1_LOG.md (progress tracking) Integration: - Both systems added to index.html - Ready for GameScene integration Next steps: - Initialize BiomeSystem in GameScene - Initialize ChunkManager in GameScene - Update Flat2DTerrainSystem for biome support - Expand world to 500x500 - Update camera bounds Status: Foundation complete (60% of Session 1) Time: 40 minutes Files: 5 created, 1 modified
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docs/PHASE28_SESSION1_LOG.md
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# 🌍 PHASE 28 - SESSION 1 LOG
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**Date:** 15.12.2025 16:57
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**Session:** Foundation
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**Status:** IN PROGRESS ⚡
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---
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## ✅ **COMPLETED:**
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### **1. Planning** (5 min) ✅
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- Created `PHASE28_WORLD_EXPANSION_PLAN.md`
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- Defined 6-session roadmap
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- Specified biome details
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- Set technical architecture
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### **2. BiomeSystem.js** (15 min) ✅
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**File:** `src/systems/BiomeSystem.js` (250 lines)
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**Features:**
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- 5 biome definitions (Grassland, Forest, Desert, Mountain, Swamp)
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- Biome map generation (500x500)
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- Region-based biome placement
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- Feature spawn probability per biome
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- Tile color per biome
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- Biome transition detection
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- Statistics export
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**Biomes:**
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- **Grassland:** Green, 5% trees, farm area
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- **Forest:** Dark green, 60% trees, rainy
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- **Desert:** Tan, cacti, hot
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- **Mountain:** Gray, rocks, cold
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- **Swamp:** Dark green, fog, water
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### **3. ChunkManager.js** (15 min) ✅
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**File:** `src/systems/ChunkManager.js` (200 lines)
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**Features:**
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- 50x50 tile chunks
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- 3x3 chunk loading (9 chunks active)
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- Auto-load/unload based on player position
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- Chunk caching
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- Performance optimization
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- Statistics tracking
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**Performance:**
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- Only loads ~22,500 tiles at once (9 chunks)
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- Instead of all 250,000 tiles!
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- 91% memory reduction!
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### **4. Integration** (5 min) ✅
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- Added both systems to `index.html`
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- Scripts loaded in correct order
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---
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## ⏳ **NEXT STEPS:**
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### **Remaining for Session 1:**
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- [ ] Initialize BiomeSystem in GameScene
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- [ ] Initialize ChunkManager in GameScene
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- [ ] Update Flat2DTerrainSystem to support biomes
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- [ ] Update camera bounds to 500x500
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- [ ] Test with player spawning at center
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- [ ] Verify chunk loading works
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- [ ] Check FPS with larger world
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**Estimated:** 1-1.5 hours remaining
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---
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## 📊 **PROGRESS:**
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**Time Spent:** 40 minutes
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**Files Created:** 3
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**Lines of Code:** ~500
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**Systems:** 2 (BiomeSystem, ChunkManager)
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**Session 1 Progress:** 60% complete
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---
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**Next:** Integrate into GameScene and test!
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docs/PHASE28_WORLD_EXPANSION_PLAN.md
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# 🌍 PHASE 28: WORLD EXPANSION - Implementation Plan
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**Start Date:** 15.12.2025
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**Estimated Duration:** 10-20 hours
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**Status:** IN PROGRESS
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---
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## 📋 **PROJECT OVERVIEW**
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Transform the game from a small 100x100 farm to a massive explorable world with multiple biomes, rivers, roads, and points of interest.
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**Key Goals:**
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1. Expand map from 100x100 to 500x500 tiles (25x larger!)
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2. Implement 5 distinct biomes with unique features
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3. Add smooth biome transitions
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4. Create rivers, lakes, and natural features
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5. Implement chunk loading for performance
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6. Add roads, ruins, and landmarks
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---
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## 🎯 **SESSION BREAKDOWN**
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### **SESSION 1: FOUNDATION** (2-3h) - 15.12.2025 ✅ IN PROGRESS
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**Goal:** Set up core systems and expand world size
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**Tasks:**
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- [x] Create implementation plan document
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- [ ] Create BiomeSystem.js
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- [ ] Expand Flat2DTerrainSystem to support 500x500
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- [ ] Implement chunk loading system
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- [ ] Test performance with larger map
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- [ ] Update camera bounds
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**Deliverables:**
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- BiomeSystem.js (~300 lines)
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- Updated Flat2DTerrainSystem.js
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- ChunkManager.js (~200 lines)
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- 500x500 map generation working
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---
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### **SESSION 2: BIOMES - BASIC** (3-4h) - Future
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**Goal:** Implement first 2 biomes (Grassland, Forest)
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**Tasks:**
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- [ ] Grassland biome (current default)
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- [ ] Forest biome (dense trees, wildlife)
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- [ ] Biome data structures
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- [ ] Biome-specific tile generation
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- [ ] Biome boundaries and transitions
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**Deliverables:**
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- 2 working biomes
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- Smooth transitions between them
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---
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### **SESSION 3: BIOMES - ADVANCED** (3-4h) - Future
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**Goal:** Implement remaining 3 biomes
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**Tasks:**
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- [ ] Desert biome (sand, cacti, heat)
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- [ ] Mountain biome (rocks, caves, snow)
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- [ ] Swamp biome (water, fog, danger)
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**Deliverables:**
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- 5 total biomes functional
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- Unique visual identity for each
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---
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### **SESSION 4: WORLD FEATURES** (2-3h) - Future
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**Goal:** Add natural features (rivers, lakes)
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**Tasks:**
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- [ ] River generation algorithm
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- [ ] Lake placement system
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- [ ] Water flow simulation (visual)
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- [ ] Shoreline transition tiles
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**Deliverables:**
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- Realistic rivers crossing map
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- Natural-looking lakes
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---
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### **SESSION 5: STRUCTURES** (2-3h) - Future
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**Goal:** Add roads, paths, and ruins
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**Tasks:**
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- [ ] Road generation (connecting biomes)
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- [ ] Path network
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- [ ] Ruin structures (abandoned buildings)
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- [ ] Landmarks (towers, monuments)
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**Deliverables:**
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- Road system
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- 5-10 unique ruins
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- 3-5 landmarks
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---
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### **SESSION 6: POLISH & OPTIMIZATION** (1-2h) - Future
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**Goal:** Performance and visual polish
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**Tasks:**
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- [ ] Optimize chunk loading
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- [ ] Minimap for 500x500 world
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- [ ] Fog of war (unexplored areas)
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- [ ] Biome-specific weather
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- [ ] Performance profiling
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**Deliverables:**
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- Smooth 60 FPS on 500x500 map
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- Polished minimap
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- Complete world expansion
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---
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## 🏗️ **TECHNICAL ARCHITECTURE**
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### **1. BiomeSystem**
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```javascript
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class BiomeSystem {
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biomes = {
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grassland: { color, features, spawns },
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forest: { color, features, spawns },
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desert: { color, features, spawns },
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mountain: { color, features, spawns },
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swamp: { color, features, spawns }
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}
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getBiomeAt(x, y) // Returns biome type
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generateBiomeMap() // Perlin noise-based
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applyBiomeFeatures() // Trees, rocks, etc.
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}
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```
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### **2. ChunkManager**
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```javascript
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class ChunkManager {
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chunkSize = 50 // 50x50 tiles per chunk
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activeChunks = new Map()
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loadChunk(chunkX, chunkY)
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unloadChunk(chunkX, chunkY)
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updateActiveChunks(playerX, playerY)
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}
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```
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### **3. Expanded TerrainSystem**
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- Support 500x500 tiles
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- Biome-aware tile generation
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- Chunk-based rendering
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- LOD (Level of Detail) for distant chunks
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---
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## 📊 **TECHNICAL SPECS**
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### **Map Size:**
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- **Current:** 100x100 = 10,000 tiles
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- **New:** 500x500 = 250,000 tiles
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- **Increase:** 25x larger!
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### **Chunk System:**
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- **Chunk Size:** 50x50 tiles (2,500 tiles)
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- **Total Chunks:** 10x10 = 100 chunks
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- **Active Chunks:** ~9 (3x3 around player)
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- **Loaded Tiles:** ~22,500 at once (9 chunks)
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### **Performance Target:**
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- **FPS:** 60 stable
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- **Load Time:** <2 seconds
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- **Memory:** <500MB
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---
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## 🎨 **BIOME SPECIFICATIONS**
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### **1. Grassland** (Current Default)
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- **Color:** Green (#4a9d5f)
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- **Features:** Grass, flowers, small trees
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- **Weather:** Normal rainfall
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- **Spawns:** Farm animals, basic wildlife
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### **2. Forest** 🌲
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- **Color:** Dark green (#2d5016)
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- **Features:** Dense trees (60% coverage), bushes, mushrooms
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- **Weather:** More rain, shade
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- **Spawns:** Deer, bears, wolves
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- **Resources:** Wood (abundant), berries
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### **3. Desert** 🏜️
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- **Color:** Tan/sand (#d4c4a1)
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- **Features:** Sand, cacti, dead trees, rocks
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- **Weather:** Hot, no rain, sandstorms
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- **Spawns:** Scorpions, snakes, lizards
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- **Resources:** Stone, rare plants
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- **Hazard:** Heat damage without protection
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### **4. Mountain** ⛰️
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- **Color:** Gray/stone (#808080)
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- **Features:** Rocks, cliffs, snow (high altitude), caves
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- **Weather:** Cold, snow at peaks
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- **Spawns:** Mountain goats, eagles
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- **Resources:** Stone (abundant), ore, gems
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- **Hazard:** Cold damage at peaks
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### **5. Swamp** 🌿
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- **Color:** Dark green/brown (#3d5a3d)
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- **Features:** Water patches, fog, dead trees, vines
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- **Weather:** Foggy, humid
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- **Spawns:** Frogs, snakes, mosquitos, zombies (more)
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- **Resources:** Rare herbs, swamp plants
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- **Hazard:** Poison damage, slow movement
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---
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## 🗺️ **WORLD LAYOUT STRATEGY**
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### **Biome Distribution (500x500 map):**
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```
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[Mountain] [Mountain] [Forest] [Forest] [Grassland]
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[Mountain] [Forest] [Forest] [Grassland] [Grassland]
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[Forest] [Forest] [FARM] [Grassland] [Desert]
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[Swamp] [Forest] [Grassland] [Desert] [Desert]
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[Swamp] [Swamp] [Desert] [Desert] [Desert]
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```
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**Farm Location:** Center (250, 250) - always Grassland biome
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**Biome Sizes:** 100-150 tile radius
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**Transitions:** 20-30 tile gradual blend zones
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---
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## 🔧 **IMPLEMENTATION PRIORITIES**
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### **Critical (Must Have):**
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1. ✅ BiomeSystem core
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2. ✅ 500x500 map expansion
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3. ✅ Chunk loading
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4. ✅ 2 biomes (Grassland, Forest)
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### **High Priority:**
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5. Desert, Mountain, Swamp biomes
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6. Rivers and lakes
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7. Biome transitions
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### **Medium Priority:**
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8. Roads and paths
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9. Ruins and structures
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10. Minimap
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### **Low Priority:**
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11. Fog of war
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12. Biome-specific weather
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13. Advanced landmarks
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---
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## 📈 **SUCCESS METRICS**
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**Technical:**
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- [ ] 500x500 map loads successfully
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- [ ] 60 FPS maintained
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- [ ] No memory leaks
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- [ ] Smooth chunk loading
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**Gameplay:**
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- [ ] 5 distinct biomes visible
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- [ ] Smooth biome transitions
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- [ ] Rivers flow naturally
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- [ ] World feels explorable
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**Visual:**
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- [ ] Each biome has unique appearance
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- [ ] Transitions look natural
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- [ ] Features placed realistically
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- [ ] Professional quality
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---
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## ⚠️ **KNOWN CHALLENGES**
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1. **Performance:** 250k tiles is HUGE - need efficient chunk system
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2. **Transitions:** Making biome blends look natural
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3. **Rivers:** Pathfinding algorithm for natural flow
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4. **Balance:** Each biome must feel equally interesting
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5. **Generation:** Repeatable seed-based world gen
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---
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## 🚀 **GETTING STARTED (SESSION 1)**
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**Today's immediate tasks:**
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1. Create `BiomeSystem.js` skeleton
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2. Expand `Flat2DTerrainSystem` to 500x500
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3. Create `ChunkManager.js`
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4. Test with simple 2-biome setup
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5. Verify performance
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**Time:** 2-3 hours
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**Complexity:** High
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**Impact:** Foundation for entire expansion
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---
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## 📚 **RESOURCES**
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- **Perlin Noise:** For biome generation
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- **Phaser Tilemap:** Chunk management
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- **Minimap:** `MinimapSystem.js` (existing)
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- **Camera:** Update bounds to 500x500
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---
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**Ready to start Session 1!** 🚀
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Let's build this massive world! 🌍
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