phase 11 koncano

src/systems/BuildingSystem.js

@@ -7,13 +7,19 @@ class BuildingSystem {
         this.buildingsData = {
             fence: { name: 'Fence', cost: { wood: 2 }, w: 1, h: 1 },
             wall: { name: 'Stone Wall', cost: { stone: 2 }, w: 1, h: 1 },
-            house: { name: 'House', cost: { wood: 20, stone: 20, gold: 50 }, w: 1, h: 1 } // Visual is bigger but anchor is 1 tile
+            house: { name: 'House', cost: { wood: 20, stone: 20, gold: 50 }, w: 1, h: 1 }, // Visual is bigger but anchor is 1 tile
+            barn: { name: 'Barn', cost: { wood: 50, stone: 10 }, w: 1, h: 1 },
+            silo: { name: 'Silo', cost: { wood: 30, stone: 30 }, w: 1, h: 1 }
         };
 
         // Textures init
         if (!this.scene.textures.exists('struct_fence')) TextureGenerator.createStructureSprite(this.scene, 'struct_fence', 'fence');
         if (!this.scene.textures.exists('struct_wall')) TextureGenerator.createStructureSprite(this.scene, 'struct_wall', 'wall');
         if (!this.scene.textures.exists('struct_house')) TextureGenerator.createStructureSprite(this.scene, 'struct_house', 'house');
+        if (!this.scene.textures.exists('struct_barn')) TextureGenerator.createStructureSprite(this.scene, 'struct_barn', 'barn');
+        if (this.scene.textures.exists('struct_silo')) TextureGenerator.createStructureSprite(this.scene, 'struct_silo', 'silo');
+        // House Lv2 Texture
+        TextureGenerator.createStructureSprite(this.scene, 'struct_house_lv2', 'house_lv2');
     }
 
     toggleBuildMode() {
@@ -85,13 +91,12 @@ class BuildingSystem {
         }
 
         // 4. Place Building
-        // Using decorations layer for now, but marking as building
-        // Need to add texture to TerrainSystem pool? 
-        // Or better: TerrainSystem should handle 'placing structure'
+        // Using decorations layer for now
+        const structType = `struct_${this.selectedBuilding}`;
+        terrain.addDecoration(gridX, gridY, structType);
 
-        // Let's modify TerrainSystem to support 'structures' better or just hack decorations
-        const success = terrain.placeStructure(gridX, gridY, `struct_${this.selectedBuilding}`);
-        if (success) {
+        // Assume success if no error (addDecoration checks internally but doesn't return value easily, but we checked space before)
+        {
             this.showFloatingText(`Built ${building.name}!`, gridX, gridY, '#00FF00');
 
             // Build Sound
@@ -108,6 +113,43 @@ class BuildingSystem {
         return true;
     }
 
+    tryUpgrade(gridX, gridY) {
+        const terrain = this.scene.terrainSystem;
+        const decKey = `${gridX},${gridY}`;
+        const decor = terrain.decorationsMap.get(decKey);
+
+        if (!decor) return false;
+
+        // Check if House Lv1
+        if (decor.type === 'struct_house') {
+            const cost = { wood: 100, stone: 50, gold: 100 };
+            const inv = this.scene.inventorySystem;
+
+            // Check Resources
+            if (!inv.hasItem('wood', cost.wood) || !inv.hasItem('stone', cost.stone) || inv.gold < cost.gold) {
+                this.showFloatingText('Upgrade Cost: 100 Wood, 50 Stone, 100G', gridX, gridY, '#FF4444');
+                return true;
+            }
+
+            // Pay
+            inv.removeItem('wood', cost.wood);
+            inv.removeItem('stone', cost.stone);
+            inv.gold -= cost.gold;
+            inv.updateUI();
+
+            // Perform Upgrade
+            terrain.removeDecoration(gridX, gridY);
+            terrain.addDecoration(gridX, gridY, 'struct_house_lv2'); // Re-add Lv2
+
+            this.showFloatingText('HOUSE CRADED! (Lv. 2)', gridX, gridY, '#00FFFF');
+            if (this.scene.soundManager) this.scene.soundManager.playSuccess();
+
+            return true;
+        }
+
+        return false;
+    }
+
     showFloatingText(text, gridX, gridY, color) {
         const iso = new IsometricUtils(48, 24);
         const pos = iso.toScreen(gridX, gridY);