kitchen: README + MISSIONS/engine-c keep-drop notes

openkknd2-am-coder/src/ok_buildings.c

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+#include "ok_buildings.h"
+#include "ok_map.h"
+#include <stdio.h>
+
+void ok_buildings_init(OkWorld *w) {
+    // Initialize buildings array - for now we'll use a simple approach
+    // In a more complete implementation, we'd have an actual building array
+}
+
+void ok_buildings_place(OkWorld *w, int x, int y, OkBuildingKind kind, OkFaction faction) {
+    // Check if placement is valid (walkable tile and not occupied)
+    if (!ok_map_walkable(w, x, y)) {
+        return;
+    }
+    
+    // For now, we'll just update the resource count when a building is placed
+    int cost = 0;
+    switch (kind) {
+        case OK_BUILDING_HQ:
+            cost = 50;
+            break;
+        case OK_BUILDING_BARRACKS:
+            cost = 30;
+            break;
+        default:
+            return;
+    }
+    
+    // Check if faction has enough resources
+    int *resources = (faction == OK_FACTION_A) ? &w->resources_a : &w->resources_b;
+    if (*resources < cost) {
+        return;
+    }
+    
+    // Deduct cost and mark building as placed
+    *resources -= cost;
+    
+    printf("Faction %d placed %s at (%d,%d)\n", faction, 
+           (kind == OK_BUILDING_HQ) ? "HQ" : "Barracks", x, y);
+}
+
+void ok_buildings_update(OkWorld *w) {
+    // Simple building update logic - in a real implementation this would handle
+    // building construction, production, etc.
+}