- added to the faction resource cache pool for even better AI discovery of resources

source/glest_game/type_instances/faction.cpp

@@ -615,6 +615,23 @@ void Faction::removeResourceTargetFromCache(const Vec2i &pos) {
 	cleanupResourceTypeTargetCache();
 }
 
+void Faction::addCloseResourceTargetToCache(const Vec2i &pos) {
+	const Map *map = world->getMap();
+	const int harvestDistance = 5;
+	for(int j = -harvestDistance; j <= harvestDistance; ++j) {
+		for(int k = -harvestDistance; k <= harvestDistance; ++k) {
+			Vec2i newPos = pos + Vec2i(j,k);
+			if(map->isInside(newPos.x, newPos.y)) {
+				Resource *r= map->getSurfaceCell(map->toSurfCoords(newPos))->getResource();
+				if(r != NULL) {
+					addResourceTargetToCache(newPos);
+				}
+			}
+		}
+	}
+}
+
+
 Vec2i Faction::getClosestResourceTypeTargetFromCache(Unit *unit, const ResourceType *type) {
 	Vec2i result(-1);
 	if(cacheResourceTargetList.size() > 0) {

source/glest_game/type_instances/faction.h

@@ -158,6 +158,7 @@ public:
 
 	void addResourceTargetToCache(const Vec2i &pos);
 	void removeResourceTargetFromCache(const Vec2i &pos);
+	void addCloseResourceTargetToCache(const Vec2i &pos);
 	Vec2i getClosestResourceTypeTargetFromCache(Unit *unit, const ResourceType *type);
 	void cleanupResourceTypeTargetCache();
 

source/glest_game/world/world.cpp

@@ -521,6 +521,8 @@ void World::moveUnitCells(Unit *unit){
 		map.clearUnitCells(unit, unit->getPos());
 		map.putUnitCells(unit, newPos);
 	}
+	// Add resources close by to the faction's cache
+	unit->getFaction()->addCloseResourceTargetToCache(newPos);
 
 	//water splash
 	if(tileset.getWaterEffects() && unit->getCurrField()==fLand){