Colonization Code

#include "main.h"

CMapLoader::CMapLoader(IrrlichtDevice* dev, CLog* logger, const char mapname[128])
{
	device = dev;
	log = logger;
	memcpy(name, mapname, 128);
	
	video::IVideoDriver* driver = device->getVideoDriver();
	scene::ISceneManager* smgr = device->getSceneManager();
	gui::IGUIEnvironment* env = device->getGUIEnvironment();

	char map[128];
	snprintf(map, 128, "levels/%s.irr", name);
	smgr->loadScene(map);

	meta = smgr->createMetaTriangleSelector();

		smgr->getSceneNodesFromType(scene::ESNT_ANY, nodes); // Find all nodes

		for (u32 i=0; i < nodes.size(); ++i)
		{
				scene::ISceneNode * node = nodes[i];
				scene::ITriangleSelector * selector = 0;

				switch(node->getType())
				{
				case scene::ESNT_CUBE:
				case scene::ESNT_ANIMATED_MESH:
						// Because the selector won't animate with the mesh,
						// and is only being used for camera collision, we'll just use an approximate
						// bounding box instead of ((scene::IAnimatedMeshSceneNode*)node)->getMesh(0)
						selector = smgr->createTriangleSelectorFromBoundingBox(node);
				break;

				case scene::ESNT_MESH:
				case scene::ESNT_SPHERE: // Derived from IMeshSceneNode
						selector = smgr->createTriangleSelector(((scene::IMeshSceneNode*)node)->getMesh(), node);
						break;

				case scene::ESNT_TERRAIN:
						selector = smgr->createTerrainTriangleSelector((scene::ITerrainSceneNode*)node);
						break;

				case scene::ESNT_OCTREE:
						selector = smgr->createOctreeTriangleSelector(((scene::IMeshSceneNode*)node)->getMesh(), node);
						break;

				default:
						// Don't create a selector for this node type
						break;
				}

				if(selector)
				{
						// Add it to the meta selector, which will take a reference to it
						meta->addTriangleSelector(selector);
						// And drop my reference to it, so that the meta selector owns it.
						selector->drop();
				}
		}
		
	char str[128];
	snprintf(str, 128, "Loaded map: %s", name);
	log->info("MAPLOAD", str);
}

CMapLoader::~CMapLoader()
{
	meta->drop(); // I'm done with the meta selector now
	for (u32 i=0; i < nodes.size(); ++i)
	{
		nodes[i]->remove();
	}
	char str[128];
	snprintf(str, 128, "Unloaded map: %s", name);
	log->info("MAPLOAD", str);
}