#include "worldmap.h"




dWMResourceMng_c::dWMResourceMng_c() {
	hasSetPath = false;
	isSetLoaded = false;
	isLoadingComplete = false;

	MapReport("dWMResourceMng_c constructed @ %p\n", this);
}

dWMResourceMng_c::~dWMResourceMng_c() {
	MapReport("dWMResourceMng_c destructed\n");

	if (isSetLoaded) {
		MapReport("Unloading %d resources\n", setData->count);

		for (int i = 0; i < setData->count; i++) {
			resLoaders[i].unload();
		}

		delete[] resLoaders;
	}

	setLoader.unload();
}



bool dWMResourceMng_c::isLoaded() {
	return isLoadingComplete;
}


bool dWMResourceMng_c::loadSet(const char *setName) {
	if (isLoadingComplete)
		return true;

	// only start the loading process if we haven't done that already
	if (!isSetLoaded) {
		if (!hasSetPath) {
			snprintf(setPath, sizeof(setPath), "/Maps/%s.fileset", setName);
			hasSetPath = true;

			MapReport("Generated set path: %s\n", setPath);
		}

		void *result = setLoader.load(setPath);
		if (result == 0)
			return false;

		// cool, we've got it, now load everything here
		setData = (WMResSetHeader*)result;

		MapReport("Set loaded! Data: %p - Count: %d\n", result, setData->count);

		resLoaders = new dDvdLoader_c[setData->count];

		isSetLoaded = true;
	}

	// now try to load every resource
	// if even ONE of them fails, then don't return true
	isLoadingComplete = true;

	for (int i = 0; i < setData->count; i++) {
		void *thisResource = resLoaders[i].load(setData->getName(i));

		u32 key = setData->entries[i].key;
		char key1 = key >> 24;
		char key2 = key >> 16;
		char key3 = key >> 8;
		char key4 = key & 0xFF;

		MapReport("Load(%c%c%c%c:%s) result: %p\n", key>>24, key>>16, key>>8, key&0xFF, setData->getName(i), thisResource);

		isLoadingComplete &= (thisResource != 0);
	}

	// if they are ALL loaded, then this will be true
	if (isLoadingComplete) {
		prepareResources();

		MapReport("Loading completed!\n");
	}

	return isLoadingComplete;
}


void *dWMResourceMng_c::operator[](u32 key) {
	MapReport("Obtaining resource %c%c%c%c\n", key>>24, key>>16, key>>8, key&0xFF);

	if (!isLoadingComplete) {
		MapReport("Loading is not complete. Returning 0\n");
		return 0;
	}

	for (int i = 0; i < setData->count; i++) {
		if (key == setData->entries[i].key)
			return resLoaders[i].buffer;
	}

	MapReport("Not found!\n");

	return 0;
}


void dWMResourceMng_c::prepareResources() {
	// first off, initialise every brres file used
	for (int i = 0; i < resCount(); i++) {
		if ((keyForIndex(i) >> 16) == '3D') {
			nw4r::g3d::ResFile resFile(dataForIndex(i));
			resFile.CheckRevision();
			resFile.Init();
		}
	}

	// now that they're all initialised, loop through the brres files and bind
	// them to every other file ... because I don't think it's a good idea to
	// bind them before they've been initialised
	for (int i = 0; i < resCount(); i++) {
		if ((keyForIndex(i) >> 16) == '3D') {
			nw4r::g3d::ResFile firstFile(dataForIndex(i));

			for (int j = 0; j < resCount(); j++) {
				nw4r::g3d::ResFile secondFile(dataForIndex(j));

				firstFile.Bind(secondFile);
			}
		}
	}
}