Working on the client side map code (read more)

I've also added in some debug code to the map classes, because I was
hunting down a std::bad_alloc beingthrown. Turns out I forgot to set the
map sizes in the client's InWorld constructor. I'm committing the fix, and
the debug code.

common/map/map_file_format.cpp

@@ -24,11 +24,11 @@
 #include <stdexcept>
 
 void DummyFormat::Load(Region** const ptr, int width, int height, int depth, int x, int y) {
-	//TODO
+	//EMPTY
 }
 
 void DummyFormat::Save(Region* const ptr) {
-	//TODO
+	//EMPTY
 }
 /*
 void VerboseFormat::Load(Region** const ptr, int x, int y) {

common/map/region.cpp

@@ -21,6 +21,12 @@
 */
 #include "region.hpp"
 
+#include <stdexcept>
+#include <iostream>
+
+//decorator
+#define TRY(x) try { x } catch(std::exception& e) { throw std::runtime_error(std::string() + e.what() + ": " + #x); }
+
 Region::Region(int argWidth, int argHeight, int argDepth, int argX, int argY):
 	width(argWidth),
 	height(argHeight),
@@ -28,11 +34,11 @@ Region::Region(int argWidth, int argHeight, int argDepth, int argX, int argY):
 	x(argX),
 	y(argY)
 {
-	tiles = new type_t**[width];
+	TRY(tiles = new type_t**[width];)
 	for (register int i = 0; i < width; ++i) {
-		tiles[i] = new type_t*[height];
+		TRY(tiles[i] = new type_t*[height];)
 		for (register int j = 0; j < height; ++j) {
-			tiles[i][j] = new type_t[depth];
+			TRY(tiles[i][j] = new type_t[depth];)
 			for (register int k = 0; k < depth; ++k) {
 				tiles[i][j][k] = 0;
 			}

common/map/region_pager.cpp

@@ -23,6 +23,11 @@
 
 #include "utility.hpp"
 
+#include <stdexcept>
+#include <iostream>
+
+using namespace std;
+
 RegionPagerBase::RegionPagerBase(int argWidth, int argHeight, int argDepth):
 	regionWidth(argWidth),
 	regionHeight(argHeight),
@@ -50,15 +55,46 @@ Region* RegionPagerBase::GetRegion(int x, int y) {
 	x = snapToBase(regionWidth, x);
 	y = snapToBase(regionHeight, y);
 
+	//get the region by various means
+
+	//TODO: revert this try/catch point
+	Region* ptr = nullptr;
+	try {
+		ptr = FindRegion(x, y);
+		if (ptr) return ptr;
+	}
+	catch(exception& e) {
+		cerr << "FindRegion Error: " << e.what() << endl;
+	}
+
+	try {
+		ptr = LoadRegion(x, y);
+		if (ptr) return ptr;
+	}
+	catch(exception& e) {
+		cerr << "LoadRegion Error: " << e.what() << endl;
+	}
+
+	try {
+		return CreateRegion(x, y);
+	}
+	catch(exception& e) {
+		cerr << "CreateRegion Error: " << e.what() << endl;
+	}
+	return nullptr;
+}
+
+Region* RegionPagerBase::FindRegion(int x, int y) {
 	//find the region
 	for (std::list<Region*>::iterator it = regionList.begin(); it != regionList.end(); it++) {
 		if ((*it)->GetX() == x && (*it)->GetY() == y) {
 			return *it;
 		}
 	}
-
-	//get the region by other means
-	Region* ptr = LoadRegion(x, y);
-	if (ptr) return ptr;
-	return CreateRegion(x, y);
+	return nullptr;
 }
+
+Region* RegionPagerBase::PushRegion(Region* ptr) {
+	regionList.push_front(ptr);
+	return regionList.front();
+}

common/map/region_pager.hpp

@@ -33,18 +33,23 @@ public:
 	RegionPagerBase(int regionWidth, int regionHeight, int regionDepth);
 	virtual ~RegionPagerBase();
 
+	//tile manipulation
 	Region::type_t SetTile(int x, int y, int z, Region::type_t v);
 	Region::type_t GetTile(int x, int y, int z);
 
+	//region manipulation
 	Region* GetRegion(int x, int y);
+	Region* FindRegion(int x, int y);
+	Region* PushRegion(Region*);
 
 	//interface
 	virtual Region* LoadRegion(int x, int y) = 0;
 	virtual Region* SaveRegion(int x, int y) = 0;
 	virtual Region* CreateRegion(int x, int y) = 0;
 	virtual void UnloadRegion(int x, int y) = 0;
+	//TODO: delete?
 
-	//accessors
+	//accessors & mutators
 	//NOTE: don't change the sizes mid-program, it will cause issues
 	int SetRegionWidth(int i) { return regionWidth = i; }
 	int SetRegionHeight(int i) { return regionHeight = i; }