Switched the hack for the bitset

I've also added acessors and mutators to the Region and RegionPagerBase
classes.

common/map/region.cpp

@@ -30,11 +30,11 @@ Region::Region(int argX, int argY): x(argX), y(argY) {
 	if (x != snapToBase(REGION_WIDTH, x) || y != snapToBase(REGION_HEIGHT, y)) {
 		throw(std::invalid_argument("Region location is off grid"));
 	}
-	memset(tiles, 0, REGION_WIDTH*REGION_HEIGHT*(REGION_DEPTH+1)*sizeof(type_t));
+	memset(tiles, 0, REGION_WIDTH*REGION_HEIGHT*REGION_DEPTH*sizeof(type_t));
 }
 
 Region::Region(Region const& rhs): x(rhs.x), y(rhs.y) {
-	memcpy(tiles, rhs.tiles, REGION_WIDTH*REGION_HEIGHT*(REGION_DEPTH+1)*sizeof(type_t));
+	memcpy(tiles, rhs.tiles, REGION_WIDTH*REGION_HEIGHT*REGION_DEPTH*sizeof(type_t));
 }
 
 Region::type_t Region::SetTile(int x, int y, int z, type_t v) {
@@ -44,3 +44,11 @@ Region::type_t Region::SetTile(int x, int y, int z, type_t v) {
 Region::type_t Region::GetTile(int x, int y, int z) {
 	return tiles[x][y][z];
 }
+
+bool Region::SetSolid(int x, int y, bool b) {
+	return solid[x * REGION_WIDTH + y] = b;
+}
+
+bool Region::GetSolid(int x, int y) {
+	return solid[x * REGION_WIDTH + y];
+}

common/map/region.hpp

@@ -22,10 +22,17 @@
 #ifndef REGION_HPP_
 #define REGION_HPP_
 
+#include <bitset>
+#include <cmath>
+
+//the region's storage format
 constexpr int REGION_WIDTH = 21;
 constexpr int REGION_HEIGHT = 21;
 constexpr int REGION_DEPTH = 3;
 
+//the size of the solid map
+constexpr int REGION_SOLID = ceil(REGION_WIDTH * REGION_HEIGHT / 8.0);
+
 class Region {
 public:
 	typedef unsigned char type_t;
@@ -38,6 +45,9 @@ public:
 	type_t SetTile(int x, int y, int z, type_t v);
 	type_t GetTile(int x, int y, int z);
 
+	bool SetSolid(int x, int y, bool b);
+	bool GetSolid(int x, int y);
+
 	//accessors
 	int GetX() const { return x; }
 	int GetY() const { return y; }
@@ -45,7 +55,11 @@ private:
 	const int x;
 	const int y;
 
-	type_t tiles[REGION_WIDTH][REGION_HEIGHT][REGION_DEPTH+1];
+	type_t tiles[REGION_WIDTH][REGION_HEIGHT][REGION_DEPTH];
+	std::bitset<REGION_SOLID> solid;
 };
 
+//the memory footprint of the tile and solid data; not including any metadata
+constexpr int REGION_FOOTPRINT = REGION_WIDTH * REGION_HEIGHT * REGION_DEPTH * sizeof(Region::type_t) + REGION_SOLID;
+
 #endif

common/map/region_pager_base.cpp

@@ -36,6 +36,16 @@ Region::type_t RegionPagerBase::GetTile(int x, int y, int z) {
 	return ptr->GetTile(x - ptr->GetX(), y - ptr->GetY(), z);
 }
 
+bool RegionPagerBase::SetSolid(int x, int y, int b) {
+	Region* ptr = GetRegion(x, y);
+	return ptr->SetSolid(x - ptr->GetX(), y - ptr->GetY(), b);
+}
+
+bool RegionPagerBase::GetSolid(int x, int y) {
+	Region* ptr = GetRegion(x, y);
+	return ptr->GetSolid(x - ptr->GetX(), y - ptr->GetY());
+}
+
 Region* RegionPagerBase::GetRegion(int x, int y) {
 	//get the region by various means
 	Region* ptr = nullptr;

common/map/region_pager_base.hpp

@@ -35,6 +35,10 @@ public:
 	virtual Region::type_t SetTile(int x, int y, int z, Region::type_t v);
 	virtual Region::type_t GetTile(int x, int y, int z);
 
+	//solid manipulation
+	virtual bool SetSolid(int x, int y, int b);
+	virtual bool GetSolid(int x, int y);
+
 	//region manipulation
 	virtual Region* GetRegion(int x, int y);
 	virtual Region* FindRegion(int x, int y);