This hack for the collision map was a terrible idea

I'm committing these changes before undoing these, and coding it properly.

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*sizeof(type_t));
+	memset(tiles, 0, REGION_WIDTH*REGION_HEIGHT*(REGION_DEPTH+1)*sizeof(type_t));
 }
 
 Region::Region(Region const& rhs): x(rhs.x), y(rhs.y) {
-	memcpy(tiles, rhs.tiles, REGION_WIDTH*REGION_HEIGHT*REGION_DEPTH*sizeof(type_t));
+	memcpy(tiles, rhs.tiles, REGION_WIDTH*REGION_HEIGHT*(REGION_DEPTH+1)*sizeof(type_t));
 }
 
 Region::type_t Region::SetTile(int x, int y, int z, type_t v) {

common/map/region.hpp

@@ -22,8 +22,8 @@
 #ifndef REGION_HPP_
 #define REGION_HPP_
 
-constexpr int REGION_WIDTH = 20;
-constexpr int REGION_HEIGHT = 20;
+constexpr int REGION_WIDTH = 21;
+constexpr int REGION_HEIGHT = 21;
 constexpr int REGION_DEPTH = 3;
 
 class Region {
@@ -45,7 +45,7 @@ private:
 	const int x;
 	const int y;
 
-	type_t tiles[REGION_WIDTH][REGION_HEIGHT][REGION_DEPTH];
+	type_t tiles[REGION_WIDTH][REGION_HEIGHT][REGION_DEPTH+1];
 };
 
 #endif

common/map/region_api.cpp

@@ -85,6 +85,7 @@ static int onUnload(lua_State* L) {
 	return 0;
 }
 
+//TODO: wrappers for the collision map
 static const luaL_Reg regionLib[] = {
 	{"SetTile",setTile},
 	{"GetTile",getTile},

common/network/packet/serial_packet_base.hpp

@@ -30,7 +30,7 @@
 
 #include "SDL/SDL_net.h"
 
-constexpr int NETWORK_VERSION = 20140607;
+constexpr int NETWORK_VERSION = 20140701;
 constexpr int PACKET_STRING_SIZE = 100;
 
 struct SerialPacketBase {

common/network/serial/serial.hpp

@@ -27,6 +27,8 @@
 #include "region.hpp"
 #include "statistics.hpp"
 
+#include <cmath>
+
 //Primary interface functions
 void serializePacket(SerialPacketBase*, void* dest);
 void deserializePacket(SerialPacketBase*, void* src);
@@ -53,13 +55,22 @@ void deserializeRegionContent(RegionPacket*, void*);
 void deserializeServer(ServerPacket*, void*);
 void deserializeStatistics(Statistics*, void*);
 
-/* DOCS: Keep the PACKET_BUFFER_SIZE up to date
+/* DOCS: Keep these macros, including PACKET_BUFFER_SIZE up to date
  * DOCS: REGION_CONTENT is currently the largest type of packet, read more
- *  map content: REGION_WIDTH * REGION_HEIGHT * REGION_DEPTH * sizoeof(region::type_t)
- *  map format: sizeof(int) * 3
- *  metadata: sizeof(SerialPacket::Type)
+ * REGION_FORMAT
+ *     This is the space for the region's metadata; the X and Y position, the map index and the SerialPacketType
+ * REGION_FOOTPRINT
+ *     This is the theoretical size of the map's tile data in memory, but it doesn't take the collision map into account
+ * COLLISION_FOOTPRINT
+ *     This is the space in the packet for the collision map, stored as a bit array
+ * PACKET_BUFFER_SIZE
+ *     This is the tital size of the packet being sent between the server and the clients
 */
 
-constexpr int PACKET_BUFFER_SIZE = REGION_WIDTH * REGION_HEIGHT * REGION_DEPTH * sizeof(Region::type_t) + sizeof(int) * 3 + sizeof(SerialPacketType);
+constexpr int REGION_FORMAT = sizeof(int) * 3 + sizeof(SerialPacketType);
+constexpr int REGION_FOOTPRINT = REGION_WIDTH * REGION_HEIGHT * REGION_DEPTH * sizeof(Region::type_t);
+constexpr int COLLISION_FOOTPRINT = ceil(REGION_WIDTH * REGION_HEIGHT / 8.0);
+
+constexpr int PACKET_BUFFER_SIZE = REGION_FORMAT + REGION_FOOTPRINT + COLLISION_FOOTPRINT;
 
 #endif

common/network/serial/serial_region.cpp

@@ -49,6 +49,8 @@ void serializeRegionContent(RegionPacket* packet, void* buffer) {
 			}
 		}
 	}
+
+	//TODO: serialize collision map
 }
 
 void deserializeRegionFormat(RegionPacket* packet, void* buffer) {
@@ -80,4 +82,6 @@ void deserializeRegionContent(RegionPacket* packet, void* buffer) {
 			}
 		}
 	}
+
+	//TODO: deserialize collision map
 }