Barriers are queried, created when colliding with creatures

client/scenes/world.cpp

@@ -722,6 +722,11 @@ void World::hCharacterCreate(CharacterPacket* const argPacket) {
 		creaturePacket.type = SerialPacketType::QUERY_CREATURE_EXISTS;
 		creaturePacket.roomIndex = roomIndex;
 		network.SendTo(Channels::SERVER, &creaturePacket);
+
+		BarrierPacket barrierPacket;
+		barrierPacket.type = SerialPacketType::QUERY_BARRIER_EXISTS;
+		barrierPacket.roomIndex = roomIndex;
+		network.SendTo(Channels::SERVER, &barrierPacket);
 	}
 
 	//debug
@@ -743,9 +748,10 @@ void World::hCharacterUnload(CharacterPacket* const argPacket) {
 		camera.marginX = 0;
 		camera.marginY = 0;
 
-		//clear the room
+		//clear/reset the room
 		roomIndex = -1;
 		regionPager.UnloadAll();
+		barrierMap.clear();
 		characterMap.clear();
 		creatureMap.clear();
 	}

common/gameplay/creature_defines.hpp

@@ -0,0 +1,39 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#pragma once
+
+#include <cmath>
+
+//the speeds that the characters move
+constexpr double CREATURE_WALKING_SPEED = 1.0;
+constexpr double CREATURE_WALKING_MOD = 1.0/sqrt(2.0);
+constexpr double CREATURE_WALKING_NEGATIVE_MOD = 1.0 - CREATURE_WALKING_MOD;
+
+//the bounds for the character objects, mapped to the default sprites
+constexpr int CREATURE_BOUNDS_X = 0;
+constexpr int CREATURE_BOUNDS_Y = 0;
+constexpr int CREATURE_BOUNDS_WIDTH = 32;
+constexpr int CREATURE_BOUNDS_HEIGHT = 32;
+
+//the character's sprite format
+constexpr int CREATURE_CELLS_X = 4;
+constexpr int CREATURE_CELLS_Y = 4;

server/characters/character_data.cpp

@@ -22,7 +22,12 @@
 #include "character_data.hpp"
 
 CharacterData::CharacterData(): Entity("character") {
-	//EMPTY
+	SetBounds({
+		CHARACTER_BOUNDS_X,
+		CHARACTER_BOUNDS_Y,
+		CHARACTER_BOUNDS_WIDTH,
+		CHARACTER_BOUNDS_HEIGHT
+	});
 }
 
 int CharacterData::GetOwner() {

server/combat/barrier_data.cpp

@@ -28,7 +28,7 @@ BarrierData::BarrierData(int i):
 	Entity::Entity("barrier")
 {
 	instanceIndex = i;
-	memcpy(status, 0, sizeof(int) * 8);
+	memset(status, 0, sizeof(int) * 8);
 }
 
 BarrierData::~BarrierData() {
@@ -38,7 +38,7 @@ BarrierData::~BarrierData() {
 int BarrierData::Update(lua_State* L) {
 	int ret = 0;
 
-	if (scriptRef != 0) {
+	if (scriptRef != LUA_NOREF) {
 		//Call the script reference
 		lua_pushinteger(L, scriptRef);
 		lua_gettable(L, LUA_REGISTRYINDEX);

server/creatures/creature_data.cpp

@@ -29,7 +29,12 @@ CreatureData::CreatureData(std::string _avatar, int _scriptRef):
 	avatar(_avatar),
 	scriptRef(_scriptRef)
 {
-	//EMPTY
+	SetBounds({
+		CREATURE_BOUNDS_X,
+		CREATURE_BOUNDS_Y,
+		CREATURE_BOUNDS_WIDTH,
+		CREATURE_BOUNDS_HEIGHT
+	});
 }
 
 int CreatureData::Update(lua_State* L) {

server/creatures/creature_data.hpp

@@ -21,6 +21,7 @@
 */
 #pragma once
 
+#include "creature_defines.hpp"
 #include "entity.hpp"
 
 #include "lua.hpp"

server/rooms/room_data.cpp

@@ -66,7 +66,28 @@ void RoomData::RunFrame() {
 	//Compare the triggers to the entities, using their real hitboxes
 	triggerMgr.Compare(entityStack);
 
-	//set the creature updates
+	//Creature/character collisions, O(m*n)
+	for (auto characterIt : characterList) {
+		BoundingBox characterBox = characterIt->GetBounds() + characterIt->GetOrigin();
+
+		for (auto creatureIt : *creatureMgr.GetContainer()) {
+			BoundingBox creatureBox = creatureIt.second.GetBounds() + creatureIt.second.GetOrigin();
+
+			if (characterBox.CheckOverlap(creatureBox)) {
+				int barrierIndex = barrierMgr.Create(-1);
+				BarrierData* barrierData = barrierMgr.Find(barrierIndex);
+				barrierData->SetRoomIndex(roomIndex);
+
+				BarrierPacket barrierPacket;
+				barrierPacket.type = SerialPacketType::BARRIER_CREATE;
+				copyBarrierToPacket(&barrierPacket, barrierData, barrierIndex);
+
+				pumpPacketProximity(reinterpret_cast<SerialPacket*>(&barrierPacket), roomIndex, characterIt->GetOrigin(), INFLUENCE_RADIUS);
+			}
+		}
+	}
+
+	//send the creature updates
 	for (auto& it : creatureList) {
 		CreaturePacket packet;
 		copyCreatureToPacket(&packet, it.second, it.first);
@@ -75,7 +96,7 @@ void RoomData::RunFrame() {
 		pumpPacketProximity(reinterpret_cast<SerialPacket*>(&packet), roomIndex, it.second->GetOrigin(), INFLUENCE_RADIUS);
 	}
 
-	//send the updates
+	//send the barrier updates
 	for (auto& it : barrierList) {
 		BarrierPacket packet;
 		copyBarrierToPacket(&packet, it.second, it.first);
@@ -83,8 +104,6 @@ void RoomData::RunFrame() {
 		packet.roomIndex = roomIndex;
 		pumpPacketProximity(reinterpret_cast<SerialPacket*>(&packet), roomIndex, it.second->GetOrigin(), INFLUENCE_RADIUS);
 	}
-
-	//TODO: (0) creature/character collisions
 }
 
 std::string RoomData::SetName(std::string s) {