PumpCharacterUpdate() works from lua to client, read more

There was a bug in the entity API, where getMotion() was pushing the
origin instead of the motion. This has been corrected. Since this is an
important bug, and because the features for this leg is finished, I'll
merge this to master.

client/gameplay_scenes/world.hpp

@@ -96,6 +96,7 @@ protected:
 	void UpdateMap();
 
 	//character management
+	void hCharacterUpdate(CharacterPacket* const);
 	void hCharacterCreate(CharacterPacket* const);
 	void hCharacterDelete(CharacterPacket* const);
 	void hQueryCharacterExists(CharacterPacket* const);

client/gameplay_scenes/world_characters.cpp

@@ -35,6 +35,24 @@
 //DOCS: new characters will result in create messages
 //DOCS: this client's character will exist in both (skipped)
 
+void World::hCharacterUpdate(CharacterPacket* const argPacket) {
+	//TODO: (1) Authentication
+	//NOTE: applies to the local character too
+
+	//check that this character exists
+	std::map<int, BaseCharacter>::iterator characterIt = characterMap.find(argPacket->characterIndex);
+	if (characterIt != characterMap.end()) {
+		//update the origin and motion, if there's a difference
+		if (characterIt->second.GetOrigin() != argPacket->origin) {
+			characterIt->second.SetOrigin(argPacket->origin);
+		}
+		if (characterIt->second.GetMotion() != argPacket->motion) {
+			characterIt->second.SetMotion(argPacket->motion);
+			characterIt->second.CorrectSprite(); //only correct the sprite if the motion changes
+		}
+	}
+}
+
 void World::hCharacterCreate(CharacterPacket* const argPacket) {
 	//prevent double message
 	if (characterMap.find(argPacket->characterIndex) != characterMap.end()) {

client/gameplay_scenes/world_logic.cpp

@@ -335,6 +335,9 @@ void World::HandlePacket(SerialPacket* const argPacket) {
 		break;
 
 		//character management
+		case SerialPacketType::CHARACTER_UPDATE:
+			hCharacterUpdate(static_cast<CharacterPacket*>(argPacket));
+		break;
 		case SerialPacketType::CHARACTER_CREATE:
 			hCharacterCreate(static_cast<CharacterPacket*>(argPacket));
 		break;