Added last additions from jam (read more)

I should also mention that the client is throwing up a warning that
HandleCharacterUpdate() is passing to HandleCharacterNew().

client/scenes/in_world.cpp

@@ -106,16 +106,41 @@ void InWorld::Update(double delta) {
 		it.second.Update(delta);
 	}
 
-	//TODO: Check collisions here
-
-	//update the camera
-	if(localCharacter) {
-		camera.x = localCharacter->GetOrigin().x - camera.marginX;
-		camera.y = localCharacter->GetOrigin().y - camera.marginY;
-	}
-
 	//check the map
 	UpdateMap();
+
+	//skip the rest
+	if (!localCharacter) {
+		return;
+	}
+
+	//check for collisions with the map
+	BoundingBox wallBounds = {0, 0, tileSheet.GetTileW(), tileSheet.GetTileH()};
+	const int xCount = localCharacter->GetBounds().w / wallBounds.w + 1;
+	const int yCount = localCharacter->GetBounds().h / wallBounds.h + 1;
+
+	for (int i = -1; i <= xCount; ++i) {
+		for (int j = -1; j <= yCount; ++j) {
+			//set the wall's position
+			wallBounds.x = wallBounds.w * i + snapToBase((double)wallBounds.w, localCharacter->GetOrigin().x);
+			wallBounds.y = wallBounds.h * j + snapToBase((double)wallBounds.h, localCharacter->GetOrigin().y);
+
+			if (!regionPager.GetSolid(wallBounds.x / wallBounds.w, wallBounds.y / wallBounds.h)) {
+				continue;
+			}
+
+			if ((localCharacter->GetOrigin() + localCharacter->GetBounds()).CheckOverlap(wallBounds)) {
+				localCharacter->SetOrigin(localCharacter->GetOrigin() - (localCharacter->GetMotion() * delta));
+				localCharacter->SetMotion({0,0});
+				localCharacter->CorrectSprite();
+				SendPlayerUpdate();
+			}
+		}
+	}
+
+	//update the camera
+	camera.x = localCharacter->GetOrigin().x - camera.marginX;
+	camera.y = localCharacter->GetOrigin().y - camera.marginY;
 }
 
 void InWorld::FrameEnd() {
@@ -281,6 +306,7 @@ void InWorld::HandleCharacterNew(CharacterPacket* const argPacket) {
 
 	newCharacter.SetOrigin(argPacket->origin);
 	newCharacter.SetMotion(argPacket->motion);
+	newCharacter.SetBounds({0, 16, 32, 32}); //TODO: magic numbers, fix this
 
 	(*newCharacter.GetStats()) = argPacket->stats;
 

client/scenes/main_menu.cpp

@@ -101,6 +101,7 @@ void MainMenu::MouseButtonDown(SDL_MouseButtonEvent const& button) {
 }
 
 void MainMenu::MouseButtonUp(SDL_MouseButtonEvent const& button) {
+	//TODO: Buttons should only register as "selected" when the left button is used
 	if (startButton.MouseButtonUp(button) == Button::State::HOVER) {
 		SetNextScene(SceneList::LOBBYMENU);
 	}