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#include "App.hpp"

#include <utility>

void App::Init() {
	if (mInitialized) return;
	mInitialized = true;

	mCurrentWorld = std::make_unique<GameWorld>();
	auto& worldRoot = mCurrentWorld->GetRoot();

	constexpr int kPlayerCount = 2;
	for (int i = 0; i < kPlayerCount; ++i) {
		auto player = new Player(mCurrentWorld.get(), i);
		worldRoot.AddChild(player);
		mPlayers.push_back(player);
	}

	mCurrentWorld->Awaken();
	mEditor = std::make_unique<EditorInstance>(this, mCurrentWorld.get());
}

void App::Shutdown() {
	if (!mInitialized) return;
	mInitialized = false;
	mEditor = nullptr;
	mCurrentWorld->Resleep();
	mCurrentWorld = nullptr;
	mPlayers.clear();
}

void App::Show() {
	mCurrentWorld->Draw();

	if (mEditorShown) {
		mEditor->Show();
	}
}

void App::HandleMouse(int button, int action) {
}

void App::HandleMouseMotion(double xOff, double yOff) {
}

void App::HandleKey(GLFWkeyboard* keyboard, int key, int action) {
	if (!mKeyCaptureCallbacks.empty()) {
		auto& callback = mKeyCaptureCallbacks.front();
		bool remove = callback(key, action);
		if (remove) {
			mKeyCaptureCallbacks.pop_front();
		}
	}

	switch (key) {
		case GLFW_KEY_F3: {
			if (action == GLFW_PRESS) {
				mEditorShown = !mEditorShown;
			}
			return;
		}

		case GLFW_KEY_F11: {
			// TODO fullscreen
			return;
		}
	}

	for (auto& player : mPlayers) {
		for (auto playerKeyboard : player->boundKeyboards) {
			if (playerKeyboard == keyboard) {
				player->HandleKeyInput(key, action);
			}
		}
	}
}

void App::PushKeyCaptureCallback(KeyCaptureCallback callback) {
	mKeyCaptureCallbacks.push_back(std::move(callback));
}