447 lines
8.5 KiB
C++
447 lines
8.5 KiB
C++
// Copyright (c) 2016-2018 Easy2D - Nomango
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#include "Game.h"
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#include "logs.h"
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#include "modules.h"
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#include "Factory.h"
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#include "Scene.h"
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#include "DebugNode.h"
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#include "Transition.h"
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#include "KeyEvent.hpp"
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#include "MouseEvent.hpp"
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#include "../math/Matrix.hpp"
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#include <windowsx.h>
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#include <imm.h>
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#pragma comment (lib ,"imm32.lib")
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namespace easy2d
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{
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Game::Game()
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: active_(false)
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, debug_(false)
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, curr_scene_(nullptr)
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, next_scene_(nullptr)
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, transition_(nullptr)
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, time_scale_(1.f)
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{
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::CoInitialize(nullptr);
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}
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Game::Game(Options const & options)
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: Game()
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{
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Init(options);
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}
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Game::~Game()
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{
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::CoUninitialize();
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}
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void Game::Init(const Options& options)
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{
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debug_ = options.debug;
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ThrowIfFailed(
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Factory::Instance()->Init(debug_)
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);
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ThrowIfFailed(
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Window::Instance()->Init(
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options.title,
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options.width,
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options.height,
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options.icon,
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Game::WndProc,
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debug_
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)
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);
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HWND hwnd = Window::Instance()->GetHandle();
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ThrowIfFailed(
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Graphics::Instance()->Init(
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hwnd,
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options.vsync,
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debug_
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)
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);
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ThrowIfFailed(
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Input::Instance()->Init(
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hwnd,
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Window::Instance()->GetContentScaleX(),
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Window::Instance()->GetContentScaleY(),
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debug_
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)
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);
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ThrowIfFailed(
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Audio::Instance()->Init(debug_)
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);
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// disable imm
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::ImmAssociateContext(hwnd, nullptr);
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// show console if debug mode enabled
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HWND console = ::GetConsoleWindow();
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if (debug_ && !console)
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{
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if (::AllocConsole())
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{
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console = ::GetConsoleWindow();
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FILE * stdoutStream, *stdinStream, *stderrStream;
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freopen_s(&stdoutStream, "conout$", "w+t", stdout);
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freopen_s(&stdinStream, "conin$", "r+t", stdin);
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freopen_s(&stderrStream, "conout$", "w+t", stderr);
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}
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}
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else if (!debug_ && console)
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{
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::ShowWindow(console, SW_HIDE);
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}
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// disable the close button of console
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if (console)
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{
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HMENU hmenu = ::GetSystemMenu(console, FALSE);
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::RemoveMenu(hmenu, SC_CLOSE, MF_BYCOMMAND);
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}
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// use Game instance in message loop
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::SetWindowLongW(hwnd, GWLP_USERDATA, PtrToUlong(this));
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}
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void Game::Run()
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{
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HWND hwnd = Window::Instance()->GetHandle();
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if (hwnd)
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{
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::ShowWindow(hwnd, SW_SHOWNORMAL);
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::UpdateWindow(hwnd);
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MSG msg = {};
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while (::GetMessageW(&msg, nullptr, 0, 0))
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{
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::TranslateMessage(&msg);
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::DispatchMessageW(&msg);
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}
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}
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}
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void Game::Quit()
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{
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Window::Instance()->Destroy();
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}
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void Game::EnterScene(spScene const & scene)
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{
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E2D_ASSERT(scene && "Game::EnterScene failed, NULL pointer exception");
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if (curr_scene_ == scene || next_scene_ == scene)
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return;
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next_scene_ = scene;
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}
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void Game::EnterScene(spScene const& scene, spTransition const& transition)
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{
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EnterScene(scene);
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if (transition && next_scene_)
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{
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if (transition_)
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{
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transition_->Stop();
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}
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transition_ = transition;
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transition_->Init(curr_scene_, next_scene_);
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}
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}
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spScene const& Game::GetCurrentScene()
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{
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return curr_scene_;
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}
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void Game::SetTimeScale(float scale)
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{
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time_scale_ = scale;
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}
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void Game::Update()
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{
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static auto last = time::Now();
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const auto now = time::Now();
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const auto dt = (now - last) * time_scale_;
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last = now;
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Input::Instance()->Update();
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if (curr_scene_)
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curr_scene_->Update(dt);
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if (next_scene_)
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next_scene_->Update(dt);
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if (debug_)
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DebugNode::Instance()->Update(dt);
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if (transition_)
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{
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transition_->Update(dt);
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if (transition_->IsDone())
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transition_ = nullptr;
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else
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return;
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}
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if (next_scene_)
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{
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if (curr_scene_)
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{
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curr_scene_->OnExit();
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}
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next_scene_->OnEnter();
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curr_scene_ = next_scene_;
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next_scene_ = nullptr;
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}
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}
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void Game::Render(HWND hwnd)
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{
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auto graphics = Graphics::Instance();
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ThrowIfFailed(
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graphics->BeginDraw(hwnd)
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);
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if (transition_)
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{
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transition_->Render();
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}
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else if (curr_scene_)
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{
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curr_scene_->Render();
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}
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if (debug_)
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DebugNode::Instance()->Render();
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ThrowIfFailed(
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graphics->EndDraw()
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);
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if (active_)
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::InvalidateRect(hwnd, NULL, FALSE);
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}
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bool Game::HandleMessage(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
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{
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bool unhandled = false;
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switch (msg)
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{
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case WM_PAINT:
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{
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PAINTSTRUCT ps;
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::BeginPaint(hwnd, &ps);
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Update();
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Render(hwnd);
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::EndPaint(hwnd, &ps);
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}
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break;
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case WM_LBUTTONUP:
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case WM_LBUTTONDOWN:
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//case WM_LBUTTONDBLCLK:
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//case WM_MBUTTONUP:
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//case WM_MBUTTONDOWN:
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//case WM_MBUTTONDBLCLK:
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case WM_RBUTTONUP:
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case WM_RBUTTONDOWN:
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//case WM_RBUTTONDBLCLK:
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case WM_MOUSEMOVE:
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case WM_MOUSEWHEEL:
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{
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float x = GET_X_LPARAM(lparam) * Window::Instance()->GetContentScaleX();
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float y = GET_Y_LPARAM(lparam) * Window::Instance()->GetContentScaleY();
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float wheel_delta = 0.f;
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MouseEvent::Type type;
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if (msg == WM_LBUTTONDOWN || msg == WM_RBUTTONDOWN)
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type = MouseEvent::Down;
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else if (msg == WM_LBUTTONUP || msg == WM_RBUTTONUP)
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type = MouseEvent::Up;
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else if (msg == WM_MOUSEMOVE)
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type = MouseEvent::Move;
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else
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{
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type = MouseEvent::Wheel;
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wheel_delta = GET_WHEEL_DELTA_WPARAM(wparam) / 120.f;
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}
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MouseEvent event(type, x, y, wheel_delta);
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if (wparam & MK_LBUTTON || wparam & MK_RBUTTON)
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event.button_down = true;
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Dispatch(&event);
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}
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break;
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case WM_KEYDOWN:
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case WM_KEYUP:
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{
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KeyEvent event(msg, KeyCode(wparam));
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Dispatch(&event);
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}
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break;
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case WM_DISPLAYCHANGE:
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{
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E2D_LOG("The display resolution has changed");
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::InvalidateRect(hwnd, nullptr, FALSE);
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}
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break;
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case WM_CLOSE:
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{
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E2D_LOG("Received a message to close the window");
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SysEvent event(SysEvent::WindowClose);
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Dispatch(&event);
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if (OnClose())
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{
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::DestroyWindow(hwnd);
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}
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}
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break;
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case WM_DESTROY:
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{
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E2D_LOG("Window was destroyed");
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OnExit();
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::PostQuitMessage(0);
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}
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break;
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case WM_SIZE:
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{
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if (SIZE_MAXHIDE == wparam || SIZE_MINIMIZED == wparam)
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{
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active_ = false;
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E2D_LOG("Window minimized");
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}
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else if (SIZE_RESTORED == wparam)
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{
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active_ = true;
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::InvalidateRect(hwnd, nullptr, FALSE);
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E2D_LOG("Window restored");
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}
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UINT width = LOWORD(lparam);
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UINT height = HIWORD(lparam);
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>յ<EFBFBD>һ<EFBFBD><D2BB> WM_SIZE <20><>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ⱦ
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// Ŀ<><C4BF><EFBFBD>Ĵ<EFBFBD>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܻ<EFBFBD><DCBB><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD>ܣ<EFBFBD><DCA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ժ<EFBFBD><D4BA><EFBFBD><EFBFBD>п<EFBFBD><D0BF>ܵ<EFBFBD>
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD>ε<EFBFBD><CEB5><EFBFBD> EndDraw ʱ<><CAB1><EFBFBD><EFBFBD>
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Graphics::Instance()->Resize(width, height);
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}
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unhandled = true;
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break;
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case WM_ACTIVATE:
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{
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if (WA_INACTIVE == wparam)
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{
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E2D_LOG("Window deactivated");
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SysEvent event(SysEvent::WindowDeavtivate);
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Dispatch(&event);
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}
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else
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{
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E2D_LOG("Window activated");
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SysEvent event(SysEvent::WindowActivate);
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Dispatch(&event);
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}
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}
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unhandled = true;
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break;
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case WM_SETTEXT:
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{
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E2D_LOG("Window title changed");
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}
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unhandled = true;
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break;
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case WM_SETICON:
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{
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E2D_LOG("Window icon changed");
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}
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unhandled = true;
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break;
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default:
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unhandled = true;
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break;
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}
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return !unhandled;
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}
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void Game::Dispatch(Event * event)
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{
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if (transition_)
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return;
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if (curr_scene_)
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curr_scene_->DispatchEvent(event);
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}
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LRESULT CALLBACK Game::WndProc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
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{
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Game * game = reinterpret_cast<Game*>(
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static_cast<LONG_PTR>(::GetWindowLongW(hwnd, GWLP_USERDATA))
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);
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if (game && game->HandleMessage(hwnd, msg, wparam, lparam))
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return 0;
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return ::DefWindowProcW(hwnd, msg, wparam, lparam);
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}
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}
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