diff options
author | chai <chaifix@163.com> | 2020-11-13 22:07:18 +0800 |
---|---|---|
committer | chai <chaifix@163.com> | 2020-11-13 22:07:18 +0800 |
commit | 0edde8a08c6a9a55135dadcff6cd21988d523041 (patch) | |
tree | 696f72ba8e82e7aaa8b41bb277557eb34e4ebaaf | |
parent | 2fae5dab12e9b7e3d70e21707c8b358834808451 (diff) | |
parent | 6f326b50d86fab5955a37fe317f14888662b055a (diff) |
Merge branch 'master' of warmcat.org:/home/git-repo/GameLab
# Conflicts:
# Projects/VisualStudio/Editor/Editor.vcxproj
# Projects/VisualStudio/Editor/Editor.vcxproj.filters
-rw-r--r-- | Editor/EditorMain.cpp | 45 | ||||
-rw-r--r-- | Editor/GUI/EditorWindows.cpp | 170 | ||||
-rw-r--r-- | Editor/GUI/EditorWindows.h | 32 | ||||
-rw-r--r-- | Editor/GUI/WinUtils.cpp | 43 | ||||
-rw-r--r-- | Editor/GUI/WinUtils.h | 17 | ||||
-rw-r--r-- | Editor/main.cpp | 43 | ||||
-rw-r--r-- | Editor/wog.c | 746 | ||||
-rw-r--r-- | Editor/wog.h | 219 | ||||
-rw-r--r-- | Runtime/Math/FloatConversion.h | 697 | ||||
-rw-r--r-- | Runtime/Math/Rect.h | 150 | ||||
-rw-r--r-- | Runtime/Math/Vector2.cpp | 11 | ||||
-rw-r--r-- | Runtime/Math/Vector2.h | 111 | ||||
-rw-r--r-- | Runtime/main.cpp | 6 |
13 files changed, 1266 insertions, 1024 deletions
diff --git a/Editor/EditorMain.cpp b/Editor/EditorMain.cpp new file mode 100644 index 0000000..d45d08b --- /dev/null +++ b/Editor/EditorMain.cpp @@ -0,0 +1,45 @@ +#include <windows.h>
+#include <vector>
+#include "GUI/EditorWindows.h"
+
+static int MainMessageLoop() +{
+ BOOL returnValue; + MSG msg, lastMsg; + msg.message = WM_NULL; + std::vector<MSG> messages; + PeekMessage(&msg, NULL, 0U, 0U, PM_NOREMOVE); + bool isQuitSignaled = msg.message == WM_QUIT; +
+ while (!isQuitSignaled)
+ {
+ MSG msg; + while (PeekMessage(&msg, NULL, 0U, 0U, PM_REMOVE) != 0) + { + TranslateMessage(&msg); + DispatchMessage(&msg); + + if (msg.message == WM_QUIT) + isQuitSignaled = true; + + } +
+ }
+
+ return (INT)msg.wParam; +}
+
+int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPSTR szCmdLine, int sw) +{
+ RegisterWindowClasses();
+
+ ContainnerWindow* wnd = new ContainnerWindow();
+
+ Vector2f min = Vector2f(100, 100);
+ Vector2f max = Vector2f(700, 700);
+ wnd->Init(Rectf(400, 400, 500, 500), ContainnerWindow::kShowMainWindow, min, max);
+
+ MainMessageLoop();
+
+ return 0;
+}
diff --git a/Editor/GUI/EditorWindows.cpp b/Editor/GUI/EditorWindows.cpp index e69de29..00c573a 100644 --- a/Editor/GUI/EditorWindows.cpp +++ b/Editor/GUI/EditorWindows.cpp @@ -0,0 +1,170 @@ +#include "EditorWindows.h"
+#include "WinUtils.h"
+
+static const wchar_t* kContainerWindowClassName = L"GameLabContainerWndClass"; +static const wchar_t* kPopupWindowClassName = L"GameLabPopupWndClass"; +static const wchar_t* kViewportClassName = L"GameLabViewportWndClass"; +static const char* kIsMainWindowMaximized = "IsMainWindowMaximized"; + +static ATOM s_ContainerWindowClassAtom; +static ATOM s_PopupWindowClassAtom; +static ATOM s_GUIViewClassAtom; +
+void RegisterWindowClasses()
+{
+ s_ContainerWindowClassAtom = winutils::RegisterWindowClass(kContainerWindowClassName, ContainnerWindow::ContainerWndProc, CS_HREDRAW | CS_VREDRAW); + s_PopupWindowClassAtom = winutils::RegisterWindowClass(kPopupWindowClassName, ContainnerWindow::ContainerWndProc, CS_HREDRAW | CS_VREDRAW | CS_DROPSHADOW);//CS_HREDRAW宽度(水平)变化时重绘、CS_VREDRAW高度(垂直)变化时重绘 + s_GUIViewClassAtom = winutils::RegisterWindowClass(kViewportClassName, GUIView::GUIViewWndProc, CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS); +}
+
+LRESULT CALLBACK ContainnerWindow::ContainerWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
+{
+ long flag = DefWindowProcW(hWnd, message, wParam, lParam); + return flag; +}
+
+ContainnerWindow::ContainnerWindow()
+{
+}
+
+
+ContainnerWindow::~ContainnerWindow()
+{
+
+}
+
+void ContainnerWindow::Init(Rectf pixelRect, int showMode, const Vector2f& minSize, const Vector2f& maxSize)
+{ + // Aux windows are mac only. on windows they look just like normal utility windows. + if (showMode == kShowAuxWindow) + showMode = kShowUtility; + + m_ShowMode = static_cast<ShowMode>(showMode); + m_IsClosing = false; + m_InMenuLoop = false; + m_CloseFromScriptDontShutdown = false; + + bool shouldMaximize = false; + if (showMode == kShowMainWindow) + { + //shouldMaximize = s_IsMainWindowMaximized = EditorPrefs::GetBool(kIsMainWindowMaximized, false); + //GetRestoredMainWindowDimensions(); + } + + RECT rect = { 120, 120, 220, 220 }; + m_InternalRect.x = m_InternalRect.y = m_InternalRect.width = m_InternalRect.height = 0.0f; + + DWORD windowStyle = 0; + DWORD extendedStyle = 0; + LPCWSTR windowClass = kContainerWindowClassName; + + switch (showMode) { + // 容纳GUIPanel的非主窗口 + case kShowNormalWindow: + windowStyle = WS_POPUP | WS_CLIPCHILDREN | WS_THICKFRAME; + extendedStyle = WS_EX_TOOLWINDOW; + break; + // 主窗口,含菜单 + case kShowMainWindow: + windowStyle = WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_THICKFRAME | WS_CLIPCHILDREN | WS_MAXIMIZEBOX | WS_MINIMIZEBOX; + extendedStyle = 0; + break; + case kShowPopupMenu: + windowStyle = WS_POPUP | WS_CLIPCHILDREN; + extendedStyle = WS_EX_TOOLWINDOW; + windowClass = kPopupWindowClassName; + break; + case kShowNoShadow: + windowStyle = WS_POPUP | WS_CLIPCHILDREN; + extendedStyle = WS_EX_TOOLWINDOW; + break; + case kShowUtility: + windowStyle = WS_POPUP | WS_CAPTION | WS_THICKFRAME | WS_SYSMENU; + extendedStyle = WS_EX_WINDOWEDGE | WS_EX_TOOLWINDOW; + break; + default: + // ErrorString("Unknown container show mode"); + break; + } + + HWND parentWindow = NULL; + if (showMode == kShowMainWindow) + { + parentWindow = NULL; + } + else + { + // parentWindow = GetMainEditorWindow(); + } + + bool notSizeable = (minSize == maxSize) && (minSize != Vector2f::zero); + if (notSizeable) + windowStyle &= ~(WS_THICKFRAME); + + AdjustWindowRectEx(&rect, windowStyle, showMode == kShowMainWindow, extendedStyle); + int extraX = rect.right - rect.left - 200; + int extraY = rect.bottom - rect.top - 200; + + m_MinSize.x = minSize.x + extraX; + m_MinSize.y = minSize.y + extraY; + m_MaxSize.x = maxSize.x + extraX; + m_MaxSize.y = maxSize.y + extraY; + + + //if (showMode == kShowUtility) + // s_ZUtilityWindows.push_back(m_ContainerListNode); + // Create window + m_Window = CreateWindowExW( + extendedStyle, + windowClass, + L"", + windowStyle, + rect.left, + rect.top, + rect.right - rect.left, + rect.bottom - rect.top, + parentWindow, + NULL, + winutils::GetInstanceHandle(), + NULL + ); + SetWindowLongPtr(m_Window, GWLP_USERDATA, (LONG_PTR)this); + //UpdateMaxMaximizedRect(); + + if (pixelRect.width > 10 || pixelRect.height > 10) + { + //SetRect(pixelRect); + if (shouldMaximize) + SetWindowLong(m_Window, GWL_STYLE, windowStyle | WS_MAXIMIZE); + } + + + if (showMode == kShowMainWindow) + { + //SetMainEditorWindow(m_Window); + //HMENU menu = GetMainMenuHandle(); + //if (menu) + // SetMenu(m_Window, menu); + //GetApplication().UpdateMainWindowTitle(); + //GetApplication().UpdateDocumentEdited(); + } + ShowWindow(m_Window, SW_SHOW); + + //s_ContainerWindows.insert(this); + + //ShowInTaskbarIfNoMainWindow(m_Window);
+
+}
+
+//------------------------------------------------------------------------------------------------------------------
+
+LRESULT CALLBACK GUIView::GUIViewWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
+{
+ long flag = DefWindowProcW(hWnd, message, wParam, lParam); + return flag; +} + +void GUIView::DoPaint() +{
+ +}
\ No newline at end of file diff --git a/Editor/GUI/EditorWindows.h b/Editor/GUI/EditorWindows.h index 90e71a4..a78e163 100644 --- a/Editor/GUI/EditorWindows.h +++ b/Editor/GUI/EditorWindows.h @@ -2,23 +2,51 @@ #define EDITOR_WINDOW_H #include <windows.h> +#include "Runtime/Math/Rect.h" + +void RegisterWindowClasses(); // 一个containner window中有多个viewport class ContainnerWindow { public: + enum ShowMode { + kShowNormalWindow = 0, // normal window with max/min/close buttons + kShowPopupMenu = 1, // popup menu - no title bar + kShowUtility = 2, // tool window - floats in the app, and hides when the app deactivates + kShowNoShadow = 3, // no shadow/decorations + kShowMainWindow = 4, // main Unity window. On Mac does not have close button; on Windows has menu bar etc. + kShowAuxWindow = 5, // Popup windows like the color picker, gradient editor, etc. Drawn with black background on Mac + }; + + ContainnerWindow(); + ~ContainnerWindow(); + + static LRESULT CALLBACK ContainerWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam); + + void Init(Rectf size, int showMode, const Vector2f& minSize, const Vector2f& maxSize); private: HWND m_Window; POINT m_Size; + ShowMode m_ShowMode; // 窗口类型 + bool m_IsClosing; + bool m_InMenuLoop; + bool m_CloseFromScriptDontShutdown; + Rectf m_InternalRect; + POINT m_MinSize; + POINT m_MaxSize; }; -// 窗口内的单个viewport -class Viewport +// 窗口内的单个子窗口,是事件相应、绘制、布局的单元 +class GUIView { public: + static LRESULT CALLBACK GUIViewWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam); + + void DoPaint(); private: HWND m_View; diff --git a/Editor/GUI/WinUtils.cpp b/Editor/GUI/WinUtils.cpp new file mode 100644 index 0000000..e7b2d5b --- /dev/null +++ b/Editor/GUI/WinUtils.cpp @@ -0,0 +1,43 @@ +#include "winutils.h"
+
+namespace winutils
+{
+
+ static HINSTANCE gInstanceHandle = NULL; +
+ HINSTANCE GetInstanceHandle() + { + return gInstanceHandle; + }
+
+ ATOM RegisterWindowClass(const wchar_t* className, WNDPROC windowProc, unsigned int style)
+ {
+#if DEBUG_WIN_UTILS + printf_console("Debug winutils: register class %s\n", className); +#endif + + WNDCLASSEXW wcex; + memset(&wcex, 0, sizeof(wcex)); + wcex.cbSize = sizeof(wcex); + wcex.style = style; + wcex.lpfnWndProc = windowProc; + wcex.cbClsExtra = 0; + wcex.cbWndExtra = 0; + wcex.hInstance = winutils::GetInstanceHandle(); + //wcex.hIcon = LoadIcon(wcex.hInstance, (LPCTSTR)IDI_APP_ICON); + wcex.hCursor = LoadCursor(NULL, IDC_ARROW); + wcex.hbrBackground = NULL; + wcex.lpszMenuName = NULL; + wcex.lpszClassName = className; + ATOM classAtom = RegisterClassExW(&wcex); + //if (!classAtom) + // printf("Failed to register window class %s: %s\n", className, WIN_LAST_ERROR_TEXT); + return classAtom;
+ }
+
+ void UnregisterWindowClass(const wchar_t* className)
+ {
+
+ }
+
+}
diff --git a/Editor/GUI/WinUtils.h b/Editor/GUI/WinUtils.h new file mode 100644 index 0000000..9257d77 --- /dev/null +++ b/Editor/GUI/WinUtils.h @@ -0,0 +1,17 @@ +#ifndef WINUTILS_H
+#define WINUTILS_H
+
+#include <windows.h>
+
+namespace winutils
+{
+ HINSTANCE GetInstanceHandle();
+
+ // 注册windows窗口类
+ ATOM RegisterWindowClass(const wchar_t* className, WNDPROC windowProc, unsigned int style);
+ void UnregisterWindowClass(const wchar_t* className);
+
+
+}
+
+#endif
\ No newline at end of file diff --git a/Editor/main.cpp b/Editor/main.cpp deleted file mode 100644 index 58e5f04..0000000 --- a/Editor/main.cpp +++ /dev/null @@ -1,43 +0,0 @@ -extern "C" { -#include "wog.h" -} - -#include <glad/glad.h> -#include <windows.h> - -wog_Window * wnd ; - -void* proc(const char *name) { - return wglGetProcAddress(name); -} - -int main(int argc, char* argv[]) { - wnd = wog_createWindow("GameLab" , 800, 600, 500, 500, 0); - wog_show(wnd); - - wog_GLContext* ctx = wog_createGLContext(wnd); - wog_makeCurrent(wnd, ctx); - - //gladLoadGLLoader(proc); - int load = gladLoadGL(); - -// wog_makeCurrent(wnd, ctx); - - while (true) { - wog_Event e; - while (wog_pollEvent(wnd, &e)) { - if (e.type == WOG_ECLOSE) - goto quit; - } - //glViewport(0, 0, 500, 500); - glClearColor(0.16, 0.16, 0.16, 1); - glClear(GL_COLOR_BUFFER_BIT); - glFlush(); - - wog_swapBuffers(wnd); - } - -quit: - - return 0; -} diff --git a/Editor/wog.c b/Editor/wog.c deleted file mode 100644 index 6cfbf64..0000000 --- a/Editor/wog.c +++ /dev/null @@ -1,746 +0,0 @@ -/** -* Copyright (c) 2015~2017 chai(neonum) -* -* This library is free software; you can redistribute it and/or modify it -* under the terms of the MIT license. See LICENSE for details. -*/ - -#include "wog.h" -#include <windows.h> -#include <malloc.h> -#include <stdio.h> -#include <memory.h> -#include <assert.h> - -#if WOG_API == WOG_GL -#include <gl/GL.h> -#include <gl/GLU.h> -#endif - - -#if WOG_API == WOG_GL -/** -* We need opengl32.lib and glu32.lib for using opengl functions on -* windows platform. -*/ -#pragma comment( lib, "opengl32.lib" ) -//#pragma comment( lib, "glu32.lib" ) -#endif - -#define WINDOW_CLASS "WOG_WND" - -#define heap_alloc(T, C) (T*)malloc(sizeof(T)*(C)) -#define stack_alloc(T, C) (T*)alloca(sizeof(T)*(C)) -#define zero_mem(I, L) memset(I, 0, L) - -#define max(a, b) (a < b ? b : a) -#define min(a, b) (a < b ? a : b) -#define clamp(x, minv, maxv) (max(minv, min(x, maxv))) - -static HINSTANCE g_hinstance = NULL; - -typedef struct wog_Window -{ - HWND hwnd; // Window handler - HINSTANCE hInstance; - HDC hdc; // Device Context - HDC mdc; // Memory Device Contexts -#if WOG_API == WOG_GDI - wog_Surface* surface; // render buffer -#endif - int mouse_capture; // mouse capture count -}wog_Window; - -#if WOG_API == WOG_GL -typedef struct wog_GLContext -{ - HGLRC hrc; // Rendering Context -}wog_GLContext; -#endif - -// A mouse capture count is used -void wog_setMouseCapture(wog_Window* wnd) -{ - if (wnd->mouse_capture <= 0) - { - SetCapture(wnd->hwnd); - wnd->mouse_capture = 0; - } - ++wnd->mouse_capture; -} - -void wog_releaseMouseCapture(wog_Window* wnd) -{ - --wnd->mouse_capture; - if (wnd->mouse_capture <= 0) - ReleaseCapture(); -} - -void wog_handleEvent(wog_Window* window, MSG* msg, wog_Event* e) -{ - UINT uMsg; - WPARAM wParam; - LPARAM lParam; - uMsg = msg->message; - wParam = msg->wParam; - lParam = msg->lParam; - HWND hWnd = window->hwnd; - - switch (uMsg) - { - case WM_SYSCOMMAND: - { - switch (wParam) - { - case SC_SCREENSAVE: - case SC_MONITORPOWER: - return ; - } - break; - } - return ; - - case WM_CLOSE: - { - zero_mem(e, sizeof(wog_Event)); - e->type = WOG_ECLOSE; - return ; - } - - case WM_KEYDOWN: - case WM_SYSKEYDOWN: - if ((wParam >= 0) && (wParam <= 255)) - { - zero_mem(e, sizeof(wog_Event)); - e->type = WOG_EKEYDOWN; - e->key = wParam; - - return ; - } - break; - - case WM_KEYUP: - case WM_SYSKEYUP: - if ((wParam >= 0) && (wParam <= 255)) - { - zero_mem(e, sizeof(wog_Event)); - e->type = WOG_EKEYUP; - e->key = wParam; - - return ; - } - break; - - case WM_MOUSEMOVE: - { - zero_mem(e, sizeof(wog_Event)); - e->type = WOG_EMOUSEMOTION; - wog_getMouse(window, &e->pos.x, &e->pos.y); - return ; - } - - case WM_MOUSEWHEEL: // mousewheel scroll - { - int zDelta = GET_WHEEL_DELTA_WPARAM(wParam); - zero_mem(e, sizeof(wog_Event)); - e->type = WOG_EMOUSEWHEEL; - e->wheel = zDelta > 0 ? 1 : -1; - return ; - } - - case WM_LBUTTONDOWN: - { - zero_mem(e, sizeof(wog_Event)); - e->type = WOG_EMOUSEBUTTONDOWN; - e->button = WOG_MOUSE_LBUTTON; - wog_getMouse(window, &e->pos.x, &e->pos.y); - wog_setMouseCapture(window); - return ; - } - - case WM_RBUTTONDOWN: - { - zero_mem(e, sizeof(wog_Event)); - e->type = WOG_EMOUSEBUTTONDOWN; - e->button = WOG_MOUSE_RBUTTON; - wog_getMouse(window, &e->pos.x, &e->pos.y); - wog_setMouseCapture(window); - return ; - } - - case WM_MBUTTONDOWN: - { - zero_mem(e, sizeof(wog_Event)); - e->type = WOG_EMOUSEBUTTONDOWN; - e->button = WOG_MOUSE_MIDDLE; - wog_getMouse(window, &e->pos.x, &e->pos.y); - wog_setMouseCapture(window); - return ; - } - - case WM_LBUTTONUP: - { - zero_mem(e, sizeof(wog_Event)); - e->type = WOG_EMOUSEBUTTONUP; - e->button = WOG_MOUSE_LBUTTON; - wog_getMouse(window, &e->pos.x, &e->pos.y); - wog_releaseMouseCapture(window); - return ; - } - - case WM_RBUTTONUP: - { - zero_mem(e, sizeof(wog_Event)); - e->type = WOG_EMOUSEBUTTONUP; - e->button = WOG_MOUSE_RBUTTON; - wog_getMouse(window, &e->pos.x, &e->pos.y); - wog_releaseMouseCapture(window); - return ; - } - - case WM_MBUTTONUP: - { - zero_mem(e, sizeof(wog_Event)); - e->type = WOG_EMOUSEBUTTONUP; - e->button = WOG_MOUSE_MIDDLE; - wog_getMouse(window, &e->pos.x, &e->pos.y); - wog_releaseMouseCapture(window); - return ; - } - - case WM_PAINT: - - UpdateWindow(window->hwnd); - - return 0; - - break; - - default: - e->type = WOG_EUNKNOWN; - break; - } - DefWindowProc(hWnd, uMsg, wParam, lParam); - return ; -} - - -int wog_pollEvent(wog_Window* wnd, wog_Event* e) -{ - MSG msg; - if (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) - { - if (msg.message == WM_QUIT) return 0; - TranslateMessage(&msg); - wog_handleEvent(wnd, &msg, e); - return 1; - } - return 0; -} - - -// on size changed callback; -static wog_Callback onSizeChanged = 0; -static wog_Callback onQuit = 0; - - -static LRESULT CALLBACK WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) -{ - // Get The Window Context - wog_Window* window = (wog_Window*)(GetWindowLong(hWnd, GWL_USERDATA)); - - // call callback functions -#define call(callback)\ - if (callback) \ - callback(window) - - switch (uMsg) - { - case WM_CREATE: - { - CREATESTRUCT* creation = (CREATESTRUCT*)(lParam); // Store Window Structure Pointer - window = (wog_Window*)(creation->lpCreateParams); // Get wog_Window - SetWindowLong(hWnd, GWL_USERDATA, (LONG)(window)); // Save it - } - return 0; - - case WM_CLOSE: // Post WM_CLOSE to message queue. - PostMessage(hWnd, WM_CLOSE, wParam, lParam); - return 0; - - case WM_SIZE: - call(onSizeChanged); - return 0; - - case WM_QUIT: - call(onQuit); - return 0; - - } - - return DefWindowProc(hWnd, uMsg, wParam, lParam); -#undef call -} - - -void wog_registerResizeCallback(wog_Callback cal) -{ - onSizeChanged = cal; -} - - -void wog_registerQuitCallback(wog_Callback cal) -{ - onQuit = cal; -} - -#if WOG_API == WOG_GDI -wog_Surface* wog_getsurface(wog_Window* wnd) { - return wnd->surface; -} -#endif - -static int registerWindowClass() -{ - // Register A Window Class - WNDCLASSEX windowClass; // Window Class - zero_mem(&windowClass, sizeof(WNDCLASSEX)); // Make Sure Memory Is Cleared - - windowClass.cbSize = sizeof(WNDCLASSEX); // Size Of The windowClass Structure - windowClass.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC; // Redraws The Window For Any Movement / Resizing - windowClass.lpfnWndProc = (WNDPROC)(WindowProc); // WindowProc Handles Messages - windowClass.hInstance = g_hinstance; // Set The Instance - windowClass.hbrBackground = (HBRUSH)(COLOR_APPWORKSPACE); // Class Background Brush Color - windowClass.hCursor = LoadCursor(NULL, IDC_ARROW); // Load The Arrow Pointer - windowClass.lpszClassName = WINDOW_CLASS; // Sets The Applications Classname - //windowClass.hIcon = (HICON)LoadIcon(g_hinstance, "icon.ico"); - - if (RegisterClassEx(&windowClass) == 0) // Did Registering The Class Fail? - { - // NOTE: Failure, Should Never Happen - MessageBox(HWND_DESKTOP, "RegisterClassEx Failed!", "Error", MB_OK | MB_ICONEXCLAMATION); - return FALSE; // Return False (Failure) - } - return TRUE; -} - -/* - * for memory device context, see - * https://docs.microsoft.com/en-us/windows/desktop/gdi/memory-device-contexts - * also - * SDL_windowsframebuffer.c WIN_CreateWindowFramebuffer - */ -static void create_surface(wog_Window* wnd, int width, int height) { - BITMAPINFOHEADER bi_header; - HDC memory_dc; - HBITMAP dib_bitmap; - HBITMAP old_bitmap; - unsigned char *buffer; // color buffer - wog_Surface *surface; - - memory_dc = CreateCompatibleDC(wnd->hdc); /*memory device contexts*/ - - memset(&bi_header, 0, sizeof(BITMAPINFOHEADER)); - bi_header.biSize = sizeof(BITMAPINFOHEADER); - bi_header.biWidth = width; - bi_header.biHeight = -height; /* top-down */ - bi_header.biPlanes = 1; - bi_header.biBitCount = 32; - bi_header.biCompression = BI_RGB; - /*create bitmap*/ - dib_bitmap = CreateDIBSection(memory_dc, (BITMAPINFO*)&bi_header, DIB_RGB_COLORS, (void**)&buffer, NULL, 0); - assert(dib_bitmap != NULL); - old_bitmap = (HBITMAP)SelectObject(memory_dc, dib_bitmap); - DeleteObject(old_bitmap); - - surface = (wog_Surface*)malloc(sizeof(wog_Surface)); - surface->width = width; - surface->height = height; - surface->channels = 4; - surface->buffer = buffer; - -#if WOG_API == WOG_GDI - wnd->surface = surface; -#endif - wnd->mdc = memory_dc; -} - - -wog_Window* wog_createWindow(const char* title, int width, int height, int x, int y, uint32 flags) -{ - int client_w = width, client_h = height; - - if (g_hinstance == NULL) - { - g_hinstance = GetModuleHandle(NULL); - } - - if (! registerWindowClass()) - { - printf("Register window class failed.\n"); - return 0; - } - - wog_Window* wnd = heap_alloc(wog_Window, 1); - zero_mem(wnd, sizeof(wog_Window)); - - DWORD windowStyle = 0; // Define Our Window Style - windowStyle |= WS_POPUP; - windowStyle |= WS_OVERLAPPED; - windowStyle |= WS_CAPTION; - windowStyle |= WS_SYSMENU; - windowStyle |= WS_MINIMIZEBOX; - windowStyle |= WS_MAXIMIZEBOX; - //windowStyle |= WS_VISIBLE; -#define hasbit(fs, f) ((fs & f) == f) - /*if (hasbit(flags, WOG_RESIZABLE)) */windowStyle |= WS_SIZEBOX; - if (hasbit(flags, WOG_DISABLE)) windowStyle |= WS_DISABLED; - - DWORD windowExtendedStyle = WS_EX_APPWINDOW; // Define The Window's Extended Style - RECT windowRect = { 0, 0, width, height }; - AdjustWindowRectEx(&windowRect, windowStyle, 0, windowExtendedStyle); - width = windowRect.right - windowRect.left; - height = windowRect.bottom - windowRect.top; - wnd->hwnd = CreateWindowEx( - windowExtendedStyle, - WINDOW_CLASS, - title, - windowStyle, - x, y, - width, height, - HWND_DESKTOP, - 0, - GetModuleHandle(NULL), - wnd - ); - - wnd->hInstance = g_hinstance; - - if (wnd->hwnd == 0) - return 0; - - if (hasbit(flags, WOG_HIDDEN)) wog_hide(wnd); - - // init device context - wnd->hdc = GetDC(wnd->hwnd); - if (wnd->hdc== 0) - { - DestroyWindow(wnd->hwnd); - wnd->hwnd = 0; - return 0; - } - - wnd->mouse_capture = 0; - -#if WOG_API == WOG_GDI - create_surface(wnd, client_w, client_h); -#endif - -#if WOG_API == WOG_GL - PIXELFORMATDESCRIPTOR pfd = // pfd Tells Windows How We Want Things To Be - { - sizeof(PIXELFORMATDESCRIPTOR), // Size Of This Pixel Format Descriptor - 1, // Version Number - PFD_DRAW_TO_WINDOW | // Format Must Support Window - PFD_SUPPORT_OPENGL | // Format Must Support OpenGL - PFD_DOUBLEBUFFER, // Must Support Double Buffering - PFD_TYPE_RGBA, // Request An RGBA Format - 32, // Select Our Color Depth - 0, 0, 0, 0, 0, 0, // Color Bits Ignored - 0, // No Alpha Buffer - 0, // Shift Bit Ignored - 0, // No Accumulation Buffer - 0, 0, 0, 0, // Accumulation Bits Ignored - 16, // 16Bit Z-Buffer (Depth Buffer) - 0, // No Stencil Buffer - 0, // No Auxiliary Buffer - PFD_MAIN_PLANE, // Main Drawing Layer - 0, // Reserved - 0, 0, 0 // Layer Masks Ignored - }; - // set pixel format - unsigned int pixelformat; - pixelformat = ChoosePixelFormat(wnd->hdc, &pfd); - if (pixelformat == 0) - { - wog_destroyWindow(wnd); - return 0; - } - - // set pixel format - if (SetPixelFormat(wnd->hdc, pixelformat, &pfd) == 0 ) - { - wog_destroyWindow(wnd); - return 0; - } -#endif - - return wnd; -} - -#if WOG_API == WOG_GL -wog_GLContext* wog_createGLContext(wog_Window* wnd) -{ - wog_GLContext* cxt = heap_alloc(wog_GLContext, 1); - zero_mem(cxt, sizeof(wog_GLContext)); - cxt->hrc = wglCreateContext(wnd->hdc); // create opengl context base on device context - if (cxt->hrc == 0) - { - free(cxt); - return 0; - } - return cxt; -} -#endif - -#if WOG_API == WOG_GL -int wog_makeCurrent(wog_Window* wnd, wog_GLContext* cxt) -{ - if (wnd && cxt) - { - if (wglMakeCurrent(wnd->hdc, cxt->hrc) == 0) - { - return 0; - } - return 1; - } - - return 0; -} -#endif - -#if WOG_API == WOG_GL -void wog_destroyGLContext(wog_GLContext* cxt) -{ - if (cxt && cxt->hrc) - { - wglDeleteContext(cxt->hrc); - free(cxt); - } -} -#endif - -#if WOG_API == WOG_GDI -void wog_updateSurface(wog_Window* wnd) { - if(wnd->surface == NULL) return ; - int width = wnd->surface->width, height = wnd->surface->height; - BitBlt(wnd->hdc, 0, 0, wnd->surface, height, wnd->mdc, 0, 0, SRCCOPY); -} -#endif - -void wog_destroyWindow(wog_Window* wnd) -{ - if (wnd) - { - ReleaseDC(wnd->hwnd, wnd->hdc); - DestroyWindow(wnd->hwnd); - free(wnd); - } -} - - -static void UnEscapeQuotes(char *arg) -{ - char *last = NULL; - - while (*arg) { - if (*arg == '"' && *last == '\\') { - char *c_curr = arg; - char *c_last = last; - - while (*c_curr) { - *c_last = *c_curr; - c_last = c_curr; - c_curr++; - } - *c_last = '\0'; - } - last = arg; - arg++; - } -} - - -/* Parse a command line buffer into arguments */ -static int ParseCommandLine(char *cmdline, char **argv) -{ - char *bufp; - char *lastp = NULL; - int argc, last_argc; - - argc = last_argc = 0; - for (bufp = cmdline; *bufp; ) { - /* Skip leading whitespace */ - while (isspace(*bufp)) { - ++bufp; - } - /* Skip over argument */ - if (*bufp == '"') { - ++bufp; - if (*bufp) { - if (argv) { - argv[argc] = bufp; - } - ++argc; - } - /* Skip over word */ - while (*bufp && (*bufp != '"' || (lastp && *lastp == '\\'))) { - lastp = bufp; - ++bufp; - } - } - else { - if (*bufp) { - if (argv) { - argv[argc] = bufp; - } - ++argc; - } - /* Skip over word */ - while (*bufp && !isspace(*bufp)) { - ++bufp; - } - } - if (*bufp) { - if (argv) { - *bufp = '\0'; - } - ++bufp; - } - - /* Strip out \ from \" sequences */ - if (argv && last_argc != argc) { - UnEscapeQuotes(argv[last_argc]); - } - last_argc = argc; - } - if (argv) { - argv[argc] = NULL; - } - return(argc); -} - - -#ifdef main -#undef main -#endif - - -#if defined(_MSC_VER) && !defined(_WIN32_WCE) -/* The VC++ compiler needs main defined */ -#define console_main main -#endif - -extern int wog_main(int argc, char* argv[]); - -/** -* Entry of console application. -*/ -int console_main(int argc, char* argv[]) -{ - int status = wog_main(argc, argv); - return status; -} - - -/** -* Entry of windows application. -*/ -int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPSTR szCmdLine, int sw) -{ - g_hinstance = hInst; - - char* temp = GetCommandLine(); - int len = strlen(temp) + 1; - char* cmd = stack_alloc(char, len); - strcpy(cmd, temp); - cmd[len - 1] = '\0'; - - int argc = 0; - char** argv = 0; - argc = ParseCommandLine(cmd, 0); - ParseCommandLine(cmd, 0); - argv = stack_alloc(char*, argc + 1); - ParseCommandLine(cmd, argv); - - int status = console_main(argc, argv); - - return status; -} - - -void wog_swapBuffers(wog_Window* wnd) -{ - if (wnd) - { - SwapBuffers(wnd->hdc); - } -} - - -void wog_getMouse(wog_Window* wnd, int *x, int *y) -{ - POINT p; - GetCursorPos(&p); - ScreenToClient(wnd->hwnd, &p); - int w, h; - wog_getwindowsize(wnd, &w, &h); - //*x = clamp(p.x, 0, w); - //*y = clamp(p.y, 0, h); - *x = p.x; - *y = p.y; -} - - -void wog_getwindowsize(wog_Window* wnd, int* width, int* height) -{ - RECT r; - GetClientRect(wnd->hwnd, &r); - *width = r.right; - *height = r.bottom; -} - - -void wog_show(wog_Window* wnd) -{ - ShowWindow(wnd->hwnd, SW_SHOW); -} - - -void wog_hide(wog_Window* wnd) -{ - ShowWindow(wnd->hwnd, SW_HIDE); -} - - -void wog_sleep(int ms) -{ - Sleep(ms); -} - -int wog_tick() -{ - return GetTickCount(); -} - - -void wog_setcursor(wog_Window* wnd, unsigned int cursor) -{ - SetCursor(LoadCursor(NULL, cursor)); -} - -//void wog_setcursorImage(wog_Window* wnd, const char* path) -//{ -// SetCursor(LoadImageA(NULL, path, IMAGE_ICON, 0, 0, LR_DEFAULTCOLOR | LR_CREATEDIBSECTION | LR_LOADFROMFILE)); -// printf("wog_setcursorImage\n"); -//} - -void wog_setcursorImage(wog_Window* wnd, Wog_Cursor icon) -{ - SetCursor(icon); -} - -HINSTANCE wog_get_instance() -{ - return g_hinstance; -} diff --git a/Editor/wog.h b/Editor/wog.h deleted file mode 100644 index f5661db..0000000 --- a/Editor/wog.h +++ /dev/null @@ -1,219 +0,0 @@ -/* -* Copyright (c) 2015~2020 chai -*/ - -#ifndef _WOG_H -#define _WOG_H -#include <Windows.h> // for virtual key value - -#define WOG_GL 1 -#define WOG_GDI 2 - -#define WOG_API WOG_GL - -typedef unsigned int uint32; -typedef unsigned short uint16; - -enum // event type -{ - WOG_EUNKNOWN = 0, // unknown event - - WOG_EKEYDOWN, // key pressed - WOG_EKEYUP, // key released - - WOG_EMOUSEMOTION, // mouse motion - WOG_EMOUSEWHEEL, // mouse wheel scrolling - WOG_EMOUSEBUTTONDOWN, // mosue button down - WOG_EMOUSEBUTTONUP, // mosue button down - - WOG_ECLOSE, // close window -}; - -enum // mouse button event, e.button value -{ - WOG_MOUSE_LBUTTON, // left mouse button - WOG_MOUSE_RBUTTON, // right mouse button - WOG_MOUSE_MIDDLE, // middle button -}; - -typedef struct wog_Event -{ - int type; - //union // event value - //{ - int key; // for key, simply use windows virtual key value - // see https://msdn.microsoft.com/en-us/library/windows/desktop/dd375731(v=vs.85).aspx - struct // for mouse motion - { - int x, y; // mouse position - }pos; - int wheel; // 1 indicate scroll up and -1 indicate scrool down - int button; // mouse button - //}; -}wog_Event; - -//* VK_0 - VK_9 are the same as ASCII '0' - '9' (0x30 - 0x39) - //* 0x40 : unassigned - //* VK_A - VK_Z are the same as ASCII 'A' - 'Z' (0x41 - 0x5A) - -//定义数据字符0~9 -#define VK_0 0x30 -#define VK_1 0x31 -#define VK_2 0x32 -#define VK_3 0x33 -#define VK_4 0x34 -#define VK_5 0x35 -#define VK_6 0x36 -#define VK_7 0x37 -#define VK_8 0x38 -#define VK_9 0x39 - -//定义数据字符A~Z -#define VK_A 0x41 -#define VK_B 0x42 -#define VK_C 0x43 -#define VK_D 0x44 -#define VK_E 0x45 -#define VK_F 0x46 -#define VK_G 0x47 -#define VK_H 0x48 -#define VK_I 0x49 -#define VK_J 0x4A -#define VK_K 0x4B -#define VK_L 0x4C -#define VK_M 0x4D -#define VK_N 0x4E -#define VK_O 0x4F -#define VK_P 0x50 -#define VK_Q 0x51 -#define VK_R 0x52 -#define VK_S 0x53 -#define VK_T 0x54 -#define VK_U 0x55 -#define VK_V 0x56 -#define VK_W 0x57 -#define VK_X 0x58 -#define VK_Y 0x59 -#define VK_Z 0x5A - -//定义数据字符a~z -#define VK_a 0x61 -#define VK_b 0x62 -#define VK_c 0x63 -#define VK_d 0x64 -#define VK_e 0x65 -#define VK_f 0x66 -#define VK_g 0x67 -#define VK_h 0x68 -#define VK_i 0x69 -#define VK_j 0x6A -#define VK_k 0x6B -#define VK_l 0x6C -#define VK_m 0x6D -#define VK_n 0x6E -#define VK_o 0x6F -#define VK_p 0x70 -#define VK_q 0x71 -#define VK_r 0x72 -#define VK_s 0x73 -#define VK_t 0x74 -#define VK_u 0x75 -#define VK_v 0x76 -#define VK_w 0x77 -#define VK_x 0x78 -#define VK_y 0x79 -#define VK_z 0x7A - -typedef struct { - int width, height, channels; - unsigned char* buffer; -} wog_Surface; - -/** -* Entry of user program which defined in user project. You need provide -* this function's defination. -*/ -#define main wog_main -extern int wog_main(int argc, char* argv[]); - -typedef struct wog_Window wog_Window; - -#if WOG_API == WOG_GL -/** -* Struct that hold opengl context generated by wglCreateContext() which -* defined in opengl32.lib -*/ -typedef struct wog_GLContext wog_GLContext; -#endif - -enum // window style flag -{ - WOG_HIDDEN = 4, - WOG_RESIZABLE = 8, - WOG_DISABLE = 16, -}; - -/** -* Create window with given configures. -* flag would be: -* WOG_HIDDEN -* WOG_RESIZABLE -* WOG_DISABLE -* or just 0; -*/ -wog_Window* wog_createWindow(const char* title, int width, int height, int x, int y, uint32 flags); - -#if WOG_API == WOG_GL -wog_GLContext* wog_createGLContext(wog_Window* wnd); - -int wog_makeCurrent(wog_Window* wnd, wog_GLContext* cxt); - -void wog_destroyGLContext(wog_GLContext* cxt); -#endif - -void wog_destroyWindow(wog_Window* wnd); - -#if WOG_API == WOG_GL -void wog_swapBuffers(wog_Window* wnd); -#endif - -#if WOG_API == WOG_GDI -void wog_updateSurface(wog_Window* wnd); -#endif - -int wog_pollEvent(wog_Window* wnd, wog_Event* e); - -void wog_getMouse(wog_Window* wnd, int *x, int *y); - -// get current ticks -int wog_tick(); - -void wog_sleep(int ms); - -void wog_getwindowsize(wog_Window* wnd, int* width, int* height); - -void wog_show(wog_Window* wnd); - -void wog_hide(wog_Window* wnd); - -typedef void(*wog_Callback)(wog_Window* wnd) ; - -/** -* Register callback functions. -*/ -void wog_registerResizeCallback(wog_Callback cal); -void wog_registerQuitCallback(wog_Callback cal); - -wog_Surface* wog_getsurface(wog_Window* wnd); - -void wog_setcursor(wog_Window* wnd, unsigned int cursor); -//void wog_setcursorImage(wog_Window* wnd, const char* path); -typedef HANDLE Wog_Cursor; -void wog_setcursorImage(wog_Window* wnd, Wog_Cursor icon); - -void wog_setMouseCapture(wog_Window* wnd); -void wog_releaseMouseCapture(wog_Window* wnd); - -HINSTANCE wog_get_instance(); - -#endif
\ No newline at end of file diff --git a/Runtime/Math/FloatConversion.h b/Runtime/Math/FloatConversion.h new file mode 100644 index 0000000..e5c0f23 --- /dev/null +++ b/Runtime/Math/FloatConversion.h @@ -0,0 +1,697 @@ +#ifndef FLOATCONVERSION_H +#define FLOATCONVERSION_H + +#include <algorithm> +#include <cmath> +#include <limits> +#include <math.h> + +#include "Runtime/Utilities/Type.h" +#include "Runtime/Utilities/Assert.h" + +#if defined(SN_TARGET_PS3) +# include <ppu_intrinsics.h> +#elif defined(__GNUC__) && defined(__ppc__) +# include <ppc_intrinsics.h> +#endif + +#ifndef kPI +#define kPI 3.14159265358979323846264338327950288419716939937510F +#endif + +const float kBiggestFloatSmallerThanOne = 0.99999994f; +const double kBiggestDoubleSmallerThanOne = 0.99999999999999989; + +#if defined(_XBOX) +#define __FSELF __fself +#elif defined(SN_TARGET_PS3) +#define __FSELF __fsels +#endif + +inline float FloatMin(float a, float b) +{ +#if defined(_XBOX) || defined(SN_TARGET_PS3) + return __FSELF((a)-(b), b, a); +#else + // return std::min(a, b); + return a < b ? a : b; +#endif +} + +inline float FloatMax(float a, float b) +{ +#if defined(_XBOX) || defined(SN_TARGET_PS3) + return __FSELF((a)-(b), a, b); +#else + //return std::max(a, b); + return a > b ? a : b; +#endif +} + +inline float Abs(float v) +{ +#if defined(__ppc__) && (defined(__MWERKS__) || defined(SN_TARGET_PS3)) + return __fabsf(v); +#elif defined(_XBOX) + return __fabs(v); +#else + return v < 0.0F ? -v : v; +#endif +} + +inline double Abs(double v) +{ + return v < 0.0 ? -v : v; +} + +inline int Abs(int v) +{ + return v < 0 ? -v : v; +} + +// Floor, ceil and round functions. +// +// When changing or implementing these functions, make sure the tests in MathTest.cpp +// still pass. +// +// Floor: rounds to the largest integer smaller than or equal to the input parameter. +// Ceil: rounds to the smallest integer larger than or equal to the input parameter. +// Round: rounds to the nearest integer. Ties (0.5) are rounded up to the smallest integer +// larger than or equal to the input parameter. +// Chop/truncate: use a normal integer cast. +// +// Windows: +// Casts are as fast as a straight fistp on an SSE equipped CPU. This is by far the most common +// scenario and will result in the best code for most users. fistp will use the rounding mode set +// in the control register (round to nearest by default), and needs fiddling to work properly. +// This actually makes code that attempt to use fistp slower than a cast. +// Unless we want round to nearest, in which case fistp should be the best choice, right? But +// it is not. The default rounding mode is round to nearest, but in case of a tie (0.5), round to +// nearest even is used. Thus 0.5 is rounded down to 0, 1.5 is rounded up to 2. +// Conclusion - fistp is useless without stupid fiddling around that actually makes is slower than +// an SSE cast. +// +// OS X Intel: +// Needs investigating +// +// OS X PowerPC: +// Needs investigating +// +// Xbox 360: +// Needs investigating +// +// PS3: +// Needs investigating +// +// iPhone: +// Needs investigating +// +// Android: +// Needs investigating + + +inline int FloorfToInt(float f) +{ + DebugAssertIf(f < INT_MIN || f > INT_MAX); + return f >= 0 ? (int)f : (int)(f - kBiggestFloatSmallerThanOne); +} + +inline UInt32 FloorfToIntPos(float f) +{ + DebugAssertIf(f < 0 || f > UINT_MAX); + return (UInt32)f; +} + +inline float Floorf(float f) +{ + // Use std::floor(). + // We are interested in reliable functions that do not lose precision. + // Casting to int and back to float would not be helpful. + return floor(f); +} + +inline double Floord(double f) +{ + // Use std::floor(). + // We are interested in reliable functions that do not lose precision. + // Casting to int and back to float would not be helpful. + return floor(f); +} + + +inline int CeilfToInt(float f) +{ + DebugAssertIf(f < INT_MIN || f > INT_MAX); + return f >= 0 ? (int)(f + kBiggestFloatSmallerThanOne) : (int)(f); +} + +inline UInt32 CeilfToIntPos(float f) +{ + DebugAssertIf(f < 0 || f > UINT_MAX); + return (UInt32)(f + kBiggestFloatSmallerThanOne); +} + +inline float Ceilf(float f) +{ + // Use std::ceil(). + // We are interested in reliable functions that do not lose precision. + // Casting to int and back to float would not be helpful. + return ceil(f); +} + +inline double Ceild(double f) +{ + // Use std::ceil(). + // We are interested in reliable functions that do not lose precision. + // Casting to int and back to float would not be helpful. + return ceil(f); +} + + +inline int RoundfToInt(float f) +{ + return FloorfToInt(f + 0.5F); +} + +inline UInt32 RoundfToIntPos(float f) +{ + return FloorfToIntPos(f + 0.5F); +} + +inline float Roundf(float f) +{ + return Floorf(f + 0.5F); +} + +inline double Roundf(double f) +{ + return Floord(f + 0.5); +} + + +/// Fast conversion of float [0...1] to 0 ... 65535 +inline int NormalizedToWord(float f) +{ + f = FloatMax(f, 0.0F); + f = FloatMin(f, 1.0F); + return RoundfToIntPos(f * 65535.0f); +} + +/// Fast conversion of float [0...1] to 0 ... 65535 +inline float WordToNormalized(int p) +{ + AssertIf(p < 0 || p > 65535); + return (float)p / 65535.0F; +} + +/// Fast conversion of float [0...1] to 0 ... 255 +inline int NormalizedToByte(float f) +{ + f = FloatMax(f, 0.0F); + f = FloatMin(f, 1.0F); + return RoundfToIntPos(f * 255.0f); +} + +/// Fast conversion of float [0...1] to 0 ... 255 +inline float ByteToNormalized(int p) +{ + AssertIf(p < 0 || p > 255); + return (float)p / 255.0F; +} + + +// Returns float remainder for t / length +inline float Repeat(float t, float length) +{ + return t - Floorf(t / length) * length; +} + +// Returns double remainder for t / length +inline double RepeatD(double t, double length) +{ + return t - floor(t / length) * length; +} + +// Returns relative angle on the interval (-pi, pi] +inline float DeltaAngleRad(float current, float target) +{ + float delta = Repeat((target - current), 2 * kPI); + if (delta > kPI) + delta -= 2 * kPI; + return delta; +} + +// Returns true if the distance between f0 and f1 is smaller than epsilon +inline bool CompareApproximately(float f0, float f1, float epsilon = 0.000001F) +{ + float dist = (f0 - f1); + dist = Abs(dist); + return dist < epsilon; +} + +/// CopySignf () returns x with its sign changed to y's. +inline float CopySignf(float x, float y) +{ + union + { + float f; + UInt32 i; + } u, u0, u1; + u0.f = x; u1.f = y; + UInt32 a = u0.i; + UInt32 b = u1.i; + SInt32 mask = 1 << 31; + UInt32 sign = b & mask; + a &= ~mask; + a |= sign; + + u.i = a; + return u.f; +} + +inline int CompareFloatRobustSignUtility(float A) +{ + // The sign bit of a number is the high bit. + union + { + float f; + int i; + } u; + u.f = A; + return (u.i) & 0x80000000; +} + +inline bool CompareFloatRobust(float f0, float f1, int maxUlps = 10) +{ + // After adjusting floats so their representations are lexicographically + // ordered as twos-complement integers a very small positive number + // will compare as 'close' to a very small negative number. If this is + // not desireable, and if you are on a platform that supports + // subnormals (which is the only place the problem can show up) then + // you need this check. + // The check for A == B is because zero and negative zero have different + // signs but are equal to each other. + if (CompareFloatRobustSignUtility(f0) != CompareFloatRobustSignUtility(f1)) + return f0 == f1; + + union + { + float f; + int i; + } u0, u1; + u0.f = f0; + u1.f = f1; + int aInt = u0.i; + // Make aInt lexicographically ordered as a twos-complement int + if (aInt < 0) + aInt = 0x80000000 - aInt; + // Make bInt lexicographically ordered as a twos-complement int + int bInt = u1.i; + if (bInt < 0) + bInt = 0x80000000 - bInt; + + // Now we can compare aInt and bInt to find out how far apart A and B + // are. + int intDiff = Abs(aInt - bInt); + if (intDiff <= maxUlps) + return true; + return false; +} + +// Returns the t^2 +template<class T> +T Sqr(const T& t) +{ + return t * t; +} + +#define kDeg2Rad (2.0F * kPI / 360.0F) +#define kRad2Deg (1.F / kDeg2Rad) + +inline float Deg2Rad(float deg) +{ + // TODO : should be deg * kDeg2Rad, but can't be changed, + // because it changes the order of operations and that affects a replay in some RegressionTests + return deg / 360.0F * 2.0F * kPI; +} + +inline float Rad2Deg(float rad) +{ + // TODO : should be rad * kRad2Deg, but can't be changed, + // because it changes the order of operations and that affects a replay in some RegressionTests + return rad / 2.0F / kPI * 360.0F; +} + +inline float Lerp(float from, float to, float t) +{ + return to * t + from * (1.0F - t); +} + +inline bool IsNAN(float value) +{ +#if defined __APPLE_CC__ + return value != value; +#elif _MSC_VER + return _isnan(value) != 0; +#else + return isnan(value); +#endif +} + +inline bool IsNAN(double value) +{ +#if defined __APPLE_CC__ + return value != value; +#elif _MSC_VER + return _isnan(value) != 0; +#else + return isnan(value); +#endif +} + +inline bool IsPlusInf(float value) { return value == std::numeric_limits<float>::infinity(); } +inline bool IsMinusInf(float value) { return value == -std::numeric_limits<float>::infinity(); } + +inline bool IsFinite(const float& value) +{ + // Returns false if value is NaN or +/- infinity + UInt32 intval = *reinterpret_cast<const UInt32*>(&value); + return (intval & 0x7f800000) != 0x7f800000; +} + +inline bool IsFinite(const double& value) +{ + // Returns false if value is NaN or +/- infinity + UInt64 intval = *reinterpret_cast<const UInt64*>(&value); + return (intval & 0x7ff0000000000000LL) != 0x7ff0000000000000LL; +} + +inline float InvSqrt(float p) { return 1.0F / sqrt(p); } +inline float Sqrt(float p) { return sqrt(p); } + +/// - Almost highest precision sqrt +/// - Returns 0 if value is 0 or -1 +/// inline float FastSqrt (float value) + +/// - Almost highest precision inv sqrt +/// - if value == 0 or -0 it returns 0. +/// inline float FastInvSqrt (float value) + +/// - Low precision inv sqrt approximately +/// - if value == 0 or -0 it returns nan or undefined +/// inline float FastestInvSqrt (float value) + +#if defined(__ppc__) || defined(SN_TARGET_PS3) + +#if UNITY_WII +// Copied from <CodeWarrior>\PowerPC_EABI_Support\MSL\MSL_C\PPC_EABI\Include\math_ppc_inlines.h +// Requires hardware floating to be enabled +// P.S I've also profiled with function below which uses fabs(x) == 0.0F, it's two times slower than this one +inline float FastSqrt(float x) +{ + static const double _half = .5f; + static const double _three = 3.0f; + + if (x > 0.0f) + { + double xd = (double)x; + double guess = __frsqrte(xd); /* returns an approximation to */ + guess = _half * guess*(_three - guess * guess*xd); /* now have 12 sig bits */ + guess = _half * guess*(_three - guess * guess*xd); /* now have 24 sig bits */ + return (float)(xd * guess); + } + else if (x < 0.0) + return NAN; + else + return x; +} +#else +/// - Accurate to 1 bit precision +/// - returns zero if x is zero +inline float FastSqrt(float x) +{ + const float half = 0.5; + const float one = 1.0; + float B, y0, y1; + + // This'll NaN if it hits frsqrte. Handle both +0.0 and -0.0 + if (fabs(x) == 0.0F) + return x; + + B = x; + +#if defined(__GNUC__) && !defined(SN_TARGET_PS3) + y0 = __frsqrtes(B); +#else + y0 = __frsqrte(B); +#endif + // First refinement step + + y1 = y0 + half * y0*(one - B * y0*y0); + + // Second refinement step -- copy the output of the last step to the input of this step + + y0 = y1; + y1 = y0 + half * y0*(one - B * y0*y0); + + // Get sqrt(x) from x * 1/sqrt(x) + return x * y1; +} +#endif + +/// - Accurate to 1 bit precision +/// - returns zero if f is zero +inline float FastInvSqrt(float f) +{ + float result; + float estimate, estimate2; + float oneHalf = 0.5f; + float one = oneHalf + oneHalf; + //Calculate a 5 bit starting estimate for the reciprocal sqrt +#if defined(__GNUC__) && !defined(SN_TARGET_PS3) + estimate = estimate2 = __frsqrtes(f); +#else + estimate = estimate2 = __frsqrte(f); +#endif + + //if you require less precision, you may reduce the number of loop iterations + estimate = estimate + oneHalf * estimate * (one - f * estimate * estimate); + estimate = estimate + oneHalf * estimate * (one - f * estimate * estimate); + +#if defined(__GNUC__) && !defined(SN_TARGET_PS3) + result = __fsels(-f, estimate2, estimate); +#else + result = __fsel(-f, estimate2, estimate); +#endif + return result; +} + +/// Fast inverse sqrt function +inline float FastestInvSqrt(float value) +{ +#if defined (__ppc__) && (defined (__MWERKS__) || defined(SN_TARGET_PS3)) + return (float)__frsqrte(value); +#elif defined (__ppc__) + return (float)__frsqrtes(value); +#else + return 1.0F / sqrtf(value); +#endif +} + +#else + +inline float FastSqrt(float value) +{ + return sqrtf(value); +} + +inline float FastInvSqrt(float f) +{ + // The Newton iteration trick used in FastestInvSqrt is a bit faster on + // Pentium4 / Windows, but lower precision. Doing two iterations is precise enough, + // but actually a bit slower. + if (fabs(f) == 0.0F) + return f; + return 1.0F / sqrtf(f); +} + +inline float FastestInvSqrt(float f) +{ + union + { + float f; + int i; + } u; + float fhalf = 0.5f*f; + u.f = f; + int i = u.i; + i = 0x5f3759df - (i >> 1); + u.i = i; + f = u.f; + f = f * (1.5f - fhalf * f*f); + // f = f*(1.5f - fhalf*f*f); // uncommenting this would be two iterations + return f; +} + +#endif + +inline float SqrtImpl(float f) +{ +#if UNITY_WII || UNITY_FLASH + return FastSqrt(f); +#else + return sqrt(f); +#endif +} +inline float Sin(float f) +{ + return sinf(f); +} + +inline float Pow(float f, float f2) +{ + return powf(f, f2); +} + +inline float Cos(float f) +{ + return cosf(f); +} + +inline float Sign(float f) +{ +#if defined(_XBOX) + return __fsel(f, 1.0f, -1.0f); +#else + if (f < 0.0F) + return -1.0F; + else + return 1.0; +#endif +} + +#if UNITY_EDITOR + +class FloatToHalfConverter +{ +public: + FloatToHalfConverter(); + + void Convert(const float& src, UInt16& dest) + { + UInt32 bits = *reinterpret_cast<const UInt32*>(&src); + UInt8 index = UInt8(bits >> 23); + UInt32 sign = bits & 0x80000000; + UInt32 mantissa = bits & 0x007fffff; + dest = (sign >> 16) | m_ExponentTable[index] | (mantissa >> m_MantissaShift[index]); + } + +private: + UInt16 m_ExponentTable[256]; + UInt8 m_MantissaShift[256]; +}; + +extern FloatToHalfConverter g_FloatToHalf; + +#endif // UNITY_EDITOR + +#if UNITY_SUPPORTS_SSE +#include "Runtime/Math/Simd/SimdMath.h" + +#define SSE_CONST4(name, val) static const ALIGN16 UInt32 name[4] = { (val), (val), (val), (val) } +#define CONST_M128I(name) *(const __m128i *)&name + +static ALIGN16 UInt16 source[] = { 0,0,0,0,0,0,0,0 }; +static ALIGN16 float destination[] = { 0.0,0.0,0.0,0.0 }; + +static void HalfToFloat(UInt16 src, float& dest) +{ + SSE_CONST4(mask_nosign, 0x7fff); + SSE_CONST4(smallest_normal, 0x0400); + SSE_CONST4(infinity, 0x7c00); + SSE_CONST4(expadjust_normal, (127 - 15) << 23); + SSE_CONST4(magic_denorm, 113 << 23); + + source[0] = src; + __m128i in = _mm_loadu_si128(reinterpret_cast<const __m128i*>(source)); + __m128i mnosign = CONST_M128I(mask_nosign); + __m128i eadjust = CONST_M128I(expadjust_normal); + __m128i smallest = CONST_M128I(smallest_normal); + __m128i infty = CONST_M128I(infinity); + __m128i expmant = _mm_and_si128(mnosign, in); + __m128i justsign = _mm_xor_si128(in, expmant); + __m128i b_notinfnan = _mm_cmpgt_epi32(infty, expmant); + __m128i b_isdenorm = _mm_cmpgt_epi32(smallest, expmant); + __m128i shifted = _mm_slli_epi32(expmant, 13); + __m128i adj_infnan = _mm_andnot_si128(b_notinfnan, eadjust); + __m128i adjusted = _mm_add_epi32(eadjust, shifted); + __m128i den1 = _mm_add_epi32(shifted, CONST_M128I(magic_denorm)); + __m128i adjusted2 = _mm_add_epi32(adjusted, adj_infnan); + __m128 den2 = _mm_sub_ps(_mm_castsi128_ps(den1), *(const __m128 *)&magic_denorm); + __m128 adjusted3 = _mm_and_ps(den2, _mm_castsi128_ps(b_isdenorm)); + __m128 adjusted4 = _mm_andnot_ps(_mm_castsi128_ps(b_isdenorm), _mm_castsi128_ps(adjusted2)); + __m128 adjusted5 = _mm_or_ps(adjusted3, adjusted4); + __m128i sign = _mm_slli_epi32(justsign, 16); + __m128 out = _mm_or_ps(adjusted5, _mm_castsi128_ps(sign)); + _mm_storeu_ps(destination, out); + dest = destination[0]; +#undef SSE_CONST4 +#undef CONST_M128I +} + +#else + +static void HalfToFloat(UInt16 src, float& dest) +{ + // Integer alias + UInt32& bits = *reinterpret_cast<UInt32*>(&dest); + + // Based on Fabian Giesen's public domain half_to_float_fast3 + static const UInt32 magic = { 113 << 23 }; + const float& magicFloat = *reinterpret_cast<const float*>(&magic); + static const UInt32 shiftedExp = 0x7c00 << 13; // exponent mask after shift + + // Mask out sign bit + bits = src & 0x7fff; + if (bits) + { + // Move exponent + mantissa to correct bits + bits <<= 13; + UInt32 exponent = bits & shiftedExp; + if (exponent == 0) + { + // Handle denormal + bits += magic; + dest -= magicFloat; + } + else if (exponent == shiftedExp) // Inf/NaN + bits += (255 - 31) << 23; + else + bits += (127 - 15) << 23; + } + + // Copy sign bit + bits |= (src & 0x8000) << 16; +} + +#endif + +using std::cos; +using std::pow; +using std::atan2; +using std::acos; +using std::sin; +using std::sqrt; +using std::log; +using std::exp; + +// On non-C99 platforms log2 is not available, so approximate it. +#if UNITY_WIN || UNITY_XENON || UNITY_ANDROID || UNITY_FLASH || UNITY_WEBGL +#define kNaturalLogarithm2 0.693147180559945309417 +#define Log2(x) (logf(x) / kNaturalLogarithm2) +#else +#define Log2(x) log2f(x) +#endif + + +#endif diff --git a/Runtime/Math/Rect.h b/Runtime/Math/Rect.h new file mode 100644 index 0000000..3b4f16c --- /dev/null +++ b/Runtime/Math/Rect.h @@ -0,0 +1,150 @@ +#ifndef RECT_H +#define RECT_H + +#include "Vector2.h" + +/// A rectangle. +template <typename T> +class RectT +{ +public: + typedef RectT<T> RectType; + typedef float BaseType; + + T x; ///< Rectangle x coordinate. + T y; ///< Rectangle y coordinate. + T width; ///< Rectangle width. + T height; ///< Rectangle height. + + inline static const char* GetTypeString(); + inline static bool IsAnimationChannel() { return false; } + inline static bool MightContainPPtr() { return false; } + /// Create a empty rectangle. + RectT() + { + Reset(); + } + + /// Create a new rectangle. + RectT(T inX, T inY, T iWidth, T iHeight) + { + x = inX; width = iWidth; + y = inY; height = iHeight; + } + + T GetRight() const { return x + width; } + T GetBottom() const { return y + height; } + void SetLeft(T l) { T oldXMax = GetXMax(); x = l; width = oldXMax - x; } + void SetTop(T t) { T oldYMax = GetYMax(); y = t; height = oldYMax - y; } + void SetRight(T r) { width = r - x; } + void SetBottom(T b) { height = b - y; } + + + T GetXMax() const { return x + width; } + T GetYMax() const { return y + height; } + + /// Return true if rectangle is empty. + inline bool IsEmpty() const { return width <= 0 || height <= 0; } + + inline void SetPosition(const Vector2f& position) { x = position.x; y = position.y; } + inline Vector2f GetPosition() const { return Vector2f(x, y); } + + inline void SetSize(const Vector2f& size) { width = size.x; height = size.y; } + inline Vector2f GetSize() const { return Vector2f(width, height); } + /// Resets the rectangle + inline void Reset() { x = y = width = height = 0; } + + /// Sets the rectangle + inline void Set(T inX, T inY, T iWidth, T iHeight) + { + x = inX; width = iWidth; + y = inY; height = iHeight; + } + + inline void Scale(T dx, T dy) { x *= dx; width *= dx; y *= dy; height *= dy; } + + /// Set Center position of rectangle (size stays the same) + void SetCenterPos(T cx, T cy) { x = cx - width / 2; y = cy - height / 2; } + Vector2f GetCenterPos() const { return Vector2f(x + (BaseType)width / 2, y + (BaseType)height / 2); } + + /// Ensure this is inside the rect r. + void Clamp(const RectType &r) + { + T x2 = x + width; + T y2 = y + height; + T rx2 = r.x + r.width; + T ry2 = r.y + r.height; + + if (x < r.x) x = r.x; + if (x2 > rx2) x2 = rx2; + if (y < r.y) y = r.y; + if (y2 > ry2) y2 = ry2; + + width = x2 - x; + if (width < 0) width = 0; + + height = y2 - y; + if (height < 0) height = 0; + } + + /// Move rectangle by deltaX, deltaY. + inline void Move(T dX, T dY) { x += dX; y += dY; } + + /// Return the width of rectangle. + inline T Width() const { return width; } + + /// Return the height of rectangle. + inline T Height() const { return height; } + + /// Return true if a point lies within rectangle bounds. + inline bool Contains(T px, T py) const { return (px >= x) && (px < x + width) && (py >= y) && (py < y + height); } + inline bool Contains(const Vector2f& p) const { return Contains(p.x, p.y); } + /// Return true if a relative point lies within rectangle bounds. + inline bool ContainsRel(T x, T y) const + { + return (x >= 0) && (x < Width()) && (y >= 0) && (y < Height()); + } + + inline bool Intersects(const RectType& r) const + { + // Rects are disjoint if there's at least one separating axis + bool disjoint = x + width < r.x; + disjoint |= r.x + r.width < x; + disjoint |= y + height < r.y; + disjoint |= r.y + r.height < y; + return !disjoint; + } + + /// Normalize a rectangle such that xmin <= xmax and ymin <= ymax. + inline void Normalize() + { + width = std::max<T>(width, 0); + height = std::max<T>(height, 0); + } + + bool operator == (const RectType& r)const { return x == r.x && y == r.y && width == r.width && height == r.height; } + bool operator != (const RectType& r)const { return x != r.x || y != r.y || width != r.width || height != r.height; } +}; + +typedef RectT<float> Rectf; +typedef RectT<int> RectInt; + +template<> inline const char* Rectf::GetTypeString() { return "Rectf"; } +template<> inline const char* RectInt::GetTypeString() { return "RectInt"; } + +inline bool CompareApproximately(const Rectf& lhs, const Rectf& rhs) +{ + return CompareApproximately(lhs.x, rhs.x) && CompareApproximately(lhs.y, rhs.y) && + CompareApproximately(lhs.width, rhs.width) && CompareApproximately(lhs.height, rhs.height); +} + +/// Make a rect with width & height +template<typename T> +inline RectT<T> MinMaxRect(T minx, T miny, T maxx, T maxy) { return RectT<T>(minx, miny, maxx - minx, maxy - miny); } + +// RectT<float> specialization +template<> +inline bool Rectf::IsEmpty() const { return width <= 0.00001F || height <= 0.00001F; } + + +#endif diff --git a/Runtime/Math/Vector2.cpp b/Runtime/Math/Vector2.cpp index e69de29..e636362 100644 --- a/Runtime/Math/Vector2.cpp +++ b/Runtime/Math/Vector2.cpp @@ -0,0 +1,11 @@ +#include "Vector2.h" + +using namespace std; + +const float Vector2f::epsilon = 0.00001F; +const float Vector2f::infinity = numeric_limits<float>::infinity(); +const Vector2f Vector2f::infinityVec = Vector2f(numeric_limits<float>::infinity(), numeric_limits<float>::infinity()); + +const Vector2f Vector2f::zero = Vector2f(0, 0); +const Vector2f Vector2f::xAxis = Vector2f(1, 0); +const Vector2f Vector2f::yAxis = Vector2f(0, 1); diff --git a/Runtime/Math/Vector2.h b/Runtime/Math/Vector2.h index 7bf3987..01fa015 100644 --- a/Runtime/Math/Vector2.h +++ b/Runtime/Math/Vector2.h @@ -1,17 +1,112 @@ #ifndef VECTOR2_H #define VECTOR2_H -class Vector2 +#include "FloatConversion.h" + +class Vector2f { -public: - float x, y; +public: + float x, y; + + + Vector2f() : x(0.f), y(0.f) {} + Vector2f(float inX, float inY) { x = inX; y = inY; } + explicit Vector2f(const float* p) { x = p[0]; y = p[1]; } + + void Set(float inX, float inY) { x = inX; y = inY; } + + float* GetPtr() { return &x; } + const float* GetPtr()const { return &x; } + float& operator[] (int i) { DebugAssertIf(i < 0 || i > 1); return (&x)[i]; } + const float& operator[] (int i)const { DebugAssertIf(i < 0 || i > 1); return (&x)[i]; } - inline void Set(float x, float y) - { - this->x = x; - this->y = y; - } + Vector2f& operator += (const Vector2f& inV) { x += inV.x; y += inV.y; return *this; } + Vector2f& operator -= (const Vector2f& inV) { x -= inV.x; y -= inV.y; return *this; } + Vector2f& operator *= (const float s) { x *= s; y *= s; return *this; } + Vector2f& operator /= (const float s) { DebugAssertIf(CompareApproximately(s, 0.0F)); x /= s; y /= s; return *this; } + bool operator == (const Vector2f& v)const { return x == v.x && y == v.y; } + bool operator != (const Vector2f& v)const { return x != v.x || y != v.y; } + + Vector2f operator - () const { return Vector2f(-x, -y); } + + Vector2f& Scale(const Vector2f& inV) { x *= inV.x; y *= inV.y; return *this; } + + static const float epsilon; + static const float infinity; + static const Vector2f infinityVec; + static const Vector2f zero; + static const Vector2f xAxis; + static const Vector2f yAxis; }; +//inline Vector2f Scale(const Vector2f& lhs, const Vector2f& rhs) { return Vector2f(lhs.x * rhs.x, lhs.y * rhs.y); } +// +//inline Vector2f operator + (const Vector2f& lhs, const Vector2f& rhs) { return Vector2f(lhs.x + rhs.x, lhs.y + rhs.y); } +//inline Vector2f operator - (const Vector2f& lhs, const Vector2f& rhs) { return Vector2f(lhs.x - rhs.x, lhs.y - rhs.y); } +//inline float Dot(const Vector2f& lhs, const Vector2f& rhs) { return lhs.x * rhs.x + lhs.y * rhs.y; } +// +//inline float SqrMagnitude(const Vector2f& inV) { return Dot(inV, inV); } +//inline float Magnitude(const Vector2f& inV) { return SqrtImpl(Dot(inV, inV)); } +// +//inline float Angle(const Vector2f& lhs, const Vector2f& rhs) { return acos(std::min(1.0f, std::max(-1.0f, Dot(lhs, rhs) / (Magnitude(lhs) * Magnitude(rhs))))); } +// +//inline Vector2f operator * (const Vector2f& inV, float s) { return Vector2f(inV.x * s, inV.y * s); } +//inline Vector2f operator * (const float s, const Vector2f& inV) { return Vector2f(inV.x * s, inV.y * s); } +//inline Vector2f operator / (const Vector2f& inV, float s) { Vector2f temp(inV); temp /= s; return temp; } +//inline Vector2f Inverse(const Vector2f& inVec) { return Vector2f(1.0F / inVec.x, 1.0F / inVec.y); } +// +//// Normalizes a vector, asserts if the vector can be normalized +//inline Vector2f Normalize(const Vector2f& inV) { return inV / Magnitude(inV); } +//// Normalizes a vector, returns default vector if it can't be normalized +//inline Vector2f NormalizeSafe(const Vector2f& inV, const Vector2f& defaultV = Vector2f::zero); +// +//inline Vector2f Lerp(const Vector2f& from, const Vector2f& to, float t) { return to * t + from * (1.0f - t); } +// +//// Returns a vector with the smaller of every component from v0 and v1 +//inline Vector2f min(const Vector2f& lhs, const Vector2f& rhs) { return Vector2f(std::min(lhs.x, rhs.x), std::min(lhs.y, rhs.y)); } +//// Returns a vector with the larger of every component from v0 and v1 +//inline Vector2f max(const Vector2f& lhs, const Vector2f& rhs) { return Vector2f(std::max(lhs.x, rhs.x), std::max(lhs.y, rhs.y)); } +// +//bool CompareApproximately(const Vector2f& inV0, const Vector2f& inV1, float inMaxDist = Vector2f::epsilon); +// +//inline bool CompareApproximately(const Vector2f& inV0, const Vector2f& inV1, float inMaxDist) +//{ +// return SqrMagnitude(inV1 - inV0) < inMaxDist * inMaxDist; +//} +// +//inline bool IsNormalized(const Vector2f& vec, float epsilon = Vector2f::epsilon) +//{ +// return CompareApproximately(SqrMagnitude(vec), 1.0F, epsilon); +//} +// +///// Returns the abs of every component of the vector +//inline Vector2f Abs(const Vector2f& v) { return Vector2f(Abs(v.x), Abs(v.y)); } +// +//inline bool IsFinite(const Vector2f& f) +//{ +// return IsFinite(f.x) & IsFinite(f.y); +//} +// +//inline Vector2f NormalizeFast(const Vector2f& inV) +//{ +// float m = SqrMagnitude(inV); +// // GCC version of __frsqrte: +// // static inline double __frsqrte (double x) { +// // double y; +// // asm ( "frsqrte %0, %1" : /*OUT*/ "=f" (y) : /*IN*/ "f" (x) ); +// // return y; +// // } +// return inV * FastInvSqrt(m); +//} +// +//inline Vector2f NormalizeSafe(const Vector2f& inV, const Vector2f& defaultV) +//{ +// float mag = Magnitude(inV); +// if (mag > Vector2f::epsilon) +// return inV / Magnitude(inV); +// else +// return defaultV; +//} + #endif
\ No newline at end of file diff --git a/Runtime/main.cpp b/Runtime/main.cpp deleted file mode 100644 index 8e8dba0..0000000 --- a/Runtime/main.cpp +++ /dev/null @@ -1,6 +0,0 @@ -#include "SDL2/SDL.h" - -int main(int argn, char* args[]) -{ - return 0; -} |