1

#include "stdafx.h"

     2

#include "ttd.h"

     3

#include "gfx.h"

     4

#include "sound.h"

     5

#include "window.h"

     6

#include <windows.h>

     7

#include <mmsystem.h>

     8

#include "hal.h"

     9

#include <winnt.h>

    10

#include <wininet.h>

    11

#include <io.h>

    12

#include <fcntl.h>

    13

    14

#define SMART_PALETTE_ANIM

    15

    16

static struct {

    17

	HWND main_wnd;

    18

	HBITMAP dib_sect;

    19

	void *bitmap_bits;

    20

	void *buffer_bits;

    21

	void *alloced_bits;

    22

	HPALETTE gdi_palette;

    23

	int width,height;

    24

	int width_org, height_org;

    25

	bool cursor_visible;

    26

	bool switch_driver;

    27

	bool fullscreen;

    28

	bool double_size;

    29

	bool has_focus;

    30

	bool running;

    31

} _wnd;

    32

    33

static HINSTANCE _inst;

    34

static bool _has_console;

    35

    36

#if defined(MINGW32) || defined(__CYGWIN__)

    37

	#define __TIMESTAMP__   __DATE__ __TIME__

    38

#endif

    39

    40

#ifdef WIN32_ENABLE_DIRECTMUSIC_SUPPORT

    41

extern const HalMusicDriver _dmusic_midi_driver;

    42

#endif

    43

    44

static void MakePalette()

    45

{

    46

	LOGPALETTE *pal;

    47

	int i;

    48

	byte *b;

    49

    50

	pal = alloca(sizeof(LOGPALETTE) + (256-1) * sizeof(PALETTEENTRY));

    51

    52

	pal->palVersion = 0x300;

    53

	pal->palNumEntries = 256;

    54

    55

	for(i=0,b=_cur_palette; i!=256;i++,b+=3) {

    56

		pal->palPalEntry[i].peRed = b[0];

    57

		pal->palPalEntry[i].peGreen = b[1];

    58

		pal->palPalEntry[i].peBlue = b[2];

    59

		pal->palPalEntry[i].peFlags = 0;

    60

    61

	}

    62

	_wnd.gdi_palette = CreatePalette(pal);

    63

	if (_wnd.gdi_palette == NULL)

    64

		error("CreatePalette failed!\n");

    65

}

    66

    67

static void UpdatePalette(HDC dc, uint start, uint count)

    68

{

    69

	RGBQUAD rgb[256];

    70

	uint i;

    71

	byte *b;

    72

    73

		for(i=0,b = _cur_palette + start*3; i!=count; i++,b+=3) {

    74

		rgb[i].rgbRed = b[0];

    75

		rgb[i].rgbGreen = b[1];

    76

		rgb[i].rgbBlue = b[2];

    77

		rgb[i].rgbReserved = 0;

    78

	}

    79

    80

	SetDIBColorTable(dc, start, count, rgb);

    81

}

    82

    83

static bool MyShowCursor(bool show)

    84

{

    85

	if (_wnd.cursor_visible == show)

    86

		return show;

    87

    88

	_wnd.cursor_visible = show;

    89

	ShowCursor(show);

    90

    91

	return !show;

    92

}

    93

    94

typedef struct {

    95

	byte vk_from;

    96

	byte vk_count;

    97

	byte map_to;

    98

} VkMapping;

    99

   100

#define AS(x,z) {x,0,z}

   101

#define AM(x,y,z,w) {x,y-x,z}

   102

   103

#ifndef	VK_OEM_3

   104

#define VK_OEM_3 0xC0

   105

#endif

   106

   107

static const VkMapping _vk_mapping[] = {

   108

	// Pageup stuff + up/down

   109

	AM(VK_PRIOR,VK_DOWN, WKC_PAGEUP, WKC_DOWN),

   110

	// Map letters & digits

   111

	AM('A','Z','A','Z'),

   112

	AM('0','9','0','9'),

   113

   114

	AS(VK_OEM_3,	WKC_BACKQUOTE),

   115

	AS(220,				WKC_BACKQUOTE),

   116

   117

	AS(VK_ESCAPE,		WKC_ESC),

   118

	AS(VK_BACK,			WKC_BACKSPACE),

   119

	AM(VK_INSERT,VK_DELETE,WKC_INSERT, WKC_DELETE),

   120

   121

	AS(VK_SPACE,		WKC_SPACE),

   122

	AS(VK_RETURN,		WKC_RETURN),

   123

	AS(VK_TAB,			WKC_TAB),

   124

   125

	// Function keys

   126

	AM(VK_F1, VK_F12,	WKC_F1, WKC_F12),

   127

   128

	// Numeric part.

   129

	// What is the virtual keycode for numeric enter??

   130

	AM(VK_NUMPAD0,VK_NUMPAD9, WKC_NUM_0, WKC_NUM_9),

   131

	AS(VK_DIVIDE,			WKC_NUM_DIV),

   132

	AS(VK_MULTIPLY,		WKC_NUM_MUL),

   133

	AS(VK_SUBTRACT,		WKC_NUM_MINUS),

   134

	AS(VK_ADD,				WKC_NUM_PLUS),

   135

	AS(VK_DECIMAL,		WKC_NUM_DECIMAL),

   136

	{0}

   137

};

   138

   139

static uint MapWindowsKey(uint key)

   140

{

   141

	const VkMapping	*map = _vk_mapping - 1;

   142

	uint from;

   143

	do {

   144

		map++;

   145

		from = map->vk_from;

   146

		if (from == 0) {

   147

			return 0; // Unknown key pressed.

   148

			}

   149

	}	while ((uint)(key - from) > map->vk_count);

   150

   151

	key = key - from + map->map_to;

   152

   153

	if (GetAsyncKeyState(VK_SHIFT)<0)	key |= WKC_SHIFT;

   154

	if (GetAsyncKeyState(VK_CONTROL)<0)	key |= WKC_CTRL;

   155

	if (GetAsyncKeyState(VK_MENU)<0)	key |= WKC_ALT;

   156

	return key;

   157

}

   158

   159

static void MakeWindow(bool full_screen);

   160

static bool AllocateDibSection(int w, int h);

   161

   162

static void ClientSizeChanged(int w, int h)

   163

{

   164

	if (_wnd.double_size) { w >>= 1; h >>= 1; }

   165

   166

	// allocate new dib section of the new size

   167

	if (AllocateDibSection(w, h)) {

   168

		// mark all palette colors dirty

   169

		_pal_first_dirty = 0;

   170

		_pal_last_dirty = 255;

   171

		GameSizeChanged();

   172

   173

		// redraw screen

   174

		if (_wnd.running) {

   175

			_screen.dst_ptr = _wnd.buffer_bits;

   176

			UpdateWindows();

   177

		}

   178

	}

   179

}

   180

   181

static LRESULT CALLBACK WndProcGdi(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)

   182

{

   183

	switch(msg) {

   184

	case WM_PAINT: {

   185

		PAINTSTRUCT ps;

   186

		HDC dc,dc2;

   187

		HBITMAP old_bmp;

   188

		HPALETTE old_palette;

   189

		BeginPaint(hwnd, &ps);

   190

		dc = ps.hdc;

   191

		dc2 = CreateCompatibleDC(dc);

   192

		old_bmp = SelectObject(dc2, _wnd.dib_sect);

   193

		old_palette = SelectPalette(dc, _wnd.gdi_palette, FALSE);

   194

   195

		if (_pal_last_dirty != -1) {

   196

			UpdatePalette(dc2, _pal_first_dirty, _pal_last_dirty - _pal_first_dirty + 1);

   197

			_pal_last_dirty = -1;

   198

		}

   199

   200

		BitBlt(dc, 0, 0, _wnd.width, _wnd.height, dc2, 0, 0, SRCCOPY);

   201

		SelectPalette(dc, old_palette, TRUE);

   202

		SelectObject(dc2, old_bmp);

   203

		DeleteDC(dc2);

   204

		EndPaint(hwnd, &ps);

   205

		}

   206

		return 0;

   207

   208

	case WM_PALETTECHANGED:

   209

		if ((HWND)wParam == hwnd)

   210

			return 0;

   211

		// FALL THROUGH

   212

	case WM_QUERYNEWPALETTE: {

   213

		HDC hDC = GetWindowDC(hwnd);

   214

		HPALETTE hOldPalette = SelectPalette(hDC, _wnd.gdi_palette, FALSE);

   215

		UINT nChanged = RealizePalette(hDC);

   216

		SelectPalette(hDC, hOldPalette, TRUE);

   217

		ReleaseDC(hwnd, hDC);

   218

		if (nChanged)

   219

			InvalidateRect(hwnd, NULL, FALSE);

   220

		return 0;

   221

	}

   222

   223

	case WM_CLOSE:

   224

		AskExitGame();

   225

		return 0;

   226

   227

	case WM_LBUTTONDOWN:

   228

		SetCapture(hwnd);

   229

		_left_button_down = true;

   230

		return 0;

   231

   232

	case WM_LBUTTONUP:

   233

		ReleaseCapture();

   234

		_left_button_down = false;

   235

		_left_button_clicked = false;

   236

		return 0;

   237

   238

	case WM_RBUTTONDOWN:

   239

		SetCapture(hwnd);

   240

		_right_button_down = true;

   241

		_right_button_clicked = true;

   242

		return 0;

   243

   244

	case WM_RBUTTONUP:

   245

		ReleaseCapture();

   246

		_right_button_down = false;

   247

		return 0;

   248

   249

	case WM_MOUSEMOVE: {

   250

		int x = (int16)LOWORD(lParam);

   251

		int y = (int16)HIWORD(lParam);

   252

		POINT pt;

   253

   254

		if (_wnd.double_size) {

   255

			x >>= 1;

   256

			y >>= 1;

   257

		}

   258

   259

		if (_cursor.fix_at) {

   260

			int dx = x - _cursor.pos.x;

   261

			int dy = y - _cursor.pos.y;

   262

			if (dx != 0 || dy != 0) {

   263

				_cursor.delta.x += dx;

   264

				_cursor.delta.y += dy;

   265

   266

				pt.x = _cursor.pos.x;

   267

				pt.y = _cursor.pos.y;

   268

   269

				if (_wnd.double_size) {

   270

					pt.x *= 2;

   271

					pt.y *= 2;

   272

				}

   273

				ClientToScreen(hwnd, &pt);

   274

				SetCursorPos(pt.x, pt.y);

   275

			}

   276

		} else {

   277

			_cursor.delta.x += x - _cursor.pos.x;

   278

			_cursor.delta.y += y - _cursor.pos.y;

   279

			_cursor.pos.x = x;

   280

			_cursor.pos.y = y;

   281

			_cursor.dirty = true;

   282

		}

   283

		MyShowCursor(false);

   284

		return 0;

   285

	}

   286

   287

	case WM_KEYDOWN: {

   288

		// this is the rewritten ascii input function

   289

		// it disables windows deadkey handling --> more linux like :D

   290

    unsigned short w = 0;

   291

		int r = 0;

   292

		byte ks[256];

   293

		unsigned int scan = 0;

   294

		GetKeyboardState(ks);

   295

		r = ToAscii(wParam, scan, ks, &w, 0);

   296

		if (r == 0) w = 0; // no translation was possible

   297

   298

		_pressed_key = w | MapWindowsKey(wParam) << 16;

   299

   300

		if ((_pressed_key>>16) == ('D' | WKC_CTRL) && !_wnd.fullscreen) {

   301

			_double_size ^= 1;

   302

			_wnd.double_size = _double_size;

   303

			ClientSizeChanged(_wnd.width, _wnd.height);

   304

			MarkWholeScreenDirty();

   305

		}

   306

	}	break;

   307

   308

   309

	case WM_SYSKEYDOWN: /* user presses F10 or Alt, both activating the title-menu */

   310

		switch(wParam) {

   311

		case VK_RETURN: /* Full Screen */

   312

			MakeWindow(!_wnd.fullscreen);

   313

			return 0;

   314

		case VK_MENU: /* Just ALT */

   315

			return 0; // do nothing

   316

		default: /* ALT in combination with something else */

   317

			_pressed_key = MapWindowsKey(wParam) << 16;

   318

			break;

   319

		}

   320

		break;

   321

	case WM_NCMOUSEMOVE:

   322

		MyShowCursor(true);

   323

		return 0;

   324

   325

	case WM_SIZE: {

   326

		if (wParam != SIZE_MINIMIZED) {

   327

			ClientSizeChanged(LOWORD(lParam), HIWORD(lParam));

   328

		}

   329

		return 0;

   330

	}

   331

	case WM_SIZING: {

   332

		RECT* r = (RECT*)lParam;

   333

		RECT r2;

   334

		int w, h;

   335

   336

		SetRect(&r2, 0, 0, 0, 0);

   337

		AdjustWindowRect(&r2, GetWindowLong(hwnd, GWL_STYLE), FALSE);

   338

   339

		w = r->right - r->left - (r2.right - r2.left);

   340

		h = r->bottom - r->top - (r2.bottom - r2.top);

   341

		if (_wnd.double_size) { w >>= 1; h >>= 1; }

   342

		w = clamp(w, 64, MAX_SCREEN_WIDTH);

   343

		h = clamp(h, 64, MAX_SCREEN_HEIGHT);

   344

		if (_wnd.double_size) { w <<= 1; h <<= 1; }

   345

		SetRect(&r2, 0, 0, w, h);

   346

   347

		AdjustWindowRect(&r2, GetWindowLong(hwnd, GWL_STYLE), FALSE);

   348

		w = r2.right - r2.left;

   349

		h = r2.bottom - r2.top;

   350

   351

		switch (wParam) {

   352

		case WMSZ_BOTTOM:

   353

			r->bottom = r->top + h;

   354

			break;

   355

		case WMSZ_BOTTOMLEFT:

   356

			r->bottom = r->top + h;

   357

			r->left = r->right - w;

   358

			break;

   359

		case WMSZ_BOTTOMRIGHT:

   360

			r->bottom = r->top + h;

   361

			r->right = r->left + w;

   362

			break;

   363

		case WMSZ_LEFT:

   364

			r->left = r->right - w;

   365

			break;

   366

		case WMSZ_RIGHT:

   367

			r->right = r->left + w;

   368

			break;

   369

		case WMSZ_TOP:

   370

			r->top = r->bottom - h;

   371

			break;

   372

		case WMSZ_TOPLEFT:

   373

			r->top = r->bottom - h;

   374

			r->left = r->right - w;

   375

			break;

   376

		case WMSZ_TOPRIGHT:

   377

			r->top = r->bottom - h;

   378

			r->right = r->left + w;

   379

			break;

   380

		}

   381

		return TRUE;

   382

	}

   383

   384

// needed for wheel

   385

#if !defined(WM_MOUSEWHEEL)

   386

# define WM_MOUSEWHEEL                   0x020A

   387

#endif  //WM_MOUSEWHEEL

   388

#if !defined(GET_WHEEL_DELTA_WPARAM)

   389

# define GET_WHEEL_DELTA_WPARAM(wparam) ((short)HIWORD(wparam))

   390

#endif  //GET_WHEEL_DELTA_WPARAM

   391

   392

	case WM_MOUSEWHEEL: {

   393

		int delta = GET_WHEEL_DELTA_WPARAM(wParam);

   394

		if (delta < 0) {

   395

			_cursor.wheel++;

   396

		} else if (delta > 0) {

   397

			_cursor.wheel--;

   398

		}

   399

		return 0;

   400

	}

   401

   402

	case WM_ACTIVATEAPP:

   403

		_wnd.has_focus = (bool)wParam;

   404

		break;

   405

	}

   406

	return DefWindowProc(hwnd, msg, wParam, lParam);

   407

}

   408

   409

static void RegisterWndClass()

   410

{

   411

	static bool registered;

   412

	if (!registered) {

   413

		HINSTANCE hinst = GetModuleHandle(NULL);

   414

		WNDCLASS wnd = {

   415

			0,

   416

			WndProcGdi,

   417

			0,

   418

			0,

   419

			hinst,

   420

			LoadIcon(hinst, MAKEINTRESOURCE(100)),

   421

			LoadCursor(NULL, IDC_ARROW),

   422

			0,

   423

			0,

   424

			"TTD"

   425

		};

   426

		registered = true;

   427

		if (!RegisterClass(&wnd))

   428

			error("RegisterClass failed");

   429

	}

   430

}

   431

   432

static void MakeWindow(bool full_screen)

   433

{

   434

	_fullscreen = full_screen;

   435

   436

	_wnd.double_size = _double_size && !full_screen;

   437

   438

	// recreate window?

   439

	if ((full_screen|_wnd.fullscreen) && _wnd.main_wnd) {

   440

		DestroyWindow(_wnd.main_wnd);

   441

		_wnd.main_wnd = 0;

   442

	}

   443

   444

	if (full_screen) {

   445

		DEVMODE settings;

   446

		memset(&settings, 0, sizeof(DEVMODE));

   447

		settings.dmSize = sizeof(DEVMODE);

   448

		settings.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT;

   449

   450

		if (_fullscreen_bpp) {

   451

			settings.dmBitsPerPel = _fullscreen_bpp;

   452

			settings.dmFields |= DM_BITSPERPEL;

   453

		}

   454

		settings.dmPelsWidth = _wnd.width_org;

   455

		settings.dmPelsHeight = _wnd.height_org;

   456

		if ((settings.dmDisplayFrequency = _display_hz) != 0)

   457

			settings.dmFields |= DM_DISPLAYFREQUENCY;

   458

		if ( !ChangeDisplaySettings(&settings, CDS_FULLSCREEN) == DISP_CHANGE_SUCCESSFUL ) {

   459

			MakeWindow(false);

   460

			return;

   461

		}

   462

	} else if (_wnd.fullscreen) {

   463

		// restore display?

   464

		ChangeDisplaySettings(NULL, 0);

   465

	}

   466

   467

	{

   468

		RECT r;

   469

		uint style;

   470

		int x, y, w, h;

   471

   472

		if ((_wnd.fullscreen=full_screen) != false) {

   473

			style = WS_POPUP | WS_VISIBLE;

   474

			SetRect(&r, 0, 0, _wnd.width_org, _wnd.height_org);

   475

		} else {

   476

			style = WS_OVERLAPPEDWINDOW | WS_VISIBLE;

   477

			SetRect(&r, 0, 0, _wnd.width, _wnd.height);

   478

		}

   479

   480

		AdjustWindowRect(&r, style, FALSE);

   481

		w = r.right - r.left;

   482

		h = r.bottom - r.top;

   483

		x = (GetSystemMetrics(SM_CXSCREEN)-w)>>1;

   484

		y = (GetSystemMetrics(SM_CYSCREEN)-h)>>1;

   485

   486

		if (_wnd.main_wnd) {

   487

			SetWindowPos(_wnd.main_wnd, 0, x, y, w, h, SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOZORDER);

   488

		} else {

   489

			char Windowtitle[50] = "OpenTTD ";

   490

			#ifdef WITH_REV_HACK

   491

				// also show revision number/release in window title

   492

				extern const char _openttd_revision[];

   493

				strncat(Windowtitle, _openttd_revision, sizeof(Windowtitle)-(strlen(Windowtitle) + 1));

   494

			#endif

   495

			_wnd.main_wnd = CreateWindow("TTD", Windowtitle, style, x, y, w, h, 0, 0, _inst, 0);

   496

			if (_wnd.main_wnd == NULL)

   497

				error("CreateWindow failed");

   498

		}

   499

	}

   500

	GameSizeChanged(); // invalidate all windows, force redraw

   501

}

   502

   503

static bool AllocateDibSection(int w, int h)

   504

{

   505

	BITMAPINFO *bi;

   506

	HDC dc;

   507

   508

	w = clamp(w, 64, MAX_SCREEN_WIDTH);

   509

	h = clamp(h, 64, MAX_SCREEN_HEIGHT);

   510

   511

	if (w == _screen.width && h == _screen.height)

   512

		return false;

   513

   514

	_screen.width = w;

   515

	_screen.pitch = (w + 3) & ~0x3;

   516

	_screen.height = h;

   517

   518

	if (_wnd.alloced_bits) {

   519

		free(_wnd.alloced_bits);

   520

		_wnd.alloced_bits = NULL;

   521

	}