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

static const VkMapping _vk_mapping[] = {

   104

	// Pageup stuff + up/down

   105

	AM(VK_PRIOR,VK_DOWN, WKC_PAGEUP, WKC_DOWN),

   106

	// Map letters & digits

   107

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

   108

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

   109

   110

	AS(VK_OEM_3,	WKC_BACKQUOTE),

   111

	AS(220,				WKC_BACKQUOTE),

   112

   113

	AS(VK_ESCAPE,		WKC_ESC),

   114

	AS(VK_BACK,			WKC_BACKSPACE),

   115

	AM(VK_INSERT,VK_DELETE,WKC_INSERT, WKC_DELETE),

   116

   117

	AS(VK_SPACE,		WKC_SPACE),

   118

	AS(VK_RETURN,		WKC_RETURN),

   119

	AS(VK_TAB,			WKC_TAB),

   120

   121

	// Function keys

   122

	AM(VK_F1, VK_F12,	WKC_F1, WKC_F12),

   123

   124

	// Numeric part.

   125

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

   126

	AM(VK_NUMPAD0,VK_NUMPAD9, WKC_NUM_0, WKC_NUM_9),

   127

	AS(VK_DIVIDE,			WKC_NUM_DIV),

   128

	AS(VK_MULTIPLY,		WKC_NUM_MUL),

   129

	AS(VK_SUBTRACT,		WKC_NUM_MINUS),

   130

	AS(VK_ADD,				WKC_NUM_PLUS),

   131

	AS(VK_DECIMAL,		WKC_NUM_DECIMAL),

   132

	{0}	

   133

};

   134

   135

static uint MapWindowsKey(uint key)

   136

{

   137

	const VkMapping	*map = _vk_mapping - 1;

   138

	uint from;

   139

	do {

   140

		map++;

   141

		from = map->vk_from;

   142

		if (from == 0) {

   143

			return 0; // Unknown key pressed.

   144

			}

   145

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

   146

   147

	key = key - from + map->map_to;

   148

   149

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

   150

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

   151

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

   152

	return key;

   153

}

   154

   155

static void MakeWindow(bool full_screen);

   156

static bool AllocateDibSection(int w, int h);

   157

   158

static void ClientSizeChanged(int w, int h)

   159

{

   160

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

   161

   162

	// allocate new dib section of the new size

   163

	if (AllocateDibSection(w, h)) {

   164

		// mark all palette colors dirty

   165

		_pal_first_dirty = 0;

   166

		_pal_last_dirty = 255;

   167

		GameSizeChanged();

   168

   169

		// redraw screen

   170

		if (_wnd.running) {

   171

			_screen.dst_ptr = _wnd.buffer_bits;

   172

			UpdateWindows();

   173

		}

   174

	}

   175

}

   176

   177

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

   178

{

   179

	switch(msg) {

   180

	case WM_PAINT: {

   181

		PAINTSTRUCT ps;

   182

		HDC dc,dc2;

   183

		HBITMAP old_bmp;

   184

		HPALETTE old_palette;

   185

		BeginPaint(hwnd, &ps);

   186

		dc = ps.hdc;

   187

		dc2 = CreateCompatibleDC(dc);

   188

		old_bmp = SelectObject(dc2, _wnd.dib_sect);

   189

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

   190

   191

		if (_pal_last_dirty != -1) {

   192

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

   193

			_pal_last_dirty = -1;

   194

		}

   195

   196

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

   197

		SelectPalette(dc, old_palette, TRUE);

   198

		SelectObject(dc2, old_bmp);

   199

		DeleteDC(dc2);

   200

		EndPaint(hwnd, &ps);

   201

		}

   202

		return 0;

   203

   204

	case WM_PALETTECHANGED:

   205

		if ((HWND)wParam == hwnd)

   206

			return 0;

   207

		// FALL THROUGH

   208

	case WM_QUERYNEWPALETTE: {

   209

		HDC hDC = GetWindowDC(hwnd);

   210

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

   211

		UINT nChanged = RealizePalette(hDC);

   212

		SelectPalette(hDC, hOldPalette, TRUE);

   213

		ReleaseDC(hwnd, hDC);

   214

		if (nChanged)

   215

			InvalidateRect(hwnd, NULL, FALSE);

   216

		return 0;

   217

	}

   218

   219

	case WM_CLOSE:

   220

		AskExitGame();

   221

		return 0;

   222

   223

	case WM_LBUTTONDOWN:

   224

		SetCapture(hwnd);

   225

		_left_button_down = true;

   226

		return 0;

   227

   228

	case WM_LBUTTONUP:

   229

		ReleaseCapture();

   230

		_left_button_down = false;

   231

		_left_button_clicked = false;

   232

		return 0;

   233

   234

	case WM_RBUTTONDOWN:

   235

		SetCapture(hwnd);

   236

		_right_button_down = true;

   237

		_right_button_clicked = true;

   238

		return 0;

   239

   240

	case WM_RBUTTONUP:

   241

		ReleaseCapture();

   242

		_right_button_down = false;

   243

		return 0;

   244

   245

	case WM_MOUSEMOVE: {

   246

		int x = (int16)LOWORD(lParam);

   247

		int y = (int16)HIWORD(lParam);

   248

		POINT pt;

   249

   250

		if (_wnd.double_size) {

   251

			x >>= 1;

   252

			y >>= 1;

   253

		}

   254

   255

		if (_cursor.fix_at) {

   256

			int dx = x - _cursor.pos.x;

   257

			int dy = y - _cursor.pos.y;

   258

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

   259

				_cursor.delta.x += dx;

   260

				_cursor.delta.y += dy;

   261

   262

				pt.x = _cursor.pos.x;

   263

				pt.y = _cursor.pos.y;

   264

   265

				if (_wnd.double_size) {

   266

					pt.x *= 2;

   267

					pt.y *= 2;

   268

				}

   269

				ClientToScreen(hwnd, &pt);

   270

				SetCursorPos(pt.x, pt.y);

   271

			}

   272

		} else {

   273

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

   274

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

   275

			_cursor.pos.x = x;

   276

			_cursor.pos.y = y;

   277

			_cursor.dirty = true;

   278

		}

   279

		MyShowCursor(false);

   280

		return 0;

   281

	}

   282

   283

	case WM_KEYDOWN:

   284

		{         

   285

		// this is the rewritten ascii input function

   286

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

   287

        unsigned short w = 0;

   288

		int r = 0;

   289

		byte ks[256];

   290

		unsigned int scan=0;

   291

		GetKeyboardState(ks);

   292

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

   293

		if (r=0) w=0;

   294

   295

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

   296

		}

   297

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

   298

			_double_size ^= 1;

   299

			_wnd.double_size = _double_size;

   300

			ClientSizeChanged(_wnd.width, _wnd.height);

   301

			MarkWholeScreenDirty();

   302

		}

   303

		break;	

   304

   305

   306

	case WM_SYSKEYDOWN:

   307

		switch(wParam) {

   308

		case VK_RETURN:

   309

			MakeWindow(!_wnd.fullscreen);

   310

			return 0;

   311

		default:

   312

			_pressed_key = MapWindowsKey(wParam) << 16;

   313

			break;

   314

		}

   315

		break;

   316

	case WM_NCMOUSEMOVE:

   317

		MyShowCursor(true);

   318

		return 0;

   319

   320

	case WM_SIZE: {

   321

		if (wParam != SIZE_MINIMIZED) {

   322

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

   323

		}

   324

		return 0;

   325

	}

   326

	case WM_SIZING: {

   327

		RECT* r = (RECT*)lParam;

   328

		RECT r2;

   329

		int w, h;

   330

   331

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

   332

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

   333

   334

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

   335

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

   336

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

   337

		w = clamp(w & ~0x7, 64, MAX_SCREEN_WIDTH);

   338

		h = clamp(h & ~0x7, 64, MAX_SCREEN_HEIGHT);

   339

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

   340

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

   341

   342

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

   343

		w = r2.right - r2.left;

   344

		h = r2.bottom - r2.top;

   345

   346

		switch (wParam) {

   347

		case WMSZ_BOTTOM:

   348

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

   349

			break;

   350

		case WMSZ_BOTTOMLEFT:

   351

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

   352

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

   353

			break;

   354

		case WMSZ_BOTTOMRIGHT:

   355

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

   356

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

   357

			break;

   358

		case WMSZ_LEFT:

   359

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

   360

			break;

   361

		case WMSZ_RIGHT:

   362

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

   363

			break;

   364

		case WMSZ_TOP:

   365

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

   366

			break;

   367

		case WMSZ_TOPLEFT:

   368

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

   369

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

   370

			break;

   371

		case WMSZ_TOPRIGHT:

   372

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

   373

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

   374

			break;

   375

		}

   376

		return TRUE;

   377

	}

   378

   379

// needed for wheel

   380

#if !defined(WM_MOUSEWHEEL)

   381

# define WM_MOUSEWHEEL                   0x020A

   382

#endif  //WM_MOUSEWHEEL

   383

#if !defined(GET_WHEEL_DELTA_WPARAM)

   384

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

   385

#endif  //GET_WHEEL_DELTA_WPARAM

   386

   387

	case WM_MOUSEWHEEL: {

   388

		int delta = GET_WHEEL_DELTA_WPARAM(wParam);	

   389

		if (delta < 0) {

   390

			_cursor.wheel++;

   391

		} else if (delta > 0) {

   392

			_cursor.wheel--;

   393

		}

   394

		return 0;

   395

	}

   396

   397

	case WM_ACTIVATEAPP:

   398

		_wnd.has_focus = (bool)wParam;

   399

		break;

   400

	}

   401

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

   402

}

   403

   404

static void RegisterWndClass()

   405

{

   406

	static bool registered;

   407

	if (!registered) {

   408

		HINSTANCE hinst = GetModuleHandle(NULL);

   409

		WNDCLASS wnd = {

   410

			0,

   411

			WndProcGdi,

   412

			0,

   413

			0,

   414

			hinst,

   415

			LoadIcon(hinst, MAKEINTRESOURCE(100)),

   416

			LoadCursor(NULL, IDC_ARROW),

   417

			0,

   418

			0,

   419

			"TTD"

   420

		};

   421

		registered = true;

   422

		if (!RegisterClass(&wnd))

   423

			error("RegisterClass failed");

   424

	}

   425

}

   426

   427

static void MakeWindow(bool full_screen)

   428

{

   429

	_fullscreen = full_screen;

   430

   431

	_wnd.double_size = _double_size && !full_screen;

   432

   433

	// recreate window?

   434

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

   435

		DestroyWindow(_wnd.main_wnd);

   436

		_wnd.main_wnd = 0;

   437

	}

   438

   439

	if (full_screen) {

   440

		DEVMODE settings;

   441

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

   442

		settings.dmSize = sizeof(DEVMODE);

   443

		settings.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT;

   444

   445

		if (_fullscreen_bpp) {

   446

			settings.dmBitsPerPel = _fullscreen_bpp;

   447

			settings.dmFields |= DM_BITSPERPEL;

   448

		}

   449

		settings.dmPelsWidth = _wnd.width_org;

   450

		settings.dmPelsHeight = _wnd.height_org;

   451

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

   452

			settings.dmFields |= DM_DISPLAYFREQUENCY;

   453

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

   454

			MakeWindow(false);

   455

			return;

   456

		}

   457

	} else if (_wnd.fullscreen) {

   458

		// restore display?

   459

		ChangeDisplaySettings(NULL, 0);

   460

	}

   461

   462

	{

   463

		RECT r;

   464

		uint style;

   465

		int x, y, w, h;

   466

   467

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

   468

			style = WS_POPUP | WS_VISIBLE;

   469

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

   470

		} else {

   471

			style = WS_OVERLAPPEDWINDOW | WS_VISIBLE;

   472

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

   473

		}

   474

   475

		AdjustWindowRect(&r, style, FALSE);

   476

		w = r.right - r.left;

   477

		h = r.bottom - r.top;

   478

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

   479

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

   480

   481

		if (_wnd.main_wnd) {

   482

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

   483

		} else {

   484

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

   485

			if (_wnd.main_wnd == NULL)

   486

				error("CreateWindow failed");

   487

		}

   488

	}

   489

}

   490

   491

static bool AllocateDibSection(int w, int h)

   492

{

   493

	BITMAPINFO *bi;

   494

	HDC dc;

   495

   496

	w = clamp(w & ~7, 64, MAX_SCREEN_WIDTH);

   497

	h = clamp(h & ~7, 64, MAX_SCREEN_HEIGHT);

   498

   499

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

   500

		return false;

   501

   502

	_screen.width = _screen.pitch = w;

   503

	_screen.height = h;

   504

   505

	if (_wnd.alloced_bits) {

   506

		free(_wnd.alloced_bits);

   507

		_wnd.alloced_bits = NULL;

   508

	}

   509

   510

	bi = alloca(sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD)*256);

   511

	memset(bi, 0, sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD)*256);

   512

	bi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);

   513

   514

	{

   515

		if (_wnd.double_size) {

   516

			_wnd.alloced_bits = _wnd.buffer_bits = (byte*)malloc(w * h);

   517

			w *= 2;

   518

			h *= 2;

   519

		}

   520

   521

		bi->bmiHeader.biWidth = _wnd.width = w;

   522

		bi->bmiHeader.biHeight = -(_wnd.height = h);

   523

	}

   524

   525

	bi->bmiHeader.biPlanes = 1;

   526

	bi->bmiHeader.biBitCount = 8;

   527

	bi->bmiHeader.biCompression = BI_RGB;