OpenTTD-patches/video/win32_v.c

796 lines
18 KiB
C

/* $Id$ */
#include "../stdafx.h"
#include "../openttd.h"
#include "../functions.h"
#include "../gfx.h"
#include "../macros.h"
#include "../network.h"
#include "../variables.h"
#include "../win32.h"
#include "../window.h"
#include "win32_v.h"
#include <windows.h>
static struct {
HWND main_wnd;
HBITMAP dib_sect;
Pixel *bitmap_bits;
Pixel *buffer_bits;
Pixel *alloced_bits;
HPALETTE gdi_palette;
int width,height;
int width_org, height_org;
bool fullscreen;
bool double_size;
bool has_focus;
bool running;
} _wnd;
static void MakePalette(void)
{
LOGPALETTE *pal;
uint i;
pal = alloca(sizeof(LOGPALETTE) + (256-1) * sizeof(PALETTEENTRY));
pal->palVersion = 0x300;
pal->palNumEntries = 256;
for (i = 0; i != 256; i++) {
pal->palPalEntry[i].peRed = _cur_palette[i].r;
pal->palPalEntry[i].peGreen = _cur_palette[i].g;
pal->palPalEntry[i].peBlue = _cur_palette[i].b;
pal->palPalEntry[i].peFlags = 0;
}
_wnd.gdi_palette = CreatePalette(pal);
if (_wnd.gdi_palette == NULL)
error("CreatePalette failed!\n");
}
static void UpdatePalette(HDC dc, uint start, uint count)
{
RGBQUAD rgb[256];
uint i;
for (i = 0; i != count; i++) {
rgb[i].rgbRed = _cur_palette[start + i].r;
rgb[i].rgbGreen = _cur_palette[start + i].g;
rgb[i].rgbBlue = _cur_palette[start + i].b;
rgb[i].rgbReserved = 0;
}
SetDIBColorTable(dc, start, count, rgb);
}
typedef struct {
byte vk_from;
byte vk_count;
byte map_to;
} VkMapping;
#define AS(x, z) {x, 0, z}
#define AM(x, y, z, w) {x, y - x, z}
#ifndef VK_OEM_3
#define VK_OEM_3 0xC0
#endif
static const VkMapping _vk_mapping[] = {
// Pageup stuff + up/down
AM(VK_PRIOR,VK_DOWN, WKC_PAGEUP, WKC_DOWN),
// Map letters & digits
AM('A','Z','A','Z'),
AM('0','9','0','9'),
AS(VK_ESCAPE, WKC_ESC),
AS(VK_PAUSE, WKC_PAUSE),
AS(VK_BACK, WKC_BACKSPACE),
AM(VK_INSERT,VK_DELETE,WKC_INSERT, WKC_DELETE),
AS(VK_SPACE, WKC_SPACE),
AS(VK_RETURN, WKC_RETURN),
AS(VK_TAB, WKC_TAB),
// Function keys
AM(VK_F1, VK_F12, WKC_F1, WKC_F12),
// Numeric part.
// What is the virtual keycode for numeric enter??
AM(VK_NUMPAD0,VK_NUMPAD9, WKC_NUM_0, WKC_NUM_9),
AS(VK_DIVIDE, WKC_NUM_DIV),
AS(VK_MULTIPLY, WKC_NUM_MUL),
AS(VK_SUBTRACT, WKC_NUM_MINUS),
AS(VK_ADD, WKC_NUM_PLUS),
AS(VK_DECIMAL, WKC_NUM_DECIMAL)
};
static uint MapWindowsKey(uint sym)
{
const VkMapping *map;
uint key = 0;
for (map = _vk_mapping; map != endof(_vk_mapping); ++map) {
if ((uint)(sym - map->vk_from) <= map->vk_count) {
key = sym - map->vk_from + map->map_to;
break;
}
}
if (GetAsyncKeyState(VK_SHIFT) < 0) key |= WKC_SHIFT;
if (GetAsyncKeyState(VK_CONTROL) < 0) key |= WKC_CTRL;
if (GetAsyncKeyState(VK_MENU) < 0) key |= WKC_ALT;
return key;
}
static void MakeWindow(bool full_screen);
static bool AllocateDibSection(int w, int h);
static void ClientSizeChanged(int w, int h)
{
if (_wnd.double_size) {
w /= 2;
h /= 2;
}
// allocate new dib section of the new size
if (AllocateDibSection(w, h)) {
// mark all palette colors dirty
_pal_first_dirty = 0;
_pal_last_dirty = 255;
GameSizeChanged();
// redraw screen
if (_wnd.running) {
_screen.dst_ptr = _wnd.buffer_bits;
UpdateWindows();
}
}
}
extern void DoExitSave(void);
#ifdef _DEBUG
// Keep this function here..
// It allows you to redraw the screen from within the MSVC debugger
int RedrawScreenDebug(void)
{
HDC dc,dc2;
static int _fooctr;
HBITMAP old_bmp;
HPALETTE old_palette;
_screen.dst_ptr = _wnd.buffer_bits;
UpdateWindows();
dc = GetDC(_wnd.main_wnd);
dc2 = CreateCompatibleDC(dc);
old_bmp = SelectObject(dc2, _wnd.dib_sect);
old_palette = SelectPalette(dc, _wnd.gdi_palette, FALSE);
BitBlt(dc, 0, 0, _wnd.width, _wnd.height, dc2, 0, 0, SRCCOPY);
SelectPalette(dc, old_palette, TRUE);
SelectObject(dc2, old_bmp);
DeleteDC(dc2);
ReleaseDC(_wnd.main_wnd, dc);
return _fooctr++;
}
#endif
static LRESULT CALLBACK WndProcGdi(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch (msg) {
case WM_PAINT: {
PAINTSTRUCT ps;
HDC dc,dc2;
HBITMAP old_bmp;
HPALETTE old_palette;
BeginPaint(hwnd, &ps);
dc = ps.hdc;
dc2 = CreateCompatibleDC(dc);
old_bmp = SelectObject(dc2, _wnd.dib_sect);
old_palette = SelectPalette(dc, _wnd.gdi_palette, FALSE);
if (_pal_last_dirty != -1) {
UpdatePalette(dc2, _pal_first_dirty, _pal_last_dirty - _pal_first_dirty + 1);
_pal_last_dirty = -1;
}
BitBlt(dc, 0, 0, _wnd.width, _wnd.height, dc2, 0, 0, SRCCOPY);
SelectPalette(dc, old_palette, TRUE);
SelectObject(dc2, old_bmp);
DeleteDC(dc2);
EndPaint(hwnd, &ps);
}
return 0;
case WM_PALETTECHANGED:
if ((HWND)wParam == hwnd)
return 0;
// FALL THROUGH
case WM_QUERYNEWPALETTE: {
HDC hDC = GetWindowDC(hwnd);
HPALETTE hOldPalette = SelectPalette(hDC, _wnd.gdi_palette, FALSE);
UINT nChanged = RealizePalette(hDC);
SelectPalette(hDC, hOldPalette, TRUE);
ReleaseDC(hwnd, hDC);
if (nChanged)
InvalidateRect(hwnd, NULL, FALSE);
return 0;
}
case WM_CLOSE:
if (_game_mode == GM_MENU) { // do not ask to quit on the main screen
_exit_game = true;
} else if (_patches.autosave_on_exit) {
DoExitSave();
_exit_game = true;
} else
AskExitGame();
return 0;
case WM_LBUTTONDOWN:
SetCapture(hwnd);
_left_button_down = true;
return 0;
case WM_LBUTTONUP:
ReleaseCapture();
_left_button_down = false;
_left_button_clicked = false;
return 0;
case WM_RBUTTONDOWN:
SetCapture(hwnd);
_right_button_down = true;
_right_button_clicked = true;
return 0;
case WM_RBUTTONUP:
ReleaseCapture();
_right_button_down = false;
return 0;
case WM_MOUSEMOVE: {
int x = (int16)LOWORD(lParam);
int y = (int16)HIWORD(lParam);
POINT pt;
if (_wnd.double_size) {
x /= 2;
y /= 2;
}
if (_cursor.fix_at) {
int dx = x - _cursor.pos.x;
int dy = y - _cursor.pos.y;
if (dx != 0 || dy != 0) {
_cursor.delta.x += dx;
_cursor.delta.y += dy;
pt.x = _cursor.pos.x;
pt.y = _cursor.pos.y;
if (_wnd.double_size) {
pt.x *= 2;
pt.y *= 2;
}
ClientToScreen(hwnd, &pt);
SetCursorPos(pt.x, pt.y);
}
} else {
_cursor.delta.x += x - _cursor.pos.x;
_cursor.delta.y += y - _cursor.pos.y;
_cursor.pos.x = x;
_cursor.pos.y = y;
_cursor.dirty = true;
}
MyShowCursor(false);
return 0;
}
case WM_KEYDOWN: {
// this is the rewritten ascii input function
// it disables windows deadkey handling --> more linux like :D
unsigned short w = 0;
int r = 0;
byte ks[256];
unsigned int scan = 0;
uint16 scancode = (( lParam & 0xFF0000 ) >> 16 );
GetKeyboardState(ks);
r = ToAscii(wParam, scan, ks, &w, 0);
if (r == 0) w = 0; // no translation was possible
_pressed_key = w | MapWindowsKey(wParam) << 16;
if (scancode == 41)
_pressed_key = w | WKC_BACKQUOTE << 16;
if ((_pressed_key >> 16) == ('D' | WKC_CTRL) && !_wnd.fullscreen) {
_double_size ^= 1;
_wnd.double_size = _double_size;
ClientSizeChanged(_wnd.width, _wnd.height);
MarkWholeScreenDirty();
}
} break;
case WM_SYSKEYDOWN: /* user presses F10 or Alt, both activating the title-menu */
switch (wParam) {
case VK_RETURN: case 0x46: /* Full Screen on ALT + ENTER/F(VK_F) */
ToggleFullScreen(!_wnd.fullscreen);
return 0;
case VK_MENU: /* Just ALT */
return 0; // do nothing
case VK_F10: /* F10, ignore activation of menu */
_pressed_key = MapWindowsKey(wParam) << 16;
return 0;
default: /* ALT in combination with something else */
_pressed_key = MapWindowsKey(wParam) << 16;
break;
}
break;
case WM_NCMOUSEMOVE:
MyShowCursor(true);
return 0;
case WM_SIZE: {
if (wParam != SIZE_MINIMIZED) {
ClientSizeChanged(LOWORD(lParam), HIWORD(lParam));
}
return 0;
}
case WM_SIZING: {
RECT* r = (RECT*)lParam;
RECT r2;
int w, h;
SetRect(&r2, 0, 0, 0, 0);
AdjustWindowRect(&r2, GetWindowLong(hwnd, GWL_STYLE), FALSE);
w = r->right - r->left - (r2.right - r2.left);
h = r->bottom - r->top - (r2.bottom - r2.top);
if (_wnd.double_size) {
w /= 2;
h /= 2;
}
w = clamp(w, 64, MAX_SCREEN_WIDTH);
h = clamp(h, 64, MAX_SCREEN_HEIGHT);
if (_wnd.double_size) {
w *= 2;
h *= 2;
}
SetRect(&r2, 0, 0, w, h);
AdjustWindowRect(&r2, GetWindowLong(hwnd, GWL_STYLE), FALSE);
w = r2.right - r2.left;
h = r2.bottom - r2.top;
switch (wParam) {
case WMSZ_BOTTOM:
r->bottom = r->top + h;
break;
case WMSZ_BOTTOMLEFT:
r->bottom = r->top + h;
r->left = r->right - w;
break;
case WMSZ_BOTTOMRIGHT:
r->bottom = r->top + h;
r->right = r->left + w;
break;
case WMSZ_LEFT:
r->left = r->right - w;
break;
case WMSZ_RIGHT:
r->right = r->left + w;
break;
case WMSZ_TOP:
r->top = r->bottom - h;
break;
case WMSZ_TOPLEFT:
r->top = r->bottom - h;
r->left = r->right - w;
break;
case WMSZ_TOPRIGHT:
r->top = r->bottom - h;
r->right = r->left + w;
break;
}
return TRUE;
}
// needed for wheel
#if !defined(WM_MOUSEWHEEL)
# define WM_MOUSEWHEEL 0x020A
#endif //WM_MOUSEWHEEL
#if !defined(GET_WHEEL_DELTA_WPARAM)
# define GET_WHEEL_DELTA_WPARAM(wparam) ((short)HIWORD(wparam))
#endif //GET_WHEEL_DELTA_WPARAM
case WM_MOUSEWHEEL: {
int delta = GET_WHEEL_DELTA_WPARAM(wParam);
if (delta < 0) {
_cursor.wheel++;
} else if (delta > 0) {
_cursor.wheel--;
}
return 0;
}
case WM_ACTIVATEAPP:
_wnd.has_focus = (bool)wParam;
break;
}
return DefWindowProc(hwnd, msg, wParam, lParam);
}
static void RegisterWndClass(void)
{
static bool registered;
if (!registered) {
HINSTANCE hinst = GetModuleHandle(NULL);
WNDCLASS wnd = {
0,
WndProcGdi,
0,
0,
hinst,
LoadIcon(hinst, MAKEINTRESOURCE(100)),
LoadCursor(NULL, IDC_ARROW),
0,
0,
"OTTD"
};
registered = true;
if (!RegisterClass(&wnd))
error("RegisterClass failed");
}
}
extern const char _openttd_revision[];
static void MakeWindow(bool full_screen)
{
_fullscreen = full_screen;
_wnd.double_size = _double_size && !full_screen;
// recreate window?
if ((full_screen || _wnd.fullscreen) && _wnd.main_wnd) {
DestroyWindow(_wnd.main_wnd);
_wnd.main_wnd = 0;
}
if (full_screen) {
DEVMODE settings;
memset(&settings, 0, sizeof(DEVMODE));
settings.dmSize = sizeof(DEVMODE);
settings.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT;
if (_fullscreen_bpp) {
settings.dmBitsPerPel = _fullscreen_bpp;
settings.dmFields |= DM_BITSPERPEL;
}
settings.dmPelsWidth = _wnd.width_org;
settings.dmPelsHeight = _wnd.height_org;
settings.dmDisplayFrequency = _display_hz;
if (settings.dmDisplayFrequency != 0)
settings.dmFields |= DM_DISPLAYFREQUENCY;
if (ChangeDisplaySettings(&settings, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL) {
MakeWindow(false);
return;
}
} else if (_wnd.fullscreen) {
// restore display?
ChangeDisplaySettings(NULL, 0);
}
{
RECT r;
uint style;
int x, y, w, h;
_wnd.fullscreen = full_screen;
if (_wnd.fullscreen) {
style = WS_POPUP | WS_VISIBLE;
SetRect(&r, 0, 0, _wnd.width_org, _wnd.height_org);
} else {
style = WS_OVERLAPPEDWINDOW | WS_VISIBLE;
SetRect(&r, 0, 0, _wnd.width, _wnd.height);
}
AdjustWindowRect(&r, style, FALSE);
w = r.right - r.left;
h = r.bottom - r.top;
x = (GetSystemMetrics(SM_CXSCREEN) - w) / 2;
y = (GetSystemMetrics(SM_CYSCREEN) - h) / 2;
if (_wnd.main_wnd) {
SetWindowPos(_wnd.main_wnd, 0, x, y, w, h, SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOZORDER);
} else {
char Windowtitle[50];
snprintf(Windowtitle, lengthof(Windowtitle), "OpenTTD %s", _openttd_revision);
_wnd.main_wnd = CreateWindow("OTTD", Windowtitle, style, x, y, w, h, 0, 0, GetModuleHandle(NULL), 0);
if (_wnd.main_wnd == NULL)
error("CreateWindow failed");
}
}
GameSizeChanged(); // invalidate all windows, force redraw
}
static bool AllocateDibSection(int w, int h)
{
BITMAPINFO *bi;
HDC dc;
w = clamp(w, 64, MAX_SCREEN_WIDTH);
h = clamp(h, 64, MAX_SCREEN_HEIGHT);
if (w == _screen.width && h == _screen.height)
return false;
_screen.width = w;
_screen.pitch = ALIGN(w, 4);
_screen.height = h;
if (_wnd.alloced_bits) {
free(_wnd.alloced_bits);
_wnd.alloced_bits = NULL;
}
bi = alloca(sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD)*256);
memset(bi, 0, sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD)*256);
bi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
if (_wnd.double_size) {
w = ALIGN(w, 4);
_wnd.alloced_bits = _wnd.buffer_bits = malloc(w * h);
w *= 2;
h *= 2;
}
bi->bmiHeader.biWidth = _wnd.width = w;
bi->bmiHeader.biHeight = -(_wnd.height = h);
bi->bmiHeader.biPlanes = 1;
bi->bmiHeader.biBitCount = 8;
bi->bmiHeader.biCompression = BI_RGB;
if (_wnd.dib_sect)
DeleteObject(_wnd.dib_sect);
dc = GetDC(0);
_wnd.dib_sect = CreateDIBSection(dc, bi, DIB_RGB_COLORS, (void**)&_wnd.bitmap_bits, NULL, 0);
if (_wnd.dib_sect == NULL)
error("CreateDIBSection failed");
ReleaseDC(0, dc);
if (!_wnd.double_size)
_wnd.buffer_bits = _wnd.bitmap_bits;
return true;
}
static const uint16 default_resolutions[][2] = {
{ 640, 480},
{ 800, 600},
{1024, 768},
{1152, 864},
{1280, 800},
{1280, 960},
{1280, 1024},
{1400, 1050},
{1600, 1200},
{1680, 1050},
{1920, 1200}
};
static void FindResolutions(void)
{
int i = 0, n = 0;
DEVMODE dm;
while (EnumDisplaySettings(NULL, i++, &dm) != 0) {
if (dm.dmBitsPerPel == 8 && IS_INT_INSIDE(dm.dmPelsWidth, 640, MAX_SCREEN_WIDTH + 1) &&
IS_INT_INSIDE(dm.dmPelsHeight, 480, MAX_SCREEN_HEIGHT + 1)){
int j;
for (j = 0; j < n; j++) {
if (_resolutions[j][0] == dm.dmPelsWidth && _resolutions[j][1] == dm.dmPelsHeight) break;
}
/* In the previous loop we have checked already existing/added resolutions if
* they are the same as the new ones. If this is not the case (j == n); we have
* looped all and found none, add the new one to the list. If we have reached the
* maximum amount of resolutions, then quit querying the display */
if (j == n) {
_resolutions[j][0] = dm.dmPelsWidth;
_resolutions[j][1] = dm.dmPelsHeight;
if (++n == lengthof(_resolutions)) break;
}
}
}
/* We have found no resolutions, show the default list */
if (n == 0) {
memcpy(_resolutions, default_resolutions, sizeof(default_resolutions));
n = lengthof(default_resolutions);
}
_num_resolutions = n;
SortResolutions(_num_resolutions);
}
static const char *Win32GdiStart(const char * const *parm)
{
memset(&_wnd, 0, sizeof(_wnd));
RegisterWndClass();
MakePalette();
FindResolutions();
// fullscreen uses those
_wnd.width_org = _cur_resolution[0];
_wnd.height_org = _cur_resolution[1];
AllocateDibSection(_cur_resolution[0], _cur_resolution[1]);
MarkWholeScreenDirty();
MakeWindow(_fullscreen);
return NULL;
}
static void Win32GdiStop(void)
{
if (_wnd.fullscreen) ChangeDisplaySettings(NULL, 0);
if (_double_size) {
_cur_resolution[0] *= 2;
_cur_resolution[1] *= 2;
}
MyShowCursor(true);
DeleteObject(_wnd.gdi_palette);
DeleteObject(_wnd.dib_sect);
DestroyWindow(_wnd.main_wnd);
}
// simple upscaler by 2
static void filter(int left, int top, int width, int height)
{
uint p = _screen.pitch;
const Pixel *s = _wnd.buffer_bits + top * p + left;
Pixel *d = _wnd.bitmap_bits + top * p * 4 + left * 2;
for (; height > 0; height--) {
int i;
for (i = 0; i != width; i++) {
d[i * 2] = d[i * 2 + 1] = d[i * 2 + p * 2] = d[i * 2 + 1 + p * 2] = s[i];
}
s += p;
d += p * 4;
}
}
static void Win32GdiMakeDirty(int left, int top, int width, int height)
{
RECT r = { left, top, left + width, top + height };
if (_wnd.double_size) {
filter(left, top, width, height);
r.left *= 2;
r.top *= 2;
r.right *= 2;
r.bottom *= 2;
}
InvalidateRect(_wnd.main_wnd, &r, FALSE);
}
static void CheckPaletteAnim(void)
{
if (_pal_last_dirty == -1)
return;
InvalidateRect(_wnd.main_wnd, NULL, FALSE);
}
static void Win32GdiMainLoop(void)
{
MSG mesg;
uint32 next_tick = GetTickCount() + 30, cur_ticks;
_wnd.running = true;
while(true) {
while (PeekMessage(&mesg, NULL, 0, 0, PM_REMOVE)) {
InteractiveRandom(); // randomness
TranslateMessage(&mesg);
DispatchMessage(&mesg);
}
if (_exit_game) return;
#if defined(_DEBUG)
if (_wnd.has_focus && GetAsyncKeyState(VK_SHIFT) < 0) {
if (
#else
if (_wnd.has_focus && GetAsyncKeyState(VK_TAB) < 0) {
/* Disable speeding up game with ALT+TAB (if syskey is pressed, the
* real key is in the upper 16 bits (see WM_SYSKEYDOWN in WndProcGdi()) */
if ((_pressed_key >> 16) & WKC_TAB &&
#endif
!_networking && _game_mode != GM_MENU)
_fast_forward |= 2;
} else if (_fast_forward & 2)
_fast_forward = 0;
cur_ticks = GetTickCount();
if ((_fast_forward && !_pause) || cur_ticks > next_tick)
next_tick = cur_ticks;
if (cur_ticks == next_tick) {
next_tick += 30;
_ctrl_pressed = _wnd.has_focus && GetAsyncKeyState(VK_CONTROL)<0;
_shift_pressed = _wnd.has_focus && GetAsyncKeyState(VK_SHIFT)<0;
#ifdef _DEBUG
_dbg_screen_rect = _wnd.has_focus && GetAsyncKeyState(VK_CAPITAL)<0;
#endif
// determine which directional keys are down
if (_wnd.has_focus) {
_dirkeys =
(GetAsyncKeyState(VK_LEFT) < 0 ? 1 : 0) +
(GetAsyncKeyState(VK_UP) < 0 ? 2 : 0) +
(GetAsyncKeyState(VK_RIGHT) < 0 ? 4 : 0) +
(GetAsyncKeyState(VK_DOWN) < 0 ? 8 : 0);
} else
_dirkeys = 0;
GameLoop();
_cursor.delta.x = _cursor.delta.y = 0;
if (_force_full_redraw)
MarkWholeScreenDirty();
GdiFlush();
_screen.dst_ptr = _wnd.buffer_bits;
UpdateWindows();
CheckPaletteAnim();
} else {
Sleep(1);
GdiFlush();
_screen.dst_ptr = _wnd.buffer_bits;
DrawTextMessage();
DrawMouseCursor();
}
}
}
static bool Win32GdiChangeRes(int w, int h)
{
_wnd.width = _wnd.width_org = w;
_wnd.height = _wnd.height_org = h;
MakeWindow(_fullscreen); // _wnd.fullscreen screws up ingame resolution switching
return true;
}
static void Win32GdiFullScreen(bool full_screen) {MakeWindow(full_screen);}
const HalVideoDriver _win32_video_driver = {
Win32GdiStart,
Win32GdiStop,
Win32GdiMakeDirty,
Win32GdiMainLoop,
Win32GdiChangeRes,
Win32GdiFullScreen,
};