diff options
Diffstat (limited to 'src/i_video.c')
-rw-r--r-- | src/i_video.c | 387 |
1 files changed, 308 insertions, 79 deletions
diff --git a/src/i_video.c b/src/i_video.c index 0ed4d716..ac25e9ad 100644 --- a/src/i_video.c +++ b/src/i_video.c @@ -29,14 +29,14 @@ #include <stdlib.h> #include <ctype.h> #include <math.h> +#include <string.h> #include "icon.c" #include "config.h" -#include "deh_main.h" -#include "doomdef.h" -#include "doomstat.h" -#include "d_main.h" +#include "deh_str.h" +#include "doomtype.h" +#include "doomkeys.h" #include "i_joystick.h" #include "i_system.h" #include "i_swap.h" @@ -44,12 +44,55 @@ #include "i_video.h" #include "i_scale.h" #include "m_argv.h" -#include "s_sound.h" -#include "sounds.h" +#include "m_config.h" +#include "tables.h" #include "v_video.h" #include "w_wad.h" #include "z_zone.h" +// Lookup table for mapping ASCII characters to their equivalent when +// shift is pressed on an American layout keyboard: + +static const char shiftxform[] = +{ + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, + 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, + 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, + 31, ' ', '!', '"', '#', '$', '%', '&', + '"', // shift-' + '(', ')', '*', '+', + '<', // shift-, + '_', // shift-- + '>', // shift-. + '?', // shift-/ + ')', // shift-0 + '!', // shift-1 + '@', // shift-2 + '#', // shift-3 + '$', // shift-4 + '%', // shift-5 + '^', // shift-6 + '&', // shift-7 + '*', // shift-8 + '(', // shift-9 + ':', + ':', // shift-; + '<', + '+', // shift-= + '>', '?', '@', + 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', + 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', + '[', // shift-[ + '!', // shift-backslash - OH MY GOD DOES WATCOM SUCK + ']', // shift-] + '"', '_', + '\'', // shift-` + 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', + 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', + '{', '|', '}', '~', 127 +}; + + // Non aspect ratio-corrected modes (direct multiples of 320x200) static screen_mode_t *screen_modes[] = { @@ -81,14 +124,18 @@ static screen_mode_t *screen_modes_corrected[] = { &mode_squash_5x, }; -extern void M_QuitDOOM(); - // SDL video driver name char *video_driver = ""; +// SDL surface for the screen. + static SDL_Surface *screen; +// Window title + +static char *window_title = ""; + // palette static SDL_Color palette[256]; @@ -103,44 +150,73 @@ static boolean initialised = false; // disable mouse? static boolean nomouse = false; -extern int usemouse; +int usemouse = 1; + +// Disallow mouse and joystick movement to cause forward/backward +// motion. Specified with the '-novert' command line parameter. +// This is an int to allow saving to config file -// if true, screens[0] is screen->pixel +int novert = 0; + +// if true, I_VideoBuffer is screen->pixels static boolean native_surface; // Screen width and height, from configuration file. -int screen_width = SCREENWIDTH; -int screen_height = SCREENHEIGHT; +static int screen_width = SCREENWIDTH; +static int screen_height = SCREENHEIGHT; // Automatically adjust video settings if the selected mode is // not a valid video mode. -int autoadjust_video_settings = 1; +static int autoadjust_video_settings = 1; // Run in full screen mode? (int type for config code) -int fullscreen = true; +static int fullscreen = true; // Aspect ratio correction mode -int aspect_ratio_correct = true; +static int aspect_ratio_correct = true; // Time to wait for the screen to settle on startup before starting the // game (ms) -int startup_delay = 1000; +static int startup_delay = 1000; // Grab the mouse? (int type for config code) -int grabmouse = true; +static int grabmouse = true; + +// The screen buffer; this is modified to draw things to the screen + +byte *I_VideoBuffer = NULL; + +// If true, game is running as a screensaver + +boolean screensaver_mode = false; // Flag indicating whether the screen is currently visible: // when the screen isnt visible, don't render the screen boolean screenvisible; +// If true, we display dots at the bottom of the screen to +// indicate FPS. + +static boolean display_fps_dots; + +// If this is true, the screen is rendered but not blitted to the +// video buffer. + +static boolean noblit; + +// Callback function to invoke to determine whether to grab the +// mouse pointer. + +static grabmouse_callback_t grabmouse_callback = NULL; + // disk image data and background overwritten by the disk to be // restored by EndRead @@ -163,6 +239,10 @@ static screen_mode_t *screen_mode; int vanilla_keyboard_mapping = true; +// Is the shift key currently down? + +static int shiftdown = 0; + // Mouse acceleration // // This emulates some of the behavior of DOS mouse drivers by increasing @@ -175,6 +255,10 @@ int vanilla_keyboard_mapping = true; float mouse_acceleration = 2.0; int mouse_threshold = 10; +// Gamma correction level to use + +int usegamma = 0; + static boolean MouseShouldBeGrabbed() { // never grab the mouse when in screensaver mode @@ -198,24 +282,34 @@ static boolean MouseShouldBeGrabbed() if (!usemouse || nomouse) return false; - // Drone players don't need mouse focus - - if (drone) - return false; - // if we specify not to grab the mouse, never grab if (!grabmouse) return false; - // when menu is active or game is paused, release the mouse - - if (menuactive || paused) - return false; + // Invoke the grabmouse callback function to determine whether + // the mouse should be grabbed - // only grab mouse when playing levels (but not demos) + if (grabmouse_callback != NULL) + { + return grabmouse_callback(); + } + else + { + return true; + } +} + +void I_SetGrabMouseCallback(grabmouse_callback_t func) +{ + grabmouse_callback = func; +} - return (gamestate == GS_LEVEL) && !demoplayback; +// Set the variable controlling FPS dots. + +void I_DisplayFPSDots(boolean dots_on) +{ + display_fps_dots = dots_on; } // Update the value of window_focused when we get a focus event @@ -240,9 +334,10 @@ static void UpdateFocus(void) screenvisible = (state & SDL_APPACTIVE) != 0; } -static void LoadDiskImage(void) +void I_EnableLoadingDisk(void) { patch_t *disk; + byte *tmpbuf; char *disk_name; int y; char buf[20]; @@ -265,9 +360,16 @@ static void LoadDiskImage(void) disk = W_CacheLumpName(disk_name, PU_STATIC); - V_DrawPatch(0, 0, 0, disk); + // Draw the patch into a temporary buffer + + tmpbuf = Z_Malloc(SCREENWIDTH * (disk->height + 1), PU_STATIC, NULL); + V_UseBuffer(tmpbuf); + disk_image_w = SHORT(disk->width); disk_image_h = SHORT(disk->height); + V_DrawPatch(0, 0, disk); + + // Copy the disk into the disk_image buffer. disk_image = Z_Malloc(disk_image_w * disk_image_h, PU_STATIC, NULL); saved_background = Z_Malloc(disk_image_w * disk_image_h, PU_STATIC, NULL); @@ -275,12 +377,16 @@ static void LoadDiskImage(void) for (y=0; y<disk_image_h; ++y) { memcpy(disk_image + disk_image_w * y, - screens[0] + SCREENWIDTH * y, + tmpbuf + SCREENWIDTH * y, disk_image_w); - memset(screens[0] + SCREENWIDTH * y, 0, disk_image_w); } + // All done - free the screen buffer and restore the normal + // video buffer. + W_ReleaseLumpName(disk_name); + V_RestoreBuffer(); + Z_Free(tmpbuf); } // @@ -425,6 +531,74 @@ static int AccelerateMouse(int val) } } +// Get the equivalent ASCII (Unicode?) character for a keypress. + +static int GetTypedChar(SDL_Event *event) +{ + int key; + + // If Vanilla keyboard mapping enabled, the keyboard + // scan code is used to give the character typed. + // This does not change depending on keyboard layout. + // If you have a German keyboard, pressing 'z' will + // give 'y', for example. It is desirable to be able + // to fix this so that people with non-standard + // keyboard mappings can type properly. If vanilla + // mode is disabled, use the properly translated + // version. + + if (vanilla_keyboard_mapping) + { + key = TranslateKey(&event->key.keysym); + + // Is shift held down? If so, perform a translation. + + if (shiftdown > 0) + { + if (key >= 0 && key < arrlen(shiftxform)) + { + key = shiftxform[key]; + } + else + { + key = 0; + } + } + + return key; + } + else + { + // Unicode value, from key layout. + + return event->key.keysym.unicode; + } +} + +static void UpdateShiftStatus(SDL_Event *event) +{ + int change; + + if (event->type == SDL_KEYDOWN) + { + change = 1; + } + else if (event->type == SDL_KEYUP) + { + change = -1; + } + else + { + return; + } + + if (event->key.keysym.sym == SDLK_LSHIFT + || event->key.keysym.sym == SDLK_RSHIFT) + { + shiftdown += change; + } +} + void I_GetEvent(void) { SDL_Event sdlevent; @@ -453,32 +627,18 @@ void I_GetEvent(void) I_Quit(); } + UpdateShiftStatus(&sdlevent); + // process event switch (sdlevent.type) { case SDL_KEYDOWN: + // data1 has the key pressed, data2 has the character + // (shift-translated, etc) event.type = ev_keydown; event.data1 = TranslateKey(&sdlevent.key.keysym); - - // If Vanilla keyboard mapping enabled, the keyboard - // scan code is used to give the character typed. - // This does not change depending on keyboard layout. - // If you have a German keyboard, pressing 'z' will - // give 'y', for example. It is desirable to be able - // to fix this so that people with non-standard - // keyboard mappings can type properly. If vanilla - // mode is disabled, use the properly translated - // version. - - if (vanilla_keyboard_mapping) - { - event.data2 = event.data1; - } - else - { - event.data2 = sdlevent.key.keysym.unicode; - } + event.data2 = GetTypedChar(&sdlevent); D_PostEvent(&event); break; @@ -520,9 +680,8 @@ void I_GetEvent(void) break; case SDL_QUIT: - // bring up the "quit doom?" prompt - S_StartSound(NULL,sfx_swtchn); - M_QuitDOOM(0); + event.type = ev_quit; + D_PostEvent(&event); break; case SDL_ACTIVEEVENT: @@ -572,7 +731,15 @@ static void I_ReadMouse(void) ev.type = ev_mouse; ev.data1 = MouseButtonState(); ev.data2 = AccelerateMouse(x); - ev.data3 = -AccelerateMouse(y); + + if (!novert) + { + ev.data3 = -AccelerateMouse(y); + } + else + { + ev.data3 = 0; + } D_PostEvent(&ev); } @@ -663,7 +830,7 @@ static boolean BlitArea(int x1, int y1, int x2, int y2) if (SDL_LockSurface(screen) >= 0) { - I_InitScale(screens[0], + I_InitScale(I_VideoBuffer, (byte *) screen->pixels + (y_offset * screen->pitch) + x_offset, screen->pitch); @@ -712,7 +879,7 @@ void I_BeginRead(void) for (y=0; y<disk_image_h; ++y) { byte *screenloc = - screens[0] + I_VideoBuffer + (SCREENHEIGHT - 1 - disk_image_h + y) * SCREENWIDTH + (SCREENWIDTH - 1 - disk_image_w); @@ -738,7 +905,7 @@ void I_EndRead(void) for (y=0; y<disk_image_h; ++y) { byte *screenloc = - screens[0] + I_VideoBuffer + (SCREENHEIGHT - 1 - disk_image_h + y) * SCREENWIDTH + (SCREENWIDTH - 1 - disk_image_w); @@ -775,19 +942,18 @@ void I_FinishUpdate (void) return; // draws little dots on the bottom of the screen - if (devparm) - { + if (display_fps_dots) + { i = I_GetTime(); tics = i - lasttic; lasttic = i; if (tics > 20) tics = 20; for (i=0 ; i<tics*2 ; i+=4) - screens[0][ (SCREENHEIGHT-1)*SCREENWIDTH + i] = 0xff; + I_VideoBuffer[ (SCREENHEIGHT-1)*SCREENWIDTH + i] = 0xff; for ( ; i<20*4 ; i+=4) - screens[0][ (SCREENHEIGHT-1)*SCREENWIDTH + i] = 0x0; - + I_VideoBuffer[ (SCREENHEIGHT-1)*SCREENWIDTH + i] = 0x0; } // draw to screen @@ -814,7 +980,7 @@ void I_FinishUpdate (void) // void I_ReadScreen (byte* scr) { - memcpy (scr, screens[0], SCREENWIDTH*SCREENHEIGHT); + memcpy(scr, I_VideoBuffer, SCREENWIDTH*SCREENHEIGHT); } @@ -836,16 +1002,26 @@ void I_SetPalette (byte *doompalette) } // -// Set the window caption +// Set the window title +// + +void I_SetWindowTitle(char *title) +{ + window_title = title; +} + +// +// Call the SDL function to set the window title, based on +// the title set with I_SetWindowTitle. // -void I_SetWindowCaption(void) +static void I_InitWindowTitle(void) { char *buf; - buf = Z_Malloc(strlen(gamedescription) + strlen(PACKAGE_STRING) + 10, + buf = Z_Malloc(strlen(window_title) + strlen(PACKAGE_STRING) + 5, PU_STATIC, NULL); - sprintf(buf, "%s - %s", gamedescription, PACKAGE_STRING); + sprintf(buf, "%s - %s", window_title, PACKAGE_STRING); SDL_WM_SetCaption(buf, NULL); @@ -854,7 +1030,7 @@ void I_SetWindowCaption(void) // Set the application icon -void I_SetWindowIcon(void) +static void I_InitWindowIcon(void) { SDL_Surface *surface; Uint8 *mask; @@ -1173,6 +1349,14 @@ static void CheckCommandLine(void) int i; //! + // @vanilla + // + // Disable blitting the screen. + // + + noblit = M_CheckParm ("-noblit"); + + //! // @category video // // Grab the mouse when running in windowed mode. @@ -1307,6 +1491,28 @@ static void CheckCommandLine(void) { SetScaleFactor(3); } + + //! + // @category video + // + // Disable vertical mouse movement. + // + + if (M_CheckParm("-novert")) + { + novert = true; + } + + //! + // @category video + // + // Enable vertical mouse movement. + // + + if (M_CheckParm("-nonovert")) + { + novert = false; + } } // Check if we have been invoked as a screensaver by xscreensaver. @@ -1484,8 +1690,8 @@ void I_InitGraphics(void) // Set up title and icon. Windows cares about the ordering; this // has to be done before the call to SDL_SetVideoMode. - I_SetWindowCaption(); - I_SetWindowIcon(); + I_InitWindowTitle(); + I_InitWindowIcon(); // Set the video mode. @@ -1574,23 +1780,21 @@ void I_InitGraphics(void) if (native_surface) { - screens[0] = (unsigned char *) screen->pixels; + I_VideoBuffer = (unsigned char *) screen->pixels; - screens[0] += (screen->h - SCREENHEIGHT) / 2; + I_VideoBuffer += (screen->h - SCREENHEIGHT) / 2; } else { - screens[0] = (unsigned char *) Z_Malloc (SCREENWIDTH * SCREENHEIGHT, - PU_STATIC, NULL); + I_VideoBuffer = (unsigned char *) Z_Malloc (SCREENWIDTH * SCREENHEIGHT, + PU_STATIC, NULL); } - // "Loading from disk" icon - - LoadDiskImage(); + V_RestoreBuffer(); // Clear the screen to black. - memset(screens[0], 0, SCREENWIDTH * SCREENHEIGHT); + memset(I_VideoBuffer, 0, SCREENWIDTH * SCREENHEIGHT); // We need SDL to give us translated versions of keys as well @@ -1612,5 +1816,30 @@ void I_InitGraphics(void) } initialised = true; + + // Call I_ShutdownGraphics on quit + + I_AtExit(I_ShutdownGraphics, true); +} + +// Bind all variables controlling video options into the configuration +// file system. + +void I_BindVideoVariables(void) +{ + M_BindVariable("use_mouse", &usemouse); + M_BindVariable("autoadjust_video_settings", &autoadjust_video_settings); + M_BindVariable("fullscreen", &fullscreen); + M_BindVariable("aspect_ratio_correct", &aspect_ratio_correct); + M_BindVariable("startup_delay", &startup_delay); + M_BindVariable("screen_width", &screen_width); + M_BindVariable("screen_height", &screen_height); + M_BindVariable("grabmouse", &grabmouse); + M_BindVariable("mouse_acceleration", &mouse_acceleration); + M_BindVariable("mouse_threshold", &mouse_threshold); + M_BindVariable("video_driver", &video_driver); + M_BindVariable("usegamma", &usegamma); + M_BindVariable("vanilla_keyboard_mapping", &vanilla_keyboard_mapping); + M_BindVariable("novert", &novert); } |