ref: 993baaf1029e1379aea6a6045fff97015f042cce
parent: 97888140d15254059c5520fba21ba2bfc6d0bf86
author: Fabian Greffrath <fabian@greffrath.com>
date: Thu Sep 3 05:25:22 EDT 2015
Pass a parameter to I_BeginRead() to force it to backup the background Also, draw disk icon by means of V_DrawPatch(), thanks @jmtd.
--- a/src/doom/st_stuff.c
+++ b/src/doom/st_stuff.c
@@ -1052,6 +1052,8 @@
// and refresh all widgets
ST_drawWidgets(true);
+ I_BeginRead(true);
+
}
void ST_diffDraw(void)
--- a/src/i_video.c
+++ b/src/i_video.c
@@ -238,10 +238,11 @@
static grabmouse_callback_t grabmouse_callback = NULL;
-// disk image data and background overwritten by the disk to be
-// restored by EndRead
+// disk image patch name (either STDISK or STCDROM) and
+// background overwritten by the disk to be restored by EndRead
-static byte *disk_image = NULL;
+static char *disk_name;
+static patch_t *disk;
static byte *saved_background;
static boolean window_focused;
@@ -395,14 +396,6 @@
void I_EnableLoadingDisk(void)
{
- patch_t *disk;
- byte *tmpbuf;
- char *disk_name;
- int y;
- char buf[20];
-
- SDL_VideoDriverName(buf, 15);
-
if (M_CheckParm("-cdrom") > 0)
disk_name = DEH_String("STCDROM");
else
@@ -410,31 +403,7 @@
disk = W_CacheLumpName(disk_name, PU_STATIC);
- // Draw the patch into a temporary buffer
-
- tmpbuf = Z_Malloc(SCREENWIDTH * (disk->height + 1), PU_STATIC, NULL);
- V_UseBuffer(tmpbuf);
-
- // Draw the disk to the screen:
-
- V_DrawPatch(0, 0, disk);
-
- disk_image = Z_Malloc(LOADING_DISK_W * LOADING_DISK_H, PU_STATIC, NULL);
saved_background = Z_Malloc(LOADING_DISK_W * LOADING_DISK_H, PU_STATIC, NULL);
-
- for (y=0; y<LOADING_DISK_H; ++y)
- {
- memcpy(disk_image + LOADING_DISK_W * y,
- tmpbuf + SCREENWIDTH * y,
- LOADING_DISK_W);
- }
-
- // All done - free the screen buffer and restore the normal
- // video buffer.
-
- W_ReleaseLumpName(disk_name);
- V_RestoreBuffer();
- Z_Free(tmpbuf);
}
//
@@ -964,7 +933,7 @@
static int readtic = 0;
-void I_BeginRead(void)
+void I_BeginRead(boolean force)
{
byte *screenloc = I_VideoBuffer
+ (SCREENHEIGHT - LOADING_DISK_H) * SCREENWIDTH
@@ -971,26 +940,30 @@
+ (SCREENWIDTH - LOADING_DISK_W);
int y;
- if (!initialized || disk_image == NULL)
+ if (!initialized || disk == NULL)
return;
- for (y=0; y<LOADING_DISK_H; ++y)
+ // save background if the disk isn't already drawn
+
+ if (!readtic || force)
{
- // save background if the disk isn't already drawn
- if (!readtic)
+ for (y=0; y<LOADING_DISK_H; ++y)
{
memcpy(saved_background + y * LOADING_DISK_W,
screenloc,
LOADING_DISK_W);
+
+ screenloc += SCREENWIDTH;
}
+ }
- // copy the disk image in
- memcpy(screenloc,
- disk_image + y * LOADING_DISK_W,
- LOADING_DISK_W);
+ // Draw the disk to the screen
- screenloc += SCREENWIDTH;
- }
+ V_DrawPatch(
+ SCREENWIDTH - LOADING_DISK_W,
+ SCREENHEIGHT - LOADING_DISK_H,
+ disk
+ );
readtic = gametic;
}
@@ -1075,7 +1048,7 @@
}
else
{
- I_BeginRead();
+ I_BeginRead(false);
}
}
--- a/src/i_video.h
+++ b/src/i_video.h
@@ -109,7 +109,7 @@
void I_ReadScreen (byte* scr);
-void I_BeginRead (void);
+void I_BeginRead (boolean force);
void I_EndRead (void);
void I_SetWindowTitle(char *title);
--- a/src/w_wad.c
+++ b/src/w_wad.c
@@ -347,7 +347,7 @@
l = lumpinfo[lump];
- I_BeginRead();
+ I_BeginRead(false);
c = W_Read(l->wad_file, l->position, dest, l->size);