shithub: choc

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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);

-- 

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