Changeset 894 for Daodan/src/patches

Timestamp:

Aug 12, 2013, 12:31:16 AM (11 years ago)

Author:

alloc

Message:

Daodan 3.5: Fix displaying screens larger than screen res

File:

• Daodan/src/patches/Patches.c (modified) (3 diffs)

Daodan/src/patches/Patches.c

@@ -24 +24 @@
         WMrSlider_SetRange(window, min_value, max_value);
 }
- 
+
+void ONICALL DD_M3rDraw_BigBitmap(M3tTextureMap_Big* inBigBitmap, const M3tPointScreen* inDestPoint, UUtUns16 inWidth, UUtUns16 inHeight, UUtUns32 inShade, UUtUns16 inAlpha) /* 0 - M3cMaxAlpha */
+{
+        UUtUns16 x;
+        UUtUns16 y;
+
+        for (y = 0; y < inBigBitmap->num_y; y++)
+        {
+                for (x = 0; x < inBigBitmap->num_x; x++)
+                {
+                        UUtUns16 index;
+                        void* texture; // M3tTextureMap
+                        UUtUns16 width;
+                        UUtUns16 height;
+                        UUtInt16 temp;                  
+                        UUtInt32 x_times_maxwidth;
+                        UUtInt32 y_times_maxheight;
+                        
+                        index = x + (y * inBigBitmap->num_x);
+                        texture = inBigBitmap->textures[index];
+                        
+                        x_times_maxwidth = x * 256;
+                        y_times_maxheight = y * 256;
+                        
+                        // Cast to Unsigned to get the 16 bit int representation and then to signed to get the actual value. Doing it in one step gives wrong results (at least with gcc)
+                        dest_point.x = (UUtInt16)((UUtUns16)inDestPoint->x) + x_times_maxwidth;
+                        dest_point.y = (UUtInt16)((UUtUns16)inDestPoint->y) + y_times_maxheight;
+                        dest_point.z = inDestPoint->z;
+                        dest_point.invW = inDestPoint->invW;
+
+                        temp = (UUtInt16) ( ((UUtInt32)inWidth - x_times_maxwidth) > 0 ? ((UUtInt32)inWidth - x_times_maxwidth) : 0);
+                        width = 256 < (UUtUns16)temp ? 256 : temp;
+                        temp = (UUtInt16) ( ((UUtInt32)inHeight - y_times_maxheight) > 0 ? ((UUtInt32)inHeight - y_times_maxheight) : 0);
+                        height = 256 < (UUtUns16)temp ? 256 : temp;
+                                
+                        M3rDraw_Bitmap(texture, &dest_point, width, height, inShade, inAlpha);
+                }
+        }
+}
+
+
 void ONICALL DDrShowResumeButton(WMtWindow* window, int visibility)
 {
@@ -274 +314 @@
 }
 
+// Allow HD screens with resolution < 1024*768
+void DD_Patch_HDScreens_LowRes()
+{
+        DDrPatch_MakeJump((void*)M3rDraw_BigBitmap, (void*)DD_M3rDraw_BigBitmap);
+}
+
 // Hackish fix for Konoko not kicking guns
 // Don't use this, it breaks stairs.
@@ -545 +591 @@
         if (patch_getcmdline)
                 DD_Patch_GetCmdLine();
+
+        if (patch_hdscreens_lowres)
+                DD_Patch_HDScreens_LowRes();
         
         if (patch_kickguns)