shithub: duke3d

Download patch

ref: 6f1f7a5eb2dd386bd17227c348e5d39b4ad71107
parent: 29015ee744fe3278003d585bb0332706099de98e
author: Fabien Sanglard <[email protected]>
date: Mon Dec 17 14:24:51 EST 2012 

Renamed variables in a.c.


--- a/Engine/src/a.c
+++ b/Engine/src/a.c
@@ -31,12 +31,10 @@
 
 
 //FCS:   Draw ceiling/floors
-void hlineasm4(int32_t numPixels, int32_t shade, uint32_t i4, uint32_t i5, int32_t destination)
-{
+//Draw a line from destination in the framebuffer to framebuffer-numPixels
+void hlineasm4(int32_t numPixels, int32_t shade, uint32_t i4, uint32_t i5, int32_t destination){
 
     uint8_t *dest = (uint8_t *) destination;
-    
-    
     int32_t shifter = ((256-machxbits_al) & 0x1f);
     uint32_t source;
     uint8_t  bits = machxbits_bl;
@@ -83,11 +81,12 @@
 } 
 
 
-void rhlineasm4(int32_t i1, int32_t i2, int32_t i3, uint32_t i4, uint32_t i5, int32_t numPixels)
+void rhlineasm4(int32_t i1, int32_t i2, int32_t i3, uint32_t i4, uint32_t i5, int32_t dest)
 {
-    uint32_t ebp = numPixels - i1;
+    uint32_t ebp = dest - i1;
     uint32_t rmach6b = ebp-1;
-
+    int32_t numPixels;
+    
     if (i1 <= 0) return;
 
     numPixels = i1;
@@ -110,7 +109,7 @@
 	    i2 -= ebp;
 	    numPixels--;
     } while (numPixels);
-} /* rhlineasm4 */
+}
 
 static int32_t rmmach_eax;
 static int32_t rmmach_ebx;
@@ -128,36 +127,42 @@
 
 
 //FCS: ????
-void rmhlineasm4(int32_t i1, int32_t i2, int32_t i3, int32_t i4, int32_t i5, int32_t numPixels)
+void rmhlineasm4(int32_t i1, int32_t shade, int32_t colorIndex, int32_t i4, int32_t i5, int32_t dest)
 {
-    uint32_t ebp = numPixels - i1;
+    uint32_t ebp = dest - i1;
     uint32_t rmach6b = ebp-1;
+    int32_t numPixels;
+    
+    if (i1 <= 0)
+        return;
 
-    if (i1 <= 0) return;
-
     numPixels = i1;
     do {
 
 	
 
-	    i3 = ((i3&0xffffff00)|(*((uint8_t *)i2)));
+	    colorIndex = ((colorIndex&0xffffff00)|(*((uint8_t *)shade)));
 	    i4 -= rmmach_eax;
 	    ebp = (((i4+rmmach_eax) < i4) ? -1 : 0);
 	    i5 -= rmmach_ebx;
-	    if ((i5 + rmmach_ebx) < i5) i2 -= (rmmach_ecx+1);
-	    else i2 -= rmmach_ecx;
+        
+	    if ((i5 + rmmach_ebx) < i5)
+            shade -= (rmmach_ecx+1);
+	    else
+            shade -= rmmach_ecx;
+        
 	    ebp &= rmmach_esi;
         
         //Check if this colorIndex is the transparent color (255).
-	    if ((i3&0xff) != 255) {
+	    if ((colorIndex&0xff) != 255) {
 			if (pixelsAllowed-- > 0)
 			{
-				i1 = ((i1&0xffffff00)|(((uint8_t  *)i3)[rmmach_edx]));
+				i1 = ((i1&0xffffff00)|(((uint8_t  *)colorIndex)[rmmach_edx]));
 				((uint8_t  *)rmach6b)[numPixels] = (i1&0xff);
 			}
 	    }
         
-	    i2 -= ebp;
+	    shade -= ebp;
 	    numPixels--;
         
     } while (numPixels);