wwwww

[16.git] / src / lib / modex16.c

diff --git a/src/lib/modex16.c b/src/lib/modex16.c
index 08ab753dbb075cf82d5186614a2bcb7c3659bc60..df5a23e984dca76abbc040e09fc6f0001956e423 100644 (file)
--- a/src/lib/modex16.c
+++ b/src/lib/modex16.c
@@ -1,3 +1,25 @@
+/* Project 16 Source Code~
+ * Copyright (C) 2012-2015 sparky4 & pngwen & andrius4669
+ *
+ * This file is part of Project 16.
+ *
+ * Project 16 is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Project 16 is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>, or
+ * write to the Free Software Foundation, Inc., 51 Franklin Street,
+ * Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
 #include <dos.h>
 #include <string.h>
 #include <mem.h>
@@ -6,8 +28,13 @@
 #include <stdlib.h>
 #include "src/lib/modex16.h"
 
-
 byte far* VGA=(byte far*) 0xA0000000;  /* this points to video memory. */
+/*word text_mask[16] = {
+       0x0002, 0x0102, 0x0202, 0x0302,
+       0x0402, 0x0502, 0x0602, 0x0702,
+       0x0802, 0x0902, 0x0A02, 0x0B02,
+       0x0C02, 0x0D02, 0x0E02, 0x0F02
+};*/
 
 static void fadePalette(sbyte fade, sbyte start, word iter, byte *palette);
 static byte tmppal[PAL_SIZE];
@@ -91,6 +118,7 @@ modexDefaultPage() {
     page.dy = 0;
     page.width = SCREEN_WIDTH;
     page.height = SCREEN_HEIGHT;
+       page.id = 0;
 
     return page;
 }
@@ -107,6 +135,23 @@ modexNextPage(page_t *p) {
     result.dy = 0;
     result.width = p->width;
     result.height = p->height;
+       result.id = p->id+1;
+
+    return result;
+}
+
+//next page with defined dimentions~
+page_t
+modexNextPage0(page_t *p, word x, word y)
+{
+       page_t result;
+
+       result.data = p->data + (p->width/4)*p->height;  /* compute the offset */
+       result.dx = 0;
+       result.dy = 0;
+       result.width = x;
+       result.height = y;
+       result.id = p->id+1;
 
     return result;
 }
@@ -138,7 +183,7 @@ modexShowPage(page_t *page) {
     outp(CRTC_DATA, crtcOffset);
 
     /*  wait for one retrace */
-    while (!(inp(INPUT_STATUS_1) & VRETRACE)); 
+    while (!(inp(INPUT_STATUS_1) & VRETRACE));
 
     /* do PEL panning here */
     outp(AC_INDEX, 0x33);
@@ -215,6 +260,28 @@ modexClearRegion(page_t *page, int x, int y, int w, int h, byte  color) {
 }
 
 
+void
+oldDrawBmp(byte far* page, int x, int y, bitmap_t *bmp, byte sprite)
+{
+       byte plane;
+       word px, py;
+       word offset;
+
+       /* TODO Make this fast.  It's SLOOOOOOW */
+       for(plane=0; plane < 4; plane++) {
+               modexSelectPlane(PLANE(plane+x));
+               for(px = plane; px < bmp->width; px+=4) {
+                       offset=px;
+                       for(py=0; py<bmp->height; py++) {
+                       if(!sprite || bmp->data[offset])
+                               page[PAGE_OFFSET(x+px, y+py)] = bmp->data[offset];
+                       offset+=bmp->width;
+                       }
+               }
+       }
+}
+
+
 void
 modexDrawBmp(page_t *page, int x, int y, bitmap_t *bmp) {
     /* draw the region (the entire freakin bitmap) */
@@ -253,7 +320,7 @@ modexDrawBmpRegion(page_t *page, int x, int y,
 
                ;-- begin plane painting
                MOV AX, height          ; start the row counter
-               MOV rowCounter, AX      ; 
+               MOV rowCounter, AX      ;
                MOV DI, poffset         ; go to the first pixel
                MOV SI, bmpOffset       ; go to the bmp pixel
        ROW_LOOP:
@@ -333,7 +400,7 @@ modexDrawSpriteRegion(page_t *page, int x, int y,
 
                ;-- begin plane painting
                MOV AX, height          ; start the row counter
-               MOV rowCounter, AX      ; 
+               MOV rowCounter, AX      ;
                MOV DI, poffset         ; go to the first pixel
                MOV SI, bmpOffset       ; go to the bmp pixel
        ROW_LOOP: