- for (y = 0; y < CAVE_BUFFER_HEIGHT; y++)
- for (x = 0; x < CAVE_BUFFER_WIDTH; x++)
- lev.draw[x][y] = lev.cave[x][y];
+ /* add linked cave buffer columns for wrap-around movement */
+ for (x = 0; x < lev.left; x++)
+ {
+ lev.cavecol[x] = lev.cavecol[lev.width + x];
+ lev.nextcol[x] = lev.nextcol[lev.width + x];
+ lev.drawcol[x] = lev.drawcol[lev.width + x];
+ lev.boomcol[x] = lev.boomcol[lev.width + x];
+
+ lev.cavecol[lev.right + x] = lev.cavecol[lev.left + x];
+ lev.nextcol[lev.right + x] = lev.nextcol[lev.left + x];
+ lev.drawcol[lev.right + x] = lev.drawcol[lev.left + x];
+ lev.boomcol[lev.right + x] = lev.boomcol[lev.left + x];
+ }
+
+ for (x = 0; x < lev.width; x++)
+ for (y = 0; y < lev.height; y++)
+ lev.cave[lev.left + x][lev.top + y] = native_em_level.cave[x][y];
+
+ for (x = lev.left; x < lev.right; x++)
+ for (y = lev.top; y < lev.bottom; y++)
+ lev.next[x][y] = lev.draw[x][y] = lev.cave[x][y];