From 19958a35c00e59d9d4f2471ffadcd36f7758b914 Mon Sep 17 00:00:00 2001 From: PikalaxALT Date: Sat, 13 Jul 2019 09:15:20 -0400 Subject: Port cable_car_util from Ruby --- src/cable_car_util.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 src/cable_car_util.c (limited to 'src') diff --git a/src/cable_car_util.c b/src/cable_car_util.c new file mode 100644 index 000000000..7bad79079 --- /dev/null +++ b/src/cable_car_util.c @@ -0,0 +1,38 @@ +#include "global.h" + +void CableCarUtil_FillWrapped(void *dest, u16 value, u8 left, u8 top, u8 width, u8 height) +{ + u8 i; + u8 j; + u8 x; + u8 y; + + for (i = 0, y = top; i < height; i++) + { + for (x = left, j = 0; j < width; j++) + { + *(u16 *)&((u8 *)dest)[y * 64 + x * 2] = value; + x = (x + 1) % 32; + } + y = (y + 1) % 32; + } +} + +void CableCarUtil_CopyWrapped(void *dest, const u16 *src, u8 left, u8 top, u8 width, u8 height) +{ + u8 i; + u8 j; + u8 x; + u8 y; + const u16 *_src; + + for (i = 0, _src = src, y = top; i < height; i++) + { + for (x = left, j = 0; j < width; j++) + { + *(u16 *)&((u8 *)dest)[y * 64 + x * 2] = *_src++; + x = (x + 1) % 32; + } + y = (y + 1) % 32; + } +} -- cgit v1.2.3