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SDL-agnostic way to get SDL_Rect member types

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SDL 1.2 they are Sint16, SDL 2.0 they are int.
This commit is contained in:
Bill Kendrick 2022-05-19 01:25:05 -07:00
parent 166b6aa233
commit 868edf4ccd
2 changed files with 12 additions and 11 deletions
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12
magic/src/rails.c
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@ -54,7 +54,8 @@ void rails_shutdown(magic_api * api);
void rails_switchin(magic_api * api, int which, int mode, SDL_Surface * canvas);
void rails_switchout(magic_api * api, int which, int mode, SDL_Surface * canvas);
inline unsigned int rails_get_segment(int x, int y);
inline void rails_extract_coords_from_segment(unsigned int segment, Sint16 * x, Sint16 * y);
#define POINT_TYPE typeof(((SDL_Rect *)NULL)->x)
inline void rails_extract_coords_from_segment(unsigned int segment, POINT_TYPE * x, POINT_TYPE * y);
static void rails_flip(void *ptr, SDL_Surface * dest, SDL_Surface * src);
static void rails_flip_flop(void *ptr, SDL_Surface * dest, SDL_Surface * src);
static void rails_rotate(void *ptr, SDL_Surface * dest, SDL_Surface * src, unsigned int direction);
@ -224,7 +225,7 @@ inline unsigned int rails_get_segment(int x, int y)
}
inline void rails_extract_coords_from_segment(unsigned int segment, Sint16 * x, Sint16 * y)
inline void rails_extract_coords_from_segment(unsigned int segment, POINT_TYPE * x, POINT_TYPE * y)
{ //extracts the coords of the beginning and the segment
*x = ((segment % rails_segments_x) - 1) * img_w; //useful to set update_rect as small as possible
*y = (int)(segment / rails_segments_x) * img_h;
@ -233,8 +234,7 @@ inline void rails_extract_coords_from_segment(unsigned int segment, Sint16 * x,
static void rails_flip(void *ptr, SDL_Surface * dest, SDL_Surface * src)
{
magic_api *api = (magic_api *) ptr;
Sint16 x, y;
POINT_TYPE x, y;
for (x = 0; x < dest->w; x++)
for (y = 0; y < dest->h; y++)
@ -244,7 +244,7 @@ static void rails_flip(void *ptr, SDL_Surface * dest, SDL_Surface * src)
static void rails_flip_flop(void *ptr, SDL_Surface * dest, SDL_Surface * src)
{
magic_api *api = (magic_api *) ptr;
Sint16 x, y;
POINT_TYPE x, y;
for (x = 0; x < dest->w; x++)
for (y = 0; y < dest->h; y++)
@ -255,7 +255,7 @@ static void rails_rotate(void *ptr, SDL_Surface * dest, SDL_Surface * src, unsig
//src and dest must have same size
{
magic_api *api = (magic_api *) ptr;
Sint16 x, y;
POINT_TYPE x, y;
if (direction) //rotate -90 degs
{