diff options
Diffstat (limited to 'src/pipe.c')
| -rw-r--r-- | src/pipe.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/pipe.c b/src/pipe.c new file mode 100644 index 0000000..ff9656d --- /dev/null +++ b/src/pipe.c @@ -0,0 +1,84 @@ +#include "pipe.h" +#include "defines.h" + +inline void pipe_init(Pipe *pipe) { + set_sprite_tile(pipe->sprite_ids[PIPE_TILE_TOP_LEFT], + PIPE_TILE_START + CAP_LEFT); + set_sprite_prop(pipe->sprite_ids[PIPE_TILE_TOP_LEFT], S_FLIPY); + + set_sprite_tile(pipe->sprite_ids[PIPE_TILE_TOP_MIDDLE], + PIPE_TILE_START + CAP_MIDDLE); + set_sprite_prop(pipe->sprite_ids[PIPE_TILE_TOP_MIDDLE], S_FLIPY); + + set_sprite_tile(pipe->sprite_ids[PIPE_TILE_TOP_RIGHT], + PIPE_TILE_START + CAP_LEFT); + set_sprite_prop(pipe->sprite_ids[PIPE_TILE_TOP_RIGHT], S_FLIPX | S_FLIPY); + + set_sprite_tile(pipe->sprite_ids[PIPE_TILE_BOTTOM_LEFT], + PIPE_TILE_START + CAP_LEFT); + + set_sprite_tile(pipe->sprite_ids[PIPE_TILE_BOTTOM_MIDDLE], + PIPE_TILE_START + CAP_MIDDLE); + + set_sprite_tile(pipe->sprite_ids[PIPE_TILE_BOTTOM_RIGHT], + PIPE_TILE_START + CAP_LEFT); + set_sprite_prop(pipe->sprite_ids[PIPE_TILE_BOTTOM_RIGHT], S_FLIPX); + + for (UINT8 i = 6; i < 16; i++) { + set_sprite_tile(pipe->sprite_ids[i], PIPE_TILE_START + MAIN_LEFT); + } + for (UINT8 i = 16; i < 26; i++) { + set_sprite_tile(pipe->sprite_ids[i], PIPE_TILE_START + MAIN_MIDDLE); + } + for (UINT8 i = 26; i < 36; i++) { + set_sprite_tile(pipe->sprite_ids[i], PIPE_TILE_START + MAIN_LEFT); + set_sprite_prop(pipe->sprite_ids[i], S_FLIPX); + } +} + +inline void pipe_scroll_horizontal(Pipe *pipe, ScreenCoordinate x) { + pipe->x += x; + for (UINT8 i = 36; i != 0; i--) { + scroll_sprite(pipe->sprite_ids[i - 1], x, 0); + } +} + +inline void pipe_move_gap_height(Pipe *pipe, UINT8 gap_height) { + pipe->height_of_gap = gap_height; + for (UINT8 i = 0; i < gap_height; i++) { + move_sprite(pipe->sprite_ids[i + 4], pipe->x, i * TILE_SIZE); + move_sprite(pipe->sprite_ids[i + 14], pipe->x + TILE_SIZE, i * TILE_SIZE); + move_sprite(pipe->sprite_ids[i + 24], pipe->x + TILE_SIZE + TILE_SIZE, + i * TILE_SIZE); + } + move_sprite(pipe->sprite_ids[PIPE_TILE_TOP_LEFT], pipe->x, + gap_height * TILE_SIZE); + move_sprite(pipe->sprite_ids[PIPE_TILE_TOP_MIDDLE], pipe->x + TILE_SIZE, + gap_height * TILE_SIZE); + move_sprite(pipe->sprite_ids[PIPE_TILE_TOP_RIGHT], + pipe->x + TILE_SIZE + TILE_SIZE, gap_height * TILE_SIZE); + + move_sprite(pipe->sprite_ids[PIPE_TILE_BOTTOM_LEFT], pipe->x, + (gap_height + pipe->gap_skip) * TILE_SIZE); + move_sprite(pipe->sprite_ids[PIPE_TILE_BOTTOM_MIDDLE], pipe->x + TILE_SIZE, + (gap_height + pipe->gap_skip) * TILE_SIZE); + move_sprite(pipe->sprite_ids[PIPE_TILE_BOTTOM_RIGHT], + pipe->x + TILE_SIZE + TILE_SIZE, + (gap_height + pipe->gap_skip) * TILE_SIZE); + + for (UINT8 i = gap_height; i < (16 - pipe->gap_skip); i++) { + move_sprite(pipe->sprite_ids[i + 4], pipe->x, + (i + pipe->gap_skip + 1) * TILE_SIZE); + move_sprite(pipe->sprite_ids[i + 14], pipe->x + TILE_SIZE, + (i + pipe->gap_skip + 1) * TILE_SIZE); + move_sprite(pipe->sprite_ids[i + 24], pipe->x + TILE_SIZE + TILE_SIZE, + (i + pipe->gap_skip + 1) * TILE_SIZE); + } +} + +inline void pipe_hide(Pipe *pipe) { + pipe->x += 0; + for (UINT8 i = 36; i != 0; i--) { + move_sprite(pipe->sprite_ids[i - 1], 0, 0); + } +} |