mirror of https://github.com/nmlgc/ReC98.git
88 lines
2.3 KiB
C++
88 lines
2.3 KiB
C++
#include "th03/main/playfld.hpp"
|
|
#include "th03/hardware/vram.hpp"
|
|
|
|
// Relative offset inside the SPRITE16 sprite area, with 0 corresponding to
|
|
// SPRITE16_OFFSET.
|
|
typedef uvram_byte_amount_t sprite16_offset_t;
|
|
|
|
extern struct {
|
|
vram_h_t h;
|
|
VRAMWord w;
|
|
|
|
void set(pixel_t w_, pixel_t h_) {
|
|
w = w_;
|
|
h = (h_ / 2);
|
|
}
|
|
} sprite16_put_size;
|
|
extern struct {
|
|
screen_x_t left;
|
|
screen_x_t right;
|
|
|
|
void reset(void) {
|
|
left = PLAYFIELD1_CLIP_LEFT;
|
|
right = PLAYFIELD2_CLIP_RIGHT;
|
|
}
|
|
|
|
// Additional variants for static constants
|
|
void set_for_pid_0(void) {
|
|
left = PLAYFIELD1_CLIP_LEFT;
|
|
right = PLAYFIELD1_CLIP_RIGHT;
|
|
}
|
|
|
|
void set_for_pid_1(void) {
|
|
left = PLAYFIELD2_CLIP_LEFT;
|
|
right = PLAYFIELD2_CLIP_RIGHT;
|
|
}
|
|
} sprite16_clip;
|
|
|
|
#define sprite16_clip_set_for_pid(pid) { \
|
|
if(pid == 0) { \
|
|
sprite16_clip.set_for_pid_0(); \
|
|
} else { \
|
|
sprite16_clip.set_for_pid_1(); \
|
|
} \
|
|
}
|
|
|
|
enum sprite16_put_func_t {
|
|
SPF_NORMAL = 0,
|
|
// Repeatedly draws the sprite to form a gapless column, starting from the
|
|
// top Y coordinate given to sprite16_putx() down to the bottom of VRAM.
|
|
SPF_DOWNWARDS_COLUMN = 24,
|
|
|
|
_sprite16_put_func_t_FORCE_UINT16 = 0xFFFF
|
|
};
|
|
|
|
extern "C" {
|
|
|
|
// Copies the entire sprite area in VRAM from page [dst_page ^ 1] to
|
|
// [dst_page]. Returns true if successful, false if the temporary memory
|
|
// couldn't be allocated.
|
|
bool16 pascal sprite16_sprites_copy_page(int dst_page);
|
|
|
|
// Initializes SPRITE16 for double-buffered blitting of the sprites that have
|
|
// been blitted to the sprite area on VRAM page 0.
|
|
void pascal sprite16_sprites_commit(void);
|
|
|
|
// Draws the sprite with the given offset in the SPRITE16 sprite area at the
|
|
// given (left, top) position in screen (not VRAM) coordinates. The left and
|
|
// right parts of the sprite are clipped in 16-pixel increments to stay within
|
|
// the left and right clipping points, so make sure to hide at least 16 more
|
|
// pixels right of `sprite16_clip_left` and left of `sprite16_clip_right` on
|
|
// purpose.
|
|
void pascal sprite16_put(screen_x_t left, screen_y_t top, sprite16_offset_t so);
|
|
|
|
// Like sprite16_put(), but using an optional drawing function.
|
|
void pascal sprite16_putx(
|
|
screen_x_t left,
|
|
screen_y_t top,
|
|
sprite16_offset_t so,
|
|
sprite16_put_func_t func
|
|
);
|
|
|
|
// Like sprite16_put(), but ignores the clipping points.
|
|
void pascal sprite16_put_noclip(
|
|
screen_x_t left, screen_y_t top, sprite16_offset_t so
|
|
);
|
|
|
|
}
|