You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
245 lines
9.7 KiB
245 lines
9.7 KiB
#include "gbuffer.h"
|
|
#include "mark.h"
|
|
#include "sim.h"
|
|
|
|
//////// Utilities
|
|
|
|
static Glyph const indexed_glyphs[] = {
|
|
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd',
|
|
'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r',
|
|
's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '.', '*', ':', ';', '#',
|
|
};
|
|
|
|
enum { Glyphs_array_num = sizeof indexed_glyphs };
|
|
|
|
static inline Glyph glyph_lowered(Glyph c) {
|
|
return (c >= 'A' && c <= 'Z') ? (char)(c - ('a' - 'A')) : c;
|
|
}
|
|
|
|
// Always returns 0 through (sizeof indexed_glyphs) - 1, and works on
|
|
// capitalized glyphs as well. The index of the lower-cased glyph is returned
|
|
// if the glyph is capitalized.
|
|
static inline Usz semantic_index_of_glyph(Glyph c) {
|
|
Glyph c0 = glyph_lowered(c);
|
|
for (Usz i = 0; i < Glyphs_array_num; ++i) {
|
|
if (indexed_glyphs[i] == c0)
|
|
return i;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static inline Glyph glyphs_sum(Glyph a, Glyph b) {
|
|
Usz ia = semantic_index_of_glyph(a);
|
|
Usz ib = semantic_index_of_glyph(b);
|
|
return indexed_glyphs[(ia + ib) % Glyphs_array_num];
|
|
}
|
|
|
|
static inline Glyph glyphs_mod(Glyph a, Glyph b) {
|
|
Usz ia = semantic_index_of_glyph(a);
|
|
Usz ib = semantic_index_of_glyph(b);
|
|
return indexed_glyphs[ib == 0 ? 0 : (ia % ib)];
|
|
}
|
|
|
|
static inline bool oper_has_neighboring_bang(Gbuffer gbuf, Usz h, Usz w, Usz y,
|
|
Usz x) {
|
|
return gbuffer_peek_relative(gbuf, h, w, y, x, 0, 1) == '*' ||
|
|
gbuffer_peek_relative(gbuf, h, w, y, x, 0, -1) == '*' ||
|
|
gbuffer_peek_relative(gbuf, h, w, y, x, 1, 0) == '*' ||
|
|
gbuffer_peek_relative(gbuf, h, w, y, x, -1, 0) == '*';
|
|
}
|
|
|
|
static inline void oper_move_relative_or_explode(Gbuffer gbuf, Mbuffer mbuf,
|
|
Usz height, Usz width,
|
|
Glyph moved, Usz y, Usz x,
|
|
Isz delta_y, Isz delta_x) {
|
|
Isz y0 = (Isz)y + delta_y;
|
|
Isz x0 = (Isz)x + delta_x;
|
|
if (y0 >= (Isz)height || x0 >= (Isz)width || y0 < 0 || x0 < 0) {
|
|
gbuf[y * width + x] = '*';
|
|
return;
|
|
}
|
|
Glyph* at_dest = gbuf + (Usz)y0 * width + (Usz)x0;
|
|
if (*at_dest != '.') {
|
|
gbuf[y * width + x] = '*';
|
|
mbuffer_poke_flags_or(mbuf, height, width, y, x, Mark_flag_sleep);
|
|
return;
|
|
}
|
|
*at_dest = moved;
|
|
mbuffer_poke_flags_or(mbuf, height, width, (Usz)y0, (Usz)x0, Mark_flag_sleep);
|
|
gbuf[y * width + x] = '.';
|
|
}
|
|
|
|
static inline void oper_lock_relative(Mbuffer mbuf, Usz height, Usz width,
|
|
Usz y, Usz x, Isz delta_y, Isz delta_x) {
|
|
mbuffer_poke_relative_flags_or(mbuf, height, width, y, x, delta_y, delta_x,
|
|
Mark_flag_lock);
|
|
}
|
|
|
|
#define ORCA_EXPAND_OPER_CHARS(_oper_name, _oper_char) \
|
|
Orca_oper_char_##_oper_name = _oper_char,
|
|
#define ORCA_DEFINE_OPER_CHARS(_defs) \
|
|
enum Orca_oper_chars { _defs(ORCA_EXPAND_OPER_CHARS) };
|
|
#define ORCA_DECLARE_OPERATORS(_defs) ORCA_DEFINE_OPER_CHARS(_defs)
|
|
|
|
#define OPER_PHASE_N(_phase_number, _oper_name) \
|
|
static inline void oper_phase##_phase_number##_##_oper_name( \
|
|
Gbuffer gbuffer, Mbuffer mbuffer, Usz height, Usz width, Usz y, Usz x) { \
|
|
(void)gbuffer; \
|
|
(void)mbuffer; \
|
|
(void)height; \
|
|
(void)width; \
|
|
(void)y; \
|
|
(void)x; \
|
|
enum { This_oper_char = Orca_oper_char_##_oper_name };
|
|
|
|
#define OPER_PHASE_0(_oper_name) OPER_PHASE_N(0, _oper_name)
|
|
#define OPER_PHASE_1(_oper_name) OPER_PHASE_N(1, _oper_name)
|
|
#define OPER_PHASE_2(_oper_name) OPER_PHASE_N(2, _oper_name)
|
|
#define OPER_END }
|
|
|
|
#define OPER_POKE_ABSOLUTE(_y, _x, _glyph) \
|
|
gbuffer_poke(gbuffer, height, width, _y, _x, _glyph)
|
|
#define OPER_PEEK_RELATIVE(_delta_y, _delta_x) \
|
|
gbuffer_peek_relative(gbuffer, height, width, y, x, _delta_y, _delta_x)
|
|
#define OPER_POKE_RELATIVE(_delta_y, _delta_x, _glyph) \
|
|
gbuffer_poke_relative(gbuffer, height, width, y, x, _delta_x, _delta_y, \
|
|
_glyph)
|
|
#define OPER_POKE_SELF(_glyph) OPER_POKE_ABSOLUTE(y, x, _glyph)
|
|
|
|
#define OPER_REQUIRE_BANG() \
|
|
if (!oper_has_neighboring_bang(gbuffer, height, width, y, x)) \
|
|
return
|
|
|
|
#define OPER_LOCK_RELATIVE(_delta_y, _delta_x) \
|
|
oper_lock_relative(mbuffer, height, width, y, x, _delta_y, _delta_x)
|
|
|
|
#define OPER_MOVE_OR_EXPLODE(_delta_y, _delta_x) \
|
|
oper_move_relative_or_explode(gbuffer, mbuffer, height, width, \
|
|
This_oper_char, y, x, _delta_y, _delta_x)
|
|
|
|
#define OPER_DEFINE_UPPERCASE_DIRECTIONAL(_oper_name, _delta_y, _delta_x) \
|
|
OPER_PHASE_0(_oper_name) \
|
|
OPER_END \
|
|
OPER_PHASE_1(_oper_name) \
|
|
OPER_MOVE_OR_EXPLODE(_delta_y, _delta_x); \
|
|
OPER_END \
|
|
OPER_PHASE_2(_oper_name) \
|
|
OPER_END
|
|
|
|
#define OPER_DEFINE_LOWERCASE_DIRECTIONAL(_oper_name, _delta_y, _delta_x) \
|
|
OPER_PHASE_0(_oper_name) \
|
|
OPER_END \
|
|
OPER_PHASE_1(_oper_name) \
|
|
OPER_REQUIRE_BANG(); \
|
|
OPER_MOVE_OR_EXPLODE(_delta_y, _delta_x); \
|
|
OPER_END \
|
|
OPER_PHASE_2(_oper_name) \
|
|
OPER_END
|
|
|
|
//////// Operators
|
|
|
|
#define ORCA_OPERATORS(_) \
|
|
_(bang, '*') \
|
|
_(add, 'a') \
|
|
_(North, 'N') \
|
|
_(East, 'E') \
|
|
_(South, 'S') \
|
|
_(West, 'W') \
|
|
_(north, 'n') \
|
|
_(east, 'e') \
|
|
_(south, 's') \
|
|
_(west, 'w') \
|
|
_(modulo, 'm') \
|
|
_(Increment, 'I')
|
|
|
|
ORCA_DECLARE_OPERATORS(ORCA_OPERATORS)
|
|
|
|
//////// Behavior
|
|
|
|
OPER_DEFINE_UPPERCASE_DIRECTIONAL(North, -1, 0)
|
|
OPER_DEFINE_UPPERCASE_DIRECTIONAL(East, 0, 1)
|
|
OPER_DEFINE_UPPERCASE_DIRECTIONAL(South, 1, 0)
|
|
OPER_DEFINE_UPPERCASE_DIRECTIONAL(West, 0, -1)
|
|
OPER_DEFINE_LOWERCASE_DIRECTIONAL(north, -1, 0)
|
|
OPER_DEFINE_LOWERCASE_DIRECTIONAL(east, 0, 1)
|
|
OPER_DEFINE_LOWERCASE_DIRECTIONAL(south, 1, 0)
|
|
OPER_DEFINE_LOWERCASE_DIRECTIONAL(west, 0, -1)
|
|
|
|
OPER_PHASE_0(add)
|
|
OPER_END
|
|
OPER_PHASE_1(add)
|
|
OPER_END
|
|
OPER_PHASE_2(add)
|
|
Glyph inp0 = OPER_PEEK_RELATIVE(0, 1);
|
|
Glyph inp1 = OPER_PEEK_RELATIVE(0, 2);
|
|
if (inp0 != '.' && inp1 != '.') {
|
|
Glyph g = glyphs_sum(inp0, inp1);
|
|
OPER_POKE_RELATIVE(1, 0, g);
|
|
}
|
|
OPER_END
|
|
|
|
OPER_PHASE_0(modulo)
|
|
OPER_END
|
|
OPER_PHASE_1(modulo)
|
|
OPER_END
|
|
OPER_PHASE_2(modulo)
|
|
Glyph inp0 = OPER_PEEK_RELATIVE(0, 1);
|
|
Glyph inp1 = OPER_PEEK_RELATIVE(0, 2);
|
|
if (inp0 != '.' && inp1 != '.') {
|
|
Glyph g = glyphs_mod(inp0, inp1);
|
|
OPER_POKE_RELATIVE(1, 0, g);
|
|
}
|
|
OPER_END
|
|
|
|
OPER_PHASE_0(Increment)
|
|
OPER_END
|
|
OPER_PHASE_1(Increment)
|
|
OPER_END
|
|
OPER_PHASE_2(Increment)
|
|
OPER_END
|
|
|
|
OPER_PHASE_0(bang)
|
|
OPER_END
|
|
OPER_PHASE_1(bang)
|
|
OPER_POKE_SELF('.');
|
|
OPER_END
|
|
OPER_PHASE_2(bang)
|
|
OPER_END
|
|
|
|
void orca_run(Gbuffer gbuf, Mbuffer mbuf, Usz height, Usz width) {
|
|
mbuffer_clear(mbuf, height, width);
|
|
// Phase 0
|
|
for (Usz iy = 0; iy < height; ++iy) {
|
|
Glyph* glyph_row = gbuf + iy * width;
|
|
for (Usz ix = 0; ix < width; ++ix) {
|
|
Glyph c = glyph_row[ix];
|
|
if (mbuffer_peek(mbuf, height, width, iy, ix) & Mark_flag_sleep)
|
|
continue;
|
|
switch (c) {
|
|
#define X(_oper_name, _oper_char) \
|
|
case _oper_char: \
|
|
oper_phase0_##_oper_name(gbuf, mbuf, height, width, iy, ix); \
|
|
break;
|
|
ORCA_OPERATORS(X)
|
|
#undef X
|
|
}
|
|
}
|
|
}
|
|
// Phase 1
|
|
for (Usz iy = 0; iy < height; ++iy) {
|
|
Glyph* glyph_row = gbuf + iy * width;
|
|
for (Usz ix = 0; ix < width; ++ix) {
|
|
if (mbuffer_peek(mbuf, height, width, iy, ix) & Mark_flag_sleep)
|
|
continue;
|
|
Glyph c = glyph_row[ix];
|
|
switch (c) {
|
|
#define X(_oper_name, _oper_char) \
|
|
case _oper_char: \
|
|
oper_phase1_##_oper_name(gbuf, mbuf, height, width, iy, ix); \
|
|
break;
|
|
ORCA_OPERATORS(X)
|
|
#undef X
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|