mirror of https://github.com/dnomd343/klotski.git
Dnomd343
2 years ago
4 changed files with 113 additions and 45 deletions
@ -1,11 +1,58 @@ |
|||
#include "raw_code.h" |
|||
#include "common.h" |
|||
|
|||
// TODO: for check function -> one 2x2 / >=2 space
|
|||
|
|||
/// NOTE: ensure that input raw code is valid !!!
|
|||
uint64_t RawCode::compact(uint64_t raw_code) { // raw code --> common code
|
|||
return 0; |
|||
// TODO: should we throw error here?
|
|||
int unfilled = 16; |
|||
uint64_t head = 0; // 2x2 block address
|
|||
uint32_t range = 0; |
|||
for (int addr = 0; raw_code; ++addr, raw_code >>= 3) { // traverse every address
|
|||
switch (raw_code & 0b111) { // low 3-bits
|
|||
case B_space: |
|||
range <<= 2; // space
|
|||
break; |
|||
case B_1x2: |
|||
(range <<= 2) |= 0b01; // 1x2 block
|
|||
break; |
|||
case B_2x1: |
|||
(range <<= 2) |= 0b10; // 2x1 block
|
|||
break; |
|||
case B_1x1: |
|||
(range <<= 2) |= 0b11; // 1x1 block
|
|||
break; |
|||
case B_2x2: |
|||
(head = addr) <<= 32; // 2x2 block
|
|||
default: |
|||
continue; // B_fill type
|
|||
} |
|||
--unfilled; // unfilled number
|
|||
} |
|||
return head | (range << (unfilled << 1)); // fill low bits as zero
|
|||
} |
|||
|
|||
/// NOTE: ensure that input common code is valid !!!
|
|||
uint64_t RawCode::extract(uint64_t common_code) { // common code --> raw code
|
|||
return 0; |
|||
auto code = C_2x2 << (common_code >> 32) * 3; // flag for 2x2 block
|
|||
auto range = Common::range_reverse((uint32_t)common_code); // reversed range
|
|||
for (int addr = 0; range; range >>= 2) { |
|||
while (0b111 & code >> addr) { // check low 3-bits -> next empty address
|
|||
addr += 3; // found available address
|
|||
} |
|||
switch (range & 0b11) { // match low 2-bits
|
|||
case 0b01: // 1x2 block
|
|||
code |= C_1x2 << addr; |
|||
break; |
|||
case 0b10: // 2x1 block
|
|||
code |= C_2x1 << addr; |
|||
break; |
|||
case 0b11: // 1x1 block
|
|||
code |= C_1x1 << addr; |
|||
break; |
|||
case 0b00: // space
|
|||
addr += 3; // next address
|
|||
} |
|||
} |
|||
return code; |
|||
} |
|||
|
Loading…
Reference in new issue