Mercurial > hg > terminal-chess / file comparison
comparison: src/chess/pawn.c
src/chess/pawn.c
- changeset 163
- 2a6d83f4677e
- parent 160
- f87832cba8b8
equal
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| 162:f0fc70b6f8f9 | 163:2a6d83f4677e |
|---|---|
| 28 */ | 28 */ |
| 29 | 29 |
| 30 #include "pawn.h" | 30 #include "pawn.h" |
| 31 #include "rules.h" | 31 #include "rules.h" |
| 32 | 32 |
| 33 bool pawn_chkrules(GameState *gamestate, Move *move) { | 33 bool pawn_chkrules(const GameState *gamestate, const Move *move) { |
| 34 int8_t d = piece_color(move->piece) == WHITE ? -1 : 1; | 34 int8_t d = piece_color(move->piece) == WHITE ? -1 : 1; |
| 35 | 35 |
| 36 if (move->torow == (d < 0 ? 7 : 0)) { | 36 if (move->torow == (d < 0 ? 7 : 0)) { |
| 37 if (move->promotion) { | 37 if (move->promotion) { |
| 38 unsigned ppiecetype = piece_type(move->promotion); | 38 unsigned ppiecetype = piece_type(move->promotion); |
| 67 return false; | 67 return false; |
| 68 } | 68 } |
| 69 } | 69 } |
| 70 } | 70 } |
| 71 | 71 |
| 72 bool pawn_isblocked(GameState *gamestate, Move *move) { | 72 bool pawn_isblocked(const GameState *gamestate, const Move *move) { |
| 73 if (move->torow == move->fromrow + 1 || move->torow == move->fromrow - 1) { | 73 if (move->torow == move->fromrow + 1 || move->torow == move->fromrow - 1) { |
| 74 return piece_at(gamestate, mdst(move)) && !move->capture; | 74 return piece_at(gamestate, mdst(move)) && !move->capture; |
| 75 } else { | 75 } else { |
| 76 return piece_at(gamestate, mdst(move)) || | 76 return piece_at(gamestate, mdst(move)) || |
| 77 gamestate->board[(move->fromrow+move->torow)/2][move->tofile]; | 77 gamestate->board[(move->fromrow+move->torow)/2][move->tofile]; |
