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Distinguish MOVE_UNUSED from MOVE_NO_EFFECT in Pegs

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Slightly more complicated than usual, because Pegs has irregularly
shaped grids so detecting whether a click is inside requires more than
just a range check.

Also fixed a typo in a nearby comment.
This commit is contained in:
Ben Harris
2023-06-23 16:14:38 +01:00
parent 6db5cdadd0
commit 1d56527014
1 changed files with 20 additions and 13 deletions
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33
pegs.c
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@ -887,16 +887,23 @@ static char *interpret_move(const game_state *state, game_ui *ui,
tx = FROMCOORD(x);
ty = FROMCOORD(y);
if (tx >= 0 && tx < w && ty >= 0 && ty < h &&
state->grid[ty*w+tx] == GRID_PEG) {
ui->dragging = true;
ui->sx = tx;
ui->sy = ty;
ui->dx = x;
ui->dy = y;
ui->cur_visible = false;
ui->cur_jumping = false;
return MOVE_UI_UPDATE;
if (tx >= 0 && tx < w && ty >= 0 && ty < h) {
switch (state->grid[ty*w+tx]) {
case GRID_PEG:
ui->dragging = true;
ui->sx = tx;
ui->sy = ty;
ui->dx = x;
ui->dy = y;
ui->cur_visible = false;
ui->cur_jumping = false;
return MOVE_UI_UPDATE;
case GRID_HOLE:
return MOVE_NO_EFFECT;
case GRID_OBST:
default:
return MOVE_UNUSED;
}
}
} else if (button == LEFT_DRAG && ui->dragging) {
/*
@ -982,14 +989,14 @@ static char *interpret_move(const game_state *state, game_ui *ui,
return MOVE_UI_UPDATE;
}
if (state->grid[ui->cur_y*w+ui->cur_x] == GRID_PEG) {
/* cursor is on peg: next arrow-move wil jump. */
/* cursor is on peg: next arrow-move will jump. */
ui->cur_jumping = true;
return MOVE_UI_UPDATE;
}
return NULL;
return MOVE_NO_EFFECT;
}
return NULL;
return MOVE_UNUSED;
}
static game_state *execute_move(const game_state *state, const char *move)