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| author | jacksonmj <mj-pt@jacksonmj.co.uk> | 2012-01-25 17:20:14 (GMT) |
|---|---|---|
| committer | Simon Robertshaw <simon@hardwired.org.uk> | 2012-01-26 14:15:56 (GMT) |
| commit | eaf2af6d405f715c60ab28b8725d44b4e4a68539 (patch) | |
| tree | 3ba164612f894828a5bb1765084bcab6eedd96bf | |
| parent | ed2132b7d8aa707eec346eb91ef2f5d067538550 (diff) | |
| download | powder-eaf2af6d405f715c60ab28b8725d44b4e4a68539.zip powder-eaf2af6d405f715c60ab28b8725d44b4e4a68539.tar.gz | |
Another change to the eval_move check in create_part
Creating a particle where there was a wall but no existing particle was
broken, since eval_move returns 1 for moving into empty space.
| -rw-r--r-- | src/powder.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/powder.c b/src/powder.c index 00b558a..ac710f6 100644 --- a/src/powder.c +++ b/src/powder.c @@ -798,7 +798,11 @@ inline int create_part(int p, int x, int y, int tv)//the function for creating a return -1; if (p==-1)//creating from anything but brush { - if ((pmap[y][x] || bmap[y/CELL][x/CELL]) && eval_move(t, x, y, NULL)!=2) + // If there is a particle, only allow creation if the new particle can occupy the same space as the existing particle + // If there isn't a particle but there is a wall, check whether the new particle is allowed to be in it + // (not "!=2" for wall check because eval_move returns 1 for moving into empty space) + // If there's no particle and no wall, assume creation is allowed + if (pmap[y][x] ? (eval_move(t, x, y, NULL)!=2) : (bmap[y/CELL][x/CELL] && eval_move(t, x, y, NULL)==0)) { if ((pmap[y][x]&0xFF)!=PT_SPAWN&&(pmap[y][x]&0xFF)!=PT_SPAWN2) { |