thirdparty/scummvm
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cleanup toSimpleDir: should be easier to understand this way, and hopefully fixes the valgrind warnings

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svn-id: r6755
This commit is contained in:
Max Horn 2003-03-07 21:56:38 +00:00
parent ade9c80333
commit 992b4f479f
1 changed files with 11 additions and 9 deletions
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20
scumm/scummvm.cpp
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@ -1447,16 +1447,18 @@ int oldDirToNewDir(int dir) {
// Convert an angle to a simple direction.
//
int toSimpleDir(int dirType, int dir) {
const int16 many_direction_tab[16] = {
71, 109, 251, 289, -1, -1, -1, -1,
22, 72, 107, 157, 202, 252, 287, 337
};
int num = dirType ? 8 : 4;
const int16 *dirtab = &many_direction_tab[dirType * 8];
for (int i = 1; i < num-1; i++, dirtab++) {
if (dir >= dirtab[0] && dir <= dirtab[1])
return i;
if (dirType) {
const int16 directions[] = { 22, 72, 107, 157, 202, 252, 287, 337 };
for (int i = 0; i < 7; i++)
if (dir >= directions[i] && dir <= directions[i+1])
return i;
} else {
const int16 directions[] = { 71, 109, 251, 289 };
for (int i = 0; i < 3; i++)
if (dir >= directions[i] && dir <= directions[i+1])
return i;
}
return 0;
}