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added step-based engine snapshots to undo/redo game steps (continued)
[rocksndiamonds.git]
/
src
/
libgame
/
snapshot.c
diff --git
a/src/libgame/snapshot.c
b/src/libgame/snapshot.c
index f57cb5fa6dd757f8de167541aecaaf77006d54be..1262ee88b2abda4f66173503e70240c2d0f42674 100644
(file)
--- a/
src/libgame/snapshot.c
+++ b/
src/libgame/snapshot.c
@@
-133,11
+133,12
@@
boolean LoadSnapshotSingle()
return FALSE;
}
return FALSE;
}
-boolean LoadSnapshotFromList_Older()
+boolean LoadSnapshotFromList_Older(
int steps
)
{
if (snapshot_current->next)
{
{
if (snapshot_current->next)
{
- snapshot_current = snapshot_current->next;
+ while (snapshot_current->next && steps--)
+ snapshot_current = snapshot_current->next;
LoadSnapshotBuffers(snapshot_current->content);
LoadSnapshotBuffers(snapshot_current->content);
@@
-151,11
+152,12
@@
boolean LoadSnapshotFromList_Older()
return FALSE;
}
return FALSE;
}
-boolean LoadSnapshotFromList_Newer()
+boolean LoadSnapshotFromList_Newer(
int steps
)
{
if (snapshot_current->prev)
{
{
if (snapshot_current->prev)
{
- snapshot_current = snapshot_current->prev;
+ while (snapshot_current->prev && steps--)
+ snapshot_current = snapshot_current->prev;
LoadSnapshotBuffers(snapshot_current->content);
LoadSnapshotBuffers(snapshot_current->content);