thirdparty/scummvm
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MOHAWK: add tryDefaultPage/tryPageStart/prevPage helpers

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svn-id: r54687
This commit is contained in:
Alyssa Milburn 2010-11-30 21:05:45 +00:00
parent 9fddad6faf
commit 26b372cfd2
2 changed files with 65 additions and 24 deletions
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81
engines/mohawk/livingbooks.cpp
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@ -159,6 +159,10 @@ Common::Error MohawkEngine_LivingBooks::run() {
loadPage(kLBControlMode, 1, 0);
break;
case Common::KEYCODE_LEFT:
prevPage();
break;
case Common::KEYCODE_RIGHT:
nextPage();
break;
@ -624,21 +628,56 @@ void MohawkEngine_LivingBooks::addNotifyEvent(NotifyEvent event) {
_notifyEvents.push(event);
}
bool MohawkEngine_LivingBooks::tryLoadPageStart(LBMode mode, uint page) {
// try first subpage of the page
if (loadPage(mode, page, 1))
return true;
// then just the plain page
if (loadPage(mode, page, 0))
return true;
return false;
}
bool MohawkEngine_LivingBooks::tryDefaultPage() {
if (_curMode == kLBCreditsMode || _curMode == kLBPreviewMode) {
// go to options page
if (getFeatures() & GF_LB_10) {
if (loadPage(kLBControlMode, 2, 0))
return true;
} else {
if (loadPage(kLBControlMode, 3, 0))
return true;
}
} else {
// go to menu page
if (loadPage(kLBControlMode, 1, 0))
return true;
}
return false;
}
void MohawkEngine_LivingBooks::prevPage() {
if (_curPage > 1 && (tryLoadPageStart(_curMode, _curPage - 1)))
return;
if (tryDefaultPage())
return;
error("Could not find page before %d.%d for mode %d", _curPage, _curSubPage, (int)_curMode);
}
void MohawkEngine_LivingBooks::nextPage() {
// we try the next subpage first
if (loadPage(_curMode, _curPage, _curSubPage + 1))
return;
// then the first subpage of the next page
if (loadPage(_curMode, _curPage + 1, 1))
if (tryLoadPageStart(_curMode, _curPage + 1))
return;
// then just the next page
if (loadPage(_curMode, _curPage + 1, 0))
return;
// then we go back to the control page..
if (loadPage(kLBControlMode, 1, 0))
if (tryDefaultPage())
return;
error("Could not find page after %d.%d for mode %d", _curPage, _curSubPage, (int)_curMode);
@ -860,9 +899,8 @@ void MohawkEngine_LivingBooks::handleNotify(NotifyEvent &event) {
break;
case 202:
if (!loadPage(kLBPlayMode, _curSelectedPage, 0))
if (!loadPage(kLBPlayMode, _curSelectedPage, 1))
error("failed to load page %d", _curSelectedPage);
if (!tryLoadPageStart(kLBPlayMode, _curSelectedPage))
error("failed to load page %d", _curSelectedPage);
break;
}
break;
@ -877,29 +915,26 @@ void MohawkEngine_LivingBooks::handleNotify(NotifyEvent &event) {
break;
case kLBNotifyChangePage:
{
debug("kLBNotifyChangePage: %d", event.param);
switch (event.param) {
case 0xfffe:
debug(2, "kLBNotifyChangePage: next page");
nextPage();
return;
case 0xffff:
warning("ChangePage unimplemented");
// TODO: move backwards one page
debug(2, "kLBNotifyChangePage: previous page");
prevPage();
break;
default:
warning("ChangePage unimplemented");
// TODO: set page as specified
debug(2, "kLBNotifyChangePage: trying %d", event.param);
if (!tryLoadPageStart(_curMode, event.param)) {
if (!tryDefaultPage()) {
error("failed to load default page after change to page %d (mode %d) failed", event.param, _curMode);
}
}
break;
}
// TODO: on bad page:
// if mode < 3 (intro/controls) or mode > 4, move to 2/2 (controls/options?)
// else, move to 2/1 (kLBControlsMode, page 1)
}
break;
case kLBNotifyIntroDone: