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COMPOSER: Move Button code around.

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This commit is contained in:
Alyssa Milburn 2011-07-18 21:58:59 +02:00
parent 7af0c51f59
commit b80129dd44
1 changed files with 85 additions and 85 deletions
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170
engines/composer/composer.cpp
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@ -47,91 +47,6 @@
namespace Composer {
Button::Button(Common::SeekableReadStream *stream, uint16 id) {
_id = id;
_type = stream->readUint16LE();
_active = (_type & 0x8000) ? true : false;
_type &= 0xfff;
debug(9, "button: type %d, active %d", _type, _active);
_zorder = stream->readUint16LE();
_scriptId = stream->readUint16LE();
_scriptIdRollOn = stream->readUint16LE();
_scriptIdRollOff = stream->readUint16LE();
stream->skip(4);
uint16 size = stream->readUint16LE();
switch (_type) {
case kButtonRect:
case kButtonEllipse:
if (size != 4)
error("button %d of type %d had %d points, not 4", id, _type, size);
_rect.left = stream->readSint16LE();
_rect.top = stream->readSint16LE();
_rect.right = stream->readSint16LE();
_rect.bottom = stream->readSint16LE();
debug(9, "button: (%d, %d, %d, %d)", _rect.left, _rect.top, _rect.right, _rect.bottom);
break;
case kButtonSprites:
for (uint i = 0; i < size; i++) {
_spriteIds.push_back(stream->readSint16LE());
}
break;
default:
error("unknown button type %d", _type);
}
delete stream;
}
bool Button::contains(const Common::Point &pos) const {
switch (_type) {
case kButtonRect:
return _rect.contains(pos);
case kButtonEllipse:
if (!_rect.contains(pos))
return false;
{
int16 a = _rect.width() / 2;
int16 b = _rect.height() / 2;
if (!a || !b)
return false;
Common::Point adjustedPos = pos - Common::Point(_rect.left + a, _rect.top + b);
return ((adjustedPos.x*adjustedPos.x)/(a*a) + (adjustedPos.y*adjustedPos.y)/(b*b) < 1);
}
case kButtonSprites:
return false;
default:
error("internal error (button type %d)", _type);
}
}
const Button *ComposerEngine::getButtonFor(const Sprite *sprite, const Common::Point &pos) {
for (Common::List<Button>::iterator i = _buttons.reverse_begin(); i != _buttons.end(); --i) {
if (!i->_active)
continue;
if (i->_spriteIds.empty()) {
if (i->contains(pos))
return &(*i);
continue;
}
if (!sprite)
continue;
for (uint j = 0; j < i->_spriteIds.size(); j++) {
if (i->_spriteIds[j] == sprite->_id)
return &(*i);
}
}
return NULL;
}
ComposerEngine::ComposerEngine(OSystem *syst, const ComposerGameDescription *gameDesc) : Engine(syst), _gameDescription(gameDesc) {
_rnd = new Common::RandomSource("composer");
_audioStream = NULL;
@ -488,4 +403,89 @@ Common::SeekableReadStream *ComposerEngine::getResource(uint32 tag, uint16 id) {
error("No loaded library contains '%s' %04x", tag2str(tag), id);
}
Button::Button(Common::SeekableReadStream *stream, uint16 id) {
_id = id;
_type = stream->readUint16LE();
_active = (_type & 0x8000) ? true : false;
_type &= 0xfff;
debug(9, "button: type %d, active %d", _type, _active);
_zorder = stream->readUint16LE();
_scriptId = stream->readUint16LE();
_scriptIdRollOn = stream->readUint16LE();
_scriptIdRollOff = stream->readUint16LE();
stream->skip(4);
uint16 size = stream->readUint16LE();
switch (_type) {
case kButtonRect:
case kButtonEllipse:
if (size != 4)
error("button %d of type %d had %d points, not 4", id, _type, size);
_rect.left = stream->readSint16LE();
_rect.top = stream->readSint16LE();
_rect.right = stream->readSint16LE();
_rect.bottom = stream->readSint16LE();
debug(9, "button: (%d, %d, %d, %d)", _rect.left, _rect.top, _rect.right, _rect.bottom);
break;
case kButtonSprites:
for (uint i = 0; i < size; i++) {
_spriteIds.push_back(stream->readSint16LE());
}
break;
default:
error("unknown button type %d", _type);
}
delete stream;
}
bool Button::contains(const Common::Point &pos) const {
switch (_type) {
case kButtonRect:
return _rect.contains(pos);
case kButtonEllipse:
if (!_rect.contains(pos))
return false;
{
int16 a = _rect.width() / 2;
int16 b = _rect.height() / 2;
if (!a || !b)
return false;
Common::Point adjustedPos = pos - Common::Point(_rect.left + a, _rect.top + b);
return ((adjustedPos.x*adjustedPos.x)/(a*a) + (adjustedPos.y*adjustedPos.y)/(b*b) < 1);
}
case kButtonSprites:
return false;
default:
error("internal error (button type %d)", _type);
}
}
const Button *ComposerEngine::getButtonFor(const Sprite *sprite, const Common::Point &pos) {
for (Common::List<Button>::iterator i = _buttons.reverse_begin(); i != _buttons.end(); --i) {
if (!i->_active)
continue;
if (i->_spriteIds.empty()) {
if (i->contains(pos))
return &(*i);
continue;
}
if (!sprite)
continue;
for (uint j = 0; j < i->_spriteIds.size(); j++) {
if (i->_spriteIds[j] == sprite->_id)
return &(*i);
}
}
return NULL;
}
} // End of namespace Composer