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PARALLACTION: implement BRA ferrcycle operator.

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The operator does a palette manipulation to simulate the movement
of trees and railroad in part 3.
This commit is contained in:
peres 2021-07-01 18:57:45 +09:00
parent f8f2f2b1ca
commit fde5042601
2 changed files with 35 additions and 1 deletions
engines/parallaction
callables_br.cppparallaction.h

35
engines/parallaction/callables_br.cpp

@ -38,8 +38,41 @@ void Parallaction_br::_c_resetpalette(void *) {
warning("Parallaction_br::_c_resetpalette() not yet implemented");
}
/*
Used in part 3 by location ULTIMAVAG to
simulate the movement of trees and railroad.
*/
void Parallaction_br::_c_ferrcycle(void *) {
warning("Parallaction_br::_c_ferrcycle() not yet implemented");
Palette pal = _gfx->_palette;
if (_ferrcycleMode == 1) {
for (int i = 0; i < 16; ++i) {
pal.setEntry(4 * i + 192, 0, 0, 0);
pal.setEntry(4 * i + 193, 30, 12, 12);
pal.setEntry(4 * i + 194, 28, 47, 54);
pal.setEntry(4 * i + 195, 63, 63, 63);
}
} else if (_ferrcycleMode == 2) {
for (int i = 0; i < 4; ++i) {
for (int j = 0; j < 4; ++j) {
pal.setEntry(j + 16 * i + 192, 0, 0, 0);
pal.setEntry(j + 16 * i + 196, 30, 12, 12);
pal.setEntry(j + 16 * i + 200, 28, 47, 54);
pal.setEntry(j + 16 * i + 204, 63, 63, 63);
}
}
} else if (_ferrcycleMode == 0) {
for (int i = 0; i < 16; ++i) {
pal.setEntry(i + 192, 0, 0, 0);
pal.setEntry(i + 208, 30, 12, 12);
pal.setEntry(i + 224, 28, 47, 54);
pal.setEntry(i + 240, 63, 63, 63);
}
}
_gfx->setPalette(pal);
_ferrcycleMode = (_ferrcycleMode + 1) % 3;
}
void Parallaction_br::_c_lipsinc(void *) {

1
engines/parallaction/parallaction.h

@ -578,6 +578,7 @@ private:
Common::String _followerName;
AnimationPtr _follower;
PathWalker_BR *_walker;
int _ferrcycleMode;
// dos callables
void _c_null(void *);