Initial commit

engines/ags/engine/gui/animating_gui_button.cpp

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "ags/engine/gui/animating_gui_button.h"
+#include "ags/shared/gui/gui_defines.h"
+#include "ags/shared/util/stream.h"
+
+namespace AGS3 {
+
+using namespace AGS::Shared;
+
+void AnimatingGUIButton::ReadFromSavegame(Stream *in, int cmp_ver) {
+	buttonid = in->ReadInt16();
+	ongui = in->ReadInt16();
+	onguibut = in->ReadInt16();
+	view = in->ReadInt16();
+	loop = in->ReadInt16();
+	frame = in->ReadInt16();
+	speed = in->ReadInt16();
+	uint16_t anim_flags = in->ReadInt16(); // was repeat (0,1)
+	wait = in->ReadInt16();
+
+	if (cmp_ver < kGuiSvgVersion_36020) anim_flags &= 0x1; // restrict to repeat only
+	repeat = (anim_flags & 0x1) ? ANIM_REPEAT : ANIM_ONCE;
+	blocking = (anim_flags >> 1) & 0x1;
+	direction = (anim_flags >> 2) & 0x1;
+
+	if (cmp_ver >= kGuiSvgVersion_36025) {
+		volume = in->ReadInt8();
+		in->ReadInt8(); // reserved to fill int32
+		in->ReadInt8();
+		in->ReadInt8();
+	}
+}
+
+void AnimatingGUIButton::WriteToSavegame(Stream *out) {
+	uint16_t anim_flags =
+		(repeat & 0x1) | // either ANIM_ONCE or ANIM_REPEAT
+		(blocking & 0x1) << 1 |
+		(direction & 0x1) << 2;
+
+	out->WriteInt16(buttonid);
+	out->WriteInt16(ongui);
+	out->WriteInt16(onguibut);
+	out->WriteInt16(view);
+	out->WriteInt16(loop);
+	out->WriteInt16(frame);
+	out->WriteInt16(speed);
+	out->WriteInt16(anim_flags); // was repeat (0,1)
+	out->WriteInt16(wait);
+	out->WriteInt8(static_cast<uint8_t>(volume));
+	out->WriteInt8(0); // reserved to fill int32
+	out->WriteInt8(0);
+	out->WriteInt8(0);
+}
+
+} // namespace AGS3