Initial commit

engines/ags/engine/ac/room_object.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/ac/room_object.h"
+#include "ags/shared/ac/common.h"
+#include "ags/shared/ac/common_defines.h"
+#include "ags/shared/ac/game_setup_struct.h"
+#include "ags/engine/ac/game_state.h"
+#include "ags/engine/ac/object.h"
+#include "ags/engine/ac/room_status.h"
+#include "ags/engine/ac/runtime_defines.h"
+#include "ags/engine/ac/view_frame.h"
+#include "ags/engine/debugging/debug_log.h"
+#include "ags/engine/main/update.h"
+#include "ags/shared/util/math.h"
+#include "ags/shared/util/stream.h"
+#include "ags/shared/util/string_utils.h"
+
+namespace AGS3 {
+
+using namespace AGS::Shared;
+
+RoomObject::RoomObject() {
+	x = y = 0;
+	transparent = 0;
+	tint_r = tint_g = 0;
+	tint_b = tint_level = 0;
+	tint_light = 0;
+	zoom = 0;
+	last_width = last_height = 0;
+	num = 0;
+	baseline = 0;
+	view = loop = frame = 0;
+	wait = moving = 0;
+	cycling = 0;
+	overall_speed = 0;
+	on = 0;
+	flags = 0;
+	blocking_width = blocking_height = 0;
+}
+
+int RoomObject::get_width() const {
+	if (last_width == 0)
+		return _GP(game).SpriteInfos[num].Width;
+	return last_width;
+}
+int RoomObject::get_height() const {
+	if (last_height == 0)
+		return _GP(game).SpriteInfos[num].Height;
+	return last_height;
+}
+int RoomObject::get_baseline() const {
+	if (baseline < 1)
+		return y;
+	return baseline;
+}
+
+void RoomObject::UpdateCyclingView(int ref_id) {
+	if (on != 1) return;
+	if (moving > 0) {
+		do_movelist_move(moving, x, y);
+	}
+	if (cycling == 0) return;
+	if (view == RoomObject::NoView) return;
+	if (wait > 0) {
+		wait--; return;
+	}
+
+	if (!CycleViewAnim(view, loop, frame, get_anim_forwards(), get_anim_repeat()))
+		cycling = 0; // finished animating
+
+	ViewFrame *vfptr = &_GP(views)[view].loops[loop].frames[frame];
+	if (vfptr->pic > UINT16_MAX)
+		debug_script_warn("Warning: object's (id %d) sprite %d is outside of internal range (%d), reset to 0",
+			ref_id, vfptr->pic, UINT16_MAX);
+	num = Math::InRangeOrDef<uint16_t>(vfptr->pic, 0);
+
+	if (cycling == 0)
+		return;
+
+	wait = vfptr->speed + overall_speed;
+	CheckViewFrame();
+}
+
+// Calculate wanted frame sound volume based on multiple factors
+int RoomObject::GetFrameSoundVolume() const {
+	// NOTE: room objects don't have "scale volume" flag at the moment
+	return AGS3::CalcFrameSoundVolume(anim_volume, cur_anim_volume);
+}
+
+void RoomObject::CheckViewFrame() {
+	AGS3::CheckViewFrame(view, loop, frame, GetFrameSoundVolume());
+}
+
+void RoomObject::ReadFromSavegame(Stream *in, int save_ver) {
+	const bool do_align_pad = save_ver < 0;
+	x = in->ReadInt32();
+	y = in->ReadInt32();
+	transparent = in->ReadInt32();
+	tint_r = in->ReadInt16();
+	tint_g = in->ReadInt16();
+	tint_b = in->ReadInt16();
+	tint_level = in->ReadInt16();
+	tint_light = in->ReadInt16();
+	zoom = in->ReadInt16();
+	last_width = in->ReadInt16();
+	last_height = in->ReadInt16();
+	num = in->ReadInt16();
+	baseline = in->ReadInt16();
+	view = in->ReadInt16();
+	loop = in->ReadInt16();
+	frame = in->ReadInt16();
+	wait = in->ReadInt16();
+	moving = in->ReadInt16();
+	cycling = in->ReadInt8();
+	overall_speed = in->ReadInt8();
+	on = in->ReadInt8();
+	flags = in->ReadInt8();
+	blocking_width = in->ReadInt16();
+	blocking_height = in->ReadInt16();
+	if (do_align_pad)
+		in->ReadInt16(); // int16 padding to int32 (max)
+
+	if (save_ver >= kRoomStatSvgVersion_36016) {
+		name = StrUtil::ReadString(in);
+	}
+	if (save_ver >= kRoomStatSvgVersion_36025) {
+		// anim vols order inverted compared to character, by mistake :(
+		cur_anim_volume = static_cast<uint8_t>(in->ReadInt8());
+		anim_volume = static_cast<uint8_t>(in->ReadInt8());
+		in->ReadInt8(); // reserved to fill int32
+		in->ReadInt8();
+
+	}
+}
+
+void RoomObject::WriteToSavegame(Stream *out) const {
+	out->WriteInt32(x);
+	out->WriteInt32(y);
+	out->WriteInt32(transparent);
+	out->WriteInt16(tint_r);
+	out->WriteInt16(tint_g);
+	out->WriteInt16(tint_b);
+	out->WriteInt16(tint_level);
+	out->WriteInt16(tint_light);
+	out->WriteInt16(zoom);
+	out->WriteInt16(last_width);
+	out->WriteInt16(last_height);
+	out->WriteInt16(num);
+	out->WriteInt16(baseline);
+	out->WriteInt16(view);
+	out->WriteInt16(loop);
+	out->WriteInt16(frame);
+	out->WriteInt16(wait);
+	out->WriteInt16(moving);
+	out->WriteInt8(cycling);
+	out->WriteInt8(overall_speed);
+	out->WriteInt8(on);
+	out->WriteInt8(flags);
+	out->WriteInt16(blocking_width);
+	out->WriteInt16(blocking_height);
+	StrUtil::WriteString(name, out);
+	out->WriteInt8(static_cast<uint8_t>(cur_anim_volume));
+	out->WriteInt8(static_cast<uint8_t>(anim_volume));
+	out->WriteInt8(0); // reserved to fill int32
+	out->WriteInt8(0);
+}
+
+} // namespace AGS3