MUTATIONOFJB: Animate objects.

8 files changed, 155 insertions, 6 deletions

diff --git a/engines/mutationofjb/game.cpp b/engines/mutationofjb/game.cpp
index 0cb6f53fe1..652336fff2 100644
--- a/engines/mutationofjb/game.cpp
+++ b/engines/mutationofjb/game.cpp
@@ -21,16 +21,19 @@
  */
 
 #include "mutationofjb/game.h"
-#include "mutationofjb/gamedata.h"
+
+#include "mutationofjb/commands/command.h"
 #include "mutationofjb/encryptedfile.h"
+#include "mutationofjb/gamedata.h"
 #include "mutationofjb/mutationofjb.h"
 #include "mutationofjb/room.h"
 #include "mutationofjb/script.h"
+#include "mutationofjb/tasks/objectanimationtask.h"
 #include "mutationofjb/util.h"
-#include "mutationofjb/commands/command.h"
-#include "common/util.h"
+
 #include "common/str.h"
 #include "common/translation.h"
+#include "common/util.h"
 
 namespace MutationOfJB {
 
@@ -57,6 +60,8 @@ Game::Game(MutationOfJBEngine *vm)
 	_room = new Room(this, _vm->getScreen());
 
 	_gui.init();
+
+	_taskManager.addTask(new ObjectAnimationTask);
 }
 
 Common::RandomSource &Game::getRandomSource() {
diff --git a/engines/mutationofjb/module.mk b/engines/mutationofjb/module.mk
index 2ac4fabbdb..1913fc62cd 100644
--- a/engines/mutationofjb/module.mk
+++ b/engines/mutationofjb/module.mk
@@ -23,6 +23,7 @@ MODULE_OBJS := \
 	commands/talkcommand.o \
 	commands/randomcommand.o \
 	tasks/conversationtask.o \
+	tasks/objectanimationtask.o \
 	tasks/saytask.o \
 	tasks/taskmanager.o \
 	widgets/buttonwidget.o \
diff --git a/engines/mutationofjb/tasks/objectanimationtask.cpp b/engines/mutationofjb/tasks/objectanimationtask.cpp
new file mode 100644
index 0000000000..75c15bf624
--- /dev/null
+++ b/engines/mutationofjb/tasks/objectanimationtask.cpp
@@ -0,0 +1,91 @@
+/* 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 2
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "mutationofjb/tasks/objectanimationtask.h"
+
+#include "mutationofjb/tasks/taskmanager.h"
+#include "mutationofjb/game.h"
+#include "mutationofjb/gamedata.h"
+#include "mutationofjb/room.h"
+
+namespace MutationOfJB {
+
+static const int TICK_MILLIS = 100;
+
+ObjectAnimationTask::ObjectAnimationTask() : _timer(TICK_MILLIS) {
+}
+
+void ObjectAnimationTask::start() {
+	setState(RUNNING);
+	_timer.start();
+}
+
+void ObjectAnimationTask::update() {
+	_timer.update();
+	if (_timer.isFinished()) {
+		_timer.start();
+		updateObjects();
+	}
+}
+
+void ObjectAnimationTask::updateObjects() {
+	Scene *const scene = getTaskManager()->getGame().getGameData().getCurrentScene();
+	if (!scene) {
+		return;
+	}
+
+	for (uint8 i = 1; i <= scene->getNoObjects(); ++i) {
+		Object *const object = scene->getObject(i);
+		// Skip if object animation not active.
+		if (!object->_AC)
+			continue;
+
+		// Number of framers must be higher than 1.
+		if (object->_NA <= 1)
+			continue;
+
+		const uint8 currentAnimOffset = object->_CA - object->_FA;
+
+		const bool randomized = object->_FR != 0;
+		const bool belowRandomFrame = currentAnimOffset < (object->_FR - 1);
+
+		uint8 maxAnimOffset = object->_NA - 1;
+		if (randomized && belowRandomFrame) {
+			maxAnimOffset = object->_FR - 2;
+		}
+
+		uint8 nextAnimationOffset = currentAnimOffset + 1;
+		if (currentAnimOffset == maxAnimOffset) {
+			if (randomized && object->_unknown != 0 && getTaskManager()->getGame().getRandomSource().getRandomNumber(object->_unknown) == 0)
+				nextAnimationOffset = object->_FR - 1;
+			else
+				nextAnimationOffset = 0;
+		}
+
+		// TODO: Hardcoded animations.
+
+		object->_CA = nextAnimationOffset + object->_FA;
+		getTaskManager()->getGame().getRoom().drawObjectAnimation(i, nextAnimationOffset);
+	}
+}
+
+}
diff --git a/engines/mutationofjb/tasks/objectanimationtask.h b/engines/mutationofjb/tasks/objectanimationtask.h
new file mode 100644
index 0000000000..39f80a3a51
--- /dev/null
+++ b/engines/mutationofjb/tasks/objectanimationtask.h
@@ -0,0 +1,47 @@
+/* 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 2
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef MUTATIONOFJB_OBJECTANIMATIONTASK_H
+#define MUTATIONOFJB_OBJECTANIMATIONTASK_H
+
+#include "mutationofjb/tasks/task.h"
+
+#include "mutationofjb/timer.h"
+
+namespace MutationOfJB {
+
+class ObjectAnimationTask : public Task {
+public:
+	ObjectAnimationTask();
+
+	virtual void start() override;
+	virtual void update() override;
+
+	void updateObjects();
+
+private:
+	Timer _timer;
+};
+
+}
+
+#endif
diff --git a/engines/mutationofjb/tasks/saytask.cpp b/engines/mutationofjb/tasks/saytask.cpp
index fcef6c3211..c9c2a95ad8 100644
--- a/engines/mutationofjb/tasks/saytask.cpp
+++ b/engines/mutationofjb/tasks/saytask.cpp
@@ -45,7 +45,7 @@ void SayTask::start() {
 void SayTask::update() {
 	_timer.update();
 
-	if (_timer.isFnished()) {
+	if (_timer.isFinished()) {
 		getTaskManager()->getGame().getRoom().redraw(); // TODO: Only redraw the area occupied by the text.
 		setState(FINISHED);
 		return;
diff --git a/engines/mutationofjb/tasks/saytask.h b/engines/mutationofjb/tasks/saytask.h
index ef66f5beb4..17e773defc 100644
--- a/engines/mutationofjb/tasks/saytask.h
+++ b/engines/mutationofjb/tasks/saytask.h
@@ -20,6 +20,9 @@
  *
  */
 
+#ifndef MUTATIONOFJB_SAYTASK_H
+#define MUTATIONOFJB_SAYTASK_H
+
 #include "mutationofjb/tasks/task.h"
 
 #include "mutationofjb/timer.h"
@@ -46,3 +49,5 @@ private:
 };
 
 }
+
+#endif
diff --git a/engines/mutationofjb/timer.cpp b/engines/mutationofjb/timer.cpp
index 8375445c08..d5a306aaff 100644
--- a/engines/mutationofjb/timer.cpp
+++ b/engines/mutationofjb/timer.cpp
@@ -34,7 +34,7 @@ void Timer::start() {
 	_state = RUNNING;
 }
 
-bool Timer::isFnished() const {
+bool Timer::isFinished() const {
 	return _state == FINISHED;
 }
 
diff --git a/engines/mutationofjb/timer.h b/engines/mutationofjb/timer.h
index b12fe2278c..313823af89 100644
--- a/engines/mutationofjb/timer.h
+++ b/engines/mutationofjb/timer.h
@@ -30,7 +30,7 @@ public:
 
 	void start();
 
-	bool isFnished() const;
+	bool isFinished() const;
 	bool isRunning() const;
 
 	void update();