7 files changed, 454 insertions, 0 deletions
diff --git a/engines/wintermute/math/math_util.cpp b/engines/wintermute/math/math_util.cpp
new file mode 100644
index 0000000000..31af77538a
--- /dev/null
+++ b/engines/wintermute/math/math_util.cpp
@@ -0,0 +1,52 @@
+/* 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.
+ *
+ */
+
+/*
+ * This file is based on WME Lite.
+ * http://dead-code.org/redir.php?target=wmelite
+ * Copyright (c) 2011 Jan Nedoma
+ */
+
+#include "engines/wintermute/math/math_util.h"
+#include <math.h>
+
+namespace Wintermute {
+
+//////////////////////////////////////////////////////////////////////////
+float MathUtil::round(float val) {
+	float result = floor(val);
+	if (val - result >= 0.5f) {
+		result += 1.0;
+	}
+	return result;
+}
+
+//////////////////////////////////////////////////////////////////////////
+float MathUtil::roundUp(float val) {
+	float result = floor(val);
+	if (val - result > 0) {
+		result += 1.0;
+	}
+	return result;
+}
+
+} // end of namespace Wintermute
diff --git a/engines/wintermute/math/math_util.h b/engines/wintermute/math/math_util.h
new file mode 100644
index 0000000000..38b6d9abf9
--- /dev/null
+++ b/engines/wintermute/math/math_util.h
@@ -0,0 +1,42 @@
+/* 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.
+ *
+ */
+
+/*
+ * This file is based on WME Lite.
+ * http://dead-code.org/redir.php?target=wmelite
+ * Copyright (c) 2011 Jan Nedoma
+ */
+
+#ifndef WINTERMUTE_MATHUTIL_H
+#define WINTERMUTE_MATHUTIL_H
+
+namespace Wintermute {
+
+class MathUtil {
+public:
+	static float round(float val);
+	static float roundUp(float val);
+};
+
+} // end of namespace Wintermute
+
+#endif
diff --git a/engines/wintermute/math/matrix4.cpp b/engines/wintermute/math/matrix4.cpp
new file mode 100644
index 0000000000..ca1eae8813
--- /dev/null
+++ b/engines/wintermute/math/matrix4.cpp
@@ -0,0 +1,86 @@
+/* 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.
+ *
+ */
+
+/*
+ * This file is based on WME Lite.
+ * http://dead-code.org/redir.php?target=wmelite
+ * Copyright (c) 2011 Jan Nedoma
+ */
+
+#include "engines/wintermute/math/matrix4.h"
+#include "engines/wintermute/math/vector2.h"
+#include <math.h>
+
+namespace Wintermute {
+
+//////////////////////////////////////////////////////////////////////////
+Matrix4::Matrix4() {
+	for (int i = 0; i < 4; i++) {
+		for (int j = 0; j < 4; j++) {
+			m[i][j] = 0.0f;
+		}
+	}
+}
+
+//////////////////////////////////////////////////////////////////////////
+Matrix4::~Matrix4() {
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+void Matrix4::identity() {
+	for (int i = 0; i < 4; i++) {
+		for (int j = 0; j < 4; j++) {
+			m[i][j] = 0.0f;
+		}
+	}
+	m[0][0] = 1.0f;
+	m[1][1] = 1.0f;
+	m[2][2] = 1.0f;
+	m[3][3] = 1.0f;
+
+}
+
+//////////////////////////////////////////////////////////////////////////
+void Matrix4::rotationZ(float angle) {
+	identity();
+
+	m[0][0] = cos(angle);
+	m[1][1] = cos(angle);
+	m[0][1] = sin(angle);
+	m[1][0] = -sin(angle);
+}
+
+//////////////////////////////////////////////////////////////////////////
+void Matrix4::transformVector2(Vector2 &vec) {
+	float norm;
+
+	norm = m[0][3] * vec.x + m[1][3] * vec.y + m[3][3];
+
+	float x = (m[0][0] * vec.x + m[1][0] * vec.y + m[3][0]) / norm;
+	float y = (m[0][1] * vec.x + m[1][1] * vec.y + m[3][1]) / norm;
+
+	vec.x = x;
+	vec.y = y;
+}
+
+} // end of namespace Wintermute
diff --git a/engines/wintermute/math/matrix4.h b/engines/wintermute/math/matrix4.h
new file mode 100644
index 0000000000..273633f723
--- /dev/null
+++ b/engines/wintermute/math/matrix4.h
@@ -0,0 +1,50 @@
+/* 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.
+ *
+ */
+
+/*
+ * This file is based on WME Lite.
+ * http://dead-code.org/redir.php?target=wmelite
+ * Copyright (c) 2011 Jan Nedoma
+ */
+
+#ifndef WINTERMUTE_MATRIX4_H
+#define WINTERMUTE_MATRIX4_H
+
+namespace Wintermute {
+
+class Vector2;
+
+class Matrix4 {
+public:
+	Matrix4();
+	~Matrix4();
+
+	void identity();
+	void rotationZ(float angle);
+	void transformVector2(Vector2 &vec);
+
+	float m[4][4];
+};
+
+} // end of namespace Wintermute
+
+#endif
diff --git a/engines/wintermute/math/rect32.h b/engines/wintermute/math/rect32.h
new file mode 100644
index 0000000000..190c1135cf
--- /dev/null
+++ b/engines/wintermute/math/rect32.h
@@ -0,0 +1,94 @@
+/* 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 WINTERMUTE_RECT32_H
+#define WINTERMUTE_RECT32_H
+
+#include "common/system.h"
+
+namespace Wintermute {
+
+struct Point32 {
+	int32 x;
+	int32 y;
+};
+
+struct Rect32 {
+	int32 top, left;        ///< The point at the top left of the rectangle (part of the rect).
+	int32 bottom, right;    ///< The point at the bottom right of the rectangle (not part of the rect).
+
+	Rect32() : top(0), left(0), bottom(0), right(0) {}
+	Rect32(int32 w, int32 h) : top(0), left(0), bottom(h), right(w) {}
+	Rect32(int32 x1, int32 y1, int32 x2, int32 y2) : top(y1), left(x1), bottom(y2), right(x2) {
+		assert(isValidRect());
+	}
+	bool operator==(const Rect32 &rhs) const {
+		return equals(rhs);
+	}
+	bool operator!=(const Rect32 &rhs) const {
+		return !equals(rhs);
+	}
+
+	int32 width() const {
+		return right - left;
+	}
+	int32 height() const {
+		return bottom - top;
+	}
+
+	void setWidth(int32 aWidth) {
+		right = left + aWidth;
+	}
+
+	void setHeight(int32 aHeight) {
+		bottom = top + aHeight;
+	}
+
+	void setEmpty() {
+		left = right = top = bottom = 0;
+	}
+
+	void offsetRect(int dx, int dy) {
+		left   += dx;
+		top    += dy;
+		right  += dx;
+		bottom += dy;
+	}
+	/**
+	 * Check if the given rect is equal to this one.
+	 *
+	 * @param r The rectangle to check
+	 *
+	 * @return true if the given rect is equal, false otherwise
+	 */
+	bool equals(const Rect32 &r) const {
+		return (left == r.left) && (right == r.right) && (top == r.top) && (bottom == r.bottom);
+	}
+
+	bool isValidRect() const {
+		return (left <= right && top <= bottom);
+	}
+};
+
+} // end of namespace Wintermute
+
+#endif
diff --git a/engines/wintermute/math/vector2.cpp b/engines/wintermute/math/vector2.cpp
new file mode 100644
index 0000000000..74c5586d62
--- /dev/null
+++ b/engines/wintermute/math/vector2.cpp
@@ -0,0 +1,55 @@
+/* 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.
+ *
+ */
+
+/*
+ * This file is based on WME Lite.
+ * http://dead-code.org/redir.php?target=wmelite
+ * Copyright (c) 2011 Jan Nedoma
+ */
+
+#include "engines/wintermute/math/vector2.h"
+#include <math.h>
+
+namespace Wintermute {
+
+//////////////////////////////////////////////////////////////////////////
+Vector2::Vector2() {
+	x = y = 0.0f;
+}
+
+//////////////////////////////////////////////////////////////////////////
+Vector2::Vector2(float xVal, float yVal) {
+	this->x = xVal;
+	this->y = yVal;
+}
+
+//////////////////////////////////////////////////////////////////////////
+Vector2::~Vector2() {
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+float Vector2::length() const {
+	return (float)sqrt(x * x + y * y);
+}
+
+} // end of namespace Wintermute
diff --git a/engines/wintermute/math/vector2.h b/engines/wintermute/math/vector2.h
new file mode 100644
index 0000000000..31f31daaa0
--- /dev/null
+++ b/engines/wintermute/math/vector2.h
@@ -0,0 +1,75 @@
+/* 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.
+ *
+ */
+
+/*
+ * This file is based on WME Lite.
+ * http://dead-code.org/redir.php?target=wmelite
+ * Copyright (c) 2011 Jan Nedoma
+ */
+
+#ifndef WINTERMUTE_VECTOR2_H
+#define WINTERMUTE_VECTOR2_H
+
+namespace Wintermute {
+
+class Vector2 {
+public:
+	Vector2();
+	Vector2(float x, float y);
+	~Vector2();
+
+	float length() const;
+
+	inline Vector2 &operator= (const Vector2 &other) {
+		x = other.x;
+		y = other.y;
+
+		return *this;
+	}
+
+	inline Vector2 operator+ (const Vector2 &other) const {
+		return Vector2(x + other.x, y + other.y);
+	}
+
+	inline Vector2 operator- (const Vector2 &other) const {
+		return Vector2(x - other.x, y - other.y);
+	}
+
+	inline Vector2 operator* (const float scalar) const {
+		return Vector2(x * scalar, y * scalar);
+	}
+
+	inline Vector2 &operator+= (const Vector2 &other) {
+		x += other.x;
+		y += other.y;
+
+		return *this;
+	}
+
+
+	float x;
+	float y;
+};
+
+} // end of namespace Wintermute
+
+#endif