Added initial LBreakout2 sources, already slightly modified - it does not work yet!

2010-09-16 15:53:05 +03:00
parent ab7f63b305
commit 3e3025abcc
607 changed files with 192118 additions and 0 deletions
--- a/project/jni/application/lbreakout2/game/mathfuncs.h
+++ b/project/jni/application/lbreakout2/game/mathfuncs.h
@@ -0,0 +1,112 @@
+/***************************************************************************
+                          mathfuncs.h  -  description
+                             -------------------
+    begin                : Thu Sep 6 2001
+    copyright            : (C) 2001 by Michael Speck
+    email                : kulkanie@gmx.net
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   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.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#ifndef __MATH_H
+#define __MATH_H
+
+/* integer vector */
+typedef struct {
+    int x,y;
+} ICoord;
+
+typedef struct {
+    float x; /* position if vertical line */
+    int vertical; /* if this is set monotony is not computed */
+    float m; /* monotony */
+    float n; /* y_offset */
+} Line;
+
+/* integer line */
+typedef struct {
+    int x; /* position if vertical line */
+    int vertical; /* if this is set monotony is not computed */
+    int m_4096; /* monotony * 4096 */
+    int n; /* y_offset */
+} ILine;
+
+/*
+====================================================================
+Return vector struct with the specified coordinates.
+====================================================================
+*/
+Vector vector_get( float x, float y );
+/*
+====================================================================
+Give vector the normed length of 1.
+====================================================================
+*/
+void vector_norm( Vector *v );
+/*
+====================================================================
+Return monotony of vector. If vertical return 0
+====================================================================
+*/
+float vector_monotony( Vector v );
+/*
+====================================================================
+Set length of a vector.
+====================================================================
+*/
+void vector_set_length( Vector *v, float length );
+
+/*
+====================================================================
+Initiate a line struct.
+====================================================================
+*/
+void line_set( Line *line, float x, float y, float m );
+void line_set_vert( Line *line, float x );
+void line_set_hori( Line *line, float y );
+/*
+====================================================================
+Intersect lines and set 'pos' to intersecting point.
+Return Value: True if lines intersect.
+====================================================================
+*/
+int line_intersect( Line *line, Line *target, Coord *pos );
+
+/*
+====================================================================
+Initiate a line struct.
+====================================================================
+*/
+void iline_set( ILine *line, int x, int y, int m_4096 );
+void iline_set_vert( ILine *line, int x );
+void iline_set_hori( ILine *line, int y );
+/*
+====================================================================
+Intersect lines and set 'pos' to intersecting point.
+Return Value: True if lines intersect.
+====================================================================
+*/
+int iline_intersect( ILine *line, ILine *target, ICoord *pos );
+
+/*
+====================================================================
+Intersect line pos+t*v with circle (x+m)²=r²
+Important length of v MUST be 1.
+Return Value: True if intersecting, Intersecting points
+====================================================================
+*/
+int circle_intersect( Vector m, int r, Vector pos, Vector v, Vector *t1, Vector *t2 );
+
+/* convert vector to angle/2 0-180 and vice versa */
+void init_angles( void );
+int  vec2angle( Vector *vec );
+void angle2vec( int angle, Vector *vec );
+
+#endif