File: rb_cpBB.c

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/* Copyright (c) 2007 Scott Lembcke
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#include <stdlib.h>
#include "chipmunk.h"

#include "ruby.h"
#include "rb_chipmunk.h"

VALUE c_cpBB;

static VALUE
rb_cpBBAlloc(VALUE klass)
{
	cpBB *bb = malloc(sizeof(cpBB));
	return Data_Wrap_Struct(klass, NULL, free, bb);
}

static VALUE
rb_cpBBInitialize(VALUE self, VALUE l, VALUE b, VALUE r, VALUE t)
{
	cpBB *bb = BBGET(self);
	bb->l = NUM2DBL(l);
	bb->b = NUM2DBL(b);
	bb->r = NUM2DBL(r);
	bb->t = NUM2DBL(t);
	
	return self;
}

static VALUE
rb_cpBBintersects(VALUE self, VALUE other)
{
	int value = cpBBintersects(*BBGET(self), *BBGET(other));
	return value ? Qtrue : Qfalse;
}

static VALUE
rb_cpBBClampVect(VALUE self, VALUE v)
{
	return VNEW(cpBBClampVect(*BBGET(self), *VGET(v)));
}

static VALUE
rb_cpBBWrapVect(VALUE self, VALUE v)
{
	return VNEW(cpBBWrapVect(*BBGET(self), *VGET(v)));
}

static VALUE
rb_cpBBGetL(VALUE self)
{
	return rb_float_new(BBGET(self)->l);
}

static VALUE
rb_cpBBGetB(VALUE self)
{
	return rb_float_new(BBGET(self)->b);
}

static VALUE
rb_cpBBGetR(VALUE self)
{
	return rb_float_new(BBGET(self)->r);
}

static VALUE
rb_cpBBGetT(VALUE self)
{
	return rb_float_new(BBGET(self)->t);
}

static VALUE
rb_cpBBSetL(VALUE self, VALUE val)
{
	BBGET(self)->l = NUM2DBL(val);
	return val;
}

static VALUE
rb_cpBBSetB(VALUE self, VALUE val)
{
	BBGET(self)->b = NUM2DBL(val);
	return val;
}

static VALUE
rb_cpBBSetR(VALUE self, VALUE val)
{
	BBGET(self)->r = NUM2DBL(val);
	return val;
}

static VALUE
rb_cpBBSetT(VALUE self, VALUE val)
{
	BBGET(self)->t = NUM2DBL(val);
	return val;
}

static VALUE
rb_cpBBToString(VALUE self)
{
	char str[256];
	cpBB *bb = BBGET(self);
	
	sprintf(str, "#<CP::BB:(% .3f, % .3f) -> (% .3f, % .3f)>", bb->l, bb->b, bb->r, bb->t);
	
	return rb_str_new2(str);
}

void
Init_cpBB(void)
{
	c_cpBB = rb_define_class_under(m_Chipmunk, "BB", rb_cObject);
	rb_define_alloc_func(c_cpBB, rb_cpBBAlloc);
	rb_define_method(c_cpBB, "initialize", rb_cpBBInitialize, 4);
	
	rb_define_method(c_cpBB, "l", rb_cpBBGetL, 0);
	rb_define_method(c_cpBB, "b", rb_cpBBGetB, 0);
	rb_define_method(c_cpBB, "r", rb_cpBBGetR, 0);
	rb_define_method(c_cpBB, "t", rb_cpBBGetT, 0);

	rb_define_method(c_cpBB, "l=", rb_cpBBSetL, 1);
	rb_define_method(c_cpBB, "b=", rb_cpBBSetB, 1);
	rb_define_method(c_cpBB, "r=", rb_cpBBSetR, 1);
	rb_define_method(c_cpBB, "t=", rb_cpBBSetT, 1);

	rb_define_method(c_cpBB, "intersect?", rb_cpBBintersects, 1);
	//containsBB
	//containsVect
	rb_define_method(c_cpBB, "clamp_vect", rb_cpBBClampVect, 1);
	rb_define_method(c_cpBB, "wrap_vect", rb_cpBBWrapVect, 1);
	
	rb_define_method(c_cpBB, "to_s", rb_cpBBToString, 0);
}