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/*
* Copyright (c) 2006-2007 Erin Catto http://www.gphysics.com
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
*/
#ifndef TEST_H
#define TEST_H
#include "Box2D.h"
#include "Render.h"
class Test;
struct Settings;
typedef Test* TestCreateFcn();
struct Settings
{
Settings() :
hz(60.0f),
iterationCount(10),
drawStats(0),
drawShapes(1),
drawJoints(1),
drawCoreShapes(0),
drawAABBs(0),
drawOBBs(0),
drawPairs(0),
drawContactPoints(0),
drawContactNormals(0),
drawContactForces(0),
drawFrictionForces(0),
drawCOMs(0),
enableWarmStarting(1),
enablePositionCorrection(1),
enableTOI(1),
pause(0),
singleStep(0)
{}
float32 hz;
int32 iterationCount;
int32 drawShapes;
int32 drawJoints;
int32 drawCoreShapes;
int32 drawAABBs;
int32 drawOBBs;
int32 drawPairs;
int32 drawContactPoints;
int32 drawContactNormals;
int32 drawContactForces;
int32 drawFrictionForces;
int32 drawCOMs;
int32 drawStats;
int32 enableWarmStarting;
int32 enablePositionCorrection;
int32 enableTOI;
int32 pause;
int32 singleStep;
};
struct TestEntry
{
const char *name;
TestCreateFcn *createFcn;
};
extern TestEntry g_testEntries[];
// This is called when a joint in the world is implicitly destroyed
// because an attached body is destroyed. This gives us a chance to
// nullify the mouse joint.
class DestructionListener : public b2DestructionListener
{
public:
void SayGoodbye(b2Shape* shape) { B2_NOT_USED(shape); }
void SayGoodbye(b2Joint* joint);
Test* test;
};
class BoundaryListener : public b2BoundaryListener
{
public:
void Violation(b2Body* body);
Test* test;
};
const int32 k_maxContactPoints = 2048;
class ContactListener : public b2ContactListener
{
public:
void Add(const b2ContactPoint* point);
void Persist(const b2ContactPoint* point);
void Remove(const b2ContactPoint* point);
Test* test;
};
enum ContactState
{
e_contactAdded,
e_contactPersisted,
e_contactRemoved,
};
struct ContactPoint
{
b2Shape* shape1;
b2Shape* shape2;
b2Vec2 normal;
b2Vec2 position;
b2Vec2 velocity;
b2ContactID id;
ContactState state;
};
class Test
{
public:
Test();
virtual ~Test();
void SetTextLine(int32 line) { m_textLine = line; }
virtual void Step(Settings* settings);
virtual void Keyboard(unsigned char key) { B2_NOT_USED(key); }
void MouseDown(const b2Vec2& p);
void MouseUp();
void MouseMove(const b2Vec2& p);
void LaunchBomb();
// Let derived tests know that a joint was destroyed.
virtual void JointDestroyed(b2Joint* joint) { B2_NOT_USED(joint); }
virtual void BoundaryViolated(b2Body* body) { B2_NOT_USED(body); }
protected:
friend class DestructionListener;
friend class BoundaryListener;
friend class ContactListener;
b2AABB m_worldAABB;
ContactPoint m_points[k_maxContactPoints];
int32 m_pointCount;
DestructionListener m_destructionListener;
BoundaryListener m_boundaryListener;
ContactListener m_contactListener;
DebugDraw m_debugDraw;
int32 m_textLine;
b2World* m_world;
b2Body* m_bomb;
b2MouseJoint* m_mouseJoint;
};
#endif
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