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// MIT License
// Copyright (c) 2019 Erin Catto
// 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.
#ifndef TEST_H
#define TEST_H
#include "box2d/box2d.h"
#include "draw.h"
#include <stdlib.h>
struct Settings;
class Test;
#define RAND_LIMIT 32767
/// Random number in range [-1,1]
inline float RandomFloat()
{
float r = (float)(rand() & (RAND_LIMIT));
r /= RAND_LIMIT;
r = 2.0f * r - 1.0f;
return r;
}
/// Random floating point number in range [lo, hi]
inline float RandomFloat(float lo, float hi)
{
float r = (float)(rand() & (RAND_LIMIT));
r /= RAND_LIMIT;
r = (hi - lo) * r + lo;
return r;
}
// 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(b2Fixture* fixture) override { B2_NOT_USED(fixture); }
void SayGoodbye(b2Joint* joint) override;
Test* test;
};
const int32 k_maxContactPoints = 2048;
struct ContactPoint
{
b2Fixture* fixtureA;
b2Fixture* fixtureB;
b2Vec2 normal;
b2Vec2 position;
b2PointState state;
float normalImpulse;
float tangentImpulse;
float separation;
};
class Test : public b2ContactListener
{
public:
Test();
virtual ~Test();
void DrawTitle(const char* string);
virtual void Step(Settings& settings);
virtual void UpdateUI() {}
virtual void Keyboard(int key) { B2_NOT_USED(key); }
virtual void KeyboardUp(int key) { B2_NOT_USED(key); }
void ShiftMouseDown(const b2Vec2& p);
virtual void MouseDown(const b2Vec2& p);
virtual void MouseUp(const b2Vec2& p);
virtual void MouseMove(const b2Vec2& p);
void LaunchBomb();
void LaunchBomb(const b2Vec2& position, const b2Vec2& velocity);
void SpawnBomb(const b2Vec2& worldPt);
void CompleteBombSpawn(const b2Vec2& p);
// Let derived tests know that a joint was destroyed.
virtual void JointDestroyed(b2Joint* joint) { B2_NOT_USED(joint); }
// Callbacks for derived classes.
virtual void BeginContact(b2Contact* contact) override { B2_NOT_USED(contact); }
virtual void EndContact(b2Contact* contact) override { B2_NOT_USED(contact); }
virtual void PreSolve(b2Contact* contact, const b2Manifold* oldManifold) override;
virtual void PostSolve(b2Contact* contact, const b2ContactImpulse* impulse) override
{
B2_NOT_USED(contact);
B2_NOT_USED(impulse);
}
void ShiftOrigin(const b2Vec2& newOrigin);
protected:
friend class DestructionListener;
friend class BoundaryListener;
friend class ContactListener;
b2Body* m_groundBody;
b2AABB m_worldAABB;
ContactPoint m_points[k_maxContactPoints];
int32 m_pointCount;
DestructionListener m_destructionListener;
int32 m_textLine;
b2World* m_world;
b2Body* m_bomb;
b2MouseJoint* m_mouseJoint;
b2Vec2 m_bombSpawnPoint;
bool m_bombSpawning;
b2Vec2 m_mouseWorld;
int32 m_stepCount;
int32 m_textIncrement;
b2Profile m_maxProfile;
b2Profile m_totalProfile;
};
typedef Test* TestCreateFcn();
int RegisterTest(const char* category, const char* name, TestCreateFcn* fcn);
//
struct TestEntry
{
const char* category;
const char* name;
TestCreateFcn* createFcn;
};
#define MAX_TESTS 256
extern TestEntry g_testEntries[MAX_TESTS];
extern int g_testCount;
#endif
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