lol/test/PhysicObject.h

//
// Orbital
//
// Copyright: (c) 2009-2012 Cédric Lecacheur <jordx@free.fr>
//            (c) 2009-2012 Benjamin Huet <huet.benjamin@gmail.com>
//            (c) 2012 Sam Hocevar <sam@hocevar.net>
//

/* FIXME: this file is pure crap; it's only a test. */

#if !defined __PHYSICOBJECT_H__
#define __PHYSICOBJECT_H__

#include "core.h"
#include "easymesh/easymesh.h"
#include "Physics/Include/EasyPhysics.h"
#include "Physics/Include/EasyCharacterController.h"
#include "Physics/Include/EasyConstraint.h"

using namespace lol;
using namespace lol::phys;

class PhysicsObject : public WorldEntity
{
public:
    PhysicsObject(Simulation* new_sim, const vec3 &base_location, const quat &base_rotation)
        : m_ready(false), m_should_render(true), m_is_character(false)
    {
        m_physics = new EasyPhysic(this);

        m_mesh.Compile("[sc#ddd afcb60 1 60 -.1]");
        vec3 BoxSize = vec3(60.f, 1.f, 60.f);
        m_physics->SetCollisionChannel(0, 0xFF);
        m_physics->SetShapeToBox(BoxSize);
        m_physics->SetMass(.0f);
        m_physics->SetTransform(base_location, base_rotation);
        m_physics->InitBodyToRigid(true);
        m_physics->AddToSimulation(new_sim);
    }

    PhysicsObject(Simulation* new_sim, const vec3 &base_location, const quat &base_rotation, int dummy)
        : m_ready(false), m_should_render(true), m_is_character(false)
    {
        if (dummy == 1) //for platform purpose
        {
            m_physics = new EasyPhysic(this);

            m_mesh.Compile("[sc#ddd afcb20 1 20 -.1]");
            vec3 BoxSize = vec3(20.f, 1.f, 20.f);
            m_physics->SetCollisionChannel(0, 0xFF);
            m_physics->SetShapeToBox(BoxSize);
            m_physics->SetMass(.0f);
            m_physics->SetTransform(base_location, base_rotation);
            m_physics->InitBodyToRigid(true);
            m_physics->AddToSimulation(new_sim);
        }
        else if (dummy == 2) //for character purpose
        {
            m_character = new EasyCharacterController(this);
            m_is_character = true;
            //m_mesh.Compile("[sc#f00 afcb10 10 10 -.1]");
            m_mesh.Compile(
                "[sc#000 scb#000"
                //"[sc#aaa scb#aaa"
                "[ad8 2 0 rx180 ty-1]"
                "[asph8 .5 .5 .5 ty1]"
                "[ac32 2 .5 .5 0 0]"
                "[asph6 .1 .1 .1 ty.9 tx.5 tz.15]"
                "[asph6 .1 .1 .1 ty.9 tx.5 tz-.15]"
                "[asph8 .05 .5 .05 ty.6 tz.5]"
                "[asph8 .05 .5 .05 ty.6 tz-.5]"
                "]"
                "[sc#fd0 scb#fd0"
                "[ac8 .4 .1 0 0 0 ty.25 rz-90 ty.7 tx.5]"
                "]"
                "["
                "[sc#fff scb#fff"
                "[ad8 2 0 rx180 ty-1]"
                "[asph8 .5 .5 .5 ty1]"
                "[ac32 1.9 .5 .5 0 0]"
                "]"
                " ty-.1 tx.05]"
                );
            vec3 BoxSize = vec3(1.f, 2.f, 1.f);
            m_character->SetCollisionChannel(0, 0xFF);
            m_character->SetShapeToCapsule(BoxSize.x, BoxSize.y);
            m_character->SetMass(.0f);
            //m_character->SetStepHeight(1.f);
            m_character->SetTransform(base_location, base_rotation);
            m_character->InitBodyToGhost();
            m_character->AddToSimulation(new_sim);
        }
        else if (dummy == 3) //for Stairs purpose
        {
            m_physics = new EasyPhysic(this);

            m_mesh.Compile("[sc#aae afcb4 .25 4 -.01]");
            vec3 BoxSize = vec3(4.f, .25f, 4.f);
            m_physics->SetCollisionChannel(0, 0xFF);
            m_physics->SetShapeToBox(BoxSize);
            m_physics->SetMass(.0f);
            m_physics->SetTransform(base_location, base_rotation);
            m_physics->InitBodyToRigid(true);
            m_physics->AddToSimulation(new_sim);
        }
    }

    PhysicsObject(Simulation* new_sim, float base_mass, const vec3 &base_location, int RandValue = -1)
        : m_ready(false), m_should_render(true), m_is_character(false)
    {
        Array<char const *> MeshRand;

        //MeshRand << "[sc#add afcb2 2 2 -.1]";
        //MeshRand << "[sc#dad afcb2 2 2 -.1]";
        //MeshRand << "[sc#dda afcb2 2 2 -.1]";
        //MeshRand << "[sc#daa afcb2 2 2 -.1]";
        //MeshRand << "[sc#ada afcb2 2 2 -.1]";
        //MeshRand << "[sc#aad afcb2 2 2 -.1]";
        MeshRand << "[sc#add afcb1.7 1.7 1.7 0][sc#000 tsw afcb1.9 1.9 1.9 0 sx-1 sy-1 sz-1]";
        MeshRand << "[sc#dad afcb1.7 1.7 1.7 0][sc#000 tsw afcb1.9 1.9 1.9 0 sx-1 sy-1 sz-1]";
        MeshRand << "[sc#dda afcb1.7 1.7 1.7 0][sc#000 tsw afcb1.9 1.9 1.9 0 sx-1 sy-1 sz-1]";
        MeshRand << "[sc#daa afcb1.7 1.7 1.7 0][sc#000 tsw afcb1.9 1.9 1.9 0 sx-1 sy-1 sz-1]";
        MeshRand << "[sc#ada afcb1.7 1.7 1.7 0][sc#000 tsw afcb1.9 1.9 1.9 0 sx-1 sy-1 sz-1]";
        MeshRand << "[sc#aad afcb1.7 1.7 1.7 0][sc#000 tsw afcb1.9 1.9 1.9 0 sx-1 sy-1 sz-1]";

        int SphereLimit = MeshRand.Count();

        MeshRand << "[sc#add asph1 2 2 2]";
        MeshRand << "[sc#dad asph1 2 2 2]";
        MeshRand << "[sc#dda asph1 2 2 2]";
        MeshRand << "[sc#daa asph1 2 2 2]";
        MeshRand << "[sc#ada asph1 2 2 2]";
        MeshRand << "[sc#aad asph1 2 2 2]";

        int ConeLimit = MeshRand.Count();

        MeshRand << "[sc#add scb#add ad8 2 0 rx180 ty-1 ac8 2 2 0 0 0]";
        MeshRand << "[sc#dad scb#dad ad8 2 0 rx180 ty-1 ac8 2 2 0 0 0]";
        MeshRand << "[sc#dda scb#dda ad8 2 0 rx180 ty-1 ac8 2 2 0 0 0]";
        MeshRand << "[sc#daa scb#daa ad8 2 0 rx180 ty-1 ac8 2 2 0 0 0]";
        MeshRand << "[sc#ada scb#ada ad8 2 0 rx180 ty-1 ac8 2 2 0 0 0]";
        MeshRand << "[sc#aad scb#aad ad8 2 0 rx180 ty-1 ac8 2 2 0 0 0]";

        int CylLimit = MeshRand.Count();

        MeshRand << "[sc#add scb#add ad8 2 0 rx180 ty-1 my ac8 2 2 2 0 0]";
        MeshRand << "[sc#dad scb#dad ad8 2 0 rx180 ty-1 my ac8 2 2 2 0 0]";
        MeshRand << "[sc#dda scb#dda ad8 2 0 rx180 ty-1 my ac8 2 2 2 0 0]";
        MeshRand << "[sc#daa scb#daa ad8 2 0 rx180 ty-1 my ac8 2 2 2 0 0]";
        MeshRand << "[sc#ada scb#ada ad8 2 0 rx180 ty-1 my ac8 2 2 2 0 0]";
        MeshRand << "[sc#aad scb#aad ad8 2 0 rx180 ty-1 my ac8 2 2 2 0 0]";

        int CapsLimit = MeshRand.Count();

        MeshRand << "[sc#add scb#add acap1 2 1]";
        MeshRand << "[sc#dad scb#dad acap1 2 1]";
        MeshRand << "[sc#dda scb#dda acap1 2 1]";
        MeshRand << "[sc#daa scb#daa acap1 2 1]";
        MeshRand << "[sc#ada scb#ada acap1 2 1]";
        MeshRand << "[sc#aad scb#aad acap1 2 1]";

        switch (RandValue)
        {
            case 0:
            {
                RandValue = (int)(lol::RandF() * (SphereLimit - 1));
                break;
            }
            case 1:
            {
                RandValue = SphereLimit + (int)(lol::RandF() * ((ConeLimit - SphereLimit) - 1));
                break;
            }
            case 2:
            {
                RandValue = ConeLimit + (int)(lol::RandF() * ((CylLimit - ConeLimit) - 1));
                break;
            }
            case 3:
            {
                RandValue = CylLimit + (int)(lol::RandF() * ((CapsLimit - CylLimit) - 1));
                break;
            }
            case 4:
            {
                RandValue = CapsLimit + (int)(lol::RandF() * ((MeshRand.Count() - CapsLimit) - 1));
                break;
            }
            default:
            {
                RandValue = (int)(lol::RandF() * (MeshRand.Count() - 1));
            }
        }

        m_physics = new EasyPhysic(this);

        m_mesh.Compile(MeshRand[RandValue]);
        vec3 BoxSize = vec3(2.0f);
        int ColGroup = 1;
        if (RandValue < SphereLimit)
        {
            m_physics->SetShapeToBox(BoxSize);
            ColGroup += 0;
        }
        else if (RandValue < ConeLimit)
        {
            m_physics->SetShapeToSphere(BoxSize.x * 2.f);
            ColGroup += 1;
        }
        else if (RandValue < CylLimit)
        {
            m_physics->SetShapeToCone(BoxSize.x, BoxSize.y);
            ColGroup += 2;
        }
        else if (RandValue < CapsLimit)
        {
            m_physics->SetShapeToCylinder(BoxSize);
            ColGroup += 3;
        }
        else
        {
            m_physics->SetShapeToCapsule(BoxSize.x, BoxSize.y);
            ColGroup += 4;
        }

        m_physics->SetCollisionChannel(0, 0xFF);
        //m_physics->SetCollisionChannel(ColGroup, (1<<ColGroup)|(1));
        m_physics->SetMass(base_mass);
        m_physics->SetTransform(base_location);
        m_physics->InitBodyToRigid();
        m_physics->AddToSimulation(new_sim);
    }

    void SetTransform(const lol::vec3& base_location, const lol::quat& base_rotation=lol::quat(lol::mat4(1.0f)))
    {
        if (m_is_character)
            m_character->SetTransform(base_location, base_rotation);
        else
            m_physics->SetTransform(base_location, base_rotation);
    }

    lol::mat4 GetTransform()
    {
        if (m_is_character)
            return m_character->GetTransform();
        else
            return m_physics->GetTransform();
    }

    void SetRender(bool should_render)
    {
        m_should_render = should_render;
    }

    EasyMesh *GetMesh() { return &m_mesh; }
    EasyPhysic *GetPhysic() { return m_physics; }
    EasyCharacterController *GetCharacter() { return m_character; }

    ~PhysicsObject()
    {
    }

    char const *GetName() { return "<PhysicsObject>"; }

protected:
    virtual void TickGame(float seconds)
    {
        WorldEntity::TickGame(seconds);
    }

    virtual void TickDraw(float seconds)
    {
        WorldEntity::TickDraw(seconds);

        if (!m_ready)
        {
            m_mesh.MeshConvert();
            m_ready = true;
        }

        if (m_should_render)
        {
            if (m_is_character)
                m_mesh.Render(m_character->GetTransform());
            else
                m_mesh.Render(m_physics->GetTransform());
        }
    }

private:
    //Base datas
    EasyMesh                    m_mesh;
    EasyPhysic*                    m_physics;
    EasyCharacterController*    m_character;

    bool                        m_ready;
    bool                        m_should_render;
    bool                        m_is_character;
};

#endif /* __PHYSICOBJECT_H__ */