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#include <stdio.h>
#include <stdlib.h>
#include <list>
extern "C" {
#include <lua.h>
#include <lauxlib.h>
#include <lualib.h>
}
#include <btBulletDynamicsCommon.h>
#include <BulletDynamics/Character/btKinematicCharacterController.h>
#include <BulletCollision/CollisionDispatch/btGhostObject.h>
#include "bcharactercontroller.hpp"
#include <shared/lua_api/common.hpp>
extern btDiscreteDynamicsWorld* World;
extern std::list<btRigidBody*> Objects;
extern std::list<btKinematicCharacterController*> Chars;
/*
static LBPhysNode* checkisbphysbox(lua_State* L, int index){
void* ud = luaL_checkudata(L,index,"phys.physbox");
luaL_argcheck(L,ud != NULL, index, "'phys.physbox' expected");
return (LBPhysNode*) ud;
}
*/
/*
static LISceneNode* checkismesh(lua_State* L){
return checkismesh(L,1);
}
*/
// ud_character :: ({v3 size}, {v3 origin})
void makenewbcharactercontroller(lua_State* L){
lua_pushstring(L,"Character controller is totally fucking broken for now\n");
lua_error(L);
double px,py,pz; //position
double sx,sy,sz; //size
//double mass;
//mass = lua_tonumber(L,-1);//{v3_size},{v3_origin},mass
//lua_pop(L,1);//{v3_size},{v3_origin}
//printf("Got mass: %f\n",mass);
popvector3d(L,&px,&py,&pz);//{v3_size}
//printf("Got position: (%f,%f,%f)\n",px,py,pz);
popvector3d(L,&sx,&sy,&sz);//
btVector3 vshape = btVector3(sx * 0.5f, sy * 0.5f, sz * 0.5f);
//printf("Got size: (%f,%f,%f)\n",sx,sy,sz);
btVector3 pos = btVector3(px,py,pz);
btTransform transform = btTransform(btQuaternion(0,0,0,1),pos);
// Create the shape
btConvexShape* cshape = new btBoxShape(vshape);
// Add mass
//btVector3 localinertia = btVector3(0,0,0);
//shape->calculateLocalInertia(mass, localinertia);
// Create the rigid body object
//btRigidBody::btRigidBodyConstructionInfo cinfo = btRigidBody::btRigidBodyConstructionInfo(
//mass,
//motionstate,
//shape,
//localinertia
//);
btPairCachingGhostObject *ghost = new btPairCachingGhostObject();
ghost->setWorldTransform(transform);
ghost->setCollisionShape(cshape);
ghost->setCollisionFlags(btCollisionObject::CF_CHARACTER_OBJECT);
btKinematicCharacterController *cc = new btKinematicCharacterController(ghost, cshape, 1, btVector3(0,1,0));
//cinfo.m_friction = 0;
//btRigidBody *rigidbody = new btRigidBody(cinfo);
// Add it to the world
World->addAction(cc);
//World->addVehicle(cc);
//printf("Added rigid body to world: %p\n",World);
Chars.push_back(cc);
lua_pushlightuserdata(L,cc);//ud_cc
}
// phys.newphysbox(vector3 size, vector3 origin, double mass)
int newbcharactercontroller(lua_State* L){
//printf("Createing bphysbox!\n");
//Create it's lua representation
makenewbcharactercontroller(L);//ud_cc
btKinematicCharacterController* r = (btKinematicCharacterController*)lua_touserdata(L,-1);
lua_pop(L,1);
lua_newtable(L);//{}
lua_pushlightuserdata(L,r);//ud_cc
lua_setfield(L,-2,"character");//{}
//Set it's metatable
luaL_getmetatable(L, "phys.charactercontroller");//{},{phys.charactercontroller}
lua_setmetatable(L, -2);//{}
return 1;
}
//{phys.physbox}:delete()
static int delbcharactercontroller(lua_State* L){//self
//printf("Attempting to delete physbox\n");
lua_getfield(L,-1,"character");//self,ud_rigidbody
btKinematicCharacterController* r = (btKinematicCharacterController*)lua_touserdata(L,-1);//self,ud_rigidbody
lua_pop(L,2);
delete r->getGhostObject();
delete r;
return 0;
}
//{char},{v3_dir} ::
int bcharsetwalkdirection(lua_State *L){
double x,y,z;
popvector3d(L,&x,&y,&z);//{char}
lua_getfield(L,-1,"character");//{char},ud_cc
btKinematicCharacterController* cc = (btKinematicCharacterController*)lua_touserdata(L,-1);
lua_pop(L,2);
cc->setWalkDirection(btVector3(x,y,z));
return 0;
}
static const luaL_reg bcharactercontroller_m[] = {
{"setwalkdir", bcharsetwalkdirection},
{"remove", delbcharactercontroller},
{0, 0},
};
void bcharactercontroller_register(lua_State* L){//
//printf("Registered bphysbox\n");
luaL_newmetatable(L, "phys.charactercontroller");//{phys.physbox}
lua_newtable(L);//{phys.physbox},{}
luaL_register(L,NULL,bcharactercontroller_m);//{phys.physbox},{}
lua_setfield(L,-2,"__index");//{phys.physbox}
lua_pop(L,1);//
lua_getglobal(L,"phys");//{}
lua_pushcfunction(L,newbcharactercontroller);//{},newbcharactercontroller()
lua_setfield(L,-2,"newcharactercontroller");//{}
lua_pop(L,1);
}
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