Refactored code and added library

Physics code for models now lives in the shared directory.
To get file loading without irrlicht, a single-file header library
(lib/tinyobjloader-c) was added.

Metatables for generics and physics generics have also been
seperated out.

12 files changed, 23 insertions, 459 deletions

diff --git a/src/client/lua_api/load_phys.cpp b/src/client/lua_api/load_cphys.cpp
index 0a4889b..b38b84d 100644
--- a/src/client/lua_api/load_phys.cpp
+++ b/src/client/lua_api/load_cphys.cpp
@@ -10,7 +10,7 @@ extern "C" {
 #include <irrlicht.h>
 #include "../callbackhandeler.hpp"
 #include "phys/cbphysbox.hpp"
-#include "phys/bphysmodel.hpp"
+#include "phys/cbphysmodel.hpp"
 #include <btBulletDynamicsCommon.h>
 #include <btBulletCollisionCommon.h>
 //#include <shared/phys/physcommon.hpp>
@@ -46,7 +46,7 @@ void load_physfuncs(lua_State* L){
 	//phys things	
 	cbphysbox_register(L);
 	
-	bphysmodel_register(L,device);
+	cbphysmodel_register(L);
 
 	lua_getglobal(L,"phys");//{}
 	lua_pushcfunction(L,raytest);//{},raytest()
diff --git a/src/client/lua_api/load_phys.hpp b/src/client/lua_api/load_cphys.hpp
index 7ee07fe..7ee07fe 100644
--- a/src/client/lua_api/load_phys.hpp
+++ b/src/client/lua_api/load_cphys.hpp
diff --git a/src/client/lua_api/phys/bphysbuffer.cpp b/src/client/lua_api/phys/bphysbuffer.cpp
deleted file mode 100644
index f1f20c0..0000000
--- a/src/client/lua_api/phys/bphysbuffer.cpp
+++ /dev/null
@@ -1,197 +0,0 @@
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <vector>
-#include <memory>
-#include <map>
-#include <functional>
-extern "C" {
-  #include <lua.h>
-  #include <lauxlib.h>
-  #include <lualib.h>
-}
-#include <btBulletDynamicsCommon.h>
-#include <irrlicht.h>
-#include <client/lua_api/gameparts.hpp>
-#include <shared/lua_api/phys/bphysbox.hpp>
-#include "bphysmodel.hpp"
-#include "../scene/igeneric.hpp"
-#include <shared/lua_api/common.hpp>
-
-using namespace irr;
-using namespace scene;
-using namespace core;
-using namespace video;
-
-extern IrrlichtDevice* device;
-
-extern btDiscreteDynamicsWorld* World;
-extern core::list<btRigidBody*> Objects;
-
-static LBPhysNode* checkisbphysmodel(lua_State* L, int index){
-  void* ud = luaL_checkudata(L,index,"phys.physmodel");
-  luaL_argcheck(L,ud != NULL, index, "'phys.physmodel' expected");
-  return (LBPhysNode*) ud;
-}
-
-//iscenecamera.new(Vector position, Vector lookat, parrent)
-// {} {} 0 1
-static int newbphysmodel(lua_State* L){
-	printf("Createing bphysbox!\n");
-	int nargs = lua_gettop(L);
-	if(nargs != 3){
-		printf("Incorrect # of args to create a physmodel!");
-	}
-	//The model for the mesh
-	//const char* modelpath = luaL_optstring(L,1,"error");
-
-	double x,y,z;
-	popvector3d(L,&x,&y,&z);
-	printf("Found position for phys model: %f %f %f\n",x,y,z);
-	
-	//Find the vector scale
-	double sx,sy,sz;
-	popvector3d(L,&sx,&sy,&sz);
-	printf("Found scale for phys model: %f %f %f\n",sx,sy,sz);
-	
-	//find the model path
-	const char* mpath = luaL_optstring(L,3,"error.obj");
-	
-	printf("I want to use model %s\n", mpath);
-	
-	ISceneManager* smgr = device->getSceneManager();
-	IMesh* amesh = smgr->getMesh(mpath);
-	IMeshBuffer* bf = amesh->getMeshBuffer(0);
-	u32 ni = bf->getIndexCount();
-
-	btTriangleMesh* trimesh = new btTriangleMesh();
-	for(u32 i = 0; i < ni; i+=3){
-		vector3df p1 = bf->getPosition(i + 0);
-		vector3df p2 = bf->getPosition(i + 1);
-		vector3df p3 = bf->getPosition(i + 2);
-		btVector3 b1 = btVector3(p1.X,p1.Y,p1.Z);
-		btVector3 b2 = btVector3(p2.X,p2.Y,p2.Z);
-		btVector3 b3 = btVector3(p3.X,p3.Y,p3.Z);
-		trimesh->addTriangle(b1,b2,b3);
-	}
-	btCollisionShape* shape = new btConvexTriangleMeshShape(trimesh,true);
-	core::vector3df scale = core::vector3df(sx,sy,sz);
-	btVector3 pos = btVector3(x,y,z);
-	core::vector3df ipos = core::vector3df(x,y,z);
-	shape->setLocalScaling(btVector3(sx,sy,sz));
-	//Find the mass
-	float mass = luaL_optint(L,4,0);
-	printf("Found mass for physbox:%f\n",mass);
-
-	
-
-	// Create an Irrlicht cube
-	scene::ISceneNode* Node = smgr->addMeshSceneNode(
-		amesh,
-		(ISceneNode*)0,
-		(s32)-1,
-		ipos,
-		vector3df(0,0,0),
-		scale
-	);
-	//Node->setScale(scale);
-    
-    printf("Added cube scene node and set it's scale\n");
-
-    //Node->setMaterialFlag(video::EMF_WIREFRAME,true)
-	//Node->setMaterialFlag(video::EMF_NORMALIZE_NORMALS, true);
-    Node->setMaterialFlag(video::EMF_LIGHTING,true);
-	//Node->setMaterialTexture(0, device->getVideoDriver()->getTexture("../data/wall.jpg"));
-
-    printf("Set node's lighting stuff...\n");
-
-	// Set the initial position of the object
-	btTransform Transform;
-	Transform.setIdentity();
-	Transform.setOrigin(pos);
-    
-    printf("Created transform at pos...\n");
-
-	// Give it a default MotionState
-	btDefaultMotionState *MotionState = new btDefaultMotionState(Transform);
-
-	// Create the shape
-	// btVector3 HalfExtents(sx * 0.5f, sy * 0.5f, sz * 0.5f);
-	// btCollisionShape *Shape = new btBoxShape(HalfExtents);
-
-    printf("Created collision shape...");
-    
-	// Add mass
-	btVector3 LocalInertia;
-	shape->calculateLocalInertia(mass, LocalInertia);
-
-	// Create the rigid body object
-	btRigidBody *RigidBody = new btRigidBody(mass, MotionState, shape, LocalInertia);
-    
-    printf("Created rigidboxy...");
-
-	// Store a pointer to the irrlicht node so we can update it later
-	RigidBody->setUserPointer((void *)(Node));
-
-    printf("Set user pointer");
-
-	// Add it to the world
-	World->addRigidBody(RigidBody);
-    printf("Added to world");
-	Objects.push_back(RigidBody);
-
-	//Register it's callback
-    printf("Everything created, makeing the lua representation\n");
-
-	//Create it's lua representation
-	LBPhysNode* pnode = (LBPhysNode*)lua_newuserdata(L, sizeof(LBPhysNode));
-	int tref = luaL_ref(L,LUA_REGISTRYINDEX);
-	//iguielements[lcam] = tref;
-	lua_rawgeti(L,LUA_REGISTRYINDEX,tref);//Put it back on the stack since luaL_ref pops the object.
-
-	//Set it's metatable
-	luaL_getmetatable(L, "phys.physmodel");
-	lua_setmetatable(L, -2);
-
-	//Create the struct
-	pnode->n = Node;
-	pnode->r = RigidBody;
-	pnode->funcmap = hashmap_new();
-	pnode->type = "bphysbox";
-
-    printf("Done createing lua representation!\n");
-	//Free up anything made in this function
-    //free(label);
-
-	//Put it on top and return it
-  lua_rawgeti(L,LUA_REGISTRYINDEX,tref);
-  return 1;
-}
-
-
-static const luaL_reg bphysbuffer_f[] = {
-  //{"new",           newbphysmodel},
-//  {"gethandeler",   guigethandeler},
-//  {"sethandeler",   guisethandeler},
-  {0,0},
-};
-
-static const luaL_reg bphysbuffer_m[] = {
-  //{"setmaterial",          iscenesetmaterial},
-  //{"getpos",               bphysgetpos},
-  //{"setpos",               bphyssetpos},
-//  {"settext",       setiguitext},
-//  {"remove",        removeiguielement},
-  {0, 0},
-};
-
-void bphysbuffer_register(lua_State* L, IrrlichtDevice* d){
-
-    device = d;
-
-	luaL_newmetatable(L, "phys.physbuffer");//{m_physbuffer}
-	lua_newtable(L);//{m_physbuffer},{}
-	luaL_register(L,"physbuffer",bphysbuffer_m);//{m_physbuffer},{physbuffer}
-	lua_setfield(L,-2,"__index");//{m_physbuffer}
-	lua_pop(L,1);
-}
diff --git a/src/client/lua_api/phys/bphysbuffer.hpp b/src/client/lua_api/phys/bphysbuffer.hpp
deleted file mode 100644
index cfbf549..0000000
--- a/src/client/lua_api/phys/bphysbuffer.hpp
+++ /dev/null
@@ -1,11 +0,0 @@
-
-#include <stdio.h>
-#include <stdlib.h>
-extern "C" {
-  #include <lua.h>
-  #include <lauxlib.h>
-  #include <lualib.h>
-}
-#include <irrlicht.h>
-
-void bphysmodel_register(lua_State* L);
diff --git a/src/client/lua_api/phys/bphysgeneric.cpp b/src/client/lua_api/phys/bphysgeneric.cpp
deleted file mode 100644
index 91b4c21..0000000
--- a/src/client/lua_api/phys/bphysgeneric.cpp
+++ /dev/null
@@ -1,200 +0,0 @@
-
-extern "C" {
-  #include <lua.h>
-  #include <lauxlib.h>
-  #include <lualib.h>
-}
-#include <btBulletDynamicsCommon.h>
-#include <shared/lua_api/common.hpp>
-
-/***
-@module phys
-*/
-
-
-/*Physics things from lua have the form of:
-{
-	rigidbody = btRigidBody,
-	node = ISceneNode,
-}
-*/
-
-/***
-Sets the direction of gravity on this object.
-@function rigidbody:setgravity({x,y,z})
-@tparam vector3d direction The direction to make gravity point
-*/
-//rigidbody:setgravity({x,y,z})
-int setgravity(lua_State *L){
-	double x,y,z;
-	popvector3d(L,&x,&y,&z);
-
-	lua_getfield(L,-1,"rigidbody");
-	btRigidBody *r = (btRigidBody*)lua_touserdata(L,-1);
-	lua_pop(L,2);
-
-	btVector3 v = btVector3(x,y,z);
-
-	r->setGravity(v);
-
-	return 0;
-}
-
-/***
-Gets the direction of gravity on this object.
-@function rigidbody:getgravity()
-@treturn vector3d The direction of gravity on this object.
-*/
-//rigidbody:getgravity()
-int getgravity(lua_State *L){
-	lua_getfield(L,-1,"rigidbody");//{rigidbody},ud_rigidbody
-	btRigidBody *r = (btRigidBody*)lua_touserdata(L,-1);
-	lua_pop(L,2);//
-
-	btVector3 v = r->getGravity();
-	pushvector3d(L,v.x(),v.y(),v.z());
-
-	return 0;
-}
-
-/***
-Apply force at a reletive offset.
-@function rigidbody:applyforce(direction, offset = {0,0,0})
-@tparam vector3d direction The direction of the force to apply
-@tparam vector3d offset The offset from the center of gravity to apply the force
-*/
-//rigidbody:applyforce({x,y,z}[,{rx,ry,rz}])
-int applyforce(lua_State *L){
-	double rx,ry,rz;
-	rx = 0;
-	ry = 0;
-	rz = 0;
-	if(lua_gettop(L) > 2){
-		popvector3d(L,&rx,&ry,&rz);//{phys},{x,y,z}
-	}
-
-	double x,y,z;
-	popvector3d(L,&x,&y,&z);//{phys}
-
-	lua_getfield(L,-1,"rigidbody");
-	btRigidBody *r = (btRigidBody*)lua_touserdata(L,-1);
-	lua_pop(L,2);
-
-	btVector3 v = btVector3(x,y,z);
-	btVector3 o = btVector3(rx,ry,rz);
-
-	r->applyForce(v,o);
-	
-	return 0;
-}
-
-/***
-Gets the damping applied to this rigidbody
-@function rigidbody:getldamping()
-@treturn number damping The ammount of damping applied to the object's momentum
-*/
-//rigidbody:getldamping()
-int getlineardamping(lua_State *L){
-	lua_getfield(L,-1,"rigidbody");
-	btRigidBody *r = (btRigidBody*)lua_touserdata(L,-1);
-	lua_pop(L,2);
-
-	double damp = r->getLinearDamping();
-	lua_pushnumber(L,damp);
-
-	return 1;
-}
-
-/***
-Gets the angular damping applied to this rigidbody
-@function rigidbody:getadamping()
-@treturn number damping The ammount of damping applied to angular momentum
-*/
-//rigidbody:getadamping()
-int getangulardamping(lua_State *L){
-	lua_getfield(L,-1,"rigidbody");
-	btRigidBody *r = (btRigidBody*)lua_touserdata(L,-1);
-	lua_pop(L,2);
-
-	double damp = r->getAngularDamping();
-	lua_pushnumber(L,damp);
-
-	return 1;
-}
-
-/***
-Gets the velocity of this object
-@function rigidbody:getvelocity()
-@treturn vector3 The velocity in each direction
-*/
-//rigidbody:getvelocity()
-int getvelocity(lua_State *L){
-	btVector3 vel;
-	lua_getfield(L,-1,"rigidbody");
-	btRigidBody *r = (btRigidBody*)lua_touserdata(L,-1);
-
-	vel = r->getLinearVelocity();
-	pushvector3d(L,(double)vel.x(),(double)vel.y(),(double)vel.z());
-
-	return 1;
-}
-
-/***
-Sets the velocity of this object
-@function rigidbody:setvelocity()
-@tparam vector3d direction The ammount on each axis to set the velocity of this object.
-*/
-//rigidbody:setvelocity({x,y,z})
-int setvelocity(lua_State *L){
-	double x,y,z;
-	popvector3d(L,&x,&y,&z);
-	btVector3 newvel = btVector3(x,y,z);
-
-	lua_getfield(L,-1,"rigidbody");
-	btRigidBody *r = (btRigidBody*)lua_touserdata(L,-1);
-	lua_pop(L,2);
-
-	r->setLinearVelocity(newvel);
-
-	return 0;
-}
-
-/***
-Activates this object.
-If this object was sleeping, it will move again. If you are using
-applyforce or setvelocity, you will need to activate() the rigidbody for it
-to move.
-@function rigidbody:activate()
-*/
-//rigidbody:activate()
-int activate(lua_State *L){
-	lua_getfield(L,-1,"rigidbody");
-	btRigidBody *r = (btRigidBody*)lua_touserdata(L,-1);
-	lua_pop(L,2);
-
-	r->activate();
-
-	return 0;
-}
-
-/***
-Sets the damping of this object.
-@function rigidbody:setdamping(damping,angular_damping)
-@tparam number damping The ammount of damping the object should put on it's movement.
-@tparam number angular_damping The ammount of damping the object should put on it's angular momentum
-*/
-//rigidbody:setdamping(lineardamping, angulardamping)
-int setdamping(lua_State *L){
-	double adamp,ldamp;
-	adamp = lua_tonumber(L,-1);
-	ldamp = lua_tonumber(L,-2);
-	lua_pop(L,2);
-
-	lua_getfield(L,-1,"rigidbody");
-	btRigidBody *r = (btRigidBody*)lua_touserdata(L,-1);
-	lua_pop(L,2);
-
-	r->setDamping(adamp,ldamp);
-
-	return 0;
-}
diff --git a/src/client/lua_api/phys/bphysgeneric.hpp b/src/client/lua_api/phys/bphysgeneric.hpp
deleted file mode 100644
index d035084..0000000
--- a/src/client/lua_api/phys/bphysgeneric.hpp
+++ /dev/null
@@ -1,28 +0,0 @@
-
-extern "C" {
-  #include <lua.h>
-  #include <lauxlib.h>
-  #include <lualib.h>
-}
-
-
-int setgravity(lua_State *L);
-int applyforce(lua_State *L);
-int getlineardamping(lua_State *L);
-int getangulardamping(lua_State *L);
-int setdamping(lua_State *L);
-int activate(lua_State *L);
-int getvelocity(lua_State *L);
-int setvelocity(lua_State *L);
-
-static const luaL_reg brigidbody_m[] = {
-	{"setgravity",       setgravity},
-	{"applyforce",       applyforce},
-	{"getldamping",      getlineardamping},
-	{"getadamping",      getangulardamping},
-	{"setdamping",       setdamping},
-	{"activate",         activate},
-	{"getvelocity",      getvelocity},
-	{"setvelocity",      setvelocity},
-	{NULL, NULL}
-};
diff --git a/src/client/lua_api/phys/cbphysbox.cpp b/src/client/lua_api/phys/cbphysbox.cpp
index 578fc8d..86deacf 100644
--- a/src/client/lua_api/phys/cbphysbox.cpp
+++ b/src/client/lua_api/phys/cbphysbox.cpp
@@ -16,7 +16,7 @@ extern "C" {
 #include "../scene/igeneric.hpp"
 #include <shared/lua_api/common.hpp>
 
-#include "bphysgeneric.hpp"
+#include <shared/lua_api/phys/bphysgeneric.hpp>
 
 using namespace irr;
 using namespace scene;
@@ -146,11 +146,11 @@ int cbsetmaterial(lua_State* L){
 }
 
 static const luaL_reg cbphysbox_m[] = {
-	{"setcpos",	cbphyssetpos},//overload
-	{"getcpos",	cbphysgetpos},
-	{"getgravity",  cbphysgetgravity},
-	{"applygravity",cbphysapplygravity},
-	{"setMaterial", cbsetmaterial},
+	{"setpos",	cbphyssetpos},//overload
+	{"getpos",	cbphysgetpos},
+	//{"getgravity",  cbphysgetgravity},
+	//{"applygravity",cbphysapplygravity},
+	//{"setMaterial", cbsetmaterial},
 //	{"delete",	delbphysbox},//client side delete needs to delete the visual representation
 	{0, 0},
 };
@@ -166,6 +166,7 @@ void cbphysbox_register(lua_State* L){
 	luaL_getmetatable(L,"phys.physbox");//phys.physbox
 	lua_newtable(L);//phys.physbox,{}
 	luaL_register(L,NULL,brigidbody_m);
+	luaL_register(L,NULL,igeneric_m);
 	luaL_register(L,NULL,cbphysbox_m);//phys.physbox,{}
 	lua_setfield(L,-2,"__index");//phys.physbox
 
diff --git a/src/client/lua_api/phys/bphysmodel.cpp b/src/client/lua_api/phys/cbphysmodel.cpp
index 2bf65fb..51ff2d8 100644
--- a/src/client/lua_api/phys/bphysmodel.cpp
+++ b/src/client/lua_api/phys/cbphysmodel.cpp
@@ -15,7 +15,7 @@ extern "C" {
 #include <irrlicht.h>
 #include "../gameparts.hpp"
 #include "cbphysbox.hpp"
-#include "bphysmodel.hpp"
+#include "cbphysmodel.hpp"
 #include <client/lua_api/scene/igeneric.hpp>
 #include <shared/lua_api/common.hpp>
 
@@ -121,10 +121,7 @@ static const luaL_reg bphysmodel_m[] = {
 	{0, 0},
 };
 
-int bphysmodel_register(lua_State* L, IrrlichtDevice* d){
-
-	device = d;
-
+int cbphysmodel_register(lua_State* L){
 	//printf("bphysmodel registered\n");
 
 	luaL_newmetatable(L, "phys.physmodel");//{}
diff --git a/src/client/lua_api/phys/bphysmodel.hpp b/src/client/lua_api/phys/cbphysmodel.hpp
index 1c0fbac..5ea42a8 100644
--- a/src/client/lua_api/phys/bphysmodel.hpp
+++ b/src/client/lua_api/phys/cbphysmodel.hpp
@@ -8,5 +8,5 @@ extern "C" {
 }
 #include <irrlicht.h>
 
-int bphysmodel_register(lua_State* L, irr::IrrlichtDevice* d);
+int cbphysmodel_register(lua_State* L);
 #endif
diff --git a/src/client/lua_api/scene/igeneric.cpp b/src/client/lua_api/scene/igeneric.cpp
index 0383619..38479d4 100644
--- a/src/client/lua_api/scene/igeneric.cpp
+++ b/src/client/lua_api/scene/igeneric.cpp
@@ -67,3 +67,12 @@ int iscenesetmaterial(lua_State* L){
     
 	return 0;
 }
+
+extern const luaL_reg igeneric_m[] = {
+	{"getpos",        iscenegetpos},
+	{"setpos",        iscenesetpos},
+	{"getang",        iscenegetangle},
+	{"setang",        iscenesetangle},
+	{"setmaterial",   iscenesetmaterial},
+	{0, 0},
+};
diff --git a/src/client/lua_api/scene/igeneric.hpp b/src/client/lua_api/scene/igeneric.hpp
index 6d41028..9e3d6f6 100644
--- a/src/client/lua_api/scene/igeneric.hpp
+++ b/src/client/lua_api/scene/igeneric.hpp
@@ -15,12 +15,5 @@ int iscenegetangle(lua_State* L);
 int iscenesetangle(lua_State* L);
 int iscenesetmaterial(lua_State* L);
 
-static const luaL_reg igeneric_m[] = {
-	{"getpos",        iscenegetpos},
-	{"setpos",        iscenesetpos},
-	{"getang",        iscenegetangle},
-	{"setang",        iscenesetangle},
-	{"setmaterial",   iscenesetmaterial},
-	{0, 0},
-};
+extern const luaL_reg igeneric_m[];
 #endif
diff --git a/src/client/main.cpp b/src/client/main.cpp
index 6336dc1..bc509c7 100644
--- a/src/client/main.cpp
+++ b/src/client/main.cpp
@@ -17,7 +17,7 @@ extern "C" {
 #include "lua_api/load_gui.hpp"
 #include "lua_api/load_game.hpp"
 #include "lua_api/load_scene.hpp"
-#include "lua_api/load_phys.hpp"
+#include "lua_api/load_cphys.hpp"
 #include "lua_api/load_video.hpp"
 #include "lua_api/load_io.hpp"
 #include "callbackhandeler.hpp"