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#include "script/common/c_converter.h"
#include "l_camera.h"
#include "l_internal.h"
#include "content_cao.h"
#include "camera.h"
#include "client.h"
LuaCamera::LuaCamera(Camera *m) : m_camera(m)
{
}
void LuaCamera::create(lua_State *L, Camera *m)
{
LuaCamera *o = new LuaCamera(m);
*(void **)(lua_newuserdata(L, sizeof(void *))) = o;
luaL_getmetatable(L, className);
lua_setmetatable(L, -2);
int camera_object = lua_gettop(L);
lua_getglobal(L, "core");
luaL_checktype(L, -1, LUA_TTABLE);
int coretable = lua_gettop(L);
lua_pushvalue(L, camera_object);
lua_setfield(L, coretable, "camera");
}
int LuaCamera::l_set_camera_mode(lua_State *L)
{
Camera *camera = getobject(L, 1);
GenericCAO *playercao = getClient(L)->getEnv().getLocalPlayer()->getCAO();
if (!camera)
return 0;
sanity_check(playercao);
if (!lua_isnumber(L, 2))
return 0;
camera->setCameraMode((CameraMode)((int)lua_tonumber(L, 2)));
playercao->setVisible(camera->getCameraMode() > CAMERA_MODE_FIRST);
playercao->setChildrenVisible(camera->getCameraMode() > CAMERA_MODE_FIRST);
return 0;
}
int LuaCamera::l_get_camera_mode(lua_State *L)
{
Camera *camera = getobject(L, 1);
if (!camera)
return 0;
lua_pushnumber(L, (int)camera->getCameraMode());
return 1;
}
int LuaCamera::l_get_fov(lua_State *L)
{
Camera *camera = getobject(L, 1);
if (!camera)
return 0;
lua_newtable(L);
lua_pushnumber(L, camera->getFovX() * core::DEGTORAD);
lua_setfield(L, -2, "x");
lua_pushnumber(L, camera->getFovY() * core::DEGTORAD);
lua_setfield(L, -2, "y");
lua_pushnumber(L, camera->getCameraNode()->getFOV() * core::RADTODEG);
lua_setfield(L, -2, "actual");
lua_pushnumber(L, camera->getFovMax() * core::RADTODEG);
lua_setfield(L, -2, "max");
return 1;
}
int LuaCamera::l_get_pos(lua_State *L)
{
Camera *camera = getobject(L, 1);
if (!camera)
return 0;
push_v3f(L, camera->getPosition());
return 1;
}
int LuaCamera::l_get_offset(lua_State *L)
{
Camera *camera = getobject(L, 1);
if (!camera)
return 0;
push_v3s16(L, camera->getOffset());
return 1;
}
int LuaCamera::l_get_look_dir(lua_State *L)
{
LocalPlayer *player = getClient(L)->getEnv().getLocalPlayer();
sanity_check(player);
float pitch = -1.0 * player->getPitch() * core::DEGTORAD;
float yaw = (player->getYaw() + 90.) * core::DEGTORAD;
v3f v(cos(pitch) * cos(yaw), sin(pitch), cos(pitch) * sin(yaw));
push_v3f(L, v);
return 1;
}
int LuaCamera::l_get_look_horizontal(lua_State *L)
{
LocalPlayer *player = getClient(L)->getEnv().getLocalPlayer();
sanity_check(player);
lua_pushnumber(L, (player->getYaw() + 90.) * core::DEGTORAD);
return 1;
}
int LuaCamera::l_get_look_vertical(lua_State *L)
{
LocalPlayer *player = getClient(L)->getEnv().getLocalPlayer();
sanity_check(player);
lua_pushnumber(L, -1.0 * player->getPitch() * core::DEGTORAD);
return 1;
}
int LuaCamera::l_get_aspect_ratio(lua_State *L)
{
Camera *camera = getobject(L, 1);
if (!camera)
return 0;
lua_pushnumber(L, camera->getCameraNode()->getAspectRatio());
return 1;
}
LuaCamera *LuaCamera::checkobject(lua_State *L, int narg)
{
luaL_checktype(L, narg, LUA_TUSERDATA);
void *ud = luaL_checkudata(L, narg, className);
if (!ud)
luaL_typerror(L, narg, className);
return *(LuaCamera **)ud;
}
Camera *LuaCamera::getobject(LuaCamera *ref)
{
return ref->m_camera;
}
Camera *LuaCamera::getobject(lua_State *L, int narg)
{
LuaCamera *ref = checkobject(L, narg);
assert(ref);
Camera *camera = getobject(ref);
if (!camera)
return NULL;
return camera;
}
int LuaCamera::gc_object(lua_State *L)
{
LuaCamera *o = *(LuaCamera **)(lua_touserdata(L, 1));
delete o;
return 0;
}
void LuaCamera::Register(lua_State *L)
{
lua_newtable(L);
int methodtable = lua_gettop(L);
luaL_newmetatable(L, className);
int metatable = lua_gettop(L);
lua_pushliteral(L, "__metatable");
lua_pushvalue(L, methodtable);
lua_settable(L, metatable);
lua_pushliteral(L, "__index");
lua_pushvalue(L, methodtable);
lua_settable(L, metatable);
lua_pushliteral(L, "__gc");
lua_pushcfunction(L, gc_object);
lua_settable(L, metatable);
lua_pop(L, 1);
luaL_openlib(L, 0, methods, 0);
lua_pop(L, 1);
}
const char LuaCamera::className[] = "Camera";
const luaL_Reg LuaCamera::methods[] = {luamethod(LuaCamera, set_camera_mode),
luamethod(LuaCamera, get_camera_mode), luamethod(LuaCamera, get_fov),
luamethod(LuaCamera, get_pos), luamethod(LuaCamera, get_offset),
luamethod(LuaCamera, get_look_dir),
luamethod(LuaCamera, get_look_vertical),
luamethod(LuaCamera, get_look_horizontal),
luamethod(LuaCamera, get_aspect_ratio),
{0, 0}};
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