minetest/src/script/lua_api/l_localplayer.cpp

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/*
Minetest
Copyright (C) 2017 Dumbeldor, Vincent Glize <vincent.glize@live.fr>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "l_localplayer.h"
#include "l_internal.h"
#include "script/common/c_converter.h"
#include "client/localplayer.h"
#include "hud.h"
#include "common/c_content.h"
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LuaLocalPlayer::LuaLocalPlayer(LocalPlayer *m) : m_localplayer(m)
{
}
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void LuaLocalPlayer::create(lua_State *L, LocalPlayer *m)
{
LuaLocalPlayer *o = new LuaLocalPlayer(m);
*(void **)(lua_newuserdata(L, sizeof(void *))) = o;
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luaL_getmetatable(L, className);
lua_setmetatable(L, -2);
// Keep localplayer object stack id
int localplayer_object = lua_gettop(L);
lua_getglobal(L, "core");
luaL_checktype(L, -1, LUA_TTABLE);
int coretable = lua_gettop(L);
lua_pushvalue(L, localplayer_object);
lua_setfield(L, coretable, "localplayer");
}
int LuaLocalPlayer::l_get_velocity(lua_State *L)
{
LocalPlayer *player = getobject(L, 1);
push_v3f(L, player->getSpeed() / BS);
return 1;
}
int LuaLocalPlayer::l_get_hp(lua_State *L)
{
LocalPlayer *player = getobject(L, 1);
lua_pushinteger(L, player->hp);
return 1;
}
int LuaLocalPlayer::l_get_name(lua_State *L)
{
LocalPlayer *player = getobject(L, 1);
lua_pushstring(L, player->getName());
return 1;
}
int LuaLocalPlayer::l_is_attached(lua_State *L)
{
LocalPlayer *player = getobject(L, 1);
lua_pushboolean(L, player->isAttached);
return 1;
}
int LuaLocalPlayer::l_is_touching_ground(lua_State *L)
{
LocalPlayer *player = getobject(L, 1);
lua_pushboolean(L, player->touching_ground);
return 1;
}
int LuaLocalPlayer::l_is_in_liquid(lua_State *L)
{
LocalPlayer *player = getobject(L, 1);
lua_pushboolean(L, player->in_liquid);
return 1;
}
int LuaLocalPlayer::l_is_in_liquid_stable(lua_State *L)
{
LocalPlayer *player = getobject(L, 1);
lua_pushboolean(L, player->in_liquid_stable);
return 1;
}
int LuaLocalPlayer::l_get_liquid_viscosity(lua_State *L)
{
LocalPlayer *player = getobject(L, 1);
lua_pushinteger(L, player->liquid_viscosity);
return 1;
}
int LuaLocalPlayer::l_is_climbing(lua_State *L)
{
LocalPlayer *player = getobject(L, 1);
lua_pushboolean(L, player->is_climbing);
return 1;
}
int LuaLocalPlayer::l_swimming_vertical(lua_State *L)
{
LocalPlayer *player = getobject(L, 1);
lua_pushboolean(L, player->swimming_vertical);
return 1;
}
int LuaLocalPlayer::l_get_physics_override(lua_State *L)
{
LocalPlayer *player = getobject(L, 1);
lua_newtable(L);
lua_pushnumber(L, player->physics_override_speed);
lua_setfield(L, -2, "speed");
lua_pushnumber(L, player->physics_override_jump);
lua_setfield(L, -2, "jump");
lua_pushnumber(L, player->physics_override_gravity);
lua_setfield(L, -2, "gravity");
lua_pushboolean(L, player->physics_override_sneak);
lua_setfield(L, -2, "sneak");
lua_pushboolean(L, player->physics_override_sneak_glitch);
lua_setfield(L, -2, "sneak_glitch");
return 1;
}
int LuaLocalPlayer::l_get_override_pos(lua_State *L)
{
LocalPlayer *player = getobject(L, 1);
push_v3f(L, player->overridePosition);
return 1;
}
int LuaLocalPlayer::l_get_last_pos(lua_State *L)
{
LocalPlayer *player = getobject(L, 1);
push_v3f(L, player->last_position / BS);
return 1;
}
int LuaLocalPlayer::l_get_last_velocity(lua_State *L)
{
LocalPlayer *player = getobject(L, 1);
push_v3f(L, player->last_speed);
return 1;
}
int LuaLocalPlayer::l_get_last_look_vertical(lua_State *L)
{
LocalPlayer *player = getobject(L, 1);
lua_pushnumber(L, -1.0 * player->last_pitch * core::DEGTORAD);
return 1;
}
int LuaLocalPlayer::l_get_last_look_horizontal(lua_State *L)
{
LocalPlayer *player = getobject(L, 1);
lua_pushnumber(L, (player->last_yaw + 90.) * core::DEGTORAD);
return 1;
}
int LuaLocalPlayer::l_get_key_pressed(lua_State *L)
{
LocalPlayer *player = getobject(L, 1);
lua_pushinteger(L, player->last_keyPressed);
return 1;
}
int LuaLocalPlayer::l_get_breath(lua_State *L)
{
LocalPlayer *player = getobject(L, 1);
lua_pushinteger(L, player->getBreath());
return 1;
}
int LuaLocalPlayer::l_get_pos(lua_State *L)
{
LocalPlayer *player = getobject(L, 1);
push_v3f(L, player->getPosition() / BS);
return 1;
}
int LuaLocalPlayer::l_get_movement_acceleration(lua_State *L)
{
LocalPlayer *player = getobject(L, 1);
lua_newtable(L);
lua_pushnumber(L, player->movement_acceleration_default);
lua_setfield(L, -2, "default");
lua_pushnumber(L, player->movement_acceleration_air);
lua_setfield(L, -2, "air");
lua_pushnumber(L, player->movement_acceleration_fast);
lua_setfield(L, -2, "fast");
return 1;
}
int LuaLocalPlayer::l_get_movement_speed(lua_State *L)
{
LocalPlayer *player = getobject(L, 1);
lua_newtable(L);
lua_pushnumber(L, player->movement_speed_walk);
lua_setfield(L, -2, "walk");
lua_pushnumber(L, player->movement_speed_crouch);
lua_setfield(L, -2, "crouch");
lua_pushnumber(L, player->movement_speed_fast);
lua_setfield(L, -2, "fast");
lua_pushnumber(L, player->movement_speed_climb);
lua_setfield(L, -2, "climb");
lua_pushnumber(L, player->movement_speed_jump);
lua_setfield(L, -2, "jump");
return 1;
}
int LuaLocalPlayer::l_get_movement(lua_State *L)
{
LocalPlayer *player = getobject(L, 1);
lua_newtable(L);
lua_pushnumber(L, player->movement_liquid_fluidity);
lua_setfield(L, -2, "liquid_fluidity");
lua_pushnumber(L, player->movement_liquid_fluidity_smooth);
lua_setfield(L, -2, "liquid_fluidity_smooth");
lua_pushnumber(L, player->movement_liquid_sink);
lua_setfield(L, -2, "liquid_sink");
lua_pushnumber(L, player->movement_gravity);
lua_setfield(L, -2, "gravity");
return 1;
}
// hud_add(self, form)
int LuaLocalPlayer::l_hud_add(lua_State *L)
{
LocalPlayer *player = getobject(L, 1);
HudElement *elem = new HudElement;
read_hud_element(L, elem);
u32 id = player->addHud(elem);
if (id == U32_MAX) {
delete elem;
return 0;
}
lua_pushnumber(L, id);
return 1;
}
// hud_remove(self, id)
int LuaLocalPlayer::l_hud_remove(lua_State *L)
{
LocalPlayer *player = getobject(L, 1);
u32 id = luaL_checkinteger(L, 2);
HudElement *element = player->removeHud(id);
if (!element)
lua_pushboolean(L, false);
else
lua_pushboolean(L, true);
delete element;
return 1;
}
// hud_change(self, id, stat, data)
int LuaLocalPlayer::l_hud_change(lua_State *L)
{
LocalPlayer *player = getobject(L, 1);
u32 id = luaL_checkinteger(L, 2);
HudElement *element = player->getHud(id);
if (!element)
return 0;
void *unused;
read_hud_change(L, element, &unused);
lua_pushboolean(L, true);
return 1;
}
// hud_get(self, id)
int LuaLocalPlayer::l_hud_get(lua_State *L)
{
LocalPlayer *player = getobject(L, 1);
u32 id = luaL_checkinteger(L, -1);
HudElement *e = player->getHud(id);
if (!e) {
lua_pushnil(L);
return 1;
}
push_hud_element(L, e);
return 1;
}
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LuaLocalPlayer *LuaLocalPlayer::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 *(LuaLocalPlayer **)ud;
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}
LocalPlayer *LuaLocalPlayer::getobject(LuaLocalPlayer *ref)
{
return ref->m_localplayer;
}
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LocalPlayer *LuaLocalPlayer::getobject(lua_State *L, int narg)
{
LuaLocalPlayer *ref = checkobject(L, narg);
assert(ref);
LocalPlayer *player = getobject(ref);
assert(player);
return player;
}
int LuaLocalPlayer::gc_object(lua_State *L)
{
LuaLocalPlayer *o = *(LuaLocalPlayer **)(lua_touserdata(L, 1));
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delete o;
return 0;
}
void LuaLocalPlayer::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); // hide metatable from lua getmetatable()
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); // Drop metatable
luaL_openlib(L, 0, methods, 0); // fill methodtable
lua_pop(L, 1); // Drop methodtable
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}
const char LuaLocalPlayer::className[] = "LocalPlayer";
const luaL_Reg LuaLocalPlayer::methods[] = {
luamethod(LuaLocalPlayer, get_velocity),
luamethod(LuaLocalPlayer, get_hp),
luamethod(LuaLocalPlayer, get_name),
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luamethod(LuaLocalPlayer, is_attached),
luamethod(LuaLocalPlayer, is_touching_ground),
luamethod(LuaLocalPlayer, is_in_liquid),
luamethod(LuaLocalPlayer, is_in_liquid_stable),
luamethod(LuaLocalPlayer, get_liquid_viscosity),
luamethod(LuaLocalPlayer, is_climbing),
luamethod(LuaLocalPlayer, swimming_vertical),
luamethod(LuaLocalPlayer, get_physics_override),
luamethod(LuaLocalPlayer, get_override_pos),
luamethod(LuaLocalPlayer, get_last_pos),
luamethod(LuaLocalPlayer, get_last_velocity),
luamethod(LuaLocalPlayer, get_last_look_horizontal),
luamethod(LuaLocalPlayer, get_last_look_vertical),
luamethod(LuaLocalPlayer, get_key_pressed),
luamethod(LuaLocalPlayer, get_breath),
luamethod(LuaLocalPlayer, get_pos),
luamethod(LuaLocalPlayer, get_movement_acceleration),
luamethod(LuaLocalPlayer, get_movement_speed),
luamethod(LuaLocalPlayer, get_movement),
luamethod(LuaLocalPlayer, hud_add),
luamethod(LuaLocalPlayer, hud_remove),
luamethod(LuaLocalPlayer, hud_change),
luamethod(LuaLocalPlayer, hud_get),
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{0, 0}
};