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lua_util.h
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lua_util.h
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/*
This file is part of Iceball.
Iceball is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Iceball 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with Iceball. If not, see <http://www.gnu.org/licenses/>.
*/
int icelua_fn_common_argb_split_to_merged(lua_State *L)
{
int top = icelua_assert_stack(L, 3, 4);
lua_pushnumber(L, (double)(uint32_t)(
((lua_tointeger(L, 1) & 0xFF) << 16) |
((lua_tointeger(L, 2) & 0xFF) << 8) |
((lua_tointeger(L, 3) & 0xFF)) |
(((uint32_t)(top < 4 ? 0xFF : (lua_tointeger(L, 4) & 0xFF))) << 24)));
return 1;
}
int icelua_fn_common_argb_merged_to_split(lua_State *L)
{
int top = icelua_assert_stack(L, 1, 1);
uint32_t c = (uint32_t)lua_tonumber(L, 1);
lua_pushinteger(L, (c >> 24));
lua_pushinteger(L, (c >> 16) & 0xFF);
lua_pushinteger(L, (c >> 8) & 0xFF);
lua_pushinteger(L, (c) & 0xFF);
return 4;
}
int icelua_fn_common_time(lua_State *L)
{
lua_pushinteger(L, time(NULL));
return 1;
}