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/**
* @file
* @brief User interaction with env.show.
**/
#include "AppHdr.h"
#include "l_libs.h"
#include "l_defs.h"
#include "cluautil.h"
#include "cloud.h"
#include "coord.h"
#include "env.h"
#include "mon-death.h"
#include "player.h"
#include "religion.h"
#include "terrain.h"
#include "travel.h"
#include "strings.h"
#include "view.h"
LUAFN(view_feature_at)
{
COORDSHOW(s, 1, 2)
const coord_def p = player2grid(s);
if (!map_bounds(p))
{
lua_pushnil(ls);
return 1;
}
dungeon_feature_type f = env.map_knowledge(p).feat();
lua_pushstring(ls, dungeon_feature_name(f));
return 1;
}
LUAFN(view_is_safe_square)
{
COORDSHOW(s, 1, 2)
const coord_def p = player2grid(s);
if (!map_bounds(p))
{
PLUARET(boolean, false);
return 1;
}
cloud_type c = env.map_knowledge(p).cloud();
if (c != CLOUD_NONE
&& is_damaging_cloud(c, true)
&& (!you_worship(GOD_QAZLAL)
|| player_under_penance()
|| !YOU_KILL(env.map_knowledge(p).cloudinfo()->killer)))
{
PLUARET(boolean, false);
return 1;
}
trap_type t = env.map_knowledge(p).trap();
if (t != TRAP_UNASSIGNED)
{
trap_def trap;
trap.type = t;
trap.ammo_qty = 1;
PLUARET(boolean, trap.is_safe());
return 1;
}
dungeon_feature_type f = env.map_knowledge(p).feat();
if (f != DNGN_UNSEEN && !feat_is_traversable_now(f)
|| f == DNGN_RUNED_DOOR)
{
PLUARET(boolean, false);
return 1;
}
PLUARET(boolean, true);
return 1;
}
LUAFN(view_can_reach)
{
COORDSHOW(s, 1, 2)
const int x_distance = abs(s.x);
const int y_distance = abs(s.y);
if (x_distance > 2 || y_distance > 2)
{
PLUARET(boolean, false);
return 1;
}
if (x_distance < 2 && y_distance < 2)
{
PLUARET(boolean, true);
return 1;
}
const coord_def first_middle(s.x/2,s.y/2);
const coord_def second_middle(s.x - s.x/2, s.y - s.y/2);
if (!feat_is_reachable_past(grd(player2grid(first_middle)))
&& !feat_is_reachable_past(grd(player2grid(second_middle))))
{
PLUARET(boolean, false);
return 1;
}
PLUARET(boolean, true);
return 1;
}
LUAFN(view_withheld)
{
COORDSHOW(s, 1, 2)
const coord_def p = player2grid(s);
if (!map_bounds(p))
{
PLUARET(boolean, false);
return 1;
}
PLUARET(boolean, env.map_knowledge(p).flags & MAP_WITHHELD);
return 1;
}
LUAFN(view_update_monsters)
{
update_monsters_in_view();
return 0;
}
static const struct luaL_reg view_lib[] =
{
{ "feature_at", view_feature_at },
{ "is_safe_square", view_is_safe_square },
{ "can_reach", view_can_reach },
{ "withheld", view_withheld },
{ "update_monsters", view_update_monsters },
{ NULL, NULL }
};
void cluaopen_view(lua_State *ls)
{
luaL_openlib(ls, "view", view_lib, 0);
}
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