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lua_maplib.c changes now that polyobj_t is supported:

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* added line.polyobj for line_t
* added subsector.polyList iteration function, for iterating polyobjs in a subsector
* added seg.polyseg for seg_t, in case we ever reenable support for segs/nodes
This commit is contained in:
Monster Iestyn 2020-09-09 17:31:44 +01:00
parent 89e989d6b1
commit 5f91833701
1 changed files with 56 additions and 3 deletions
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59
src/lua_maplib.c
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@ -16,6 +16,7 @@
#include "p_setup.h"
#include "z_zone.h"
#include "p_slopes.h"
#include "p_polyobj.h"
#include "r_main.h"
#include "lua_script.h"
@ -67,6 +68,7 @@ enum subsector_e {
subsector_sector,
subsector_numlines,
subsector_firstline,
subsector_polyList
};
static const char *const subsector_opt[] = {
@ -74,6 +76,7 @@ static const char *const subsector_opt[] = {
"sector",
"numlines",
"firstline",
"polyList",
NULL};
enum line_e {
@ -97,6 +100,7 @@ enum line_e {
line_backsector,
line_firsttag,
line_nexttag,
line_polyobj,
line_text,
line_callcount
};
@ -122,6 +126,7 @@ static const char *const line_opt[] = {
"backsector",
"firsttag",
"nexttag",
"polyobj",
"text",
"callcount",
NULL};
@ -222,6 +227,7 @@ enum seg_e {
seg_linedef,
seg_frontsector,
seg_backsector,
seg_polyseg
};
static const char *const seg_opt[] = {
@ -235,6 +241,7 @@ static const char *const seg_opt[] = {
"linedef",
"frontsector",
"backsector",
"polyseg",
NULL};
enum node_e {
@ -324,9 +331,9 @@ static const char *const vector_opt[] = {
static const char *const array_opt[] ={"iterate",NULL};
static const char *const valid_opt[] ={"valid",NULL};
///////////////////////////////////
// sector list iterate functions //
///////////////////////////////////
/////////////////////////////////////////////
// sector/subsector list iterate functions //
/////////////////////////////////////////////
// iterates through a sector's thinglist!
static int lib_iterateSectorThinglist(lua_State *L)
@ -398,6 +405,41 @@ static int lib_iterateSectorFFloors(lua_State *L)
return 0;
}
// iterates through a subsector's polyList! (for polyobj_t)
static int lib_iterateSubSectorPolylist(lua_State *L)
{
polyobj_t *state = NULL;
polyobj_t *po = NULL;
INLEVEL
if (lua_gettop(L) < 2)
return luaL_error(L, "Don't call subsector.polyList() directly, use it as 'for polyobj in subsector.polyList do <block> end'.");
if (!lua_isnil(L, 1))
state = *((polyobj_t **)luaL_checkudata(L, 1, META_POLYOBJ));
else
return 0; // no polylist to iterate through sorry!
lua_settop(L, 2);
lua_remove(L, 1); // remove state now.
if (!lua_isnil(L, 1))
{
po = *((polyobj_t **)luaL_checkudata(L, 1, META_POLYOBJ));
po = (polyobj_t *)(po->link.next);
}
else
po = state; // state is used as the "start" of the polylist
if (po)
{
LUA_PushUserdata(L, po, META_POLYOBJ);
return 1;
}
return 0;
}
static int sector_iterate(lua_State *L)
{
lua_pushvalue(L, lua_upvalueindex(1)); // iterator function, or the "generator"
@ -684,6 +726,11 @@ static int subsector_get(lua_State *L)
case subsector_firstline:
lua_pushinteger(L, subsector->firstline);
return 1;
case subsector_polyList: // polyList
lua_pushcfunction(L, lib_iterateSubSectorPolylist);
LUA_PushUserdata(L, subsector->polyList, META_POLYOBJ);
lua_pushcclosure(L, sector_iterate, 2); // push lib_iterateSubSectorPolylist and subsector->polyList as upvalues for the function
return 1;
}
return 0;
}
@ -827,6 +874,9 @@ static int line_get(lua_State *L)
case line_nexttag:
lua_pushinteger(L, line->nexttag);
return 1;
case line_polyobj:
LUA_PushUserdata(L, line->polyobj, META_POLYOBJ);
return 1;
case line_text:
lua_pushstring(L, line->text);
return 1;
@ -1089,6 +1139,9 @@ static int seg_get(lua_State *L)
case seg_backsector:
LUA_PushUserdata(L, seg->backsector, META_SECTOR);
return 1;
case seg_polyseg:
LUA_PushUserdata(L, seg->polyseg, META_POLYOBJ);
return 1;
}
return 0;
}