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https://git.do.srb2.org/STJr/SRB2.git
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416 lines
8.9 KiB
C
416 lines
8.9 KiB
C
// SONIC ROBO BLAST 2
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//-----------------------------------------------------------------------------
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// Copyright (C) 2014-2016 by John "JTE" Muniz.
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// Copyright (C) 2014-2021 by Sonic Team Junior.
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//
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// This program is free software distributed under the
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// terms of the GNU General Public License, version 2.
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// See the 'LICENSE' file for more details.
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//-----------------------------------------------------------------------------
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/// \file lua_skinlib.c
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/// \brief player skin structure library for Lua scripting
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#include "doomdef.h"
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#include "fastcmp.h"
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#include "r_skins.h"
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#include "sounds.h"
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#include "lua_script.h"
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#include "lua_libs.h"
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enum skin {
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skin_valid = 0,
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skin_name,
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skin_wadnum,
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skin_flags,
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skin_realname,
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skin_hudname,
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skin_ability,
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skin_ability2,
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skin_thokitem,
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skin_spinitem,
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skin_revitem,
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skin_followitem,
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skin_actionspd,
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skin_mindash,
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skin_maxdash,
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skin_normalspeed,
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skin_runspeed,
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skin_thrustfactor,
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skin_accelstart,
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skin_acceleration,
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skin_jumpfactor,
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skin_radius,
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skin_height,
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skin_spinheight,
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skin_shieldscale,
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skin_camerascale,
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skin_starttranscolor,
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skin_prefcolor,
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skin_supercolor,
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skin_prefoppositecolor,
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skin_highresscale,
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skin_contspeed,
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skin_contangle,
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skin_soundsid,
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skin_availability,
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skin_sprites
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};
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static const char *const skin_opt[] = {
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"valid",
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"name",
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"wadnum",
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"flags",
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"realname",
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"hudname",
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"ability",
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"ability2",
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"thokitem",
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"spinitem",
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"revitem",
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"followitem",
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"actionspd",
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"mindash",
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"maxdash",
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"normalspeed",
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"runspeed",
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"thrustfactor",
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"accelstart",
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"acceleration",
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"jumpfactor",
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"radius",
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"height",
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"spinheight",
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"shieldscale",
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"camerascale",
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"starttranscolor",
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"prefcolor",
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"supercolor",
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"prefoppositecolor",
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"highresscale",
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"contspeed",
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"contangle",
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"soundsid",
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"availability",
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"sprites",
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NULL};
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#define UNIMPLEMENTED luaL_error(L, LUA_QL("skin_t") " field " LUA_QS " is not implemented for Lua and cannot be accessed.", skin_opt[field])
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static int skin_get(lua_State *L)
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{
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skin_t *skin = *((skin_t **)luaL_checkudata(L, 1, META_SKIN));
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enum skin field = luaL_checkoption(L, 2, NULL, skin_opt);
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// skins are always valid, only added, never removed
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I_Assert(skin != NULL);
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switch (field)
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{
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case skin_valid:
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lua_pushboolean(L, skin != NULL);
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break;
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case skin_name:
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lua_pushstring(L, skin->name);
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break;
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case skin_wadnum:
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// !!WARNING!! May differ between clients due to music wads, therefore NOT NETWORK SAFE
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return UNIMPLEMENTED;
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case skin_flags:
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lua_pushinteger(L, skin->flags);
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break;
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case skin_realname:
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lua_pushstring(L, skin->realname);
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break;
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case skin_hudname:
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lua_pushstring(L, skin->hudname);
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break;
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case skin_ability:
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lua_pushinteger(L, skin->ability);
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break;
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case skin_ability2:
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lua_pushinteger(L, skin->ability2);
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break;
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case skin_thokitem:
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lua_pushinteger(L, skin->thokitem);
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break;
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case skin_spinitem:
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lua_pushinteger(L, skin->spinitem);
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break;
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case skin_revitem:
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lua_pushinteger(L, skin->revitem);
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break;
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case skin_followitem:
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lua_pushinteger(L, skin->followitem);
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break;
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case skin_actionspd:
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lua_pushfixed(L, skin->actionspd);
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break;
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case skin_mindash:
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lua_pushfixed(L, skin->mindash);
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break;
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case skin_maxdash:
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lua_pushfixed(L, skin->maxdash);
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break;
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case skin_normalspeed:
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lua_pushfixed(L, skin->normalspeed);
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break;
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case skin_runspeed:
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lua_pushfixed(L, skin->runspeed);
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break;
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case skin_thrustfactor:
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lua_pushinteger(L, skin->thrustfactor);
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break;
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case skin_accelstart:
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lua_pushinteger(L, skin->accelstart);
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break;
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case skin_acceleration:
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lua_pushinteger(L, skin->acceleration);
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break;
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case skin_jumpfactor:
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lua_pushfixed(L, skin->jumpfactor);
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break;
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case skin_radius:
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lua_pushfixed(L, skin->radius);
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break;
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case skin_height:
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lua_pushfixed(L, skin->height);
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break;
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case skin_spinheight:
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lua_pushfixed(L, skin->spinheight);
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break;
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case skin_shieldscale:
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lua_pushfixed(L, skin->shieldscale);
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break;
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case skin_camerascale:
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lua_pushfixed(L, skin->camerascale);
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break;
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case skin_starttranscolor:
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lua_pushinteger(L, skin->starttranscolor);
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break;
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case skin_prefcolor:
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lua_pushinteger(L, skin->prefcolor);
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break;
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case skin_supercolor:
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lua_pushinteger(L, skin->supercolor);
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break;
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case skin_prefoppositecolor:
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lua_pushinteger(L, skin->prefoppositecolor);
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break;
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case skin_highresscale:
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lua_pushinteger(L, skin->highresscale);
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break;
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case skin_contspeed:
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lua_pushinteger(L, skin->contspeed);
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break;
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case skin_contangle:
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lua_pushinteger(L, skin->contangle);
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break;
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case skin_soundsid:
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LUA_PushUserdata(L, skin->soundsid, META_SOUNDSID);
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break;
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case skin_availability:
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lua_pushinteger(L, skin->availability);
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break;
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case skin_sprites:
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LUA_PushUserdata(L, skin->sprites, META_SKINSPRITES);
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break;
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}
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return 1;
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}
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static int skin_set(lua_State *L)
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{
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return luaL_error(L, LUA_QL("skin_t") " struct cannot be edited by Lua.");
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}
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static int skin_num(lua_State *L)
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{
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skin_t *skin = *((skin_t **)luaL_checkudata(L, 1, META_SKIN));
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// skins are always valid, only added, never removed
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I_Assert(skin != NULL);
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lua_pushinteger(L, skin-skins);
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return 1;
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}
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static int lib_iterateSkins(lua_State *L)
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{
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INT32 i;
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if (lua_gettop(L) < 2)
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{
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//return luaL_error(L, "Don't call skins.iterate() directly, use it as 'for skin in skins.iterate do <block> end'.");
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lua_pushcfunction(L, lib_iterateSkins);
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return 1;
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}
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lua_settop(L, 2);
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lua_remove(L, 1); // state is unused.
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if (!lua_isnil(L, 1))
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i = (INT32)(*((skin_t **)luaL_checkudata(L, 1, META_SKIN)) - skins) + 1;
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else
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i = 0;
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// skins are always valid, only added, never removed
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if (i < numskins)
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{
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LUA_PushUserdata(L, &skins[i], META_SKIN);
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return 1;
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}
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return 0;
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}
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static int lib_getSkin(lua_State *L)
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{
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const char *field;
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INT32 i;
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// find skin by number
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if (lua_type(L, 2) == LUA_TNUMBER)
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{
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i = luaL_checkinteger(L, 2);
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if (i < 0 || i >= MAXSKINS)
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return luaL_error(L, "skins[] index %d out of range (0 - %d)", i, MAXSKINS-1);
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if (i >= numskins)
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return 0;
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LUA_PushUserdata(L, &skins[i], META_SKIN);
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return 1;
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}
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field = luaL_checkstring(L, 2);
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// special function iterate
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if (fastcmp(field,"iterate"))
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{
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lua_pushcfunction(L, lib_iterateSkins);
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return 1;
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}
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// find skin by name
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for (i = 0; i < numskins; i++)
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if (fastcmp(skins[i].name, field))
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{
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LUA_PushUserdata(L, &skins[i], META_SKIN);
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return 1;
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}
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return 0;
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}
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static int lib_numSkins(lua_State *L)
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{
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lua_pushinteger(L, numskins);
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return 1;
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}
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// soundsid, i -> soundsid[i]
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static int soundsid_get(lua_State *L)
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{
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sfxenum_t *soundsid = *((sfxenum_t **)luaL_checkudata(L, 1, META_SOUNDSID));
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skinsound_t i = luaL_checkinteger(L, 2);
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if (i >= NUMSKINSOUNDS)
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return luaL_error(L, LUA_QL("skinsound_t") " cannot be %u", i);
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lua_pushinteger(L, soundsid[i]);
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return 1;
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}
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// #soundsid -> NUMSKINSOUNDS
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static int soundsid_num(lua_State *L)
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{
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lua_pushinteger(L, NUMSKINSOUNDS);
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return 1;
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}
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enum spritesopt {
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numframes = 0
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};
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static const char *const sprites_opt[] = {
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"numframes",
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NULL};
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// skin.sprites[i] -> sprites[i]
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static int lib_getSkinSprite(lua_State *L)
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{
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spritedef_t *sprites = *(spritedef_t **)luaL_checkudata(L, 1, META_SKINSPRITES);
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playersprite_t i = luaL_checkinteger(L, 2);
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if (i < 0 || i >= NUMPLAYERSPRITES*2)
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return luaL_error(L, LUA_QL("skin_t") " field 'sprites' index %d out of range (0 - %d)", i, (NUMPLAYERSPRITES*2)-1);
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LUA_PushUserdata(L, &sprites[i], META_SKINSPRITESLIST);
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return 1;
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}
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// #skin.sprites -> NUMPLAYERSPRITES*2
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static int lib_numSkinsSprites(lua_State *L)
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{
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lua_pushinteger(L, NUMPLAYERSPRITES*2);
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return 1;
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}
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static int sprite_get(lua_State *L)
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{
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spritedef_t *sprite = *(spritedef_t **)luaL_checkudata(L, 1, META_SKINSPRITESLIST);
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enum spritesopt field = luaL_checkoption(L, 2, NULL, sprites_opt);
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switch (field)
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{
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case numframes:
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lua_pushinteger(L, sprite->numframes);
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break;
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}
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return 1;
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}
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int LUA_SkinLib(lua_State *L)
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{
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luaL_newmetatable(L, META_SKIN);
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lua_pushcfunction(L, skin_get);
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lua_setfield(L, -2, "__index");
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lua_pushcfunction(L, skin_set);
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lua_setfield(L, -2, "__newindex");
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lua_pushcfunction(L, skin_num);
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lua_setfield(L, -2, "__len");
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lua_pop(L,1);
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luaL_newmetatable(L, META_SOUNDSID);
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lua_pushcfunction(L, soundsid_get);
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lua_setfield(L, -2, "__index");
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lua_pushcfunction(L, soundsid_num);
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lua_setfield(L, -2, "__len");
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lua_pop(L,1);
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luaL_newmetatable(L, META_SKINSPRITES);
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lua_pushcfunction(L, lib_getSkinSprite);
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lua_setfield(L, -2, "__index");
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lua_pushcfunction(L, lib_numSkinsSprites);
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lua_setfield(L, -2, "__len");
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lua_pop(L,1);
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luaL_newmetatable(L, META_SKINSPRITESLIST);
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lua_pushcfunction(L, sprite_get);
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lua_setfield(L, -2, "__index");
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lua_pop(L,1);
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lua_newuserdata(L, 0);
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lua_createtable(L, 0, 2);
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lua_pushcfunction(L, lib_getSkin);
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lua_setfield(L, -2, "__index");
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lua_pushcfunction(L, lib_numSkins);
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lua_setfield(L, -2, "__len");
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lua_setmetatable(L, -2);
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lua_setglobal(L, "skins");
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return 0;
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}
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