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author | kwolekr <kwolekr@minetest.net> | 2014-02-09 12:38:50 -0500 |
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committer | kwolekr <kwolekr@minetest.net> | 2014-02-09 12:44:31 -0500 |
commit | 2a01050a0cf0826f25240e2cb407535394ee360f (patch) | |
tree | bb6d3fd3b27be094db7e885adc5ac25dc5e45139 /src/script/common | |
parent | 57710520dca6bce175a6be48989e0a4689b1404e (diff) | |
download | minetest-2a01050a0cf0826f25240e2cb407535394ee360f.tar.gz minetest-2a01050a0cf0826f25240e2cb407535394ee360f.tar.bz2 minetest-2a01050a0cf0826f25240e2cb407535394ee360f.zip |
Add capability to read table flag fields from Lua API
Diffstat (limited to 'src/script/common')
-rw-r--r-- | src/script/common/c_content.cpp | 41 | ||||
-rw-r--r-- | src/script/common/c_content.h | 3 |
2 files changed, 42 insertions, 2 deletions
diff --git a/src/script/common/c_content.cpp b/src/script/common/c_content.cpp index d1e182f9f..4e26dc245 100644 --- a/src/script/common/c_content.cpp +++ b/src/script/common/c_content.cpp @@ -842,8 +842,45 @@ void push_hit_params(lua_State *L,const HitParams ¶ms) u32 getflagsfield(lua_State *L, int table, const char *fieldname, FlagDesc *flagdesc, u32 *flagmask) { - std::string flagstring = getstringfield_default(L, table, fieldname, ""); - return readFlagString(flagstring, flagdesc, flagmask); + u32 flags = 0; + + lua_getfield(L, table, fieldname); + + if (lua_isstring(L, -1)) { + std::string flagstr = lua_tostring(L, -1); + flags = readFlagString(flagstr, flagdesc, flagmask); + } else if (lua_istable(L, -1)) { + flags = read_flags_table(L, -1, flagdesc, flagmask); + } + + lua_pop(L, 1); + + return flags; +} + +u32 read_flags_table(lua_State *L, int table, FlagDesc *flagdesc, u32 *flagmask) +{ + u32 flags = 0, mask = 0; + char fnamebuf[64] = "no"; + + for (int i = 0; flagdesc[i].name; i++) { + bool result; + + if (getboolfield(L, table, flagdesc[i].name, result)) { + mask |= flagdesc[i].flag; + if (result) + flags |= flagdesc[i].flag; + } + + strlcpy(fnamebuf + 2, flagdesc[i].name, sizeof(fnamebuf) - 2); + if (getboolfield(L, table, fnamebuf, result)) + mask |= flagdesc[i].flag; + } + + if (flagmask) + *flagmask = mask; + + return flags; } /******************************************************************************/ diff --git a/src/script/common/c_content.h b/src/script/common/c_content.h index a89de1aad..61617d7ab 100644 --- a/src/script/common/c_content.h +++ b/src/script/common/c_content.h @@ -123,6 +123,9 @@ u32 getflagsfield (lua_State *L, int table, const char *fieldname, FlagDesc *flagdesc, u32 *flagmask); +u32 read_flags_table (lua_State *L, int table, + FlagDesc *flagdesc, u32 *flagmask); + void push_items (lua_State *L, const std::vector<ItemStack> &items); |