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Make the colormap returned by v.getColormap() writable.

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I mean it was already readable anyway...
This commit is contained in:
GoldenTails 2020-05-23 17:06:10 -05:00
parent 760e083c30
commit f91489bcb6
1 changed files with 14 additions and 1 deletions
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15
src/lua_hudlib.c
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@ -277,7 +277,7 @@ static int hudinfo_num(lua_State *L)
static int colormap_get(lua_State *L)
{
const UINT8 *colormap = *((UINT8 **)luaL_checkudata(L, 1, META_COLORMAP));
UINT8 *colormap = *((UINT8 **)luaL_checkudata(L, 1, META_COLORMAP));
UINT32 i = luaL_checkinteger(L, 2);
if (i >= 256)
return luaL_error(L, "colormap index %d out of range (0 - %d)", i, 255);
@ -285,6 +285,16 @@ static int colormap_get(lua_State *L)
return 1;
}
static int colormap_set(lua_State *L)
{
UINT8 *colormap = *((UINT8 **)luaL_checkudata(L, 1, META_COLORMAP));
UINT32 i = luaL_checkinteger(L, 2);
if (i >= 256)
return luaL_error(L, "colormap index %d out of range (0 - %d)", i, 255);
colormap[i] = (UINT8)luaL_checkinteger(L, 3);
return 0;
}
static int patch_get(lua_State *L)
{
patch_t *patch = *((patch_t **)luaL_checkudata(L, 1, META_PATCH));
@ -1230,6 +1240,9 @@ int LUA_HudLib(lua_State *L)
luaL_newmetatable(L, META_COLORMAP);
lua_pushcfunction(L, colormap_get);
lua_setfield(L, -2, "__index");
lua_pushcfunction(L, colormap_set);
lua_setfield(L, -2, "__newindex");
lua_pop(L,1);
luaL_newmetatable(L, META_PATCH);