From f91489bcb68b409a8349ed8b901be448ee4ca4ce Mon Sep 17 00:00:00 2001
From: GoldenTails <milestailsprower101n2@gmail.com>
Date: Sat, 23 May 2020 17:06:10 -0500
Subject: [PATCH] Make the colormap returned by v.getColormap() writable.
I mean it was already readable anyway...
---
src/lua_hudlib.c | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/src/lua_hudlib.c b/src/lua_hudlib.c
index e58cd4a584..0da0cb662e 100644
--- a/src/lua_hudlib.c
+++ b/src/lua_hudlib.c
@@ -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);
--
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