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Fix more bugs in the Lua API

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Crash with sim.partKill(large number).
sim.neighbours() looking for particles in completely the wrong place.
Impossible to tell from sim.partID whether a particle exists, since it returns 0 both if there is no particle there and if particle 0 is there.
This commit is contained in:
jacksonmj 2014-03-04 23:00:53 +00:00
parent 4152bb560e
commit a5ea6555f1
1 changed files with 11 additions and 4 deletions
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15
src/lua/LuaScriptInterface.cpp
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@ -645,7 +645,10 @@ int LuaScriptInterface::simulation_partID(lua_State * l)
int amalgam = luacon_sim->pmap[y][x];
if(!amalgam)
amalgam = luacon_sim->photons[y][x];
lua_pushinteger(l, amalgam >> 8);
if (!amalgam)
lua_pushnil(l);
else
lua_pushinteger(l, amalgam >> 8);
return 1;
}
@ -796,7 +799,11 @@ int LuaScriptInterface::simulation_partKill(lua_State * l)
if(lua_gettop(l)==2)
luacon_sim->delete_part(lua_tointeger(l, 1), lua_tointeger(l, 2));
else
luacon_sim->kill_part(lua_tointeger(l, 1));
{
int i = lua_tointeger(l, 1);
if (i>=0 && i<NPART)
luacon_sim->kill_part(i);
}
return 0;
}
@ -1599,7 +1606,7 @@ int LuaScriptInterface::simulation_pmap(lua_State * l)
if(x < 0 || x >= XRES || y < 0 || y >= YRES)
return luaL_error(l, "coordinates out of range (%d,%d)", x, y);
r=luacon_sim->pmap[y][x];
if(!r&0xFF)
if(!(r&0xFF))
return 0;
lua_pushnumber(l, r>>8);
return 1;
@ -1629,7 +1636,7 @@ int NeighboursClosure(lua_State * l)
{
continue;
}
i=luacon_sim->pmap[y+sx][x+sx];
i=luacon_sim->pmap[y+sy][x+sx];
} while(!(i&0xFF));
lua_pushnumber(l, x);
lua_replace(l, lua_upvalueindex(5));