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Cvars: Add bind_pcvar_num/float/string

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This commit is contained in:
Arkshine
2015-01-24 21:28:43 +01:00
parent 8ebb7be36d
commit cb0b9da51f
6 changed files with 244 additions and 22 deletions
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101
amxmodx/cvars.cpp
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@ -340,6 +340,103 @@ static cell AMX_NATIVE_CALL get_pcvar_bounds(AMX *amx, cell *params)
return hasBound;
}
bool bind_pcvar(CvarInfo* info, CvarBind::CvarType type, AMX* amx, cell varofs, size_t varlen = 0)
{
if (varofs > amx->hlw) // If variable address is not inside global area, we can't bind it.
{
LogError(amx, AMX_ERR_NATIVE, "A global variable must be provided");
return false;
}
int pluginId = g_plugins.findPluginFast(amx)->getId();
cell* address = get_amxaddr(amx, varofs);
// To avoid unexpected behavior, probably better to error such situations.
for (size_t i = 0; i < info->binds.length(); ++i)
{
CvarBind* bind = info->binds[i];
if (bind->pluginId == pluginId)
{
if (bind->varAddress == address)
{
LogError(amx, AMX_ERR_NATIVE, "A same variable can't be binded with several cvars");
}
else
{
LogError(amx, AMX_ERR_NATIVE, "A cvar can't be binded with several variables");
}
return false;
}
}
CvarBind* bind = new CvarBind(pluginId, type, get_amxaddr(amx, varofs), varlen);
info->binds.append(bind);
// Update right away variable with current cvar value.
switch (type)
{
case CvarBind::CvarType_Int:
*bind->varAddress = atoi(info->var->string);
break;
case CvarBind::CvarType_Float:
*bind->varAddress = amx_ftoc(info->var->value);
break;
case CvarBind::CvarType_String:
set_amxstring_simple(bind->varAddress, info->var->string, bind->varLength);
break;
}
return true;
}
// bind_pcvar_float(pcvar, &Float:var)
static cell AMX_NATIVE_CALL bind_pcvar_float(AMX *amx, cell *params)
{
cvar_t *ptr = reinterpret_cast<cvar_t *>(params[1]);
CvarInfo* info = nullptr;
if (!ptr || !(info = g_CvarManager.FindCvar(ptr->name)))
{
LogError(amx, AMX_ERR_NATIVE, "Invalid CVAR pointer");
return 0;
}
return bind_pcvar(info, CvarBind::CvarType_Float, amx, params[2]);
}
// bind_pcvar_num(pcvar, &any:var)
static cell AMX_NATIVE_CALL bind_pcvar_num(AMX *amx, cell *params)
{
cvar_t *ptr = reinterpret_cast<cvar_t *>(params[1]);
CvarInfo* info = nullptr;
if (!ptr || !(info = g_CvarManager.FindCvar(ptr->name)))
{
LogError(amx, AMX_ERR_NATIVE, "Invalid CVAR pointer");
return 0;
}
return bind_pcvar(info, CvarBind::CvarType_Int, amx, params[2]);
}
// bind_pcvar_string(pcvar, any:var[], varlen)
static cell AMX_NATIVE_CALL bind_pcvar_string(AMX *amx, cell *params)
{
cvar_t *ptr = reinterpret_cast<cvar_t *>(params[1]);
CvarInfo* info = nullptr;
if (!ptr || !(info = g_CvarManager.FindCvar(ptr->name)))
{
LogError(amx, AMX_ERR_NATIVE, "Invalid CVAR pointer");
return 0;
}
return bind_pcvar(info, CvarBind::CvarType_String, amx, params[2], params[3]);
}
// set_pcvar_flags(pcvar, flags)
static cell AMX_NATIVE_CALL set_pcvar_flags(AMX *amx, cell *params)
{
@ -613,6 +710,10 @@ AMX_NATIVE_INFO g_CvarNatives[] =
{"remove_cvar_flags", remove_cvar_flags},
{"bind_pcvar_float", bind_pcvar_float},
{"bind_pcvar_num", bind_pcvar_num},
{"bind_pcvar_string", bind_pcvar_string},
{"get_plugins_cvar", get_plugins_cvar},
{"get_plugins_cvarsnum", get_plugins_cvarsnum},