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-rw-r--r--src/scripting/lua.cpp180
1 files changed, 46 insertions, 134 deletions
diff --git a/src/scripting/lua.cpp b/src/scripting/lua.cpp
index 1c32c4fd..48404d55 100644
--- a/src/scripting/lua.cpp
+++ b/src/scripting/lua.cpp
@@ -66,15 +66,6 @@ extern "C" {
* http://doc.manasource.org/scripting
*/
-static Script *getScript(lua_State *s)
-{
- lua_pushlightuserdata(s, (void *)&registryKey);
- lua_gettable(s, LUA_REGISTRYINDEX);
- Script *script = static_cast<Script *>(lua_touserdata(s, -1));
- lua_pop(s, 1);
- return script;
-}
-
/**
* mana.on_character_death( function(Character*) ): void
@@ -345,15 +336,10 @@ static int npc_create(lua_State *s)
const int y = luaL_checkint(s, 5);
Script *t = getScript(s);
+ MapComposite *m = checkCurrentMap(s, t);
+
NPC *q = new NPC(name, id, t);
q->setGender(getGender(gender));
-
- MapComposite *m = t->getMap();
- if (!m)
- {
- raiseScriptError(s, "npc_create called outside a map.");
- return 0;
- }
q->setMap(m);
q->setPosition(Point(x, y));
GameState::enqueueInsert(q);
@@ -435,20 +421,17 @@ static int chr_warp(lua_State *s)
MapComposite *m;
if (b)
{
- m = getScript(s)->getMap();
+ m = checkCurrentMap(s);
}
else if (lua_isnumber(s, 2))
{
m = MapManager::getMap(lua_tointeger(s, 2));
+ luaL_argcheck(s, m, 2, "invalid map id");
}
else
{
m = MapManager::getMap(lua_tostring(s, 2));
- }
- if (!m)
- {
- raiseScriptError(s, "chr_warp called with a non-existing map.");
- return 0;
+ luaL_argcheck(s, m, 2, "invalid map name");
}
Map *map = m->getMap();
@@ -1008,11 +991,6 @@ static int being_damage(lua_State *s)
{
Being *being = checkBeing(s, 1);
- if (!being)
- {
- raiseScriptError(s, "being_damage called with invalid victim");
- return 0;
- }
if (!being->canFight())
{
raiseScriptError(s, "being_damage called with "
@@ -1030,10 +1008,7 @@ static int being_damage(lua_State *s)
if (lua_gettop(s) >= 7)
{
source = checkBeing(s, 7);
- if (!source)
- {
- raiseScriptError(s, "being_damage called withd invalid source");
- }
+
if (!source->canFight())
{
raiseScriptError(s, "being_damage called with "
@@ -1250,13 +1225,7 @@ static int monster_create(lua_State *s)
MonsterClass *monsterClass = checkMonsterClass(s, 1);
const int x = luaL_checkint(s, 2);
const int y = luaL_checkint(s, 3);
-
- MapComposite *m = getScript(s)->getMap();
- if (!m)
- {
- raiseScriptError(s, "monster_create called outside a map.");
- return 0;
- }
+ MapComposite *m = checkCurrentMap(s);
Monster *q = new Monster(monsterClass);
q->setMap(m);
@@ -1323,13 +1292,10 @@ static int monster_remove(lua_State *s)
static int chr_get_quest(lua_State *s)
{
Character *q = checkCharacter(s, 1);
- const char *m = luaL_checkstring(s, 2);
- if (m[0] == 0)
- {
- raiseScriptError(s, "chr_get_quest called with empty string.");
- return 0;
- }
- std::string value, name = m;
+ const char *name = luaL_checkstring(s, 2);
+ luaL_argcheck(s, name[0] != 0, 2, "empty variable name");
+
+ std::string value;
bool res = getQuestVar(q, name, value);
if (res)
{
@@ -1347,14 +1313,11 @@ static int chr_get_quest(lua_State *s)
*/
static int getvar_map(lua_State *s)
{
- const char *m = luaL_checkstring(s, 1);
- if (m[0] == 0)
- {
- raiseScriptError(s, "getvar_map called for unnamed variable.");
- return 0;
- }
+ const char *name = luaL_checkstring(s, 1);
+ luaL_argcheck(s, name[0] != 0, 1, "empty variable name");
- std::string value = getScript(s)->getMap()->getVariable(m);
+ MapComposite *map = checkCurrentMap(s);
+ std::string value = map->getVariable(name);
lua_pushstring(s, value.c_str());
return 1;
@@ -1366,16 +1329,12 @@ static int getvar_map(lua_State *s)
*/
static int setvar_map(lua_State *s)
{
- const char *m = luaL_checkstring(s, 1);
- if (m[0] == 0)
- {
- raiseScriptError(s, "setvar_map called for unnamed variable.");
- return 0;
- }
+ const char *name = luaL_checkstring(s, 1);
+ const char *value = luaL_checkstring(s, 2);
+ luaL_argcheck(s, name[0] != 0, 1, "empty variable name");
- std::string key = m;
- std::string value = lua_tostring(s, 2);
- getScript(s)->getMap()->setVariable(key, value);
+ MapComposite *map = checkCurrentMap(s);
+ map->setVariable(name, value);
return 0;
}
@@ -1386,15 +1345,10 @@ static int setvar_map(lua_State *s)
*/
static int getvar_world(lua_State *s)
{
- const char *m = luaL_checkstring(s, 1);
- if (m[0] == 0)
- {
- raiseScriptError(s, "getvar_world called for unnamed variable.");
- return 0;
- }
-
- std::string value = GameState::getVariable(m);
+ const char *name = luaL_checkstring(s, 1);
+ luaL_argcheck(s, name[0] != 0, 1, "empty variable name");
+ std::string value = GameState::getVariable(name);
lua_pushstring(s, value.c_str());
return 1;
}
@@ -1405,17 +1359,11 @@ static int getvar_world(lua_State *s)
*/
static int setvar_world(lua_State *s)
{
- const char *m = luaL_checkstring(s, 1);
- if (m[0] == 0)
- {
- raiseScriptError(s, "setvar_world called with unnamed variable.");
- return 0;
- }
-
- std::string key = lua_tostring(s, 1);
- std::string value = lua_tostring(s, 2);
- GameState::setVariable(key, value);
+ const char *name = luaL_checkstring(s, 1);
+ const char *value = luaL_checkstring(s, 2);
+ luaL_argcheck(s, name[0] != 0, 1, "empty variable name");
+ GameState::setVariable(name, value);
return 0;
}
@@ -1426,14 +1374,11 @@ static int setvar_world(lua_State *s)
static int chr_set_quest(lua_State *s)
{
Character *q = checkCharacter(s, 1);
- const char *m = luaL_checkstring(s, 2);
- const char *n = luaL_checkstring(s, 3);
- if (m[0] == 0 || strlen(m) == 0)
- {
- raiseScriptError(s, "chr_set_quest called with incorrect parameters.");
- return 0;
- }
- setQuestVar(q, m, n);
+ const char *name = luaL_checkstring(s, 2);
+ const char *value = luaL_checkstring(s, 3);
+ luaL_argcheck(s, name[0] != 0, 2, "empty variable name");
+
+ setQuestVar(q, name, value);
return 0;
}
@@ -1459,13 +1404,7 @@ static int trigger_create(lua_State *s)
}
Script *script = getScript(s);
- MapComposite *m = script->getMap();
-
- if (!m)
- {
- raiseScriptError(s, "trigger_create called for nonexistent a map.");
- return 0;
- }
+ MapComposite *m = checkCurrentMap(s, script);
const bool once = lua_toboolean(s, 7);
@@ -1523,7 +1462,7 @@ static int get_beings_in_circle(lua_State *s)
r = luaL_checkint(s, 3);
}
- MapComposite *m = getScript(s)->getMap();
+ MapComposite *m = checkCurrentMap(s);
//create a lua table with the beings in the given area.
lua_newtable(s);
@@ -1561,7 +1500,7 @@ static int get_beings_in_rectangle(lua_State *s)
const int w = luaL_checkint(s, 3);
const int h = luaL_checkint(s, 4);
- MapComposite *m = getScript(s)->getMap();
+ MapComposite *m = checkCurrentMap(s);
//create a lua table with the beings in the given area.
lua_newtable(s);
@@ -1618,19 +1557,18 @@ static int effect_create(lua_State *s)
{
const int id = luaL_checkint(s, 1);
- MapComposite *m = getScript(s)->getMap();
-
if (lua_isuserdata(s, 2))
{
// being mode
Being *b = checkBeing(s, 2);
- Effects::show(id, m, b);
+ Effects::show(id, m, b->getMap());
}
else
{
// positional mode
int x = luaL_checkint(s, 2);
int y = luaL_checkint(s, 3);
+ MapComposite *m = checkCurrentMap(s);
Effects::show(id, m, Point(x, y));
}
@@ -1912,14 +1850,8 @@ static int test_tableget(lua_State *s)
*/
static int get_map_id(lua_State *s)
{
- MapComposite *m = getScript(s)->getMap();
- if (!m)
- {
- raiseScriptError(s, "get_map_id called outside a map.");
- return 0;
- }
- int id = m->getID();
- lua_pushinteger(s, id);
+ MapComposite *m = checkCurrentMap(s);
+ lua_pushinteger(s, m->getID());
return 1;
}
@@ -1930,17 +1862,10 @@ static int get_map_id(lua_State *s)
static int get_map_property(lua_State *s)
{
const char *property = luaL_checkstring(s, 1);
- MapComposite *m = getScript(s)->getMap();
- if (!m)
- {
- raiseScriptError(s, "get_map_property called outside a map.");
- return 0;
- }
- Map *map = m->getMap();
- std::string value = map->getProperty(property);
- const char *v = &value[0];
+ Map *map = checkCurrentMap(s)->getMap();
- lua_pushstring(s, v);
+ std::string value = map->getProperty(property);
+ lua_pushstring(s, value.c_str());
return 1;
}
@@ -1952,14 +1877,7 @@ static int is_walkable(lua_State *s)
{
const int x = luaL_checkint(s, 1);
const int y = luaL_checkint(s, 2);
-
- MapComposite *m = getScript(s)->getMap();
- if (!m)
- {
- raiseScriptError(s, "is_walkable called outside a map.");
- return 0;
- }
- Map *map = m->getMap();
+ Map *map = checkCurrentMap(s)->getMap();
// If the wanted warp place is unwalkable
if (map->getWalk(x / map->getTileWidth(), y / map->getTileHeight()))
@@ -1972,12 +1890,7 @@ static int is_walkable(lua_State *s)
static int map_get_pvp(lua_State *s)
{
- MapComposite *m = getScript(s)->getMap();
- if (!m)
- {
- raiseScriptError(s, "map_get_pvp called outside a map.");
- return 0;
- }
+ MapComposite *m = checkCurrentMap(s);
lua_pushinteger(s, m->getPvP());
return 1;
}
@@ -2002,11 +1915,10 @@ static int item_drop(lua_State *s)
const int y = luaL_checkint(s, 2);
ItemClass *ic = checkItemClass(s, 3);
const int number = luaL_optint(s, 4, 1);
+ MapComposite *map = checkCurrentMap(s);
Item *i = new Item(ic, number);
- MapComposite *map = getScript(s)->getMap();
-
i->setMap(map);
Point pos(x, y);
i->setPosition(pos);
@@ -2098,7 +2010,7 @@ static int map_get_objects(lua_State *s)
filter = luaL_checkstring(s, 1);
}
- MapComposite *m = getScript(s)->getMap();
+ MapComposite *m = checkCurrentMap(s);
const std::vector<MapObject*> &objects = m->getMap()->getObjects();
if (!filtered)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-07-08 12:31:11 +0000