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Falling sand and gravel

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This commit is contained in:
Perttu Ahola 2011-11-17 16:21:17 +02:00
parent cc03718d3c
commit 1220b642eb
3 changed files with 233 additions and 55 deletions
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117
src/scriptapi.cpp
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@ -126,18 +126,16 @@ public:
static v3f readFloatPos(lua_State *L, int index)
{
v3f pos;
lua_pushvalue(L, index); // Push pos
luaL_checktype(L, -1, LUA_TTABLE);
lua_getfield(L, -1, "x");
luaL_checktype(L, index, LUA_TTABLE);
lua_getfield(L, index, "x");
pos.X = lua_tonumber(L, -1);
lua_pop(L, 1);
lua_getfield(L, -1, "y");
lua_getfield(L, index, "y");
pos.Y = lua_tonumber(L, -1);
lua_pop(L, 1);
lua_getfield(L, -1, "z");
lua_getfield(L, index, "z");
pos.Z = lua_tonumber(L, -1);
lua_pop(L, 1);
lua_pop(L, 1); // Pop pos
pos *= BS; // Scale to internal format
return pos;
}
@ -153,6 +151,18 @@ static void pushpos(lua_State *L, v3s16 p)
lua_setfield(L, -2, "z");
}
static v3s16 readpos(lua_State *L, int index)
{
v3s16 p;
lua_getfield(L, index, "x");
p.X = lua_tonumber(L, -1);
lua_getfield(L, index, "y");
p.Y = lua_tonumber(L, -1);
lua_getfield(L, index, "z");
p.Z = lua_tonumber(L, -1);
return p;
}
static void pushnode(lua_State *L, const MapNode &n, INodeDefManager *ndef)
{
lua_newtable(L);
@ -169,11 +179,19 @@ static MapNode readnode(lua_State *L, int index, INodeDefManager *ndef)
lua_getfield(L, index, "name");
const char *name = lua_tostring(L, -1);
lua_pop(L, 1);
u8 param1;
lua_getfield(L, index, "param1");
u8 param1 = lua_tonumber(L, -1);
if(lua_isnil(L, -1))
param1 = 0;
else
param1 = lua_tonumber(L, -1);
lua_pop(L, 1);
u8 param2;
lua_getfield(L, index, "param2");
u8 param2 = lua_tonumber(L, -1);
if(lua_isnil(L, -1))
param2 = 0;
else
param2 = lua_tonumber(L, -1);
lua_pop(L, 1);
return MapNode(ndef, name, param1, param2);
}
@ -551,9 +569,8 @@ private:
// Exported functions
// EnvRef:add_node(pos, content)
// EnvRef:add_node(pos, node)
// pos = {x=num, y=num, z=num}
// content = number
static int l_add_node(lua_State *L)
{
infostream<<"EnvRef::l_add_node()"<<std::endl;
@ -561,26 +578,61 @@ private:
ServerEnvironment *env = o->m_env;
if(env == NULL) return 0;
// pos
v3s16 pos;
lua_pushvalue(L, 2); // Push pos
luaL_checktype(L, -1, LUA_TTABLE);
lua_getfield(L, -1, "x");
pos.X = lua_tonumber(L, -1);
lua_pop(L, 1);
lua_getfield(L, -1, "y");
pos.Y = lua_tonumber(L, -1);
lua_pop(L, 1);
lua_getfield(L, -1, "z");
pos.Z = lua_tonumber(L, -1);
lua_pop(L, 1);
lua_pop(L, 1); // Pop pos
v3s16 pos = readpos(L, 2);
// content
u16 content = 0;
lua_pushvalue(L, 3); // Push content
content = lua_tonumber(L, -1);
lua_pop(L, 1); // Pop content
MapNode n = readnode(L, 3, env->getGameDef()->ndef());
// Do it
env->getMap().addNodeWithEvent(pos, MapNode(content));
env->getMap().addNodeWithEvent(pos, n);
return 0;
}
// EnvRef:remove_node(pos)
// pos = {x=num, y=num, z=num}
static int l_remove_node(lua_State *L)
{
infostream<<"EnvRef::l_remove_node()"<<std::endl;
EnvRef *o = checkobject(L, 1);
ServerEnvironment *env = o->m_env;
if(env == NULL) return 0;
// pos
v3s16 pos = readpos(L, 2);
// Do it
env->getMap().removeNodeWithEvent(pos);
return 0;
}
// EnvRef:get_node(pos)
// pos = {x=num, y=num, z=num}
static int l_get_node(lua_State *L)
{
infostream<<"EnvRef::l_get_node()"<<std::endl;
EnvRef *o = checkobject(L, 1);
ServerEnvironment *env = o->m_env;
if(env == NULL) return 0;
// pos
v3s16 pos = readpos(L, 2);
// Do it
MapNode n = env->getMap().getNodeNoEx(pos);
// Return node
pushnode(L, n, env->getGameDef()->ndef());
return 1;
}
// EnvRef:add_luaentity(pos, entityname)
// pos = {x=num, y=num, z=num}
static int l_add_luaentity(lua_State *L)
{
infostream<<"EnvRef::l_add_luaentity()"<<std::endl;
EnvRef *o = checkobject(L, 1);
ServerEnvironment *env = o->m_env;
if(env == NULL) return 0;
// pos
v3f pos = readFloatPos(L, 2);
// content
const char *name = lua_tostring(L, 3);
// Do it
ServerActiveObject *obj = new LuaEntitySAO(env, pos, name, "");
env->addActiveObject(obj);
return 0;
}
@ -650,6 +702,9 @@ public:
const char EnvRef::className[] = "EnvRef";
const luaL_reg EnvRef::methods[] = {
method(EnvRef, add_node),
method(EnvRef, remove_node),
method(EnvRef, get_node),
method(EnvRef, add_luaentity),
{0,0}
};
@ -1281,6 +1336,8 @@ void scriptapi_luaentity_step(lua_State *L, u16 id, float dtime)
// State: object is at top of stack
// Get step function
lua_getfield(L, -1, "on_step");
if(lua_isnil(L, -1))
return;
luaL_checktype(L, -1, LUA_TFUNCTION);
lua_pushvalue(L, object); // self
lua_pushnumber(L, dtime); // dtime
@ -1304,6 +1361,8 @@ void scriptapi_luaentity_punch(lua_State *L, u16 id,
// State: object is at top of stack
// Get function
lua_getfield(L, -1, "on_punch");
if(lua_isnil(L, -1))
return;
luaL_checktype(L, -1, LUA_TFUNCTION);
lua_pushvalue(L, object); // self
objectref_get_or_create(L, puncher); // Clicker reference
@ -1327,6 +1386,8 @@ void scriptapi_luaentity_rightclick(lua_State *L, u16 id,
// State: object is at top of stack
// Get function
lua_getfield(L, -1, "on_rightclick");
if(lua_isnil(L, -1))
return;
luaL_checktype(L, -1, LUA_TFUNCTION);
lua_pushvalue(L, object); // self
objectref_get_or_create(L, clicker); // Clicker reference