Scripting WIP
authorPerttu Ahola <celeron55@gmail.com>
Sat, 12 Nov 2011 08:39:44 +0000 (10:39 +0200)
committerPerttu Ahola <celeron55@gmail.com>
Tue, 29 Nov 2011 17:13:39 +0000 (19:13 +0200)
12 files changed:
.gitignore
data/scripts/default.lua
src/CMakeLists.txt
src/content_cao.cpp
src/content_cao.h
src/content_sao.cpp
src/luaentity_common.cpp [new file with mode: 0644]
src/luaentity_common.h [new file with mode: 0644]
src/script.cpp
src/script.h
src/scriptapi.cpp
src/scriptapi.h

index 99ea36f78b0768d09aa949f90508f63b1f486c56..654e3ceaf89f989376a8789721c6c7df1b511ddf 100644 (file)
@@ -21,3 +21,7 @@ src/jthread/libjthread.a
 debug.txt
 bin/debug.txt
 minetestmapper/map.png
+locale/
+src/lua/build/
+src/lua/CMakeFiles/
+*bak*
index ebd4e5ab673478f022c327bff766df20d518a771..baf541f465d55c8f366a8525279603a4ca36f61a 100644 (file)
@@ -125,6 +125,10 @@ function dump(o, dumped)
                return tostring(o)
        elseif type(o) == "function" then
                return "<function>"
+       elseif type(o) == "userdata" then
+               return "<userdata>"
+       elseif type(o) == "nil" then
+               return "nil"
        else
                error("cannot dump a " .. type(o))
                return nil
@@ -139,7 +143,7 @@ local TNT = {
        -- Maybe handle gravity and collision this way? dunno
        physical = true,
        weight = 5,
-       boundingbox = {-0.5,-0.5,-0.5, 0.5,0.5,0.5},
+       collisionbox = {-0.5,-0.5,-0.5, 0.5,0.5,0.5},
        visual = "cube",
        textures = {"tnt_top.png","tnt_bottom.png","tnt_side.png","tnt_side.png","tnt_side.png","tnt_side.png"},
        -- Initial value for our timer
@@ -161,10 +165,13 @@ end
 -- Called when object is right-clicked
 function TNT:on_rightclick(clicker)
        print("TNT:on_rightclick()")
+       print("self: "..dump(self))
+       print("getmetatable(self): "..dump(getmetatable(self)))
+       print("getmetatable(getmetatable(self)): "..dump(getmetatable(getmetatable(self))))
        pos = self.object:getpos()
        print("TNT:on_rightclick(): object position: "..dump(pos))
        pos = {x=pos.x+0.5+1, y=pos.y+0.5, z=pos.z+0.5}
-       minetest.env:add_node(pos, 0)
+       --minetest.env:add_node(pos, 0)
 end
 
 print("TNT dump: "..dump(TNT))
index b41fc4a6cb5814cd42a534bd671081edda4d1160..a511e6cc0553311927c735145ebbb532987fc601 100644 (file)
@@ -94,6 +94,7 @@ configure_file(
 )
 
 set(common_SRCS
+       luaentity_common.cpp
        scriptapi.cpp
        script.cpp
        log.cpp
index 157a51886493ba952c65f8f20146f717bee835fa..70bcbac180bae4336f2eb1ccb33d06abebb54ac3 100644 (file)
@@ -1268,6 +1268,8 @@ void MobV2CAO::setLooks(const std::string &looks)
        LuaEntityCAO
 */
 
+#include "luaentity_common.h"
+
 // Prototype
 LuaEntityCAO proto_LuaEntityCAO;
 
@@ -1275,13 +1277,15 @@ LuaEntityCAO::LuaEntityCAO():
        ClientActiveObject(0),
        m_selection_box(-BS/3.,0.0,-BS/3., BS/3.,BS*2./3.,BS/3.),
        m_node(NULL),
-       m_position(v3f(0,10*BS,0))
+       m_position(v3f(0,10*BS,0)),
+       m_prop(new LuaEntityProperties)
 {
        ClientActiveObject::registerType(getType(), create);
 }
 
 LuaEntityCAO::~LuaEntityCAO()
 {
+       delete m_prop;
 }
 
 ClientActiveObject* LuaEntityCAO::create()
@@ -1398,16 +1402,19 @@ void LuaEntityCAO::initialize(const std::string &data)
 {
        infostream<<"LuaEntityCAO: Got init data"<<std::endl;
        
-       {
-               std::istringstream is(data, std::ios::binary);
-               // version
-               u8 version = readU8(is);
-               // check version
-               if(version != 0)
-                       return;
-               // pos
-               m_position = readV3F1000(is);
-       }
+       std::istringstream is(data, std::ios::binary);
+       // version
+       u8 version = readU8(is);
+       // check version
+       if(version != 0)
+               return;
+       // pos
+       m_position = readV3F1000(is);
+       // properties
+       std::istringstream prop_is(deSerializeLongString(is), std::ios::binary);
+       m_prop->deSerialize(prop_is);
+
+       infostream<<"m_prop: "<<m_prop->dump()<<std::endl;
        
        updateNodePos();
 }
index c8554e737cb0cc370823e37eee370eed7545091b..53336c7b99110840f39126be840c6e136cdf9b73 100644 (file)
@@ -380,6 +380,8 @@ private:
        LuaEntityCAO
 */
 
+struct LuaEntityProperties;
+
 class LuaEntityCAO : public ClientActiveObject
 {
 public:
@@ -414,6 +416,7 @@ private:
        core::aabbox3d<f32> m_selection_box;
        scene::IMeshSceneNode *m_node;
        v3f m_position;
+       struct LuaEntityProperties *m_prop;
 };
 
 
index 8a0e67a2128c3fdb0bdb088e4cd9f08d9d873b62..3802129cbfdc75ee7156b0f83009a1c9b0c51152 100644 (file)
@@ -1495,6 +1495,7 @@ void MobV2SAO::doDamage(u16 d)
 */
 
 #include "scriptapi.h"
+#include "luaentity_common.h"
 
 // Prototype
 LuaEntitySAO proto_LuaEntitySAO(NULL, v3f(0,0,0), "_prototype", "");
@@ -1527,14 +1528,13 @@ void LuaEntitySAO::addedToEnvironment(u16 id)
 {
        ServerActiveObject::addedToEnvironment(id);
        
-       // Create entity by name and state
+       // Create entity from name and state
        m_registered = true;
        lua_State *L = m_env->getLua();
        scriptapi_luaentity_add(L, id, m_init_name.c_str(), m_init_state.c_str());
        
        // Get properties
-       *m_prop = scriptapi_luaentity_get_properties(L, m_id);
-       infostream<<"m_prop->visual="<<m_prop->visual<<std::endl;
+       scriptapi_luaentity_get_properties(L, m_id, m_prop);
 }
 
 ServerActiveObject* LuaEntitySAO::create(ServerEnvironment *env, v3f pos,
@@ -1571,6 +1571,11 @@ std::string LuaEntitySAO::getClientInitializationData()
        writeU8(os, 0);
        // pos
        writeV3F1000(os, m_base_position);
+       // properties
+       std::ostringstream prop_os(std::ios::binary);
+       m_prop->serialize(prop_os);
+       os<<serializeLongString(prop_os.str());
+       // return result
        return os.str();
 }
 
diff --git a/src/luaentity_common.cpp b/src/luaentity_common.cpp
new file mode 100644 (file)
index 0000000..6ce2012
--- /dev/null
@@ -0,0 +1,83 @@
+/*
+Minetest-c55
+Copyright (C) 2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "luaentity_common.h"
+
+#include "utility.h"
+
+#define PP(x) "("<<(x).X<<","<<(x).Y<<","<<(x).Z<<")"
+
+LuaEntityProperties::LuaEntityProperties():
+       physical(true),
+       weight(5),
+       collisionbox(-0.5,-0.5,-0.5, 0.5,0.5,0.5),
+       visual("single_sprite")
+{
+       textures.push_back("unknown_block.png");
+}
+
+std::string LuaEntityProperties::dump()
+{
+       std::ostringstream os(std::ios::binary);
+       os<<"physical="<<physical;
+       os<<", weight="<<weight;
+       os<<", collisionbox="<<PP(collisionbox.MinEdge)<<","<<PP(collisionbox.MaxEdge);
+       os<<", visual="<<visual;
+       os<<", textures=[";
+       for(core::list<std::string>::Iterator i = textures.begin();
+                       i != textures.end(); i++){
+               os<<"\""<<(*i)<<"\" ";
+       }
+       os<<"]";
+       return os.str();
+}
+
+void LuaEntityProperties::serialize(std::ostream &os)
+{
+       writeU8(os, 0); // version
+       writeU8(os, physical);
+       writeF1000(os, weight);
+       writeV3F1000(os, collisionbox.MinEdge);
+       writeV3F1000(os, collisionbox.MaxEdge);
+       os<<serializeString(visual);
+       writeU16(os, textures.size());
+       for(core::list<std::string>::Iterator i = textures.begin();
+                       i != textures.end(); i++){
+               os<<serializeString(*i);
+       }
+}
+
+void LuaEntityProperties::deSerialize(std::istream &is)
+{
+       int version = readU8(is);
+       if(version != 0) throw SerializationError(
+                       "unsupported LuaEntityProperties version");
+       physical = readU8(is);
+       weight = readF1000(is);
+       collisionbox.MinEdge = readV3F1000(is);
+       collisionbox.MaxEdge = readV3F1000(is);
+       visual = deSerializeString(is);
+       textures.clear();
+       int texture_count = readU16(is);
+       for(int i=0; i<texture_count; i++){
+               textures.push_back(deSerializeString(is));
+       }
+}
+
+
diff --git a/src/luaentity_common.h b/src/luaentity_common.h
new file mode 100644 (file)
index 0000000..379249d
--- /dev/null
@@ -0,0 +1,42 @@
+/*
+Minetest-c55
+Copyright (C) 2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef LUAENTITY_COMMON_HEADER
+#define LUAENTITY_COMMON_HEADER
+
+#include <string>
+#include "irrlichttypes.h"
+#include <iostream>
+
+struct LuaEntityProperties
+{
+       bool physical;
+       float weight;
+       core::aabbox3d<f32> collisionbox;
+       std::string visual;
+       core::list<std::string> textures;
+
+       LuaEntityProperties();
+       std::string dump();
+       void serialize(std::ostream &os);
+       void deSerialize(std::istream &is);
+};
+
+#endif
+
index 167f81c77805eaa9fea672173005a173b3152602..f58811090e5d5e507ee298dba55f770dbde23cf7 100644 (file)
@@ -61,7 +61,7 @@ lua_State* script_init()
        return L;
 }
 
-lua_State* script_deinit(lua_State *L)
+void script_deinit(lua_State *L)
 {
        lua_close(L);
 }
index 5f3b3912bf6a0f3c1d7141c822bb791ebb1c0b35..ce697bc50ba931b07d96e760e9bcd4df74980331 100644 (file)
@@ -24,7 +24,7 @@ typedef struct lua_State lua_State;
 //#include <string>
 
 lua_State* script_init();
-lua_State* script_deinit(lua_State *L);
+void script_deinit(lua_State *L);
 void script_error(lua_State *L, const char *fmt, ...);
 bool script_load(lua_State *L, const char *path);
 
index 3c39da6ad61b1ba3e8b2a87a051fc91264104cb4..a50516edfc6c56afd51055f4d8486a31f13bef46 100644 (file)
@@ -33,6 +33,22 @@ extern "C" {
 #include "serverobject.h"
 #include "script.h"
 //#include "luna.h"
+#include "luaentity_common.h"
+
+/*
+TODO:
+- Global environment step function
+- Random node triggers
+- Object network and client-side stuff
+- Named node types and dynamic id allocation
+- LuaNodeMetadata
+       blockdef.has_metadata = true/false
+       - Stores an inventory and stuff in a Settings object
+       meta.inventory_add_list("main")
+       blockdef.on_inventory_modified
+       meta.set("owner", playername)
+       meta.get("owner")
+*/
 
 static void stackDump(lua_State *L, std::ostream &o)
 {
@@ -128,28 +144,8 @@ static int l_register_entity(lua_State *L)
        return 0; /* number of results */
 }
 
-#if 0
-static int l_new_entity(lua_State *L)
-{
-       /* o = o or {}
-          setmetatable(o, self)
-          self.__index = self
-          return o */
-       if(lua_isnil(L, -1))
-               lua_newtable(L);
-       luaL_checktype(L, -1, LUA_TTABLE);
-       luaL_getmetatable(L, "minetest.entity");
-       lua_pushvalue(L, -1); // duplicate metatable
-       lua_setfield(L, -2, "__index");
-       lua_setmetatable(L, -2);
-       // return table
-       return 1;
-}
-#endif
-
 static const struct luaL_Reg minetest_f [] = {
        {"register_entity", l_register_entity},
-       //{"new_entity", l_new_entity},
        {NULL, NULL}
 };
 
@@ -163,6 +159,30 @@ static const struct luaL_Reg minetest_entity_m [] = {
        {NULL, NULL}
 };
 
+static void objectref_get(lua_State *L, u16 id)
+{
+       // Get minetest.object_refs[i]
+       lua_getglobal(L, "minetest");
+       lua_getfield(L, -1, "object_refs");
+       luaL_checktype(L, -1, LUA_TTABLE);
+       lua_pushnumber(L, id);
+       lua_gettable(L, -2);
+       lua_remove(L, -2); // object_refs
+       lua_remove(L, -2); // minetest
+}
+
+static void luaentity_get(lua_State *L, u16 id)
+{
+       // Get minetest.luaentities[i]
+       lua_getglobal(L, "minetest");
+       lua_getfield(L, -1, "luaentities");
+       luaL_checktype(L, -1, LUA_TTABLE);
+       lua_pushnumber(L, id);
+       lua_gettable(L, -2);
+       lua_remove(L, -2); // luaentities
+       lua_remove(L, -2); // minetest
+}
+
 /*
        Reference objects
 */
@@ -552,18 +572,6 @@ void scriptapi_rm_object_reference(lua_State *L, ServerActiveObject *cobj)
        lua_pop(L, 2);
 }
 
-static void objectref_get(lua_State *L, u16 id)
-{
-       // Get minetest.object_refs[i]
-       lua_getglobal(L, "minetest");
-       lua_getfield(L, -1, "object_refs");
-       luaL_checktype(L, -1, LUA_TTABLE);
-       lua_pushnumber(L, id);
-       lua_gettable(L, -2);
-       lua_remove(L, -2); // object_refs
-       lua_remove(L, -2); // minetest
-}
-
 /*
        luaentity
 */
@@ -646,18 +654,6 @@ void scriptapi_luaentity_rm(lua_State *L, u16 id)
        lua_pop(L, 2); // pop luaentities, minetest
 }
 
-static void luaentity_get(lua_State *L, u16 id)
-{
-       // Get minetest.luaentities[i]
-       lua_getglobal(L, "minetest");
-       lua_getfield(L, -1, "luaentities");
-       luaL_checktype(L, -1, LUA_TTABLE);
-       lua_pushnumber(L, id);
-       lua_gettable(L, -2);
-       lua_remove(L, -2); // luaentities
-       lua_remove(L, -2); // minetest
-}
-
 std::string scriptapi_luaentity_get_state(lua_State *L, u16 id)
 {
        realitycheck(L);
@@ -667,74 +663,71 @@ std::string scriptapi_luaentity_get_state(lua_State *L, u16 id)
        return "";
 }
 
-LuaEntityProperties scriptapi_luaentity_get_properties(lua_State *L, u16 id)
+void scriptapi_luaentity_get_properties(lua_State *L, u16 id,
+               LuaEntityProperties *prop)
 {
        realitycheck(L);
        assert(lua_checkstack(L, 20));
        infostream<<"scriptapi_luaentity_get_properties: id="<<id<<std::endl;
        StackUnroller stack_unroller(L);
 
-       LuaEntityProperties prop;
-
        // Get minetest.luaentities[id]
        luaentity_get(L, id);
        //int object = lua_gettop(L);
 
        lua_getfield(L, -1, "physical");
        if(lua_isboolean(L, -1))
-               prop.physical = lua_toboolean(L, -1);
+               prop->physical = lua_toboolean(L, -1);
        lua_pop(L, 1);
        
        lua_getfield(L, -1, "weight");
-       prop.weight = lua_tonumber(L, -1);
+       prop->weight = lua_tonumber(L, -1);
        lua_pop(L, 1);
 
-       lua_getfield(L, -1, "boundingbox");
+       lua_getfield(L, -1, "collisionbox");
        if(lua_istable(L, -1)){
                lua_rawgeti(L, -1, 1);
-               prop.boundingbox.MinEdge.X = lua_tonumber(L, -1);
+               prop->collisionbox.MinEdge.X = lua_tonumber(L, -1);
                lua_pop(L, 1);
                lua_rawgeti(L, -1, 2);
-               prop.boundingbox.MinEdge.Y = lua_tonumber(L, -1);
+               prop->collisionbox.MinEdge.Y = lua_tonumber(L, -1);
                lua_pop(L, 1);
                lua_rawgeti(L, -1, 3);
-               prop.boundingbox.MinEdge.Z = lua_tonumber(L, -1);
+               prop->collisionbox.MinEdge.Z = lua_tonumber(L, -1);
                lua_pop(L, 1);
                lua_rawgeti(L, -1, 4);
-               prop.boundingbox.MaxEdge.X = lua_tonumber(L, -1);
+               prop->collisionbox.MaxEdge.X = lua_tonumber(L, -1);
                lua_pop(L, 1);
                lua_rawgeti(L, -1, 5);
-               prop.boundingbox.MaxEdge.Y = lua_tonumber(L, -1);
+               prop->collisionbox.MaxEdge.Y = lua_tonumber(L, -1);
                lua_pop(L, 1);
                lua_rawgeti(L, -1, 6);
-               prop.boundingbox.MaxEdge.Z = lua_tonumber(L, -1);
+               prop->collisionbox.MaxEdge.Z = lua_tonumber(L, -1);
                lua_pop(L, 1);
        }
        lua_pop(L, 1);
 
        lua_getfield(L, -1, "visual");
        if(lua_isstring(L, -1))
-               prop.visual = lua_tostring(L, -1);
+               prop->visual = lua_tostring(L, -1);
        lua_pop(L, 1);
        
        lua_getfield(L, -1, "textures");
        if(lua_istable(L, -1)){
-               prop.textures.clear();
+               prop->textures.clear();
                int table = lua_gettop(L);
                lua_pushnil(L);
                while(lua_next(L, table) != 0){
                        // key at index -2 and value at index -1
                        if(lua_isstring(L, -1))
-                               prop.textures.push_back(lua_tostring(L, -1));
+                               prop->textures.push_back(lua_tostring(L, -1));
                        else
-                               prop.textures.push_back("");
+                               prop->textures.push_back("");
                        // removes value, keeps key for next iteration
                        lua_pop(L, 1);
                }
        }
        lua_pop(L, 1);
-
-       return prop;
 }
 
 void scriptapi_luaentity_step(lua_State *L, u16 id, float dtime)
index 891342fa33ef3ff206e645adb593fa85c845dc4a..2a5eb25a96458490310ef21557ed017ac522cfdf 100644 (file)
@@ -27,6 +27,7 @@ class Server;
 class ServerEnvironment;
 class ServerActiveObject;
 typedef struct lua_State lua_State;
+struct LuaEntityProperties;
 
 void scriptapi_export(lua_State *L, Server *server);
 void scriptapi_add_environment(lua_State *L, ServerEnvironment *env);
@@ -34,34 +35,12 @@ void scriptapi_add_environment(lua_State *L, ServerEnvironment *env);
 void scriptapi_add_object_reference(lua_State *L, ServerActiveObject *cobj);
 void scriptapi_rm_object_reference(lua_State *L, ServerActiveObject *cobj);
 
-struct LuaEntityProperties
-{
-       bool physical;
-       float weight;
-       core::aabbox3d<f32> boundingbox;
-       std::string visual;
-       core::list<std::string> textures;
-
-       LuaEntityProperties():
-               physical(true),
-               weight(5),
-               boundingbox(-0.5,-0.5,-0.5, 0.5,0.5,0.5),
-               visual("cube")
-       {
-               textures.push_back("unknown_block.png");
-               textures.push_back("unknown_block.png");
-               textures.push_back("unknown_block.png");
-               textures.push_back("unknown_block.png");
-               textures.push_back("unknown_block.png");
-               textures.push_back("unknown_block.png");
-       }
-};
-
 void scriptapi_luaentity_add(lua_State *L, u16 id, const char *name,
                const char *init_state);
 void scriptapi_luaentity_rm(lua_State *L, u16 id);
 std::string scriptapi_luaentity_get_state(lua_State *L, u16 id);
-LuaEntityProperties scriptapi_luaentity_get_properties(lua_State *L, u16 id);
+void scriptapi_luaentity_get_properties(lua_State *L, u16 id,
+               LuaEntityProperties *prop);
 void scriptapi_luaentity_step(lua_State *L, u16 id, float dtime);
 void scriptapi_luaentity_rightclick_player(lua_State *L, u16 id,
                const char *playername);