]> git.lizzy.rs Git - dragonfireclient.git/blobdiff - src/script/common/c_content.cpp
Remove unused functions reported by cppcheck (#10463)
[dragonfireclient.git] / src / script / common / c_content.cpp
index cb0253c32ce876ac96ac715e24e7febb2609c93f..774b6a3266d5dc476e5a65a65746fa366a10d7be 100644 (file)
@@ -21,7 +21,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "common/c_types.h"
 #include "nodedef.h"
 #include "object_properties.h"
-#include "content_sao.h"
+#include "collision.h"
 #include "cpp_api/s_node.h"
 #include "lua_api/l_object.h"
 #include "lua_api/l_item.h"
@@ -29,10 +29,10 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "server.h"
 #include "log.h"
 #include "tool.h"
-#include "serverobject.h"
 #include "porting.h"
 #include "mapgen/mg_schematic.h"
 #include "noise.h"
+#include "server/player_sao.h"
 #include "util/pointedthing.h"
 #include "debug.h" // For FATAL_ERROR
 #include <json/json.h>
@@ -83,7 +83,7 @@ void read_item_definition(lua_State* L, int index,
        getboolfield(L, index, "liquids_pointable", def.liquids_pointable);
 
        warn_if_field_exists(L, index, "tool_digging_properties",
-                       "Deprecated; use tool_capabilities");
+                       "Obsolete; use tool_capabilities");
 
        lua_getfield(L, index, "tool_capabilities");
        if(lua_istable(L, -1)){
@@ -103,7 +103,8 @@ void read_item_definition(lua_State* L, int index,
        lua_pop(L, 1);
 
        lua_getfield(L, index, "sounds");
-       if(lua_istable(L, -1)){
+       if (!lua_isnil(L, -1)) {
+               luaL_checktype(L, -1, LUA_TTABLE);
                lua_getfield(L, -1, "place");
                read_soundspec(L, -1, def.sound_place);
                lua_pop(L, 1);
@@ -163,7 +164,7 @@ void push_item_definition_full(lua_State *L, const ItemDefinition &i)
        lua_setfield(L, -2, "usable");
        lua_pushboolean(L, i.liquids_pointable);
        lua_setfield(L, -2, "liquids_pointable");
-       if (i.type == ITEM_TOOL) {
+       if (i.tool_capabilities) {
                push_tool_capabilities(L, *i.tool_capabilities);
                lua_setfield(L, -2, "tool_capabilities");
        }
@@ -183,9 +184,11 @@ void read_object_properties(lua_State *L, int index,
 {
        if(index < 0)
                index = lua_gettop(L) + 1 + index;
-       if(!lua_istable(L, index))
+       if (lua_isnil(L, index))
                return;
 
+       luaL_checktype(L, -1, LUA_TTABLE);
+
        int hp_max = 0;
        if (getintfield(L, -1, "hp_max", hp_max)) {
                prop->hp_max = (u16)rangelim(hp_max, 0, U16_MAX);
@@ -208,8 +211,6 @@ void read_object_properties(lua_State *L, int index,
        getboolfield(L, -1, "physical", prop->physical);
        getboolfield(L, -1, "collide_with_objects", prop->collideWithObjects);
 
-       getfloatfield(L, -1, "weight", prop->weight);
-
        lua_getfield(L, -1, "collisionbox");
        bool collisionbox_defined = lua_istable(L, -1);
        if (collisionbox_defined)
@@ -326,6 +327,9 @@ void read_object_properties(lua_State *L, int index,
 
        getfloatfield(L, -1, "zoom_fov", prop->zoom_fov);
        getboolfield(L, -1, "use_texture_alpha", prop->use_texture_alpha);
+       getboolfield(L, -1, "shaded", prop->shaded);
+
+       getstringfield(L, -1, "damage_texture_modifier", prop->damage_texture_modifier);
 }
 
 /******************************************************************************/
@@ -340,8 +344,6 @@ void push_object_properties(lua_State *L, ObjectProperties *prop)
        lua_setfield(L, -2, "physical");
        lua_pushboolean(L, prop->collideWithObjects);
        lua_setfield(L, -2, "collide_with_objects");
-       lua_pushnumber(L, prop->weight);
-       lua_setfield(L, -2, "weight");
        push_aabb3f(L, prop->collisionbox);
        lua_setfield(L, -2, "collisionbox");
        push_aabb3f(L, prop->selectionbox);
@@ -355,7 +357,7 @@ void push_object_properties(lua_State *L, ObjectProperties *prop)
        push_v3f(L, prop->visual_size);
        lua_setfield(L, -2, "visual_size");
 
-       lua_newtable(L);
+       lua_createtable(L, prop->textures.size(), 0);
        u16 i = 1;
        for (const std::string &texture : prop->textures) {
                lua_pushlstring(L, texture.c_str(), texture.size());
@@ -363,7 +365,7 @@ void push_object_properties(lua_State *L, ObjectProperties *prop)
        }
        lua_setfield(L, -2, "textures");
 
-       lua_newtable(L);
+       lua_createtable(L, prop->colors.size(), 0);
        i = 1;
        for (const video::SColor &color : prop->colors) {
                push_ARGB8(L, color);
@@ -410,6 +412,10 @@ void push_object_properties(lua_State *L, ObjectProperties *prop)
        lua_setfield(L, -2, "zoom_fov");
        lua_pushboolean(L, prop->use_texture_alpha);
        lua_setfield(L, -2, "use_texture_alpha");
+       lua_pushboolean(L, prop->shaded);
+       lua_setfield(L, -2, "shaded");
+       lua_pushlstring(L, prop->damage_texture_modifier.c_str(), prop->damage_texture_modifier.size());
+       lua_setfield(L, -2, "damage_texture_modifier");
 }
 
 /******************************************************************************/
@@ -643,19 +649,19 @@ ContentFeatures read_content_features(lua_State *L, int index)
                warningstream << "Node " << f.name.c_str()
                        << " has a palette, but not a suitable paramtype2." << std::endl;
 
-       // Warn about some deprecated fields
+       // Warn about some obsolete fields
        warn_if_field_exists(L, index, "wall_mounted",
-                       "Deprecated; use paramtype2 = 'wallmounted'");
+                       "Obsolete; use paramtype2 = 'wallmounted'");
        warn_if_field_exists(L, index, "light_propagates",
-                       "Deprecated; determined from paramtype");
+                       "Obsolete; determined from paramtype");
        warn_if_field_exists(L, index, "dug_item",
-                       "Deprecated; use 'drop' field");
+                       "Obsolete; use 'drop' field");
        warn_if_field_exists(L, index, "extra_dug_item",
-                       "Deprecated; use 'drop' field");
+                       "Obsolete; use 'drop' field");
        warn_if_field_exists(L, index, "extra_dug_item_rarity",
-                       "Deprecated; use 'drop' field");
+                       "Obsolete; use 'drop' field");
        warn_if_field_exists(L, index, "metadata_name",
-                       "Deprecated; use on_add and metadata callbacks");
+                       "Obsolete; use on_add and metadata callbacks");
 
        // True for all ground-like things like stone and mud, false for eg. trees
        getboolfield(L, index, "is_ground_content", f.is_ground_content);
@@ -691,6 +697,8 @@ ContentFeatures read_content_features(lua_State *L, int index)
        f.liquid_range = getintfield_default(L, index,
                        "liquid_range", f.liquid_range);
        f.leveled = getintfield_default(L, index, "leveled", f.leveled);
+       f.leveled_max = getintfield_default(L, index,
+                       "leveled_max", f.leveled_max);
 
        getboolfield(L, index, "liquid_renewable", f.liquid_renewable);
        f.drowning = getintfield_default(L, index,
@@ -845,7 +853,7 @@ void push_content_features(lua_State *L, const ContentFeatures &c)
        lua_pushnumber(L, c.connect_sides);
        lua_setfield(L, -2, "connect_sides");
 
-       lua_newtable(L);
+       lua_createtable(L, c.connects_to.size(), 0);
        u16 i = 1;
        for (const std::string &it : c.connects_to) {
                lua_pushlstring(L, it.c_str(), it.size());
@@ -857,6 +865,8 @@ void push_content_features(lua_State *L, const ContentFeatures &c)
        lua_setfield(L, -2, "post_effect_color");
        lua_pushnumber(L, c.leveled);
        lua_setfield(L, -2, "leveled");
+       lua_pushnumber(L, c.leveled_max);
+       lua_setfield(L, -2, "leveled_max");
        lua_pushboolean(L, c.sunlight_propagates);
        lua_setfield(L, -2, "sunlight_propagates");
        lua_pushnumber(L, c.light_source);
@@ -968,7 +978,7 @@ void push_nodebox(lua_State *L, const NodeBox &box)
 
 void push_box(lua_State *L, const std::vector<aabb3f> &box)
 {
-       lua_newtable(L);
+       lua_createtable(L, box.size(), 0);
        u8 i = 1;
        for (const aabb3f &it : box) {
                push_aabb3f(L, it);
@@ -1023,6 +1033,7 @@ void read_server_sound_params(lua_State *L, int index,
                params.max_hear_distance = BS*getfloatfield_default(L, index,
                                "max_hear_distance", params.max_hear_distance/BS);
                getboolfield(L, index, "loop", params.loop);
+               getstringfield(L, index, "exclude_player", params.exclude_player);
        }
 }
 
@@ -1031,20 +1042,22 @@ void read_soundspec(lua_State *L, int index, SimpleSoundSpec &spec)
 {
        if(index < 0)
                index = lua_gettop(L) + 1 + index;
-       if(lua_isnil(L, index)){
-       } else if(lua_istable(L, index)){
+       if (lua_isnil(L, index))
+               return;
+
+       if (lua_istable(L, index)) {
                getstringfield(L, index, "name", spec.name);
                getfloatfield(L, index, "gain", spec.gain);
                getfloatfield(L, index, "fade", spec.fade);
                getfloatfield(L, index, "pitch", spec.pitch);
-       } else if(lua_isstring(L, index)){
+       } else if (lua_isstring(L, index)) {
                spec.name = lua_tostring(L, index);
        }
 }
 
 void push_soundspec(lua_State *L, const SimpleSoundSpec &spec)
 {
-       lua_newtable(L);
+       lua_createtable(L, 0, 3);
        lua_pushstring(L, spec.name.c_str());
        lua_setfield(L, -2, "name");
        lua_pushnumber(L, spec.gain);
@@ -1059,9 +1072,13 @@ void push_soundspec(lua_State *L, const SimpleSoundSpec &spec)
 NodeBox read_nodebox(lua_State *L, int index)
 {
        NodeBox nodebox;
-       if(lua_istable(L, -1)){
-               nodebox.type = (NodeBoxType)getenumfield(L, index, "type",
-                               ScriptApiNode::es_NodeBoxType, NODEBOX_REGULAR);
+       if (lua_isnil(L, -1))
+               return nodebox;
+
+       luaL_checktype(L, -1, LUA_TTABLE);
+
+       nodebox.type = (NodeBoxType)getenumfield(L, index, "type",
+                       ScriptApiNode::es_NodeBoxType, NODEBOX_REGULAR);
 
 #define NODEBOXREAD(n, s){ \
                lua_getfield(L, index, (s)); \
@@ -1071,30 +1088,30 @@ NodeBox read_nodebox(lua_State *L, int index)
        }
 
 #define NODEBOXREADVEC(n, s) \
-               lua_getfield(L, index, (s)); \
-               if (lua_istable(L, -1)) \
-                       (n) = read_aabb3f_vector(L, -1, BS); \
-               lua_pop(L, 1);
+       lua_getfield(L, index, (s)); \
+       if (lua_istable(L, -1)) \
+               (n) = read_aabb3f_vector(L, -1, BS); \
+       lua_pop(L, 1);
+
+       NODEBOXREADVEC(nodebox.fixed, "fixed");
+       NODEBOXREAD(nodebox.wall_top, "wall_top");
+       NODEBOXREAD(nodebox.wall_bottom, "wall_bottom");
+       NODEBOXREAD(nodebox.wall_side, "wall_side");
+       NODEBOXREADVEC(nodebox.connect_top, "connect_top");
+       NODEBOXREADVEC(nodebox.connect_bottom, "connect_bottom");
+       NODEBOXREADVEC(nodebox.connect_front, "connect_front");
+       NODEBOXREADVEC(nodebox.connect_left, "connect_left");
+       NODEBOXREADVEC(nodebox.connect_back, "connect_back");
+       NODEBOXREADVEC(nodebox.connect_right, "connect_right");
+       NODEBOXREADVEC(nodebox.disconnected_top, "disconnected_top");
+       NODEBOXREADVEC(nodebox.disconnected_bottom, "disconnected_bottom");
+       NODEBOXREADVEC(nodebox.disconnected_front, "disconnected_front");
+       NODEBOXREADVEC(nodebox.disconnected_left, "disconnected_left");
+       NODEBOXREADVEC(nodebox.disconnected_back, "disconnected_back");
+       NODEBOXREADVEC(nodebox.disconnected_right, "disconnected_right");
+       NODEBOXREADVEC(nodebox.disconnected, "disconnected");
+       NODEBOXREADVEC(nodebox.disconnected_sides, "disconnected_sides");
 
-               NODEBOXREADVEC(nodebox.fixed, "fixed");
-               NODEBOXREAD(nodebox.wall_top, "wall_top");
-               NODEBOXREAD(nodebox.wall_bottom, "wall_bottom");
-               NODEBOXREAD(nodebox.wall_side, "wall_side");
-               NODEBOXREADVEC(nodebox.connect_top, "connect_top");
-               NODEBOXREADVEC(nodebox.connect_bottom, "connect_bottom");
-               NODEBOXREADVEC(nodebox.connect_front, "connect_front");
-               NODEBOXREADVEC(nodebox.connect_left, "connect_left");
-               NODEBOXREADVEC(nodebox.connect_back, "connect_back");
-               NODEBOXREADVEC(nodebox.connect_right, "connect_right");
-               NODEBOXREADVEC(nodebox.disconnected_top, "disconnected_top");
-               NODEBOXREADVEC(nodebox.disconnected_bottom, "disconnected_bottom");
-               NODEBOXREADVEC(nodebox.disconnected_front, "disconnected_front");
-               NODEBOXREADVEC(nodebox.disconnected_left, "disconnected_left");
-               NODEBOXREADVEC(nodebox.disconnected_back, "disconnected_back");
-               NODEBOXREADVEC(nodebox.disconnected_right, "disconnected_right");
-               NODEBOXREADVEC(nodebox.disconnected, "disconnected");
-               NODEBOXREADVEC(nodebox.disconnected_sides, "disconnected_sides");
-       }
        return nodebox;
 }
 
@@ -1129,12 +1146,12 @@ MapNode readnode(lua_State *L, int index, const NodeDefManager *ndef)
 /******************************************************************************/
 void pushnode(lua_State *L, const MapNode &n, const NodeDefManager *ndef)
 {
-       lua_newtable(L);
+       lua_createtable(L, 0, 3);
        lua_pushstring(L, ndef->get(n).name.c_str());
        lua_setfield(L, -2, "name");
-       lua_pushnumber(L, n.getParam1());
+       lua_pushinteger(L, n.getParam1());
        lua_setfield(L, -2, "param1");
-       lua_pushnumber(L, n.getParam2());
+       lua_pushinteger(L, n.getParam2());
        lua_setfield(L, -2, "param2");
 }
 
@@ -1167,7 +1184,7 @@ bool string_to_enum(const EnumString *spec, int &result,
 {
        const EnumString *esp = spec;
        while(esp->str){
-               if(str == std::string(esp->str)){
+               if (!strcmp(str.c_str(), esp->str)) {
                        result = esp->num;
                        return true;
                }
@@ -1442,7 +1459,7 @@ ToolCapabilities read_tool_capabilities(
 /******************************************************************************/
 void push_dig_params(lua_State *L,const DigParams &params)
 {
-       lua_newtable(L);
+       lua_createtable(L, 0, 3);
        setboolfield(L, -1, "diggable", params.diggable);
        setfloatfield(L, -1, "time", params.time);
        setintfield(L, -1, "wear", params.wear);
@@ -1451,7 +1468,7 @@ void push_dig_params(lua_State *L,const DigParams &params)
 /******************************************************************************/
 void push_hit_params(lua_State *L,const HitParams &params)
 {
-       lua_newtable(L);
+       lua_createtable(L, 0, 3);
        setintfield(L, -1, "hp", params.hp);
        setintfield(L, -1, "wear", params.wear);
 }
@@ -1523,8 +1540,11 @@ void push_flags_string(lua_State *L, FlagDesc *flagdesc, u32 flags, u32 flagmask
 /******************************************************************************/
 void read_groups(lua_State *L, int index, ItemGroupList &result)
 {
-       if (!lua_istable(L,index))
+       if (lua_isnil(L, index))
                return;
+
+       luaL_checktype(L, index, LUA_TTABLE);
+
        result.clear();
        lua_pushnil(L);
        if (index < 0)
@@ -1544,9 +1564,9 @@ void read_groups(lua_State *L, int index, ItemGroupList &result)
 /******************************************************************************/
 void push_groups(lua_State *L, const ItemGroupList &groups)
 {
-       lua_newtable(L);
+       lua_createtable(L, 0, groups.size());
        for (const auto &group : groups) {
-               lua_pushnumber(L, group.second);
+               lua_pushinteger(L, group.second);
                lua_setfield(L, -2, group.first.c_str());
        }
 }
@@ -1591,7 +1611,7 @@ void luaentity_get(lua_State *L, u16 id)
        lua_getglobal(L, "core");
        lua_getfield(L, -1, "luaentities");
        luaL_checktype(L, -1, LUA_TTABLE);
-       lua_pushnumber(L, id);
+       lua_pushinteger(L, id);
        lua_gettable(L, -2);
        lua_remove(L, -2); // Remove luaentities
        lua_remove(L, -2); // Remove core
@@ -1675,10 +1695,10 @@ static bool push_json_value_helper(lua_State *L, const Json::Value &value,
                        lua_pushvalue(L, nullindex);
                        break;
                case Json::intValue:
-                       lua_pushinteger(L, value.asInt());
+                       lua_pushinteger(L, value.asLargestInt());
                        break;
                case Json::uintValue:
-                       lua_pushinteger(L, value.asUInt());
+                       lua_pushinteger(L, value.asLargestUInt());
                        break;
                case Json::realValue:
                        lua_pushnumber(L, value.asDouble());
@@ -1693,7 +1713,7 @@ static bool push_json_value_helper(lua_State *L, const Json::Value &value,
                        lua_pushboolean(L, value.asInt());
                        break;
                case Json::arrayValue:
-                       lua_newtable(L);
+                       lua_createtable(L, value.size(), 0);
                        for (Json::Value::const_iterator it = value.begin();
                                        it != value.end(); ++it) {
                                push_json_value_helper(L, *it, nullindex);
@@ -1701,10 +1721,10 @@ static bool push_json_value_helper(lua_State *L, const Json::Value &value,
                        }
                        break;
                case Json::objectValue:
-                       lua_newtable(L);
+                       lua_createtable(L, 0, value.size());
                        for (Json::Value::const_iterator it = value.begin();
                                        it != value.end(); ++it) {
-#ifndef JSONCPP_STRING
+#if !defined(JSONCPP_STRING) && (JSONCPP_VERSION_MAJOR < 1 || JSONCPP_VERSION_MINOR < 9)
                                const char *str = it.memberName();
                                lua_pushstring(L, str ? str : "");
 #else
@@ -1828,7 +1848,7 @@ void push_objectRef(lua_State *L, const u16 id)
        lua_getglobal(L, "core");
        lua_getfield(L, -1, "object_refs");
        luaL_checktype(L, -1, LUA_TTABLE);
-       lua_pushnumber(L, id);
+       lua_pushinteger(L, id);
        lua_gettable(L, -2);
        lua_remove(L, -2); // object_refs
        lua_remove(L, -2); // core
@@ -1851,11 +1871,18 @@ void read_hud_element(lua_State *L, HudElement *elem)
        elem->size = lua_istable(L, -1) ? read_v2s32(L, -1) : v2s32();
        lua_pop(L, 1);
 
-       elem->name   = getstringfield_default(L, 2, "name", "");
-       elem->text   = getstringfield_default(L, 2, "text", "");
-       elem->number = getintfield_default(L, 2, "number", 0);
-       elem->item   = getintfield_default(L, 2, "item", 0);
-       elem->dir    = getintfield_default(L, 2, "direction", 0);
+       elem->name    = getstringfield_default(L, 2, "name", "");
+       elem->text    = getstringfield_default(L, 2, "text", "");
+       elem->number  = getintfield_default(L, 2, "number", 0);
+       if (elem->type == HUD_ELEM_WAYPOINT)
+               // waypoints reuse the item field to store precision, item = precision + 1
+               elem->item = getintfield_default(L, 2, "precision", -1) + 1;
+       else
+               elem->item = getintfield_default(L, 2, "item", 0);
+       elem->dir     = getintfield_default(L, 2, "direction", 0);
+       elem->z_index = MYMAX(S16_MIN, MYMIN(S16_MAX,
+                       getintfield_default(L, 2, "z_index", 0)));
+       elem->text2   = getstringfield_default(L, 2, "text2", "");
 
        // Deprecated, only for compatibility's sake
        if (elem->dir == 0)
@@ -1921,14 +1948,21 @@ void push_hud_element(lua_State *L, HudElement *elem)
 
        push_v3f(L, elem->world_pos);
        lua_setfield(L, -2, "world_pos");
+
+       lua_pushnumber(L, elem->z_index);
+       lua_setfield(L, -2, "z_index");
+
+       lua_pushstring(L, elem->text2.c_str());
+       lua_setfield(L, -2, "text2");
 }
 
 HudElementStat read_hud_change(lua_State *L, HudElement *elem, void **value)
 {
        HudElementStat stat = HUD_STAT_NUMBER;
+       std::string statstr;
        if (lua_isstring(L, 3)) {
                int statint;
-               std::string statstr = lua_tostring(L, 3);
+               statstr = lua_tostring(L, 3);
                stat = string_to_enum(es_HudElementStat, statint, statstr) ?
                                (HudElementStat)statint : stat;
        }
@@ -1956,6 +1990,8 @@ HudElementStat read_hud_change(lua_State *L, HudElement *elem, void **value)
                        break;
                case HUD_STAT_ITEM:
                        elem->item = luaL_checknumber(L, 4);
+                       if (elem->type == HUD_ELEM_WAYPOINT && statstr == "precision")
+                               elem->item++;
                        *value = &elem->item;
                        break;
                case HUD_STAT_DIR:
@@ -1978,6 +2014,70 @@ HudElementStat read_hud_change(lua_State *L, HudElement *elem, void **value)
                        elem->size = read_v2s32(L, 4);
                        *value = &elem->size;
                        break;
+               case HUD_STAT_Z_INDEX:
+                       elem->z_index = MYMAX(S16_MIN, MYMIN(S16_MAX, luaL_checknumber(L, 4)));
+                       *value = &elem->z_index;
+                       break;
+               case HUD_STAT_TEXT2:
+                       elem->text2 = luaL_checkstring(L, 4);
+                       *value = &elem->text2;
+                       break;
        }
        return stat;
 }
+
+/******************************************************************************/
+
+// Indices must match values in `enum CollisionType` exactly!!
+static const char *collision_type_str[] = {
+       "node",
+       "object",
+};
+
+// Indices must match values in `enum CollisionAxis` exactly!!
+static const char *collision_axis_str[] = {
+       "x",
+       "y",
+       "z",
+};
+
+void push_collision_move_result(lua_State *L, const collisionMoveResult &res)
+{
+       lua_createtable(L, 0, 4);
+
+       setboolfield(L, -1, "touching_ground", res.touching_ground);
+       setboolfield(L, -1, "collides", res.collides);
+       setboolfield(L, -1, "standing_on_object", res.standing_on_object);
+
+       /* collisions */
+       lua_createtable(L, res.collisions.size(), 0);
+       int i = 1;
+       for (const auto &c : res.collisions) {
+               lua_createtable(L, 0, 5);
+
+               lua_pushstring(L, collision_type_str[c.type]);
+               lua_setfield(L, -2, "type");
+
+               assert(c.axis != COLLISION_AXIS_NONE);
+               lua_pushstring(L, collision_axis_str[c.axis]);
+               lua_setfield(L, -2, "axis");
+
+               if (c.type == COLLISION_NODE) {
+                       push_v3s16(L, c.node_p);
+                       lua_setfield(L, -2, "node_pos");
+               } else if (c.type == COLLISION_OBJECT) {
+                       push_objectRef(L, c.object->getId());
+                       lua_setfield(L, -2, "object");
+               }
+
+               push_v3f(L, c.old_speed / BS);
+               lua_setfield(L, -2, "old_velocity");
+
+               push_v3f(L, c.new_speed / BS);
+               lua_setfield(L, -2, "new_velocity");
+
+               lua_rawseti(L, -2, i++);
+       }
+       lua_setfield(L, -2, "collisions");
+       /**/
+}