Lua: Add basic APIs for walking to a towner

This may not be how we'll eventually expose towners
but it's good enough for now.

Source/CMakeLists.txt

@@ -122,7 +122,9 @@ set(libdevilutionx_SRCS
   lua/modules/dev/towners.cpp
   lua/modules/i18n.cpp
   lua/modules/log.cpp
+  lua/modules/player.cpp
   lua/modules/render.cpp
+  lua/modules/towners.cpp
   lua/repl.cpp
 
   panels/charpanel.cpp

Source/lua/lua.cpp

@@ -13,7 +13,9 @@
 #include "lua/modules/audio.hpp"
 #include "lua/modules/i18n.hpp"
 #include "lua/modules/log.hpp"
+#include "lua/modules/player.hpp"
 #include "lua/modules/render.hpp"
+#include "lua/modules/towners.hpp"
 #include "options.h"
 #include "plrmsg.h"
 #include "utils/console.h"
@@ -236,7 +238,9 @@ void LuaInitialize()
 	    "devilutionx.i18n", LuaI18nModule(lua),
 	    "devilutionx.log", LuaLogModule(lua),
 	    "devilutionx.audio", LuaAudioModule(lua),
+	    "devilutionx.player", LuaPlayerModule(lua),
 	    "devilutionx.render", LuaRenderModule(lua),
+	    "devilutionx.towners", LuaTownersModule(lua),
 	    "devilutionx.message", [](std::string_view text) { EventPlrMsg(text, UiFlags::ColorRed); },
 	    // This package is loaded without a sandbox:
 	    "inspect", RunScript(/*env=*/std::nullopt, "inspect", /*optional=*/false));

Source/lua/modules/player.cpp

@@ -0,0 +1,22 @@
+#include "lua/modules/player.hpp"
+
+#include <sol/sol.hpp>
+
+#include "engine/point.hpp"
+#include "lua/metadoc.hpp"
+#include "player.h"
+
+namespace devilution {
+
+sol::table LuaPlayerModule(sol::state_view &lua)
+{
+	sol::table table = lua.create_table();
+	SetDocumented(table, "walk_to", "(x: integer, y: integer)",
+	    "Walk to the given coordinates",
+	    [](int x, int y) {
+		    NetSendCmdLoc(MyPlayerId, true, CMD_WALKXY, Point { x, y });
+	    });
+	return table;
+}
+
+} // namespace devilution

Source/lua/modules/player.hpp

@@ -0,0 +1,9 @@
+#pragma once
+
+#include <sol/sol.hpp>
+
+namespace devilution {
+
+sol::table LuaPlayerModule(sol::state_view &lua);
+
+} // namespace devilution

Source/lua/modules/towners.cpp

@@ -0,0 +1,55 @@
+#include "lua/modules/towners.hpp"
+
+#include <optional>
+#include <utility>
+
+#include <sol/sol.hpp>
+
+#include "engine/point.hpp"
+#include "lua/metadoc.hpp"
+#include "player.h"
+#include "towners.h"
+
+namespace devilution {
+namespace {
+
+const char *const TownerTableNames[NUM_TOWNER_TYPES] {
+	"griswold",
+	"pepin",
+	"deadguy",
+	"ogden",
+	"cain",
+	"farnham",
+	"adria",
+	"gillian",
+	"wirt",
+	"cow",
+	"lester",
+	"celia",
+	"nut",
+};
+
+void PopulateTownerTable(_talker_id townerId, sol::table &out)
+{
+	SetDocumented(out, "position", "()",
+	    "Returns towner coordinates",
+	    [townerId]() -> std::optional<std::pair<int, int>> {
+		    const Towner *towner = GetTowner(townerId);
+		    if (towner == nullptr) return std::nullopt;
+		    return std::make_pair(towner->position.x, towner->position.y);
+	    });
+}
+} // namespace
+
+sol::table LuaTownersModule(sol::state_view &lua)
+{
+	sol::table table = lua.create_table();
+	for (uint8_t townerId = TOWN_SMITH; townerId < NUM_TOWNER_TYPES; ++townerId) {
+		sol::table townerTable = lua.create_table();
+		PopulateTownerTable(static_cast<_talker_id>(townerId), townerTable);
+		SetDocumented(table, TownerTableNames[townerId], /*signature=*/"", TownerLongNames[townerId], std::move(townerTable));
+	}
+	return table;
+}
+
+} // namespace devilution

Source/lua/modules/towners.hpp

@@ -0,0 +1,9 @@
+#pragma once
+
+#include <sol/sol.hpp>
+
+namespace devilution {
+
+sol::table LuaTownersModule(sol::state_view &lua);
+
+} // namespace devilution

Source/towners.cpp

@@ -47,6 +47,7 @@ void InitTownerInfo(int16_t i, const TownerData &townerData)
 	auto &towner = Towners[i];
 
 	towner._ttype = townerData.type;
+	towner.name = _(TownerLongNames[townerData.type]);
 	towner.position = townerData.position;
 	towner.talk = townerData.talk;
 
@@ -81,7 +82,6 @@ void InitSmith(Towner &towner, const TownerData &townerData)
 	};
 	towner.animOrder = { AnimOrder };
 	LoadTownerAnimations(towner, "towners\\smith\\smithn", 16, 3);
-	towner.name = _("Griswold the Blacksmith");
 	towner.gossip = PickRandomlyAmong({ TEXT_GRISWOLD2, TEXT_GRISWOLD3, TEXT_GRISWOLD4, TEXT_GRISWOLD5, TEXT_GRISWOLD6, TEXT_GRISWOLD7, TEXT_GRISWOLD8, TEXT_GRISWOLD9, TEXT_GRISWOLD10, TEXT_GRISWOLD12, TEXT_GRISWOLD13 });
 }
 
@@ -103,7 +103,6 @@ void InitBarOwner(Towner &towner, const TownerData &townerData)
 	};
 	towner.animOrder = { AnimOrder };
 	LoadTownerAnimations(towner, "towners\\twnf\\twnfn", 16, 3);
-	towner.name = _("Ogden the Tavern owner");
 	towner.gossip = PickRandomlyAmong({ TEXT_OGDEN2, TEXT_OGDEN3, TEXT_OGDEN4, TEXT_OGDEN5, TEXT_OGDEN6, TEXT_OGDEN8, TEXT_OGDEN9, TEXT_OGDEN10 });
 }
 
@@ -112,7 +111,6 @@ void InitTownDead(Towner &towner, const TownerData &townerData)
 	towner._tAnimWidth = 96;
 	towner.animOrder = {};
 	LoadTownerAnimations(towner, "towners\\butch\\deadguy", 8, 6);
-	towner.name = _("Wounded Townsman");
 }
 
 void InitWitch(Towner &towner, const TownerData &townerData)
@@ -133,7 +131,6 @@ void InitWitch(Towner &towner, const TownerData &townerData)
 	};
 	towner.animOrder = { AnimOrder };
 	LoadTownerAnimations(towner, "towners\\townwmn1\\witch", 19, 6);
-	towner.name = _("Adria the Witch");
 	towner.gossip = PickRandomlyAmong({ TEXT_ADRIA2, TEXT_ADRIA3, TEXT_ADRIA4, TEXT_ADRIA5, TEXT_ADRIA6, TEXT_ADRIA7, TEXT_ADRIA8, TEXT_ADRIA9, TEXT_ADRIA10, TEXT_ADRIA12, TEXT_ADRIA13 });
 }
 
@@ -142,7 +139,6 @@ void InitBarmaid(Towner &towner, const TownerData &townerData)
 	towner._tAnimWidth = 96;
 	towner.animOrder = {};
 	LoadTownerAnimations(towner, "towners\\townwmn1\\wmnn", 18, 6);
-	towner.name = _("Gillian the Barmaid");
 	towner.gossip = PickRandomlyAmong({ TEXT_GILLIAN2, TEXT_GILLIAN3, TEXT_GILLIAN4, TEXT_GILLIAN5, TEXT_GILLIAN6, TEXT_GILLIAN7, TEXT_GILLIAN9, TEXT_GILLIAN10 });
 }
 
@@ -151,7 +147,6 @@ void InitBoy(Towner &towner, const TownerData &townerData)
 	towner._tAnimWidth = 96;
 	towner.animOrder = {};
 	LoadTownerAnimations(towner, "towners\\townboy\\pegkid1", 20, 6);
-	towner.name = _("Wirt the Peg-legged boy");
 	towner.gossip = PickRandomlyAmong({ TEXT_WIRT2, TEXT_WIRT3, TEXT_WIRT4, TEXT_WIRT5, TEXT_WIRT6, TEXT_WIRT7, TEXT_WIRT8, TEXT_WIRT9, TEXT_WIRT11, TEXT_WIRT12 });
 }
 
@@ -173,7 +168,6 @@ void InitHealer(Towner &towner, const TownerData &townerData)
 	};
 	towner.animOrder = { AnimOrder };
 	LoadTownerAnimations(towner, "towners\\healer\\healer", 20, 6);
-	towner.name = _("Pepin the Healer");
 	towner.gossip = PickRandomlyAmong({ TEXT_PEPIN2, TEXT_PEPIN3, TEXT_PEPIN4, TEXT_PEPIN5, TEXT_PEPIN6, TEXT_PEPIN7, TEXT_PEPIN9, TEXT_PEPIN10, TEXT_PEPIN11 });
 }
 
@@ -190,7 +184,6 @@ void InitTeller(Towner &towner, const TownerData &townerData)
 	};
 	towner.animOrder = { AnimOrder };
 	LoadTownerAnimations(towner, "towners\\strytell\\strytell", 25, 3);
-	towner.name = _("Cain the Elder");
 	towner.gossip = PickRandomlyAmong({ TEXT_STORY2, TEXT_STORY3, TEXT_STORY4, TEXT_STORY5, TEXT_STORY6, TEXT_STORY7, TEXT_STORY9, TEXT_STORY10, TEXT_STORY11 });
 }
 
@@ -206,7 +199,6 @@ void InitDrunk(Towner &towner, const TownerData &townerData)
 	};
 	towner.animOrder = { AnimOrder };
 	LoadTownerAnimations(towner, "towners\\drunk\\twndrunk", 18, 3);
-	towner.name = _("Farnham the Drunk");
 	towner.gossip = PickRandomlyAmong({ TEXT_FARNHAM2, TEXT_FARNHAM3, TEXT_FARNHAM4, TEXT_FARNHAM5, TEXT_FARNHAM6, TEXT_FARNHAM8, TEXT_FARNHAM9, TEXT_FARNHAM10, TEXT_FARNHAM11, TEXT_FARNHAM12, TEXT_FARNHAM13 });
 }
 
@@ -217,7 +209,6 @@ void InitCows(Towner &towner, const TownerData &townerData)
 
 	NewTownerAnim(towner, (*CowSprites)[static_cast<size_t>(townerData.dir)], 12, 3);
 	towner._tAnimFrame = GenerateRnd(11);
-	towner.name = _("Cow");
 
 	const Point position = townerData.position;
 	int16_t cowId = dMonster[position.x][position.y];
@@ -240,7 +231,6 @@ void InitFarmer(Towner &towner, const TownerData &townerData)
 	towner._tAnimWidth = 96;
 	towner.animOrder = {};
 	LoadTownerAnimations(towner, "towners\\farmer\\farmrn2", 15, 3);
-	towner.name = _("Lester the farmer");
 }
 
 void InitCowFarmer(Towner &towner, const TownerData &townerData)
@@ -252,15 +242,13 @@ void InitCowFarmer(Towner &towner, const TownerData &townerData)
 	towner._tAnimWidth = 96;
 	towner.animOrder = {};
 	LoadTownerAnimations(towner, celPath, 15, 3);
-	towner.name = _("Complete Nut");
 }
 
 void InitGirl(Towner &towner, const TownerData &townerData)
 {
 	towner._tAnimWidth = 96;
 	towner.animOrder = {};
 	LoadTownerAnimations(towner, "towners\\girl\\girlw1", 20, 6);
-	towner.name = _("Celia");
 }
 
 void TownDead(Towner &towner)
@@ -780,6 +768,22 @@ const TownerData TownersData[] = {
 
 Towner Towners[NUM_TOWNERS];
 
+const char *const TownerLongNames[NUM_TOWNER_TYPES] {
+	N_("Griswold the Blacksmith"),
+	N_("Pepin the Healer"),
+	N_("Wounded Townsman"),
+	N_("Ogden the Tavern owner"),
+	N_("Cain the Elder"),
+	N_("Farnham the Drunk"),
+	N_("Adria the Witch"),
+	N_("Gillian the Barmaid"),
+	N_("Wirt the Peg-legged boy"),
+	N_("Cow"),
+	N_("Lester the farmer"),
+	N_("Celia"),
+	N_("Complete Nut")
+};
+
 /** Contains the data related to quest gossip for each towner ID. */
 _speech_id QuestDialogTable[NUM_TOWNER_TYPES][MAXQUESTS] = {
 	// clang-format off

Source/towners.h

@@ -38,6 +38,8 @@ enum _talker_id : uint8_t {
 	NUM_TOWNER_TYPES,
 };
 
+extern const char *const TownerLongNames[NUM_TOWNER_TYPES];
+
 struct Towner {
 	OptionalOwnedClxSpriteList ownedAnim;
 	OptionalClxSpriteList anim;

assets/lua/repl_prelude.lua

@@ -2,7 +2,9 @@ events = require('devilutionx.events')
 i18n = require('devilutionx.i18n')
 log = require('devilutionx.log')
 audio = require('devilutionx.audio')
+player = require('devilutionx.player')
 render = require('devilutionx.render')
+towners = require('devilutionx.towners')
 message = require('devilutionx.message')
 if _DEBUG then dev = require('devilutionx.dev') end
 inspect = require('inspect')