diff options
| -rw-r--r-- | doc/lua_api.txt | 5 | ||||
| -rw-r--r-- | src/content_sao.cpp | 32 | ||||
| -rw-r--r-- | src/script/cpp_api/s_entity.cpp | 15 | ||||
| -rw-r--r-- | src/script/cpp_api/s_entity.h | 4 |
4 files changed, 33 insertions, 23 deletions
diff --git a/doc/lua_api.txt b/doc/lua_api.txt index ee7d57c2f..ff745c1c2 100644 --- a/doc/lua_api.txt +++ b/doc/lua_api.txt @@ -1392,7 +1392,7 @@ a non-tool item, so that it can do something else than take damage. On the Lua side, every punch calls: - entity:on_punch(puncher, time_from_last_punch, tool_capabilities, direction) + entity:on_punch(puncher, time_from_last_punch, tool_capabilities, direction, damage) This should never be called directly, because damage is usually not handled by the entity itself. @@ -1403,6 +1403,9 @@ the entity itself. * `tool_capabilities` can be `nil`. * `direction` is a unit vector, pointing from the source of the punch to the punched object. +* `damage` damage that will be done to entity +Return value of this function will determin if damage is done by this function +(retval true) or shall be done by engine (retval false) To punch an entity/object in Lua, call: diff --git a/src/content_sao.cpp b/src/content_sao.cpp index 35133490e..7a1171eb7 100644 --- a/src/content_sao.cpp +++ b/src/content_sao.cpp @@ -578,28 +578,32 @@ int LuaEntitySAO::punch(v3f dir, punchitem, time_from_last_punch); - if (result.did_punch) { - setHP(getHP() - result.damage); + bool damage_handled = m_env->getScriptIface()->luaentity_Punch(m_id, puncher, + time_from_last_punch, toolcap, dir, result.did_punch ? result.damage : 0); - if (result.damage > 0) { - std::string punchername = puncher ? puncher->getDescription() : "nil"; + if (!damage_handled) { + if (result.did_punch) { + setHP(getHP() - result.damage); - actionstream << getDescription() << " punched by " - << punchername << ", damage " << result.damage - << " hp, health now " << getHP() << " hp" << std::endl; - } + if (result.damage > 0) { + std::string punchername = puncher ? puncher->getDescription() : "nil"; - std::string str = gob_cmd_punched(result.damage, getHP()); - // create message and add to list - ActiveObjectMessage aom(getId(), true, str); - m_messages_out.push(aom); + actionstream << getDescription() << " punched by " + << punchername << ", damage " << result.damage + << " hp, health now " << getHP() << " hp" << std::endl; + } + + std::string str = gob_cmd_punched(result.damage, getHP()); + // create message and add to list + ActiveObjectMessage aom(getId(), true, str); + m_messages_out.push(aom); + } } if (getHP() == 0) m_removed = true; - m_env->getScriptIface()->luaentity_Punch(m_id, puncher, - time_from_last_punch, toolcap, dir); + return result.wear; } diff --git a/src/script/cpp_api/s_entity.cpp b/src/script/cpp_api/s_entity.cpp index 378a6bf09..fcd8dd4a0 100644 --- a/src/script/cpp_api/s_entity.cpp +++ b/src/script/cpp_api/s_entity.cpp @@ -224,10 +224,10 @@ void ScriptApiEntity::luaentity_Step(u16 id, float dtime) } // Calls entity:on_punch(ObjectRef puncher, time_from_last_punch, -// tool_capabilities, direction) -void ScriptApiEntity::luaentity_Punch(u16 id, +// tool_capabilities, direction, damage) +bool ScriptApiEntity::luaentity_Punch(u16 id, ServerActiveObject *puncher, float time_from_last_punch, - const ToolCapabilities *toolcap, v3f dir) + const ToolCapabilities *toolcap, v3f dir, s16 damage) { SCRIPTAPI_PRECHECKHEADER @@ -242,8 +242,8 @@ void ScriptApiEntity::luaentity_Punch(u16 id, // Get function lua_getfield(L, -1, "on_punch"); if (lua_isnil(L, -1)) { - lua_pop(L, 2); // Pop on_punch and entitu - return; + lua_pop(L, 2); // Pop on_punch and entity + return false; } luaL_checktype(L, -1, LUA_TFUNCTION); lua_pushvalue(L, object); // self @@ -251,11 +251,14 @@ void ScriptApiEntity::luaentity_Punch(u16 id, lua_pushnumber(L, time_from_last_punch); push_tool_capabilities(L, *toolcap); push_v3f(L, dir); + lua_pushnumber(L, damage); setOriginFromTable(object); - PCALL_RES(lua_pcall(L, 5, 0, error_handler)); + PCALL_RES(lua_pcall(L, 6, 0, error_handler)); + bool retval = lua_toboolean(L, -1); lua_pop(L, 2); // Pop object and error handler + return retval; } // Calls entity:on_rightclick(ObjectRef clicker) diff --git a/src/script/cpp_api/s_entity.h b/src/script/cpp_api/s_entity.h index 8df9d7f00..4e2a056bb 100644 --- a/src/script/cpp_api/s_entity.h +++ b/src/script/cpp_api/s_entity.h @@ -38,9 +38,9 @@ public: void luaentity_GetProperties(u16 id, ObjectProperties *prop); void luaentity_Step(u16 id, float dtime); - void luaentity_Punch(u16 id, + bool luaentity_Punch(u16 id, ServerActiveObject *puncher, float time_from_last_punch, - const ToolCapabilities *toolcap, v3f dir); + const ToolCapabilities *toolcap, v3f dir, s16 damage); void luaentity_Rightclick(u16 id, ServerActiveObject *clicker); }; |