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Group "immortal" also protects players from damage

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Document new meaning of immortal=1 for players

Disable breathing if player is immortal

Hide builtin statbars if player immortal (delayed)

Co-authored-by: ClobberXD <ClobberXD@gmail.com>
This commit is contained in:
Wuzzy 2019-02-21 00:36:17 +01:00 committed by sfan5
parent 3296952ae5
commit ec3142af99
5 changed files with 25 additions and 19 deletions
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7
builtin/game/statbars.lua
View File

@ -50,7 +50,8 @@ local function update_builtin_statbars(player)
end end
local hud = hud_ids[name] local hud = hud_ids[name]
if flags.healthbar and enable_damage then local immortal = player:get_armor_groups().immortal == 1
if flags.healthbar and enable_damage and not immortal then
local number = scaleToDefault(player, "hp") local number = scaleToDefault(player, "hp")
if hud.id_healthbar == nil then if hud.id_healthbar == nil then
local hud_def = table.copy(health_bar_definition) local hud_def = table.copy(health_bar_definition)
@ -65,7 +66,7 @@ local function update_builtin_statbars(player)
end end
local breath_max = player:get_properties().breath_max local breath_max = player:get_properties().breath_max
if flags.breathbar and enable_damage and if flags.breathbar and enable_damage and not immortal and
player:get_breath() < breath_max then player:get_breath() < breath_max then
local number = 2 * scaleToDefault(player, "breath") local number = 2 * scaleToDefault(player, "breath")
if hud.id_breathbar == nil then if hud.id_breathbar == nil then
@ -116,7 +117,7 @@ local function player_event_handler(player,eventname)
end end
end end
if eventname == "hud_changed" then if eventname == "hud_changed" or eventname == "properties_changed" then
update_builtin_statbars(player) update_builtin_statbars(player)
return true return true
end end

4
doc/lua_api.txt
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@ -1533,7 +1533,9 @@ Another example: Make red wool from white wool and red dye:
Special groups Special groups
-------------- --------------
* `immortal`: Disables the group damage system for an entity * `immortal`: Skips all damage and breath handling for an object. This group
will also hide the integrated HUD status bars for players, and is
automatically set to all players when damage is disabled on the server.
* `punch_operable`: For entities; disables the regular damage mechanism for * `punch_operable`: For entities; disables the regular damage mechanism for
players punching it by hand or a non-tool item, so that it can do something players punching it by hand or a non-tool item, so that it can do something
else than take damage. else than take damage.

15
src/content_sao.cpp
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@ -134,7 +134,7 @@ void UnitSAO::setArmorGroups(const ItemGroupList &armor_groups)
m_armor_groups_sent = false; m_armor_groups_sent = false;
} }
const ItemGroupList &UnitSAO::getArmorGroups() const ItemGroupList &UnitSAO::getArmorGroups() const
{ {
return m_armor_groups; return m_armor_groups;
} }
@ -1015,14 +1015,14 @@ void PlayerSAO::step(float dtime, bool send_recommended)
} }
} }
if (m_breathing_interval.step(dtime, 0.5f)) { if (m_breathing_interval.step(dtime, 0.5f) && !isImmortal()) {
// Get nose/mouth position, approximate with eye position // Get nose/mouth position, approximate with eye position
v3s16 p = floatToInt(getEyePosition(), BS); v3s16 p = floatToInt(getEyePosition(), BS);
MapNode n = m_env->getMap().getNodeNoEx(p); MapNode n = m_env->getMap().getNodeNoEx(p);
const ContentFeatures &c = m_env->getGameDef()->ndef()->get(n); const ContentFeatures &c = m_env->getGameDef()->ndef()->get(n);
// If player is alive & no drowning & not in ignore, breathe // If player is alive & not drowning & not in ignore & not immortal, breathe
if (m_breath < m_prop.breath_max && if (m_breath < m_prop.breath_max && c.drowning == 0 &&
c.drowning == 0 && n.getContent() != CONTENT_IGNORE && m_hp > 0) n.getContent() != CONTENT_IGNORE && m_hp > 0)
setBreath(m_breath + 1); setBreath(m_breath + 1);
} }
@ -1069,6 +1069,7 @@ void PlayerSAO::step(float dtime, bool send_recommended)
// create message and add to list // create message and add to list
ActiveObjectMessage aom(getId(), true, str); ActiveObjectMessage aom(getId(), true, str);
m_messages_out.push(aom); m_messages_out.push(aom);
m_env->getScriptIface()->player_event(this, "properties_changed");
} }
// If attached, check that our parent is still there. If it isn't, detach. // If attached, check that our parent is still there. If it isn't, detach.
@ -1287,8 +1288,8 @@ int PlayerSAO::punch(v3f dir,
FATAL_ERROR_IF(!puncher, "Punch action called without SAO"); FATAL_ERROR_IF(!puncher, "Punch action called without SAO");
// No effect if PvP disabled // No effect if PvP disabled or if immortal
if (!g_settings->getBool("enable_pvp")) { if (isImmortal() || !g_settings->getBool("enable_pvp")) {
if (puncher->getType() == ACTIVEOBJECT_TYPE_PLAYER) { if (puncher->getType() == ACTIVEOBJECT_TYPE_PLAYER) {
std::string str = gob_cmd_punched(getHP()); std::string str = gob_cmd_punched(getHP());
// create message and add to list // create message and add to list

10
src/content_sao.h
View File

@ -45,11 +45,12 @@ public:
inline bool isAttached() const inline bool isAttached() const
{ return getParent(); } { return getParent(); }
inline bool isImmortal() const inline bool isImmortal() const
{ return itemgroup_get(m_armor_groups, "immortal"); } { return itemgroup_get(getArmorGroups(), "immortal"); }
void setArmorGroups(const ItemGroupList &armor_groups); void setArmorGroups(const ItemGroupList &armor_groups);
const ItemGroupList &getArmorGroups(); const ItemGroupList &getArmorGroups() const;
void setAnimation(v2f frame_range, float frame_speed, float frame_blend, bool frame_loop); void setAnimation(v2f frame_range, float frame_speed, float frame_blend, bool frame_loop);
void getAnimation(v2f *frame_range, float *frame_speed, float *frame_blend, bool *frame_loop); void getAnimation(v2f *frame_range, float *frame_speed, float *frame_blend, bool *frame_loop);
void setAnimationSpeed(float frame_speed); void setAnimationSpeed(float frame_speed);
@ -122,8 +123,8 @@ public:
{ return m_prop.static_save; } { return m_prop.static_save; }
void getStaticData(std::string *result) const; void getStaticData(std::string *result) const;
int punch(v3f dir, int punch(v3f dir,
const ToolCapabilities *toolcap=NULL, const ToolCapabilities *toolcap = nullptr,
ServerActiveObject *puncher=NULL, ServerActiveObject *puncher = nullptr,
float time_from_last_punch = 1000000); float time_from_last_punch = 1000000);
void rightClick(ServerActiveObject *clicker); void rightClick(ServerActiveObject *clicker);
void setPos(const v3f &pos); void setPos(const v3f &pos);
@ -132,6 +133,7 @@ public:
std::string getDescription(); std::string getDescription();
void setHP(s32 hp, const PlayerHPChangeReason &reason); void setHP(s32 hp, const PlayerHPChangeReason &reason);
u16 getHP() const; u16 getHP() const;
/* LuaEntitySAO-specific */ /* LuaEntitySAO-specific */
void setVelocity(v3f velocity); void setVelocity(v3f velocity);
void addVelocity(v3f velocity) void addVelocity(v3f velocity)