From dfc81983491417c5cd1c99d7db05e421c409379d Mon Sep 17 00:00:00 2001
From: Andrew Ward <rw@rubenwardy.com>
Date: Wed, 28 Mar 2018 16:05:18 +0100
Subject: Add reasons to on_dieplayer and on_hpchange

---
 src/script/lua_api/l_object.cpp | 39 ++++++++++++++++++++++++++++++---------
 1 file changed, 30 insertions(+), 9 deletions(-)

(limited to 'src/script/lua_api')

diff --git a/src/script/lua_api/l_object.cpp b/src/script/lua_api/l_object.cpp
index 5fc6f9d3c..e4c478df7 100644
--- a/src/script/lua_api/l_object.cpp
+++ b/src/script/lua_api/l_object.cpp
@@ -194,13 +194,14 @@ int ObjectRef::l_punch(lua_State *L)
 	// If the punched is a player, and its HP changed
 	if (src_original_hp != co->getHP() &&
 			co->getType() == ACTIVEOBJECT_TYPE_PLAYER) {
-		getServer(L)->SendPlayerHPOrDie((PlayerSAO *)co);
+		getServer(L)->SendPlayerHPOrDie((PlayerSAO *)co, PlayerHPChangeReason(PlayerHPChangeReason::PLAYER_PUNCH, puncher));
 	}
 
 	// If the puncher is a player, and its HP changed
 	if (dst_origin_hp != puncher->getHP() &&
 			puncher->getType() == ACTIVEOBJECT_TYPE_PLAYER) {
-		getServer(L)->SendPlayerHPOrDie((PlayerSAO *)puncher);
+		getServer(L)->SendPlayerHPOrDie((PlayerSAO *)puncher,
+				PlayerHPChangeReason(PlayerHPChangeReason::PLAYER_PUNCH, co));
 	}
 	return 0;
 }
@@ -226,17 +227,36 @@ int ObjectRef::l_right_click(lua_State *L)
 int ObjectRef::l_set_hp(lua_State *L)
 {
 	NO_MAP_LOCK_REQUIRED;
+
+	// Get Object
 	ObjectRef *ref = checkobject(L, 1);
 	luaL_checknumber(L, 2);
 	ServerActiveObject *co = getobject(ref);
-	if (co == NULL) return 0;
+	if (co == NULL)
+		return 0;
+
+	// Get HP
 	int hp = lua_tonumber(L, 2);
-	/*infostream<<"ObjectRef::l_set_hp(): id="<<co->getId()
-			<<" hp="<<hp<<std::endl;*/
+
+	// Get Reason
+	PlayerHPChangeReason reason(PlayerHPChangeReason::SET_HP);
+	reason.from_mod = true;
+	if (lua_istable(L, 3)) {
+		lua_pushvalue(L, 3);
+
+		lua_getfield(L, -1, "type");
+		if (lua_isstring(L, -1) && !reason.setTypeFromString(lua_tostring(L, -1))) {
+			errorstream << "Bad type given!" << std::endl;
+		}
+		lua_pop(L, 1);
+
+		reason.lua_reference = luaL_ref(L, LUA_REGISTRYINDEX);
+	}
+
 	// Do it
-	co->setHP(hp);
+	co->setHP(hp, reason);
 	if (co->getType() == ACTIVEOBJECT_TYPE_PLAYER)
-		getServer(L)->SendPlayerHPOrDie((PlayerSAO *)co);
+		getServer(L)->SendPlayerHPOrDie((PlayerSAO *)co, reason);
 
 	// Return
 	return 0;
@@ -729,9 +749,10 @@ int ObjectRef::l_set_properties(lua_State *L)
 		return 0;
 	read_object_properties(L, 2, prop, getServer(L)->idef());
 	if (prop->hp_max < co->getHP()) {
-		co->setHP(prop->hp_max);
+		PlayerHPChangeReason reason(PlayerHPChangeReason::SET_HP);
+		co->setHP(prop->hp_max, reason);
 		if (co->getType() == ACTIVEOBJECT_TYPE_PLAYER)
-			getServer(L)->SendPlayerHPOrDie((PlayerSAO *)co);
+			getServer(L)->SendPlayerHPOrDie((PlayerSAO *)co, reason);
 	}
 	co->notifyObjectPropertiesModified();
 	return 0;
-- 
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