add on_replaced block event and on_block_replaced world event

doc/en/scripting/events.md

@@ -16,6 +16,12 @@ function on_broken(x, y, z, playerid)
 
 Called on block broken by player
 
+```lua
+function on_replaced(x, y, z, playerid)
+```
+
+Called on block replaced with other by player
+
 ```lua
 function on_interact(x, y, z, playerid) -> bool
 ```

doc/ru/scripting/events.md

@@ -16,6 +16,12 @@ function on_broken(x, y, z, playerid)
 
 Вызывается после разрушения блока игроком
 
+```lua
+function on_replaced(x, y, z, playerid)
+```
+
+Вызывается после замены блока игроком
+
 ```lua
 function on_interact(x, y, z, playerid) -> bool
 ```

src/content/ContentPack.hpp

@@ -97,6 +97,7 @@ struct ContentPackStats {
 
 struct world_funcs_set {
     bool onblockplaced : 1;
+    bool onblockreplaced : 1;
     bool onblockbroken : 1;
     bool onblockinteract : 1;
     bool onplayertick : 1;

src/logic/BlocksController.cpp

@@ -75,6 +75,13 @@ void BlocksController::breakBlock(
 void BlocksController::placeBlock(
     Player* player, const Block& def, blockstate state, int x, int y, int z
 ) {
+    auto voxel = chunks.get(x, y, z);
+    if (voxel == nullptr) {
+        return;
+    }
+    const auto& prevDef = level.content->getIndices()->blocks.require(voxel->id);
+    scripting::on_block_replaced(player, prevDef, {x, y, z});
+
     onBlockInteraction(
         player, glm::ivec3(x, y, z), def, BlockInteraction::placing
     );

src/logic/scripting/scripting.cpp

@@ -284,6 +284,32 @@ void scripting::on_block_placed(
     }
 }
 
+void scripting::on_block_replaced(
+    Player* player, const Block& block, const glm::ivec3& pos
+) {
+    if (block.rt.funcsset.onreplaced) {
+        std::string name = block.name + ".replaced";
+        lua::emit_event(lua::get_main_state(), name, [pos, player](auto L) {
+            lua::pushivec_stack(L, pos);
+            lua::pushinteger(L, player ? player->getId() : -1);
+            return 4;
+        });
+    }
+    auto args = [&](lua::State* L) {
+        lua::pushinteger(L, block.rt.id);
+        lua::pushivec_stack(L, pos);
+        lua::pushinteger(L, player ? player->getId() : -1);
+        return 5;
+    };
+    for (auto& [packid, pack] : content->getPacks()) {
+        if (pack->worldfuncsset.onblockreplaced) {
+            lua::emit_event(
+                lua::get_main_state(), packid + ":.blockreplaced", args
+            );
+        }
+    }
+}
+
 void scripting::on_block_broken(
     Player* player, const Block& block, const glm::ivec3& pos
 ) {
@@ -701,6 +727,8 @@ void scripting::load_content_script(
         register_event(env, "on_random_update", prefix + ".randupdate");
     funcsset.onbroken = register_event(env, "on_broken", prefix + ".broken");
     funcsset.onplaced = register_event(env, "on_placed", prefix + ".placed");
+    funcsset.onreplaced =
+        register_event(env, "on_replaced", prefix + ".replaced");
     funcsset.oninteract =
         register_event(env, "on_interact", prefix + ".interact");
     funcsset.onblockstick =
@@ -752,6 +780,8 @@ void scripting::load_world_script(
         register_event(env, "on_block_placed", prefix + ":.blockplaced");
     funcsset.onblockbroken =
         register_event(env, "on_block_broken", prefix + ":.blockbroken");
+    funcsset.onblockreplaced =
+        register_event(env, "on_block_replaced", prefix + ":.blockreplaced");
     funcsset.onblockinteract =
         register_event(env, "on_block_interact", prefix + ":.blockinteract");
     funcsset.onplayertick =

src/logic/scripting/scripting.hpp

@@ -71,6 +71,9 @@ namespace scripting {
     void on_block_placed(
         Player* player, const Block& block, const glm::ivec3& pos
     );
+    void on_block_replaced(
+        Player* player, const Block& block, const glm::ivec3& pos
+    );
     void on_block_broken(
         Player* player, const Block& block, const glm::ivec3& pos
     );

src/voxels/Block.hpp

@@ -39,6 +39,7 @@ struct block_funcs_set {
     bool update : 1;
     bool onplaced : 1;
     bool onbroken : 1;
+    bool onreplaced : 1;
     bool oninteract : 1;
     bool randupdate : 1;
     bool onblockstick : 1;