Merge pull request #667 from MihailRis/more-about-projects

More about projects (part 3)

src/logic/scripting/lua/libs/libaudio.cpp

@@ -1,6 +1,7 @@
 #include "audio/audio.hpp"
 #include "assets/Assets.hpp"
 #include "engine/Engine.hpp"
+#include "engine/EnginePaths.hpp"
 #include "api_lua.hpp"
 
 inline const char* DEFAULT_CHANNEL = "regular";

src/logic/scripting/lua/libs/libcore.cpp

@@ -8,7 +8,7 @@
 #include "content/Content.hpp"
 #include "content/ContentControl.hpp"
 #include "engine/Engine.hpp"
-#include "io/engine_paths.hpp"
+#include "engine/EnginePaths.hpp"
 #include "io/io.hpp"
 #include "io/settings_io.hpp"
 #include "frontend/menu.hpp"
@@ -43,7 +43,16 @@ static int l_reset_content(lua::State* L) {
     if (level != nullptr) {
         throw std::runtime_error("world must be closed before");
     }
-    content_control->resetContent();
+    std::vector<std::string> nonResetPacks;
+    if (lua::istable(L, 1)) {
+        int len = lua::objlen(L, 1);
+        for (int i = 0; i < len; i++) {
+            lua::rawgeti(L, i + 1, 1);
+            nonResetPacks.emplace_back(lua::require_lstring(L, -1));
+            lua::pop(L);
+        }
+    }
+    content_control->resetContent(std::move(nonResetPacks));
     return 0;
 }
 

src/logic/scripting/lua/libs/libentity.cpp

@@ -2,6 +2,7 @@
 
 #include "content/Content.hpp"
 #include "engine/Engine.hpp"
+#include "engine/EnginePaths.hpp"
 #include "objects/Entities.hpp"
 #include "objects/EntityDef.hpp"
 #include "objects/Entity.hpp"

src/logic/scripting/lua/libs/libfile.cpp

@@ -3,7 +3,7 @@
 
 #include "coders/gzip.hpp"
 #include "engine/Engine.hpp"
-#include "io/engine_paths.hpp"
+#include "engine/EnginePaths.hpp"
 #include "io/io.hpp"
 #include "io/devices/ZipFileDevice.hpp"
 #include "util/stringutil.hpp"

src/logic/scripting/lua/libs/libgeneration.cpp

@@ -9,6 +9,7 @@
 #include "content/Content.hpp"
 #include "content/ContentControl.hpp"
 #include "engine/Engine.hpp"
+#include "engine/EnginePaths.hpp"
 #include "../lua_custom_types.hpp"
 
 using namespace scripting;

src/logic/scripting/lua/libs/libpack.cpp

@@ -10,7 +10,7 @@
 #include "graphics/ui/elements/Menu.hpp"
 #include "frontend/locale.hpp"
 #include "world/files/WorldFiles.hpp"
-#include "io/engine_paths.hpp"
+#include "engine/EnginePaths.hpp"
 #include "world/Level.hpp"
 #include "world/World.hpp"
 #include "api_lua.hpp"

src/logic/scripting/lua/libs/libworld.cpp

@@ -10,7 +10,7 @@
 #include "content/ContentControl.hpp"
 #include "engine/Engine.hpp"
 #include "world/files/WorldFiles.hpp"
-#include "io/engine_paths.hpp"
+#include "engine/EnginePaths.hpp"
 #include "io/io.hpp"
 #include "lighting/Lighting.hpp"
 #include "voxels/Chunk.hpp"

src/logic/scripting/lua/lua_engine.cpp

@@ -4,7 +4,7 @@
 #include <iostream>
 
 #include "io/io.hpp"
-#include "io/engine_paths.hpp"
+#include "engine/EnginePaths.hpp"
 #include "debug/Logger.hpp"
 #include "util/stringutil.hpp"
 #include "libs/api_lua.hpp"

src/logic/scripting/lua/lua_util.cpp

@@ -336,6 +336,22 @@ int lua::create_environment(State* L, int parent) {
     return id;
 }
 
+int lua::restore_pack_environment(lua::State* L, const std::string& packid) {
+    if(!lua::getglobal(L, "__vc__pack_envs")) {
+        return -1;
+    }
+    int id = nextEnvironment++;
+
+    if (lua::getfield(L, packid)) {
+        // envname = env
+        setglobal(L, env_name(id));
+        lua::pop(L);
+        return id;
+    }
+    lua::pop(L);
+    return -1;
+}
+
 void lua::remove_environment(State* L, int id) {
     if (id == 0) {
         return;

src/logic/scripting/lua/lua_util.hpp

@@ -614,6 +614,7 @@ namespace lua {
         return 0;
     }
     int create_environment(lua::State*, int parent);
+    int restore_pack_environment(lua::State*, const std::string& packid);
     void remove_environment(lua::State*, int id);
 
     inline void close(lua::State* L) {

src/logic/scripting/lua/usertypes/lua_type_heightmap.cpp

@@ -13,6 +13,7 @@
 #include "graphics/core/ImageData.hpp"
 #include "maths/Heightmap.hpp"
 #include "engine/Engine.hpp"
+#include "engine/EnginePaths.hpp"
 #include "../lua_util.hpp"
 
 using namespace lua;

src/logic/scripting/scripting.cpp

@@ -9,7 +9,7 @@
 #include "content/ContentControl.hpp"
 #include "debug/Logger.hpp"
 #include "engine/Engine.hpp"
-#include "io/engine_paths.hpp"
+#include "engine/EnginePaths.hpp"
 #include "io/io.hpp"
 #include "frontend/UiDocument.hpp"
 #include "items/Inventory.hpp"
@@ -173,7 +173,15 @@ std::unique_ptr<Process> scripting::start_app_script(const io::path& script) {
     const ContentPack& pack
 ) {
     auto L = lua::get_main_state();
-    int id = lua::create_environment(L, 0);
+    int id = lua::restore_pack_environment(L, pack.id);
+    if (id != -1) {
+        return std::shared_ptr<int>(new int(id), [=](int* id) { //-V508
+            lua::remove_environment(L, *id);
+            delete id;
+        });
+    }
+    id = lua::create_environment(L, 0);
+
     lua::pushenv(L, id);
     lua::pushvalue(L, -1);
     lua::setfield(L, "PACK_ENV");
@@ -348,7 +356,7 @@ void scripting::on_world_quit() {
     scripting::controller = nullptr;
 }
 
-void scripting::cleanup() {
+void scripting::cleanup(const std::vector<std::string>& nonReset) {
     auto L = lua::get_main_state();
     lua::requireglobal(L, "pack");
     for (auto& pack : content_control->getAllContentPacks()) {
@@ -359,7 +367,12 @@ void scripting::cleanup() {
     lua::pop(L);
 
     if (lua::getglobal(L, "__scripts_cleanup")) {
-        lua::call_nothrow(L, 0);
+        lua::createtable(L, nonReset.size(), 0);
+        for (size_t i = 0; i < nonReset.size(); i++) {
+            lua::pushstring(L, nonReset[i]);
+            lua::rawseti(L, i + 1);
+        }
+        lua::call_nothrow(L, 1);
     }
 }
 

src/logic/scripting/scripting.hpp

@@ -82,7 +82,7 @@ namespace scripting {
     void on_world_tick(int tps);
     void on_world_save();
     void on_world_quit();
-    void cleanup();
+    void cleanup(const std::vector<std::string>& nonReset);
     void on_blocks_tick(const Block& block, int tps);
     void update_block(const Block& block, const glm::ivec3& pos);
     void random_update_block(const Block& block, const glm::ivec3& pos);