[11519] | 1 | |
---|
| 2 | #include "scriptable_controller.h" |
---|
| 3 | #include "luatb.h" |
---|
[11562] | 4 | #include "infos/PlayerInfo.h" |
---|
[11519] | 5 | |
---|
| 6 | namespace orxonox |
---|
| 7 | { |
---|
| 8 | |
---|
| 9 | // Used https://csl.name/post/lua-and-cpp/ as a reference |
---|
| 10 | int ScriptableController::runScript(const std::string &file_path) |
---|
| 11 | { |
---|
| 12 | int ret; |
---|
| 13 | |
---|
| 14 | // Create a lua object |
---|
| 15 | lua_State *lua = luaL_newstate(); |
---|
| 16 | if(lua == nullptr) |
---|
| 17 | { |
---|
| 18 | orxout(internal_warning) << "ScriptableController: Falied to load script " << file_path << std::endl; |
---|
| 19 | return LUA_ERRMEM; |
---|
| 20 | } |
---|
| 21 | |
---|
| 22 | // Make standard libraries available in the Lua object |
---|
| 23 | luaL_openlibs(lua); |
---|
| 24 | |
---|
| 25 | // Register the API |
---|
| 26 | ScriptableControllerAPI *api = new ScriptableControllerAPI(lua, this); |
---|
| 27 | |
---|
| 28 | // Load the program; this supports both source code and bytecode files. |
---|
| 29 | if((ret = luaL_loadfile(lua, file_path.c_str())) != 0) |
---|
| 30 | { |
---|
| 31 | this->printLuaError(lua); |
---|
| 32 | delete api; |
---|
| 33 | return ret; |
---|
| 34 | } |
---|
| 35 | |
---|
| 36 | // Execute the script |
---|
| 37 | if((ret = lua_pcall(lua, 0, LUA_MULTRET, 0)) != 0) |
---|
| 38 | { |
---|
| 39 | this->printLuaError(lua); |
---|
| 40 | delete api; |
---|
| 41 | return ret; |
---|
| 42 | } |
---|
| 43 | |
---|
| 44 | // Remeber the api |
---|
| 45 | this->apis_.push_back(std::unique_ptr<ScriptableControllerAPI>(api)); |
---|
| 46 | |
---|
| 47 | // Only the caller knows, when the end-of-life of the script is reached, |
---|
| 48 | // so we give him control over when to destroy it. |
---|
| 49 | return 0; |
---|
| 50 | } |
---|
| 51 | |
---|
[11562] | 52 | void ScriptableController::setPlayer(PlayerInfo *player) |
---|
| 53 | { |
---|
| 54 | this->player_ = player; |
---|
| 55 | } |
---|
| 56 | |
---|
[11519] | 57 | void ScriptableController::registerWorldEntity(int id, WorldEntity *obj) |
---|
| 58 | { |
---|
[11562] | 59 | orxout(user_info) << "WorldEntity registered (id: " << id << ")" << std::endl; |
---|
[11519] | 60 | this->worldEntities_[id] = obj; |
---|
| 61 | } |
---|
| 62 | |
---|
| 63 | void ScriptableController::registerControllableEntity(int id, ControllableEntity *obj) |
---|
| 64 | { |
---|
[11562] | 65 | orxout(user_info) << "ControllableEntity registered (id: " << id << ")" << std::endl; |
---|
[11519] | 66 | this->worldEntities_[id] = obj; |
---|
| 67 | } |
---|
| 68 | |
---|
| 69 | WorldEntity *ScriptableController::getWorldEntityByID(int id) const |
---|
| 70 | { |
---|
[11562] | 71 | if(id == 0) |
---|
| 72 | return this->player_->getControllableEntity(); |
---|
| 73 | |
---|
[11519] | 74 | auto obj = this->worldEntities_.find(id); |
---|
| 75 | return obj != this->worldEntities_.end() ? obj->second : nullptr; |
---|
| 76 | } |
---|
| 77 | |
---|
| 78 | ControllableEntity *ScriptableController::getControllableEntityByID(int id) const |
---|
| 79 | { |
---|
[11562] | 80 | if(id == 0) |
---|
| 81 | return this->player_->getControllableEntity(); |
---|
| 82 | |
---|
[11519] | 83 | auto obj = this->controllabelEntities_.find(id); |
---|
| 84 | return obj != this->controllabelEntities_.end() ? obj->second : nullptr; |
---|
| 85 | } |
---|
| 86 | |
---|
[11562] | 87 | void ScriptableController::addNearObjectHandler(int obj1, int obj2, double distance, std::function<void (int,int)> callback) |
---|
[11549] | 88 | { |
---|
[11562] | 89 | orxout(user_info) << "NearObject registering (id 1: " << obj1 << ", id 2: " << obj2 << ")" << std::endl; |
---|
| 90 | |
---|
| 91 | WorldEntity *entity1 = this->getWorldEntityByID(obj1); |
---|
| 92 | WorldEntity *entity2 = this->getWorldEntityByID(obj2); |
---|
| 93 | |
---|
| 94 | NearObjectHandler *handler1 = new NearObjectHandler(entity2, distance, callback); |
---|
| 95 | NearObjectHandler *handler2 = new NearObjectHandler(entity1, distance, callback); |
---|
| 96 | |
---|
| 97 | this->nearObjectHandlers_[entity1].push_front(std::unique_ptr<NearObjectHandler>(handler1)); |
---|
| 98 | this->nearObjectHandlers_[entity2].push_front(std::unique_ptr<NearObjectHandler>(handler2)); |
---|
| 99 | |
---|
| 100 | handler1->otherHandler_ = this->nearObjectHandlers_[entity2].begin(); |
---|
| 101 | handler2->otherHandler_ = this->nearObjectHandlers_[entity1].begin(); |
---|
[11549] | 102 | } |
---|
| 103 | |
---|
[11562] | 104 | void ScriptableController::objectMoved(WorldEntity *obj) |
---|
[11549] | 105 | { |
---|
[11562] | 106 | // Temp |
---|
| 107 | return; |
---|
[11549] | 108 | |
---|
[11562] | 109 | auto &nearObjectHandlers = this->nearObjectHandlers_[obj]; |
---|
| 110 | auto handler = nearObjectHandlers.begin(); |
---|
| 111 | while(handler != nearObjectHandlers.end()) |
---|
[11549] | 112 | { |
---|
[11562] | 113 | WorldEntity *other = (*handler)->otherObject_; |
---|
| 114 | if((obj->getPosition() - other->getPosition()).length() < (*handler)->distance_) |
---|
[11549] | 115 | { |
---|
[11562] | 116 | (*handler)->callback_(obj->getID(), other->getID()); |
---|
| 117 | |
---|
| 118 | auto otherHandler = (*handler)->otherHandler_; |
---|
| 119 | handler = nearObjectHandlers.erase(handler); |
---|
| 120 | if(nearObjectHandlers.empty()) |
---|
| 121 | this->nearObjectHandlers_.erase(obj); |
---|
| 122 | |
---|
| 123 | this->nearObjectHandlers_[other].erase(otherHandler); |
---|
| 124 | if(this->nearObjectHandlers_[other].empty()) |
---|
| 125 | this->nearObjectHandlers_.erase(other); |
---|
[11549] | 126 | } |
---|
| 127 | else |
---|
| 128 | { |
---|
[11562] | 129 | handler++; |
---|
[11549] | 130 | } |
---|
| 131 | } |
---|
| 132 | } |
---|
| 133 | |
---|
[11519] | 134 | void ScriptableController::printLuaError(lua_State *lua) |
---|
| 135 | { |
---|
| 136 | // The error message is on top of the stack. |
---|
| 137 | // Fetch it, print it and then pop it off the stack. |
---|
| 138 | // Yes, this is 'const char*' and not 'std::string' because that's what lua gives us. |
---|
| 139 | const char* message = lua_tostring(lua, -1); |
---|
| 140 | std::cout << message << std::endl; |
---|
| 141 | lua_pop(lua, 1); |
---|
| 142 | } |
---|
| 143 | |
---|
| 144 | } |
---|