goal.cpp

Go to the documentation of this file.
00001 /* $Id$ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
00008  */
00009 
00012 #include "stdafx.h"
00013 #include "company_func.h"
00014 #include "industry.h"
00015 #include "town.h"
00016 #include "window_func.h"
00017 #include "goal_base.h"
00018 #include "core/pool_func.hpp"
00019 #include "game/game.hpp"
00020 #include "command_func.h"
00021 #include "company_base.h"
00022 #include "string_func.h"
00023 #include "gui.h"
00024 #include "network/network.h"
00025 
00026 
00027 GoalID _new_goal_id;
00028 
00029 GoalPool _goal_pool("Goal");
00030 INSTANTIATE_POOL_METHODS(Goal)
00031 
00032 
00043 CommandCost CmdCreateGoal(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00044 {
00045   if (!Goal::CanAllocateItem()) return CMD_ERROR;
00046 
00047   GoalType type = (GoalType)GB(p1, 0, 8);
00048   CompanyID company = (CompanyID)GB(p1, 8, 8);
00049 
00050   if (_current_company != OWNER_DEITY) return CMD_ERROR;
00051   if (StrEmpty(text)) return CMD_ERROR;
00052   if (company != INVALID_COMPANY && !Company::IsValidID(company)) return CMD_ERROR;
00053 
00054   switch (type) {
00055     case GT_NONE:
00056       if (p2 != 0) return CMD_ERROR;
00057       break;
00058 
00059     case GT_TILE:
00060       if (!IsValidTile(p2)) return CMD_ERROR;
00061       break;
00062 
00063     case GT_INDUSTRY:
00064       if (!Industry::IsValidID(p2)) return CMD_ERROR;
00065       break;
00066 
00067     case GT_TOWN:
00068       if (!Town::IsValidID(p2)) return CMD_ERROR;
00069       break;
00070 
00071     case GT_COMPANY:
00072       if (!Company::IsValidID(p2)) return CMD_ERROR;
00073       break;
00074 
00075     default: return CMD_ERROR;
00076   }
00077 
00078   if (flags & DC_EXEC) {
00079     Goal *g = new Goal();
00080     g->type = type;
00081     g->dst = p2;
00082     g->company = company;
00083     g->text = strdup(text);
00084 
00085     InvalidateWindowData(WC_GOALS_LIST, 0);
00086 
00087     _new_goal_id = g->index;
00088   }
00089 
00090   return CommandCost();
00091 }
00092 
00102 CommandCost CmdRemoveGoal(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00103 {
00104   if (_current_company != OWNER_DEITY) return CMD_ERROR;
00105   if (!Goal::IsValidID(p1)) return CMD_ERROR;
00106 
00107   if (flags & DC_EXEC) {
00108     Goal *g = Goal::Get(p1);
00109     delete g;
00110 
00111     InvalidateWindowData(WC_GOALS_LIST, 0);
00112   }
00113 
00114   return CommandCost();
00115 }
00116 
00117 
00129 CommandCost CmdGoalQuestion(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00130 {
00131   uint16 uniqueid = (GoalType)GB(p1, 0, 16);
00132   CompanyID company = (CompanyID)GB(p1, 16, 8);
00133   byte type = GB(p1, 24, 8);
00134 
00135   if (_current_company != OWNER_DEITY) return CMD_ERROR;
00136   if (StrEmpty(text)) return CMD_ERROR;
00137   if (company != INVALID_COMPANY && !Company::IsValidID(company)) return CMD_ERROR;
00138   if (CountBits(p2) < 1 || CountBits(p2) > 3) return CMD_ERROR;
00139   if (p2 >= (1 << GOAL_QUESTION_BUTTON_COUNT)) return CMD_ERROR;
00140   if (type >= GOAL_QUESTION_TYPE_COUNT) return CMD_ERROR;
00141 
00142   if (flags & DC_EXEC) {
00143     if (company == _local_company || (company == INVALID_COMPANY && Company::IsValidID(_local_company))) ShowGoalQuestion(uniqueid, type, p2, text);
00144   }
00145 
00146   return CommandCost();
00147 }
00148 
00158 CommandCost CmdGoalQuestionAnswer(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
00159 {
00160   if (p1 > UINT16_MAX) return CMD_ERROR;
00161   if (p2 >= GOAL_QUESTION_BUTTON_COUNT) return CMD_ERROR;
00162 
00163   if (_current_company == OWNER_DEITY) {
00164     /* It has been requested to close this specific question on all clients */
00165     if (flags & DC_EXEC) DeleteWindowById(WC_GOAL_QUESTION, p1);
00166     return CommandCost();
00167   }
00168 
00169   if (_networking && _local_company == _current_company) {
00170     /* Somebody in the same company answered the question. Close the window */
00171     if (flags & DC_EXEC) DeleteWindowById(WC_GOAL_QUESTION, p1);
00172     if (!_network_server) return CommandCost();
00173   }
00174 
00175   if (flags & DC_EXEC) {
00176     Game::NewEvent(new ScriptEventGoalQuestionAnswer(p1, (ScriptCompany::CompanyID)(byte)_current_company, (ScriptGoal::QuestionButton)(1 << p2)));
00177   }
00178 
00179   return CommandCost();
00180 }