1 files changed, 64 insertions, 0 deletions
diff --git a/src/goal.cpp b/src/goal.cpp
index 91ba6d288..5a3433573 100644
--- a/src/goal.cpp
+++ b/src/goal.cpp
@@ -26,6 +26,8 @@
 #include "command_func.h"
 #include "company_base.h"
 #include "string_func.h"
+#include "gui.h"
+#include "network/network.h"
 
 #include "table/strings.h"
 
@@ -118,3 +120,65 @@ CommandCost CmdRemoveGoal(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32
 
 	return CommandCost();
 }
+
+
+/**
+ * Ask a goal related question
+ * @param tile unused.
+ * @param flags type of operation
+ * @param p1 various bitstuffed elements
+ * - p1 = (bit  0 - 15) - Unique ID to use for this question.
+ * - p1 = (bit 16 - 23) - Company for which this question is.
+ * @param p2 Buttons of the question.
+ * @param text Text of the question.
+ * @return the cost of this operation or an error
+ */
+CommandCost CmdGoalQuestion(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
+{
+	uint16 uniqueid = (GoalType)GB(p1, 0, 16);
+	CompanyID company = (CompanyID)GB(p1, 16, 8);
+
+	if (_current_company != OWNER_DEITY) return CMD_ERROR;
+	if (StrEmpty(text)) return CMD_ERROR;
+	if (company != INVALID_COMPANY && !Company::IsValidID(company)) return CMD_ERROR;
+	if (CountBits(p2) < 1 || CountBits(p2) > 3) return CMD_ERROR;
+
+	if (flags & DC_EXEC) {
+		if (company == _local_company || (company == INVALID_COMPANY && Company::IsValidID(_local_company))) ShowGoalQuestion(uniqueid, p2, text);
+	}
+
+	return CommandCost();
+}
+
+/**
+ * Reply to a goal question.
+ * @param tile unused.
+ * @param flags type of operation
+ * @param p1 Unique ID to use for this question.
+ * @param p2 Button the company pressed
+ * @param text Text of the question.
+ * @return the cost of this operation or an error
+ */
+CommandCost CmdGoalQuestionAnswer(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
+{
+	if (p1 > UINT16_MAX) return CMD_ERROR;
+	if (p2 >= GOAL_QUESTION_BUTTON_COUNT) return CMD_ERROR;
+
+	if (_current_company == OWNER_DEITY) {
+		/* It has been requested to close this specific question on all clients */
+		if (flags & DC_EXEC) DeleteWindowById(WC_GOAL_QUESTION, p1);
+		return CommandCost();
+	}
+
+	if (_networking && _local_company == _current_company) {
+		/* Somebody in the same company answered the question. Close the window */
+		if (flags & DC_EXEC) DeleteWindowById(WC_GOAL_QUESTION, p1);
+		if (!_network_server) return CommandCost();
+	}
+
+	if (flags & DC_EXEC) {
+		Game::NewEvent(new ScriptEventGoalQuestionAnswer(p1, (ScriptCompany::CompanyID)(byte)_current_company, (ScriptGoal::QuestionButton)(1 << p2)));
+	}
+
+	return CommandCost();
+}