From 7c8e7c6b6e16d4a26259a676db32d8776b99817e Mon Sep 17 00:00:00 2001
From: Henry Wilson <m3henry@googlemail.com>
Date: Wed, 10 Apr 2019 22:07:06 +0100
Subject: Codechange: Use null pointer literal instead of the NULL macro

---
 src/ai/ai_core.cpp | 42 +++++++++++++++++++++---------------------
 1 file changed, 21 insertions(+), 21 deletions(-)

(limited to 'src/ai/ai_core.cpp')

diff --git a/src/ai/ai_core.cpp b/src/ai/ai_core.cpp
index ff2fc286a..cc2eb42c8 100644
--- a/src/ai/ai_core.cpp
+++ b/src/ai/ai_core.cpp
@@ -26,8 +26,8 @@
 #include "../safeguards.h"
 
 /* static */ uint AI::frame_counter = 0;
-/* static */ AIScannerInfo *AI::scanner_info = NULL;
-/* static */ AIScannerLibrary *AI::scanner_library = NULL;
+/* static */ AIScannerInfo *AI::scanner_info = nullptr;
+/* static */ AIScannerLibrary *AI::scanner_library = nullptr;
 
 /* static */ bool AI::CanStartNew()
 {
@@ -44,9 +44,9 @@
 
 	AIConfig *config = AIConfig::GetConfig(company, AIConfig::SSS_FORCE_GAME);
 	AIInfo *info = config->GetInfo();
-	if (info == NULL || (rerandomise_ai && config->IsRandom())) {
+	if (info == nullptr || (rerandomise_ai && config->IsRandom())) {
 		info = AI::scanner_info->SelectRandomAI();
-		assert(info != NULL);
+		assert(info != nullptr);
 		/* Load default data and store the name in the settings */
 		config->Change(info->GetName(), -1, false, true);
 	}
@@ -56,7 +56,7 @@
 	Company *c = Company::Get(company);
 
 	c->ai_info = info;
-	assert(c->ai_instance == NULL);
+	assert(c->ai_instance == nullptr);
 	c->ai_instance = new AIInstance();
 	c->ai_instance->Initialize(info);
 
@@ -111,8 +111,8 @@
 	Company *c = Company::Get(company);
 
 	delete c->ai_instance;
-	c->ai_instance = NULL;
-	c->ai_info = NULL;
+	c->ai_instance = nullptr;
+	c->ai_info = nullptr;
 
 	cur_company.Restore();
 
@@ -164,10 +164,10 @@
 
 /* static */ void AI::Initialize()
 {
-	if (AI::scanner_info != NULL) AI::Uninitialize(true);
+	if (AI::scanner_info != nullptr) AI::Uninitialize(true);
 
 	AI::frame_counter = 0;
-	if (AI::scanner_info == NULL) {
+	if (AI::scanner_info == nullptr) {
 		TarScanner::DoScan(TarScanner::AI);
 		AI::scanner_info = new AIScannerInfo();
 		AI::scanner_info->Initialize();
@@ -187,17 +187,17 @@
 	} else {
 		delete AI::scanner_info;
 		delete AI::scanner_library;
-		AI::scanner_info = NULL;
-		AI::scanner_library = NULL;
+		AI::scanner_info = nullptr;
+		AI::scanner_library = nullptr;
 
 		for (CompanyID c = COMPANY_FIRST; c < MAX_COMPANIES; c++) {
-			if (_settings_game.ai_config[c] != NULL) {
+			if (_settings_game.ai_config[c] != nullptr) {
 				delete _settings_game.ai_config[c];
-				_settings_game.ai_config[c] = NULL;
+				_settings_game.ai_config[c] = nullptr;
 			}
-			if (_settings_newgame.ai_config[c] != NULL) {
+			if (_settings_newgame.ai_config[c] != nullptr) {
 				delete _settings_newgame.ai_config[c];
-				_settings_newgame.ai_config[c] = NULL;
+				_settings_newgame.ai_config[c] = nullptr;
 			}
 		}
 	}
@@ -209,10 +209,10 @@
 	 *  the AIConfig. If not, remove the AI from the list (which will assign
 	 *  a random new AI on reload). */
 	for (CompanyID c = COMPANY_FIRST; c < MAX_COMPANIES; c++) {
-		if (_settings_game.ai_config[c] != NULL && _settings_game.ai_config[c]->HasScript()) {
+		if (_settings_game.ai_config[c] != nullptr && _settings_game.ai_config[c]->HasScript()) {
 			if (!_settings_game.ai_config[c]->ResetInfo(true)) {
 				DEBUG(script, 0, "After a reload, the AI by the name '%s' was no longer found, and removed from the list.", _settings_game.ai_config[c]->GetName());
-				_settings_game.ai_config[c]->Change(NULL);
+				_settings_game.ai_config[c]->Change(nullptr);
 				if (Company::IsValidAiID(c)) {
 					/* The code belonging to an already running AI was deleted. We can only do
 					 * one thing here to keep everything sane and that is kill the AI. After
@@ -226,10 +226,10 @@
 				Company::Get(c)->ai_info = _settings_game.ai_config[c]->GetInfo();
 			}
 		}
-		if (_settings_newgame.ai_config[c] != NULL && _settings_newgame.ai_config[c]->HasScript()) {
+		if (_settings_newgame.ai_config[c] != nullptr && _settings_newgame.ai_config[c]->HasScript()) {
 			if (!_settings_newgame.ai_config[c]->ResetInfo(false)) {
 				DEBUG(script, 0, "After a reload, the AI by the name '%s' was no longer found, and removed from the list.", _settings_newgame.ai_config[c]->GetName());
-				_settings_newgame.ai_config[c]->Change(NULL);
+				_settings_newgame.ai_config[c]->Change(nullptr);
 			}
 		}
 	}
@@ -283,7 +283,7 @@
 {
 	if (!_networking || _network_server) {
 		Company *c = Company::GetIfValid(company);
-		assert(c != NULL && c->ai_instance != NULL);
+		assert(c != nullptr && c->ai_instance != nullptr);
 
 		Backup<CompanyByte> cur_company(_current_company, company, FILE_LINE);
 		c->ai_instance->Save();
@@ -297,7 +297,7 @@
 {
 	if (!_networking || _network_server) {
 		Company *c = Company::GetIfValid(company);
-		assert(c != NULL && c->ai_instance != NULL);
+		assert(c != nullptr && c->ai_instance != nullptr);
 
 		Backup<CompanyByte> cur_company(_current_company, company, FILE_LINE);
 		c->ai_instance->Load(version);
-- 
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