(svn r17345) -Fix [FS#2769]: one wasn't offered to take over bankrupt companies anymore; caused by the introduction NoAI, although NewAI had the same problem too.

src/ai/ai_instance.cpp

@@ -186,6 +186,7 @@ void AIInstance::RegisterAPI()
 	SQAIEngineList_Register(this->engine);
 	SQAIError_Register(this->engine);
 	SQAIEvent_Register(this->engine);
+	SQAIEventCompanyAskMerger_Register(this->engine);
 	SQAIEventCompanyBankrupt_Register(this->engine);
 	SQAIEventCompanyInTrouble_Register(this->engine);
 	SQAIEventCompanyMerger_Register(this->engine);

src/ai/api/ai_changelog.hpp

@@ -19,6 +19,7 @@
  * API additions:
  * \li AIBaseStation
  * \li AIBuoyList
+ * \li AIEventCompanyAskMerger
  * \li AIRail::RemoveRailWaypointTileRect
  * \li AISubsidy::SubsidyParticipantType
  * \li AISubsidy::GetSourceType

src/ai/api/ai_event.hpp

@@ -36,6 +36,7 @@ public:
 		AI_ET_ENGINE_PREVIEW,
 		AI_ET_COMPANY_NEW,
 		AI_ET_COMPANY_IN_TROUBLE,
+		AI_ET_COMPANY_ASK_MERGER,
 		AI_ET_COMPANY_MERGER,
 		AI_ET_COMPANY_BANKRUPT,
 		AI_ET_VEHICLE_CRASHED,

src/ai/api/ai_event.hpp.sq

@@ -38,6 +38,7 @@ void SQAIEvent_Register(Squirrel *engine) {
 	SQAIEvent.DefSQConst(engine, AIEvent::AI_ET_ENGINE_PREVIEW,              "AI_ET_ENGINE_PREVIEW");
 	SQAIEvent.DefSQConst(engine, AIEvent::AI_ET_COMPANY_NEW,                 "AI_ET_COMPANY_NEW");
 	SQAIEvent.DefSQConst(engine, AIEvent::AI_ET_COMPANY_IN_TROUBLE,          "AI_ET_COMPANY_IN_TROUBLE");
+	SQAIEvent.DefSQConst(engine, AIEvent::AI_ET_COMPANY_ASK_MERGER,          "AI_ET_COMPANY_ASK_MERGER");
 	SQAIEvent.DefSQConst(engine, AIEvent::AI_ET_COMPANY_MERGER,              "AI_ET_COMPANY_MERGER");
 	SQAIEvent.DefSQConst(engine, AIEvent::AI_ET_COMPANY_BANKRUPT,            "AI_ET_COMPANY_BANKRUPT");
 	SQAIEvent.DefSQConst(engine, AIEvent::AI_ET_VEHICLE_CRASHED,             "AI_ET_VEHICLE_CRASHED");

src/ai/api/ai_event_types.cpp

@@ -92,3 +92,8 @@ bool AIEventEnginePreview::AcceptPreview()
 {
 	return AIObject::DoCommand(0, this->engine, 0, CMD_WANT_ENGINE_PREVIEW);
 }
+
+bool AIEventCompanyAskMerger::AcceptMerger()
+{
+	return AIObject::DoCommand(0, this->owner, 0, CMD_BUY_COMPANY);
+}

src/ai/api/ai_event_types.hpp

@@ -358,6 +358,54 @@ private:
 	AICompany::CompanyID owner;
 };
 
+/**
+ * Event Company Ask Merger, indicating a company can be bought (cheaply) by you.
+ */
+class AIEventCompanyAskMerger : public AIEvent {
+public:
+	static const char *GetClassName() { return "AIEventCompanyAskMerger"; }
+
+	/**
+	 * @param owner The company that can be bough.
+	 * @param value The value/costs of buying the company.
+	 */
+	AIEventCompanyAskMerger(Owner owner, int32 value) :
+		AIEvent(AI_ET_COMPANY_MERGER),
+		owner((AICompany::CompanyID)owner),
+		value(value)
+	{}
+
+	/**
+	 * Convert an AIEvent to the real instance.
+	 * @param instance The instance to convert.
+	 * @return The converted instance.
+	 */
+	static AIEventCompanyAskMerger *Convert(AIEvent *instance) { return (AIEventCompanyAskMerger *)instance; }
+
+	/**
+	 * Get the CompanyID of the company that can be bought.
+	 * @return The CompanyID of the company that can be bought.
+	 * @note If the company is bought this will become invalid.
+	 */
+	AICompany::CompanyID GetCompanyID() { return this->owner; }
+
+	/**
+	 * Get the value of the new company.
+	 * @return The value of the new company.
+	 */
+	int32 GetValue() { return this->value; }
+
+	/**
+	 * Take over the company for this merger.
+	 * @return true if the merger was a success.
+	 */
+	bool AcceptMerger();
+
+private:
+	AICompany::CompanyID owner;
+	int32 value;
+};
+
 /**
  * Event Company Merger, indicating a company has been bought by another
  *  company.

src/ai/api/ai_event_types.hpp.sq

@@ -191,6 +191,28 @@ void SQAIEventCompanyInTrouble_Register(Squirrel *engine) {
 	SQAIEventCompanyInTrouble.PostRegister(engine);
 }
 
+namespace SQConvert {
+	/* Allow AIEventCompanyAskMerger to be used as Squirrel parameter */
+	template <> AIEventCompanyAskMerger *GetParam(ForceType<AIEventCompanyAskMerger *>, HSQUIRRELVM vm, int index, SQAutoFreePointers *ptr) { SQUserPointer instance; sq_getinstanceup(vm, index, &instance, 0); return  (AIEventCompanyAskMerger *)instance; }
+	template <> AIEventCompanyAskMerger &GetParam(ForceType<AIEventCompanyAskMerger &>, HSQUIRRELVM vm, int index, SQAutoFreePointers *ptr) { SQUserPointer instance; sq_getinstanceup(vm, index, &instance, 0); return *(AIEventCompanyAskMerger *)instance; }
+	template <> const AIEventCompanyAskMerger *GetParam(ForceType<const AIEventCompanyAskMerger *>, HSQUIRRELVM vm, int index, SQAutoFreePointers *ptr) { SQUserPointer instance; sq_getinstanceup(vm, index, &instance, 0); return  (AIEventCompanyAskMerger *)instance; }
+	template <> const AIEventCompanyAskMerger &GetParam(ForceType<const AIEventCompanyAskMerger &>, HSQUIRRELVM vm, int index, SQAutoFreePointers *ptr) { SQUserPointer instance; sq_getinstanceup(vm, index, &instance, 0); return *(AIEventCompanyAskMerger *)instance; }
+	template <> int Return<AIEventCompanyAskMerger *>(HSQUIRRELVM vm, AIEventCompanyAskMerger *res) { if (res == NULL) { sq_pushnull(vm); return 1; } res->AddRef(); Squirrel::CreateClassInstanceVM(vm, "AIEventCompanyAskMerger", res, NULL, DefSQDestructorCallback<AIEventCompanyAskMerger>); return 1; }
+}; // namespace SQConvert
+
+void SQAIEventCompanyAskMerger_Register(Squirrel *engine) {
+	DefSQClass <AIEventCompanyAskMerger> SQAIEventCompanyAskMerger("AIEventCompanyAskMerger");
+	SQAIEventCompanyAskMerger.PreRegister(engine, "AIEvent");
+
+	SQAIEventCompanyAskMerger.DefSQStaticMethod(engine, &AIEventCompanyAskMerger::Convert, "Convert", 2, ".x");
+
+	SQAIEventCompanyAskMerger.DefSQMethod(engine, &AIEventCompanyAskMerger::GetCompanyID, "GetCompanyID", 1, "x");
+	SQAIEventCompanyAskMerger.DefSQMethod(engine, &AIEventCompanyAskMerger::GetValue,     "GetValue",     1, "x");
+	SQAIEventCompanyAskMerger.DefSQMethod(engine, &AIEventCompanyAskMerger::AcceptMerger, "AcceptMerger", 1, "x");
+
+	SQAIEventCompanyAskMerger.PostRegister(engine);
+}
+
 namespace SQConvert {
 	/* Allow AIEventCompanyMerger to be used as Squirrel parameter */
 	template <> AIEventCompanyMerger *GetParam(ForceType<AIEventCompanyMerger *>, HSQUIRRELVM vm, int index, SQAutoFreePointers *ptr) { SQUserPointer instance; sq_getinstanceup(vm, index, &instance, 0); return  (AIEventCompanyMerger *)instance; }