cpp/openttd-patchpack/source Changeset - r27851:98395ce429bf

Changeset - r27851:98395ce429bf

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Michael Lutz - 11 months ago 2023-07-16 19:34:42
michi@icosahedron.de

Add: [Script] Game script control of industry production level.

7 files changed with 110 insertions and 2 deletions:

src/command_type.h

src/industry.h

src/industry_cmd.cpp

src/industry_cmd.h

src/script/api/game_changelog.hpp

src/script/api/script_industry.cpp

src/script/api/script_industry.hpp

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src/command_type.h

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@@ @@ -246,6 +246,7 @@ enum Commands : uint16_t { @@
 	CMD_INDUSTRY_SET_FLAGS,           ///< change industry control flags
 	CMD_INDUSTRY_SET_EXCLUSIVITY,     ///< change industry exclusive consumer/supplier
 	CMD_INDUSTRY_SET_TEXT,            ///< change additional text for the industry
 	CMD_INDUSTRY_SET_PRODUCTION,      ///< change industry production
 	CMD_SET_COMPANY_MANAGER_FACE,     ///< set the manager's face of the company
 	CMD_SET_COMPANY_COLOUR,           ///< set the colour of the company

src/industry.h

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@@ @@ -51,8 +51,10 @@ enum IndustryControlFlags : byte { @@
 	 * Industry can not close regardless of production level or time since last delivery.
 	 * This does not prevent a closure already announced. */
 	INDCTL_NO_CLOSURE             = 1 << 2,
 	/** Indicates that the production level of the industry is externally controlled. */
 	INDCTL_EXTERNAL_PROD_LEVEL    = 1 << 3,
 	/** Mask of all flags set */
 	INDCTL_MASK = INDCTL_NO_PRODUCTION_DECREASE | INDCTL_NO_PRODUCTION_INCREASE | INDCTL_NO_CLOSURE,
+	INDCTL_MASK = INDCTL_NO_PRODUCTION_DECREASE | INDCTL_NO_PRODUCTION_INCREASE | INDCTL_NO_CLOSURE | INDCTL_EXTERNAL_PROD_LEVEL,
 };
 DECLARE_ENUM_AS_BIT_SET(IndustryControlFlags);

src/industry_cmd.cpp

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@@ @@ -68,6 +68,8 @@ IndustrySpec _industry_specs[NUM_INDUSTR @@
 IndustryTileSpec _industry_tile_specs[NUM_INDUSTRYTILES];
 IndustryBuildData _industry_builder; ///< In-game manager of industries.
 static int WhoCanServiceIndustry(Industry *ind);
 /**
  * This function initialize the spec arrays of both
  * industry and industry tiles.
@@ @@ -2116,6 +2118,59 @@ CommandCost CmdIndustrySetFlags(DoComman @@
+}
 /**
  * Set industry production.
  * @param flags Type of operation.
  * @param ind_id IndustryID
  * @param prod_level Production level.
  * @param show_news Show a news message on production change.
  * @return Empty cost or an error.
  */
 CommandCost CmdIndustrySetProduction(DoCommandFlag flags, IndustryID ind_id, byte prod_level, bool show_news)
+{
 	if (_current_company != OWNER_DEITY) return CMD_ERROR;
 	if (prod_level < PRODLEVEL_MINIMUM || prod_level > PRODLEVEL_MAXIMUM) return CMD_ERROR;
 	Industry *ind = Industry::GetIfValid(ind_id);
 	if (ind == nullptr) return CMD_ERROR;
 	if (flags & DC_EXEC) {
 		StringID str = STR_NULL;
 		if (prod_level > ind->prod_level) {
 			str = GetIndustrySpec(ind->type)->production_up_text;
 		} else if (prod_level < ind->prod_level) {
 			str = GetIndustrySpec(ind->type)->production_down_text;
+		}
 		ind->ctlflags |= INDCTL_EXTERNAL_PROD_LEVEL;
 		ind->prod_level = prod_level;
 		ind->RecomputeProductionMultipliers();
 		/* Show news message if requested. */
 		if (show_news && str != STR_NULL) {
 			NewsType nt;
 			switch (WhoCanServiceIndustry(ind)) {
 				case 0: nt = NT_INDUSTRY_NOBODY;  break;
 				case 1: nt = NT_INDUSTRY_OTHER;   break;
 				case 2: nt = NT_INDUSTRY_COMPANY; break;
 				default: NOT_REACHED();
+			}
 			/* Set parameters of news string */
 			if (str > STR_LAST_STRINGID) {
 				SetDParam(0, STR_TOWN_NAME);
 				SetDParam(1, ind->town->index);
 				SetDParam(2, GetIndustrySpec(ind->type)->name);
 			} else {
 				SetDParam(0, ind->index);
+			}
 			AddIndustryNewsItem(str, nt, ind->index);
+		}
+	}
 	return CommandCost();
+}
 /**
  * Change exclusive consumer or supplier for the industry.
  * @param flags Type of operation.
  * @param ind_id IndustryID
@@ @@ -2618,7 +2673,7 @@ static void CanCargoServiceIndustry(Carg @@
  * service the industry, and 1 otherwise (only competitors can service the
  * industry)
  */
-static int WhoCanServiceIndustry(Industry *ind)
 int WhoCanServiceIndustry(Industry *ind)
+{
 	if (ind->stations_near.size() == 0) return 0; // No stations found at all => nobody services
@@ @@ -2820,6 +2875,11 @@ static void ChangeIndustryProduction(Ind @@
 	/* If override flags are set, prevent actually changing production if any was decided on */
 	if ((i->ctlflags & INDCTL_NO_PRODUCTION_DECREASE) && (div > 0 || increment < 0)) return;
 	if ((i->ctlflags & INDCTL_NO_PRODUCTION_INCREASE) && (mul > 0 || increment > 0)) return;
 	if (i->ctlflags & INDCTL_EXTERNAL_PROD_LEVEL) {
 		div = 0;
 		mul = 0;
 		increment = 0;
+	}
 	if (!callback_enabled && (indspec->life_type & INDUSTRYLIFE_PROCESSING)) {
 		if (TimerGameCalendar::year - i->last_prod_year >= PROCESSING_INDUSTRY_ABANDONMENT_YEARS && Chance16(1, original_economy ? 2 : 180)) {

src/industry_cmd.h

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@@ @@ -20,11 +20,13 @@ CommandCost CmdBuildIndustry(DoCommandFl @@
 CommandCost CmdIndustrySetFlags(DoCommandFlag flags, IndustryID ind_id, IndustryControlFlags ctlflags);
 CommandCost CmdIndustrySetExclusivity(DoCommandFlag flags, IndustryID ind_id, Owner company_id, bool consumer);
 CommandCost CmdIndustrySetText(DoCommandFlag flags, IndustryID ind_id, const std::string &text);
 CommandCost CmdIndustrySetProduction(DoCommandFlag flags, IndustryID ind_id, byte prod_level, bool show_news);
 DEF_CMD_TRAIT(CMD_BUILD_INDUSTRY, CmdBuildIndustry, CMD_DEITY, CMDT_LANDSCAPE_CONSTRUCTION)
 DEF_CMD_TRAIT(CMD_INDUSTRY_SET_FLAGS, CmdIndustrySetFlags, CMD_DEITY, CMDT_OTHER_MANAGEMENT)
 DEF_CMD_TRAIT(CMD_INDUSTRY_SET_EXCLUSIVITY, CmdIndustrySetExclusivity, CMD_DEITY, CMDT_OTHER_MANAGEMENT)
 DEF_CMD_TRAIT(CMD_INDUSTRY_SET_TEXT, CmdIndustrySetText, CMD_DEITY | CMD_STR_CTRL, CMDT_OTHER_MANAGEMENT)
 DEF_CMD_TRAIT(CMD_INDUSTRY_SET_PRODUCTION, CmdIndustrySetProduction, CMD_DEITY, CMDT_OTHER_MANAGEMENT)
 void CcBuildIndustry(Commands cmd, const CommandCost &result, TileIndex tile, IndustryType indtype, uint32_t, bool, uint32_t);

src/script/api/game_changelog.hpp

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@@ @@ -78,6 +78,8 @@ @@
  * \li GSVehicleList_DefaultGroup
  * \li GSGoal::IsValidGoalDestination
  * \li GSGoal::SetDestination
  * \li GSIndustry::GetProductionLevel
  * \li GSIndustry::SetProductionLevel
+ *
  * API removals:
  * \li GSError::ERR_PRECONDITION_TOO_MANY_PARAMETERS, that error is never returned anymore.

src/script/api/script_industry.cpp

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@@ @@ -294,3 +294,19 @@ @@
 	::Owner owner = (company == ScriptCompany::COMPANY_INVALID ? ::INVALID_OWNER : (::Owner)company);
 	return ScriptObject::Command<CMD_INDUSTRY_SET_EXCLUSIVITY>::Do(industry_id, owner, true);
+}
 /* static */ SQInteger ScriptIndustry::GetProductionLevel(IndustryID industry_id)
+{
 	Industry *i = Industry::GetIfValid(industry_id);
 	if (i == nullptr) return 0;
 	return i->prod_level;
+}
 /* static */ bool ScriptIndustry::SetProductionLevel(IndustryID industry_id, SQInteger prod_level, bool show_news)
+{
 	EnforceDeityMode(false);
 	EnforcePrecondition(false, IsValidIndustry(industry_id));
 	EnforcePrecondition(false, prod_level >= PRODLEVEL_MINIMUM && prod_level <= PRODLEVEL_MAXIMUM);
 	return ScriptObject::Command<CMD_INDUSTRY_SET_PRODUCTION>::Do(industry_id, prod_level, show_news);
+}

src/script/api/script_industry.hpp

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@@ @@ -47,6 +47,10 @@ public: @@
 		 * This does not prevent a closure already announced.
 		 */
 		INDCTL_NO_CLOSURE             = ::INDCTL_NO_CLOSURE,
 		/**
 		 * Indicates that the production level of the industry is controlled by a game script.
 		 */
 		INDCTL_EXTERNAL_PROD_LEVEL    = ::INDCTL_EXTERNAL_PROD_LEVEL,
 	};
 	/**
@@ @@ -323,6 +327,27 @@ public: @@
 	 */
 	static bool SetExclusiveConsumer(IndustryID industry_id, ScriptCompany::CompanyID company_id);
 	/**
 	 * Gets the current production level of an industry.
 	 * @param industry_id The index of the industry.
 	 * @api -ai
 	 */
 	static SQInteger GetProductionLevel(IndustryID industry_id);
 	/**
 	 * Sets the current production level of an industry.
 	 * @note Setting the production level automatically sets the control flag INDCTL_EXTERNAL_PROD_LEVEL if it wasn't already set.
 	 *     Normal production behaviour can be restored by clearing the control flag.
 	 * @param industry_id The index of the industry.
 	 * @param prod_level The production level to set.
 	 * @param show_news If set to true and the production changed, generate a production change news message. If set to false, no news message is shown.
 	 * @pre IsValidIndustry(industry_id).
 	 * @pre ScriptCompanyMode::IsDeity().
 	 * @pre prod_level >= 4 && prod_level <= 128.
 	 * @return True if the action succeeded.
 	 * @api -ai
 	 */
 	static bool SetProductionLevel(IndustryID industry_id, SQInteger prod_level, bool show_news);
 };
 #endif /* SCRIPT_INDUSTRY_HPP */

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