(svn r19701) -Fix [FS#3787]: Check for industry availability more thoroughly and cancel object placement when selecting not available industries.
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@@ -14,6 +14,7 @@
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#include "../../command_type.h"
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#include "../../strings_func.h"
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#include "../../industry.h"
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#include "../../newgrf_industries.h"
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#include "../../core/random_func.hpp"
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/* static */ bool AIIndustryType::IsValidIndustryType(IndustryType industry_type)
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@@ -88,6 +89,8 @@
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/* static */ bool AIIndustryType::CanBuildIndustry(IndustryType industry_type)
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{
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if (!IsValidIndustryType(industry_type)) return false;
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if (!::CheckIfCallBackAllowsAvailability(industry_type, IACT_USERCREATION)) return false;
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if (!::GetIndustrySpec(industry_type)->IsRawIndustry()) return true;
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/* raw_industry_construction == 1 means "Build as other industries" */
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@@ -97,7 +100,9 @@
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/* static */ bool AIIndustryType::CanProspectIndustry(IndustryType industry_type)
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{
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if (!IsValidIndustryType(industry_type)) return false;
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if (!::GetIndustrySpec(industry_type)->IsRawIndustry()) return false;
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if (!::CheckIfCallBackAllowsAvailability(industry_type, IACT_USERCREATION)) return false;
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/* raw_industry_construction == 2 means "prospect" */
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return _settings_game.construction.raw_industry_construction == 2;
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