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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#include "ResourceHandler.h"
#include "ResourceMapAnalyzer.h"
#include "Map/MapInfo.h" // for the metal extractor radius
#include "Map/ReadMap.h" // for the metal map
#include "Map/MetalMap.h"
#include "GlobalSynced.h" // for the map size
#include <cfloat>
CR_BIND(CResourceHandler, )
CR_REG_METADATA(CResourceHandler, (
CR_IGNORED(resourceDescriptions),
CR_IGNORED(resourceMapAnalyzers),
CR_MEMBER(metalResourceId),
CR_MEMBER(energyResourceId),
CR_POSTLOAD(PostLoad)
))
CResourceHandler* CResourceHandler::instance = nullptr;
CResourceHandler* CResourceHandler::GetInstance() {
assert(instance != nullptr);
return instance;
}
void CResourceHandler::CreateInstance()
{
if (instance == nullptr) {
instance = new CResourceHandler();
}
}
void CResourceHandler::FreeInstance()
{
delete instance;
instance = nullptr;
}
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
void CResourceHandler::AddResources() {
resourceDescriptions.reserve(SResourcePack::MAX_RESOURCES);
resourceMapAnalyzers.reserve(SResourcePack::MAX_RESOURCES);
CResourceDescription rMetal;
rMetal.name = "Metal";
rMetal.optimum = FLT_MAX;
rMetal.extractorRadius = mapInfo->map.extractorRadius;
rMetal.maxWorth = mapInfo->map.maxMetal;
metalResourceId = AddResource(rMetal);
CResourceDescription rEnergy;
rEnergy.name = "Energy";
rEnergy.optimum = FLT_MAX;
rEnergy.extractorRadius = 0.0f;
rEnergy.maxWorth = 0.0f;
energyResourceId = AddResource(rEnergy);
}
int CResourceHandler::AddResource(const CResourceDescription& resource)
{
// GetResourceMapAnalyzer returns a pointer, no resizing allowed
assert(resourceDescriptions.size() < SResourcePack::MAX_RESOURCES);
resourceDescriptions.push_back(resource);
resourceMapAnalyzers.emplace_back(resourceDescriptions.size() - 1);
return (resourceDescriptions.size() - 1);
}
const CResourceDescription* CResourceHandler::GetResource(int resourceId) const
{
if (IsValidId(resourceId))
return &resourceDescriptions[resourceId];
return nullptr;
}
const CResourceDescription* CResourceHandler::GetResourceByName(const std::string& resourceName) const
{
return GetResource(GetResourceId(resourceName));
}
int CResourceHandler::GetResourceId(const std::string& resourceName) const
{
const auto pred = [&](const CResourceDescription& rd) { return (resourceName == rd.name); };
const auto iter = std::find_if(resourceDescriptions.cbegin(), resourceDescriptions.cend(), pred);
return ((iter == resourceDescriptions.end())? -1: (iter - resourceDescriptions.cbegin()));
}
const unsigned char* CResourceHandler::GetResourceMap(int resourceId) const
{
if (resourceId == GetMetalId())
return (readMap->metalMap->GetDistributionMap());
return nullptr;
}
size_t CResourceHandler::GetResourceMapSize(int resourceId) const
{
if (resourceId == GetMetalId())
return (GetResourceMapWidth(resourceId) * GetResourceMapHeight(resourceId));
return 0;
}
size_t CResourceHandler::GetResourceMapWidth(int resourceId) const
{
if (resourceId == GetMetalId())
return mapDims.hmapx;
return 0;
}
size_t CResourceHandler::GetResourceMapHeight(int resourceId) const
{
if (resourceId == GetMetalId())
return mapDims.hmapy;
return 0;
}
const CResourceMapAnalyzer* CResourceHandler::GetResourceMapAnalyzer(int resourceId)
{
if (!IsValidId(resourceId))
return nullptr;
CResourceMapAnalyzer* rma = &resourceMapAnalyzers[resourceId];
if (rma->GetNumSpots() < 0)
rma->Init();
return rma;
}
bool CResourceHandler::IsValidId(int resourceId) const {
return (static_cast<size_t>(resourceId) < resourceDescriptions.size());
}
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