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Code Issues Releases Activity

Fix: Random map generator crashes when nativeTerrain is not specified in the mod

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This commit is contained in:
Dmitry Orlov 2020-09-24 10:10:32 +03:00
parent 15d9c4438c
commit 30426b6a44
3 changed files with 39 additions and 3 deletions
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29
lib/CTownHandler.cpp
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@ -708,6 +708,22 @@ void CTownHandler::loadPuzzle(CFaction &faction, const JsonNode &source)
assert(faction.puzzleMap.size() == GameConstants::PUZZLE_MAP_PIECES);
}
ETerrainType::EETerrainType CTownHandler::getDefaultTerrainForAlignment(EAlignment::EAlignment alignment) const
{
ETerrainType::EETerrainType terrain = defaultGoodTerrain;
switch(alignment)
{
case EAlignment::EAlignment::EVIL:
terrain = defaultEvilTerrain;
break;
case EAlignment::EAlignment::NEUTRAL:
terrain = defaultNeutralTerrain;
break;
}
return terrain;
}
CFaction * CTownHandler::loadFromJson(const JsonNode &source, const std::string & identifier)
{
auto faction = new CFaction();
@ -718,15 +734,22 @@ CFaction * CTownHandler::loadFromJson(const JsonNode &source, const std::string
faction->creatureBg120 = source["creatureBackground"]["120px"].String();
faction->creatureBg130 = source["creatureBackground"]["130px"].String();
faction->nativeTerrain = ETerrainType(vstd::find_pos(GameConstants::TERRAIN_NAMES,
source["nativeTerrain"].String()));
int alignment = vstd::find_pos(EAlignment::names, source["alignment"].String());
if (alignment == -1)
faction->alignment = EAlignment::NEUTRAL;
else
faction->alignment = static_cast<EAlignment::EAlignment>(alignment);
auto nativeTerrain = source["nativeTerrain"];
int terrainNum = nativeTerrain.isNull()
? -1
: vstd::find_pos(GameConstants::TERRAIN_NAMES, nativeTerrain.String());
//Contructor is not called here, but operator=
faction->nativeTerrain = terrainNum < 0
? getDefaultTerrainForAlignment(faction->alignment)
: static_cast<ETerrainType::EETerrainType>(terrainNum);
if (!source["town"].isNull())
{
faction->town = new CTown();

7
lib/CTownHandler.h
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@ -298,6 +298,11 @@ class DLL_LINKAGE CTownHandler : public IHandlerBase
std::map<CTown *, JsonNode> warMachinesToLoad;
std::vector<BuildingRequirementsHelper> requirementsToLoad;
const static ETerrainType::EETerrainType defaultGoodTerrain = ETerrainType::EETerrainType::GRASS;
const static ETerrainType::EETerrainType defaultEvilTerrain = ETerrainType::EETerrainType::LAVA;
const static ETerrainType::EETerrainType defaultNeutralTerrain = ETerrainType::EETerrainType::ROUGH;
void initializeRequirements();
void initializeWarMachines();
@ -320,6 +325,8 @@ class DLL_LINKAGE CTownHandler : public IHandlerBase
void loadPuzzle(CFaction & faction, const JsonNode & source);
ETerrainType::EETerrainType getDefaultTerrainForAlignment(EAlignment::EAlignment aligment) const;
CFaction * loadFromJson(const JsonNode & data, const std::string & identifier);
void loadRandomFaction();

6
lib/GameConstants.h
View File

@ -776,6 +776,12 @@ public:
ETerrainType(EETerrainType _num = WRONG) : num(_num)
{}
ETerrainType& operator=(EETerrainType _num)
{
num = _num;
return *this;
}
ID_LIKE_CLASS_COMMON(ETerrainType, EETerrainType)
EETerrainType num;