76 lines
2.6 KiB
C++
76 lines
2.6 KiB
C++
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#pragma once
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#include <set>
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#include "BlockID.h"
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#include "ChunkDef.h"
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#include "FastRandom.h"
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#include "Mobs/Monster.h" //this is a side-effect of keeping Mobfamily inside Monster class. I'd prefer to keep both (Mobfamily and Monster) inside a "Monster" namespace MG TODO : do it
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// fwd:
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class cChunk;
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/** This class is used to determine which monster can be spawned in which place
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it is essentially static (eg. Squids spawn in water, Zombies spawn in dark places)
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but it also has dynamic part depending on the world.ini settings.
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*/
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class cMobSpawner
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{
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public :
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// constructor
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// a_MobFamily is the Family of mobs that this spawner will spawn
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// a_AllowedTypes is the set of types allowed for mobs it will spawn. Empty set
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// would result in no spawn at all
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// Allowed mobs thah are not of the right Family will not be include (no warning)
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cMobSpawner(cMonster::eFamily MobFamily, const std::set<cMonster::eType> & a_AllowedTypes);
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/// Check if specified block can be a Pack center for this spawner
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bool CheckPackCenter(BLOCKTYPE a_BlockType);
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// Try to create a monster here
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// if this is the first of a Pack : determine the type of monster
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// BlockType & BlockMeta are used to decide what kind of Mob can Spawn here
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// MaxPackSize is set to the maximal size for a pack this type of mob
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cMonster * TryToSpawnHere(BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta, BLOCKTYPE a_BlockType_below, NIBBLETYPE a_BlockMeta_below, BLOCKTYPE a_BlockType_above, NIBBLETYPE a_BlockMeta_above, EMCSBiome a_Biome, int a_Level, int& a_MaxPackSize);
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// mark the beginning of a new Pack
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// all mobs of the same Pack are the same type
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void NewPack(void);
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// return true if there is at least one allowed type
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bool CanSpawnAnything(void);
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typedef const std::set<cMonster *> tSpawnedContainer;
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tSpawnedContainer & getSpawned(void);
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protected :
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// return true if specified type of mob can spawn on specified block
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bool CanSpawnHere(cMonster::eType a_MobType, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta, BLOCKTYPE a_BlockType_below, NIBBLETYPE a_BlockMeta_below, BLOCKTYPE a_BlockType_above, NIBBLETYPE a_BlockMeta_above, EMCSBiome a_Biome, int a_Level);
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// return a random type that can spawn on specified biome.
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// returns E_ENTITY_TYPE_DONOTUSE if none is possible
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cMonster::eType ChooseMobType(EMCSBiome a_Biome);
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// add toAdd inside toAddIn, if toAdd is in m_AllowedTypes
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void addIfAllowed(cMonster::eType toAdd, std::set<cMonster::eType> & toAddIn);
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protected :
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cMonster::eFamily m_MonsterFamily;
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std::set<cMonster::eType> m_AllowedTypes;
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bool m_NewPack;
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cMonster::eType m_MobType;
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std::set<cMonster*> m_Spawned;
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cFastRandom m_Random;
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} ;
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