diff options
Diffstat (limited to 'source/Entity.cpp')
| -rw-r--r-- | source/Entity.cpp | 466 |
1 files changed, 462 insertions, 4 deletions
diff --git a/source/Entity.cpp b/source/Entity.cpp index bc68ec3b2..bb65f4358 100644 --- a/source/Entity.cpp +++ b/source/Entity.cpp @@ -12,6 +12,7 @@ #include "Tracer.h" #include "Chunk.h" #include "Simulator/FluidSimulator.h" +#include "PluginManager.h" @@ -24,8 +25,10 @@ cCriticalSection cEntity::m_CSCount; -cEntity::cEntity(eEntityType a_EntityType, double a_X, double a_Y, double a_Z) +cEntity::cEntity(eEntityType a_EntityType, double a_X, double a_Y, double a_Z, double a_Width, double a_Height) : m_UniqueID(0) + , m_Health(1) + , m_MaxHealth(1) , m_AttachedTo(NULL) , m_Attachee(NULL) , m_Referencers(new cReferenceManager(cReferenceManager::RFMNGR_REFERENCERS)) @@ -49,9 +52,13 @@ cEntity::cEntity(eEntityType a_EntityType, double a_X, double a_Y, double a_Z) , m_TimeLastSpeedPacket(0) , m_EntityType(a_EntityType) , m_World(NULL) - , m_FireDamageInterval(0.f) - , m_BurnPeriod(0.f) - , m_WaterSpeed( 0.0 , 0.0 , 0.0 ) + , m_TicksSinceLastBurnDamage(0) + , m_TicksSinceLastLavaDamage(0) + , m_TicksSinceLastFireDamage(0) + , m_TicksLeftBurning(0) + , m_WaterSpeed(0, 0, 0) + , m_Width(a_Width) + , m_Height(a_Height) { cCSLock Lock(m_CSCount); m_EntityCount++; @@ -194,6 +201,236 @@ void cEntity::Destroy(bool a_ShouldBroadcast) +void cEntity::TakeDamage(cEntity & a_Attacker) +{ + int RawDamage = a_Attacker.GetRawDamageAgainst(*this); + + TakeDamage(dtAttack, &a_Attacker, RawDamage, a_Attacker.GetKnockbackAmountAgainst(*this)); +} + + + + + +void cEntity::TakeDamage(eDamageType a_DamageType, cEntity * a_Attacker, int a_RawDamage, double a_KnockbackAmount) +{ + int FinalDamage = a_RawDamage - GetArmorCoverAgainst(a_Attacker, a_DamageType, a_RawDamage); + cEntity::TakeDamage(a_DamageType, a_Attacker, a_RawDamage, FinalDamage, a_KnockbackAmount); +} + + + + + +void cEntity::TakeDamage(eDamageType a_DamageType, cEntity * a_Attacker, int a_RawDamage, int a_FinalDamage, double a_KnockbackAmount) +{ + TakeDamageInfo TDI; + TDI.DamageType = a_DamageType; + TDI.Attacker = a_Attacker; + TDI.RawDamage = a_RawDamage; + TDI.FinalDamage = a_FinalDamage; + Vector3d Heading; + Heading.x = sin(GetRotation()); + Heading.y = 0.4; // TODO: adjust the amount of "up" knockback when testing + Heading.z = cos(GetRotation()); + TDI.Knockback = Heading * a_KnockbackAmount; + DoTakeDamage(TDI); +} + + + + + +void cEntity::DoTakeDamage(TakeDamageInfo & a_TDI) +{ + if (cRoot::Get()->GetPluginManager()->CallHookTakeDamage(*this, a_TDI)) + { + return; + } + + if (m_Health <= 0) + { + // Can't take damage if already dead + return; + } + + m_Health -= (short)a_TDI.FinalDamage; + + // TODO: Apply damage to armor + + if (m_Health < 0) + { + m_Health = 0; + } + + m_World->BroadcastEntityStatus(*this, ENTITY_STATUS_HURT); + + if (m_Health <= 0) + { + KilledBy(a_TDI.Attacker); + } +} + + + + + +int cEntity::GetRawDamageAgainst(const cEntity & a_Receiver) +{ + // Returns the hitpoints that this pawn can deal to a_Receiver using its equipped items + // Ref: http://www.minecraftwiki.net/wiki/Damage#Dealing_damage as of 2012_12_20 + switch (this->GetEquippedWeapon().m_ItemType) + { + case E_ITEM_WOODEN_SWORD: return 4; + case E_ITEM_GOLD_SWORD: return 4; + case E_ITEM_STONE_SWORD: return 5; + case E_ITEM_IRON_SWORD: return 6; + case E_ITEM_DIAMOND_SWORD: return 7; + + case E_ITEM_WOODEN_AXE: return 3; + case E_ITEM_GOLD_AXE: return 3; + case E_ITEM_STONE_AXE: return 4; + case E_ITEM_IRON_AXE: return 5; + case E_ITEM_DIAMOND_AXE: return 6; + + case E_ITEM_WOODEN_PICKAXE: return 2; + case E_ITEM_GOLD_PICKAXE: return 2; + case E_ITEM_STONE_PICKAXE: return 3; + case E_ITEM_IRON_PICKAXE: return 4; + case E_ITEM_DIAMOND_PICKAXE: return 5; + + case E_ITEM_WOODEN_SHOVEL: return 1; + case E_ITEM_GOLD_SHOVEL: return 1; + case E_ITEM_STONE_SHOVEL: return 2; + case E_ITEM_IRON_SHOVEL: return 3; + case E_ITEM_DIAMOND_SHOVEL: return 4; + } + // All other equipped items give a damage of 1: + return 1; +} + + + + + +int cEntity::GetArmorCoverAgainst(const cEntity * a_Attacker, eDamageType a_DamageType, int a_Damage) +{ + // Returns the hitpoints out of a_RawDamage that the currently equipped armor would cover + + // Filter out damage types that are not protected by armor: + // Ref.: http://www.minecraftwiki.net/wiki/Armor#Effects as of 2012_12_20 + switch (a_DamageType) + { + case dtOnFire: + case dtSuffocating: + case dtDrowning: // TODO: This one could be a special case - in various MC versions (PC vs XBox) it is and isn't armor-protected + case dtStarving: + case dtInVoid: + case dtPoisoning: + case dtPotionOfHarming: + case dtFalling: + case dtLightning: + { + return 0; + } + } + + // Add up all armor points: + // Ref.: http://www.minecraftwiki.net/wiki/Armor#Defense_points as of 2012_12_20 + int ArmorValue = 0; + switch (GetEquippedHelmet().m_ItemType) + { + case E_ITEM_LEATHER_CAP: ArmorValue += 1; break; + case E_ITEM_GOLD_HELMET: ArmorValue += 2; break; + case E_ITEM_CHAIN_HELMET: ArmorValue += 2; break; + case E_ITEM_IRON_HELMET: ArmorValue += 2; break; + case E_ITEM_DIAMOND_HELMET: ArmorValue += 3; break; + } + switch (GetEquippedChestplate().m_ItemType) + { + case E_ITEM_LEATHER_TUNIC: ArmorValue += 3; break; + case E_ITEM_GOLD_CHESTPLATE: ArmorValue += 5; break; + case E_ITEM_CHAIN_CHESTPLATE: ArmorValue += 5; break; + case E_ITEM_IRON_CHESTPLATE: ArmorValue += 6; break; + case E_ITEM_DIAMOND_CHESTPLATE: ArmorValue += 8; break; + } + switch (GetEquippedLeggings().m_ItemType) + { + case E_ITEM_LEATHER_PANTS: ArmorValue += 2; break; + case E_ITEM_GOLD_LEGGINGS: ArmorValue += 3; break; + case E_ITEM_CHAIN_LEGGINGS: ArmorValue += 4; break; + case E_ITEM_IRON_LEGGINGS: ArmorValue += 5; break; + case E_ITEM_DIAMOND_LEGGINGS: ArmorValue += 6; break; + } + switch (GetEquippedBoots().m_ItemType) + { + case E_ITEM_LEATHER_BOOTS: ArmorValue += 1; break; + case E_ITEM_GOLD_BOOTS: ArmorValue += 1; break; + case E_ITEM_CHAIN_BOOTS: ArmorValue += 1; break; + case E_ITEM_IRON_BOOTS: ArmorValue += 2; break; + case E_ITEM_DIAMOND_BOOTS: ArmorValue += 3; break; + } + + // TODO: Special armor cases, such as wool, saddles, dog's collar + // Ref.: http://www.minecraftwiki.net/wiki/Armor#Mob_armor as of 2012_12_20 + + // Now ArmorValue is in [0, 20] range, which corresponds to [0, 80%] protection. Calculate the hitpoints from that: + return a_Damage * (ArmorValue * 4) / 100; +} + + + + + +double cEntity::GetKnockbackAmountAgainst(const cEntity & a_Receiver) +{ + // Returns the knockback amount that the currently equipped items would cause to a_Receiver on a hit + + // TODO: Enchantments + return 1; +} + + + + + +void cEntity::KilledBy(cEntity * a_Killer) +{ + m_Health = 0; + + cRoot::Get()->GetPluginManager()->CallHookKilling(*this, a_Killer); + + if (m_Health > 0) + { + // Plugin wants to 'unkill' the pawn. Abort + return; + } + + // Drop loot: + cItems Drops; + GetDrops(Drops, a_Killer); + m_World->SpawnItemPickups(Drops, GetPosX(), GetPosY(), GetPosZ()); + + m_World->BroadcastEntityStatus(*this, ENTITY_STATUS_DEAD); +} + + + + + +void cEntity::Heal(int a_HitPoints) +{ + m_Health += a_HitPoints; + if (m_Health > m_MaxHealth) + { + m_Health = m_MaxHealth; + } +} + + + + + void cEntity::Tick(float a_Dt, cChunk & a_Chunk) { if (m_AttachedTo != NULL) @@ -207,6 +444,7 @@ void cEntity::Tick(float a_Dt, cChunk & a_Chunk) { HandlePhysics(a_Dt, a_Chunk); } + TickBurning(a_Chunk); } @@ -391,6 +629,226 @@ void cEntity::HandlePhysics(float a_Dt, cChunk & a_Chunk) +void cEntity::TickBurning(cChunk & a_Chunk) +{ + // Do the burning damage: + if (m_TicksLeftBurning > 0) + { + m_TicksSinceLastBurnDamage++; + if (m_TicksSinceLastBurnDamage >= BURN_TICKS_PER_DAMAGE) + { + TakeDamage(dtOnFire, NULL, BURN_DAMAGE, 0, 0); + m_TicksSinceLastFireDamage = 0; + } + m_TicksLeftBurning--; + if (m_TicksLeftBurning == 0) + { + OnFinishedBurning(); + } + } + + // Remember the current burning state: + bool HasBeenBurning = (m_TicksLeftBurning > 0); + + // Update the burning times, based on surroundings: + int MinRelX = (int)floor(GetPosX() - m_Width / 2) - a_Chunk.GetPosX() * cChunkDef::Width; + int MaxRelX = (int)floor(GetPosX() + m_Width / 2) - a_Chunk.GetPosX() * cChunkDef::Width; + int MinRelZ = (int)floor(GetPosZ() - m_Width / 2) - a_Chunk.GetPosZ() * cChunkDef::Width; + int MaxRelZ = (int)floor(GetPosZ() + m_Width / 2) - a_Chunk.GetPosZ() * cChunkDef::Width; + int MinY = std::max(0, std::min(cChunkDef::Height - 1, (int)floor(GetPosY()))); + int MaxY = std::max(0, std::min(cChunkDef::Height - 1, (int)ceil (GetPosY() + m_Height))); + bool HasWater = false; + bool HasLava = false; + bool HasFire = false; + + for (int x = MinRelX; x <= MaxRelX; x++) + { + for (int z = MinRelZ; z <= MaxRelZ; z++) + { + int RelX = x; + int RelZ = z; + cChunk * CurChunk = a_Chunk.GetRelNeighborChunkAdjustCoords(RelX, RelZ); + if (CurChunk == NULL) + { + continue; + } + for (int y = MinY; y <= MaxY; y++) + { + switch (CurChunk->GetBlock(RelX, y, RelZ)) + { + case E_BLOCK_FIRE: + { + HasFire = true; + break; + } + case E_BLOCK_LAVA: + case E_BLOCK_STATIONARY_LAVA: + { + HasLava = true; + break; + } + case E_BLOCK_STATIONARY_WATER: + case E_BLOCK_WATER: + { + HasWater = true; + break; + } + } // switch (BlockType) + } // for y + } // for z + } // for x + + if (HasWater) + { + // Extinguish the fire + m_TicksLeftBurning = 0; + } + + if (HasLava) + { + // Burn: + m_TicksLeftBurning = BURN_TICKS; + + // Periodically damage: + m_TicksSinceLastLavaDamage++; + if (m_TicksSinceLastLavaDamage >= 10) + { + TakeDamage(dtLavaContact, NULL, LAVA_DAMAGE, 0); + m_TicksSinceLastLavaDamage = 0; + } + } + else + { + m_TicksSinceLastLavaDamage = 0; + } + + if (HasFire) + { + // Burn: + m_TicksLeftBurning = BURN_TICKS; + + // Periodically damage: + m_TicksSinceLastFireDamage++; + if (m_TicksSinceLastFireDamage >= FIRE_TICKS_PER_DAMAGE) + { + TakeDamage(dtFireContact, NULL, FIRE_DAMAGE, 0); + } + } + else + { + m_TicksSinceLastFireDamage = 0; + } + + // If just started / finished burning, notify descendants: + if ((m_TicksLeftBurning > 0) && !HasBeenBurning) + { + OnStartedBurning(); + } + else if ((m_TicksLeftBurning <= 0) && HasBeenBurning) + { + OnFinishedBurning(); + } +} + + + + + +/// Called when the entity starts burning +void cEntity::OnStartedBurning(void) +{ + // Broadcast the change: + m_World->BroadcastMetadata(*this); +} + + + + + +/// Called when the entity finishes burning +void cEntity::OnFinishedBurning(void) +{ + // Broadcast the change: + m_World->BroadcastMetadata(*this); +} + + + + + +/// Sets the maximum value for the health +void cEntity::SetMaxHealth(int a_MaxHealth) +{ + m_MaxHealth = a_MaxHealth; + + // Reset health, if too high: + if (m_Health > a_MaxHealth) + { + m_Health = a_MaxHealth; + } +} + + + + + +/// Puts the entity on fire for the specified amount of ticks +void cEntity::StartBurning(int a_TicksLeftBurning) +{ + if (m_TicksLeftBurning > 0) + { + // Already burning, top up the ticks left burning and bail out: + m_TicksLeftBurning = std::max(m_TicksLeftBurning, a_TicksLeftBurning); + return; + } + + m_TicksLeftBurning = a_TicksLeftBurning; + OnStartedBurning(); +} + + + + + +/// Stops the entity from burning, resets all burning timers +void cEntity::StopBurning(void) +{ + bool HasBeenBurning = (m_TicksLeftBurning > 0); + m_TicksLeftBurning = 0; + m_TicksSinceLastBurnDamage = 0; + m_TicksSinceLastFireDamage = 0; + m_TicksSinceLastLavaDamage = 0; + + // Notify if the entity has stopped burning + if (HasBeenBurning) + { + OnFinishedBurning(); + } +} + + + + + +void cEntity::TeleportToEntity(cEntity & a_Entity) +{ + TeleportToCoords(a_Entity.GetPosX(), a_Entity.GetPosY(), a_Entity.GetPosZ()); +} + + + + + +void cEntity::TeleportToCoords(double a_PosX, double a_PosY, double a_PosZ) +{ + SetPosition(a_PosX, a_PosY, a_PosZ); + m_World->BroadcastTeleportEntity(*this); +} + + + + + void cEntity::BroadcastMovementUpdate(const cClientHandle * a_Exclude) { //We need to keep updating the clients when there is movement or if there was a change in speed and after 2 ticks |