first commit

Minecraft.World/EatTileGoal.cpp

@@ -0,0 +1,73 @@
+#include "stdafx.h"
+#include "net.minecraft.world.entity.ai.control.h"
+#include "net.minecraft.world.entity.ai.navigation.h"
+#include "net.minecraft.world.entity.h"
+#include "net.minecraft.world.level.h"
+#include "net.minecraft.world.level.tile.h"
+#include "EatTileGoal.h"
+
+EatTileGoal::EatTileGoal(Mob *mob)
+{
+	eatAnimationTick = 0;
+
+	this->mob = mob;
+	this->level = mob->level;
+	setRequiredControlFlags(Control::MoveControlFlag | Control::LookControlFlag | Control::JumpControlFlag);
+}
+
+bool EatTileGoal::canUse()
+{
+	if (mob->getRandom()->nextInt(mob->isBaby() ? 50 : 1000) != 0) return false;
+
+	int xx = Mth::floor(mob->x);
+	int yy = Mth::floor(mob->y);
+	int zz = Mth::floor(mob->z);
+	if (level->getTile(xx, yy, zz) == Tile::tallgrass_Id && level->getData(xx, yy, zz) == TallGrass::TALL_GRASS) return true;
+	if (level->getTile(xx, yy - 1, zz) == Tile::grass_Id) return true;
+	return false;
+}
+
+void EatTileGoal::start()
+{
+	eatAnimationTick = EAT_ANIMATION_TICKS;
+	level->broadcastEntityEvent(mob->shared_from_this(), EntityEvent::EAT_GRASS);
+	mob->getNavigation()->stop();
+}
+
+void EatTileGoal::stop()
+{
+	eatAnimationTick = 0;
+}
+
+bool EatTileGoal::canContinueToUse()
+{
+	return eatAnimationTick > 0;
+}
+
+int EatTileGoal::getEatAnimationTick()
+{
+	return eatAnimationTick;
+}
+
+void EatTileGoal::tick()
+{
+	eatAnimationTick = max(0, eatAnimationTick - 1);
+	if (eatAnimationTick != 4) return;
+
+	int xx = Mth::floor(mob->x);
+	int yy = Mth::floor(mob->y);
+	int zz = Mth::floor(mob->z);
+
+	if (level->getTile(xx, yy, zz) == Tile::tallgrass_Id)
+	{
+		level->levelEvent(LevelEvent::PARTICLES_DESTROY_BLOCK, xx, yy, zz, Tile::tallgrass_Id + (TallGrass::TALL_GRASS << Tile::TILE_NUM_SHIFT));
+		level->setTile(xx, yy, zz, 0);
+		mob->ate();
+	}
+	else if (level->getTile(xx, yy - 1, zz) == Tile::grass_Id)
+	{
+		level->levelEvent(LevelEvent::PARTICLES_DESTROY_BLOCK, xx, yy - 1, zz, Tile::grass_Id);
+		level->setTile(xx, yy - 1, zz, Tile::dirt_Id);
+		mob->ate();
+	}
+}