boss!!!

CMakeLists.txt

@@ -39,7 +39,7 @@ add_executable(game
 	src/components/timer.h
 	src/components/timer.cpp
 	src/components/enemy.h
-)
+ "src/components/ghost_frog.h" "src/components/ghost_frog.cpp" "src/components/orb.h" "src/components/orb.cpp")
 
 # Reference blah
 target_link_libraries(game blah)

src/components/animator.cpp

@@ -72,7 +72,7 @@ void Animator::render(Batch& batch)
 	if (in_valid_state())
 	{
 		batch.push_matrix(
-			Mat3x2::create_transform(entity()->position, m_sprite->origin, scale, 0));
+			Mat3x2::create_transform(entity()->position + offset, m_sprite->origin, scale, 0));
 
 		auto& anim = m_sprite->animations[m_animation_index];
 		auto& frame = anim.frames[m_frame_index];

src/components/animator.h

@@ -17,6 +17,7 @@ namespace TL
 
 	public:
 		Vec2 scale = Vec2::one;
+		Point offset = Point::zero;
 
 		Animator() = default;
 		Animator(const String& sprite);

src/components/collider.cpp

@@ -71,6 +71,11 @@ void Collider::set_cells(int x, int y, int w, int h, bool value)
 }
 
 bool Collider::check(uint32_t mask, Point offset) const
+{
+	return first(mask, offset) != nullptr;
+}
+
+Collider* Collider::first(uint32_t mask, Point offset)
 {
 	if (world())
 	{
@@ -80,13 +85,32 @@ bool Collider::check(uint32_t mask, Point offset) const
 			if (other != this &&
 				(other->mask & mask) == mask &&
 				overlaps(other, offset))
-				return true;
+				return other;
 
 			other = (Collider*)other->next();
 		}
 	}
 
-	return false;
+	return nullptr;
+}
+
+const Collider* Collider::first(uint32_t mask, Point offset) const
+{
+	if (world())
+	{
+		auto other = world()->first<Collider>();
+		while (other)
+		{
+			if (other != this &&
+				(other->mask & mask) == mask &&
+				overlaps(other, offset))
+				return other;
+
+			other = (Collider*)other->next();
+		}
+	}
+
+	return nullptr;
 }
 
 bool Collider::overlaps(const Collider* other, Point offset) const

src/components/collider.h

@@ -31,6 +31,8 @@ namespace TL
 		void set_cell(int x, int y, bool value);
 		void set_cells(int x, int y, int w, int h, bool value);
 
+		Collider* first(uint32_t mask, Point offset = Point::zero);
+		const Collider* first(uint32_t mask, Point offset = Point::zero) const;
 		bool check(uint32_t mask, Point offset = Point::zero) const;
 		bool overlaps(const Collider* other, Point offset = Point::zero) const;
 

src/components/ghost_frog.cpp

@@ -0,0 +1,268 @@
+#include "ghost_frog.h"
+#include "mover.h"
+#include "hurtable.h"
+#include "player.h"
+#include "animator.h"
+#include "orb.h"
+#include "../masks.h"
+#include "../factory.h"
+
+using namespace TL;
+
+GhostFrog::GhostFrog()
+{
+
+}
+
+void GhostFrog::awake()
+{
+	m_home = entity()->position;
+}
+
+void GhostFrog::update()
+{
+	m_timer += Time::delta;
+
+	auto player = world()->first<Player>();
+	auto mover = get<Mover>();
+	auto anim = get<Animator>();
+	auto hitbox = get<Collider>();
+
+	// no player - turn off AI
+	if (!player)
+		return;
+
+	auto x = entity()->position.x;
+	auto y = entity()->position.y;
+	auto player_x = player->entity()->position.x;
+
+	// update sprite
+	if (mover->on_ground())
+	{
+
+	}
+
+	// flip sprite
+	anim->scale = Vec2(m_facing, 1);
+
+	// NORMAL STATE
+	if (m_state == st_readying_attack)
+	{
+		m_facing = Calc::sign(player_x - x);
+		if (m_facing == 0)
+			m_facing = 1;
+
+		float target_x = player_x + 32 * -m_facing;
+		mover->speed.x = Calc::approach(mover->speed.x, Calc::sign(target_x - x) * 40, 400 * Time::delta);
+		mover->friction = 100;
+		anim->play("run");
+
+		if (m_timer > 3.0f ||
+			(m_timer > 1.0f && hitbox->check(Mask::solid, Point(-m_facing * 8, 0))))
+		{
+			mover->speed.x = 0;
+			set_state(st_perform_slash);
+		}
+	}
+	// SLASH STATE
+	else if (m_state == st_perform_slash)
+	{
+		// start attack anim
+		anim->play("attack");
+		mover->friction = 500;
+
+		// after 0.8s, do the lunge
+		if (Time::on_time(m_timer, 0.8f))
+		{
+			mover->speed.x = m_facing * 250;
+			hitbox->set_rect(RectI(-4 + m_facing * 4, -12, 8, 12));
+
+			RectI rect(8, -8, 20, 8);
+			if (m_facing < 0)
+				rect.x = -(rect.x + rect.w);
+
+			if (m_attack_collider)
+				m_attack_collider->destroy();
+			m_attack_collider = entity()->add(Collider::make_rect(rect));
+			m_attack_collider->mask = Mask::enemy;
+		}
+		// turn off attack collider
+		else if (Time::on_time(m_timer, anim->animation()->duration() - 1.0f))
+		{
+			if (m_attack_collider)
+				m_attack_collider->destroy();
+			m_attack_collider = nullptr;
+		}
+		// end attack state
+		else if (m_timer >= anim->animation()->duration())
+		{
+			hitbox->set_rect(RectI(-4, -12, 8, 12));
+
+			if (health > 0)
+			{
+				set_state(st_readying_attack);
+			}
+			else
+			{
+				phase = 1;
+				health = max_health_2;
+				m_side = Calc::rand_int(0, 2) == 0 ? -1 : 1;
+				set_state(st_floating);
+			}
+		}
+	}
+	// FLOATING STATE
+	else if (m_state == st_floating)
+	{
+		anim->play("float");
+
+		mover->friction = 0;
+		mover->collider = nullptr;
+
+		float target_y = m_home.y - 50;
+		float target_x = m_home.x + m_side * 50;
+
+		if (Calc::sign(target_y - y) != Calc::sign(target_y - m_last_pos.y))
+		{
+			mover->speed.y = 0;
+			entity()->position.y = target_y;
+		}
+		else
+			mover->speed.y = Calc::approach(mover->speed.y, Calc::sign(target_y - y) * 50, 800 * Time::delta);
+
+		if (Calc::abs(y - target_y) < 8)
+			mover->speed.x = Calc::approach(mover->speed.x, Calc::sign(target_x - x) * 80, 800 * Time::delta);
+		else
+			mover->speed.x = 0;
+
+		if (m_timer > 5.0f || (Calc::abs(target_x - x) < 8 && Calc::abs(target_y - y) < 8))
+			set_state(st_shoot);
+	}
+	// SHOOTING STATE
+	else if (m_state == st_shoot)
+	{
+		mover->speed = Calc::approach(mover->speed, Vec2::zero, 300 * Time::delta);
+
+		m_facing = Calc::sign(player_x - x);
+		if (m_facing == 0)
+			m_facing = 1;
+
+		if (Time::on_time(m_timer, 1.0f))
+		{
+			anim->play("reflect");
+		}
+		else if (Time::on_time(m_timer, 1.2f))
+		{
+			Factory::orb(world(), entity()->position + Point(m_facing * 12, -8));
+			m_reflect_count = 0;
+		}
+		else if (Time::on_time(m_timer, 1.4f))
+		{
+			anim->play("float");
+			set_state(st_reflect);
+		}
+	}
+	// REFLECT STATE
+	else if (m_state == st_reflect)
+	{
+		if (Time::on_time(m_timer, 0.4f))
+			anim->play("float");
+
+		auto orb = world()->first<Orb>();
+		if (!orb)
+		{
+			if (m_timer > 1.0f)
+			{
+				m_side = -m_side;
+				set_state(st_floating);
+			}
+		}
+		else if (!orb->towards_player)
+		{
+			if (m_reflect_count < 2)
+			{
+				if (Vec2(orb->entity()->position - orb->target()).length() < 16)
+				{
+					anim->play("reflect");
+					orb->on_hit();
+					m_reflect_count++;
+					m_timer = 0;
+				}
+			}
+			else
+			{
+				if (Vec2(orb->entity()->position - orb->target()).length() < 8)
+				{
+					Factory::pop(world(), entity()->position + Point(0, -8));
+					orb->entity()->destroy();
+					on_hurt(nullptr);
+					m_timer = 0;
+				}
+			}
+		}
+	}
+	// DEAD STATE
+	else if (m_state == st_dead_state)
+	{
+		anim->play("dead");
+
+		if (Time::on_interval(0.25f))
+		{
+			auto offset = Point(Calc::rand_int(-16, 16), Calc::rand_int(-16, 16));
+			Factory::pop(world(), entity()->position + Point(0, -8) + offset);
+		}
+
+		if (Time::on_time(m_timer, 3.0f))
+		{
+			for (int x = -1; x < 2; x ++)
+				for (int y = -1; y < 2; y ++)
+					Factory::pop(world(), entity()->position + Point(x * 12, -8 + y * 12));
+
+			Time::pause_for(0.3f);
+			entity()->destroy();
+		}
+	}
+
+	if (m_state == st_floating || m_state == st_shoot || m_state == st_reflect)
+	{
+		anim->offset.y = Calc::sin(Time::elapsed * 2) * 3;
+	}
+
+	m_last_pos = entity()->position;
+}
+
+void GhostFrog::on_hurt(Hurtable* hurtable)
+{
+	if (health > 0)
+	{
+		health--;
+
+		if (health <= 0 && phase > 0)
+		{
+			set_state(st_dead_state);
+		}
+
+		if (m_state == st_waiting)
+		{
+			Factory::pop(world(), entity()->position + Point(0, -8));
+			Time::pause_for(0.25f);
+			set_state(st_readying_attack);
+		}
+	}
+}
+
+void GhostFrog::on_hit_x(Mover* mover)
+{
+
+}
+
+void GhostFrog::on_hit_y(Mover* mover)
+{
+
+}
+
+void GhostFrog::set_state(int state)
+{
+	m_state = state;
+	m_timer = 0;
+}

src/components/ghost_frog.h

@@ -0,0 +1,48 @@
+#pragma once
+#include "../world.h"
+#include <blah.h>
+
+using namespace Blah;
+
+namespace TL
+{
+	class Hurtable;
+	class Mover;
+	class Collider;
+
+	class GhostFrog : public Component
+	{
+	public:
+		static constexpr int st_waiting = 0;
+		static constexpr int st_readying_attack = 1;
+		static constexpr int st_perform_slash = 2;
+		static constexpr int st_floating = 3;
+		static constexpr int st_shoot = 4;
+		static constexpr int st_reflect = 5;
+		static constexpr int st_dead_state = 6;
+
+		static constexpr int max_health_1 = 10;
+		static constexpr int max_health_2 = 3;
+		int health = max_health_1;
+		int phase = 0;
+
+		GhostFrog();
+
+		void awake() override;
+		void update() override;
+		void on_hurt(Hurtable* hurtable);
+		void on_hit_x(Mover* mover);
+		void on_hit_y(Mover* mover);
+
+	private:
+		void set_state(int state);
+		float m_timer = 0;
+		int m_state = st_waiting;
+		int m_facing = 1;
+		int m_side = 1;
+		int m_reflect_count = 0;
+		Point m_home;
+		Point m_last_pos;
+		Collider* m_attack_collider = nullptr;
+	};
+}

src/components/orb.cpp

@@ -0,0 +1,42 @@
+#include "orb.h"
+#include "mover.h"
+#include "hurtable.h"
+#include "player.h"
+#include "ghost_frog.h"
+#include "../masks.h"
+#include "../factory.h"
+
+using namespace TL;
+
+Point Orb::target() const
+{
+	auto player = world()->first<Player>();
+	auto ghost = world()->first<GhostFrog>();
+
+	if (player && ghost)
+		return (towards_player ? player->entity()->position : ghost->entity()->position) + Point(0, -8);
+	
+	return Point(0, 0);
+}
+
+void Orb::update()
+{
+	auto mover = get<Mover>();
+	auto diff = Vec2(target() - entity()->position).normal();
+	mover->speed = diff * speed;
+}
+
+void Orb::destroyed()
+{
+	Factory::pop(world(), entity()->position);
+}
+
+void Orb::on_hit()
+{
+	towards_player = !towards_player;
+	speed += 40;
+
+	auto hurt = get<Hurtable>();
+	if (towards_player)
+		hurt->stun_timer = 0;
+}

src/components/orb.h

@@ -0,0 +1,20 @@
+#pragma once
+#include "../world.h"
+#include <blah.h>
+
+using namespace Blah;
+
+namespace TL
+{
+	class Orb : public Component
+	{
+	public:
+		float speed = 40;
+		bool towards_player = true;
+
+		Point target() const;
+		void update() override;
+		void destroyed() override;
+		void on_hit();
+	};
+}

src/components/player.cpp

@@ -2,6 +2,7 @@
 #include "mover.h"
 #include "animator.h"
 #include "collider.h"
+#include "orb.h"
 #include "../masks.h"
 
 using namespace TL;
@@ -220,7 +221,10 @@ void Player::update()
 	}
 
 	// Hurt Check!
-	if (m_invincible_timer <= 0 && hitbox->check(Mask::enemy))
+	if (m_invincible_timer <= 0)
+	{
+		auto hit = hitbox->first(Mask::enemy);
+		if (hit)
 		{
 			Time::pause_for(0.1f);
 			anim->play("hurt");
@@ -237,5 +241,11 @@ void Player::update()
 			m_hurt_timer = hurt_duration;
 			m_invincible_timer = invincible_duration;
 			m_state = st_hurt;
+
+			// hack:
+			// destroy orb
+			if (hit->get<Orb>())
+				hit->entity()->destroy();
+		}
 	}
 }

src/components/player.h

@@ -14,7 +14,7 @@ namespace TL
 		static constexpr int st_attack = 1;
 		static constexpr int st_hurt = 2;
 		static constexpr int st_start = 3;
-		static constexpr int max_health = 3;
+		static constexpr int max_health = 30;
 
 		int health = max_health;
 

src/factory.cpp

@@ -7,6 +7,8 @@
 #include "components/hurtable.h"
 #include "components/timer.h"
 #include "components/enemy.h"
+#include "components/ghost_frog.h"
+#include "components/orb.h"
 
 using namespace TL;
 
@@ -19,6 +21,7 @@ Entity* Factory::player(World* world, Point position)
 	anim->depth = -10;
 
 	auto hitbox = en->add(Collider::make_rect(RectI(-4, -12, 8, 12)));
+	hitbox->mask = Mask::player;
 
 	auto mover = en->add(Mover());
 	mover->collider = hitbox;
@@ -334,3 +337,55 @@ Entity* Factory::blob(World* world, Point position)
 	return en;
 }
 
+Entity* Factory::ghost_frog(World* world, Point position)
+{
+	auto en = world->add_entity(position);
+	en->add(GhostFrog());
+	en->add(Enemy());
+
+	auto anim = en->add(Animator("ghostfrog"));
+	anim->play("sword");
+	anim->depth = -5;
+
+	auto hitbox = en->add(Collider::make_rect(RectI(-4, -12, 8, 12)));
+	hitbox->mask = Mask::enemy;
+
+	auto mover = en->add(Mover());
+	mover->collider = hitbox;
+	mover->gravity = 0;
+	mover->friction = 100;
+	mover->on_hit_x = [](Mover* self) { self->get<GhostFrog>()->on_hit_x(self); };
+	mover->on_hit_y = [](Mover* self) { self->get<GhostFrog>()->on_hit_y(self); };
+
+	auto hurtable = en->add(Hurtable());
+	hurtable->hurt_by = Mask::player_attack;
+	hurtable->collider = hitbox;
+	hurtable->on_hurt = [](Hurtable* self) { self->get<GhostFrog>()->on_hurt(self); };
+
+	return en;
+}
+
+Entity* Factory::orb(World* world, Point position)
+{
+	auto en = world->add_entity(position);
+	en->add(Orb());
+
+	auto anim = en->add(Animator("bullet"));
+	anim->play("idle");
+	anim->depth = -5;
+
+	auto hitbox = en->add(Collider::make_rect(RectI(-4, -4, 8, 8)));
+	hitbox->mask = Mask::enemy;
+
+	auto mover = en->add(Mover());
+	mover->collider = hitbox;
+	mover->on_hit_x = [](Mover* self) { Factory::pop(self->world(), self->entity()->position); self->entity()->destroy(); };
+	mover->on_hit_y = [](Mover* self) { Factory::pop(self->world(), self->entity()->position); self->entity()->destroy(); };
+
+	auto hurtable = en->add(Hurtable());
+	hurtable->hurt_by = Mask::player_attack;
+	hurtable->collider = en->add(Collider::make_rect(RectI(-8, -8, 16, 16)));
+	hurtable->on_hurt = [](Hurtable* self) { self->get<Orb>()->on_hit(); };
+
+	return en;
+}

src/factory.h

@@ -16,5 +16,7 @@ namespace TL
 		Entity* mosquito(World* world, Point position);
 		Entity* door(World* world, Point position, bool wait_for_player = false);
 		Entity* blob(World* world, Point position);
+		Entity* ghost_frog(World* world, Point position);
+		Entity* orb(World* world, Point position);
 	}
 }

src/game.cpp

@@ -29,7 +29,7 @@ void Game::startup()
 	m_draw_colliders = false;
 
 	// load first room
-	load_room(Point(11, 0));
+	load_room(Point(12, 0));
 	camera = Vec2(room.x * width, room.y * height);
 }
 
@@ -132,13 +132,17 @@ void Game::load_room(Point cell, bool is_reload)
 
 			// closing door
 			case 0x847e87:
-				Factory::door(&world, world_position, true);
+				Factory::door(&world, world_position, !is_reload);
 				break;
 
 			// blob
 			case 0x3f3f74:
 				Factory::blob(&world, world_position);
 				break;
+
+			case 0x76428a:
+				Factory::ghost_frog(&world, world_position + Point(-4, 0));
+				break;
 			}
 		}
 }

src/masks.h

@@ -9,5 +9,6 @@ namespace TL
 		static constexpr uint32_t jumpthru = 1 << 1;
 		static constexpr uint32_t player_attack = 1 << 2;
 		static constexpr uint32_t enemy = 1 << 3;
+		static constexpr uint32_t player = 1 << 4;
 	};
 }

src/world.h

@@ -245,6 +245,7 @@ namespace TL
 		entity->m_components.push_back(instance);
 		
 		// and we're done!
+		instance->awake();
 		return instance;
 	}