refactor: drop the engine, states and Metal code

3 files changed, 0 insertions, 148 deletions

diff --git a/src/core/state.h b/src/core/state.h
deleted file mode 100644
index 623f1c2..0000000
--- a/src/core/state.h
+++ /dev/null
@@ -1,19 +0,0 @@
-#pragma once
-
-#include "event.h"
-
-namespace Donut
-{
-    class State
-    {
-    public:
-        virtual ~State() = default;
-
-        virtual auto on_enter() -> void                  = 0;
-        virtual auto on_exit() -> void                   = 0;
-        virtual auto on_update(float delta_time) -> void = 0;
-        virtual auto on_render() -> void                 = 0;
-        virtual auto on_im_ui_render() -> void           = 0;
-        virtual auto on_event(Event& event) -> void      = 0;
-    };
-};
diff --git a/src/core/state_manager.cpp b/src/core/state_manager.cpp
deleted file mode 100644
index 8018401..0000000
--- a/src/core/state_manager.cpp
+++ /dev/null
@@ -1,88 +0,0 @@
-#include "state_manager.h"
-#include "log.h"
-
-namespace Donut
-{
-    auto StateManager::shutdown() -> void
-    {
-        if (m_current_state)
-            m_current_state->on_exit();
-
-        destroy_states();
-        DONUT_INFO("StateManager shutdown");
-    }
-
-    auto StateManager::destroy_states() -> void
-    {
-        m_states.clear();
-        m_current_state = nullptr;
-        m_current_state_name = "";
-    }
-
-    auto StateManager::register_state(const std::string& state_name, Scope<State> state) -> void
-    {
-        if (m_states.find(state_name) != m_states.end())
-            DONUT_WARN("State '{}' already exists, overwriting", state_name);
-        m_states[state_name] = std::move(state);
-        DONUT_INFO("Registered state: {}", state_name);
-    }
-
-    auto StateManager::switch_to_state(const std::string& state_name) -> void
-    {
-        auto it = m_states.find(state_name);
-        if (it == m_states.end())
-        {
-            DONUT_ERROR("Attempted to switch to unknown state: {}", state_name);
-            return;
-        }
-
-        State* new_state = it->second.get();
-        if (new_state == m_current_state)
-            return;
-
-        if (m_current_state)
-            m_current_state->on_exit();
-
-        m_current_state = new_state;
-        m_current_state_name = state_name;
-        m_current_state->on_enter();
-        DONUT_INFO("Switched to state: {}", state_name);
-    }
-
-    auto StateManager::get_state(const std::string& state_name) -> State*
-    {
-        auto it = m_states.find(state_name);
-        if (it != m_states.end())
-            return it->second.get();
-        return nullptr;
-    }
-
-    auto StateManager::has_state(const std::string& state_name) const -> bool
-    {
-        return m_states.find(state_name) != m_states.end();
-    }
-
-    auto StateManager::update(float delta_time) -> void
-    {
-        if (m_current_state)
-            m_current_state->on_update(delta_time);
-    }
-
-    auto StateManager::render() -> void
-    {
-        if (m_current_state)
-            m_current_state->on_render();
-    }
-
-    auto StateManager::on_im_ui_render() -> void
-    {
-        if (m_current_state)
-            m_current_state->on_im_ui_render();
-    }
-
-    auto StateManager::on_event(Event& event) -> void
-    {
-        if (m_current_state)
-            m_current_state->on_event(event);
-    }
-}
diff --git a/src/core/state_manager.h b/src/core/state_manager.h
deleted file mode 100644
index 446841e..0000000
--- a/src/core/state_manager.h
+++ /dev/null
@@ -1,41 +0,0 @@
-#pragma once
-
-#include "memory.h"
-#include "state.h"
-
-#include <string>
-#include <unordered_map>
-
-namespace Donut
-{
-    class StateManager
-    {
-    public:
-        ~StateManager() = default;
-        auto shutdown() -> void;
-
-        auto update(float delta_time) -> void;
-        auto render() -> void;
-        auto on_im_ui_render() -> void;
-        auto on_event(Event& event) -> void;
-
-        auto register_state(const std::string& state_name, Scope<State> state) -> void;
-        auto switch_to_state(const std::string& state_name) -> void;
-
-        auto get_current_state_name() const -> std::string { return m_current_state_name; }
-        auto get_current_state() const -> State* { return m_current_state; }
-
-        auto get_state(const std::string& state_name) -> State*;
-        auto has_state(const std::string& state_name) const -> bool;
-
-    private:
-        auto create_states() -> void;
-        auto destroy_states() -> void;
-
-    private:
-        State*      m_current_state      = nullptr;
-        std::string m_current_state_name = "";
-
-        std::unordered_map<std::string, Scope<State>> m_states;
-    };
-}