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ADD: Input system

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This commit is contained in:
hydrogendeuteride
2025-12-16 17:59:19 +09:00
parent ac83f8dc48
commit 5b62c57d0c
8 changed files with 748 additions and 110 deletions
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123
src/core/engine.cpp
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@@ -15,6 +15,8 @@
//> includes
#include "engine.h"
#include "core/input/input_system.h"
#include "SDL2/SDL.h"
#include "SDL2/SDL_vulkan.h"
@@ -237,6 +239,8 @@ void VulkanEngine::init()
// Build dependency-injection context
_context = std::make_shared<EngineContext>();
_input = std::make_unique<InputSystem>();
_context->input = _input.get();
_context->device = _deviceManager;
_context->resources = _resourceManager;
_context->descriptors = std::make_shared<DescriptorAllocatorGrowable>(); {
@@ -922,6 +926,16 @@ void VulkanEngine::cleanup()
dump_vma_json(_deviceManager.get(), "before_DeviceManager");
_deviceManager->cleanup();
if (_input)
{
_input->set_cursor_mode(CursorMode::Normal);
_input.reset();
}
if (_context)
{
_context->input = nullptr;
}
SDL_DestroyWindow(_window);
}
}
@@ -1264,75 +1278,78 @@ void VulkanEngine::draw()
_frameNumber++;
}
namespace
{
struct NativeEventDispatchCtx
{
VulkanEngine *engine = nullptr;
bool ui_capture_mouse = false;
};
void dispatch_native_event(void *user, InputSystem::NativeEventView view)
{
auto *ctx = static_cast<NativeEventDispatchCtx *>(user);
if (!ctx || !ctx->engine || view.backend != InputSystem::NativeBackend::SDL2 || view.data == nullptr)
{
return;
}
const SDL_Event &e = *static_cast<const SDL_Event *>(view.data);
if (ctx->engine->ui())
{
ctx->engine->ui()->process_event(e);
}
if (ctx->engine->picking())
{
ctx->engine->picking()->process_event(e, ctx->ui_capture_mouse);
}
}
} // namespace
void VulkanEngine::run()
{
SDL_Event e;
bool bQuit = false;
//main loop
while (!bQuit)
{
auto start = std::chrono::system_clock::now();
//Handle events on queue
while (SDL_PollEvent(&e) != 0)
if (_input)
{
//close the window when user alt-f4s or clicks the X button
if (e.type == SDL_QUIT)
_input->begin_frame();
_input->pump_events();
if (_input->quit_requested())
{
bQuit = true;
}
if (e.type == SDL_WINDOWEVENT)
{
switch (e.window.event)
{
case SDL_WINDOWEVENT_MINIMIZED:
freeze_rendering = true;
break;
case SDL_WINDOWEVENT_RESTORED:
freeze_rendering = false;
resize_requested = true;
_last_resize_event_ms = SDL_GetTicks();
break;
case SDL_WINDOWEVENT_SIZE_CHANGED:
case SDL_WINDOWEVENT_RESIZED:
resize_requested = true;
_last_resize_event_ms = SDL_GetTicks();
break;
case SDL_WINDOWEVENT_MOVED:
// Moving between monitors can change DPI scale; ensure swapchain is refreshed.
resize_requested = true;
_last_resize_event_ms = SDL_GetTicks();
break;
default:
break;
}
}
freeze_rendering = _input->window_minimized();
const bool ui_capture_mouse = _ui && _ui->want_capture_mouse();
const bool ui_capture_keyboard = _ui && _ui->want_capture_keyboard();
if (_input->resize_requested())
{
resize_requested = true;
_last_resize_event_ms = _input->last_resize_event_ms();
_input->clear_resize_request();
}
}
if (_ui)
{
_ui->process_event(e);
}
if (_picking)
{
_picking->process_event(e, ui_capture_mouse);
}
if (_sceneManager)
{
const bool key_event = (e.type == SDL_KEYDOWN) || (e.type == SDL_KEYUP);
const bool mouse_event = (e.type == SDL_MOUSEBUTTONDOWN) ||
(e.type == SDL_MOUSEBUTTONUP) ||
(e.type == SDL_MOUSEMOTION) ||
(e.type == SDL_MOUSEWHEEL);
const bool ui_capture_mouse = _ui && _ui->want_capture_mouse();
const bool ui_capture_keyboard = _ui && _ui->want_capture_keyboard();
if (!(ui_capture_keyboard && key_event) && !(ui_capture_mouse && mouse_event))
{
_sceneManager->getMainCamera().processSDLEvent(e);
}
}
if (_input)
{
NativeEventDispatchCtx ctx{};
ctx.engine = this;
ctx.ui_capture_mouse = ui_capture_mouse;
_input->for_each_native_event(dispatch_native_event, &ctx);
}
if (_sceneManager && _input)
{
_sceneManager->getMainCamera().process_input(*_input, ui_capture_keyboard, ui_capture_mouse);
}
if (freeze_rendering)