diff options
Diffstat (limited to 'src/game/client/gui/hotbar.cc')
| -rw-r--r-- | src/game/client/gui/hotbar.cc | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/src/game/client/gui/hotbar.cc b/src/game/client/gui/hotbar.cc new file mode 100644 index 0000000..663f263 --- /dev/null +++ b/src/game/client/gui/hotbar.cc @@ -0,0 +1,182 @@ +#include "client/pch.hh" + +#include "client/gui/hotbar.hh" + +#include "core/io/config_map.hh" + +#include "core/resource/resource.hh" + +#include "shared/world/item_registry.hh" + +#include "client/config/keybind.hh" + +#include "client/gui/settings.hh" +#include "client/gui/status_lines.hh" + +#include "client/io/glfw.hh" + +#include "client/resource/texture_gui.hh" + +#include "client/globals.hh" + +constexpr static float ITEM_SIZE = 20.0f; +constexpr static float ITEM_PADDING = 2.0f; +constexpr static float SELECTOR_PADDING = 1.0f; +constexpr static float HOTBAR_PADDING = 2.0f; + +unsigned int gui::hotbar::active_slot = 0U; +std::array<const world::Item*, HOTBAR_SIZE> gui::hotbar::slots = {}; + +static config::KeyBind hotbar_keys[HOTBAR_SIZE]; + +static resource_ptr<TextureGUI> hotbar_background; +static resource_ptr<TextureGUI> hotbar_selector; + +static ImU32 get_color_alpha(ImGuiCol style_color, float alpha) +{ + const auto& color = ImGui::GetStyleColorVec4(style_color); + return ImGui::GetColorU32(ImVec4(color.x, color.y, color.z, alpha)); +} + +static void update_hotbar_item(void) +{ + auto current_item = gui::hotbar::slots[gui::hotbar::active_slot]; + + if(current_item == nullptr) { + gui::status_lines::unset(gui::STATUS_HOTBAR); + } + else { + gui::status_lines::set(gui::STATUS_HOTBAR, current_item->get_name(), ImVec4(1.0f, 1.0f, 1.0f, 1.0f), 5.0f); + } +} + +static void on_glfw_key(const io::GlfwKeyEvent& event) +{ + if((event.action == GLFW_PRESS) && !globals::gui_screen) { + for(unsigned int i = 0U; i < HOTBAR_SIZE; ++i) { + if(hotbar_keys[i].equals(event.key)) { + gui::hotbar::active_slot = i; + update_hotbar_item(); + break; + } + } + } +} + +static void on_glfw_scroll(const io::GlfwScrollEvent& event) +{ + if(!globals::gui_screen) { + if(event.dy < 0.0) { + gui::hotbar::next_slot(); + return; + } + + if(event.dy > 0.0) { + gui::hotbar::prev_slot(); + return; + } + } +} + +void gui::hotbar::init(void) +{ + hotbar_keys[0].set_key(GLFW_KEY_1); + hotbar_keys[1].set_key(GLFW_KEY_2); + hotbar_keys[2].set_key(GLFW_KEY_3); + hotbar_keys[3].set_key(GLFW_KEY_4); + hotbar_keys[4].set_key(GLFW_KEY_5); + hotbar_keys[5].set_key(GLFW_KEY_6); + hotbar_keys[6].set_key(GLFW_KEY_7); + hotbar_keys[7].set_key(GLFW_KEY_8); + hotbar_keys[8].set_key(GLFW_KEY_9); + + globals::client_config.add_value("hotbar.key.0", hotbar_keys[0]); + globals::client_config.add_value("hotbar.key.1", hotbar_keys[1]); + globals::client_config.add_value("hotbar.key.3", hotbar_keys[2]); + globals::client_config.add_value("hotbar.key.4", hotbar_keys[3]); + globals::client_config.add_value("hotbar.key.5", hotbar_keys[4]); + globals::client_config.add_value("hotbar.key.6", hotbar_keys[5]); + globals::client_config.add_value("hotbar.key.7", hotbar_keys[6]); + globals::client_config.add_value("hotbar.key.8", hotbar_keys[7]); + globals::client_config.add_value("hotbar.key.9", hotbar_keys[8]); + + settings::add_keybind(10, hotbar_keys[0], settings_location::KEYBOARD_GAMEPLAY, "hotbar.slot.0"); + settings::add_keybind(11, hotbar_keys[1], settings_location::KEYBOARD_GAMEPLAY, "hotbar.slot.1"); + settings::add_keybind(12, hotbar_keys[2], settings_location::KEYBOARD_GAMEPLAY, "hotbar.slot.2"); + settings::add_keybind(13, hotbar_keys[3], settings_location::KEYBOARD_GAMEPLAY, "hotbar.slot.3"); + settings::add_keybind(14, hotbar_keys[4], settings_location::KEYBOARD_GAMEPLAY, "hotbar.slot.4"); + settings::add_keybind(15, hotbar_keys[5], settings_location::KEYBOARD_GAMEPLAY, "hotbar.slot.5"); + settings::add_keybind(16, hotbar_keys[6], settings_location::KEYBOARD_GAMEPLAY, "hotbar.slot.6"); + settings::add_keybind(17, hotbar_keys[7], settings_location::KEYBOARD_GAMEPLAY, "hotbar.slot.7"); + settings::add_keybind(18, hotbar_keys[8], settings_location::KEYBOARD_GAMEPLAY, "hotbar.slot.8"); + + hotbar_background = resource::load<TextureGUI>("textures/gui/hud_hotbar.png", TEXTURE_GUI_LOAD_CLAMP_S | TEXTURE_GUI_LOAD_CLAMP_T); + hotbar_selector = resource::load<TextureGUI>("textures/gui/hud_selector.png", TEXTURE_GUI_LOAD_CLAMP_S | TEXTURE_GUI_LOAD_CLAMP_T); + + globals::dispatcher.sink<io::GlfwKeyEvent>().connect<&on_glfw_key>(); + globals::dispatcher.sink<io::GlfwScrollEvent>().connect<&on_glfw_scroll>(); +} + +void gui::hotbar::shutdown(void) +{ + hotbar_background = nullptr; + hotbar_selector = nullptr; +} + +void gui::hotbar::layout(void) +{ + auto& style = ImGui::GetStyle(); + + auto item_size = ITEM_SIZE * globals::gui_scale; + auto hotbar_width = HOTBAR_SIZE * item_size; + auto hotbar_padding = HOTBAR_PADDING * globals::gui_scale; + + auto viewport = ImGui::GetMainViewport(); + auto draw_list = ImGui::GetForegroundDrawList(); + + // Draw the hotbar background image + auto background_start = ImVec2(0.5f * viewport->Size.x - 0.5f * hotbar_width, viewport->Size.y - item_size - hotbar_padding); + auto background_end = ImVec2(background_start.x + hotbar_width, background_start.y + item_size); + draw_list->AddImage(hotbar_background->handle, background_start, background_end); + + // Draw the hotbar selector image + auto selector_padding_a = SELECTOR_PADDING * globals::gui_scale; + auto selector_padding_b = SELECTOR_PADDING * globals::gui_scale * 2.0f; + auto selector_start = ImVec2(background_start.x + gui::hotbar::active_slot * item_size - selector_padding_a, + background_start.y - selector_padding_a); + auto selector_end = ImVec2(selector_start.x + item_size + selector_padding_b, selector_start.y + item_size + selector_padding_b); + draw_list->AddImage(hotbar_selector->handle, selector_start, selector_end); + + // Figure out item texture padding values + auto item_padding_a = ITEM_PADDING * globals::gui_scale; + auto item_padding_b = ITEM_PADDING * globals::gui_scale * 2.0f; + + // Draw individual item textures in the hotbar + for(std::size_t i = 0; i < HOTBAR_SIZE; ++i) { + auto item = gui::hotbar::slots[i]; + + if((item == nullptr) || (item->get_cached_texture() == nullptr)) { + // There's either no item in the slot + // or the item doesn't have a texture + continue; + } + + const auto item_start = ImVec2(background_start.x + i * item_size + item_padding_a, background_start.y + item_padding_a); + const auto item_end = ImVec2(item_start.x + item_size - item_padding_b, item_start.y + item_size - item_padding_b); + draw_list->AddImage(item->get_cached_texture()->handle, item_start, item_end); + } +} + +void gui::hotbar::next_slot(void) +{ + gui::hotbar::active_slot += 1U; + gui::hotbar::active_slot %= HOTBAR_SIZE; + update_hotbar_item(); +} + +void gui::hotbar::prev_slot(void) +{ + gui::hotbar::active_slot += HOTBAR_SIZE - 1U; + gui::hotbar::active_slot %= HOTBAR_SIZE; + update_hotbar_item(); +} |