space-game001/src/UiManager.h
2026-03-09 23:04:48 +03:00

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#pragma once
#include "render/Renderer.h"
#include "render/TextureManager.h"
#include "render/TextRenderer.h"
#include "Environment.h"
#include "external/nlohmann/json.hpp"
#include <string>
#include <vector>
#include <memory>
#include <functional>
#include <map>
#include <cstdint>
namespace ZL {
using json = nlohmann::json;
struct UiRect {
float x = 0;
float y = 0;
float w = 0;
float h = 0;
bool contains(float px, float py) const {
return px >= x && px <= x + w && py >= y && py <= y + h;
}
bool containsConsideringBorder(float px, float py, float border) const {
return px >= x+border && px <= x + w-border && py >= y+border && py <= y + h-border;
}
};
enum class ButtonState {
Normal,
Hover,
Pressed,
Disabled
};
enum class LayoutType {
Frame, // Позиционирование по X, Y
Linear // Автоматическое позиционирование
};
enum class Orientation {
Vertical,
Horizontal
};
enum class HorizontalAlign {
Left,
Center,
Right
};
enum class VerticalAlign {
Top,
Center,
Bottom
};
enum class HorizontalGravity {
Left,
Center,
Right
};
enum class VerticalGravity {
Bottom, // Обычно в OpenGL Y растет вверх, так что низ - это 0
Center,
Top
};
// В структуру или класс, отвечающий за LinearLayout (вероятно, это свойства UiNode)
struct LayoutSettings {
HorizontalAlign hAlign = HorizontalAlign::Left;
VerticalAlign vAlign = VerticalAlign::Top;
HorizontalGravity hGravity = HorizontalGravity::Left;
VerticalGravity vGravity = VerticalGravity::Top;
};
struct UiButton {
std::string name;
UiRect rect;
float border = 0;
std::shared_ptr<Texture> texNormal;
std::shared_ptr<Texture> texHover;
std::shared_ptr<Texture> texPressed;
std::shared_ptr<Texture> texDisabled;
ButtonState state = ButtonState::Normal;
VertexRenderStruct mesh;
std::function<void(const std::string&)> onClick;
std::function<void(const std::string&)> onPress; // fires on touch/mouse down
// animation runtime
float animOffsetX = 0.0f;
float animOffsetY = 0.0f;
float animScaleX = 1.0f;
float animScaleY = 1.0f;
void buildMesh();
void draw(Renderer& renderer) const;
};
struct UiSlider {
std::string name;
UiRect rect;
std::shared_ptr<Texture> texTrack;
std::shared_ptr<Texture> texKnob;
VertexRenderStruct trackMesh;
VertexRenderStruct knobMesh;
float value = 0.0f;
bool vertical = true;
std::function<void(const std::string&, float)> onValueChanged;
void buildTrackMesh();
void buildKnobMesh();
void draw(Renderer& renderer) const;
};
struct UiTextButton {
std::string name;
UiRect rect;
float border = 0;
// Textures are optional — button can be text-only
std::shared_ptr<Texture> texNormal;
std::shared_ptr<Texture> texHover;
std::shared_ptr<Texture> texPressed;
std::shared_ptr<Texture> texDisabled;
ButtonState state = ButtonState::Normal;
VertexRenderStruct mesh;
// Text drawn on top of the button
std::string text;
std::string fontPath = "resources/fonts/DroidSans.ttf";
int fontSize = 32;
std::array<float, 4> color = { 1.f, 1.f, 1.f, 1.f };
bool textCentered = true;
std::unique_ptr<TextRenderer> textRenderer;
std::function<void(const std::string&)> onClick;
std::function<void(const std::string&)> onPress;
// Animation runtime
float animOffsetX = 0.0f;
float animOffsetY = 0.0f;
float animScaleX = 1.0f;
float animScaleY = 1.0f;
void buildMesh();
void draw(Renderer& renderer) const;
};
struct UiTextView {
std::string name;
UiRect rect;
std::string text = "";
std::string fontPath = "resources/fonts/DroidSans.ttf";
int fontSize = 32;
std::array<float, 4> color = { 1.f, 1.f, 1.f, 1.f }; // rgba
bool centered = true;
std::unique_ptr<TextRenderer> textRenderer;
void draw(Renderer& renderer) const {
if (textRenderer) {
textRenderer->drawText(text, rect.x + rect.w / 2, rect.y + rect.h / 2, 1.0f, centered, color);
}
}
};
struct UiTextField {
std::string name;
UiRect rect;
std::string text = "";
std::string placeholder = "";
std::string fontPath = "resources/fonts/DroidSans.ttf";
int fontSize = 32;
std::array<float, 4> color = { 1.f, 1.f, 1.f, 1.f };
std::array<float, 4> placeholderColor = { 0.5f, 0.5f, 0.5f, 1.f };
std::array<float, 4> backgroundColor = { 0.2f, 0.2f, 0.2f, 1.f };
std::array<float, 4> borderColor = { 0.5f, 0.5f, 0.5f, 1.f };
int maxLength = 256;
bool focused = false;
std::unique_ptr<TextRenderer> textRenderer;
std::function<void(const std::string&, const std::string&)> onTextChanged;
void draw(Renderer& renderer) const;
};
struct UiStaticImage {
std::string name;
UiRect rect;
std::shared_ptr<Texture> texture;
VertexRenderStruct mesh;
void buildMesh();
void draw(Renderer& renderer) const;
};
struct UiNode {
std::string name;
LayoutType layoutType = LayoutType::Frame;
Orientation orientation = Orientation::Vertical;
float spacing = 0.0f;
LayoutSettings layoutSettings;
// Внутренние вычисленные координаты для OpenGL
// Именно их мы передаем в Vertex Buffer при buildMesh()
UiRect screenRect;
// Данные из JSON (желаемые размеры и смещения)
float localX = 0;
float localY = 0;
float width = 0;
float height = 0;
// Иерархия
std::vector<std::shared_ptr<UiNode>> children;
// Компоненты (только один из них обычно активен для ноды)
std::shared_ptr<UiButton> button;
std::shared_ptr<UiTextButton> textButton;
std::shared_ptr<UiSlider> slider;
std::shared_ptr<UiTextView> textView;
std::shared_ptr<UiTextField> textField;
std::shared_ptr<UiStaticImage> staticImage;
// Анимации
struct AnimStep {
std::string type;
float toX = 0.0f;
float toY = 0.0f;
float toScale = 1.0f; // Полезно добавить для UI
float durationMs = 0.0f;
std::string easing = "linear";
};
struct AnimSequence {
std::vector<AnimStep> steps;
bool repeat = false;
};
std::map<std::string, AnimSequence> animations;
};
std::shared_ptr<UiNode> parseNode(const json& j, Renderer& renderer, const std::string& zipFile);
std::shared_ptr<UiNode> loadUiFromFile(const std::string& path, Renderer& renderer, const std::string& zipFile = "");
class UiManager {
public:
UiManager() = default;
// Sentinel finger ID used for mouse events on desktop/web
static constexpr int64_t MOUSE_FINGER_ID = -1LL;
void replaceRoot(std::shared_ptr<UiNode> newRoot);
void loadFromFile(const std::string& path, Renderer& renderer, const std::string& zipFile = "");
void draw(Renderer& renderer);
// Multi-touch methods (used directly for touch events with per-finger IDs)
void onTouchDown(int64_t fingerId, int x, int y);
void onTouchUp(int64_t fingerId, int x, int y);
void onTouchMove(int64_t fingerId, int x, int y);
// Mouse convenience wrappers (delegate to touch with MOUSE_FINGER_ID)
void onMouseMove(int x, int y) { onTouchMove(MOUSE_FINGER_ID, x, y); }
void onMouseDown(int x, int y) { onTouchDown(MOUSE_FINGER_ID, x, y); }
void onMouseUp(int x, int y) { onTouchUp(MOUSE_FINGER_ID, x, y); }
void onKeyPress(unsigned char key);
void onKeyBackspace();
// Returns true if any finger is currently interacting with UI
bool isUiInteraction() const {
return !pressedButtons.empty() || !pressedTextButtons.empty() || !pressedSliders.empty() || focusedTextField != nullptr;
}
// Returns true if this specific finger is currently interacting with UI
bool isUiInteractionForFinger(int64_t fingerId) const {
return pressedButtons.count(fingerId) > 0 || pressedTextButtons.count(fingerId) > 0 || pressedSliders.count(fingerId) > 0 || focusedTextField != nullptr;
}
void stopAllAnimations() {
nodeActiveAnims.clear();
for (auto& b : buttons) {
if (b) {
b->animOffsetX = 0.0f;
b->animOffsetY = 0.0f;
b->animScaleX = 1.0f;
b->animScaleY = 1.0f;
}
}
for (auto& tb : textButtons) {
if (tb) {
tb->animOffsetX = 0.0f;
tb->animOffsetY = 0.0f;
tb->animScaleX = 1.0f;
tb->animScaleY = 1.0f;
}
}
}
std::shared_ptr<UiButton> findButton(const std::string& name);
bool setButtonCallback(const std::string& name, std::function<void(const std::string&)> cb);
bool setButtonPressCallback(const std::string& name, std::function<void(const std::string&)> cb);
std::shared_ptr<UiTextButton> findTextButton(const std::string& name);
bool setTextButtonCallback(const std::string& name, std::function<void(const std::string&)> cb);
bool setTextButtonPressCallback(const std::string& name, std::function<void(const std::string&)> cb);
bool setTextButtonText(const std::string& name, const std::string& newText);
bool addSlider(const std::string& name, const UiRect& rect, Renderer& renderer, const std::string& zipFile,
const std::string& trackPath, const std::string& knobPath, float initialValue = 0.0f, bool vertical = true);
std::shared_ptr<UiSlider> findSlider(const std::string& name);
bool setSliderCallback(const std::string& name, std::function<void(const std::string&, float)> cb);
bool setSliderValue(const std::string& name, float value); // programmatic set (clamped 0..1)
std::shared_ptr<UiTextView> findTextView(const std::string& name);
bool setText(const std::string& name, const std::string& newText);
std::shared_ptr<UiTextField> findTextField(const std::string& name);
bool setTextFieldCallback(const std::string& name, std::function<void(const std::string&, const std::string&)> cb);
std::string getTextFieldValue(const std::string& name);
std::shared_ptr<UiStaticImage> findStaticImage(const std::string& name);
bool pushMenuFromFile(const std::string& path, Renderer& renderer, const std::string& zipFile = "");
bool pushMenuFromSavedRoot(std::shared_ptr<UiNode> newRoot);
bool popMenu();
void clearMenuStack();
void update(float deltaMs);
void startAnimation(const std::string& animName);
bool startAnimationOnNode(const std::string& nodeName, const std::string& animName);
bool stopAnimationOnNode(const std::string& nodeName, const std::string& animName);
bool setAnimationCallback(const std::string& nodeName, const std::string& animName, std::function<void()> cb);
void updateAllLayouts();
private:
void layoutNode(const std::shared_ptr<UiNode>& node, float parentX, float parentY, float parentW, float parentH, float finalLocalX, float finalLocalY);
void syncComponentRects(const std::shared_ptr<UiNode>& node);
void collectButtonsAndSliders(const std::shared_ptr<UiNode>& node);
struct ActiveAnim {
std::string name;
const UiNode::AnimSequence* seq = nullptr;
size_t stepIndex = 0;
float elapsedMs = 0.0f;
bool repeat = false;
float startOffsetX = 0.0f;
float startOffsetY = 0.0f;
float endOffsetX = 0.0f;
float endOffsetY = 0.0f;
float startScaleX = 1.0f;
float startScaleY = 1.0f;
float endScaleX = 1.0f;
float endScaleY = 1.0f;
std::function<void()> onComplete;
float origOffsetX = 0.0f;
float origOffsetY = 0.0f;
float origScaleX = 1.0f;
float origScaleY = 1.0f;
bool stepStarted = false;
};
std::shared_ptr<UiNode> root;
std::vector<std::shared_ptr<UiButton>> buttons;
std::vector<std::shared_ptr<UiTextButton>> textButtons;
std::vector<std::shared_ptr<UiSlider>> sliders;
std::vector<std::shared_ptr<UiTextView>> textViews;
std::vector<std::shared_ptr<UiTextField>> textFields;
std::vector<std::shared_ptr<UiStaticImage>> staticImages;
std::map<std::shared_ptr<UiNode>, std::vector<ActiveAnim>> nodeActiveAnims;
std::map<std::pair<std::string, std::string>, std::function<void()>> animCallbacks; // key: (nodeName, animName)
// Per-finger tracking for multi-touch support
std::map<int64_t, std::shared_ptr<UiButton>> pressedButtons;
std::map<int64_t, std::shared_ptr<UiTextButton>> pressedTextButtons;
std::map<int64_t, std::shared_ptr<UiSlider>> pressedSliders;
std::shared_ptr<UiTextField> focusedTextField;
struct MenuState {
std::shared_ptr<UiNode> root;
std::vector<std::shared_ptr<UiButton>> buttons;
std::vector<std::shared_ptr<UiTextButton>> textButtons;
std::vector<std::shared_ptr<UiSlider>> sliders;
std::vector<std::shared_ptr<UiTextView>> textViews;
std::vector<std::shared_ptr<UiTextField>> textFields;
std::vector<std::shared_ptr<UiStaticImage>> staticImages;
std::map<int64_t, std::shared_ptr<UiButton>> pressedButtons;
std::map<int64_t, std::shared_ptr<UiTextButton>> pressedTextButtons;
std::map<int64_t, std::shared_ptr<UiSlider>> pressedSliders;
std::shared_ptr<UiTextField> focusedTextField;
std::string path;
std::map<std::pair<std::string, std::string>, std::function<void()>> animCallbacks;
};
std::vector<MenuState> menuStack;
};
} // namespace ZL