njin_dialog.h

#pragma once
#include "_math.h"
#include "_types.h"
#include "njin_json.h"
#include "njin_ui.h"
#include <functional>
#include <string>
#include <vector>
 
namespace njin {
struct context;


struct dialog_choice {
  std::string text;  
  std::string next;  
  std::string event; 
  std::string cond;  
};

struct dialog_node {
  std::string id;       
  std::string speaker;  
  std::string text;     
  std::string portrait; 
  std::string next;     
  std::string event;    
  std::string cond;     
  std::vector<dialog_choice> choices; 
};

struct dialog_script {
  std::vector<dialog_node> nodes; 
  std::string start;              
};

bool dialog_parse(const json_value &json, dialog_script &out);

bool dialog_load(const char *path, dialog_script &out);

struct dialog_style {
  font_handle font{};       
  f32 font_size = 26.0f;    
  f32 scale = 1.0f;         
  i32 lines = 3;            
  f32 margin = 24.0f;       
  f32 padding = 18.0f;      
  f32 max_width = 1100.0f;  
  bool top = false;         
  f32 chars_per_second = 45.0f; 
  ui_look box{};            
  ui_look name{};           
  ui_look choice{};         
  vec2 portrait_size{0.0f, 0.0f}; 
  sound_handle sound_blip{};   
  sound_handle sound_next{};   
  bool pause_game = false;
  action_handle advance{};
};

dialog_style dialog_default_style();

void dialog_set_style(context &ctx, const dialog_style &style);

dialog_style dialog_get_style(const context &ctx);

void dialog_portrait(context &ctx, const char *name, texture_handle texture, rect source = {});

void dialog_set_condition(context &ctx, std::function<bool(context &, const std::string &)> fn);

void dialog_start(context &ctx, const dialog_script &script, const char *start = nullptr);

void dialog_say(context &ctx, const char *speaker, const char *text, const char *portrait = nullptr);

bool dialog_active(const context &ctx);

void dialog_stop(context &ctx);

struct dialog_event {
  std::string name; 
  std::string node; 
};

struct dialog_ended {
  std::string last_node; 
};

} // namespace njin