From 2ebe1916a4d2334833606b7c4b60638ca78ccf3b Mon Sep 17 00:00:00 2001
From: Raimon Zamora <jaildoctor@gmail.com>
Date: Tue, 3 Dec 2024 15:29:05 +0100
Subject: [PATCH] - Treballant en el menu del joc

---
 main.cpp      |  19 +++++++-
 ui_menu.cpp   | 130 ++++++++++++++++++++++++++++++++++++++++++++++++++
 ui_menu.h     |  14 ++++++
 zx_screen.cpp |  11 ++++-
 zx_screen.h   |   7 ++-
 5 files changed, 177 insertions(+), 4 deletions(-)
 create mode 100644 ui_menu.cpp
 create mode 100644 ui_menu.h

diff --git a/main.cpp b/main.cpp
index 7104ffe..819d97d 100644
--- a/main.cpp
+++ b/main.cpp
@@ -8,6 +8,8 @@
 #include "zx_tape.h"
 #include <SDL2/SDL.h>
 #include <string.h>
+#include "ui.h"
+#include "ui_menu.h"
 
 uint8_t memory[65536];
 uint32_t time = 0;
@@ -26,6 +28,16 @@ int main(int argc, char *argv[])
     z80debug::init();
     zxscreen::init();
 
+    ui::menu::init();
+    int menu = ui::menu::addsubmenu("FILE");
+    ui::menu::addoption(menu, "LOAD TAPE", nullptr);
+    ui::menu::addoption(menu, "SAVE TAPE", nullptr);
+    ui::menu::addseparator(menu);
+    ui::menu::addoption(menu, "LOAD STATE", nullptr);
+    ui::menu::addoption(menu, "SAVE STATE", nullptr);
+    menu = ui::menu::addsubmenu("OPTIONS");
+    ui::menu::addbooloption(menu, "BERSERK MODE", false, nullptr);
+
     zx_ula::sound_init();
 
     zx_tape::load("alien8.tap");
@@ -77,7 +89,7 @@ int main(int argc, char *argv[])
                 if (e.type == SDL_TEXTINPUT) {
                     z80debug::sendToConsole(e.text.text);
                 }
-                
+
             } else if (z80debug::paused()) {
                 if (e.type == SDL_KEYDOWN) {
                     if (e.key.keysym.scancode==SDL_SCANCODE_ESCAPE) {
@@ -91,6 +103,7 @@ int main(int argc, char *argv[])
                 if (e.type == SDL_KEYDOWN) {
                     if (e.key.keysym.scancode==SDL_SCANCODE_ESCAPE) {
                         z80debug::pause();
+                        ui::setrenderer(zxscreen::getrenderer());
                         zxscreen::redraw();
                     } else if (e.key.keysym.scancode==SDL_SCANCODE_F1) {
                         zxscreen::decZoom();
@@ -141,6 +154,10 @@ int main(int argc, char *argv[])
                     time = SDL_GetTicks();
                 }
             }
+        } else if (z80debug::paused()) {
+            zxscreen::redraw(false);
+            ui::menu::show();
+            zxscreen::present();
         }
     }
 
diff --git a/ui_menu.cpp b/ui_menu.cpp
new file mode 100644
index 0000000..9b7a2eb
--- /dev/null
+++ b/ui_menu.cpp
@@ -0,0 +1,130 @@
+#include "ui_menu.h"
+#include "ui.h"
+#include <vector>
+#include <string>
+#include "zx_screen.h"
+
+namespace ui
+{
+    namespace menu
+    {
+        #define OPTION_TYPE_NORMAL      0
+        #define OPTION_TYPE_SEPARATOR   1
+        #define OPTION_TYPE_BOOLEAN     2
+
+        struct option_t
+        {
+            std::string label;
+            int type;
+            int value;
+            int (*callback)(int);
+        };
+
+        struct menu_t
+        {
+            std::string label;
+            SDL_Rect rect;
+            std::vector<option_t> options;
+        };
+
+        std::vector<menu_t> menus;
+        int visible_menu = -1;
+        int menu_x = 0;
+
+        void init()
+        {
+            // No se si hi ha algo que fer ací...
+        }
+
+        void show()
+        {
+            int mx, my;
+            Uint32 mb = SDL_GetMouseState(&mx, &my);
+            mx=mx/CHR_W; my=my/CHR_H;
+            ui::printrect(0, 0, 59, 1, COLOR_BLACK);
+            int opt_pos=1;
+            int index=0;
+            for (auto menu : menus)
+            {
+                const int text_size = (menu.label.size()+2);
+                uint8_t text_color = COLOR_WHITE;
+                if (my<1 && mx>=opt_pos && mx<opt_pos+text_size)
+                {
+                    ui::printrect(opt_pos-1, 0, text_size, 1, COLOR_DARK_BLUE);
+                    text_color = COLOR_WHITE;
+                    visible_menu = index;
+                    menu_x = opt_pos-1;
+                }
+                ui::printtxt(opt_pos, 0, menu.label.c_str(), text_color);
+                opt_pos+=text_size;
+                index++;
+            }
+            if (visible_menu!=-1)
+            {
+                opt_pos=2;
+                menu_t m = menus[visible_menu];
+                ui::printrect(menu_x, 1, 22, m.options.size()+2, COLOR_BLACK);
+                ui::box(menu_x, 1, 22, m.options.size()+2, COLOR_WHITE);
+                for (auto option : m.options)
+                {
+                    if (option.type!=OPTION_TYPE_SEPARATOR)
+                    {
+                        const int text_size = (option.label.size()+2);
+                        uint8_t text_color = COLOR_WHITE;
+                        if (my==opt_pos && mx>=menu_x && mx<menu_x+text_size)
+                        {
+                            ui::printrect(menu_x+1, opt_pos, 20, 1, COLOR_DARK_BLUE);
+                            text_color = COLOR_WHITE;
+                        }
+                        ui::printtxt(menu_x+1, opt_pos, option.label.c_str(), text_color);
+
+                        if (option.type==OPTION_TYPE_BOOLEAN)
+                        {
+                            const char *check = option.value?"[X]":"[ ]";
+                            ui::printtxt(menu_x+18, opt_pos, check, text_color);
+                        }
+                    }
+                    opt_pos++;
+                }
+            }
+        }
+
+        const int addsubmenu(const char *label)
+        {
+            menu_t m;
+            m.label = label;
+            m.rect = {0, 0, 100, 0};
+            menus.push_back(m);
+
+            return menus.size()-1;
+        }
+
+        void addoption(int menu, const char *label, int(*callback)(int))
+        {
+            option_t op;
+            op.type = OPTION_TYPE_NORMAL;
+            op.label = label;
+            op.callback = callback;
+            menus[menu].options.push_back(op);
+            menus[menu].rect.h += 15;
+        }
+
+        void addbooloption(int menu, const char *label, bool default_value, int(*callback)(int))
+        {
+            option_t op;
+            op.type = OPTION_TYPE_BOOLEAN;
+            op.label = label;
+            op.value = default_value?1:0;
+            op.callback = callback;
+            menus[menu].options.push_back(op);
+            menus[menu].rect.h += 15;
+        }
+
+        void addseparator(int menu)
+        {
+            option_t op;
+            op.type = OPTION_TYPE_SEPARATOR;
+            menus[menu].options.push_back(op);
+        }
+    }
+}
\ No newline at end of file
diff --git a/ui_menu.h b/ui_menu.h
new file mode 100644
index 0000000..e2001ed
--- /dev/null
+++ b/ui_menu.h
@@ -0,0 +1,14 @@
+#pragma once
+
+namespace ui
+{
+    namespace menu
+    {
+        void init();
+        void show();
+        const int addsubmenu(const char *label);
+        void addoption(int menu, const char *label, int(*callback)(int));
+        void addbooloption(int menu, const char *label, bool default_value, int(*callback)(int));
+        void addseparator(int menu);
+    }
+}
\ No newline at end of file
diff --git a/zx_screen.cpp b/zx_screen.cpp
index 75fe6d0..941d3f4 100644
--- a/zx_screen.cpp
+++ b/zx_screen.cpp
@@ -173,7 +173,7 @@ namespace zxscreen
         }
     }
 
-    void redraw()
+    void redraw(const bool present)
     {
         if (zx_tape::berserk()) return;
 
@@ -192,6 +192,11 @@ namespace zxscreen
         // Pintem la textura a pantalla
         SDL_RenderCopy(ren, tex, NULL, &dest_rect);
 
+        if (present) SDL_RenderPresent(ren);
+    }
+
+    void present()
+    {
         SDL_RenderPresent(ren);
     }
 
@@ -224,4 +229,8 @@ namespace zxscreen
         reinit();
     }
 
+    SDL_Renderer *getrenderer()
+    {
+        return ren;
+    }
 }
diff --git a/zx_screen.h b/zx_screen.h
index 64f9485..2b22d80 100644
--- a/zx_screen.h
+++ b/zx_screen.h
@@ -1,14 +1,17 @@
 #pragma once
-#include <stdint.h>
+#include <SDL2/SDL.h>
 
 namespace zxscreen
 {
     void init();
     void reinit();
     void refresh(const uint8_t dt);
-    void redraw();
+    void redraw(const bool present=true);
+    void present();
 
     void incZoom();
     void decZoom();
     void toggleFullscreen();
+
+    SDL_Renderer *getrenderer();
 }