From 8d8db2ae3c64d7de45bb34cbdac2c4f150ed0c09 Mon Sep 17 00:00:00 2001
From: DeaDDooMER <deaddoomer@deadsoftware.ru>
Date: Fri, 10 Apr 2020 11:19:18 +0400
Subject: [PATCH] menu: add video settings

---
 src/gl/render.c | 55 +++++++++++++++++++++++++++++++++++--------------
 src/menu.c      | 13 +++++++++---
 src/menu.h      |  3 +++
 src/render.h    |  9 ++++----
 4 files changed, 57 insertions(+), 23 deletions(-)

diff --git a/src/gl/render.c b/src/gl/render.c
index bfd379c..0818286 100644
--- a/src/gl/render.c
+++ b/src/gl/render.c
@@ -81,8 +81,6 @@ typedef struct image {
 /* Render Specific */
 int SCRW = 320; // public
 int SCRH = 200; // public
-static int gamma;
-static int fullscreen;
 static rgb playpal[256];
 static byte bright[256];
 static GLuint lastTexture;
@@ -1598,7 +1596,7 @@ void R_draw (void) {
   Y_swap_buffers();
 }
 
-void R_alloc (void) {
+static void R_alloc (void) {
   char s[10];
   int i, j, n;
   logo("R_alloc: load graphics\n");
@@ -1847,10 +1845,9 @@ void R_set_videomode (int w, int h, int fullscreen) {
   }
 }
 
-void R_toggle_fullscreen (void) {
+static void R_fullscreen (int yes) {
   R_cache_free(root, 0);
-  Y_set_fullscreen(!Y_get_fullscreen());
-  fullscreen = Y_get_fullscreen();
+  Y_set_fullscreen(yes);
   Y_get_videomode(&SCRW, &SCRH);
   root = R_cache_new();
   assert(root);
@@ -1858,10 +1855,46 @@ void R_toggle_fullscreen (void) {
   R_reload_textures();
 }
 
+static int R_video_menu_handler (new_msg_t *msg, const new_menu_t *m, void *data) {
+  intptr_t i = (intptr_t)data;
+  static int fullscreen;
+  switch (i) {
+    case -1:
+      switch (msg->type) {
+        case GM_ENTER: fullscreen = Y_get_fullscreen(); return 1;
+      }
+      break;
+    case 0:
+      switch (msg->type) {
+        case GM_SELECT: fullscreen = !fullscreen; return 1;
+        case GM_GETSTR: return GM_init_str(msg, fullscreen ? "Yes" : "No", 3);
+      }
+      break;
+    case 1:
+      switch (msg->type) {
+        case GM_SELECT: R_fullscreen(fullscreen); return 1;
+      }
+  }
+  return 0;
+}
+
+static const new_menu_t video_menu = {
+  GM_BIG, "Video", (void*)-1, &R_video_menu_handler,
+  {
+    { GM_BUTTON, "Fullscreen: ", (void*)0, &R_video_menu_handler, NULL },
+    { GM_BUTTON, "Apply", (void*)1, &R_video_menu_handler, NULL },
+    { 0, NULL, NULL, NULL, NULL } // end
+  }
+};
+
+const new_menu_t *R_menu (void) {
+  return &video_menu;
+}
+
 void R_init (void) {
   logo("R_init: intialize opengl render\n");
   R_init_playpal();
-  R_set_videomode(SCRW, SCRH, fullscreen);
+  R_set_videomode(SCRW, SCRH, 0);
 }
 
 void R_done (void) {
@@ -1870,14 +1903,6 @@ void R_done (void) {
   root = NULL;
 }
 
-void R_setgamma (int g) {
-  gamma = g < 0 ? 0 : (g > 4 ? 4 : g);
-}
-
-int R_getgamma (void) {
-  return gamma;
-}
-
 void R_get_name (int n, char s[8]) {
   assert(n >= 0 && n < 256);
   if (walp[n].res == -1) {
diff --git a/src/menu.c b/src/menu.c
index e80e436..f7ba78f 100644
--- a/src/menu.c
+++ b/src/menu.c
@@ -94,7 +94,7 @@ static void GM_say (const char nm[8]) {
   }
 }
 
-static int GM_init_int (new_msg_t *msg, int i, int a, int b, int s) {
+int GM_init_int (new_msg_t *msg, int i, int a, int b, int s) {
   assert(msg != NULL);
   assert(a <= b);
   assert(s >= 0);
@@ -105,7 +105,7 @@ static int GM_init_int (new_msg_t *msg, int i, int a, int b, int s) {
   return 1;
 }
 
-static int GM_init_str (new_msg_t *msg, char *str, int maxlen) {
+int GM_init_str (new_msg_t *msg, char *str, int maxlen) {
   assert(msg != NULL);
   assert(str != NULL);
   assert(maxlen >= 0);
@@ -221,6 +221,13 @@ static int GM_save_handler (new_msg_t *msg, const new_menu_t *m, void *data) {
   return 0;
 }
 
+static int GM_options_handler (new_msg_t *msg, const new_menu_t *m, void *data) {
+  switch (msg->type) {
+    case GM_SELECT: GM_push(R_menu()); return 1;
+  }
+  return 0;
+}
+
 static int GM_exit_handler (new_msg_t *msg, const new_menu_t *m, void *data) {
   switch (msg->type) {
     case GM_ENTER:
@@ -289,7 +296,7 @@ static const new_menu_t newgame_menu = {
 }, options_menu = {
   GM_BIG, "Options", NULL, NULL,
   {
-    //{ GM_BUTTON, "Video", NULL, NULL, NULL },
+    { GM_BUTTON, "Video", NULL, &GM_options_handler, NULL },
     { GM_BUTTON, "Sound", NULL, NULL, &sound_menu },
     { GM_BUTTON, "Music", NULL, NULL, &music_menu },
     { 0, NULL, NULL, NULL, NULL } // end
diff --git a/src/menu.h b/src/menu.h
index b0b2929..38a3205 100644
--- a/src/menu.h
+++ b/src/menu.h
@@ -93,6 +93,9 @@ extern int imax;
 
 extern short lastkey;
 
+int GM_init_int (new_msg_t *msg, int i, int a, int b, int s);
+int GM_init_str (new_msg_t *msg, char *str, int maxlen);
+
 void GM_push (const new_menu_t *m);
 void GM_pop (void);
 void GM_popall (void);
diff --git a/src/render.h b/src/render.h
index 4904017..1299929 100644
--- a/src/render.h
+++ b/src/render.h
@@ -1,16 +1,15 @@
 #ifndef RENDER_H_INCLUDED
 #define RENDER_H_INCLUDED
 
+#include "menu.h"
+
 extern int SCRW, SCRH; // from vga.c
 
-void R_draw (void);
-void R_alloc (void);
+const new_menu_t *R_menu (void);
 void R_init (void);
+void R_draw (void);
 void R_done (void);
 
-void R_setgamma (int g);
-int R_getgamma (void);
-void R_toggle_fullscreen (void);
 void R_set_videomode (int w, int h, int fullscreen);
 
 void R_get_name (int n, char s[8]);
-- 
2.29.2