From 9e1e0e91b3dc72543e5f33da1d681b3ebb6cb22d Mon Sep 17 00:00:00 2001
From: kichikuou <KichikuouChrome@gmail.com>
Date: Thu, 3 Sep 2026 13:23:41 +0900
Subject: [PATCH] Remove g_nact references from ags.cpp

---
 src/sys/ags.cpp       | 45 ----------------------------------------
 src/sys/ags.h         |  5 ++---
 src/sys/nact.cpp      | 48 +++++++++++++++++++++++++++++++++++++++++++
 src/sys/nact.h        |  3 +++
 src/sys/nact_sys2.cpp |  4 ++--
 src/sys/nact_sys3.cpp |  4 ++--
 6 files changed, 57 insertions(+), 52 deletions(-)

diff --git a/src/sys/ags.cpp b/src/sys/ags.cpp
index e2ee07e..960aef6 100644
--- a/src/sys/ags.cpp
+++ b/src/sys/ags.cpp
@@ -7,7 +7,6 @@
 #include "ags.h"
 #include <ctype.h>
 #include <string.h>
-#include "nact.h"
 #include "game_id.h"
 #include "config.h"
 #include "fileio.h"
@@ -261,36 +260,6 @@ std::vector<uint32_t> AGS::get_screen_palette() const
 	return palette;
 }
 
-void AGS::fade_out(int duration_ms, bool white)
-{
-	if (fade_level)
-		return;
-
-	fade_color = white ? 255 : 0;
-
-	Uint32 dwStart = SDL_GetTicks();
-	while (fade_level < 255) {
-		g_nact->sys_sleep(16);
-		int t = SDL_GetTicks() - dwStart;
-		fade_level = t >= duration_ms ? 255 : t * 255 / duration_ms;
-	}
-	update_screen();
-}
-
-void AGS::fade_in(int duration_ms)
-{
-	if (fade_level == 0)
-		return;
-
-	Uint32 dwStart = SDL_GetTicks();
-	while (fade_level > 0) {
-		g_nact->sys_sleep(16);
-		int t = SDL_GetTicks() - dwStart;
-		fade_level = t >= duration_ms ? 0 : (duration_ms - t) * 255 / duration_ms;
-	}
-	update_screen();
-}
-
 void AGS::invalidate_screen(int sx, int sy, int width, int height)
 {
 	SDL_Rect rect = {sx, sy, width, height};
@@ -403,17 +372,3 @@ void AGS::load_censor_list(const char* fname)
 
 	fclose(fp);
 }
-
-#ifdef __EMSCRIPTEN__
-extern "C" {
-
-bool EMSCRIPTEN_KEEPALIVE save_screenshot(const char* path) {
-	return g_nact->ags->save_screenshot(path);
-}
-
-void EMSCRIPTEN_KEEPALIVE load_censor_list(const char *path) {
-	return g_nact->ags->load_censor_list(path);
-}
-
-}
-#endif
diff --git a/src/sys/ags.h b/src/sys/ags.h
index 65fdfe0..bdbe1cd 100644
--- a/src/sys/ags.h
+++ b/src/sys/ags.h
@@ -103,9 +103,8 @@ public:
 	void invalidate_screen(int sx, int sy, int width, int height);
 	void draw_gaiji(ScreenId dest, int dest_x, int dest_y, const uint8_t bitmap[32], int size, uint8 color);
 	bool is_faded() const { return fade_level != 0; }
-
-	void fade_out(int duration_ms, bool white);
-	void fade_in(int duration_ms);
+	void set_fade_color(bool white) { fade_color = white ? 255 : 0; }
+	void set_fade_level(int level) { fade_level = level; }
 
 	void copy(int sx, int sy, int ex, int ey, int dx, int dy) {
 		copy_screen(src_screen, dest_screen, sx, sy, ex, ey, dx, dy);
diff --git a/src/sys/nact.cpp b/src/sys/nact.cpp
index 317c0c8..9b4f712 100644
--- a/src/sys/nact.cpp
+++ b/src/sys/nact.cpp
@@ -721,6 +721,40 @@ void NACT::wait_after_open_menu()
 	wait_key_release();
 }
 
+void NACT::fade_out(int duration_ms, bool white)
+{
+	if (ags->is_faded())
+		return;
+
+	ags->set_fade_color(white);
+
+	uint32_t start = SDL_GetTicks();
+	int level = 0;
+	while (level < 255) {
+		sys_sleep(16);
+		int t = SDL_GetTicks() - start;
+		level = t >= duration_ms ? 255 : t * 255 / duration_ms;
+		ags->set_fade_level(level);
+	}
+	ags->update_screen();
+}
+
+void NACT::fade_in(int duration_ms)
+{
+	if (!ags->is_faded())
+		return;
+
+	uint32_t start = SDL_GetTicks();
+	int level = 255;
+	while (level > 0) {
+		sys_sleep(16);
+		int t = SDL_GetTicks() - start;
+		level = t >= duration_ms ? 0 : (duration_ms - t) * 255 / duration_ms;
+		ags->set_fade_level(level);
+	}
+	ags->update_screen();
+}
+
 void NACT::sys_sleep(int ms) {
 	pump_events();
 	ags->update_screen();
@@ -757,3 +791,17 @@ NACT* NACT::create(const Config& config, const GameId& game_id) {
 		return create_system3(config, game_id);
 	}
 }
+
+#ifdef __EMSCRIPTEN__
+extern "C" {
+
+bool EMSCRIPTEN_KEEPALIVE save_screenshot(const char* path) {
+	return g_nact->ags->save_screenshot(path);
+}
+
+void EMSCRIPTEN_KEEPALIVE load_censor_list(const char *path) {
+	return g_nact->ags->load_censor_list(path);
+}
+
+}
+#endif
diff --git a/src/sys/nact.h b/src/sys/nact.h
index 60814dd..9c598f3 100644
--- a/src/sys/nact.h
+++ b/src/sys/nact.h
@@ -236,6 +236,9 @@ protected:
 	int menu_select();
 	void wait_after_open_menu();
 
+	void fade_out(int duration_ms, bool white);
+	void fade_in(int duration_ms);
+
 	uint8 get_key(bool notify_texthook = true);
 	void wait_key_release(uint8_t mask = 0xff);
 
diff --git a/src/sys/nact_sys2.cpp b/src/sys/nact_sys2.cpp
index 01e3b41..ef8a628 100644
--- a/src/sys/nact_sys2.cpp
+++ b/src/sys/nact_sys2.cpp
@@ -755,11 +755,11 @@ void NACT_Sys2::cmd_y()
 			break;
 		case 40:
 		case 42:
-			ags->fade_in(param * 16 * 1000 / 60);
+			fade_in(param * 16 * 1000 / 60);
 			break;
 		case 41:
 		case 43:
-			ags->fade_out(param * 16 * 1000 / 60, cmd == 43);
+			fade_out(param * 16 * 1000 / 60, cmd == 43);
 			break;
 		case 221:
 		case 222:
diff --git a/src/sys/nact_sys3.cpp b/src/sys/nact_sys3.cpp
index 98e46d2..b26678b 100644
--- a/src/sys/nact_sys3.cpp
+++ b/src/sys/nact_sys3.cpp
@@ -794,11 +794,11 @@ void NACT_Sys3::exec_y(int cmd, int param)
 			break;
 		case 40:
 		case 42:
-			ags->fade_in(param * 16 * 1000 / 60);
+			fade_in(param * 16 * 1000 / 60);
 			break;
 		case 41:
 		case 43:
-			ags->fade_out(param * 16 * 1000 / 60, cmd == 43);
+			fade_out(param * 16 * 1000 / 60, cmd == 43);
 			break;
 		case 45:
 			if (param) {