From 1887ceff7f5a826a563ed5421b77db287734a3b0 Mon Sep 17 00:00:00 2001
From: kichikuou <KichikuouChrome@gmail.com>
Date: Sun, 4 Jun 2023 11:45:12 +0900
Subject: [PATCH] Fix sact_SP_TextNewLine when nTextSize is 0

Text sprites hold the height of the text drawn on them, and
sact_SP_TextNewLine increases the Y coordinate by this value if
nTextSize is 0.

The nTextSize argument of sact_SP_TextHome affects this value.

Beat Blades Haruka depends on this behavior.
---
 include/sprite.h |  1 +
 src/json.c       |  2 ++
 src/sprite.c     | 11 +++++++++--
 3 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/include/sprite.h b/include/sprite.h
index 0ea31b6..efe4236 100644
--- a/include/sprite.h
+++ b/include/sprite.h
@@ -54,6 +54,7 @@ struct sact_sprite {
 		Point pos;
 		int char_space;
 		int line_space;
+		int current_line_height;
 	} text;
 	// The sprite handle
 	int no;
diff --git a/src/json.c b/src/json.c
index 67425f9..d302ccb 100644
--- a/src/json.c
+++ b/src/json.c
@@ -193,6 +193,8 @@ cJSON *sprite_to_json(struct sact_sprite *sp, bool verbose)
 			cJSON_AddNumberToObject(text, "char_space", sp->text.char_space);
 		if (verbose || sp->text.line_space)
 			cJSON_AddNumberToObject(text, "line_space", sp->text.line_space);
+		if (verbose || sp->text.current_line_height)
+			cJSON_AddNumberToObject(text, "current_line_height", sp->text.current_line_height);
 	}
 	if (verbose || sp->plugin)
 		cJSON_AddItemToObjectCS(sprite, "plugin", draw_plugin_to_json(sp, verbose));
diff --git a/src/sprite.c b/src/sprite.c
index 87a00ad..7946242 100644
--- a/src/sprite.c
+++ b/src/sprite.c
@@ -365,6 +365,7 @@ void sprite_set_text_char_space(struct sact_sprite *sp, int px)
 void sprite_set_text_pos(struct sact_sprite *sp, int x, int y)
 {
 	sp->text.pos = (Point) { .x = x, .y = y };
+	sp->text.current_line_height = 0;
 	sprite_dirty(sp);
 }
 
@@ -382,6 +383,8 @@ void sprite_text_draw(struct sact_sprite *sp, struct string *text, struct text_s
 
 	ts->font_spacing = sp->text.char_space;
 	sp->text.pos.x += gfx_render_text(&sp->text.texture, sp->text.pos.x, sp->text.pos.y, text->text, ts);
+	if (sp->text.current_line_height < ts->size)
+		sp->text.current_line_height = ts->size;
 	sprite_dirty(sp);
 }
 
@@ -391,16 +394,19 @@ void sprite_text_clear(struct sact_sprite *sp)
 	sprite_dirty(sp);
 }
 
-void sprite_text_home(struct sact_sprite *sp, possibly_unused int size)
+void sprite_text_home(struct sact_sprite *sp, int size)
 {
-	// FIXME: do something with nTextSize
 	sp->text.pos = sp->text.home;
+	sp->text.current_line_height = size;
 	sprite_dirty(sp);
 }
 
 void sprite_text_new_line(struct sact_sprite *sp, int size)
 {
+	if (!size)
+		size = sp->text.current_line_height;
 	sp->text.pos = POINT(sp->text.home.x, sp->text.pos.y + size + sp->text.line_space);
+	sp->text.current_line_height = 0;
 	sprite_dirty(sp);
 }
 
@@ -417,6 +423,7 @@ void sprite_text_copy(struct sact_sprite *dsp, struct sact_sprite *ssp)
 	dsp->text.pos = ssp->text.pos;
 	dsp->text.char_space = ssp->text.char_space;
 	dsp->text.line_space = ssp->text.line_space;
+	dsp->text.current_line_height = ssp->text.current_line_height;
 	sprite_dirty(dsp);
 }