Implement DrawSimpleText HLL

Used in GALZOO Island.

src/ffi.c

@@ -294,6 +294,7 @@ extern struct static_library lib_DrawDungeon;
 extern struct static_library lib_DrawGraph;
 extern struct static_library lib_DrawMovie2;
 extern struct static_library lib_DrawPluginManager;
+extern struct static_library lib_DrawSimpleText;
 extern struct static_library lib_File;
 extern struct static_library lib_FileOperation;
 extern struct static_library lib_GoatGUIEngine;
@@ -341,6 +342,7 @@ static struct static_library *static_libraries[] = {
 	&lib_DrawGraph,
 	&lib_DrawMovie2,
 	&lib_DrawPluginManager,
+	&lib_DrawSimpleText,
 	&lib_File,
 	&lib_FileOperation,
 	&lib_GoatGUIEngine,

src/hll/DrawSimpleText.c

@@ -0,0 +1,87 @@
+/* Copyright (C) 2021 kichikuou <KichikuouChrome@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://gnu.org/licenses/>.
+ */
+
+#include "system4/string.h"
+
+#include "hll.h"
+#include "gfx/gfx.h"
+#include "sact.h"
+
+static int size = 20;
+static int weight = 1;  // in pixels
+static int pitch = 0;
+
+static bool DrawSimpleText_DrawToAlphaMap(int sp_no, int x, int y, struct string *s)
+{
+	struct sact_sprite *sp = sact_get_sprite(sp_no);
+	if (!sp)
+		return NULL;
+	sprite_dirty(sp);
+
+	int orig_weight = gfx_get_font_weight();
+	int orig_size = gfx_get_font_size();
+	int orig_space = gfx_get_font_space();
+	gfx_set_font_weight(weight <= 1 ? FW_NORMAL : FW_BOLD);
+	gfx_set_font_size(size);
+	gfx_set_font_space(pitch);
+
+	gfx_draw_text_to_amap(sprite_get_texture(sp), x, y, s->text);
+
+	gfx_set_font_weight(orig_weight);
+	gfx_set_font_size(orig_size);
+	gfx_set_font_space(orig_space);
+	return true;
+}
+
+static void DrawSimpleText_SetSize(int n)
+{
+	size = n;
+}
+
+static int DrawSimpleText_GetSize(void)
+{
+	return size;
+}
+
+static void DrawSimpleText_SetWeight(int n)
+{
+	weight = n;
+}
+
+static int DrawSimpleText_GetWeight(void)
+{
+	return weight;
+}
+
+static void DrawSimpleText_SetPitch(int n)
+{
+	pitch = n;
+}
+
+static int DrawSimpleText_GetPitch(void)
+{
+	return pitch;
+}
+
+HLL_LIBRARY(DrawSimpleText,
+	    HLL_EXPORT(DrawToAlphaMap, DrawSimpleText_DrawToAlphaMap),
+	    HLL_EXPORT(SetSize, DrawSimpleText_SetSize),
+	    HLL_EXPORT(GetSize, DrawSimpleText_GetSize),
+	    HLL_EXPORT(SetWeight, DrawSimpleText_SetWeight),
+	    HLL_EXPORT(GetWeight, DrawSimpleText_GetWeight),
+	    HLL_EXPORT(SetPitch, DrawSimpleText_SetPitch),
+	    HLL_EXPORT(GetPitch, DrawSimpleText_GetPitch)
+	    );

src/meson.build

@@ -47,6 +47,7 @@ xsystem4 = ['audio.c',
             'hll/DrawGraph.c',
             'hll/DrawMovie2.c',
             'hll/DrawPluginManager.c',
+            'hll/DrawSimpleText.c',
             'hll/File.c',
             'hll/FileOperation.c',
             'hll/GoatGUIEngine.c',