From 86c4c02743726edd01b9878f3640129815704390 Mon Sep 17 00:00:00 2001
From: quou <quou@disroot.org>
Date: Sun, 14 Jul 2024 00:18:56 +1000
Subject: Add a little font too

---
 3de.c    |  6 ++--
 render.c | 98 +++++++++++++++++++++++++++++++++++++++++++++++++---------------
 render.h | 14 ++++++++++
 3 files changed, 92 insertions(+), 26 deletions(-)

diff --git a/3de.c b/3de.c
index a1bd9bb..98ae884 100644
--- a/3de.c
+++ b/3de.c
@@ -80,11 +80,11 @@ int entrypoint(int argc, const char** argv, Arena* a) {
 				ren_clear(&r);
 				ren_cleard(&r, f1 * 300);
 				sprintf(buf, "FPS: %d", app->fps);
-				ren_text(&r, blue, 3, 3,  buf);
+				ren_texts(&r, blue, 3, 3,  buf);
 				sprintf(buf, "CAP: %d", f.fps);
-				ren_text(&r, blue, 3, 13, buf);
+				ren_texts(&r, blue, 3, 8,  buf);
 				sprintf(buf, "MOUSE: %d, %d", app->mx, app->my);
-				ren_text(&r, blue, 3, 23, buf);
+				ren_texts(&r, blue, 3, 13, buf);
 				draw_monkey(&r);
 			ren_end(&r);
 			app_end(app);
diff --git a/render.c b/render.c
index 710d2e1..e0061fa 100644
--- a/render.c
+++ b/render.c
@@ -66,6 +66,21 @@ static unsigned font_data[] = {
 	0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
 	0x0003c01e, 0x00000000, 0x00000000, 0x00000000, 0x00000000
 };
+static int smol_font_w = 384;
+static unsigned smol_font_data[] = {
+        0x2296a520, 0x40000524, 0x77757767, 0x60002077,
+        0x6773637e, 0x69b15475, 0x95576767, 0x02616755,
+        0x66640102, 0x00021421, 0x00020000, 0xf0326000,
+        0x2543e520, 0x20002242, 0x41152645, 0x92740277,
+        0x1135175d, 0x9bf13427, 0x95523595, 0x05422272,
+        0x72d66364, 0x73f25003, 0x95576677, 0xfa6233a9,
+        0x06267000, 0x20727542, 0x27674145, 0x44022045,
+        0x53151571, 0x9d915525, 0xf55243d7, 0x00422122,
+        0x47351550, 0x55d23425, 0xb5522277, 0xf5222266,
+        0x0b935020, 0x12022024, 0x277437e7, 0x42742277,
+        0x61736756, 0x69975775, 0xb27235e1, 0x70646725,
+        0x32666370, 0x75945625, 0xf2763241, 0xf0326639,
+};
 
 Colour make_colour(unsigned rgb, unsigned char a) {
 	Colour r;
@@ -181,6 +196,31 @@ void ren_point(Renderer* r, Colour c, int x, int y) {
 	r->t[x + y * r->w] = c;
 }
 
+#define imp_ren_char(chw, chh, fw, data) \
+	int i, j, k, l, ex, ey, s; \
+	Colour* dst; \
+	Rect re = { 0, 0, chw, chh }; \
+	Rect sub = { 0, 0, chh, chh }; \
+	re.x = x; \
+	re.y = y; \
+	sub.x = (ch - ' ') * chw; \
+	rect_clips(&re, &sub, &r->clip); \
+	ex = re.x + re.w; \
+	ey = re.y + re.h; \
+	dst = r->t + (re.x + re.y * r->w); \
+	s = r->w - re.w; \
+	for (j = re.y, l = sub.y; j < ey; j++, l++) { \
+		for (i = re.x, k = sub.x; i < ex; i++, k++) { \
+			int si = k + l * fw; \
+			unsigned bits = data[si >> 5]; \
+			int bit = bits & 1 << (si & 0x1f); \
+			if (bit) \
+				*dst = blend(*dst, c); \
+			dst++; \
+		} \
+		dst += s; \
+	}
+
 void ren_char(
 	Renderer* r,
 	Colour c,
@@ -188,31 +228,31 @@ void ren_char(
 	int y,
 	char ch
 ) {
-	int i, j, k, l, ex, ey, s;
-	Colour* dst;
-	Rect re = { 0, 0, 10, 10 };
-	Rect sub = { 0, 0, 10, 10 };
-	re.x = x;
-	re.y = y;
-	sub.x = (ch - ' ') * 10;
-	rect_clips(&re, &sub, &r->clip);
-	ex = re.x + re.w;
-	ey = re.y + re.h;
-	dst = r->t + (re.x + re.y * r->w);
-	s = r->w - re.w;
-	for (j = re.y, l = sub.y; j < ey; j++, l++) {
-		for (i = re.x, k = sub.x; i < ex; i++, k++) {
-			int si = k + l * font_w;
-			unsigned bits = font_data[si >> 5];
-			int bit = bits & 1 << (si & 0x1f);
-			if (bit)
-				*dst = blend(*dst, c);
-			dst++;
-		}
-		dst += s;
-	}
+	imp_ren_char(
+		10,
+		10,
+		font_w,
+		font_data
+	);
 }
 
+void ren_chars(
+	Renderer* r,
+	Colour c,
+	int x,
+	int y,
+	char ch
+) {
+	imp_ren_char(
+		4,
+		4,
+		smol_font_w,
+		smol_font_data
+	);
+}
+
+#undef imp_ren_char
+
 void ren_text(
 	Renderer* r,
 	Colour c,
@@ -225,6 +265,18 @@ void ren_text(
 		ren_char(r, c, x, y, *s);
 }
 
+void ren_texts(
+	Renderer* r,
+	Colour c,
+	int x,
+	int y,
+	const char* t
+) {
+	const char* s;
+	for (s = t; *s; s++, x += 5)
+		ren_chars(r, c, x, y, *s);
+}
+
 void swap_vert(int* a, int* b, int ec) {
 	int t, i;
 	for (i = 0; i < ec; i++) {
diff --git a/render.h b/render.h
index 91817d7..3c8938f 100644
--- a/render.h
+++ b/render.h
@@ -55,6 +55,13 @@ void ren_char(
 	int y,
 	char ch
 );
+void ren_chars(
+	Renderer* r,
+	Colour c,
+	int x,
+	int y,
+	char ch
+);
 void ren_text(
 	Renderer* r,
 	Colour c,
@@ -62,6 +69,13 @@ void ren_text(
 	int y,
 	const char* t
 );
+void ren_texts(
+	Renderer* r,
+	Colour c,
+	int x,
+	int y,
+	const char* t
+);
 /* Vertex format:
  * x y z u v r g b
  * All fixed point values with 9 bits of precision.
-- 
cgit v1.2.3-54-g00ecf