Added some basic font rendering and texas holdem

src/display/gui/font.c

@@ -0,0 +1,47 @@
+/**
+ * Copyright (c) 2021 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#include "font.h"
+
+tilesetdiv_t * fontGetCharacterDivision(tileset_t *tileset, char character) {
+  int32_t i = ((int32_t)character) - FONT_CHAR_START;
+  return tileset->divisions + i;
+}
+
+void fontSpriteBatchBuffer(spritebatch_t *batch, tileset_t *tileset,
+  char *string, float x, float y, float z, float charWidth, float charHeight
+) {
+  int32_t i;
+  char c;
+  tilesetdiv_t *div;
+  float cx, cy;
+
+  i = 0;
+  cx = x, cy = y;
+
+  while(true) {
+    c = string[i];
+    if(c == '\0') break;
+    i++;
+    
+    if(c == '\n') {
+      cx = x;
+      cy += charWidth;
+      continue;
+    } else if(c == ' ') {
+      cx += charHeight;
+      continue;
+    }
+
+    div = fontGetCharacterDivision(tileset, c);
+    spriteBatchQuad(batch, -1,
+      cx, cy, z, charWidth, charHeight,
+      div->x0, div->y0, div->x1, div->y1
+    );
+    cx += charWidth;
+  }
+}

src/display/gui/font.h

@@ -0,0 +1,17 @@
+/**
+ * Copyright (c) 2021 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include <dawn/dawn.h>
+#include "../spritebatch.h"
+
+#define FONT_CHAR_START 33
+
+tilesetdiv_t * fontGetCharacterDivision(tileset_t *tileset, char character);
+void fontSpriteBatchBuffer(spritebatch_t *batch, tileset_t *tileset,
+  char *string, float x, float y, float z, float charWidth, float charHeight
+);