partially done work on total source tree rework, separation of engine context and game context, generalization of renderer for different backends as well as web platform target

src/rendering/twn_text_c.h

@@ -0,0 +1,26 @@
+#include "twn_rendering_platform.h"
+
+#include <stb_truetype.h>
+
+
+#define ASCII_START 32
+#define ASCII_END 128
+#define NUM_DISPLAY_ASCII ((ASCII_END - ASCII_START) + 1)
+
+
+struct font_data {
+    stbtt_packedchar char_data[NUM_DISPLAY_ASCII];
+    stbtt_fontinfo info;
+
+    const char *file_path;
+    unsigned char *file_bytes;
+    size_t file_bytes_len;
+
+    gpu_texture texture;
+
+    int height_px;
+    float scale_factor;
+    int ascent;
+    int descent;
+    int line_gap;
+};