Rudimentary font rasterisation at runtime with STB

src/include/Dengine/AssetManager.h

@@ -4,10 +4,13 @@
 #include "Dengine/Shader.h"
 #include "Dengine/Texture.h"
 
+#define MAX_TEXTURE_SIZE 1024
+
 enum TexList
 {
 	texlist_hero,
 	texlist_terrain,
+	texlist_font,
 	texlist_count,
 };
 
@@ -30,12 +33,19 @@ typedef struct TexAtlas
 
 } TexAtlas;
 
+typedef struct GlyphBitmap
+{
+	v2i dimensions;
+	u32 *pixels;
+} GlyphBitmap;
+
 // TODO(doyle): Switch to hash based lookup
 typedef struct AssetManager
 {
 	Texture textures[256];
 	TexAtlas texAtlas[256];
 	Shader shaders[256];
+	Texture font;
 } AssetManager;
 
 extern AssetManager assetManager;
@@ -52,4 +62,5 @@ const i32 asset_loadShaderFiles(const char *const vertexPath,
                                 const char *const fragmentPath,
                                 const enum ShaderList type);
 
+const i32 asset_loadTTFont(const char *filePath);
 #endif

src/include/Dengine/Common.h

@@ -3,6 +3,8 @@
 
 #include <stdint.h>
 
+#define WT_DEBUG
+
 typedef uint8_t u8;
 typedef uint32_t u32;
 typedef uint64_t u64;

src/include/Dengine/Math.h

@@ -9,6 +9,13 @@
 #define absolute(x) ((x) > 0 ? (x) : -(x))
 
 /* VECTORS */
+typedef union v2i
+{
+	struct { i32 x, y; };
+	struct { i32 w, h; };
+	i32 e[2];
+} v2i;
+
 typedef union v2
 {
 	struct { f32 x, y; };
@@ -30,6 +37,11 @@ typedef union v4
 	f32 e[4];
 } v4;
 
+INTERNAL inline v2i V2i(const i32 x, const i32 y)
+{
+	v2i result = {x, y};
+	return result;
+}
 INTERNAL inline v2 V2(const f32 x, const f32 y)
 {
 	v2 result = {x, y};
@@ -63,7 +75,7 @@ INTERNAL inline v4 V4(const f32 x, const f32 y, const f32 z, const f32 w)
 	This is repeated for v3 and v4 for the basic math operations
  */
 
-#define DEFINE_VECTOR_MATH(num) \
+#define DEFINE_VECTOR_FLOAT_MATH(num) \
 INTERNAL inline v##num v##num##_add(const v##num a, const v##num b) \
 { \
 	v##num result; \
@@ -109,9 +121,19 @@ INTERNAL inline b32 v##num##_equals(const v##num a, const v##num b) \
 	return result; \
 } \
 
-DEFINE_VECTOR_MATH(2);
-DEFINE_VECTOR_MATH(3);
-DEFINE_VECTOR_MATH(4);
+DEFINE_VECTOR_FLOAT_MATH(2);
+DEFINE_VECTOR_FLOAT_MATH(3);
+DEFINE_VECTOR_FLOAT_MATH(4);
+
+#define DEFINE_VECTOR_INT_MATH(num) \
+INTERNAL inline v##num##i v##num##i_add(const v##num##i a, const v##num##i b) \
+{ \
+	v##num##i result; \
+	for (i32 i = 0; i < ##num; i++) { result.e[i] = a.e[i] + b.e[i]; } \
+	return result; \
+} \
+
+DEFINE_VECTOR_INT_MATH(2);
 
 INTERNAL inline v3 v3_cross(const v3 a, const v3 b)
 {

src/include/Dengine/Platform.h

@@ -10,12 +10,12 @@ typedef struct
 {
 	void *buffer;
 	i32 size;
-} PlatformFileReadResult;
+} PlatformFileRead;
 
 i32 platform_readFileToBuffer(const char *const filePath,
-                              PlatformFileReadResult *file);
+                              PlatformFileRead *file);
 
-inline void platform_closeFileReadResult(PlatformFileReadResult *file)
+inline void platform_closeFileRead(PlatformFileRead *file)
 {
 	if (file->buffer)
 	{

src/include/Dengine/Texture.h

@@ -4,6 +4,9 @@
 #include "Dengine/Common.h"
 #include "Dengine/OpenGL.h"
 
+#define TARGET_TEXTURE_SIZE 1024
+#define TARGET_BYTES_PER_PIXEL 4
+
 typedef struct Texture
 {
 	// Holds the ID of the texture object, used for all texture operations to

src/include/WorldTraveller/WorldTraveller.h

@@ -1,9 +1,9 @@
 #ifndef WORLDTRAVELLER_GAME_H
 #define WORLDTRAVELLER_GAME_H
 
-#include <Dengine/Common.h>
-#include <Dengine/Entity.h>
-#include <Dengine/Renderer.h>
+#include "Dengine/Common.h"
+#include "Dengine/Entity.h"
+#include "Dengine/Renderer.h"
 
 #define NUM_KEYS 1024
 #define METERS_TO_PIXEL 100