reorganize files, port stbtt to d, remove truetype

dlib/alloc.d

@@ -7,13 +7,9 @@ import dlib.util;
 
 import core.stdc.string;
 
-version(WebAssembly)
+static if(NativeTarget)
 {
-	import dlib.externdecl;
+	public import core.memory : malloc = pureMalloc, realloc = pureRealloc, free = pureFree;
-}
-else
-{
-	import core.memory : malloc = pureMalloc, realloc = pureRealloc, free = pureFree;
 }
 
 static Scratch g_scratch;
@@ -62,14 +58,14 @@ version(WebAssembly)
 {
 
 pragma(LDC_intrinsic, "llvm.wasm.memory.grow.i32")
-extern(C) size_t grow(size_t index, size_t size);
+extern(C) usize grow(usize index, usize size) nothrow @nogc;
 
 pragma(LDC_intrinsic, "llvm.wasm.memory.size.i32")
-extern(C) size_t size(size_t index);
+extern(C) usize size(usize index) nothrow @nogc;
 
 
 extern(C) u32
-WasmGrow(u32 size)
+WasmGrow(u32 size) nothrow @nogc
 {
 	return grow(0, size);
 }
@@ -81,7 +77,7 @@ WasmGrow2(u32 index, u32 size)
 }
 
 extern(C) u32
-WasmSize()
+WasmSize() nothrow @nogc
 {
 	return size(0);
 }
@@ -373,7 +369,7 @@ AllocAlign(Arena* arena, usize size, usize alignment)
 
 	usize mem_pos, current, offset;
 	ArenaPool* node = arena.first;
-	while (true)
+	while(true)
 	{
 		if(node == null)
 		{
@@ -403,7 +399,7 @@ void
 Reset(Arena* arena)
 {
 	ArenaPool* node = arena.first;
-	while (node != null)
+	while(node != null)
 	{
 		node.pos = 0;
 		node = node.next;
@@ -415,7 +411,7 @@ Free(Arena* arena)
 {
 	ArenaPool* node = arena.first;
 	ArenaPool* next;
-	while (node != null)
+	while(node != null)
 	{
 		next = node.next;
 		Free(node);
@@ -487,19 +483,457 @@ ScratchAlloc(T)(usize count, T set)
 	return arr;
 }
 
-version(DLIB_TEST) unittest
+version(DLIB_TEST)
 {
+	void WriteToArray(T)(T[] arr, T factor)
 	{
-		u64[5] arr = [1, 2, 3, 4, 5];
+		foreach(i; 0 .. arr.length)
-
+		{
-		u64[] copy = Alloc!(u64)(arr);
+			arr[i] = i*factor;
-
+		}
-		assert(arr == copy);
 	}
 
+	void AssertArrayValues(T)(T[] arr, T factor)
 	{
-		Arena a = CreateArena(64);
+		foreach(i; 0 .. arr.length)
+		{
+			assert(arr[i] == i*factor);
+		}
+	}
 
-		u64[] arr = Alloc!(u64)(&a, 128);
+	void DLibTestAlloc()
+	{
+		{
+			u64[5] arr0 = [1, 2, 3, 4, 5];
+
+			u64[] copy = Alloc!(u64)(arr0);
+
+			assert(arr0 == copy);
+
+			u64[] arr1 = Alloc!(u64)(64);
+
+			WriteToArray(arr1, 5);
+
+			assert(arr0 == copy);
+			AssertArrayValues(arr1,  5);
+		}
+
+		{
+			Arena a = CreateArena(64);
+
+			u64[] arr0 = Alloc!(u64)(&a, 128);
+			u64[] arr1 = Alloc!(u64)(&a, 256);
+
+			WriteToArray(arr0, 2);
+			WriteToArray(arr1, 3);
+			WriteToArray(arr0, 2);
+
+			AssertArrayValues(arr0, 2);
+			AssertArrayValues(arr1, 3);
+
+			Reset(&a);
+
+			arr0 = Alloc!(u64)(&a, 256);
+			arr1 = Alloc!(u64)(&a, 128);
+
+			WriteToArray(arr0, 4);
+			WriteToArray(arr1, 5);
+			WriteToArray(arr0, 4);
+
+			AssertArrayValues(arr0, 4);
+			AssertArrayValues(arr1, 5);
+		}
+	}
+
+	unittest
+	{
+		DLibTestAlloc();
 	}
 }
+
+version(WebAssembly) nothrow @nogc:
+
+struct MemBlock
+{
+	void*     addr;
+	MemBlock* next;
+	usize     size;
+}
+
+struct Heap
+{
+	MemBlock* free;
+	MemBlock* used;
+	MemBlock* fresh;
+	usize     top;
+}
+
+extern extern(C) u8 __heap_base;
+extern extern(C) u8 __data_end;
+
+__gshared Heap* heap;
+__gshared void* heap_limit;
+__gshared usize heap_split_thresh;
+__gshared usize heap_alignment;
+__gshared usize heap_max_blocks;
+__gshared usize current_pages;
+
+enum bool MALLOC_COMPACT = true;
+enum bool MALLOC_SPLIT   = true;
+
+usize WasmPageSize(usize x) => x*1024*64;
+
+/**
+ * If compaction is enabled, inserts block
+ * into free list, sorted by addr.
+ * If disabled, add block has new head of
+ * the free list.
+ */
+void 
+InsertBlock(MemBlock *block) 
+{
+	static if(MALLOC_COMPACT)
+	{
+		MemBlock *ptr  = heap.free;
+		MemBlock *prev = null;
+		while(ptr != null) 
+		{
+			if(cast(usize)block.addr <= cast(usize)ptr.addr) 
+			{
+				break;
+			}
+			prev = ptr;
+			ptr  = ptr.next;
+		}
+
+		if(prev != null) 
+		{
+			prev.next = block;
+		} 
+		else 
+		{
+			heap.free = block;
+		}
+		block.next = ptr;
+	}
+	else
+	{
+		block.next = heap.free;
+		heap.free  = block;
+	}
+}
+
+void 
+ReleaseBlocks(MemBlock *scan, MemBlock *to) 
+{
+	MemBlock *scan_next;
+	while(scan != to) 
+	{
+		scan_next  = scan.next;
+		scan.next  = heap.fresh;
+		heap.fresh = scan;
+		scan.addr  = null;
+		scan.size  = 0;
+		scan       = scan_next;
+	}
+}
+
+void 
+Compact() 
+{
+	MemBlock *ptr = heap.free;
+	MemBlock *prev;
+	MemBlock *scan;
+	while(ptr != null) 
+	{
+		prev = ptr;
+		scan = ptr.next;
+
+		while(scan != null && cast(usize)prev.addr + prev.size == cast(usize)scan.addr) 
+		{
+			prev = scan;
+			scan = scan.next;
+		}
+
+		if(prev != ptr) 
+		{
+			usize new_size = cast(usize)prev.addr - cast(usize)ptr.addr + prev.size;
+			ptr.size   = new_size;
+			MemBlock *next = prev.next;
+			// make merged blocks available
+			ReleaseBlocks(ptr.next, prev.next);
+			// relink
+			ptr.next = next;
+		}
+
+		ptr = ptr.next;
+	}
+}
+
+void 
+MallocInit(const usize heap_blocks, const usize split_thresh, const usize alignment) 
+{
+	current_pages = WasmSize();
+	void* limit   = cast(void *)WasmPageSize(current_pages);
+
+	heap              = cast(Heap *)&__heap_base;
+	heap_limit        = limit;
+	heap_split_thresh = split_thresh;
+	heap_alignment    = alignment;
+	heap_max_blocks   = heap_blocks;
+
+	heap.free   = null;
+	heap.used   = null;
+	heap.fresh  = cast(MemBlock*)(heap + 1);
+	heap.top    = cast(usize)(heap.fresh + heap_blocks);
+
+	MemBlock *block = heap.fresh;
+	usize     i     = heap_max_blocks - 1;
+	while(i--) 
+	{
+		block.next = block + 1;
+		block++;
+	}
+
+	block.next = null;
+}
+
+void 
+free(void *ptr) 
+{
+	MemBlock *block = heap.used;
+	MemBlock *prev  = null;
+	while(block != null) 
+	{
+		if(ptr == block.addr) 
+		{
+			if(prev) 
+			{
+				prev.next = block.next;
+			} 
+			else 
+			{
+				heap.used = block.next;
+			}
+			InsertBlock(block);
+
+			static if(MALLOC_COMPACT)
+			{
+				Compact();
+			}
+		}
+		prev  = block;
+		block = block.next;
+	}
+}
+
+usize
+PtrInfo(void *ptr)
+{
+	usize result = 0;
+
+	MemBlock *block = heap.used;
+	while(block != null)
+	{
+		if(ptr == block.addr)
+		{
+			result = block.size;
+			break;
+		}
+	}
+
+	return result;
+}
+
+MemBlock*
+AllocBlock(usize num) 
+{
+	MemBlock *ptr  = heap.free;
+	MemBlock *prev = null;
+	usize top  = heap.top;
+	num         = (num + heap_alignment - 1) & -heap_alignment;
+	while(ptr != null) 
+	{
+		const i32 is_top = (cast(usize)ptr.addr + ptr.size >= top) && (cast(usize)ptr.addr + num <= cast(usize)heap_limit);
+		if(is_top || ptr.size >= num) 
+		{
+			if(prev != null) 
+			{
+				prev.next = ptr.next;
+			} 
+			else 
+			{
+				heap.free = ptr.next;
+			}
+			ptr.next  = heap.used;
+			heap.used = ptr;
+
+			static if(!MALLOC_SPLIT)
+			{
+				if(is_top) 
+				{
+					ptr.size = num;
+					heap.top = cast(usize)ptr.addr + num;
+					static if(MALLOC_COMPACT)
+					{
+						Compact();
+					}
+				}
+			}
+			else
+			{
+				if(is_top) 
+				{
+					ptr.size = num;
+					heap.top = cast(usize)ptr.addr + num;
+				} 
+				else if(heap.fresh != null) 
+				{
+					usize excess = ptr.size - num;
+					if(excess >= heap_split_thresh) 
+					{
+						ptr.size        = num;
+						MemBlock *split = heap.fresh;
+						heap.fresh      = split.next;
+						split.addr      = cast(void *)(cast(usize)ptr.addr + num);
+						split.size      = excess;
+						InsertBlock(split);
+						static if(MALLOC_COMPACT)
+						{
+							Compact();
+						}
+					}
+				}
+			}
+
+			return ptr;
+		}
+
+		prev = ptr;
+		ptr  = ptr.next;
+	}
+
+	// no matching free blocks
+	// see if any other blocks available
+	usize new_top = top + num;
+	if(heap.fresh != null && new_top <= cast(usize)heap_limit) 
+	{
+		ptr         = heap.fresh;
+		heap.fresh = ptr.next;
+		ptr.addr   = cast(void *)top;
+		ptr.next   = heap.used;
+		ptr.size   = num;
+		heap.used  = ptr;
+		heap.top   = new_top;
+
+		return ptr;
+	}
+
+	return null;
+}
+
+usize
+BytesToPages(usize count)
+{
+	usize pages = count/(1024*64);
+	return pages > 0 ? pages : 1;
+}
+
+void*
+malloc(usize num)
+{
+	MemBlock *block = AllocBlock(num);
+
+	if(block == null)
+	{
+		WasmGrow(BytesToPages(num));
+		usize new_pages = WasmSize();
+		usize page_diff = new_pages - current_pages;
+		if(page_diff > 0)
+		{
+			current_pages = new_pages;
+			heap_limit    = cast(void*)WasmPageSize(current_pages);
+
+			block = AllocBlock(num);
+		}
+	}
+
+	return block != null ? block.addr : null;
+}
+
+void 
+MemClear(void *ptr, usize num) 
+{
+	usize *ptrw = cast(usize*)ptr;
+	usize numw  = (num & -usize.sizeof) / usize.sizeof;
+	while(numw--) 
+	{
+		*ptrw++ = 0;
+	}
+	num     &= (usize.sizeof - 1);
+	u8* ptrb = cast(u8*)ptrw;
+	while(num--) 
+	{
+		*ptrb++ = 0;
+	}
+}
+
+void*
+calloc(usize num, usize size) 
+{
+	num *= size;
+	MemBlock *block = AllocBlock(num);
+
+	{
+		MemClear(block.addr, num);
+		return block.addr;
+	}
+
+	return null;
+}
+
+void*
+realloc(void *ptr, usize size)
+{
+	void  *new_ptr  = malloc(size);
+	usize prev_size = PtrInfo(ptr);
+
+	memcpy(new_ptr, ptr, prev_size);
+
+	free(ptr);
+
+	return new_ptr;
+}
+
+usize 
+CountBlocks(MemBlock *ptr) 
+{
+	usize num = 0;
+	while(ptr != null) 
+	{
+		num++;
+		ptr = ptr.next;
+	}
+	return num;
+}
+
+usize MallocFreeCount() 
+{
+	return CountBlocks(heap.free);
+}
+
+usize MallocUsedCount() 
+{
+	return CountBlocks(heap.used);
+}
+
+usize MallocMallocFreshCount() 
+{
+	return CountBlocks(heap.fresh);
+}
+
+bool MallocCheck() 
+{
+	return heap_max_blocks == MallocFreeCount() + MallocUsedCount() + MallocMallocFreshCount();
+}
+

dlib/dlibincludes.c

@@ -27,7 +27,7 @@
 #endif
 
 #ifndef NO_STBI
-# include "../external/stb/stb_truetype.h"
+// # include "../external/stb/stb_truetype.h"
 #endif
 
 #ifdef DLIB_INCLUDE_VULKAN

dlib/externdecl.d

@@ -2,53 +2,12 @@ module dlib.externdecl;
 
 import dlib.aliases;
 
-enum stbtt_curvetype : u8
+import stb_truetype;
-{
-	none,
-	vmove,
-	vline,
-	vcurve,
-	vcubic,
-}
-
-alias stbtt_vertex_type = short;
-
-struct stbtt__buf
-{
-	u8* data;
-	i32 cursor;
-	i32 size;
-}
-
-struct stbtt_vertex
-{
-	stbtt_vertex_type x, y, cx, cy, cx1, cy1;
-	stbtt_curvetype   type;
-  u8	              padding;
-}
-
-struct stbtt_fontinfo
-{
-	void* userdata;
-	u8*   data;
-	i32   fontstart;
-
-	i32   numGlyphs;
-
-	i32 loca, head, glyf, hhea, hmtx, kern, gpos, svg;
-	i32 index_map;
-	i32 indexToLocFormat;
-
-	stbtt__buf cff;
-	stbtt__buf charstrings;
-	stbtt__buf gsubrs;
-	stbtt__buf subrs;
-	stbtt__buf fontdicts;
-	stbtt__buf fdselect;
-}
 
 @nogc extern(C):
 
+/*
+static if(NativeTarget):
 // stb_truetype
 
 i32
@@ -78,24 +37,4 @@ stbtt_GetGlyphBox(const stbtt_fontinfo* info, i32 glyph_index, i32* x0, i32* y0,
 i32
 stbtt_GetFontOffsetForIndex(const(u8*) data, i32 index);
 
-// tinyalloc
+*/
-
-version(WebAssembly)
-{
-	void
-	ta_init(const usize heap_blocks, const usize split_thresh, const usize alignment);
-
-	void*
-	malloc(usize size) nothrow @nogc;
-
-	void*
-	calloc(usize size, usize count);
-
-	void
-	free(void *ptr);
-
-	void*
-	realloc(void *ptr, usize size);
-}
-
-

dlib/fonts.d

@@ -1,18 +1,19 @@
 module dlib.fonts;
 
-static if(NativeTarget)
-{
-	import dlibincludes : FT_Library, FT_Face, FT_Error, FT_Bitmap, FT_GlyphSlot, FT_Int32, FT_ULong, FT_Long,
-				                FT_Set_Pixel_Sizes, FT_Load_Char, FT_Done_Face, FT_New_Memory_Face, FT_Done_FreeType, FT_Init_FreeType,
-												FT_LOAD_RENDER, FT_PIXEL_MODE_GRAY, FT_PIXEL_MODE_MONO, FT_PIXEL_MODE_BGRA;
-}
-
 import dlib.externdecl;
 import dlib.aliases;
 import dlib.util;
 import dlib.alloc;
 import dlib.math;
 
+import core.math : fabs;
+
+import std.traits;
+
+import stb_truetype;
+
+alias FontFace = stbtt_fontinfo;
+
 const u32 FONT_MAX_BANDS = 8;
 const u32 FONT_TEX_WIDTH = 4096;
 
@@ -141,68 +142,196 @@ struct SlugBuffer
 struct FontAtlas
 {
 	Glyph[128]  glyphs;
-	u8[]        data;
+	f32         ascent      = 0.0; // All unscaled
-	u32         size;
+	f32         descent     = 0.0;
-	UVec2       dimensions;
+	f32         line_gap    = 0.0;
-	f32         ascent;
+	f32         line_height = 0.0;
-	f32         descent;
+	f32         max_advance = 0.0;
-	f32         line_gap;
+}
-	f32         line_height;
+
-	f32         max_advance;
+struct GlyphBounds
+{
+	f32 left = 0.0, bottom = 0.0, right = 0.0, top = 0.0;
 }
 
 struct Glyph
 {
-	dchar ch;
+	dchar       ch;
-	f32		advance;
+	f32		      advance;
-	f32		plane_left;
+	GlyphBounds plane;
-	f32		plane_bottom;
+	GlyphBounds atlas;
-	f32 	plane_right;
-	f32 	plane_top;
-	f32		atlas_left;
-	f32 	atlas_bottom;
-	f32		atlas_right;
-	f32		atlas_top;
 }
 
-static if(NativeTarget)
+enum MSDFType
 {
+	None,
+	HardMask,
+	SoftMask,
+	SDF,
+	PSDF,
+	MSDF,
+	MTSDF,
+}
 
-__gshared FT_Library FT_LIB;
+enum MSDFYOrigin
-alias     FontFace = FT_Face;
-
-void
-CloseFreeType()
 {
-	if(FT_LIB)
+	None,
+	Left,
+	Bottom,
+	Right,
+	Top,
+}
+
+struct MSDFInfo
+{
+	MSDFGlyph[] glyphs;
+	MSDFType    type;
+	Vec2        aem_range;
+	u32         distance_field_range;
+	u32         distance_field_range_middle;
+	f32         pixels_per_em;
+	u32         texture_width;
+	u32         texture_height;
+	MSDFYOrigin y_origin;
+	f32         line_height;         // EM
+	f32         ascender;            // EM
+	f32         descender;           // EM
+	f32         underline_y;         // EM
+	f32         underline_thickness; // EM
+}
+
+struct MSDFGlyph
+{
+	dchar       glyph;
+	f32         advance = 0.0;
+	GlyphBounds plane; // EM
+	GlyphBounds atlas; // Pixels
+}
+
+static MSDFInfo
+GenerateMSDF(string file_path)()
+{
+	import std.json;
+
+	string msdf_json = import(file_path);
+	
+	JSONValue jsonv = parseJSON(msdf_json);
+
+	static T GetJSONValue(T)(JSONValue jsonv, string name)
 	{
-		FT_Done_FreeType(FT_LIB);
+		T result = Select!(is(T == string), null, cast(T)0);
+
+		if(const(JSONValue)* value = name in jsonv)
+		{
+			switch(value.type())
+			{
+				static if(is(T == u32) || is(T == u64) || is(T == f32))
+				{
+					case JSONType.float_:   result = cast(T)value.floating; break;
+					case JSONType.uinteger: result = cast(T)value.uinteger; break;
+					case JSONType.integer:  result = cast(T)value.integer;  break;
+				}
+				static if(is(T == string))
+				{
+					case JSONType.string: result = cast(T)value.str; break;
+				}
+				default: assert(false, "Unable to retrieve value");
+			}
+		}
+
+		return result;
 	}
+
+	MSDFInfo result = {
+		distance_field_range:        GetJSONValue!(u32)(jsonv["atlas"],   "distanceRange"),
+		distance_field_range_middle: GetJSONValue!(u32)(jsonv["atlas"],   "distanceRangeMiddle"),
+		pixels_per_em:               GetJSONValue!(f32)(jsonv["atlas"],   "size"),
+		texture_width:               GetJSONValue!(u32)(jsonv["atlas"],   "width"),
+		texture_height:              GetJSONValue!(u32)(jsonv["atlas"],   "height"),
+		line_height:                 GetJSONValue!(f32)(jsonv["metrics"], "lineHeight"),
+		ascender:                    GetJSONValue!(f32)(jsonv["metrics"], "ascender"),
+		descender:                   GetJSONValue!(f32)(jsonv["metrics"], "descender"),
+		underline_y:                 GetJSONValue!(f32)(jsonv["metrics"], "underlineY"),
+		underline_thickness:         GetJSONValue!(f32)(jsonv["metrics"], "underlineThickness"),
+	};
+
+	result.aem_range = Vec2(
+		(result.distance_field_range_middle - result.distance_field_range/2) / result.pixels_per_em,
+		(result.distance_field_range_middle + result.distance_field_range/2) / result.pixels_per_em
+	);
+
+	string type_string     = GetJSONValue!(string)(jsonv["atlas"], "type");
+	string y_origin_string = GetJSONValue!(string)(jsonv["atlas"], "yOrigin");
+
+	assert(type_string.length);
+	assert(y_origin_string.length);
+
+	final switch(type_string) with(MSDFType)
+	{
+		case "hardmask": result.type = HardMask; break;
+		case "softmask": result.type = SoftMask; break;
+		case "sdf":      result.type = SDF;      break;
+		case "psdf":     result.type = PSDF;     break;
+		case "msdf":     result.type = MSDF;     break;
+		case "mtsdf":    result.type = MTSDF;    break;	 
+	}
+
+	final switch(y_origin_string) with(MSDFYOrigin)
+	{
+		case "top":    result.y_origin = Top;    break;
+		case "left":   result.y_origin = Left;   break;
+		case "right":  result.y_origin = Right;  break;
+		case "bottom": result.y_origin = Bottom; break;
+	}
+
+	MSDFGlyph[] glyphs = new MSDFGlyph[128];
+
+	JSONValue[] glyph_json = jsonv["glyphs"].array;
+
+	foreach(i; 0 .. glyph_json.length)
+	{
+		u64 ch          = cast(u64)glyph_json[i]["unicode"].integer;
+		MSDFGlyph glyph = { glyph: cast(dchar)ch };
+		glyph.advance = GetJSONValue!(f32)(glyph_json[i], "advance");
+		if("planeBounds" in glyph_json[i])
+		{
+			glyph.plane.left   = GetJSONValue!(f32)(glyph_json[i]["planeBounds"], "left");
+			glyph.plane.right  = GetJSONValue!(f32)(glyph_json[i]["planeBounds"], "right");
+			glyph.plane.bottom = GetJSONValue!(f32)(glyph_json[i]["planeBounds"], "bottom");
+			glyph.plane.top    = GetJSONValue!(f32)(glyph_json[i]["planeBounds"], "top");
+
+			glyph.atlas.left   = GetJSONValue!(f32)(glyph_json[i]["atlasBounds"], "left");
+			glyph.atlas.right  = GetJSONValue!(f32)(glyph_json[i]["atlasBounds"], "right");
+			glyph.atlas.bottom = GetJSONValue!(f32)(glyph_json[i]["atlasBounds"], "bottom");
+			glyph.atlas.top    = GetJSONValue!(f32)(glyph_json[i]["atlasBounds"], "top");
+		}
+
+		glyphs[ch] = glyph;
+	}
+
+	foreach(i; 0 .. glyphs.length)
+	{
+		if(glyphs[i].glyph == 0xFFFF)
+		{
+			glyphs[i].glyph = 0;
+			glyphs[i].plane = GlyphBounds(left: 0.0, right: 0.0, top: 0.0, bottom: 0.0);
+			glyphs[i].atlas = GlyphBounds(left: 0.0, right: 0.0, top: 0.0, bottom: 0.0);
+		}
+	}
+
+	result.glyphs = glyphs;
+
+	return result;
 }
 
 FontFace
 OpenFont(u8[] data)
 {
 	FontFace font;
-	FT_New_Memory_Face(FT_LIB, data.ptr, cast(FT_Long)data.length, 0, &font);
+	stbtt_InitFont(&font, data.ptr, stbtt_GetFontOffsetForIndex(data.ptr, 0));
 	return font;
 }
 
-void
-CloseFont(FontFace font)
-{
-	if(font != null)
-	{
-		FT_Done_Face(font);
-	}
-}
-
-i32
-Float26(f32 f)
-{
-	return cast(i32)round(cast(f32)(1 << 6) * f);
-}
-
 u8
 DeMultiply(u8 color, u8 alpha)
 {
@@ -217,180 +346,59 @@ TextSize(f32 s)
 }
 
 FontAtlas
-CreateAtlas(Arena* arena, FontFace font, u32 size, UVec2 atlas_dim)
+PopulateAtlasGlyphInfo(Arena* arena, FontFace* font, MSDFInfo* msdf_info)
 {
-	FontAtlas atlas = {
+	FontAtlas atlas;
-		data:       Alloc!(u8)(arena, atlas_dim.x * atlas_dim.y * 4),
-		size:       size,
-		dimensions: atlas_dim,
-	};
 
 	// TODO: proper packing algorithm
 	if(font != null)
 	{
-		FT_Set_Pixel_Sizes(font, 0, TextSize(size));
+		i32 ascent, descent, line_gap;
+		stbtt_GetFontVMetrics(font, &ascent, &descent, &line_gap);
 
-		i64 bbox_ymax = font.bbox.yMax >> 6;
+		i32 max_advance;
-		i64 bbox_ymin = font.bbox.yMin >> 6;
+		foreach(i32 ch; 0 .. 128)
-
-		u64 baseline    = font.size.metrics.ascender >> 6;
-		u64 line_height = (font.size.metrics.height >> 6)+1;
-
-		atlas.line_height = line_height;
-		atlas.max_advance = font.size.metrics.max_advance >> 6;
-
-		u32 max_w, max_h, count;
-
-		i32 font_size = Float26(size);
-
-		const u32 PADDING = 2;
-		foreach(FT_ULong char_code; 0 .. 0x7F)
 		{
-			FT_Error res = FT_Load_Char(font, char_code, cast(FT_Int32)FT_LOAD_RENDER);
+			i32 glyph_index = stbtt_FindGlyphIndex(font, ch);
-			if(res != 0)
+			if(glyph_index)
 			{
-				continue;
+				i32 advance, x0, y0, x1, y1;
-			}
+				stbtt_GetGlyphHMetrics(font, glyph_index, &advance, null);
+				stbtt_GetGlyphBox(font, glyph_index, &x0, &y0, &x1, &y1);
 
-			u32 bmp_w = font.glyph.bitmap.width;
+				max_advance = max_advance < advance ? advance : max_advance;
-			u32 bmp_h = font.glyph.bitmap.rows;
-			if(max_w + bmp_w > atlas_dim.x)
-			{
-				max_h += line_height+PADDING;
-				max_w  = 0;
-			}
 
-			if(max_h > atlas_dim.y)
+				MSDFGlyph* msdfg;
-			{
+				foreach(j; 0 .. msdf_info.glyphs.length)
-				Logf("Unable to pack atlas within dimensions provided");
+				{
-				assert(false);
+					if(msdf_info.glyphs[j].glyph == ch)
+					{
+						msdfg = msdf_info.glyphs.ptr + j;
+						break;
+					}	
+				}
+
+				Glyph* g = atlas.glyphs.ptr + ch;
+
+				g.atlas = msdfg.atlas;
+				
+				g.plane.left   = cast(f32)x0;
+				g.plane.top    = cast(f32)y0;
+				g.plane.right  = cast(f32)x1;
+				g.plane.bottom = cast(f32)y1;
 			}
-			
-			max_w    += bmp_w;
-			count    += 1;
 		}
 
-		max_w = max_h = count = 0;
+		atlas.ascent      = cast(f32)ascent;
-
+		atlas.descent     = cast(f32)descent;
-		foreach(FT_ULong char_code; 0 .. 0x7F)
+		atlas.line_height = cast(f32)(ascent - descent); // Maybe add line gap?
-		{
+		atlas.line_gap    = cast(f32)line_gap;
-			FT_Error res = FT_Load_Char(font, char_code, cast(FT_Int32)FT_LOAD_RENDER);
+		atlas.max_advance = cast(f32)max_advance;
-			if(res != 0)
-			{
-				continue;
-			}
-
-			FT_GlyphSlot glyph = font.glyph;
-			FT_Bitmap*   bmp   = &font.glyph.bitmap;
-
-			if(max_w + bmp.rows > atlas_dim.x)
-			{
-				max_h += line_height+PADDING;
-				max_w  = PADDING;
-			}
-
-			i64 base = Max(baseline, font.glyph.bitmap_top);
-
-			switch(bmp.pixel_mode)
-			{
-				case FT_PIXEL_MODE_BGRA:
-					{
-						u64 x, y;
-						foreach(r; 0 .. bmp.rows)
-						{
-							y = (base - font.glyph.bitmap_top + r) + max_h;
-							foreach(c; 0 .. bmp.width)
-							{
-								x = max_w + c;
-								u64 offset = (y*atlas_dim.y + x) * 4;
-
-								u8 p_b = bmp.buffer[offset+0];
-								u8 p_g = bmp.buffer[offset+1];
-								u8 p_r = bmp.buffer[offset+2];
-								u8 p_a = bmp.buffer[offset+3];
-
-								atlas.data[offset .. offset+4] = [DeMultiply(p_r, p_a), DeMultiply(p_b, p_a), DeMultiply(p_g, p_a), p_a];
-							}
-						}
-					} break;
-				case FT_PIXEL_MODE_MONO:
-					{
-						u32 pitch = bmp.pitch;
-						u8* buf   = bmp.buffer;
-					 	u64 x, y;
-						foreach(r; 0 .. bmp.rows)
-						{
-							u8 bits = 0;
-							u8* buf_ptr = buf;
-							y = (base - font.glyph.bitmap_top + r) + max_h;
-							foreach(c; 0 .. bmp.width)
-							{
-								if((c & 7) == 0)
-								{
-									bits = *buf_ptr;
-									buf_ptr += 1;
-								}
-
-								x = max_w + c;
-								u64 offset = (y*atlas_dim.y + x) * 4;
-
-								atlas.data[offset .. offset+4] = [255, 255, 255, bits & 0x80 ? 255 : 0];
-								bits <<= 1;
-							}
-
-							buf += pitch;
-						}
-					} break;
-				case FT_PIXEL_MODE_GRAY:
-					{
-						u64 x, y;
-						foreach(r; 0 .. bmp.rows)
-						{
-							y = (base - font.glyph.bitmap_top + r) + max_h;
-							foreach(c; 0 .. bmp.width)
-							{
-								x = max_w + c;
-								u64 offset = (y*atlas_dim.y + x) * 4;
-
-								atlas.data[offset .. offset+4] = [255, 255, 255, bmp.buffer[r*bmp.pitch + c]];
-							}
-						}
-					} break;
-				default:
-					assert(false, "Unknown pixel_mode value");
-					break;
-			}
-
-			Glyph* g = atlas.glyphs.ptr + char_code;
-
-			f32 height = glyph.metrics.height >> 6;
-			f32 width  = glyph.metrics.width  >> 6;
-			f32 top    = font.glyph.bitmap_top;
-			f32 left   = font.glyph.bitmap_left;
-
-			g.ch           = cast(dchar)char_code;
-			g.advance      = cast(f32)(glyph.advance.x >> 6);
-			g.plane_left   = left;
-			g.plane_right  = g.plane_left + bmp.width;
-			g.plane_top    = 0.0;
-			g.plane_bottom = line_height;
-
-			g.atlas_top    = max_h;
-			g.atlas_left   = max_w;
-			g.atlas_bottom = max_h + line_height;
-			g.atlas_right  = max_w + bmp.width;
-
-			max_w += bmp.width + PADDING;
-
-			count += 1;
-		}
 	}
 
 	return atlas;
 }
 
-}
-
 void
 BuildFontGlyph(Arena* arena, u32 index, u32 glyph_index, SlugFontInfo* font_info, u32* curve_index, stbtt_fontinfo* stb_font_info)
 {
@@ -424,7 +432,7 @@ BuildFontGlyph(Arena* arena, u32 index, u32 glyph_index, SlugFontInfo* font_info
 						f32 dx = x-cx;
 						f32 dy = y-cy;
 
-						if(Abs(dx) < 0.1 && Abs(dy) < 0.1)
+						if(fabs(dx) < 0.1 && fabs(dy) < 0.1)
 						{
 							cx = x;
 							cy = y;

dlib/math.d

@@ -947,9 +947,7 @@ align(16) struct Matrix(T, int D)
 
 	template IsMatrixInstantiation(U)
 	{
-		static void IsMatrix(T, int D)(Matrix!(T, D) x) {}
+		enum bool IsMatrixInstantiation = isInstanceOf!(Matrix, U);
-		
-		enum bool IsMatrixInstantiation = is(typeof(IsMatrix(U.init)));
 	}
 }
 
@@ -1556,262 +1554,270 @@ Clamp(T)(T value, T min, T max) if(IsVector!(T))
 	return value;
 }
 
-version(DLIB_TEST) unittest
+version(DLIB_TEST)
 {
-	enum FLOAT_MAX = f32.max;
+	void DLibTestMath()
-	enum FLOAT_MIN = -f32.max;
-
-	/*
-
-	void PrintMatrix(Mat4 mat)
 	{
-		foreach(i; 0 .. mat.N)
+		enum FLOAT_MAX = f32.max;
+		enum FLOAT_MIN = -f32.max;
+
+		/*
+
+		void PrintMatrix(Mat4 mat)
 		{
-			if(i % 4 == 0)
+			foreach(i; 0 .. mat.N)
 			{
-				printf("\n");
+				if(i % 4 == 0)
-			}
-			printf("%.08f ", mat.v[i]);
-		}
-		printf("\n");
-	}
-
-	srand(cast(u32)time(null));
-
-	f32 RandomFloat()
-	{
-		return cast(f32)(rand())/cast(f32)(RAND_MAX + 1.0);	
-	}
-
-	{ // Vec2 arithmetic
-		Vec2 v1 = Vec2(5.0, 10.0);
-		Vec2 v2 = Vec2(2.5, 5.0);
-
-		Vec2 result = v1 * v2;
-
-		assert(result == Vec2(12.5, 50.0), "Vec2 mul failure");
-
-		result = v1 + v2;
-
-		assert(result == Vec2(7.5, 15.0), "Vec2 add failure");
-
-		result = v1 - v2;
-
-		assert(result == Vec2(2.5, 5.0), "Vec2 sub failure");
-
-		result = v1 / v2;
-
-		assert(result == Vec2(2.0), "Vec2 div failure");
-	}
-
-	{ // Vec3 Arithmetic
-		Vec3 v1 = Vec3(5.0, 10.0, 15.0);
-		Vec3 v2 = Vec3(2.5, 5.0, 7.5);
-
-		Vec3 result = v1 * v2;
-
-		assert(result == Vec3(12.5, 50.0, 112.5), "Vec3 mul failure");
-
-		result = v1 + v2;
-
-		assert(result == Vec3(7.5, 15.0, 22.5), "Vec3 add failure");
-
-		result = v1 - v2;
-
-		assert(result == Vec3(2.5, 5.0, 7.5), "Vec3 sub failure");
-
-		result = v1 / v2;
-
-		assert(result == Vec3(2.0), "Vec3 div failure");
-	}
-
-	{ // Vec3 Arithmetic
-		Vec4 v1 = Vec4(5.0, 10.0, 15.0, 20.0);
-		Vec4 v2 = Vec4(2.5, 5.0, 7.5, 10.0);
-
-		Vec4 result = v1 * v2;
-
-		assert(result == Vec4(12.5, 50.0, 112.5, 200.0), "Vec4 mul failure");
-
-		result = v1 + v2;
-
-		assert(result == Vec4(7.5, 15.0, 22.5, 30.0), "Vec4 add failure");
-
-		result = v1 - v2;
-
-		assert(result == Vec4(2.5, 5.0, 7.5, 10.0), "Vec4 sub failure");
-
-		result = v1 / v2;
-
-		assert(result == Vec4(2.0), "Vec4 div failure");
-	}
-
-	{ // Mat4 Arithmetic
-		Mat4 m1 = RandomMat4();
-		Mat4 m2 = RandomMat4();
-		Mat4 m3 = m1 * m2;
-		Mat4 m4;
-		
-		MatZero(&m4);
-
-		for(u32 i = 0; i < 4; i += 1)
-		{
-			for(u32 j = 0; j < 4; j += 1)
-			{
-				for(u32 k = 0; k < 4; k += 1)
 				{
-					m4.rows[i][j] += m1.rows[k][j] * m2.rows[i][k];
+					printf("\n");
+				}
+				printf("%.08f ", mat.v[i]);
+			}
+			printf("\n");
+		}
+
+		srand(cast(u32)time(null));
+
+		f32 RandomFloat()
+		{
+			return cast(f32)(rand())/cast(f32)(RAND_MAX + 1.0);	
+		}
+
+		{ // Vec2 arithmetic
+			Vec2 v1 = Vec2(5.0, 10.0);
+			Vec2 v2 = Vec2(2.5, 5.0);
+
+			Vec2 result = v1 * v2;
+
+			assert(result == Vec2(12.5, 50.0), "Vec2 mul failure");
+
+			result = v1 + v2;
+
+			assert(result == Vec2(7.5, 15.0), "Vec2 add failure");
+
+			result = v1 - v2;
+
+			assert(result == Vec2(2.5, 5.0), "Vec2 sub failure");
+
+			result = v1 / v2;
+
+			assert(result == Vec2(2.0), "Vec2 div failure");
+		}
+
+		{ // Vec3 Arithmetic
+			Vec3 v1 = Vec3(5.0, 10.0, 15.0);
+			Vec3 v2 = Vec3(2.5, 5.0, 7.5);
+
+			Vec3 result = v1 * v2;
+
+			assert(result == Vec3(12.5, 50.0, 112.5), "Vec3 mul failure");
+
+			result = v1 + v2;
+
+			assert(result == Vec3(7.5, 15.0, 22.5), "Vec3 add failure");
+
+			result = v1 - v2;
+
+			assert(result == Vec3(2.5, 5.0, 7.5), "Vec3 sub failure");
+
+			result = v1 / v2;
+
+			assert(result == Vec3(2.0), "Vec3 div failure");
+		}
+
+		{ // Vec3 Arithmetic
+			Vec4 v1 = Vec4(5.0, 10.0, 15.0, 20.0);
+			Vec4 v2 = Vec4(2.5, 5.0, 7.5, 10.0);
+
+			Vec4 result = v1 * v2;
+
+			assert(result == Vec4(12.5, 50.0, 112.5, 200.0), "Vec4 mul failure");
+
+			result = v1 + v2;
+
+			assert(result == Vec4(7.5, 15.0, 22.5, 30.0), "Vec4 add failure");
+
+			result = v1 - v2;
+
+			assert(result == Vec4(2.5, 5.0, 7.5, 10.0), "Vec4 sub failure");
+
+			result = v1 / v2;
+
+			assert(result == Vec4(2.0), "Vec4 div failure");
+		}
+
+		{ // Mat4 Arithmetic
+			Mat4 m1 = RandomMat4();
+			Mat4 m2 = RandomMat4();
+			Mat4 m3 = m1 * m2;
+			Mat4 m4;
+			
+			MatZero(&m4);
+
+			for(u32 i = 0; i < 4; i += 1)
+			{
+				for(u32 j = 0; j < 4; j += 1)
+				{
+					for(u32 k = 0; k < 4; k += 1)
+					{
+						m4.rows[i][j] += m1.rows[k][j] * m2.rows[i][k];
+					}
 				}
 			}
+
+			assert(m3 == m4, "Mat4 mul failure");
 		}
 
-		assert(m3 == m4, "Mat4 mul failure");
+		{ // Translate
-	}
+			Mat4 mat = Mat4Identity();
+			Vec4 vec = Vec4(1.0, 2.0, 3.0, 1.0);
 
-	{ // Translate
+			Translate(&mat, Vec3(13.0, 11.0, 7.0));
-		Mat4 mat = Mat4Identity();
+			Vec4 result = mat * vec;
-		Vec4 vec = Vec4(1.0, 2.0, 3.0, 1.0);
 
-		Translate(&mat, Vec3(13.0, 11.0, 7.0));
+			assert(result == Vec4(14.0, 13.0, 10.0, 1.0));
-		Vec4 result = mat * vec;
 
-		assert(result == Vec4(14.0, 13.0, 10.0, 1.0));
+			mat = Mat4Identity();
+			Translate(&mat, Vec3(1.0, -1.0, -5.0));
+			result = mat * result;
 
-		mat = Mat4Identity();
+			assert(result == Vec4(15.0, 12.0, 5.0, 1.0));
-		Translate(&mat, Vec3(1.0, -1.0, -5.0));
+		}
-		result = mat * result;
 
-		assert(result == Vec4(15.0, 12.0, 5.0, 1.0));
+		{ // Identity
-	}
+			Mat4 identity = Mat4(
+					1.0, 0.0, 0.0, 0.0,
+					0.0, 1.0, 0.0, 0.0,
+					0.0, 0.0, 1.0, 0.0,
+					0.0, 0.0, 0.0, 1.0
+					);
+			Mat4 mat = Mat4Identity();
 
-	{ // Identity
+			assert(identity == mat);
-		Mat4 identity = Mat4(
+		}
-				1.0, 0.0, 0.0, 0.0,
-				0.0, 1.0, 0.0, 0.0,
-				0.0, 0.0, 1.0, 0.0,
-				0.0, 0.0, 0.0, 1.0
-				);
-		Mat4 mat = Mat4Identity();
-
-		assert(identity == mat);
-	}
 
 
-	{ // Inverse
+		{ // Inverse
-		foreach(i; 0 .. 1000)
+			foreach(i; 0 .. 1000)
+			{
+				Mat4 m1 = RandomMat4();
+
+				Mat4 m1_inv = Inverse(m1);
+				Mat4 m1_reinv = Inverse(m1_inv);
+
+				assert(m1 == m1_reinv, "Inverse test failed");
+			}
+		}
+
+		{ // Cross
+			Vec3 v1 = Vec3(2.0, -3.0, 4.0);
+			Vec3 v2 = Vec3(12.0, -31.0, 43.0);
+
+			Vec3 v3 = Cross(v1, v2);
+
+			Vec3 v4 = Vec3(
+				v1.y * v2.z - v1.z * v2.y,
+				v1.z * v2.x - v1.x * v2.z,
+				v1.x * v2.y - v1.y * v2.x
+			);
+
+			assert(v3 == v4, "Vec3 Cross failure");
+
+			v3 = CrossN(v1, v2);
+
+			Normalize(&v4);
+
+			assert(v3 == v4, "Vec3 CrossN failure");
+		}
+		*/
+
+		{ // Initializers
+			u32[4] arr = [1, 2, 3, 4];
+			Vec4 vec = Vec4(arr);
+			assert(vec == Vec4(1.0, 2.0, 3.0, 4.0));
+
+			Mat2 mat = Mat2(1.0, 0.0, 0.0, 1.0);
+
+			f32[16] floats = 22.0;
+			Mat4 mat4 = Mat4(floats);
+			assert(mat4.v == floats);
+
+			Quat quat = Quat(1.0, 1.0, 1.0, 1.0);
+
+			Quat quat2;
+		}
+
 		{
-			Mat4 m1 = RandomMat4();
+			Vec3 vec = Vec3(1.0, 2.0, 3.0);
+			Mat4 mat = Mat4(
+				1.0, 1.0, 1.0, 1.0,
+				2.0, 2.0, 2.0, 2.0,
+				3.0, 3.0, 3.0, 3.0,
+				4.0, 4.0, 4.0, 4.0
+			);
 
-			Mat4 m1_inv = Inverse(m1);
+			Transform(&vec, &mat, 1.0);
-			Mat4 m1_reinv = Inverse(m1_inv);
+
+			assert(vec == Vec3(18.0));
+
+			Vec4 low  = Vec4(-5.0);
+			Vec4 high = Vec4(+5.0);
+			Vec4 test = Vec4(-500.0);
+
+			test = Clamp(test, low, high);
+
+			assert(test == low);
+
+			test = Vec4(+500.0);
+			test = Clamp(test, low, high);
+
+			assert(test == high);
 
-			assert(m1 == m1_reinv, "Inverse test failed");
 		}
-	}
 
-	{ // Cross
-		Vec3 v1 = Vec3(2.0, -3.0, 4.0);
-		Vec3 v2 = Vec3(12.0, -31.0, 43.0);
-
-		Vec3 v3 = Cross(v1, v2);
-
-		Vec3 v4 = Vec3(
-			v1.y * v2.z - v1.z * v2.y,
-			v1.z * v2.x - v1.x * v2.z,
-			v1.x * v2.y - v1.y * v2.x
-		);
-
-		assert(v3 == v4, "Vec3 Cross failure");
-
-		v3 = CrossN(v1, v2);
-
-		Normalize(&v4);
-
-		assert(v3 == v4, "Vec3 CrossN failure");
-	}
-	*/
-
-	{ // Initializers
-		u32[4] arr = [1, 2, 3, 4];
-		Vec4 vec = Vec4(arr);
-		assert(vec == Vec4(1.0, 2.0, 3.0, 4.0));
-
-		Mat2 mat = Mat2(1.0, 0.0, 0.0, 1.0);
-
-		f32[16] floats = 22.0;
-		Mat4 mat4 = Mat4(floats);
-		assert(mat4.v == floats);
-
-		Quat quat = Quat(1.0, 1.0, 1.0, 1.0);
-
-		Quat quat2;
-	}
-
-	{
-		Vec3 vec = Vec3(1.0, 2.0, 3.0);
-		Mat4 mat = Mat4(
-			1.0, 1.0, 1.0, 1.0,
-			2.0, 2.0, 2.0, 2.0,
-			3.0, 3.0, 3.0, 3.0,
-			4.0, 4.0, 4.0, 4.0
-		);
-
-		Transform(&vec, &mat, 1.0);
-
-		assert(vec == Vec3(18.0));
-
-		Vec4 low  = Vec4(-5.0);
-		Vec4 high = Vec4(+5.0);
-		Vec4 test = Vec4(-500.0);
-
-		test = Clamp(test, low, high);
-
-		assert(test == low);
-
-		test = Vec4(+500.0);
-		test = Clamp(test, low, high);
-
-		assert(test == high);
-
-	}
-
-	{
-		Vec4 m0 = Vec4(0.0);
-		Vec4 m1 = Vec4(10.0);
-
-		assert(Mix(m0, m1, 0.0)  == m0);
-		assert(Mix(m0, m1, 1.0)  == m1);
-		assert(Mix(m0, m1, 0.5)  == Vec4(5.0));
-		assert(Mix(m0, m1, 0.75) == Vec4(7.5));
-
-		void TestModify(Vec4 v)
 		{
-			v.r = 55;
+			Vec4 m0 = Vec4(0.0);
+			Vec4 m1 = Vec4(10.0);
+
+			assert(Mix(m0, m1, 0.0)  == m0);
+			assert(Mix(m0, m1, 1.0)  == m1);
+			assert(Mix(m0, m1, 0.5)  == Vec4(5.0));
+			assert(Mix(m0, m1, 0.75) == Vec4(7.5));
+
+			void TestModify(Vec4 v)
+			{
+				v.r = 55;
+			}
+		}
+
+		{
+			u32 max = Max(50, 33, 123.0);
+			assert(max == 123);
+		}
+
+		{
+			Vec2 v0 = 50U;
+
+			assert(Abs(v0.x-50.0) < 0.0009 && Abs(v0.y-50.0) < 0.0009);
+
+			U8Vec2 v1 = U8Vec2(55U);
+
+			assert(v1.x == 55 && v1.y == 55);
+		}
+
+		{
+			assert(Ceil(10.5) == 11.0);
+			assert(Floor(100.33) == 100.0);
+			assert(Abs(-500) == 500);
+			assert(Abs(-500.0) == 500.0);
+
+			assert(Clamp(55, 10, 40)  == 40);
+			assert(Clamp(-20, -5, 55) == -5);
 		}
 	}
 
+	unittest
 	{
-		u32 max = Max(50, 33, 123.0);
+		DLibTestMath();
-		assert(max == 123);
-	}
-
-	{
-		Vec2 v0 = 50U;
-
-		assert(Abs(v0.x-50.0) < 0.0009 && Abs(v0.y-50.0) < 0.0009);
-
-		U8Vec2 v1 = U8Vec2(55U);
-
-		assert(v1.x == 55 && v1.y == 55);
-	}
-
-	{
-		assert(Ceil(10.5) == 11.0);
-		assert(Floor(100.33) == 100.0);
-		assert(Abs(-500) == 500);
-		assert(Abs(-500.0) == 500.0);
-
-		assert(Clamp(55, 10, 40)  == 40);
-		assert(Clamp(-20, -5, 55) == -5);
 	}
 }

dlib/package.d

@@ -16,15 +16,3 @@ else
 	public import dlibincludes;
 }
 
-shared static this()
-{
-	static if(NativeTarget)
-	{
-		FT_Init_FreeType(&FT_LIB);
-	}
-	else
-	{
-		ta_init(256, 16, (void*).sizeof*2);
-	}
-}
-

dlib/util.d

@@ -17,7 +17,8 @@ static if(NativeTarget)
 	import dlib.platform;
 }
 
-enum bool StringType(T) = (is(T: string) || is(T: u8[]) || is(T: char[]) || is(T: const(char)[]));
+enum bool StringType(T)  = (is(T == string) || is(T == u8[]) || is(T == char[]) || is(T == const(char)[]));
+enum bool CStringType(T) = (is(T == char*) || is(T == u8*) || is(T == immutable(char)*) || is(T == const(char)*));
 
 pragma(inline) void
 Int3()
@@ -59,6 +60,12 @@ Str(T)(T arr) if(StringType!(T))
 	return (cast(immutable(char)*)arr.ptr)[0 .. arr.length];
 }
 
+string
+Str(T)(T ptr) if(CStringType!(T))
+{
+	return ptr ? Str(ptr[0 .. cast(usize)strlen(ptr)]) : null;
+}
+
 alias ConvToStr = Str;
 
 T[]
@@ -1120,273 +1127,280 @@ ProcessHash(const(void)* data, ref u64 state_0, ref u64 state_1, ref u64 state_2
 	state_3 = ProcessSingleHashValue(state_3, block[3]);
 }
 
-version(DLIB_TEST) unittest
+version(DLIB_TEST) 
 {
-	{ // Singly Linked List
+	void DLibTestUtil()
-		alias LT = ListBox!(u32, false);
-		LinkedList!(LT) list;
-		LT[5] nodes;
-		foreach(u32 i, n; nodes)
-		{
-			nodes[i].value = i;
-			SLLPush(&list, &nodes[i], null);
-		}
-
-		u32 count = 0;
-		u32[3] res1 = [0, 2, 4];
-
-		SLLRemove(&list, &nodes[1], &nodes[0], null);
-		SLLRemove(&list, &nodes[3], &nodes[2], null);
-
-		LT* n = list.first;
-
-		assert(list.first != null && list.last != null);
-		assert(n != null);
-		assert(n.next != null);
-
-		void TestSLList(LinkedList!(LT)* list, u32[] result)
-		{
-			LT* n = list.first;
-			foreach(i, v; result)
-			{
-				assert(n != null);
-				assert(v == n.value);
-
-				if(i == result.length-1)
-				{
-					assert(n.next == null);
-					assert(n == list.last);
-				}
-
-				n = n.next;
-			}
-		}
-
-		TestSLList(&list, res1);
-
-		count = 0;
-		u32[5] res2 = [3, 0, 2, 4, 1];
-		
-		SLLPushFront(&list, &nodes[3], null);
-		SLLPush(&list, &nodes[1], null);
-
-		TestSLList(&list, res2);
-
-		count = 0;
-
-		SLLRemove(&list, &nodes[3], null, null);
-		SLLRemove(&list, &nodes[1], &nodes[4], null);
-
-		TestSLList(&list, res1);
-	}
-
-	{ // Doubly Linked List
-		alias LT = ListBox!(u32, true);
-
-		void TestDLList(T)(T* list, u32[] result)
-		{
-			LT* n = list.first;
-			foreach(i, v; result)
-			{
-				assert(n != null);
-				assert(v == n.value);
-
-				if(i > 0)
-				{
-					assert(n.prev != null);
-				}
-
-				if(i == result.length-1)
-				{
-					assert(n.next == null);
-					assert(n == list.last);
-				}
-
-				n = n.next;
-			}
-
-			n = list.last;
-			foreach_reverse(i, v; result)
-			{
-				assert(n != null);
-				assert(v == n.value);
-
-				if(i == result.length-1)
-				{
-					assert(n.next == null);
-				}
-
-				if(i == 0)
-				{
-					assert(n.prev == null);
-					assert(n == list.first);
-				}
-
-				n = n.prev;
-			}
-		}
-
-		LinkedList!(LT) list;
-		LT[5]           nodes;
-		foreach(u32 i, n; nodes)
-		{
-			nodes[i].value = i;
-			DLLPush(&list, &nodes[i], null);
-		}
-
-		assert(list.first != null && list.last != null);
-
-		u32[5] test1 = [0, 1, 2, 3, 4];
-		TestDLList(&list, test1);
-
-		u32 count = 0;
-		u32[3] res1 = [0, 2, 4];
-
-		DLLRemove(&list, &nodes[1], null);
-		DLLRemove(&list, &nodes[3], null);
-
-		TestDLList(&list, res1);
-
-		count = 0;
-		u32[5] res2 = [3, 0, 2, 4, 1];
-
-		DLLPushFront(&list, &nodes[3], null);
-		DLLPush(&list, &nodes[1], null);
-
-		TestDLList(&list, res2);
-
-		DLLRemove(&list, &nodes[3], null);
-		DLLRemove(&list, &nodes[1], null);
-
-		TestDLList(&list, res1);
-
-		DLLInsert(&list, &nodes[1], &nodes[0], null);
-	}
-
-	{ // MemCpy
-
-		u8[777] bytes;
-		u8[777] test_bytes;
-
-		bytes[0 .. 123] = 123;
-		bytes[123 .. 333] = 133;
-		bytes[333 .. 655] = 155;
-		bytes[655 .. $] = 199;
-
-		test_bytes[0 .. $] = bytes[0 .. $];
-
-		assert(test_bytes == bytes);
-
-		test_bytes[0 .. $] = 0;
-
-		MemCpy(test_bytes.ptr, bytes.ptr, 777);
-
-		assert(test_bytes == bytes);
-
-		test_bytes[0 .. $] = 0;
-		
-		MemCpy(test_bytes.ptr+100, bytes.ptr, 32);
-
-		u32 count = 0;
-		foreach(i, v; test_bytes[100 .. 132])
-		{
-			if(v != bytes[count])
-			{
-				assert(false);
-			}
-
-			count += 1;
-		}
-
-		assert(test_bytes[100 .. 132] == bytes[0 .. 32]);
-
-		test_bytes[0 .. $] = 0;
-
-		MemCpy(test_bytes.ptr, bytes.ptr, 33);
-
-		assert(test_bytes[0 .. 33] == bytes[0 .. 33]);
-
-		test_bytes[0 .. $] = 0;
-
-		MemCpy(test_bytes.ptr, bytes.ptr, 65);
-
-		assert(test_bytes[0 .. 65] == bytes[0 .. 65]);
-
-		test_bytes[0 .. $] = 0;
-
-		MemCpy(test_bytes.ptr, bytes.ptr, 96);
-
-		foreach(i, v; test_bytes[0 .. 96])
-		{
-			if(v != bytes[i])
-			{
-				assert(false);
-			}
-		}
-
-		assert(test_bytes[0 .. 96] == bytes[0 .. 96]);
-	}
-
-	{ // Hash Table
-		auto table = CreateHashTable!(u64, u64)(10);
-
-		table[100] = 100;
-	}
-
-	{ // Hash
-		u8[10]  arr_1 = 5;
-		u64[10] arr_2 = 555;
-		u64 val_1     = 555555;
-		u32 val_2     = 33333;
-
-		u64 v1 = Hash(arr_1);
-		u64 v2 = Hash(arr_2);
-		u64 v3 = Hash(&val_1);
-
-		assert(v1 > 0);
-		assert(v2 > 0);
-		assert(v3 > 0);
-	}
-
-	{ // Casts
-		u8[] arr = CastStr!(u8)("Test");
-		char[2] char_arr = ['a', 'b'];
-		arr = CastArr!(u8)(char_arr);
-	}
-
 	{
-		ResetScratch(MB(4));
+		{ // Singly Linked List
-		string str = Scratchf("%s testing %s", 55, "testing");
+			alias LT = ListBox!(u32, false);
-		assert(str == "55 testing testing");
+			LinkedList!(LT) list;
-		Logf(str);
+			LT[5] nodes;
+			foreach(u32 i, n; nodes)
+			{
+				nodes[i].value = i;
+				SLLPush(&list, &nodes[i], null);
+			}
+
+			u32 count = 0;
+			u32[3] res1 = [0, 2, 4];
+
+			SLLRemove(&list, &nodes[1], &nodes[0], null);
+			SLLRemove(&list, &nodes[3], &nodes[2], null);
+
+			LT* n = list.first;
+
+			assert(list.first != null && list.last != null);
+			assert(n != null);
+			assert(n.next != null);
+
+			void TestSLList(LinkedList!(LT)* list, u32[] result)
+			{
+				LT* n = list.first;
+				foreach(i, v; result)
+				{
+					assert(n != null);
+					assert(v == n.value);
+
+					if(i == result.length-1)
+					{
+						assert(n.next == null);
+						assert(n == list.last);
+					}
+
+					n = n.next;
+				}
+			}
+
+			TestSLList(&list, res1);
+
+			count = 0;
+			u32[5] res2 = [3, 0, 2, 4, 1];
+			
+			SLLPushFront(&list, &nodes[3], null);
+			SLLPush(&list, &nodes[1], null);
+
+			TestSLList(&list, res2);
+
+			count = 0;
+
+			SLLRemove(&list, &nodes[3], null, null);
+			SLLRemove(&list, &nodes[1], &nodes[4], null);
+
+			TestSLList(&list, res1);
+		}
+
+		{ // Doubly Linked List
+			alias LT = ListBox!(u32, true);
+
+			void TestDLList(T)(T* list, u32[] result)
+			{
+				LT* n = list.first;
+				foreach(i, v; result)
+				{
+					assert(n != null);
+					assert(v == n.value);
+
+					if(i > 0)
+					{
+						assert(n.prev != null);
+					}
+
+					if(i == result.length-1)
+					{
+						assert(n.next == null);
+						assert(n == list.last);
+					}
+
+					n = n.next;
+				}
+
+				n = list.last;
+				foreach_reverse(i, v; result)
+				{
+					assert(n != null);
+					assert(v == n.value);
+
+					if(i == result.length-1)
+					{
+						assert(n.next == null);
+					}
+
+					if(i == 0)
+					{
+						assert(n.prev == null);
+						assert(n == list.first);
+					}
+
+					n = n.prev;
+				}
+			}
+
+			LinkedList!(LT) list;
+			LT[5]           nodes;
+			foreach(u32 i, n; nodes)
+			{
+				nodes[i].value = i;
+				DLLPush(&list, &nodes[i], null);
+			}
+
+			assert(list.first != null && list.last != null);
+
+			u32[5] test1 = [0, 1, 2, 3, 4];
+			TestDLList(&list, test1);
+
+			u32 count = 0;
+			u32[3] res1 = [0, 2, 4];
+
+			DLLRemove(&list, &nodes[1], null);
+			DLLRemove(&list, &nodes[3], null);
+
+			TestDLList(&list, res1);
+
+			count = 0;
+			u32[5] res2 = [3, 0, 2, 4, 1];
+
+			DLLPushFront(&list, &nodes[3], null);
+			DLLPush(&list, &nodes[1], null);
+
+			TestDLList(&list, res2);
+
+			DLLRemove(&list, &nodes[3], null);
+			DLLRemove(&list, &nodes[1], null);
+
+			TestDLList(&list, res1);
+
+			DLLInsert(&list, &nodes[1], &nodes[0], null);
+		}
+
+		{ // MemCpy
+
+			u8[777] bytes;
+			u8[777] test_bytes;
+
+			bytes[0 .. 123] = 123;
+			bytes[123 .. 333] = 133;
+			bytes[333 .. 655] = 155;
+			bytes[655 .. $] = 199;
+
+			test_bytes[0 .. $] = bytes[0 .. $];
+
+			assert(test_bytes == bytes);
+
+			test_bytes[0 .. $] = 0;
+
+			MemCpy(test_bytes.ptr, bytes.ptr, 777);
+
+			assert(test_bytes == bytes);
+
+			test_bytes[0 .. $] = 0;
+			
+			MemCpy(test_bytes.ptr+100, bytes.ptr, 32);
+
+			u32 count = 0;
+			foreach(i, v; test_bytes[100 .. 132])
+			{
+				if(v != bytes[count])
+				{
+					assert(false);
+				}
+
+				count += 1;
+			}
+
+			assert(test_bytes[100 .. 132] == bytes[0 .. 32]);
+
+			test_bytes[0 .. $] = 0;
+
+			MemCpy(test_bytes.ptr, bytes.ptr, 33);
+
+			assert(test_bytes[0 .. 33] == bytes[0 .. 33]);
+
+			test_bytes[0 .. $] = 0;
+
+			MemCpy(test_bytes.ptr, bytes.ptr, 65);
+
+			assert(test_bytes[0 .. 65] == bytes[0 .. 65]);
+
+			test_bytes[0 .. $] = 0;
+
+			MemCpy(test_bytes.ptr, bytes.ptr, 96);
+
+			foreach(i, v; test_bytes[0 .. 96])
+			{
+				if(v != bytes[i])
+				{
+					assert(false);
+				}
+			}
+
+			assert(test_bytes[0 .. 96] == bytes[0 .. 96]);
+		}
+
+		{ // Hash Table
+			auto table = CreateHashTable!(u64, u64)(10);
+
+			table[100] = 100;
+		}
+
+		{ // Hash
+			u8[10]  arr_1 = 5;
+			u64[10] arr_2 = 555;
+			u64 val_1     = 555555;
+			u32 val_2     = 33333;
+
+			u64 v1 = Hash(arr_1);
+			u64 v2 = Hash(arr_2);
+			u64 v3 = Hash(&val_1);
+
+			assert(v1 > 0);
+			assert(v2 > 0);
+			assert(v3 > 0);
+		}
+
+		{ // Casts
+			u8[] arr = CastStr!(u8)("Test");
+			char[2] char_arr = ['a', 'b'];
+			arr = CastArr!(u8)(char_arr);
+		}
+
+		{
+			ResetScratch(MB(4));
+			string str = Scratchf("%s testing %s", 55, "testing");
+			assert(str == "55 testing testing");
+		}
+
+		{
+			u64[555] slice = 53321;
+
+			MemSet(slice.ptr, 0, u64.sizeof*slice.length);
+
+			for(usize i = 0; i < slice.length; i += 1)
+			{
+				assert(slice[i] == 0);
+			}
+
+			MemSet(slice.ptr, 5, u64.sizeof*slice.length);
+
+			u64 cmp = cast(u64)(
+				cast(u64)(5) << 56 |
+				cast(u64)(5) << 48 |
+				cast(u64)(5) << 40 |
+				cast(u64)(5) << 32 |
+				cast(u64)(5) << 24 |
+				cast(u64)(5) << 16 |
+				cast(u64)(5) << 8  |
+				cast(u64)(5) << 0  
+			);
+
+			for(usize i = 0; i < slice.length; i += 1)
+			{
+				assert(slice[i] == cmp);
+			}
+		}
 	}
 
+	unittest
 	{
-		u64[555] slice = 53321;
+		DLibTestUtil();
-
-		MemSet(slice.ptr, 0, u64.sizeof*slice.length);
-
-		for(usize i = 0; i < slice.length; i += 1)
-		{
-			assert(slice[i] == 0);
-		}
-
-		MemSet(slice.ptr, 5, u64.sizeof*slice.length);
-
-		u64 cmp = cast(u64)(
-			cast(u64)(5) << 56 |
-			cast(u64)(5) << 48 |
-			cast(u64)(5) << 40 |
-			cast(u64)(5) << 32 |
-			cast(u64)(5) << 24 |
-			cast(u64)(5) << 16 |
-			cast(u64)(5) << 8  |
-			cast(u64)(5) << 0  
-		);
-
-		for(usize i = 0; i < slice.length; i += 1)
-		{
-			assert(slice[i] == cmp);
-		}
 	}
 }

test.sh

@@ -2,17 +2,17 @@
 
 name="Test_Runner"
 
-shared_src="dlib/package.d dlib/platform.d dlib/fonts.d dlib/aliases.d dlib/math.d dlib/util.d dlib/alloc.d dlib/assets.d dlib/externdecl.d"
+shared_src="dlib/package.d dlib/platform.d dlib/fonts.d dlib/aliases.d dlib/math.d dlib/util.d dlib/alloc.d dlib/assets.d dlib/externdecl.d stb_truetype.d"
 
 if [ "$1" == "wasm" ]; then
-	flags="-c -vgc -mtriple=wasm32-unknown-unknown-wasm -d-version=DLIB_TEST -fvisibility=public -dllimport=all --unittest --Xcc=-DBUILD_WASM -Iwasm/runtime -L--no-entry -i=core -i=std -i=. --real-precision=double --of=build/dlibmain.wasm --d-version=inline_concat -verrors=90"
+	flags="-vgc -betterC -mtriple=wasm32-unknown-unknown-wasm -d-version=DLIB_TEST -fvisibility=hidden --unittest -Iwasm/runtime -i=core -i=std -i=. --real-precision=double --of=build/dlibmain.wasm --d-version=inline_concat -verrors=90 --of=build/dlib.wasm -gcc=clang"
-	wasm_src="wasm/runtime/object.d"
+	wasm_src="wasm/runtime/object.d stb_truetype.d"
 
-	/bin/bash ./build.sh build wasm
+	#/bin/bash ./build.sh build wasm
 
 	ldc2 $flags $shared_src $wasm_src
 
-	wasm-ld build/dlibmain.wasm build/dlibincludes.wasm --export=RunTests --error-limit=0 --export-memory -obuild/dlib.wasm
+	#wasm-ld build/dlibmain.wasm build/dlibincludes.wasm --export=RunTests --error-limit=0 --export-memory -obuild/dlib.wasm
 
 	cp build/dlib.wasm wasm/dlib.wasm
 else

test/teststbtt.d

@@ -0,0 +1,26 @@
+import stb_truetype;
+
+import core.stdc.stdio;
+import core.stdc.stdlib;
+
+ubyte[] FONT_DATA = cast(ubyte[])import("pc-9800.ttf");
+stbtt_bakedchar[96] cdata;
+
+void
+main(string[] args)
+{
+	char arg1 = args.length > 1 ? args[1][0] : 'a';
+
+	stbtt_fontinfo font;
+	ubyte* bitmap;
+	int w,h,i,j,c = (arg1), s = (args.length > 2 ? atoi(args[2].ptr) : 20);
+
+	stbtt_InitFont(&font, FONT_DATA.ptr, stbtt_GetFontOffsetForIndex(FONT_DATA.ptr, 0));
+	bitmap = stbtt_GetCodepointBitmap(&font, 0, stbtt_ScaleForPixelHeight(&font, s), c, &w, &h, null, null);
+
+	for (j=0; j < h; ++j) {
+		for (i=0; i < w; ++i)
+			putchar(" .:ioVM@"[bitmap[j*w+i]>>5]);
+		putchar('\n');
+	}
+}

wasm/runtime/core/arsd/objectutils.d

@@ -1,5 +1,6 @@
 module core.arsd.objectutils;
 
+/*
 ///Provides only __doPostblit and hasPostblit for making the code simpler.
 size_t structTypeInfoSize(const TypeInfo ti) pure nothrow @nogc
 {
@@ -11,6 +12,9 @@ size_t structTypeInfoSize(const TypeInfo ti) pure nothrow @nogc
     }
     return 0;
 }
+*/
+
+/*
 // strip const/immutable/shared/inout from type info
 inout(TypeInfo) unqualify(return scope inout(TypeInfo) cti) pure nothrow @nogc
 {
@@ -32,6 +36,7 @@ inout(TypeInfo) unqualify(return scope inout(TypeInfo) cti) pure nothrow @nogc
     }
     return ti;
 }
+*/
 
 bool hasPostblit(in TypeInfo ti) nothrow pure
 {

wasm/runtime/core/internal/cast_.d

@@ -157,10 +157,10 @@ void* _d_cast(To, From)(From o) @trusted
         {
             return _d_paint_cast!To(o);
         }
-        else static if (is (To : From))
+        //else static if (is (To : From))
-        {
+        //{
-            return _d_class_cast!To(o);
+        //    return _d_class_cast!To(o);
-        }
+        //}
         else
         {
             return null;

wasm/runtime/core/stdc/math.d

@@ -0,0 +1,4 @@
+module core.stdc.math;
+
+public import wasm : pow, cos, acos;
+

wasm/runtime/math/package.d

@@ -1,10 +1,13 @@
 module core.math;
 
-pragma(LDC_intrinsic, "llvm.sqrt.f32")
+pragma(LDC_intrinsic, "llvm.sqrt.f#") T
-float llvm_sqrt(float x) pure nothrow @nogc @safe;
+llvm_sqrt(T)(T x) pure nothrow @nogc @safe;
-
-pragma(LDC_intrinsic, "llvm.sqrt.f64")
-double llvm_sqrt(double x) pure nothrow @nogc @safe;
 
 float  sqrt(float x ) => x < 0.0f ? float.nan  : llvm_sqrt(x);
 double sqrt(double x) => x < 0.0f ? double.nan : llvm_sqrt(x);
+
+pragma(LDC_intrinsic, "llvm.fabs.f#") T
+llvm_fabs(T)(T x) pure nothrow @nogc @safe;
+
+float fabs(float x) => llvm_fabs(x);
+

wasm/runtime/object.d

@@ -12,10 +12,18 @@ alias AliasSeq(TList...) = TList;
 // import core.arsd.memory_allocation;
 
 import core.stdc.string;
-import dlib.externdecl;
+import dlib.alloc;
+import dlib.util;
 
 import wasm;
 
+export extern(C) void
+__assert(const(char)* msg, const(char)* file, uint line)
+{
+
+	Abortf("%s(%s): Assertion failure %s", Str(file), line, Str(msg));
+}
+
 version(CarelessAlocation)
 {
 	version = inline_concat;
@@ -42,96 +50,96 @@ int __cmp(C1, C2)(C1 lhs, C2 rhs)
 if ((is(C1 : const(Object)) || (is(C1 == interface) && (__traits(getLinkage, C1) == "D"))) &&
     (is(C2 : const(Object)) || (is(C2 == interface) && (__traits(getLinkage, C2) == "D"))))
 {
-    static if (is(C1 == typeof(null)) && is(C2 == typeof(null)))
+	static if (is(C1 == typeof(null)) && is(C2 == typeof(null)))
-    {
+	{
-        return 0;
+		return 0;
-    }
+	}
-    else static if (is(C1 == typeof(null)))
+	else static if (is(C1 == typeof(null)))
-    {
+	{
-        // Regard null references as always being "less than"
+		// Regard null references as always being "less than"
-        return -1;
+		return -1;
-    }
+	}
-    else static if (is(C2 == typeof(null)))
+	else static if (is(C2 == typeof(null)))
-    {
+	{
-        return 1;
+		return 1;
-    }
+	}
-    else
+	else
-    {
+	{
-        if (lhs is rhs)
+		if (lhs is rhs)
-            return 0;
+			return 0;
-        if (lhs is null)
+		if (lhs is null)
-            return -1;
+			return -1;
-        if (rhs is null)
+		if (rhs is null)
-            return 1;
+			return 1;
-        return lhs.opCmp(rhs);
+		return lhs.opCmp(rhs);
-    }
+	}
 }
 
 class TypeInfo_AssociativeArray : TypeInfo
 {
-    override string toString() const
+	override string toString() const
-    {
+	{
-			return MakeString(value.toString(), "[", key.toString(), "]");
+		return MakeString(value.toString(), "[", key.toString(), "]");
-    }
+	}
 
-    override bool opEquals(Object o)
+	override bool opEquals(Object o)
-    {
+	{
-        if (this is o)
+		if (this is o)
-            return true;
+			return true;
-        auto c = cast(const TypeInfo_AssociativeArray)o;
+		auto c = cast(const TypeInfo_AssociativeArray)o;
-        return c && this.key == c.key &&
+		return c && this.key == c.key &&
-                    this.value == c.value;
+			this.value == c.value;
-    }
+	}
 
-    override bool equals(in void* p1, in void* p2) @trusted const
+	override bool equals(in void* p1, in void* p2) @trusted const
-    {
+	{
-        return xopEquals(p1, p2);
+		return xopEquals(p1, p2);
-    }
+	}
 
-    override hash_t getHash(scope const void* p) nothrow @trusted const
+	override hash_t getHash(scope const void* p) nothrow @trusted const
-    {
+	{
-        return xtoHash(p);
+		return xtoHash(p);
-    }
+	}
 
-    // BUG: need to add the rest of the functions
+	// BUG: need to add the rest of the functions
 
-    override @property size_t tsize() nothrow pure const
+	override @property size_t tsize() nothrow pure const
-    {
+	{
-        return (char[int]).sizeof;
+		return (char[int]).sizeof;
-    }
+	}
 
-    override const(void)[] initializer() const @trusted
+	override const(void)[] initializer() const @trusted
-    {
+	{
-        return (cast(void *)null)[0 .. (char[int]).sizeof];
+		return (cast(void *)null)[0 .. (char[int]).sizeof];
-    }
+	}
 
-    override @property inout(TypeInfo) next() nothrow pure inout { return value; }
+	override @property inout(TypeInfo) next() nothrow pure inout { return value; }
-    override @property uint flags() nothrow pure const { return 1; }
+	override @property uint flags() nothrow pure const { return 1; }
 
-    // TypeInfo entry is generated from the type of this template to help rt/aaA.d
+	// TypeInfo entry is generated from the type of this template to help rt/aaA.d
-    // private static import core.internal.newaa;
+	// private static import core.internal.newaa;
-    // alias Entry(K, V) = core.internal.newaa.Entry!(K, V);
+	// alias Entry(K, V) = core.internal.newaa.Entry!(K, V);
 
-    TypeInfo value;
+	TypeInfo value;
-    TypeInfo key;
+	TypeInfo key;
-    TypeInfo entry;
+	TypeInfo entry;
 
-    bool function(scope const void* p1, scope const void* p2) nothrow @safe xopEquals;
+	bool function(scope const void* p1, scope const void* p2) nothrow @safe xopEquals;
-    hash_t function(scope const void*) nothrow @safe xtoHash;
+	hash_t function(scope const void*) nothrow @safe xtoHash;
 
-    alias aaOpEqual(K, V) = core.internal.newaa._aaOpEqual!(K, V);
+	alias aaOpEqual(K, V) = core.internal.newaa._aaOpEqual!(K, V);
-    alias aaGetHash(K, V) = core.internal.newaa._aaGetHash!(K, V);
+	alias aaGetHash(K, V) = core.internal.newaa._aaGetHash!(K, V);
 
-    override @property size_t talign() nothrow pure const
+	override @property size_t talign() nothrow pure const
-    {
+	{
-        return (char[int]).alignof;
+		return (char[int]).alignof;
-    }
+	}
 
-    version (WithArgTypes) override int argTypes(out TypeInfo arg1, out TypeInfo arg2)
+	version (WithArgTypes) override int argTypes(out TypeInfo arg1, out TypeInfo arg2)
-    {
+	{
-        arg1 = typeid(void*);
+		//arg1 = typeid(void*);
-        return 0;
+		return 0;
-    }
+	}
 }
 
 template RTInfoImpl(size_t[] pointerBitmap)
@@ -168,11 +176,12 @@ AllocPtr(size_t size) @trusted nothrow @nogc
 
 template _arrayOp(Args...)
 {
-    import core.internal.array.operations;
+	import core.internal.array.operations;
-    alias _arrayOp = arrayOp!Args;
+	alias _arrayOp = arrayOp!Args;
 }
 
-extern(C) void _d_array_slice_copy(void* dst, size_t dstlen, void* src, size_t srclen, size_t elemsz) {
+extern(C) void _d_array_slice_copy(void* dst, size_t dstlen, void* src, size_t srclen, size_t elemsz) 
+{
 	auto d = cast(ubyte*) dst;
 	auto s = cast(ubyte*) src;
 	auto len = dstlen * elemsz;
@@ -183,10 +192,10 @@ extern(C) void _d_array_slice_copy(void* dst, size_t dstlen, void* src, size_t s
 		s++;
 		len--;
 	}
-
 }
 
-void reserve(T)(ref T[] arr, size_t length) @trusted {
+void reserve(T)(ref T[] arr, size_t length) @trusted 
+{
 	arr = (cast(T*) (malloc(length * T.sizeof)))[0 .. 0];
 }
 
@@ -194,37 +203,37 @@ void reserve(T)(ref T[] arr, size_t length) @trusted {
 
 extern(C) void _d_arraybounds(string file, size_t line) 
 {
-	Abort("Range Error");
+	Abortf("%s(%s): Range Error", file, line);
 }
 
 
 /// Called when an out of range slice of an array is created
 extern(C) void _d_arraybounds_slice(string file, uint line, size_t lwr, size_t upr, size_t length)
 {
-	Abort("Range error on slice creation");
+	Abortf("%s(%s): Range error on slice creation %s is out of range on [%s .. %s]", file, line, length, lwr, upr);
 }
 
 /// Called when an out of range array index is accessed
 extern(C) void _d_arraybounds_index(string file, uint line, size_t index, size_t length)
 {
-	Abort("Range error on indexing array");
+	Abortf("%s(%s): Range error on indexing array %s is out of range of %s", file, line, index, length);
 }
 
 // }
 
 extern(C) void _d_assert(string file, uint line)  @trusted @nogc
 {
-	Abort("Assertion failure");
+	Abortf("%s(%s): Assertion failure", file, line);
 }
 
 void _d_assertp(immutable(char)* file, uint line)
 {
-	Abort("Assertion failure");
+	Abortf("%s(%s): Assertion failure", Str(file), line);
 }
 
 extern(C) void _d_assert_msg(string msg, string file, uint line) @trusted @nogc
 {
-	Abort("Assertion failure with msg");
+	Abortf("%s(%s): Assertion failure - %s", file, line, msg);
 }
 
 void __switch_error(string file, size_t line) @trusted @nogc
@@ -232,7 +241,8 @@ void __switch_error(string file, size_t line) @trusted @nogc
 	_d_assert_msg("final switch error", file, line);
 }
 
-bool __equals(T1, T2)(scope const T1[] lhs, scope const T2[] rhs) {
+bool __equals(T1, T2)(scope const T1[] lhs, scope const T2[] rhs) 
+{
 	if (lhs.length != rhs.length) 
 	{
 		return false;
@@ -252,7 +262,8 @@ bool __equals(T1, T2)(scope const T1[] lhs, scope const T2[] rhs) {
 // bare basics class support {
 
 
-extern(C) Object _d_allocclass(TypeInfo_Class ti) {
+extern(C) Object _d_allocclass(TypeInfo_Class ti) 
+{
 	auto ptr = (cast(byte*)malloc(ti.m_init.length))[0 .. ti.m_init.length];
 	ptr[0 .. $] = ti.m_init[0 .. $];
 	return cast(Object) ptr.ptr;
@@ -1962,11 +1973,13 @@ extern(C) void[] _d_newarrayiT(const TypeInfo ti, size_t length)
 	}
 }
 
+/*
 extern (C) void* _d_newitemU(scope const TypeInfo _ti)
 {
 	auto ti = unqualify(_ti);
 	return malloc(ti.tsize);
 }
+*/
 
 /// ditto
 extern (C) T* _d_newitemT(T)() @trusted
@@ -1979,6 +1992,7 @@ extern (C) T* _d_newitemT(T)() @trusted
   return p;
 }
 
+/*
 /// Same as above, for item with non-zero initializer.
 extern (C) void* _d_newitemiT(TypeInfo ti)
 {
@@ -1987,8 +2001,7 @@ extern (C) void* _d_newitemiT(TypeInfo ti)
     memcpy(p, initializer.ptr, initializer.length);
     return p;
 }
-
+*/
-
 
 private void[] _d_newarrayOpT(alias op)(const TypeInfo ti, size_t[] dimensions)
 {
@@ -2133,6 +2146,7 @@ extern (C) byte[] _d_arraycatT(const TypeInfo ti, byte[] x, byte[] y)
     return p[0 .. x.length + y.length];
 }
 
+/*
 extern (C) void[] _d_arrayappendcd(ref byte[] x, dchar c)
 {
     // c could encode into from 1 to 4 characters
@@ -2174,6 +2188,7 @@ extern (C) void[] _d_arrayappendcd(ref byte[] x, dchar c)
     //
     return _d_arrayappendT(typeid(shared char[]), x, appendthis);
 }
+*/
 
 
 
@@ -3103,26 +3118,28 @@ class Exception : Throwable
     }
 }
 
+/*
 inout(TypeInfo) unqualify(return scope inout(TypeInfo) cti) pure nothrow @nogc
 {
-    TypeInfo ti = cast() cti;
+	TypeInfo ti = cast() cti;
-    while (ti)
+	while (ti)
-    {
+	{
-        // avoid dynamic type casts
+		// avoid dynamic type casts
-        auto tti = typeid(ti);
+		auto tti = typeid(ti);
-        if (tti is typeid(TypeInfo_Const))
+		if (tti is typeid(TypeInfo_Const))
-            ti = (cast(TypeInfo_Const)cast(void*)ti).base;
+			ti = (cast(TypeInfo_Const)cast(void*)ti).base;
-        else if (tti is typeid(TypeInfo_Invariant))
+		else if (tti is typeid(TypeInfo_Invariant))
-            ti = (cast(TypeInfo_Invariant)cast(void*)ti).base;
+			ti = (cast(TypeInfo_Invariant)cast(void*)ti).base;
-        else if (tti is typeid(TypeInfo_Shared))
+		else if (tti is typeid(TypeInfo_Shared))
-            ti = (cast(TypeInfo_Shared)cast(void*)ti).base;
+			ti = (cast(TypeInfo_Shared)cast(void*)ti).base;
-        else if (tti is typeid(TypeInfo_Inout))
+		else if (tti is typeid(TypeInfo_Inout))
-            ti = (cast(TypeInfo_Inout)cast(void*)ti).base;
+			ti = (cast(TypeInfo_Inout)cast(void*)ti).base;
-        else
+		else
-            break;
+			break;
-    }
+	}
-    return ti;
+	return ti;
 }
+*/
 
 private void _doPostblit(T)(T[] arr)
 {

wasm/runtime/std/format.d

@@ -5,7 +5,7 @@ import std.traits;
 import wasm;
 
 char[]
-sformat(Char, Args...)(scope return char[] buf, scope const(Char)[] fmt, Args args)
+sformat(Char, Args...)(scope return char[] buf, scope const(Char)[] fmt, Args args) @nogc
 {
 	SprintfType type = SprintfType.None;
 	static foreach(i; 0 .. Args.length)
@@ -52,10 +52,18 @@ sformat(Char, Args...)(scope return char[] buf, scope const(Char)[] fmt, Args ar
 				else static if(is(Args[i] == double)) type = F64;
 				else static if(is(Args[i] == bool))   type = Bool;
 				else static if(is(Args[i] == char))   type = Char;
+				else static if(isPointer!(Args[i]))   type = Pointer;
 				else static assert(false, "Type unsupported");
 			}
 
-			SprintfLoadValue(&args[i], type);
+			static if(isPointer!(Args[i]))
+			{
+				SprintfLoadValue(args[i], type);
+			}
+			else
+			{
+				SprintfLoadValue(&args[i], type);
+			}
 		}
 	}
 
@@ -65,7 +73,7 @@ sformat(Char, Args...)(scope return char[] buf, scope const(Char)[] fmt, Args ar
 }
 
 char[]
-sformat(alias fmt, Args...)(char[] buf, Args args) if(isSomeString!(typeof(fmt)))
+sformat(alias fmt, Args...)(char[] buf, Args args) @nogc if(isSomeString!(typeof(fmt)))
 {
 	return .sformat(buf, fmt, args);
 }

wasm/runtime/std/math/rounding.d

@@ -2,7 +2,21 @@ module std.math.rounding;
 
 pragma(LDC_intrinsic, "llvm.round.f#")
 T llvm_round(T)(T val)
-if (__traits(isFloating, T));
+if(__traits(isFloating, T));
 
-float  round(float x)  => llvm_round(x);
+float  round(float  x) => llvm_round(x);
 double round(double x) => llvm_round(x);
+
+pragma(LDC_intrinsic, "llvm.floor.f#")
+T llvm_floor(T)(T val) 
+if(__traits(isFloating, T));
+
+float  floor(float  x) => llvm_floor(x);
+double floor(double x) => llvm_floor(x);
+
+pragma(LDC_intrisic, "llvm.ceil.f#")
+T llvm_ceil(T)(T val)
+if(__traits(isFloating, T));
+
+float  ceil(float  x) => llvm_ceil(x);
+double ceil(double x) => llvm_ceil(x);

wasm/runtime/std/traits.d

@@ -1,5 +1,7 @@
 module std.traits;
 
+public import core.internal.traits;
+
 enum bool isFloatingPoint(T) = __traits(isFloating, T) && is(T : real);
 
 template isIntegral(T)
@@ -82,3 +84,11 @@ template isAggregateType(T)
 }
 
 enum bool isSomeString(T) = is(immutable T == immutable C[], C) && (is(C == char) || is(C == wchar) || is(C == dchar));
+
+template Select(bool condition, T...)
+if (T.length == 2)
+{
+	import std.meta : Alias;
+	alias Select = Alias!(T[!condition]);
+}
+

wasm/runtime/wasm.d

@@ -2,6 +2,9 @@ module wasm;
 
 import ldc.attributes;
 
+import dlib.util;
+import std.format;
+
 enum SprintfType : size_t
 {
 	None,
@@ -30,9 +33,12 @@ enum SprintfType : size_t
 	F64Array,
 	Char,
 	CharArray,
+	Pointer,
 }
 
-extern extern(C) @nogc @llvmAttr("wasm-import-module", "env"):
+
+
+extern extern(C) @llvmAttr("wasm-import-module", "env"):
 
 @llvmAttr("wasm-import-name", "Console") void
 Console(string str, bool write_line);
@@ -41,39 +47,60 @@ Console(string str, bool write_line);
 Console2(size_t length, const(void)* ptr, bool write_line);
 
 @llvmAttr("wasm-import-name", "Abort") void
-Abort(string message);
+Abort(string message) @nogc;
 
 @llvmAttr("wasm-import-name", "SprintfLoadValue") void 
-SprintfLoadValue(const(void)* ptr, SprintfType type);
+SprintfLoadValue(const(void)* ptr, SprintfType type) @nogc;
 
 @llvmAttr("wasm-import-name", "SprintfLoadArray") void 
-SprintfLoadArray(size_t length, const(void)* ptr, SprintfType type);
+SprintfLoadArray(size_t length, const(void)* ptr, SprintfType type) @nogc;
 
 @llvmAttr("wasm-import-name", "SprintfEnd") size_t
-SprintfEnd(char[] buffer, string format);
+SprintfEnd(char[] buffer, string format) @nogc;
+
+@llvmAttr("wasm-import-name", "pow") double
+pow(double base, double exponent) @nogc;
+
+@llvmAttr("wasm-import-name", "cos") double
+cos(double x) @nogc;
+
+@llvmAttr("wasm-import-name", "acos") double
+acos(double x) @nogc;
+
+void
+Abortf(Args...)(string fmt, Args args) @nogc
+{
+	char[1024] buffer;
+
+	string abort_message = Str(sformat(buffer, fmt, args));
+
+	Abort(abort_message);
+}
 
 export void 
 _start() 
 {
 	import dlib.alloc;
 	import dlib.util;
+	import std.format;
+
+	MallocInit(256, 16, (void*).sizeof*2);
 
 	ResetScratch(MB(2));
+
+	char[100] buffer;
+	uint[2] arr = [1, 2];
+	sformat(buffer, "%s", arr);
 }
 
-version(DLIB_TEST)
+version(DLIB_TEST) export void 
-{
-
-export void 
 RunTests()
 {
-	Console("azZ", true);
+	import dlib;
-	static foreach(test_fn; __traits(getUnitTests, __traits(parent, _start)))
+
-	{
+	DLibTestMath();
-		Console("Running test", true);
+	DLibTestUtil();
-		test_fn();
+	DLibTestAlloc();
-	}
+
 	Console("Tests succeeded", true);
 }
-
-}

wasm/wasm.js

@@ -27,6 +27,8 @@ const TYPES = {
 	CharArray: 25,
 };
 
+let LoadSize = null;
+
 function assert(condition, message)
 {
 	if(!condition)
@@ -36,260 +38,272 @@ function assert(condition, message)
 	}
 }
 
-class WasmManager
+const wasm_manager = {
+	memory:         null,
+	data_view:      null,
+	stdout_string:  "",
+	sprintf_values: [],
+	ptr_size:       4,
+};
+
+function InitWasmManager(memory, ptr_size = 4)
 {
-	constructor(memory, ptr_size = 4)
+	wasm_manager.ptr_size  = ptr_size;
+
+	wasm_manager.sprintf_values = [];
+
+	wasm_manager.stdout_string = "";
+
+	switch(wasm_manager.ptr_size)
 	{
-		this.ptr_size  = ptr_size;
+		case 8:  LoadSize = LoadU64; break;
+		case 4:
+		default: LoadSize = LoadU32; break;
+	}
+}
 
-		this.sprintf_values = [];
+function SetMemory(memory)
+{
+	wasm_manager.memory    = memory;
+	wasm_manager.data_view = new DataView(wasm_manager.memory.buffer);
+}
 
-		this.stdout_string = "";
+function Memory()
+{
+	return new DataView(wasm_manager.memory.buffer);
+}
 
-		switch(this.ptr_size)
+function LoadBool(addr) { return Boolean(Memory().getUint8(addr, true)); }
+function LoadF32(addr)  { return Memory().getFloat32(addr, true); }
+function LoadF64(addr)  { return Memory().getFloat64(addr, true); }
+function LoadU8 (addr)  { return Memory().getUint8  (addr, true); }
+function LoadI8 (addr)  { return Memory().getInt8   (addr, true); }
+function LoadU16(addr)  { return Memory().getUint16 (addr, true); }
+function LoadI16(addr)  { return Memory().getInt16  (addr, true); }
+function LoadU32(addr)  { return Memory().getUint32 (addr, true); }
+function LoadI32(addr)  { return Memory().getInt32  (addr, true); }
+
+function LoadU64(addr)
+{
+	const lo = Memory().getUint32(addr+0, true);
+	const hi = Memory().getUint32(addr+4, true);
+	return lo + hi*4294967296;
+}
+
+function LoadI64(addr)
+{
+	const lo = Memory().getUint32(addr+0, true);
+	const hi = Memory().getInt32 (addr+4, true);
+	return lo + hi*4294967296;
+}
+
+function LoadArray(array_class, length, addr) 
+{
+	return new array_class(wasm_manager.memory.buffer, addr, length);
+}
+
+function LoadString(length, addr)
+{
+	return new TextDecoder().decode(LoadArray(Uint8Array, length, addr));
+}
+
+function LoadCString(ptr)
+{
+	if(!ptr) return null;
+
+	let length = 0;
+	for(; LoadU8(ptr+length); length += 1) {}
+
+	return LoadString(ptr, length);
+}
+
+function StoreString(ptr, value)
+{
+	const src = new TextEncoder().encode(value);
+	const dst = new Uint8Array(wasm_manager.memory.buffer, ptr, src.length);
+
+	dst.set(src);
+
+	return src.length;
+}
+
+const imports = {
+	env: {
+		Abort(string_length, string_ptr) 
 		{
-			case 8:  this.LoadSize = this.LoadU64; break;
+			console.error(LoadString(string_length, string_ptr));
-			case 4:
+		},
-			default: this.LoadSize = this.LoadU32; break;
+		SprintfLoadValue(ptr, type)
-		}
+		{
-	}
+			let value = null;
+			switch(type)
+			{
+				case TYPES.U8:    value = LoadU8(ptr);        break;
+				case TYPES.I8:    value = LoadI8(ptr);        break;
+				case TYPES.U16:   value = LoadU16(ptr);       break;
+				case TYPES.I16:   value = LoadI16(ptr);       break;
+				case TYPES.U32:   value = LoadU32(ptr);       break;
+				case TYPES.I32:   value = LoadI32(ptr);       break;
+				case TYPES.U64:   value = LoadU64(ptr);       break;
+				case TYPES.I64:   value = LoadI64(ptr);       break;
+				case TYPES.SizeT: value = LoadSize(ptr);      break;
+				case TYPES.F32:   value = LoadF32(ptr);       break;
+				case TYPES.F64:   value = LoadF64(ptr);       break;
+				case TYPES.Bool:  value = LoadBool(ptr);      break;
+				case TYPES.Char:  value = LoadString(1, ptr); break;
+				default: break;
+			}
 
-	SetMemory(memory)
+			if(value != null)
-	{
+			{
-		this.memory    = memory;
+				if(type === TYPES.Bool)
-		this.data_view = new DataView(this.memory.buffer);
-	}
-
-	LoadBool = (addr) => Boolean(this.data_view.getUint8(addr, true));
-
-	LoadF32  = (addr) => this.data_view.getFloat32(addr, true);
-	LoadF64  = (addr) => this.data_view.getFloat64(addr, true);
-
-	LoadU8   = (addr) => this.data_view.getUint8  (addr, true);
-	LoadI8   = (addr) => this.data_view.getInt8   (addr, true);
-	LoadU16  = (addr) => this.data_view.getUint16 (addr, true);
-	LoadI16  = (addr) => this.data_view.getInt16  (addr, true);
-	LoadU32  = (addr) => this.data_view.getUint32 (addr, true);
-	LoadI32  = (addr) => this.data_view.getInt32  (addr, true);
-
-	LoadU64(addr)
-	{
-		const lo = this.data_view.getUint32(addr+0, true);
-		const hi = this.data_view.getUint32(addr+4, true);
-		return lo + hi*4294967296;
-	}
-
-	LoadI64(addr)
-	{
-		const lo = this.data_view.getUint32(addr+0, true);
-		const hi = this.data_view.getInt32 (addr+4, true);
-		return lo + hi*4294967296;
-	}
-
-	LoadArray  = (array_class, length, addr) => new array_class(this.memory.buffer, addr, length);
-	LoadString = (length, addr)              => new TextDecoder().decode(this.LoadArray(Uint8Array, length, addr));
-
-	LoadCString(ptr)
-	{
-		if(!ptr) return null;
-
-		let length = 0;
-		for(; this.LoadU8(ptr+length); length += 1) {}
-
-		return this.LoadString(ptr, length);
-	}
-
-	StoreString(ptr, value)
-	{
-		const src = new TextEncoder().encode(value);
-		const dst = new Uint8Array(this.memory.buffer, ptr, src.length);
-
-		dst.set(src);
-
-		return src.length;
-	}
-
-	Imports() 
-	{
-		const manager = this;
-		return {
-			env: {
-				Abort(string_length, string_ptr) 
 				{
-					console.error(manager.LoadString(string_length, string_ptr));
+					wasm_manager.sprintf_values.push(value ? 'true' : 'false');
-				},
+				}
-				SprintfLoadValue(ptr, type)
+				else
 				{
-					let value = null;
+					wasm_manager.sprintf_values.push(''+value);
-					switch(type)
+				}
-					{
+			}
-						case TYPES.U8:    value = manager.LoadU8(ptr);        break;
+		},
-						case TYPES.I8:    value = manager.LoadI8(ptr);        break;
+		SprintfLoadArray(length, ptr, type)
-						case TYPES.U16:   value = manager.LoadU16(ptr);       break;
+		{
-						case TYPES.I16:   value = manager.LoadI16(ptr);       break;
+			let value = null;
-						case TYPES.U32:   value = manager.LoadU32(ptr);       break;
+			switch(type)
-						case TYPES.I32:   value = manager.LoadI32(ptr);       break;
+			{
-						case TYPES.U64:   value = manager.LoadU64(ptr);       break;
+				case TYPES.CharArray:
-						case TYPES.I64:   value = manager.LoadI64(ptr);       break;
+				case TYPES.String:    value = LoadString(length, ptr);                break;
-						case TYPES.SizeT: value = manager.LoadSize(ptr);      break;
+				case TYPES.U8Array:   value = LoadArray(Uint8Array,     length, ptr); break;
-						case TYPES.F32:   value = manager.LoadF32(ptr);       break;
+				case TYPES.I8Array:   value = LoadArray(Int8Array,      length, ptr); break;
-						case TYPES.F64:   value = manager.LoadF64(ptr);       break;
+				case TYPES.U16Array:  value = LoadArray(Uint16Array,    length, ptr); break;
-						case TYPES.Bool:  value = manager.LoadBool(ptr);      break;
+				case TYPES.I16Array:  value = LoadArray(Int16Array,     length, ptr); break;
-						case TYPES.Char:  value = manager.LoadString(1, ptr); break;
+				case TYPES.U32Array:  value = LoadArray(Uint32Array,    length, ptr); break;
-						default: break;
+				case TYPES.I32Array:  value = LoadArray(Int32Array,     length, ptr); break;
-					}
+				case TYPES.U64Array:  value = LoadArray(BigUint64Array, length, ptr); break;
+				case TYPES.I64Array:  value = LoadArray(BigInt64Array,  length, ptr); break;
+				case TYPES.F32Array:  value = LoadArray(Float32Array,   length, ptr); break;
+				case TYPES.F64Array:  value = LoadArray(Float64Array,   length, ptr); break;
+			}
 
-					if(value)
+			if(value)
-					{
+			{
-						if(type === TYPES.Bool)
+				if(type !== TYPES.String && type !== TYPES.CharArray)
-						{
-							manager.sprintf_values.push(value ? 'true' : 'false');
-						}
-						else
-						{
-							manager.sprintf_values.push(''+value);
-						}
-					}
-				},
-				SprintfLoadArray(length, ptr, type)
 				{
-					let value = null;
+					value = `[${value.join(", ")}]`;
-					switch(type)
+				}
-					{
-						case TYPES.CharArray:
-						case TYPES.String:    value = manager.LoadString(length, ptr);                break;
-						case TYPES.U8Array:   value = manager.LoadArray(Uint8Array,     length, ptr); break;
-						case TYPES.I8Array:   value = manager.LoadArray(Int8Array,      length, ptr); break;
-						case TYPES.U16Array:  value = manager.LoadArray(Uint16Array,    length, ptr); break;
-						case TYPES.I16Array:  value = manager.LoadArray(Int16Array,     length, ptr); break;
-						case TYPES.U32Array:  value = manager.LoadArray(Uint32Array,    length, ptr); break;
-						case TYPES.I32Array:  value = manager.LoadArray(Int32Array,     length, ptr); break;
-						case TYPES.U64Array:  value = manager.LoadArray(BigUint64Array, length, ptr); break;
-						case TYPES.I64Array:  value = manager.LoadArray(BigInt64Array,  length, ptr); break;
-						case TYPES.F32Array:  value = manager.LoadArray(Float32Array,   length, ptr); break;
-						case TYPES.F64Array:  value = manager.LoadArray(Float64Array,   length, ptr); break;
-					}
 
-					if(value)
+				wasm_manager.sprintf_values.push(value);
-					{
+			}
-						if(type !== TYPES.String && type !== TYPES.CharArray)
+		},
-						{
+		SprintfEnd(buffer_length, buffer_ptr, string_length, string_ptr)
-							value = `[${value.join(", ")}]`;
+		{
-						}
+			let format_string = LoadString(string_length, string_ptr);
 
-						manager.sprintf_values.push(value);
+			let index  = format_string.indexOf("%");
-					}
+
-				},
+			let result = format_string.substring(0, index);
-				SprintfEnd(buffer_length, buffer_ptr, string_length, string_ptr)
+			let format = format_string.substring(index);
+
+			function Next()
+			{
+				index   = format.indexOf("%");
+				result += format.substring(0, index);
+				format  = format.substring(index);
+			}
+
+			let value_index = 0;
+			for(; value_index < wasm_manager.sprintf_values.length;)
+			{
+				assert(format.length);
+
+				const char = format.charAt(1);
+				assert(char !== " " && char.length, "Invalid format string " + format_string);
+
+				if(char === "%")
 				{
-					let format_string = manager.LoadString(string_length, string_ptr);
+					result += "%";
-
+					format = format.substring(2);
-					let index  = format_string.indexOf("%");
+					Next();
-
+					continue;
-					let result = format_string.substring(0, index);
+				}
-					let format = format_string.substring(index);
+				else if(char >= '0' && char <= '9')
-
+				{
-					function Next()
+					let digit_index = 2;
+					for(;;)
 					{
-						index   = format.indexOf("%");
+						let next_char = format.charAt(digit_index++);
-						result += format.substring(0, index);
-						format  = format.substring(index);
-					}
 
-					let value_index = 0;
+						assert(next_char !== " " && next_char.length, "Invalid format string " + format_string);
-					for(; value_index < manager.sprintf_values.length;)
-					{
-						assert(format.length);
 
-						const char = format.charAt(1);
+						if(next_char < '0' || next_char > '9')
-						assert(char !== " " && char.length, "Invalid format string " + format_string);
-
-						if(char === "%")
 						{
-							result += "%";
-							format = format.substring(2);
-							Next();
 							continue;
 						}
-						else if(char >= '0' && char <= '9')
-						{
-							let digit_index = 2;
-							for(;;)
-							{
-								let next_char = format.charAt(digit_index++);
 
-								assert(next_char !== " " && next_char.length, "Invalid format string " + format_string);
+						result += wasm_manager.sprintf_values[value_index++];
+						format  = format.substring(digit_index);
+						Next();
 
-								if(next_char < '0' || next_char > '9')
+						break;
-								{
-									continue;
-								}
-
-								result += manager.sprintf_values[value_index++];
-								format  = format.substring(digit_index);
-								Next();
-
-								break;
-							}
-						}
-						else if((char >= 'a' && char <= 'z') || (char >= 'A' && char <= 'Z'))
-						{
-							result += manager.sprintf_values[value_index++];
-							format  = format.substring(2);
-							Next();
-						}
-						else assert(false, "Invalid format string " + format_string);
 					}
-
+				}
-					result += format;
+				else if((char >= 'a' && char <= 'z') || (char >= 'A' && char <= 'Z'))
-
-					const bytes_written = manager.StoreString(buffer_ptr, result);
-					assert(bytes_written <= buffer_length, "Format string is longer than buffer length");
-
-					manager.sprintf_values = [];
-
-					return bytes_written;
-				},
-				Console(string_length, string_ptr, write_line)
 				{
-					manager.stdout_string += manager.LoadString(string_length, string_ptr);
+					result += wasm_manager.sprintf_values[value_index++];
-					const arr = manager.LoadArray(Uint8Array, string_length, string_ptr);
+					format  = format.substring(2);
+					Next();
+				}
+				else assert(false, "Invalid format string " + format_string);
+			}
 
-					if(write_line || manager.stdout_string.includes("\n"))
+			result += format;
-					{
-						console.log(manager.stdout_string);
-						manager.stdout_string = "";
-					}
-				},
-				Console2(string_length, string_ptr, write_line)
-				{
-					manager.stdout_string += manager.LoadString(string_length, string_ptr);
-					const arr = manager.LoadArray(Uint8Array, string_length, string_ptr);
 
-					if(write_line || manager.stdout_string.includes("\n"))
+			const bytes_written = StoreString(buffer_ptr, result);
-					{
+			assert(bytes_written <= buffer_length, "Format string is longer than buffer length");
-						console.log(manager.stdout_string);
+
-						manager.stdout_string = "";
+			wasm_manager.sprintf_values = [];
-					}
+
-				},
+			return bytes_written;
-			},
+		},
-		}
+		Console(string_length, string_ptr, write_line)
-	}
+		{
+			wasm_manager.stdout_string += LoadString(string_length, string_ptr);
+			const arr = LoadArray(Uint8Array, string_length, string_ptr);
+
+			if(write_line || wasm_manager.stdout_string.includes("\n"))
+			{
+				console.log(wasm_manager.stdout_string);
+				wasm_manager.stdout_string = "";
+			}
+		},
+		Console2(string_length, string_ptr, write_line)
+		{
+			wasm_manager.stdout_string += LoadString(string_length, string_ptr);
+			const arr = LoadArray(Uint8Array, string_length, string_ptr);
+
+			if(write_line || wasm_manager.stdout_string.includes("\n"))
+			{
+				console.log(wasm_manager.stdout_string);
+				wasm_manager.stdout_string = "";
+			}
+		},
+		pow:  Math.pow,
+		cos:  Math.cos,
+		acos: Math.acos,
+	},
 }
 
 async function StartWasm(path)
 {
-	const manager = new WasmManager();
-
 	const response = await fetch(path);
 	const data     = await response.arrayBuffer();
-	const wasm     = await WebAssembly.instantiate(data, manager.Imports());
+	const wasm     = await WebAssembly.instantiate(data, imports);
 
 	const exports = wasm.instance.exports;
 
 	if(exports.memory)
 	{
-		manager.SetMemory(exports.memory);
+		SetMemory(exports.memory);
 	}
 
 	exports?._start();