r_init practically done

Author: Technochips

d_main.js

@@ -196,7 +196,7 @@ function D_DoomMain()
 	console.log("M_LoadDefaults: Load system defaults.");
 	M_LoadDefaults();
 
-	console.log("Z_Init: Init zone memory allocation daemon. "); // false. this also does not exist, this must be coded in in order to have the true dos experience
+	console.log("Z_Init: Init zone memory allocation daemon. "); // false. this also does not exist, but this must be coded in in order to have the true dos experience
 
 	console.log("M_LoadDefaults: Load system defaults.");
 
@@ -249,4 +249,10 @@ function D_DoomMain()
 			// Ouch.
 			break;
 	}
+
+	console.log("M_Init: Init miscellaneous info.");
+	M_Init();
+
+	console.log("R_Init: Init DOOM refresh daemon - ")
+	R_Init();
 }

i_system.js

@@ -1,4 +1,5 @@
 function I_Error(error)
 {
+	alert(error);
 	throw new Error(error); // makes sure the javascript stops
 }

jsdoom.css

@@ -15,4 +15,11 @@ body#jsdoom-body
 iframe
 {
 	border: none;
+}
+canvas#jsdoom-canvas
+{
+	position: fixed;
+	top: 50%;
+	left: 50%;
+	transform: translate(-50%, -50%);
 }

jsdoom.html

@@ -12,7 +12,11 @@
 		<script src="doomdef.js"></script>
 		<script src="i_system.js"></script>
 		<script src="m_argv.js"></script>
+		<script src="m_fixed.js"></script>
+		<script src="m_menu.js"></script>
 		<script src="m_misc.js"></script>
+		<script src="r_data.js"></script>
+		<script src="r_main.js"></script>
 		<script src="w_wad.js"></script>
 
 		<script src="jsdoom.js"></script>

jsdoom.js

@@ -69,4 +69,68 @@ function CorrectInt32Endianness(value, endian)
 	return r;
 }
 
+function GetUint8(buffer, position)
+{
+	return new Uint8Array(buffer, position, 1)[0];
+}
+function GetInt8(buffer, position)
+{
+	return new Int8Array(buffer, position, 1)[0];
+}
+
+function GetUint16(buffer, position, endian)
+{
+	try
+	{
+		return CorrectUint16Endianness(new Uint16Array(buffer, position, 1)[0], endian);
+	}
+	catch(e)
+	{
+		return CorrectUint16Endianness(new Uint16Array(buffer.slice(position, position+2), 0, 1)[0], endian);
+	}
+}
+function GetInt16(buffer, position, endian)
+{
+	try
+	{
+		return CorrectInt16Endianness(new Int16Array(buffer, position, 1)[0], endian);
+	}
+	catch(e)
+	{
+		return CorrectInt16Endianness(new Int16Array(buffer.slice(position, position+2), 0, 1)[0], endian);
+	}
+}
+
+function GetUint32(buffer, position, endian)
+{
+	try
+	{
+		return CorrectUint16Endianness(new Uint32Array(buffer, position, 1)[0], endian);
+	}
+	catch(e)
+	{
+		return CorrectUint16Endianness(new Uint32Array(buffer.slice(position, position+4), 0, 1)[0], endian);
+	}
+}
+function GetInt32(buffer, position, endian)
+{
+	try
+	{
+		return CorrectInt16Endianness(new Int32Array(buffer, position, 1)[0], endian);
+	}
+	catch(e)
+	{
+		return CorrectInt16Endianness(new Int32Array(buffer.slice(position, position+4), 0, 1)[0], endian);
+	}
+}
+
+function GetUint8Array(buffer, position, length)
+{
+	return new Uint8Array(buffer, position, length);
+}
+function GetString(buffer, position, length)
+{
+	return decoder.decode(GetUint8Array(buffer, position, length)).replace(/\0.*$/g,'');
+}
+
 D_DoomMain();

m_fixed.js

@@ -0,0 +1,2 @@
+const FRACBITS = 16
+const FRACUNIT = (1<<FRACBITS)