Extraction: Mdl data parsing

Scripts/BRS-Model-Data.bms

@@ -0,0 +1,85 @@
+idstring "INSM"
+
+# Start getting some known variables
+set EMBED_START 0x34 # to get embedded section if it exists
+set DATA_START 0x28
+set VERTEX_OFFSET 0x2c
+set CHUNK 0x04
+get SIZE asize
+set ARBITRARY_NUMBER 10000000000
+set VERTEX_STRIDE 0x1c # Distance between Vertex Buffers
+
+# Recursively replace known locations with their values since those are address locations in the ROM
+goto EMBED_START
+get EMBED_START long
+
+goto DATA_START
+get DATA_START long
+
+goto VERTEX_OFFSET
+get VERTEX_OFFSET long
+
+# Do some math to get where the first data section ends so we can access the rest of the Vertex Data in the next section
+set VERTEX_START VERTEX_OFFSET
+math VERTEX_START + DATA_START
+
+# Get the total size of the VERTEX_DATA section
+set VERTEX_DATA_SIZE EMBED_START
+math VERTEX_DATA_SIZE - DATA_START
+
+set TRIS VERTEX_DATA_SIZE
+math TRIS / VERTEX_STRIDE
+
+# Get the amount of lines to part before moving to next triangle
+set LINES VERTEX_STRIDE
+math LINES / CHUNK
+
+# Start the parsing here
+goto DATA_START
+savepos CUR_POS
+
+# Create a Vertex Array to house the data
+set SHIFT VERTEX_OFFSET
+set START_POS CUR_POS
+math SHIFT + START_POS
+
+for i = TRIS > 0
+	if CUR_POS > EMBED_START | CUR_POS == EMBED_START | START_POS > VERTEX_OFFSET | START_POS == VERTEX_OFFSET
+		break
+	endif
+	print "TRI: %i%"
+	goto CUR_POS
+	for k = 0 < 4
+		get WHAT long
+		string T = WHAT
+		string T b T
+		if T != "00000010"
+			#print "CURRENT_OFFSET: %CUR_POS% ==== WHAT: %T%"
+			print "WHAT: %T%"
+		else
+			savepos START_POS # So that we can come back to the chunk right after
+			goto SHIFT
+			set CUR_POS SHIFT
+			# Reset SHIFT so it doesn't stack the offsets
+			set SHIFT VERTEX_OFFSET
+			math SHIFT + START_POS
+		endif
+		set TMP CUR_POS
+		math TMP + CHUNK
+		set CUR_POS TMP
+	next k
+	for k = 0 < 4
+		get VERTEX float
+		if VERTEX > -257 & VERTEX < 257
+			#print "CURRENT_OFFSET: %CUR_POS% ==== VERTEX: %VERTEX%"
+			print "VERTEX: %VERTEX%"
+		else
+			math k - 1
+			math VERTEX_OFFSET - CHUNK
+		endif
+		set TMP CUR_POS
+		math TMP + CHUNK
+		set CUR_POS TMP
+	next k
+	set CUR_POS START_POS
+next i - 1

Specifications/File Formats.md

@@ -143,8 +143,12 @@ This documentation is mostly here to help structure, describe and name the vario
 * Extension: .mdl (if PTMD or alternative structures are found within)
 * Header: INSM
 * Purpose: Stores model data
+* Notes:
+	* Vertex Stride: 0x0c (first section); 0x14 (second section)
 * Structure:
 	* 0x34 - Offset of PTMD or alternative structures from Header
+	* 0x28 - Start position of First Data section
+	* 0x2c - Offset from 0x28 to get to the Second Data Section
 
 ===================================================================
 * Tentative Name: Internal Node Structure Animation