From de29b11a88dbdd3af0824e59b51528b91ee73c54 Mon Sep 17 00:00:00 2001
From: ptitSeb
Date: Thu, 30 Nov 2017 22:49:38 +0100
Subject: First commit. Version works on Linux (keyboard only, not
 configurable)

---
 src/qda.c | 62 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 src/qda.c

(limited to 'src/qda.c')

diff --git a/src/qda.c b/src/qda.c
new file mode 100644
index 0000000..663fa00
--- /dev/null
+++ b/src/qda.c
@@ -0,0 +1,62 @@
+#include "qda.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+//Load headers for each image
+//Returns: 0 = file not found | 1 = success | 2 = Invalid file
+int initQDA()
+{
+	int result = 0;
+	FILE* f;
+	
+	char fullPath[80];
+	#ifdef _SDL
+	strcpy(fullPath, "data/");
+	#else
+	strcpy(fullPath, "");
+	#endif
+	#ifdef _3DS
+		strcat(fullPath, "romfs:/");
+	#endif
+	strcat(fullPath, "bmp.qda");
+	
+	if ( (f = fopen(fullPath, "rb")) ) {
+		result = 1;
+		
+		//Read header data into memory
+		int allHeadersSize = 0x1F5C;
+		unsigned char* QDAFile = (unsigned char*)malloc(allHeadersSize);
+		fread(QDAFile, allHeadersSize, 1, f);
+		
+		//Check if QDA file is valid
+		{
+			if (QDAFile[4] == 0x51 && QDAFile[5] == 0x44 && QDAFile[6] == 0x41 && QDAFile[7] == 0x30) {
+				//Load headers separately
+				{
+					int numofsheets = 29;
+					int headerSize = 0x10C;
+				
+					int i;
+					for (i = 0; i < numofsheets; i++) {
+						//memcpy(&headers[i], &QDAFile[0x100 + (i * headerSize)], sizeof(QDAHeader));
+						int offset = 256 + (i * headerSize);						
+						memcpy(&headers[i].offset, &QDAFile[offset], 4);
+						memcpy(&headers[i].size, &QDAFile[offset + 4], 4);
+						memcpy(&headers[i].bytes, &QDAFile[offset + 8], 4);
+						memcpy(&headers[i].fileName, &QDAFile[offset + 12], 0x100);
+					}
+				}
+			}else{
+				result = 2;
+			}
+		}
+		
+		//Cleanup
+		free(QDAFile);
+	}
+	
+	fclose(f);
+	
+	return result;
+}
\ No newline at end of file
-- 
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