From 39678a9b44007e3fdb03cda2d97bfc2f529798c8 Mon Sep 17 00:00:00 2001
From: lordhavoc <lordhavoc@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Mon, 22 Jan 2001 23:15:51 +0000
Subject: [PATCH] fixed (byte *) - (char *) subtraction

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@129 d7cf8633-e32d-0410-b094-e92efae38249
---
 image.c        | 67 +++++++++++++++++++++++++++++++++++++-------------
 model_sprite.c |  4 +--
 2 files changed, 52 insertions(+), 19 deletions(-)

diff --git a/image.c b/image.c
index f4accd0a..f4520e98 100644
--- a/image.c
+++ b/image.c
@@ -409,12 +409,13 @@ byte* LoadLMP (FILE *f, int matchwidth, int matchheight)
 
 void Image_StripImageExtension (char *in, char *out)
 {
-	char *end;
+	char *end, *temp;
 	end = in + strlen(in);
 	if ((end - in) >= 4)
 	{
-		if (strcmp(end - 4, ".tga") == 0 || strcmp(end - 4, ".pcx") == 0 || strcmp(end - 4, ".lmp") == 0)
-			end -= 4;
+		temp = end - 4;
+		if (strcmp(temp, ".tga") == 0 || strcmp(temp, ".pcx") == 0 || strcmp(temp, ".lmp") == 0)
+			end = temp;
 		while (in < end)
 			*out++ = *in++;
 		*out++ = 0;
@@ -442,15 +443,9 @@ byte* loadimagepixels (char* filename, qboolean complain, int matchwidth, int ma
 	if (f)
 		return LoadPCX (f, matchwidth, matchheight);
 	sprintf (name, "%s.tga", basename);
-	Con_Printf("name = %s : ", name);
 	COM_FOpenFile (name, &f, true);
 	if (f)
-	{
-		Con_Printf("succeeded\n");
 		return LoadTGA (f, matchwidth, matchheight);
-	}
-	else
-		Con_Printf("failed\n");
 	sprintf (name, "%s.pcx", basename);
 	COM_FOpenFile (name, &f, true);
 	if (f)
@@ -546,6 +541,7 @@ int loadtextureimagewithmask (char* filename, int matchwidth, int matchheight, q
 
 void Image_WriteTGARGB (char *filename, int width, int height, byte *data)
 {
+	int y;
 	byte *buffer, *in, *out, *end;
 
 	buffer = malloc(width*height*3 + 18);
@@ -558,17 +554,54 @@ void Image_WriteTGARGB (char *filename, int width, int height, byte *data)
 	buffer[15] = (height >> 8) & 0xFF;
 	buffer[16] = 24;	// pixel size
 
-	// swap rgb to bgr
-	in = data;
-	end = in + width*height*3;
+	// swap rgb to bgr and flip upside down
 	out = buffer + 18;
-	for (;in < end;in += 3)
+	for (y = height - 1;y >= 0;y--)
 	{
-		*out++ = in[2];
-		*out++ = in[1];
-		*out++ = in[0];
+		in = data + y * width * 3;
+		end = in + width * 3;
+		for (;in < end;in += 3)
+		{
+			*out++ = in[2];
+			*out++ = in[1];
+			*out++ = in[0];
+		}
+	}
+	COM_WriteFile (filename, buffer, width*height*3 + 18 );
+
+	free(buffer);
+}
+
+void Image_WriteTGARGBA (char *filename, int width, int height, byte *data)
+{
+	int y;
+	byte *buffer, *in, *out, *end;
+
+	buffer = malloc(width*height*4 + 18);
+
+	memset (buffer, 0, 18);
+	buffer[2] = 2;		// uncompressed type
+	buffer[12] = (width >> 0) & 0xFF;
+	buffer[13] = (width >> 8) & 0xFF;
+	buffer[14] = (height >> 0) & 0xFF;
+	buffer[15] = (height >> 8) & 0xFF;
+	buffer[16] = 32;	// pixel size
+
+	// swap rgba to bgra and flip upside down
+	out = buffer + 18;
+	for (y = height - 1;y >= 0;y--)
+	{
+		in = data + y * width * 4;
+		end = in + width * 4;
+		for (;in < end;in += 4)
+		{
+			*out++ = in[2];
+			*out++ = in[1];
+			*out++ = in[0];
+			*out++ = in[3];
+		}
 	}
-	COM_WriteFile (filename, buffer, glwidth*glheight*3 + 18 );
+	COM_WriteFile (filename, buffer, width*height*4 + 18 );
 
 	free(buffer);
 }
diff --git a/model_sprite.c b/model_sprite.c
index 22de0177..1dde9211 100644
--- a/model_sprite.c
+++ b/model_sprite.c
@@ -35,7 +35,7 @@ void Mod_SpriteInit (void)
 
 void Mod_Sprite_StripExtension(char *in, char *out)
 {
-	byte *end;
+	char *end;
 	end = in + strlen(in);
 	if ((end - in) >= 6)
 		if (strcmp(end - 6, ".spr32") == 0)
@@ -85,7 +85,7 @@ void * Mod_LoadSpriteFrame (void * pin, mspriteframe_t **ppframe, int framenum,
 
 	Mod_Sprite_StripExtension(loadmodel->name, tempname);
 	sprintf (name, "%s_%i", tempname, framenum);
-	pspriteframe->gl_texturenum = loadtextureimagewithmask(name, 0, 0, true, true);
+	pspriteframe->gl_texturenum = loadtextureimagewithmask(name, 0, 0, false, true);
 	pspriteframe->gl_fogtexturenum = image_masktexnum;
 	if (pspriteframe->gl_texturenum == 0)
 	{
-- 
2.39.2