From cb16a7014e2bf0080ea13bd228e09a7e9e7e611e Mon Sep 17 00:00:00 2001
From: divverent <divverent@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Sat, 27 Oct 2007 12:40:28 +0000
Subject: [PATCH 1/1] add menu QC drawsubpic() to draw just part of an image;
 revert change to DrawQ_SuperPic

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@7655 d7cf8633-e32d-0410-b094-e92efae38249
---
 clvm_cmds.c |  2 +-
 gl_draw.c   | 15 ++++-----------
 mvm_cmds.c  |  2 +-
 prvm_cmds.c | 54 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 prvm_cmds.h |  2 ++
 5 files changed, 62 insertions(+), 13 deletions(-)

diff --git a/clvm_cmds.c b/clvm_cmds.c
index 68b8ecc2..5547057d 100644
--- a/clvm_cmds.c
+++ b/clvm_cmds.c
@@ -3077,7 +3077,7 @@ VM_drawsetcliparea,				// #324 void(float x, float y, float width, float height)
 VM_drawresetcliparea,			// #325 void(void) drawresetcliparea
 VM_drawcolorcodedstring,		// #326 float drawcolorcodedstring(vector position, string text, vector scale, vector rgb, float alpha, float flag) (EXT_CSQC)
 NULL,							// #327 // FIXME add stringwidth() here?
-NULL,							// #328
+NULL,							// #328 // FIXME add drawsubpic() here?
 NULL,							// #329
 VM_CL_getstatf,					// #330 float(float stnum) getstatf (EXT_CSQC)
 VM_CL_getstati,					// #331 float(float stnum) getstati (EXT_CSQC)
diff --git a/gl_draw.c b/gl_draw.c
index 6eb9378f..2f01464d 100644
--- a/gl_draw.c
+++ b/gl_draw.c
@@ -852,17 +852,10 @@ void DrawQ_SuperPic(float x, float y, cachepic_t *pic, float width, float height
 			height = pic->height;
 		R_Mesh_TexBind(0, R_GetTexture(pic->tex));
 		R_Mesh_TexCoordPointer(0, 2, floats + 12, 0, 0);
-
-      // AK07: lets be texel correct on the corners
-      {
-         float horz_offset = 0.5f / pic->width;
-         float vert_offset = 0.5f / pic->height;
-
-         floats[12] = s1 + horz_offset;floats[13] = t1 + vert_offset;
-         floats[14] = s2 - horz_offset;floats[15] = t2 + vert_offset;
-         floats[16] = s4 - horz_offset;floats[17] = t4 - vert_offset;
-         floats[18] = s3 + horz_offset;floats[19] = t3 - vert_offset;
-      }
+		floats[12] = s1;floats[13] = t1;
+		floats[14] = s2;floats[15] = t2;
+		floats[16] = s4;floats[17] = t4;
+		floats[18] = s3;floats[19] = t3;
 	}
 
 	floats[2] = floats[5] = floats[8] = floats[11] = 0;
diff --git a/mvm_cmds.c b/mvm_cmds.c
index dddf5a18..0c68542f 100644
--- a/mvm_cmds.c
+++ b/mvm_cmds.c
@@ -1229,7 +1229,7 @@ VM_cin_restart, 			// #465
 VM_drawline,				// #466
 VM_drawcolorcodedstring,	// #467
 VM_stringwidth,				// #468
-NULL,						// #469
+VM_drawsubpic,			// #469
 NULL,						// #470
 VM_asin,					// #471 float(float s) VM_asin (DP_QC_ASINACOSATANATAN2TAN)
 VM_acos,					// #472 float(float c) VM_acos (DP_QC_ASINACOSATANATAN2TAN)
diff --git a/prvm_cmds.c b/prvm_cmds.c
index 1c7f4233..57f192b3 100644
--- a/prvm_cmds.c
+++ b/prvm_cmds.c
@@ -2789,6 +2789,60 @@ void VM_drawpic(void)
 	DrawQ_Pic(pos[0], pos[1], Draw_CachePic(picname, true), size[0], size[1], rgb[0], rgb[1], rgb[2], PRVM_G_FLOAT(OFS_PARM4), flag);
 	PRVM_G_FLOAT(OFS_RETURN) = 1;
 }
+/*
+=========
+VM_drawsubpic
+
+float	drawsubpic(vector position, vector size, string pic, vector srcPos, vector srcSize, vector rgb, float alpha, float flag)
+
+=========
+*/
+void VM_drawsubpic(void)
+{
+	const char *picname;
+	float *size, *pos, *rgb, *srcPos, *srcSize, alpha;
+	int flag;
+
+	VM_SAFEPARMCOUNT(8,VM_drawsubpic);
+
+	picname = PRVM_G_STRING(OFS_PARM2);
+	VM_CheckEmptyString (picname);
+
+	// is pic cached ? no function yet for that
+	if(!1)
+	{
+		PRVM_G_FLOAT(OFS_RETURN) = -4;
+		VM_Warning("VM_drawsubpic: %s: %s not cached !\n", PRVM_NAME, picname);
+		return;
+	}
+
+	pos = PRVM_G_VECTOR(OFS_PARM0);
+	size = PRVM_G_VECTOR(OFS_PARM1);
+	srcPos = PRVM_G_VECTOR(OFS_PARM3);
+	srcSize = PRVM_G_VECTOR(OFS_PARM4);
+	rgb = PRVM_G_VECTOR(OFS_PARM5);
+	alpha = PRVM_G_FLOAT(OFS_PARM6);
+	flag = (int) PRVM_G_FLOAT(OFS_PARM7);
+
+	if(flag < DRAWFLAG_NORMAL || flag >=DRAWFLAG_NUMFLAGS)
+	{
+		PRVM_G_FLOAT(OFS_RETURN) = -2;
+		VM_Warning("VM_drawsubpic: %s: wrong DRAWFLAG %i !\n",PRVM_NAME,flag);
+		return;
+	}
+
+	if(pos[2] || size[2])
+		Con_Printf("VM_drawsubpic: z value%s from %s discarded\n",(pos[2] && size[2]) ? "s" : " ",((pos[2] && size[2]) ? "pos and size" : (pos[2] ? "pos" : "size")));
+
+	DrawQ_SuperPic(pos[0], pos[1], Draw_CachePic(picname, true),
+		size[0], size[1],
+		srcPos[0],              srcPos[1],              rgb[0], rgb[1], rgb[2], alpha,
+		srcPos[0] + srcSize[0], srcPos[1],              rgb[0], rgb[1], rgb[2], alpha,
+		srcPos[0],              srcPos[1] + srcSize[1], rgb[0], rgb[1], rgb[2], alpha,
+		srcPos[0] + srcSize[0], srcPos[1] + srcSize[1], rgb[0], rgb[1], rgb[2], alpha,
+		flag);
+	PRVM_G_FLOAT(OFS_RETURN) = 1;
+}
 
 /*
 =========
diff --git a/prvm_cmds.h b/prvm_cmds.h
index fb483737..8be51b6b 100644
--- a/prvm_cmds.h
+++ b/prvm_cmds.h
@@ -137,6 +137,7 @@ float	drawstring(vector position, string text, vector scale, vector rgb, float a
 float	drawcolorcodedstring(vector position, string text, vector scale, float alpha, float flag)
 float	stringwidth(string text, float handleColors)
 float	drawpic(vector position, string pic, vector size, vector rgb, float alpha, float flag)
+float	drawsubpic(vector position, vector size, string pic, vector srcPos, vector srcSize, vector rgb, float alpha, float flag)
 float	drawfill(vector position, vector size, vector rgb, float alpha, float flag)
 		drawsetcliparea(float x, float y, float width, float height)
 		drawresetcliparea()
@@ -328,6 +329,7 @@ void VM_drawstring(void);
 void VM_drawcolorcodedstring(void);
 void VM_stringwidth(void);
 void VM_drawpic(void);
+void VM_drawsubpic(void);
 void VM_drawfill(void);
 void VM_drawsetcliparea(void);
 void VM_drawresetcliparea(void);
-- 
2.39.2