From 4abefaf1ec4e2545b87516340c4ab21b12d7f3ff Mon Sep 17 00:00:00 2001
From: jacksonmj <mj-pt@jacksonmj.co.uk>
Date: Mon, 3 Oct 2011 19:34:30 +0100
Subject: [PATCH] tpt.drawline

---
 includes/luaconsole.h |  1 +
 src/graphics.c        |  4 ++--
 src/luaconsole.c      | 30 ++++++++++++++++++++++++++++++
 3 files changed, 33 insertions(+), 2 deletions(-)

diff --git a/includes/luaconsole.h b/includes/luaconsole.h
index 2a1df7a28..dc320ad13 100644
--- a/includes/luaconsole.h
+++ b/includes/luaconsole.h
@@ -47,6 +47,7 @@ int luatpt_get_property(lua_State* l);
 int luatpt_drawpixel(lua_State* l);
 int luatpt_drawrect(lua_State* l);
 int luatpt_fillrect(lua_State* l);
+int luatpt_drawline(lua_State* l);
 int luatpt_textwidth(lua_State* l);
 int luatpt_get_name(lua_State* l);
 int luatpt_set_shortcuts(lua_State* l);
diff --git a/src/graphics.c b/src/graphics.c
index 837dc4211..eec594652 100644
--- a/src/graphics.c
+++ b/src/graphics.c
@@ -1379,7 +1379,7 @@ inline void blendpixel(pixel *vid, int x, int y, int r, int g, int b, int a)
 #endif
 {
 #ifdef OpenGL
-	if (x<0 || y<0 || x>=XRES || r>=YRES)
+	if (x<0 || y<0 || x>=XRES+BARSIZE || r>=YRES+MENUSIZE)
 		return;
 	if (a!=255)
 	{
@@ -1390,7 +1390,7 @@ inline void blendpixel(pixel *vid, int x, int y, int r, int g, int b, int a)
 	vid[y*(XRES+BARSIZE)+x] = PIXRGB(r,g,b);
 #else
 	pixel t;
-	if (x<0 || y<0 || x>=XRES || y>=YRES)
+	if (x<0 || y<0 || x>=XRES+BARSIZE || y>=YRES+MENUSIZE)
 		return;
 	if (a!=255)
 	{
diff --git a/src/luaconsole.c b/src/luaconsole.c
index ad33041f9..5cc2bb3f1 100644
--- a/src/luaconsole.c
+++ b/src/luaconsole.c
@@ -30,6 +30,7 @@ void luacon_open(){
 		{"drawpixel", &luatpt_drawpixel},
 		{"drawrect", &luatpt_drawrect},
 		{"fillrect", &luatpt_fillrect},
+		{"drawline", &luatpt_drawline},
 		{"textwidth", &luatpt_textwidth},
 		{"get_name", &luatpt_get_name},
 		{"set_shortcuts", &luatpt_set_shortcuts},
@@ -742,6 +743,35 @@ int luatpt_fillrect(lua_State* l)
 	return luaL_error(l, "Screen buffer does not exist");
 }
 
+int luatpt_drawline(lua_State* l)
+{
+	int x1,y1,x2,y2,r,g,b,a;
+	x1 = luaL_optint(l, 1, 0);
+	y1 = luaL_optint(l, 2, 0);
+	x2 = luaL_optint(l, 3, 10);
+	y2 = luaL_optint(l, 4, 10);
+	r = luaL_optint(l, 5, 255);
+	g = luaL_optint(l, 6, 255);
+	b = luaL_optint(l, 7, 255);
+	a = luaL_optint(l, 8, 255);
+
+	//Don't need to check coordinates, as they are checked in blendpixel
+	if (r<0) r = 0;
+	if (r>255) r = 255;
+	if (g<0) g = 0;
+	if (g>255) g = 255;
+	if (b<0) b = 0;
+	if (b>255) b = 255;
+	if (a<0) a = 0;
+	if (a>255) a = 255;
+	if (vid_buf!=NULL)
+	{
+		blend_line(vid_buf, x1, y1, x2, y2, r, g, b, a);
+		return 0;
+	}
+	return luaL_error(l, "Screen buffer does not exist");
+}
+
 int luatpt_textwidth(lua_State* l)
 {
 	char * string;