From ec5a365174a513b6c83addfaaa4b7490ead6fb47 Mon Sep 17 00:00:00 2001
From: "Valeriano A.R" <valen.alfonso@gmail.com>
Date: Sun, 24 Aug 2014 15:56:47 +0200
Subject: [PATCH] Draw_DrawImgPart y Draw_DrawImgPartHoriz

---
 GameLib/Anim.c |  2 +-
 GameLib/Draw.c | 39 ++++++++++++++++++++++++++++++++++++---
 GameLib/Draw.h |  9 ++++++++-
 3 files changed, 45 insertions(+), 5 deletions(-)

diff --git a/GameLib/Anim.c b/GameLib/Anim.c
index f0a73e8..0901012 100644
--- a/GameLib/Anim.c
+++ b/GameLib/Anim.c
@@ -102,7 +102,7 @@ void Anim_Draw(Anim a,int time_ms,int x,int y){
 	int frame;
 
 	frame=(time_ms/anim->ftime)%anim->frames;
-	Draw_DrawImgPart(anim->img,x,y,anim->w,frame);
+	Draw_DrawImgPartHoriz(anim->img,x,y,anim->w,frame);
 }
 
 
diff --git a/GameLib/Draw.c b/GameLib/Draw.c
index f1c9fb9..4e72078 100644
--- a/GameLib/Draw.c
+++ b/GameLib/Draw.c
@@ -739,12 +739,45 @@ void Draw_DrawImgResized(DrawImg img,int x,int y,float w,float h){
 }
 
 
-
 /////////////////////////////
 // Draw_DrawImgPart
 //
 // Draws an image part.
-void Draw_DrawImgPart(DrawImg img,int x,int y,int w,int i){
+void Draw_DrawImgPart(DrawImg img,int x,int y,int w,int h,int i,int j){
+	DrawImage image=img;
+	int x1,x2,y1,y2;
+	float us,u1,u2;
+	float vs,v1,v2;
+
+	// Prepare
+	x1=x+image->x;
+	y1=_height-(y+image->y);
+	x2=(x+image->x)+w;
+	y2=_height-((y+image->y)+h);
+	us=1.0f/image->w;
+	u1=us*i*w;
+	u2=u1+(us*w);
+	vs=1.0f/image->h;
+	v1=vs*j*h;
+	v2=v1+(vs*h);
+
+	// Draw a quad
+	if(_currentImg!=image){
+		Draw_Flush();
+		_currentImg=image;
+	}
+	QuadArray2D_AddQuad(_quadArray,
+		x1,y1,u1,v1,
+		x2,y2,u2,v2,
+		_color);
+}
+
+
+/////////////////////////////
+// Draw_DrawImgPartHoriz
+//
+// Draws an image part horizontally.
+void Draw_DrawImgPartHoriz(DrawImg img,int x,int y,int w,int i){
 	DrawImage image=img;
 	int x1,x2,y1,y2;
 	float us,u1,u2;
@@ -885,7 +918,7 @@ void Draw_DrawText(DrawFnt f,char *text,int x,int y){
 	ptr=text;
 	while(*ptr){
 		if((*ptr)<font->max){
-			Draw_DrawImgPart(font->img,x,y,font->w,(*ptr)-font->min);
+			Draw_DrawImgPartHoriz(font->img,x,y,font->w,(*ptr)-font->min);
 		}
 		x+=font->w;
 		ptr++;
diff --git a/GameLib/Draw.h b/GameLib/Draw.h
index 03ab494..95bcc78 100644
--- a/GameLib/Draw.h
+++ b/GameLib/Draw.h
@@ -106,7 +106,14 @@ void Draw_DrawImgResized(DrawImg img,int x,int y,float w,float h);
 // Draw_DrawImgPart
 //
 // Draws an image part.
-void Draw_DrawImgPart(DrawImg img,int x,int y,int w,int i);
+void Draw_DrawImgPart(DrawImg img,int x,int y,int w,int h,int i,int j);
+
+
+/////////////////////////////
+// Draw_DrawImgPartHoriz
+//
+// Draws an image part horizontally.
+void Draw_DrawImgPartHoriz(DrawImg img,int x,int y,int w,int i);
 
 
 /////////////////////////////