From a623959a314e544f092c85f037d8b564adc2af45 Mon Sep 17 00:00:00 2001
From: jacob1 <jfu614@gmail.com>
Date: Thu, 4 Oct 2012 10:42:09 -0400
Subject: [PATCH] save stamps on 1 pixel grid (works exactly like in tpt now),
 delete signs with Ctrl+X, also fixes stamps on very bottom/right edge and
 other edge cases

---
 src/game/GameView.cpp         | 21 +++++++++------------
 src/simulation/Simulation.cpp | 34 +++++++++++++++++++++-------------
 2 files changed, 30 insertions(+), 25 deletions(-)

diff --git a/src/game/GameView.cpp b/src/game/GameView.cpp
index 9d900bae5..a1c7f70ee 100644
--- a/src/game/GameView.cpp
+++ b/src/game/GameView.cpp
@@ -942,9 +942,9 @@ void GameView::OnMouseMove(int x, int y, int dx, int dy)
 	if(selectMode!=SelectNone)
 	{
 		if(selectMode==PlaceSave)
-			selectPoint1 = c->NormaliseBlockCoord(c->PointTranslate(ui::Point(x, y)));
+			selectPoint1 = c->PointTranslate(ui::Point(x, y));
 		if(selectPoint1.X!=-1)
-			selectPoint2 = c->NormaliseBlockCoord(c->PointTranslate(ui::Point(x, y)));
+			selectPoint2 = c->PointTranslate(ui::Point(x, y));
 		return;
 	}
 	currentMouse = ui::Point(x, y);
@@ -963,7 +963,7 @@ void GameView::OnMouseDown(int x, int y, unsigned button)
 	{
 		if(button==BUTTON_LEFT)
 		{
-			selectPoint1 = c->NormaliseBlockCoord(c->PointTranslate(ui::Point(x, y)));
+			selectPoint1 = c->PointTranslate(ui::Point(x, y));
 			selectPoint2 = selectPoint1;
 		}
 		return;
@@ -1023,15 +1023,12 @@ void GameView::OnMouseUp(int x, int y, unsigned button)
 				int y2 = (selectPoint1.Y>selectPoint2.Y)?selectPoint1.Y:selectPoint2.Y;
 				int x1 = (selectPoint2.X<selectPoint1.X)?selectPoint2.X:selectPoint1.X;
 				int y1 = (selectPoint2.Y<selectPoint1.Y)?selectPoint2.Y:selectPoint1.Y;
-				if(x2-x1>0 && y2-y1>0)
-				{
-					if(selectMode==SelectCopy)
-						c->CopyRegion(ui::Point(x1, y1), ui::Point(x2, y2));
-					else if(selectMode==SelectCut)
-						c->CutRegion(ui::Point(x1, y1), ui::Point(x2, y2));
-					else if(selectMode==SelectStamp)
-						c->StampRegion(ui::Point(x1, y1), ui::Point(x2, y2));
-				}
+				if(selectMode==SelectCopy)
+					c->CopyRegion(ui::Point(x1, y1), ui::Point(x2, y2));
+				else if(selectMode==SelectCut)
+					c->CutRegion(ui::Point(x1, y1), ui::Point(x2, y2));
+				else if(selectMode==SelectStamp)
+					c->StampRegion(ui::Point(x1, y1), ui::Point(x2, y2));
 			}
 		}
 		currentMouse = ui::Point(x, y);
diff --git a/src/simulation/Simulation.cpp b/src/simulation/Simulation.cpp
index f016112e0..21f810938 100644
--- a/src/simulation/Simulation.cpp
+++ b/src/simulation/Simulation.cpp
@@ -167,7 +167,7 @@ int Simulation::Load(int fullX, int fullY, GameSave * save)
 
 GameSave * Simulation::Save()
 {
-	return Save(0, 0, XRES, YRES);
+	return Save(0, 0, XRES-1, YRES-1);
 }
 
 GameSave * Simulation::Save(int fullX, int fullY, int fullX2, int fullY2)
@@ -192,14 +192,14 @@ GameSave * Simulation::Save(int fullX, int fullY, int fullX2, int fullY2)
 	blockX = fullX/CELL;
 	blockY = fullY/CELL;
 
-	blockX2 = fullX2/CELL;
-	blockY2 = fullY2/CELL;
+	blockX2 = (fullX2+CELL)/CELL;
+	blockY2 = (fullY2+CELL)/CELL;
 
-	fullX = blockX*CELL;
-	fullY = blockY*CELL;
+	//fullX = blockX*CELL;
+	//fullY = blockY*CELL;
 
-	fullX2 = blockX2*CELL;
-	fullY2 = blockY2*CELL;
+	//fullX2 = blockX2*CELL;
+	//fullY2 = blockY2*CELL;
 
 	blockW = blockX2-blockX;
 	blockH = blockY2-blockY;
@@ -216,11 +216,11 @@ GameSave * Simulation::Save(int fullX, int fullY, int fullX2, int fullY2)
 		int x, y;
 		x = int(parts[i].x + 0.5f);
 		y = int(parts[i].y + 0.5f);
-		if(parts[i].type && x >= fullX && y >= fullY && x < fullX2 && y < fullY2)
+		if(parts[i].type && x >= fullX && y >= fullY && x <= fullX2 && y <= fullY2)
 		{
 			Particle tempPart = parts[i];
-			tempPart.x -= fullX;
-			tempPart.y -= fullY;
+			tempPart.x -= blockX*CELL;
+			tempPart.y -= blockY*CELL;
 			if(elements[tempPart.type].Enabled)
 			{
 				*newSave << tempPart;
@@ -243,11 +243,11 @@ GameSave * Simulation::Save(int fullX, int fullY, int fullX2, int fullY2)
 	
 	for(int i = 0; i < MAXSIGNS && i < signs.size(); i++)
 	{
-		if(signs[i].text.length() && signs[i].x >= fullX && signs[i].y >= fullY && signs[i].x < fullX2 && signs[i].y < fullY2)
+		if(signs[i].text.length() && signs[i].x >= fullX && signs[i].y >= fullY && signs[i].x <= fullX2 && signs[i].y <= fullY2)
 		{
 			sign tempSign = signs[i];
-			tempSign.x -= fullX;
-			tempSign.y -= fullY;
+			tempSign.x -= blockX*CELL;
+			tempSign.y -= blockY*CELL;
 			*newSave << tempSign;
 		}
 	}
@@ -340,9 +340,17 @@ void Simulation::clear_area(int area_x, int area_y, int area_w, int area_h)
 			if(bmap[(cy+area_y)/CELL][(cx+area_x)/CELL] == WL_GRAV)
 				gravWallChanged = true;
 			bmap[(cy+area_y)/CELL][(cx+area_x)/CELL] = 0;
+			emap[(cy+area_y)/CELL][(cx+area_x)/CELL] = 0;
 			delete_part(cx+area_x, cy+area_y, 0);
 		}
 	}
+	for(int i = 0; i < MAXSIGNS && i < signs.size(); i++)
+	{
+		if(signs[i].text.length() && signs[i].x >= area_x && signs[i].y >= area_y && signs[i].x <= area_x+area_w && signs[i].y <= area_y+area_h)
+		{
+			signs.erase(signs.begin()+i);
+		}
+	}
 }
 
 void Simulation::CreateBox(int x1, int y1, int x2, int y2, int c, int flags)