From 5e16f6fdebfb4a3746be0b923de62a004440f4eb Mon Sep 17 00:00:00 2001
From: JailDoctor <jaildoctor@gmail.com>
Date: Sat, 28 Jan 2023 10:06:10 +0100
Subject: [PATCH] - [NEW][EDITOR] Cloning stamp

---
 data/editor.lua | 68 +++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 63 insertions(+), 5 deletions(-)

diff --git a/data/editor.lua b/data/editor.lua
index 7a6b288..cee987a 100644
--- a/data/editor.lua
+++ b/data/editor.lua
@@ -1,7 +1,9 @@
 editor={
     paused=true,
     cam={x=0,y=0},
-    selected_tile=3,
+    --selected_tile=3,
+    brush={w=1,h=1,tiles={3}},
+    selection=nil,
 
     init=function()
         set_update(editor.update)
@@ -27,6 +29,35 @@ editor={
         if y>0 and mget(x,y-1)==t then editor.floodfill(x,y-1,tile) end
     end,
 
+    create_stamp=function()
+        local tx1,ty1,tx2,ty2=editor.selection.x1,editor.selection.y1,editor.selection.x2,editor.selection.y2
+        if tx1>tx2 then tx1,tx2=tx2,tx1 end
+        if ty1>ty2 then ty1,ty2=ty2,ty1 end
+        editor.brush.w=tx2-tx1+1
+        editor.brush.h=ty2-ty1+1
+        local w,h=editor.brush.w,editor.brush.h
+        local p=1
+        for y=1,h do
+            for x=1,w do
+                editor.brush.tiles[p]=mget(tx1+x-1,ty1+y-1)
+                --mset(tx+x-1,ty+y-1,editor.brush.tiles[p])
+                p=p+1
+            end
+        end
+
+    end,
+
+    stamp=function(tx,ty)
+        local w,h=editor.brush.w,editor.brush.h
+        local p=1
+        for y=1,h do
+            for x=1,w do
+                mset(tx+x-1,ty+y-1,editor.brush.tiles[p])
+                p=p+1
+            end
+        end
+    end,
+
     update=function()
         cls()
         camera(editor.cam.x, editor.cam.y)
@@ -36,11 +67,35 @@ editor={
         local tx,ty=mx>>3,my>>3
         local rx,ry=tx<<3,ty<<3
         rect(rx-1, ry-1, rx+8, ry+8, 10)
+        if editor.selection then
+            local rx1,ry1,rx2,ry2=editor.selection.x1<<3,editor.selection.y1<<3,editor.selection.x2<<3,editor.selection.y2<<3
+            if rx1>rx2 then rx1,rx2=rx2,rx1 end
+            if ry1>ry2 then ry1,ry2=ry2,ry1 end
+            rect(rx1-1, ry1-1, rx2+8, ry2+8, 8)
+        end
         camera(0,0)
 
         if not editor.paused then
             if mbtn(1) then
-                mset(tx,ty,editor.selected_tile)
+                editor.stamp(tx,ty)
+                --mset(tx,ty,editor.brush.tiles[1])
+            end
+            if mbtn(3) then
+                if editor.selection then
+                    editor.selection.x2=tx
+                    editor.selection.y2=ty
+                else
+                    editor.selection={}
+                    editor.selection.x1=tx
+                    editor.selection.y1=ty
+                    editor.selection.x2=tx
+                    editor.selection.y2=ty
+                end
+            else
+                if editor.selection then
+                    editor.create_stamp()
+                    editor.selection=nil
+                end
             end
 
             if btnp(KEY_RIGHT) then editor.cam.x=editor.cam.x+8 end
@@ -48,10 +103,10 @@ editor={
             if btnp(KEY_UP) then editor.cam.y=editor.cam.y-8 end
             if btnp(KEY_DOWN) then editor.cam.y=editor.cam.y+8 end
             if btnp(KEY_F) then
-                editor.floodfill(tx,ty,editor.selected_tile)
+                editor.floodfill(tx,ty,editor.brush.tiles[1])
             end
             if btnp(KEY_RETURN) then
-                editor.selected_tile=mget(tx,ty)
+                editor.brush.tiles[1]=mget(tx,ty)
             end
             if btnp(KEY_ESCAPE) then
                 editor.paused=true
@@ -78,7 +133,10 @@ editor={
 
         if mbtnp(1) then
             if tx<16 and ty<16 then
-                editor.selected_tile=ty*16+tx
+                editor.brush.w=1
+                editor.brush.h=1
+                editor.brush.tiles={}
+                editor.brush.tiles[1]=ty*16+tx
             end
             update=editor.update
         end