commit 1c681797497a892a2d5fa5a044d8b94858bc3eb1
Author: Ginger88895 <soft_ginger@live.cn>
Date:   Tue Sep 22 06:18:24 2015 +0000

    Init

diff --git a/bettertnt/depends.txt b/bettertnt/depends.txt
new file mode 100644
index 0000000..633d6c6
--- /dev/null
+++ b/bettertnt/depends.txt
@@ -0,0 +1,2 @@
+str_helpers
+default
\ No newline at end of file
diff --git a/bettertnt/init.lua b/bettertnt/init.lua
new file mode 100644
index 0000000..84c4a6d
--- /dev/null
+++ b/bettertnt/init.lua
@@ -0,0 +1,371 @@
+local tnt_tables = {["bettertnt:tnt1"] = {r=6},
+					["bettertnt:tnt2"] = {r=1},
+					["bettertnt:tnt3"] = {r=2},
+					["bettertnt:tnt4"] = {r=4},
+					["bettertnt:tnt5"] = {r=6},
+					["bettertnt:tnt6"] = {r=8},
+					["bettertnt:tnt7"] = {r=10},
+					["bettertnt:tnt8"] = {r=12},
+					["bettertnt:tnt9"] = {r=14},
+					["bettertnt:tnt10"] = {r=16},
+					["bettertnt:tnt11"] = {r=18},
+					["bettertnt:tnt12"] = {r=20},
+					["bettertnt:tnt13"] = {r=22},
+					["bettertnt:tnt14"] = {r=25},
+					["bettertnt:tnt15"] = {r=30},
+					["bettertnt:tnt16"] = {r=35},
+					["bettertnt:tnt17"] = {r=40},
+					["bettertnt:tnt18"] = {r=45},
+					["bettertnt:tnt19"] = {r=50},
+					["bettertnt:tnt20"] = {r=55},
+					["bettertnt:tnt21"] = {r=60},
+					["bettertnt:tnt22"] = {r=65},
+					["bettertnt:tnt23"] = {r=70},
+					["bettertnt:tnt24"] = {r=75},
+					["bettertnt:tnt25"] = {r=80},
+					["bettertnt:tnt26"] = {r=85},
+					["bettertnt:tnt27"] = {r=90},
+					["bettertnt:tnt28"] = {r=95},
+					["bettertnt:tnt29"] = {r=100},
+					["bettertnt:tnt30"] = {r=105},
+					["bettertnt:tnt31"] = {r=110},
+					["bettertnt:tnt32"] = {r=115},
+					["bettertnt:tnt33"] = {r=120},
+					["bettertnt:tnt34"] = {r=125},
+					["bettertnt:tnt35"] = {r=130},
+					["bettertnt:tnt36"] = {r=135},
+					["bettertnt:tnt37"] = {r=140},
+					["bettertnt:tnt38"] = {r=145},
+					["bettertnt:tnt39"] = {r=150},
+					["bettertnt:tnt40"] = {r=160},
+}
+				
+
+tnt = {}
+tnt.force = {}
+tnt.accl = {} 
+
+local function is_tnt(name)
+	if tnt_tables[name]~=nil then return true end
+	return false
+end
+
+local function combine_texture(texture_size, frame_count, texture, ani_texture)
+        local l = frame_count
+        local px = 0
+        local combine_textures = ":0,"..px.."="..texture
+        while l ~= 0 do
+                combine_textures = combine_textures..":0,"..px.."="..texture
+                px = px+texture_size
+                l = l-1
+        end
+        return ani_texture.."^[combine:"..texture_size.."x"..texture_size*frame_count..":"..combine_textures.."^"..ani_texture
+end
+
+local animated_tnt_texture = combine_texture(16, 4, "default_tnt_top.png", "bettertnt_top_burning_animated.png")
+	
+tnt_c_tnt = {}
+tnt_c_tnt_burning = {}
+tnt_types_int = {}
+
+for name,data in pairs(tnt_tables) do
+	
+	tnt_types_int[#tnt_types_int] = name
+
+	minetest.register_node(name, {
+		description = "TNT ("..name..")",
+		tiles = {"default_tnt_top.png", "default_tnt_bottom.png", "default_tnt_side.png"},
+		groups = {dig_immediate=2, mesecon=2},
+		sounds = default.node_sound_wood_defaults(),
+		
+		on_punch = function(pos, node, puncher)
+			if puncher:get_wielded_item():get_name() == "default:torch" then
+				if minetest.is_protected(pos, puncher:get_player_name()) then
+					print(puncher:get_player_name() .. " tried to light TNT at " .. minetest.pos_to_string(pos))
+					minetest.record_protection_violation(pos, puncher:get_player_name())
+					return
+				end
+				minetest.sound_play("bettertnt_ignite", {pos=pos})
+				boom(pos, 4, puncher)
+				minetest.set_node(pos, {name=name.."_burning"})
+			end
+		end,
+		
+		mesecons = {
+			effector = {
+				action_on = function(pos, node)
+					boom(pos, 0)
+				end
+			},
+		},
+	})
+	
+	minetest.register_node(name.."_burning", {
+	        tiles = {{name=animated_tnt_texture, animation={type="vertical_frames", aspect_w=16, aspect_h=16, length=1}},
+	        "default_tnt_bottom.png", "default_tnt_side.png"},
+	        light_source = 5,
+	        drop = "",
+	        sounds = default.node_sound_wood_defaults(),
+	})
+	
+	local prev = "bettertnt:tnt"..tonumber(strs:rem_from_start(name, "bettertnt:tnt"))-1
+	if prev=="bettertnt:tnt0" then prev="" end
+	--print(name .. " is made from " .. prev)
+	
+	minetest.register_craft({
+		output = name,
+		recipe = {
+			{"",					"bettertnt:gunpowder",			""						},
+			{"bettertnt:gunpowder",	prev,							"bettertnt:gunpowder"	},
+			{"",					"bettertnt:gunpowder",			""						}
+		}
+	})
+	
+	tnt_c_tnt[#tnt_c_tnt + 1] = minetest.get_content_id(name)
+	tnt_c_tnt_burning[#tnt_c_tnt_burning + 1] = minetest.get_content_id(name.."_burning")
+
+end
+
+
+local function get_tnt_random(pos)
+        return PseudoRandom(math.abs(pos.x+pos.y*3+pos.z*5)+15)
+end
+
+
+
+
+
+function boom(pos, time, player)
+	local id = minetest.get_node(pos).name
+	boom_id(pos, time, player, id)
+end
+
+function boom_id(pos, time, player, id)
+	minetest.after(time, function(pos)
+		
+		local tnt_range = tnt_tables[id].r * 2
+	
+		local t1 = os.clock()
+		pr = get_tnt_random(pos)
+		minetest.sound_play("bettertnt_explode", {pos=pos, gain=1.5, max_hear_distance=tnt_range*64})
+		
+		minetest.remove_node(pos)
+		
+--		local manip = minetest.get_voxel_manip()
+--		local width = tnt_range
+--		local emerged_pos1, emerged_pos2 = manip:read_from_map({x=pos.x-width, y=pos.y-width, z=pos.z-width},
+--		{x=pos.x+width, y=pos.y+width, z=pos.z+width})
+--		area = VoxelArea:new{MinEdge=emerged_pos1, MaxEdge=emerged_pos2}
+--		nodes = manip:get_data()
+--		
+--		local p_pos = area:index(pos.x, pos.y, pos.z)
+--		nodes[p_pos] = tnt_c_air
+		minetest.add_particle(pos, {x=0,y=0,z=0}, {x=0,y=0,z=0}, 0.5, 16, false, "bettertnt_boom.png")
+		--minetest.set_node(pos, {name="tnt:boom"})
+		
+		local objects = minetest.get_objects_inside_radius(pos, tnt_range/2)
+		for _,obj in ipairs(objects) do
+			if obj:is_player() or (obj:get_luaentity() and obj:get_luaentity().name ~= "__builtin:item") then
+				local obj_p = obj:getpos()
+				local vec = {x=obj_p.x-pos.x, y=obj_p.y-pos.y, z=obj_p.z-pos.z}
+				local dist = (vec.x^2+vec.y^2+vec.z^2)^0.5
+				local damage = 0
+				if dist < tnt_range/3.0 then damage = tnt_range end
+				obj:punch(obj, 1.0, {
+					full_punch_interval=1.0,
+					damage_groups={fleshy=damage},
+				}, vec)
+			end
+		end
+		
+		local storedPoses = {}
+		
+		if id~="bettertnt:tnt1" then
+			for dx=-tnt_range,tnt_range do
+				for dz=-tnt_range,tnt_range do
+					for dy=-tnt_range,tnt_range do
+						local p = {x=pos.x+dx, y=pos.y+dy, z=pos.z+dz}
+						----------------------------------------
+						local dist = (dx^2) + (dy^2) + (dz^2)
+						dist = dist^(1/2.0)
+						if dist <= tnt_range then
+							--local p = {x=pos.x+dx, y=pos.y+dy, z=pos.z+dz}
+							--vector.add(p, dir)
+							----------------------------------------
+	--							local p_node = area:index(p.x, p.y, p.z)
+	--							local d_p_node = nodes[p_node]
+							local node = minetest.get_node(p)
+							local nodename = node.name
+							if is_tnt(nodename)==true then
+								minetest.remove_node(p)
+								boom_id(p, 0.5, player, nodename) -- was {x=p.x, y=p.y, z=p.z}
+							elseif nodename~="air" then
+								--if math.abs(dx)<tnt_range and math.abs(dy)<tnt_range and math.abs(dz)<tnt_range then
+								minetest.remove_node(p)
+								--elseif pr:next(1,5) <= 4 then
+								--	destroy(p, player, ents)
+								--end
+							end
+						end
+					end
+				end
+				
+			end
+		end
+		
+		minetest.add_particlespawner(
+			100, --amount
+			1, --time
+			{x=pos.x-(tnt_range / 2), y=pos.y-(tnt_range / 2), z=pos.z-(tnt_range / 2)}, --minpos
+			{x=pos.x+(tnt_range / 2), y=pos.y+(tnt_range / 2), z=pos.z+(tnt_range / 2)}, --maxpos
+			{x=-0, y=-0, z=-0}, --minvel
+			{x=0, y=0, z=0}, --maxvel
+			{x=-0.5,y=5,z=-0.5}, --minacc
+			{x=0.5,y=5,z=0.5}, --maxacc
+			0.1, --minexptime
+			1, --maxexptime
+			8, --minsize
+			15, --maxsize
+			true, --collisiondetection
+			"bettertnt_smoke.png" --texture
+		)
+		print(string.format("[tnt] exploded in: %.2fs", os.clock() - t1))
+	end, pos)
+end
+
+
+
+---------------------  GUNPOWDER  -------------------
+
+
+function burn(pos, player)
+        local nodename = minetest.get_node(pos).name
+        if  strs:starts(nodename, "bettertnt:tnt") then
+                minetest.sound_play("bettertnt_ignite", {pos=pos})
+                boom(pos, 1, player)
+                minetest.set_node(pos, {name=minetest.get_node(pos).name.."_burning"})
+                return
+        end
+        if nodename ~= "bettertnt:gunpowder" then
+                return
+        end
+        minetest.sound_play("bettertnt_gunpowder_burning", {pos=pos, gain=2})
+        minetest.set_node(pos, {name="bettertnt:gunpowder_burning"})
+        
+        minetest.after(1, function(pos)
+                if minetest.get_node(pos).name ~= "bettertnt:gunpowder_burning" then
+                        return
+                end
+                minetest.after(0.5, function(pos)
+                        minetest.remove_node(pos)
+                end, {x=pos.x, y=pos.y, z=pos.z})
+                for dx=-1,1 do
+                        for dz=-1,1 do
+                                for dy=-1,1 do
+                                        pos.x = pos.x+dx
+                                        pos.y = pos.y+dy
+                                        pos.z = pos.z+dz
+                                        
+                                        if not (math.abs(dx) == 1 and math.abs(dz) == 1) then
+                                                if dy == 0 then
+                                                        burn({x=pos.x, y=pos.y, z=pos.z}, player)
+                                                else
+                                                        if math.abs(dx) == 1 or math.abs(dz) == 1 then
+                                                                burn({x=pos.x, y=pos.y, z=pos.z}, player)
+                                                        end
+                                                end
+                                        end
+                                        
+                                        pos.x = pos.x-dx
+                                        pos.y = pos.y-dy
+                                        pos.z = pos.z-dz
+                                end
+                        end
+                end
+        end, pos)
+end
+
+
+minetest.register_node("bettertnt:gunpowder", {
+        description = "Gun Powder",
+        drawtype = "raillike",
+        paramtype = "light",
+        sunlight_propagates = true,
+        walkable = false,
+        tiles = {"bettertnt_gunpowder.png",},
+        inventory_image = "bettertnt_gunpowder_inventory.png",
+        wield_image = "bettertnt_gunpowder_inventory.png",
+        selection_box = {
+                type = "fixed",
+                fixed = {-1/2, -1/2, -1/2, 1/2, -1/2+1/16, 1/2},
+        },
+        groups = {dig_immediate=2,attached_node=1},
+        sounds = default.node_sound_leaves_defaults(),
+        
+        on_punch = function(pos, node, puncher)
+                if puncher:get_wielded_item():get_name() == "default:torch" then
+                        burn(pos, puncher)
+                end
+        end,
+})
+
+minetest.register_node("bettertnt:gunpowder_burning", {
+        drawtype = "raillike",
+        paramtype = "light",
+        sunlight_propagates = true,
+        walkable = false,
+        light_source = 5,
+        tiles = {{name="bettertnt_gunpowder_burning_animated.png", animation={type="vertical_frames", aspect_w=16, aspect_h=16, length=1}}},
+        selection_box = {
+                type = "fixed",
+                fixed = {-1/2, -1/2, -1/2, 1/2, -1/2+1/16, 1/2},
+        },
+        drop = "",
+        groups = {dig_immediate=2,attached_node=1},
+        sounds = default.node_sound_leaves_defaults(),
+})
+
+local tnt_plus_gunpowder = {"bettertnt:gunpowder"}
+for name,data in pairs(tnt_tables) do
+	tnt_plus_gunpowder[#tnt_plus_gunpowder+1] = name
+end
+
+
+minetest.register_abm({
+        nodenames = tnt_plus_gunpowder,
+        neighbors = {"fire:basic_flame"},
+        interval = 2,
+        chance = 10,
+        action = function(pos, node)
+                if tnt_tables[node.name]~=nil then
+                        boom({x=pos.x, y=pos.y, z=pos.z}, 0)
+                else
+                        burn(pos)
+                end
+        end
+})
+
+minetest.register_abm({
+        nodenames = tnt_plus_gunpowder,
+        neighbors = {"tnt:gunpowder"},
+        interval = 2,
+        chance = 10,
+        action = function(pos, node)
+                if tnt_tables[node.name]~=nil then
+                        boom({x=pos.x, y=pos.y, z=pos.z}, 0)
+                else
+                        burn(pos)
+                end
+        end
+})
+
+minetest.register_craft({
+        output = "bettertnt:gunpowder",
+        type = "shapeless",
+        recipe = {"default:coal_lump", "default:gravel", "default:dirt"}
+})
+
+
+tnt_c_air = minetest.get_content_id("air")
+tnt_c_fire = minetest.get_content_id("fire:basic_flame")
+
diff --git a/bettertnt/sounds/bettertnt_explode.ogg b/bettertnt/sounds/bettertnt_explode.ogg
new file mode 100644
index 0000000..a414ea0
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diff --git a/bettertnt/sounds/bettertnt_gunpowder_burning.ogg b/bettertnt/sounds/bettertnt_gunpowder_burning.ogg
new file mode 100644
index 0000000..5c5bfaf
Binary files /dev/null and b/bettertnt/sounds/bettertnt_gunpowder_burning.ogg differ
diff --git a/bettertnt/sounds/bettertnt_ignite.ogg b/bettertnt/sounds/bettertnt_ignite.ogg
new file mode 100644
index 0000000..199f206
Binary files /dev/null and b/bettertnt/sounds/bettertnt_ignite.ogg differ
diff --git a/bettertnt/textures/bettertnt_boom.png b/bettertnt/textures/bettertnt_boom.png
new file mode 100644
index 0000000..e107aaa
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diff --git a/bettertnt/textures/bettertnt_gunpowder.png b/bettertnt/textures/bettertnt_gunpowder.png
new file mode 100644
index 0000000..df6fc3f
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diff --git a/bettertnt/textures/bettertnt_gunpowder_burning_animated.png b/bettertnt/textures/bettertnt_gunpowder_burning_animated.png
new file mode 100644
index 0000000..2f8559b
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diff --git a/bettertnt/textures/bettertnt_gunpowder_inventory.png b/bettertnt/textures/bettertnt_gunpowder_inventory.png
new file mode 100644
index 0000000..a8bfaa7
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diff --git a/bettertnt/textures/bettertnt_smoke.png b/bettertnt/textures/bettertnt_smoke.png
new file mode 100644
index 0000000..7127009
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diff --git a/bettertnt/textures/bettertnt_top_burning_animated.png b/bettertnt/textures/bettertnt_top_burning_animated.png
new file mode 100644
index 0000000..a86554a
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diff --git a/modpack.txt b/modpack.txt
new file mode 100644
index 0000000..e69de29