added chess

README.txt

@@ -84,6 +84,7 @@ bobblocks - http://minetest.net/forum/viewtopic.php?id=1274
 building_blocks - http://minetest.net/forum/viewtopic.php?id=674
 castle_wall - http://minetest.net/forum/viewtopic.php?id=2460
 castle_grille - http://minetest.net/forum/viewtopic.php?id=1241
+chess - http://minetest.net/forum/viewtopic.php?id=2784
 clock_face - http://minetest.net/forum/viewtopic.php?id=807
 craft_guide - http://minetest.net/forum/viewtopic.php?id=2334
 fireplace - http://minetest.net/forum/viewtopic.php?id=1695

mods/blocks/chess/README.md

@@ -0,0 +1,4 @@
+chess
+=====
+
+Chess mod for minetest

mods/blocks/chess/init.lua

@@ -0,0 +1,193 @@
+-- CHESS MOD
+-- ======================================
+-- chess/init.lua
+-- ======================================
+-- Registers the basic chess stuff
+--
+-- Contents:
+--
+-- [regis] Spawn Block
+-- [craft] Spawn Block
+-- [regis] board_black
+-- [regis] board_white
+-- ======================================
+
+dofile(minetest.get_modpath("chess").."/pieces.lua")
+dofile(minetest.get_modpath("chess").."/rules.lua")
+
+local letters = {"a", "b", "c", "d", "e", "f", "g", "h"}
+
+local size = 9 --total width(10) including the border coordinate 0,0
+local innerSize = 8 --inner width(8) including the coordinate 1,1
+
+-- Register the spawn block
+minetest.register_node("chess:spawn",{
+    description = "Chess Board",
+    tile_images = {"chess_border_spawn.png", "chess_board_black.png", "chess_board_black.png^chess_border_side.png"},
+    inventory_image = "chess_spawn.png",
+	  groups = {tree=1,snappy=1,choppy=2,oddly_breakable_by_hand=1,flammable=2},
+    after_dig_node = function(pos, node, digger)
+        
+        local size = 9
+        
+        local p = {x=pos.x+1, y=pos.y, z=pos.z+1}
+        local n = minetest.env:get_node(p)
+        
+        if n.name == "chess:board_black" then 
+            for i = size, 0, -1 do
+                for ii = size, 0, -1 do
+                    
+                    --remove board
+                    local p = {x=pos.x+i, y=pos.y, z=pos.z+ii}
+                    minetest.env:remove_node(p)
+                    
+                    --remove pieces ontop
+                    local p = {x=pos.x+i, y=pos.y+1, z=pos.z+ii}
+                    minetest.env:remove_node(p)
+                    
+                end
+            end
+        end
+    end,
+    on_punch = function(pos)
+        
+        --reset the pieces
+        
+    end,
+    after_place_node = function(pos, placer)
+        --place chess board
+        
+        local isFree = true
+        
+        for i = size, 0, -1 do
+            for ii = size, 0, -1 do
+                for iii = 1, 0, -1 do
+                    if (isFree) then
+                        
+                        local p = {x=pos.x+i, y=pos.y+iii, z=pos.z+ii}
+                        local n = minetest.env:get_node(p)
+                        
+                        if(n.name ~= "air" and n.name ~= "chess:spawn") then
+                            isFree = false
+                            minetest.chat_send_all("Cannot place chess board")
+                        end
+                    end
+                end
+            end
+        end
+        
+        
+        if (isFree) then
+            minetest.chat_send_all("Chess board has been placed, let the match begin!")
+            for i = size, 0, -1 do
+                for ii = size, 0, -1 do
+                    --place chessboard
+                    local p = {x=pos.x+i, y=pos.y, z=pos.z+ii}
+                    local p_top = {x=pos.x+i, y=pos.y+1, z=pos.z+ii}
+                    
+                    if (ii == 0) or (ii == size) or (i ==0) or (i == size) then --if border
+                        
+                        if (ii == 0) and (i < size) and (i > 0) then --letters
+                            minetest.env:add_node(p, {name="chess:border_" .. letters[i]})
+                        end
+                        
+                        if (i == 0) and (ii < size) and (ii > 0) then --letters
+                            minetest.env:add_node(p, {name="chess:border_" .. ii})
+                        end
+                        
+                        if (i == size) or (ii == size) then
+                            minetest.env:add_node(p, {name="chess:border"})
+                        end
+                        
+                        
+                    else--if inside border
+                        if (((ii+i)/2) == math.floor((ii+i)/2)) then
+                            minetest.env:add_node(p, {name="chess:board_black"})
+                        else
+                            minetest.env:add_node(p, {name="chess:board_white"})
+                        end
+                    end
+                    --place peaces
+                    local face = 2
+                    if (ii == 2) and (i>0) and (i<size) then --pawns
+                        minetest.env:add_node(p_top, {name="chess:pawn_black", param2 = face})
+                    end
+                    
+                    if (ii == 1) then --behind pawns
+                        if (i == 1 or i == 8) then minetest.env:add_node(p_top, {name="chess:rook_black", param2 = face}) end
+                        if (i == 2 or i == 7) then minetest.env:add_node(p_top, {name="chess:knight_black", param2 = face}) end
+                        if (i == 3 or i == 6) then minetest.env:add_node(p_top, {name="chess:bishop_black", param2 = face}) end
+                        if (i == 4) then minetest.env:add_node(p_top, {name="chess:queen_black", param2 = face}) end
+                        if (i == 5) then minetest.env:add_node(p_top, {name="chess:king_black", param2 = face}) end
+                    end
+
+                    --white pieces
+                    local face = 0
+                    if (ii == 7) and (i>0) and (i<size) then --pawns
+                        minetest.env:add_node(p_top, {name="chess:pawn_white", param2 = face})
+                    end
+                    
+                    if (ii == 8) then --behind pawns
+                        if (i == 1 or i == 8) then minetest.env:add_node(p_top, {name="chess:rook_white", param2 = face}) end
+                        if (i == 2 or i == 7) then minetest.env:add_node(p_top, {name="chess:knight_white", param2 = face}) end
+                        if (i == 3 or i == 6) then minetest.env:add_node(p_top, {name="chess:bishop_white", param2 = face}) end
+                        if (i == 4) then minetest.env:add_node(p_top, {name="chess:queen_white", param2 = face}) end
+                        if (i == 5) then minetest.env:add_node(p_top, {name="chess:king_white", param2 = face}) end
+                    end
+                end
+            end
+        end
+    end,
+})
+
+-- Add crafting for the spawn block
+minetest.register_craft({
+    output="chess:spawn",
+    recipe = {
+        {'default:mese','default:mese','default:mese'},
+        {'default:mese','default:mese','default:mese'},
+        {'default:mese','default:mese','default:mese'},
+    }
+})
+
+--Register the Board Blocks: white
+minetest.register_node("chess:board_white",{
+    description = "White Chess Board Piece",
+    tile_images = {"chess_board_white.png"},
+    inventory_image = "chess_board_white.png",
+    groups = {indestructable},
+})
+
+--Register the Board Blocks: black
+minetest.register_node("chess:board_black",{
+    description = "Black Chess Board Piece",
+    tile_images = {"chess_board_black.png"},
+    inventory_image = "chess_board_black.png",
+    groups = {indestructable},
+})
+
+minetest.register_node("chess:border",{
+    description = "Black Chess Board Piece",
+    tile_images = {"chess_board_black.png", "chess_board_black.png", "chess_board_black.png^chess_border_side.png"},
+    inventory_image = "chess_board_black.png",
+    groups = {indestructable},
+})
+
+for iii = innerSize, 1, -1 do
+    print("chess_border_" .. letters[iii] .. ".png")
+    minetest.register_node("chess:border_" .. letters[iii],{
+        description = "White Chess Board Piece",
+        tile_images = {"chess_board_black.png^chess_border_" .. letters[iii] .. ".png", "chess_board_black.png", "chess_board_black.png^chess_border_side.png"},
+        inventory_image = "chess_board_white.png",
+        groups = {indestructable},
+    })
+    
+    print("chess_border_" .. iii .. ".png")
+    minetest.register_node("chess:border_" .. iii,{
+        description = "White Chess Board Piece",
+        tile_images = {"chess_board_black.png^chess_border_" .. iii .. ".png", "chess_board_black.png", "chess_board_black.png^chess_border_side.png"},
+        inventory_image = "chess_board_white.png",
+        groups = {indestructable},
+    })
+end
+

mods/blocks/chess/pieces.lua

@@ -0,0 +1,229 @@
+-- CHESS MOD
+-- ======================================
+-- chess/pieces.lua
+-- ======================================
+-- Registers the chess pieces
+--
+-- Contents:
+--
+-- [loop] registers pieces
+-- ======================================
+
+local colors = {"black", "white",}
+
+local piece_group = {snappy=3}
+
+--make a loop which makes the black and white nodes and crafting recipes
+
+for color = 1, 2 do
+    --Pawn
+    minetest.register_node("chess:pawn_"..colors[color],
+    {
+        description = 'Pawn',
+        groups = {snappy = 2},
+        tiles = {"chess_piece_"..colors[color].."_top.png", "chess_piece_"..colors[color].."_top.png", "chess_piece_"..colors[color]..".png", "chess_piece_"..colors[color]..".png", "chess_piece_"..colors[color].."_side.png", "chess_piece_"..colors[color].."_side.png"},
+        drawtype = "nodebox",
+        sunlight_propagates = true,
+        paramtype = 'light',
+        paramtype2 = "facedir",
+        light_source = 8, --max light is 18
+        node_box = {
+        type = "fixed",
+        fixed = {
+        {-0.2, -0.5, -0.3, 0.2, -0.4, 0.3},
+		{-0.3, -0.5, -0.2, 0.3, -0.4, 0.2},
+        {-0.1, -0.4, -0.2, 0.1, -0.3, 0.2},
+        {-0.2, -0.4, -0.1, 0.2, -0.3, 0.1},
+        {-0.1, -0.3, -0.1, 0.1, 0.2, 0.1},
+        {-0.2, -0.1, -0.1, 0.2, 0.1, 0.1},
+        {-0.1, -0.1, -0.2, 0.1, 0.1, 0.2},
+        },
+        },
+        selection_box = {
+        type = "fixed",
+        fixed = {-0.3, -0.5, -0.3, 0.3, 0.2, 0.3},
+        },
+        groups = piece_group
+    })
+
+    --Rook
+    minetest.register_node("chess:rook_"..colors[color],
+    {
+        description = 'Rook',
+        groups = {snappy = 2},
+        tiles = {"chess_piece_"..colors[color].."_top.png", "chess_piece_"..colors[color].."_top.png", "chess_piece_"..colors[color]..".png", "chess_piece_"..colors[color]..".png", "chess_piece_"..colors[color].."_side.png", "chess_piece_"..colors[color].."_side.png"},
+        drawtype = "nodebox",
+        sunlight_propagates = true,
+        paramtype = 'light',
+        paramtype2 = "facedir",
+        light_source = 8, --max light is 18
+        node_box = {
+        type = "fixed",
+        fixed = {
+		{-0.2, -0.5, -0.3, 0.2, -0.4, 0.3},
+		{-0.3, -0.5, -0.2, 0.3, -0.4, 0.2},
+		{-0.1, -0.4, -0.2, 0.1, -0.3, 0.2},
+		{-0.2, -0.4, -0.1, 0.2, -0.3, 0.1},
+		{-0.1, -0.3, -0.1, 0.1, 0.2, 0.1},
+		{-0.1, 0.2, -0.2, 0.1, 0.3, 0.2 },
+		{-0.2, 0.2, -0.1, 0.2, 0.3, 0.1},
+		{-0.2, 0.3, -0.2, 0.2, 0.4, 0.2},
+		{-0.2, 0.4, -0.2, -0.1, 0.5, -0.1},
+		{-0.05, 0.4, -0.2, 0.05, 0.5, -0.1},
+		{0.1, 0.4, -0.2, 0.2, 0.5, -0.1},
+		{-0.2, 0.4, -0.05, -0.1, 0.5, 0.05},
+		{0.1, 0.4, -0.05, 0.2, 0.5, 0.05},
+		{-0.2, 0.4, 0.1, -0.1, 0.5, 0.2},
+		{-0.05, 0.4, 0.1, 0.05, 0.5, 0.2},
+		{0.1, 0.4, 0.1, 0.2, 0.5, 0.2},
+        },
+		},
+		selection_box = {
+        type = "fixed",
+        fixed = {-0.3, -0.5, -0.3, 0.3, 0.5, 0.3},
+		},
+        groups = piece_group
+    })
+
+    --Knight
+    minetest.register_node("chess:knight_"..colors[color],
+    {
+        description = 'Knight',
+        groups = {snappy = 2},
+        tiles = {"chess_piece_"..colors[color].."_top.png", "chess_piece_"..colors[color].."_top.png", "chess_piece_"..colors[color]..".png", "chess_piece_"..colors[color]..".png", "chess_piece_"..colors[color].."_side.png", "chess_piece_"..colors[color].."_side.png"},
+        drawtype = "nodebox",
+        sunlight_propagates = true,
+        paramtype = 'light',
+        paramtype2 = "facedir",
+        light_source = 8, --max light is 18
+        node_box = {
+        type = "fixed",
+        fixed = {
+		{-0.2, -0.5, -0.3, 0.2, -0.4, 0.3},
+		{-0.3, -0.5, -0.2, 0.3, -0.4, 0.2},
+		{-0.1, -0.4, -0.2, 0.1, -0.3, 0.2},
+		{-0.2, -0.4, -0.1, 0.2, -0.3, 0.1},
+		{-0.1, -0.3, -0.1, 0.1, 0.45, 0.1},
+		{-0.1, -0.2, -0.2, 0.1, 0.1, 0.15},
+		{-0.15, -0.2, -0.1, 0.15, 0.1, 0.1},
+		{-0.1, 0.2, -0.25, 0.1, 0.35, 0.15},
+		{-0.1, 0.45, 0.01, -0.07, 0.5, 0.06},
+		{0.07, 0.45, 0.01, 0.1, 0.5, 0.06},
+        },
+		},
+		selection_box = {
+        type = "fixed",
+        fixed = {-0.3, -0.5, -0.3, 0.3, 0.5, 0.3},
+		},
+        groups = piece_group
+    })
+
+    --Bishop
+    
+    minetest.register_node("chess:bishop_"..colors[color],
+    {
+        description = 'Bishop',
+        groups = {snappy = 2},
+        tiles = {"chess_piece_"..colors[color].."_top.png", "chess_piece_"..colors[color].."_top.png", "chess_piece_"..colors[color]..".png", "chess_piece_"..colors[color]..".png", "chess_piece_"..colors[color].."_side.png", "chess_piece_"..colors[color].."_side.png"},
+        drawtype = "nodebox",
+        sunlight_propagates = true,
+        paramtype = 'light',
+        paramtype2 = "facedir",
+        light_source = 8, --max light is 18
+        node_box = {
+        type = "fixed",
+        fixed = {
+        {-0.2, -0.5, -0.3, 0.2, -0.4, 0.3},
+		{-0.3, -0.5, -0.2, 0.3, -0.4, 0.2},
+		{-0.1, -0.4, -0.2, 0.1, -0.3, 0.2},
+		{-0.2, -0.4, -0.1, 0.2, -0.3, 0.1},
+		{-0.1, -0.3, -0.1, 0.1, 0.4, 0.1},
+		{-0.1, 0, -0.2, 0.1, 0.1, 0.2},		
+		{-0.2, 0, -0.1, 0.2, 0.1, 0.1},
+		{-0.1, 0.15, -0.2, 0.1, 0.35, 0.2},
+		{-0.2, 0.15, -0.1, 0.2, 0.35, 0.1 },
+		{-0.05, 0.4, -0.05, 0.05, 0.5, 0.05},        
+        },
+        },
+        selection_box = {
+        type = "fixed",
+        fixed = {-0.3, -0.5, -0.3, 0.3, 0.5, 0.3},
+        },
+        groups = piece_group
+    })
+
+    --Queen
+    minetest.register_node("chess:queen_"..colors[color],
+    {
+        description = 'Queen',
+        groups = {snappy = 2},
+        tiles = {"chess_piece_"..colors[color].."_top.png", "chess_piece_"..colors[color].."_top.png", "chess_piece_"..colors[color]..".png", "chess_piece_"..colors[color]..".png", "chess_piece_"..colors[color].."_side.png", "chess_piece_"..colors[color].."_side.png"},
+        drawtype = "nodebox",
+        sunlight_propagates = true,
+        paramtype = 'light',
+        paramtype2 = "facedir",
+        light_source = 8, --max light is 18
+        node_box = {
+        type = "fixed",
+        fixed = {
+		{-0.2, -0.5, -0.3, 0.2, -0.4, 0.3},
+		{-0.3, -0.5, -0.2, 0.3, -0.4, 0.2},
+		{-0.1, -0.4, -0.2, 0.1, -0.3, 0.2},
+		{-0.2, -0.4, -0.1, 0.2, -0.3, 0.1},
+		{-0.1, -0.3, -0.1, 0.1, 0.2, 0.1},
+		{-0.1, 0, -0.2, 0.1, 0.1, 0.2},
+		{-0.2, 0, -0.1, 0.2, 0.1, 0.1},
+		{-0.1, 0.2, -0.2, 0.1, 0.4, 0.2},
+		{-0.2, 0.2, -0.1, 0.2, 0.4, 0.1},
+		{-0.07, 0.4, -0.19, 0.07, 0.44, -0.11},
+		{-0.07, 0.4, 0.11, 0.07, 0.44, 0.19},
+		{-0.19, 0.4, -0.07, -0.11, 0.44, 0.07},
+		{0.11, 0.4, -0.07, 0.19, 0.44, 0.07},
+		{-0.04, 0.4, -0.07, 0.04, 0.46, 0.07},
+		{-0.07, 0.4, -0.04, 0.07, 0.46, 0.04},
+		{-0.04, 0.46, -0.04, 0.04, 0.49, 0.04},
+        },
+		},
+		selection_box = {
+        type = "fixed",
+        fixed = {-0.3, -0.5, -0.3, 0.3, 0.5, 0.3},
+		},
+        groups = piece_group
+    })
+
+    --King
+    minetest.register_node("chess:king_"..colors[color],
+    {
+        description = 'King',
+        groups = {snappy = 2},
+        tiles = {"chess_piece_"..colors[color].."_top.png", "chess_piece_"..colors[color].."_top.png", "chess_piece_"..colors[color]..".png", "chess_piece_"..colors[color]..".png", "chess_piece_"..colors[color].."_side.png", "chess_piece_"..colors[color].."_side.png"},
+        drawtype = "nodebox",
+        sunlight_propagates = true,
+        paramtype = 'light',
+        paramtype2 = "facedir",
+        light_source = 8, --max light is 18
+        node_box = {
+        type = "fixed",
+        fixed = {
+		{-0.2, -0.5, -0.3, 0.2, -0.4, 0.3},
+		{-0.3, -0.5, -0.2, 0.3, -0.4, 0.2},
+		{-0.1, -0.4, -0.2, 0.1, -0.3, 0.2},
+		{-0.2, -0.4, -0.1, 0.2, -0.3, 0.1},
+		{-0.1, -0.3, -0.1, 0.1, 0.2, 0.1},
+		{-0.1, 0, -0.2, 0.1, 0.1, 0.2},
+		{-0.2, 0, -0.1, 0.2, 0.1, 0.1},
+		{-0.1, 0.2, -0.2, 0.1, 0.4, 0.2},
+		{-0.2, 0.2, -0.1, 0.2, 0.4, 0.1},
+		{-0.02, 0.4, -0.02, 0.02, 0.5, 0.02},
+		{-0.02, 0.43, -0.05, 0.02, 0.47, 0.05},
+		{-0.05, 0.43, -0.02, 0.05, 0.47, 0.02},
+        },
+		},
+		selection_box = {
+        type = "fixed",
+        fixed = {-0.3, -0.5, -0.3, 0.3, 0.5, 0.3},
+		},
+        groups = piece_group
+    })
+
+end

mods/blocks/chess/rules.lua

@@ -0,0 +1,12 @@
+-- CHESS MOD
+-- =================================================
+-- chess/rules.lua
+-- =================================================
+-- Registers the chess pieces
+--
+-- Contents:
+--
+-- [func] update(command) - Manages /move rook to A6
+-- [func] checkMove(piece,target) - checks the piece can get there
+-- [func] takePiece(piece)
+-- =================================================