lib/lua/CMakeLists.txt


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cmake_minimum_required(VERSION 2.4 FATAL_ERROR)

project(lua C)

set(LUA_VERSION_MAJOR 5)
set(LUA_VERSION_MINOR 1)
set(LUA_VERSION_PATCH 4)
set(LUA_VERSION "${LUA_VERSION_MAJOR}.${LUA_VERSION_MINOR}.${LUA_VERSION_PATCH}")

set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)

set(COMMON_CFLAGS)
set(COMMON_LDFLAGS)
set(LIBS)

if(APPLE)
	set(DEFAULT_POSIX TRUE)
	set(DEFAULT_DLOPEN ON)
	# use this on Mac OS X 10.3-
	option(LUA_USE_MACOSX "Mac OS X 10.3-" OFF)
elseif(UNIX OR CYGWIN)
	set(DEFAULT_POSIX TRUE)
elseif(WIN32)
	set(LUA_WIN TRUE)
	set(COMMON_CFLAGS "${COMMON_CFLAGS} -DLUA_BUILD_AS_DLL")
else()
	set(DEFAULT_ANSI TRUE)
endif()

if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
	set(COMMON_LDFLAGS "${COMMON_LDFLAGS} -Wl,-E -lm")
	set(DEFAULT_DLOPEN ON)
endif()

# For "Mac OS X 10.3-"
if(LUA_USE_MACOSX)
	set(COMMON_CFLAGS "${COMMON_CFLAGS} -DLUA_USE_MACOSX")
	set(LUA_USE_DLOPEN FALSE)
endif(LUA_USE_MACOSX)

option(LUA_USE_DLOPEN "Enable dlopen support." ${DEFAULT_DLOPEN})
mark_as_advanced(LUA_USE_DLOPEN)

option(LUA_ANSI "Disable non-ANSI features." ${DEFAULT_ANSI})
mark_as_advanced(LUA_ANSI)

if(LUA_USE_DLOPEN)
	set(COMMON_CFLAGS "${COMMON_CFLAGS} -DLUA_USE_DLOPEN")
	if(NOT APPLE)
		set(COMMON_LDFLAGS "${COMMON_LDFLAGS} -ldl ")
	endif(NOT APPLE)
endif(LUA_USE_DLOPEN)

if(DEFAULT_POSIX)
	set(COMMON_CFLAGS "${COMMON_CFLAGS} -DLUA_USE_POSIX")
endif(DEFAULT_POSIX)

if(LUA_ANSI)
	set(COMMON_CFLAGS "${COMMON_CFLAGS} -DLUA_ANSI")
endif(LUA_ANSI)

# COMMON_CFLAGS has no effect without this line
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${COMMON_CFLAGS}")


# Standard flags to use for each build type.
if(CMAKE_COMPILER_IS_GNUCC)
	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pipe -Wall -Wextra -Wshadow -W -pedantic -std=gnu99")
	set(CMAKE_C_FLAGS_RELEASE        "${CMAKE_C_FLAGS_RELEASE}     -O2")
	set(CMAKE_C_FLAGS_DEBUG          "${CMAKE_C_FLAGS_DEBUG}       -O0 -g")
	set(CMAKE_C_FLAGS_PROFILE        "${CMAKE_C_FLAGS_PROFILE}     -O1 -g")
	set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_WITHDEBINFO} -O2 -g")
endif(CMAKE_COMPILER_IS_GNUCC)


add_subdirectory(src build)
-- Test Nodes: Node property tests

local S = minetest.get_translator("testnodes")

-- Is supposed to fall when it doesn't rest on solid ground
minetest.register_node("testnodes:falling", {
	description = S("Falling Node"),
	tiles = {
		"testnodes_node.png",
		"testnodes_node.png",
		"testnodes_node_falling.png",
	},
	groups = { falling_node = 1, dig_immediate = 3 },
})

-- Same as falling node, but will stop falling on top of liquids
minetest.register_node("testnodes:falling_float", {
	description = S("Falling+Floating Node"),
	groups = { falling_node = 1, float = 1, dig_immediate = 3 },


	tiles = {
		"testnodes_node.png",
		"testnodes_node.png",
		"testnodes_node_falling.png",
	},
	color = "cyan",
})

-- This node attaches to the floor and drops as item
-- when the floor is gone.
minetest.register_node("testnodes:attached", {
	description = S("Floor-Attached Node"),
	tiles = {
		"testnodes_attached_top.png",
		"testnodes_attached_bottom.png",
		"testnodes_attached_side.png",
	},
	groups = { attached_node = 1, dig_immediate = 3 },
})

-- This node attaches to the side of a node and drops as item
-- when the node it attaches to is gone.
minetest.register_node("testnodes:attached_wallmounted", {
	description = S("Wallmounted Attached Node"),
	paramtype2 = "wallmounted",
	tiles = {
		"testnodes_attachedw_top.png",
		"testnodes_attachedw_bottom.png",
		"testnodes_attachedw_side.png",
	},
	groups = { attached_node = 1, dig_immediate = 3 },
})

-- Jump disabled
minetest.register_node("testnodes:nojump", {
	description = S("Non-jumping Node"),
	groups = {disable_jump=1, dig_immediate=3},
	tiles = {"testnodes_nojump_top.png", "testnodes_nojump_side.png"},
})

-- Jump disabled plant
minetest.register_node("testnodes:nojump_walkable", {
	description = S("Non-jumping Plant Node"),
	drawtype = "plantlike",
	groups = {disable_jump=1, dig_immediate=3},
	walkable = false,
	tiles = {"testnodes_nojump_top.png"},
})

-- Climbable up and down with jump and sneak keys
minetest.register_node("testnodes:climbable", {
	description = S("Climbable Node"),
	climbable = true,
	walkable = false,


	paramtype = "light",
	sunlight_propagates = true,
	is_ground_content = false,
	tiles ={"testnodes_climbable_side.png"},
	drawtype = "glasslike",
	groups = {dig_immediate=3},
})

-- Climbable only downwards with sneak key
minetest.register_node("testnodes:climbable_nojump", {
	description = S("Downwards-climbable Node"),
	climbable = true,
	walkable = false,

	groups = {disable_jump=1, dig_immediate=3},
	drawtype = "glasslike",
	tiles ={"testnodes_climbable_nojump_side.png"},
	paramtype = "light",
	sunlight_propagates = true,
})

-- A liquid in which you can't rise
minetest.register_node("testnodes:liquid_nojump", {
	description = S("Non-jumping Liquid Source Node"),
	liquidtype = "source",
	liquid_range = 1,
	liquid_viscosity = 0,
	liquid_alternative_flowing = "testnodes:liquidflowing_nojump",
	liquid_alternative_source = "testnodes:liquid_nojump",
	liquid_renewable = false,
	groups = {disable_jump=1, dig_immediate=3},
	walkable = false,

	drawtype = "liquid",
	tiles = {"testnodes_liquidsource.png^[colorize:#FF0000:127"},
	special_tiles = {
		{name = "testnodes_liquidsource.png^[colorize:#FF0000:127", backface_culling = false},
		{name = "testnodes_liquidsource.png^[colorize:#FF0000:127", backface_culling = true},
	},
	use_texture_alpha = true,
	paramtype = "light",
	pointable = false,
	liquids_pointable = true,
	diggable = false,
	buildable_to = true,
	is_ground_content = false,
	post_effect_color = {a = 70, r = 255, g = 0, b = 200},
})

-- A liquid in which you can't rise (flowing variant)
minetest.register_node("testnodes:liquidflowing_nojump", {
	description = S("Non-jumping Flowing Liquid Node"),
	liquidtype = "flowing",
	liquid_range = 1,
	liquid_viscosity = 0,
	liquid_alternative_flowing = "testnodes:liquidflowing_nojump",
	liquid_alternative_source = "testnodes:liquid_nojump",
	liquid_renewable = false,
	groups = {disable_jump=1, dig_immediate=3},
	walkable = false,


	drawtype = "flowingliquid",
	tiles = {"testnodes_liquidflowing.png^[colorize:#FF0000:127"},
	special_tiles = {
		{name = "testnodes_liquidflowing.png^[colorize:#FF0000:127", backface_culling = false},
		{name = "testnodes_liquidflowing.png^[colorize:#FF0000:127", backface_culling = false},
	},
	use_texture_alpha = true,
	paramtype = "light",
	paramtype2 = "flowingliquid",
	pointable = false,
	liquids_pointable = true,
	diggable = false,
	buildable_to = true,
	is_ground_content = false,
	post_effect_color = {a = 70, r = 255, g = 0, b = 200},
})

-- Nodes that modify fall damage (various damage modifiers)
for i=-100, 100, 25 do
	if i ~= 0 then
		local subname, descnum
		if i < 0 then
			subname = "m"..math.abs(i)
			descnum = tostring(i)
		else
			subname = tostring(i)
			descnum = S("+@1", i)
		end
		local tex, color, desc
		if i > 0 then
			local val = math.floor((i/100)*255)
			tex = "testnodes_fall_damage_plus.png"
			color = { b=0, g=255-val, r=255, a=255 }
			desc = S("Fall Damage Node (+@1%)", i)
		else
			tex = "testnodes_fall_damage_minus.png"
			if i == -100 then
				color = { r=0, b=0, g=255, a=255 }
			else
				local val = math.floor((math.abs(i)/100)*255)
				color = { r=0, b=255, g=255-val, a=255 }
			end
			desc = S("Fall Damage Node (-@1%)", math.abs(i))
		end
		minetest.register_node("testnodes:damage"..subname, {
			description = desc,
			groups = {fall_damage_add_percent=i, dig_immediate=3},


			tiles = { tex },
			is_ground_content = false,
			color = color,
		})
	end
end

-- Bouncy nodes (various bounce levels)
for i=20, 180, 20 do
	local val = math.floor(((i-20)/200)*255)
	minetest.register_node("testnodes:bouncy"..i, {
		description = S("Bouncy Node (@1%)", i),
		groups = {bouncy=i, dig_immediate=3},


		tiles ={"testnodes_bouncy.png"},
		is_ground_content = false,
		color = { r=255, g=255-val, b=val, a=255 },
	})
end

-- Slippery nodes (various slippery levels)
for i=1, 5 do
	minetest.register_node("testnodes:slippery"..i, {
		description = S("Slippery Node (@1)", i),
		tiles ={"testnodes_slippery.png"},
		is_ground_content = false,
		groups = {slippery=i, dig_immediate=3},
		color = { r=0, g=255, b=math.floor((i/5)*255), a=255 },
	})
end

-- By placing something on the node, the node itself will be replaced
minetest.register_node("testnodes:buildable_to", {
	description = S("Replacable Node"),
	buildable_to = true,
	tiles = {"testnodes_buildable_to.png"},
	is_ground_content = false,
	groups = {dig_immediate=3},
})

-- Nodes that deal damage to players that are inside them.
-- Negative damage nodes should heal.
for d=-3,3 do
	if d ~= 0 then
		local sub, tile
		if d > 0 then
			sub = tostring(d)
			tile = "testnodes_damage.png"
		else
			sub = "m" .. tostring(math.abs(d))
			tile = "testnodes_damage_neg.png"
		end
		if math.abs(d) == 2 then
			tile = tile .. "^[colorize:#000000:70"
		elseif math.abs(d) == 3 then
			tile = tile .. "^[colorize:#000000:140"
		end
		minetest.register_node("testnodes:damage_"..sub, {
			description = S("Damage Node (@1 damage per second)", d),
			damage_per_second = d,


			walkable = false,
			is_ground_content = false,
			drawtype = "allfaces",
			paramtype = "light",
			sunlight_propagates = true,
			tiles = { tile },
			groups = {dig_immediate=3},
		})
	end
end

-- Causes drowning damage