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path: root/builtin/mainmenu/textures.lua
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--Minetest
--Copyright (C) 2013 sapier
--
--This program is free software; you can redistribute it and/or modify
--it under the terms of the GNU Lesser General Public License as published by
--the Free Software Foundation; either version 2.1 of the License, or
--(at your option) any later version.
--
--This program is distributed in the hope that it will be useful,
--but WITHOUT ANY WARRANTY; without even the implied warranty of
--MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
--GNU Lesser General Public License for more details.
--
--You should have received a copy of the GNU Lesser General Public License along
--with this program; if not, write to the Free Software Foundation, Inc.,
--51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.


mm_texture = {}

--------------------------------------------------------------------------------
function mm_texture.init()
	mm_texture.defaulttexturedir = core.get_texturepath() .. DIR_DELIM .. "base" ..
						DIR_DELIM .. "pack" .. DIR_DELIM
	mm_texture.basetexturedir = mm_texture.defaulttexturedir

	mm_texture.texturepack = core.settings:get("texture_path")

	mm_texture.gameid = nil
end

--------------------------------------------------------------------------------
function mm_texture.update(tab,gamedetails)
	if tab ~= "singleplayer" then
		mm_texture.reset()
		return
	end

	if gamedetails == nil then
		return
	end

	mm_texture.update_game(gamedetails)
end

--------------------------------------------------------------------------------
function mm_texture.reset()
	mm_texture.gameid = nil
	local have_bg      = false
	local have_overlay = mm_texture.set_generic("overlay")

	if not have_overlay then
		have_bg = mm_texture.set_generic("background")
	end

	mm_texture.clear("header")
	mm_texture.clear("footer")
	core.set_clouds(false)

	mm_texture.set_generic("footer")
	mm_texture.set_generic("header")

	if not have_bg then
		if core.settings:get_bool("menu_clouds") then
			core.set_clouds(true)
		else
			mm_texture.set_dirt_bg()
		end
	end
end

--------------------------------------------------------------------------------
function mm_texture.update_game(gamedetails)
	if mm_texture.gameid == gamedetails.id then
		return
	end

	local have_bg      = false
	local have_overlay = mm_texture.set_game("overlay",gamedetails)

	if not have_overlay then
		have_bg = mm_texture.set_game("background",gamedetails)
	end

	mm_texture.clear("header")
	mm_texture.clear("footer")
	core.set_clouds(false)

	if not have_bg then

		if core.settings:get_bool("menu_clouds") then
			core.set_clouds(true)
		else
			mm_texture.set_dirt_bg()
		end
	end

	mm_texture.set_game("footer",gamedetails)
	mm_texture.set_game("header",gamedetails)

	mm_texture.gameid = gamedetails.id
end

--------------------------------------------------------------------------------
function mm_texture.clear(identifier)
	core.set_background(identifier,"")
end

--------------------------------------------------------------------------------
function mm_texture.set_generic(identifier)
	--try texture pack first
	if mm_texture.texturepack ~= nil then
		local path = mm_texture.texturepack .. DIR_DELIM .."menu_" ..
										identifier .. ".png"
		if core.set_background(identifier,path) then
			return true
		end
	end

	if mm_texture.defaulttexturedir ~= nil then
		local path = mm_texture.defaulttexturedir .. DIR_DELIM .."menu_" ..
										identifier .. ".png"
		if core.set_background(identifier,path) then
			return true
		end
	end

	return false
end

--------------------------------------------------------------------------------
function mm_texture.set_game(identifier, gamedetails)

	if gamedetails == nil then
		return false
	end

	if mm_texture.texturepack ~= nil then
		local path = mm_texture.texturepack .. DIR_DELIM ..
			gamedetails.id .. "_menu_" .. identifier .. ".png"
		if core.set_background(identifier, path) then
			return true
		end
	end

	-- Find out how many randomized textures the game provides
	local n = 0
	local filename
	local menu_files = core.get_dir_list(gamedetails.path .. DIR_DELIM .. "menu", false)
	for i = 1, #menu_files do
		filename = identifier .. "." .. i .. ".png"
		if table.indexof(menu_files, filename) == -1 then
			n = i - 1
			break
		end
	end
	-- Select random texture, 0 means standard texture
	n = math.random(0, n)
	if n == 0 then
		filename = identifier .. ".png"
	else
		filename = identifier .. "." .. n .. ".png"
	end

	local path = gamedetails.path .. DIR_DELIM .. "menu" ..
		DIR_DELIM .. filename
	if core.set_background(identifier, path) then
		return true
	end

	return false
end

function mm_texture.set_dirt_bg()
	if mm_texture.texturepack ~= nil then
		local path = mm_texture.texturepack .. DIR_DELIM .."default_dirt.png"
		if core.set_background("background", path, true, 128) then
			return true
		end
	end

	-- Use universal fallback texture in textures/base/pack
	local minimalpath = defaulttexturedir .. "menu_bg.png"
	core.set_background("background", minimalpath, true, 128)
end
> for (u32 i = 0; i < damage_groups_size; i++) { std::string name = deSerializeString(is); s16 rating = readS16(is); damageGroups[name] = rating; } if (version >= 5) punch_attack_uses = readU16(is); } void ToolCapabilities::serializeJson(std::ostream &os) const { Json::Value root; root["full_punch_interval"] = full_punch_interval; root["max_drop_level"] = max_drop_level; root["punch_attack_uses"] = punch_attack_uses; Json::Value groupcaps_object; for (auto groupcap : groupcaps) { groupcap.second.toJson(groupcaps_object[groupcap.first]); } root["groupcaps"] = groupcaps_object; Json::Value damage_groups_object; DamageGroup::const_iterator dgiter; for (dgiter = damageGroups.begin(); dgiter != damageGroups.end(); ++dgiter) { damage_groups_object[dgiter->first] = dgiter->second; } root["damage_groups"] = damage_groups_object; os << root; } void ToolCapabilities::deserializeJson(std::istream &is) { Json::Value root; is >> root; if (root.isObject()) { if (root["full_punch_interval"].isDouble()) full_punch_interval = root["full_punch_interval"].asFloat(); if (root["max_drop_level"].isInt()) max_drop_level = root["max_drop_level"].asInt(); if (root["punch_attack_uses"].isInt()) punch_attack_uses = root["punch_attack_uses"].asInt(); Json::Value &groupcaps_object = root["groupcaps"]; if (groupcaps_object.isObject()) { Json::ValueIterator gciter; for (gciter = groupcaps_object.begin(); gciter != groupcaps_object.end(); ++gciter) { ToolGroupCap groupcap; groupcap.fromJson(*gciter); groupcaps[gciter.key().asString()] = groupcap; } } Json::Value &damage_groups_object = root["damage_groups"]; if (damage_groups_object.isObject()) { Json::ValueIterator dgiter; for (dgiter = damage_groups_object.begin(); dgiter != damage_groups_object.end(); ++dgiter) { Json::Value &value = *dgiter; if (value.isInt()) damageGroups[dgiter.key().asString()] = value.asInt(); } } } } DigParams getDigParams(const ItemGroupList &groups, const ToolCapabilities *tp) { // Group dig_immediate defaults to fixed time and no wear if (tp->groupcaps.find("dig_immediate") == tp->groupcaps.cend()) { switch (itemgroup_get(groups, "dig_immediate")) { case 2: return DigParams(true, 0.5, 0, "dig_immediate"); case 3: return DigParams(true, 0, 0, "dig_immediate"); default: break; } } // Values to be returned (with a bit of conversion) bool result_diggable = false; float result_time = 0.0; float result_wear = 0.0; std::string result_main_group; int level = itemgroup_get(groups, "level"); for (const auto &groupcap : tp->groupcaps) { const ToolGroupCap &cap = groupcap.second; int leveldiff = cap.maxlevel - level; if (leveldiff < 0) continue; const std::string &groupname = groupcap.first; float time = 0; int rating = itemgroup_get(groups, groupname); bool time_exists = cap.getTime(rating, &time); if (!time_exists) continue; if (leveldiff > 1) time /= leveldiff; if (!result_diggable || time < result_time) { result_time = time; result_diggable = true; if (cap.uses != 0) result_wear = 1.0 / cap.uses / pow(3.0, leveldiff); else result_wear = 0; result_main_group = groupname; } } u16 wear_i = U16_MAX * result_wear; return DigParams(result_diggable, result_time, wear_i, result_main_group); } HitParams getHitParams(const ItemGroupList &armor_groups, const ToolCapabilities *tp, float time_from_last_punch) { s16 damage = 0; float result_wear = 0.0f; float punch_interval_multiplier = rangelim(time_from_last_punch / tp->full_punch_interval, 0.0f, 1.0f); for (const auto &damageGroup : tp->damageGroups) { s16 armor = itemgroup_get(armor_groups, damageGroup.first); damage += damageGroup.second * punch_interval_multiplier * armor / 100.0; } if (tp->punch_attack_uses > 0) result_wear = 1.0f / tp->punch_attack_uses * punch_interval_multiplier; u16 wear_i = U16_MAX * result_wear; return {damage, wear_i}; } HitParams getHitParams(const ItemGroupList &armor_groups, const ToolCapabilities *tp) { return getHitParams(armor_groups, tp, 1000000); } PunchDamageResult getPunchDamage( const ItemGroupList &armor_groups, const ToolCapabilities *toolcap, const ItemStack *punchitem, float time_from_last_punch ){ bool do_hit = true; { if (do_hit && punchitem) { if (itemgroup_get(armor_groups, "punch_operable") && (toolcap == NULL || punchitem->name.empty())) do_hit = false; } if (do_hit) { if(itemgroup_get(armor_groups, "immortal")) do_hit = false; } } PunchDamageResult result; if(do_hit) { HitParams hitparams = getHitParams(armor_groups, toolcap, time_from_last_punch); result.did_punch = true; result.wear = hitparams.wear; result.damage = hitparams.hp; } return result; } f32 getToolRange(const ItemDefinition &def_selected, const ItemDefinition &def_hand) { float max_d = def_selected.range; float max_d_hand = def_hand.range; if (max_d < 0 && max_d_hand >= 0) max_d = max_d_hand; else if (max_d < 0) max_d = 4.0f; return max_d; }