mummy.lua

   1 local S = minetest.get_translator("tsm_pyramids")
   2
   3 local mummy_walk_limit = 1
   4 local mummy_chillaxin_speed = 1
   5 local mummy_animation_speed = 10
   6 -- Note: This is currently broken due to a bug in Irrlicht, leave at 0
   7 local mummy_animation_blend = 0
   8
   9 -- Default player appearance
  10 local mummy_mesh = "tsm_pyramids_mummy.x"
  11 local mummy_texture = {"tsm_pyramids_mummy.png"}
  12 local mummy_hp = 20
  13 local mummy_drop = "default:papyrus"
  14
  15 local sound_normal = "mummy"
  16 local sound_hit = "mummy_hurt"
  17 local sound_dead = "mummy_death"
  18
  19 local spawner_range = 17
  20 local spawner_max_mobs = 6
  21
  22 local function get_animations()
  23         return {
  24                 stand_START = 74,
  25                 stand_END = 74,
  26                 sit_START = 81,
  27                 sit_END = 160,
  28                 lay_START = 162,
  29                 lay_END = 166,
  30                 walk_START = 74,
  31                 walk_END = 105,
  32                 mine_START = 74,
  33                 mine_END = 105,
  34                 walk_mine_START = 74,
  35                 walk_mine_END = 105
  36         }
  37 end
  38
  39 local npc_model = {}
  40 local npc_anim = {}
  41 local npc_sneak = {}
  42 local ANIM_STAND = 1
  43 local ANIM_SIT = 2
  44 local ANIM_LAY = 3
  45 local ANIM_WALK  = 4
  46 local ANIM_WALK_MINE = 5
  47 local ANIM_MINE = 6
  48
  49 local function hit(self)
  50         local prop = {
  51                 mesh = mummy_mesh,
  52                 textures = {"tsm_pyramids_mummy.png^tsm_pyramids_hit.png"},
  53         }
  54         self.object:set_properties(prop)
  55         minetest.after(0.4, function()
  56                local prop = {textures = mummy_texture,}
  57                 self.object:set_properties(prop)
  58         end)
  59 end
  60
  61 local function mummy_update_visuals_def(self)
  62         npc_anim = 0 -- Animation will be set further below immediately
  63         local prop = {
  64                 mesh = mummy_mesh,
  65                 textures = mummy_texture,
  66         }
  67         self.object:set_properties(prop)
  68 end
  69
  70 local MUMMY_DEF = {
  71         physical = true,
  72         collisionbox = {-0.4, -0.01, -0.4, 0.4, 1.9, 0.4},
  73         visual = "mesh",
  74         visual_size = {x=8,y=8},
  75         mesh = mummy_mesh,
  76         textures = mummy_texture,
  77         makes_footstep_sound = true,
  78         npc_anim = 0,
  79         timer = 0,
  80         turn_timer = 0,
  81         vec = 0,
  82         yaw = 0,
  83         yawwer = 0,
  84         state = 1,
  85         jump_timer = 0,
  86         punch_timer = 0,
  87         sound_timer = 0,
  88         attacker = "",
  89         attacking_timer = 0,
  90         mob_name = "mummy"
  91 }
  92
  93 local spawner_DEF = {
  94         hp_max = 1,
  95         physical = true,
  96         collisionbox = {0,0,0,0,0,0},
  97         visual = "mesh",
  98         visual_size = {x=3.3,y=3.3},
  99         mesh = mummy_mesh,
 100         textures = mummy_texture,
 101         makes_footstep_sound = false,
 102         timer = 0,
 103         automatic_rotate = math.pi * 2.9,
 104         m_name = "dummy"
 105 }
 106
 107 spawner_DEF.on_activate = function(self)
 108         mummy_update_visuals_def(self)
 109         self.object:set_velocity({x=0, y=0, z=0})
 110         self.object:set_acceleration({x=0, y=0, z=0})
 111         self.object:set_armor_groups({immortal=1})
 112
 113 end
 114
 115 spawner_DEF.on_step = function(self, dtime)
 116         self.timer = self.timer + 0.01
 117         local n = minetest.get_node_or_nil(self.object:get_pos())
 118         if self.timer > 1 then
 119                 if n and n.name and n.name ~= "tsm_pyramids:spawner_mummy" then
 120                         self.object:remove()
 121                 end
 122         end
 123 end
 124
 125 spawner_DEF.on_punch = function(self, hitter)
 126
 127 end
 128
 129 MUMMY_DEF.on_activate = function(self)
 130         mummy_update_visuals_def(self)
 131         self.anim = get_animations()
 132         self.object:set_animation({x=self.anim.stand_START,y=self.anim.stand_END}, mummy_animation_speed, mummy_animation_blend)
 133         self.npc_anim = ANIM_STAND
 134         self.object:set_acceleration({x=0,y=-20,z=0})--20
 135         self.state = 1
 136         self.object:set_hp(mummy_hp)
 137         self.object:set_armor_groups({fleshy=130})
 138 end
 139
 140 MUMMY_DEF.on_punch = function(self, puncher, time_from_last_punch, tool_capabilities, dir)
 141
 142         self.attacker = puncher
 143
 144         if puncher ~= nil then
 145                 local sound = sound_hit
 146                 if self.object:get_hp() == 0 then sound = sound_dead end
 147                 minetest.sound_play(sound, {to_player = puncher:get_player_name(), loop = false, gain = 0.3})
 148                 if time_from_last_punch >= 0.45 then
 149                         hit(self)
 150                         self.direction = {x=self.object:get_velocity().x, y=self.object:get_velocity().y, z=self.object:get_velocity().z}
 151                         self.punch_timer = 0
 152                         self.object:set_velocity({x=dir.x*mummy_chillaxin_speed,y=5,z=dir.z*mummy_chillaxin_speed})
 153                         if self.state == 1 then
 154                                 self.state = 8
 155                         elseif self.state >= 2 then
 156                                 self.state = 9
 157                         end
 158                 end
 159         end
 160
 161         if self.object:get_hp() == 0 then
 162             local obj = minetest.add_item(self.object:get_pos(), mummy_drop.." "..math.random(0,3))
 163         end
 164 end
 165
 166         local cnt1 = 0
 167         local cnt2 = 0
 168
 169 MUMMY_DEF.on_step = function(self, dtime)
 170         self.timer = self.timer + 0.01
 171         self.turn_timer = self.turn_timer + 0.01
 172         self.jump_timer = self.jump_timer + 0.01
 173         self.punch_timer = self.punch_timer + 0.01
 174         self.attacking_timer = self.attacking_timer + 0.01
 175         self.sound_timer = self.sound_timer + 0.01
 176
 177         local current_pos = self.object:get_pos()
 178         local current_node = minetest.get_node(current_pos)
 179         if self.time_passed == nil then
 180                 self.time_passed = 0
 181         end
 182
 183         if self.object:get_hp() == 0 then
 184                 minetest.sound_play(sound_dead, {pos = current_pos, max_hear_distance = 10 , gain = 0.3})
 185                 self.object:remove()
 186         end
 187         if current_node.name == "default:water_source" or current_node.name == "default:water_flowing" or current_node.name == "default:lava_source" or current_node.name == "default:lava_flowing" then
 188                 self.sound_timer = self.sound_timer + dtime
 189                 if self.sound_timer >= 0.8 then
 190                         self.sound_timer = 0
 191                         self.object:set_hp(self.object:get_hp()-5)
 192                         hit(self)
 193                         minetest.sound_play(sound_hit, {pos = current_pos, max_hear_distance = 10, gain = 0.3})
 194                 end
 195          else
 196                 self.time_passed = 0
 197          end
 198
 199         --update moving state every 1 or 2 seconds
 200         if self.state < 3 then
 201                 if self.timer > math.random(1,2) then
 202                         if self.attacker == "" then
 203                                 self.state = math.random(1,2)
 204                         else self.state = 1 end
 205                         self.timer = 0
 206                 end
 207         end
 208
 209         --play sound
 210         if self.sound_timer > math.random(5,35) then
 211                 minetest.sound_play(sound_normal, {pos = current_pos, max_hear_distance = 10, gain = 0.2})
 212                 self.sound_timer = 0
 213         end
 214
 215         --after punched
 216         if self.state >= 8 then
 217                 if self.punch_timer > 0.15 then
 218                         if self.state == 9 then
 219                                 self.object:set_velocity({x=self.direction.x*mummy_chillaxin_speed,y=-20,z=self.direction.z*mummy_chillaxin_speed})
 220                                 self.state = 2
 221                         elseif self.state == 8 then
 222                                 self.object:set_velocity({x=0,y=-20,z=0})
 223                                 self.state = 1
 224                         end
 225                 end
 226         end
 227
 228         --STANDING
 229         if self.state == 1 then
 230                 self.yawwer = true
 231                 self.attacker = ""
 232                 for  _,object in ipairs(minetest.get_objects_inside_radius(self.object:get_pos(), 4)) do
 233                         if object:is_player() then
 234                                 self.yawwer = false
 235                                 local NPC = self.object:get_pos()
 236                                 local PLAYER = object:get_pos()
 237                                 self.vec = {x=PLAYER.x-NPC.x, y=PLAYER.y-NPC.y, z=PLAYER.z-NPC.z}
 238                                 self.yaw = math.atan(self.vec.z/self.vec.x)+math.pi^2
 239                                 if PLAYER.x > NPC.x then
 240                                         self.yaw = self.yaw + math.pi
 241                                 end
 242                                 self.yaw = self.yaw - 2
 243                                 self.object:set_yaw(self.yaw)
 244                                 self.attacker = object
 245                         end
 246                 end
 247
 248                 if self.attacker == "" and self.turn_timer > math.random(1,4) then
 249                         self.yaw = 360 * math.random()
 250                         self.object:set_yaw(self.yaw)
 251                         self.turn_timer = 0
 252                         self.direction = {x = math.sin(self.yaw)*-1, y = -20, z = math.cos(self.yaw)}
 253                 end
 254                 self.object:set_velocity({x=0,y=self.object:get_velocity().y,z=0})
 255                 if self.npc_anim ~= ANIM_STAND then
 256                         self.anim = get_animations()
 257                         self.object:set_animation({x=self.anim.stand_START,y=self.anim.stand_END}, mummy_animation_speed, mummy_animation_blend)
 258                         self.npc_anim = ANIM_STAND
 259                 end
 260                 if self.attacker ~= "" then
 261                         self.direction = {x = math.sin(self.yaw)*-1, y = -20, z = math.cos(self.yaw)}
 262                         self.state = 2
 263                 end
 264         end
 265         --WALKING
 266         if self.state == 2 then
 267
 268                 if self.direction ~= nil then
 269                         self.object:set_velocity({x=self.direction.x*mummy_chillaxin_speed,y=self.object:get_velocity().y,z=self.direction.z*mummy_chillaxin_speed})
 270                 end
 271                 if self.turn_timer > math.random(1,4) and not self.attacker then
 272                         self.yaw = 360 * math.random()
 273                         self.object:set_yaw(self.yaw)
 274                         self.turn_timer = 0
 275                         self.direction = {x = math.sin(self.yaw)*-1, y = -20, z = math.cos(self.yaw)}
 276                 end
 277                 if self.npc_anim ~= ANIM_WALK then
 278                         self.anim = get_animations()
 279                         self.object:set_animation({x=self.anim.walk_START,y=self.anim.walk_END}, mummy_animation_speed, mummy_animation_blend)
 280                         self.npc_anim = ANIM_WALK
 281                 end
 282
 283                 if self.attacker ~= "" and minetest.settings:get_bool("enable_damage") then
 284                         local s = self.object:get_pos()
 285                         local p = self.attacker:get_pos()
 286                         if (s ~= nil and p ~= nil) then
 287                                 local dist = ((p.x-s.x)^2 + (p.y-s.y)^2 + (p.z-s.z)^2)^0.5
 288
 289                                 if dist < 2 and self.attacking_timer > 0.6 then
 290                                 self.attacker:punch(self.object, 1.0,  {
 291                                         full_punch_interval=1.0,
 292                                         damage_groups = {fleshy=1}
 293                                 })
 294                                         self.attacking_timer = 0
 295                                 end
 296                         end
 297                 end
 298         end
 299 end
 300
 301 minetest.register_entity("tsm_pyramids:mummy", MUMMY_DEF)
 302 minetest.register_entity("tsm_pyramids:mummy_spawner", spawner_DEF)
 303
 304
 305 --spawn-egg/spawner
 306
 307 minetest.register_craftitem("tsm_pyramids:spawn_egg", {
 308         description = S("Mummy Spawn Egg"),
 309         _doc_items_longdesc = S("Can be used to create a hostile mummy."),
 310         _doc_items_usagehelp = S("Place the egg to create a mummy on this spot. Careful, it will probably attack immediately!"),
 311         inventory_image = "tsm_pyramids_mummy_egg.png",
 312         liquids_pointable = false,
 313         stack_max = 99,
 314         on_place = function(itemstack, placer, pointed_thing)
 315                 if pointed_thing.type == "node" then
 316                         minetest.add_entity(pointed_thing.above,"tsm_pyramids:mummy")
 317                         if not minetest.settings:get_bool("creative_mode") then itemstack:take_item() end
 318                         return itemstack
 319                 end
 320         end,
 321
 322 })
 323
 324 function tsm_pyramids.spawn_mummy (pos, number)
 325         for i=0,number do
 326                 minetest.add_entity(pos,"tsm_pyramids:mummy")
 327         end
 328 end
 329
 330 local spawnersounds
 331 if default.node_sound_metal_defaults then
 332         spawnersounds = default.node_sound_metal_defaults()
 333 else
 334         spawnersounds = default.node_sound_stone_defaults()
 335 end
 336
 337 minetest.register_node("tsm_pyramids:spawner_mummy", {
 338         description = S("Mummy Spawner"),
 339         _doc_items_longdesc = S("A mummy spawner causes hostile mummies to appear in its vicinity as long it exists."),
 340         paramtype = "light",
 341         tiles = {"tsm_pyramids_spawner.png"},
 342         is_ground_content = false,
 343         drawtype = "allfaces",
 344         groups = {cracky=1,level=1},
 345         drop = "",
 346         on_construct = function(pos)
 347                 pos.y = pos.y - 0.28
 348                 minetest.add_entity(pos,"tsm_pyramids:mummy_spawner")
 349         end,
 350         on_destruct = function(pos)
 351                 for  _,obj in ipairs(minetest.get_objects_inside_radius(pos, 1)) do
 352                         if not obj:is_player() then
 353                                 if obj ~= nil and obj:get_luaentity().m_name == "dummy" then
 354                                         obj:remove()
 355                                 end
 356                         end
 357                 end
 358         end,
 359         sounds = spawnersounds,
 360 })
 361 if not minetest.settings:get_bool("only_peaceful_mobs") then
 362         minetest.register_abm({
 363                 nodenames = {"tsm_pyramids:spawner_mummy"},
 364                 interval = 2.0,
 365                 chance = 20,
 366                 action = function(pos, node, active_object_count, active_object_count_wider)
 367                         local player_near = false
 368                         local mobs = 0
 369                         for  _,obj in ipairs(minetest.get_objects_inside_radius(pos, spawner_range)) do
 370                                 if obj:is_player() then
 371                                         player_near = true
 372                                 else
 373                                         if obj:get_luaentity() and obj:get_luaentity().mob_name == "mummy" then
 374                                                 mobs = mobs + 1
 375                                         end
 376                                 end
 377                         end
 378                         if player_near then
 379                                 if mobs < spawner_max_mobs then
 380                                         pos.x = pos.x+1
 381                                         local p = minetest.find_node_near(pos, 5, {"air"})
 382                                         minetest.add_entity(p,"tsm_pyramids:mummy")
 383                                 end
 384                         end
 385                 end
 386         })
 387 end
 388
 389 if minetest.get_modpath("awards") then
 390         awards.register_achievement("tsm_pyramids_no_mummy_spawner", {
 391                 title = S("No more mummies!"),
 392                 description = S("Destroy a mummy spawner by digging."),
 393                 secret = true,
 394                 icon = "tsm_pyramids_spawner.png",
 395                 trigger = {
 396                         type = "dig",
 397                         node = "tsm_pyramids:spawner_mummy",
 398                         target = 1
 399                 }
 400         })
 401 end