mods/ENTITIES/mobs_mc/horse.lua

   1 --MCmobs v0.4
   2 --maikerumine
   3 --made for MC like Survival game
   4 --License for code WTFPL and otherwise stated in readmes
   5
   6 -- intllib
   7 local MP = minetest.get_modpath(minetest.get_current_modname())
   8 local S, NS = dofile(MP.."/intllib.lua")
   9
  10 --###################
  11 --################### HORSE
  12 --###################
  13
  14 -- Return overlay texture for horse/donkey/mule, e.g. chest, saddle or horse armor
  15 local horse_extra_texture = function(horse)
  16         local base = horse._naked_texture
  17         local saddle = horse._saddle
  18         local chest  = horse._chest
  19         local armor = horse._horse_armor
  20         local textures = {}
  21         if armor and minetest.get_item_group(armor, "horse_armor") > 0 then
  22                 textures[2] = base .. "^" .. minetest.registered_items[armor]._horse_overlay_image
  23         else
  24                 textures[2] = base
  25         end
  26         if saddle then
  27                 textures[3] = base
  28         else
  29                 textures[3] = "blank.png"
  30         end
  31         if chest then
  32                 textures[1] = base
  33         else
  34                 textures[1] = "blank.png"
  35         end
  36         return textures
  37 end
  38
  39 -- Helper functions to determine equipment rules
  40 local can_equip_horse_armor = function(entity_id)
  41         return entity_id == "mobs_mc:horse" or entity_id == "mobs_mc:skeleton_horse" or entity_id == "mobs_mc:zombie_horse"
  42 end
  43 local can_equip_chest = function(entity_id)
  44         return entity_id == "mobs_mc:mule" or entity_id == "mobs_mc:donkey"
  45 end
  46 local can_breed = function(entity_id)
  47         return entity_id == "mobs_mc:horse" or "mobs_mc:mule" or entity_id == "mobs_mc:donkey"
  48 end
  49
  50 --[[ Generate all possible horse textures.
  51 Horse textures are a combination of a base texture and an optional marking overlay. ]]
  52 -- The base horse textures (fur) (fur)
  53 local horse_base = {
  54         "mobs_mc_horse_brown.png",
  55         "mobs_mc_horse_darkbrown.png",
  56         "mobs_mc_horse_white.png",
  57         "mobs_mc_horse_gray.png",
  58         "mobs_mc_horse_black.png",
  59         "mobs_mc_horse_chestnut.png",
  60 }
  61 -- Horse marking texture overlay, to be appended to the base texture string
  62 local horse_markings = {
  63         "", -- no markings
  64         "^mobs_mc_horse_markings_whitedots.png", -- snowflake appaloosa
  65         "^mobs_mc_horse_markings_blackdots.png", -- sooty
  66         "^mobs_mc_horse_markings_whitefield.png", -- paint
  67         "^mobs_mc_horse_markings_white.png", -- stockings and blaze
  68 }
  69
  70 local horse_textures = {}
  71 for b=1, #horse_base do
  72         for m=1, #horse_markings do
  73                 table.insert(horse_textures, {
  74                         "blank.png", -- chest
  75                         horse_base[b] .. horse_markings[m], -- base texture + markings and optional armor
  76                         "blank.png", -- saddle
  77                 })
  78         end
  79 end
  80
  81 -- Horse
  82 local horse = {
  83         type = "animal",
  84         visual = "mesh",
  85         mesh = "mobs_mc_horse.b3d",
  86         visual_size = {x=3.0, y=3.0},
  87         collisionbox = {-0.69825, -0.01, -0.69825, 0.69825, 1.59, 0.69825},
  88         animation = {
  89                 stand_speed = 25,
  90                 stand_start = 0,
  91                 stand_end = 0,
  92                 walk_speed = 25,
  93                 walk_start = 0,
  94                 walk_end = 40,
  95                 run_speed = 50,
  96                 run_start = 0,
  97                 run_end = 40,
  98         },
  99         textures = horse_textures,
 100         fear_height = 4,
 101         fly = false,
 102         walk_chance = 60,
 103         view_range = 16,
 104         follow = mobs_mc.follow.horse,
 105         passive = true,
 106         hp_min = 15,
 107         hp_max = 30,
 108         floats = 1,
 109         lava_damage = 4,
 110         water_damage = 1,
 111         makes_footstep_sound = true,
 112         jump = true,
 113         jump_height = 5.75, -- can clear 2.5 blocks
 114         drops = {
 115                 {name = mobs_mc.items.leather,
 116                 chance = 1,
 117                 min = 0,
 118                 max = 2,},
 119         },
 120
 121         do_custom = function(self, dtime)
 122
 123                 -- set needed values if not already present
 124                 if not self._regentimer then
 125                         self._regentimer = 0
 126                 end
 127                 if not self.v2 then
 128                         self.v2 = 0
 129                         self.max_speed_forward = 7
 130                         self.max_speed_reverse = 2
 131                         self.accel = 6
 132                         self.terrain_type = 3
 133                         self.driver_attach_at = {x = 0, y = 7.5, z = -1.75}
 134                         self.driver_eye_offset = {x = 0, y = 3, z = 0}
 135                         self.driver_scale = {x = 1/self.visual_size.x, y = 1/self.visual_size.y}
 136                 end
 137
 138                 -- Slowly regenerate health
 139                 self._regentimer = self._regentimer + dtime
 140                 if self._regentimer >= 4 then
 141                         if self.health < self.hp_max then
 142                                 self.health = self.health + 1
 143                         end
 144                         self._regentimer = 0
 145                 end
 146
 147                 -- if driver present allow control of horse
 148                 if self.driver then
 149
 150                         mobs.drive(self, "walk", "stand", false, dtime)
 151
 152                         return false -- skip rest of mob functions
 153                 end
 154
 155                 return true
 156         end,
 157
 158         on_die = function(self, pos)
 159
 160                 -- drop saddle when horse is killed while riding
 161                 if self._saddle then
 162                         minetest.add_item(pos, mobs_mc.items.saddle)
 163                 end
 164                 -- also detach from horse properly
 165                 if self.driver then
 166                         mobs.detach(self.driver, {x = 1, y = 0, z = 1})
 167                 end
 168
 169         end,
 170
 171         on_rightclick = function(self, clicker)
 172
 173                 -- make sure player is clicking
 174                 if not clicker or not clicker:is_player() then
 175                         return
 176                 end
 177
 178                 local item = clicker:get_wielded_item()
 179                 if can_breed(self.name) and (item:get_name() == mobs_mc.items.golden_apple or item:get_name() == mobs_mc.items.golden_carrot) then
 180                         -- Breed horse with golden apple or golden carrot
 181                         if mobs:feed_tame(self, clicker, 1, true, false) then return end
 182                 end
 183                 -- Feed/tame with anything else
 184                 -- TODO: Different health bonus for feeding
 185                 if mobs:feed_tame(self, clicker, 1, false, true) then return end
 186                 if mobs:protect(self, clicker) then return end
 187
 188                 -- Make sure tamed horse is mature and being clicked by owner only
 189                 if self.tamed and not self.child and self.owner == clicker:get_player_name() then
 190
 191                         local inv = clicker:get_inventory()
 192
 193                         -- detatch player already riding horse
 194                         if self.driver and clicker == self.driver then
 195
 196                                 mobs.detach(clicker, {x = 1, y = 0, z = 1})
 197
 198                         -- Put on saddle if tamed
 199                         elseif not self.driver and not self._saddle
 200                         and clicker:get_wielded_item():get_name() == mobs_mc.items.saddle then
 201
 202                                 -- Put on saddle and take saddle from player's inventory
 203                                 local w = clicker:get_wielded_item()
 204                                 self._saddle = true
 205                                 if not minetest.settings:get_bool("creative_mode") then
 206                                         w:take_item()
 207                                         clicker:set_wielded_item(w)
 208                                 end
 209
 210                                 -- Update texture
 211                                 if not self._naked_texture then
 212                                         -- Base horse texture without chest or saddle
 213                                         self._naked_texture = self.base_texture[2]
 214                                 end
 215                                 local tex = horse_extra_texture(self)
 216                                 self.base_texture = tex
 217                                 self.object:set_properties({textures = self.base_texture})
 218
 219                         -- Put on horse armor if tamed
 220                         elseif can_equip_horse_armor(self.name) and not self.driver and not self._horse_armor
 221                         and minetest.get_item_group(clicker:get_wielded_item():get_name(), "horse_armor") > 0 then
 222
 223
 224                                 -- Put on armor and take armor from player's inventory
 225                                 local w = clicker:get_wielded_item()
 226                                 local armor = minetest.get_item_group(w:get_name(), "horse_armor")
 227                                 self._horse_armor = w:get_name()
 228                                 if not minetest.settings:get_bool("creative_mode") then
 229                                         w:take_item()
 230                                         clicker:set_wielded_item(w)
 231                                 end
 232
 233                                 -- Set horse armor strength
 234                                 self.armor = armor
 235                                 local agroups = self.object:get_armor_groups()
 236                                 agroups.fleshy = self.armor
 237                                 self.object:set_armor_groups(agroups)
 238
 239                                 -- Update texture
 240                                 if not self._naked_texture then
 241                                         -- Base horse texture without chest or saddle
 242                                         self._naked_texture = self.base_texture[2]
 243                                 end
 244                                 local tex = horse_extra_texture(self)
 245                                 self.base_texture = tex
 246                                 self.object:set_properties({textures = self.base_texture})
 247
 248
 249                         -- Mount horse
 250                         elseif not self.driver and self._saddle then
 251
 252                                 self.object:set_properties({stepheight = 1.1})
 253                                 mobs.attach(self, clicker)
 254
 255                         -- Used to capture horse
 256                         elseif not self.driver and clicker:get_wielded_item():get_name() ~= "" then
 257                                 mobs:capture_mob(self, clicker, 0, 5, 60, false, nil)
 258                         end
 259                 end
 260         end,
 261
 262         on_breed = function(parent1, parent2)
 263                 local pos = parent1.object:get_pos()
 264                 local child = mobs:spawn_child(pos, parent1.name)
 265                 if child then
 266                         local ent_c = child:get_luaentity()
 267                         local p = math.random(1, 2)
 268                         if p == 1 then
 269                                 ent_c.base_texture = parent1.base_texture
 270                         else
 271                                 ent_c.base_texture = parent2.base_texture
 272                         end
 273                         child:set_properties({textures = ent_c.base_texture})
 274                         return false
 275                 end
 276         end,
 277 }
 278
 279 mobs:register_mob("mobs_mc:horse", horse)
 280
 281 -- Skeleton horse
 282 local skeleton_horse = table.copy(horse)
 283 skeleton_horse.textures = {{"blank.png", "mobs_mc_horse_skeleton.png", "blank.png"}}
 284 skeleton_horse.drops = {
 285         {name = mobs_mc.items.bone,
 286         chance = 1,
 287         min = 0,
 288         max = 2,},
 289 }
 290 skeleton_horse.sounds = {
 291         random = "skeleton1",
 292         death = "skeletondeath",
 293         damage = "skeletonhurt1",
 294         distance = 16,
 295 }
 296 skeleton_horse.blood_amount = 0
 297 mobs:register_mob("mobs_mc:skeleton_horse", skeleton_horse)
 298
 299 -- Zombie horse
 300 local zombie_horse = table.copy(horse)
 301 zombie_horse.textures = {{"blank.png", "mobs_mc_horse_zombie.png", "blank.png"}}
 302 zombie_horse.drops = {
 303         {name = mobs_mc.items.rotten_flesh,
 304         chance = 1,
 305         min = 0,
 306         max = 2,},
 307 }
 308 zombie_horse.sounds = {
 309         random = "mobs_mc_zombie_idle",
 310         war_cry = "mobs_mc_zombie_idle",
 311         death = "mobs_mc_zombie_death",
 312         damage = "mobs_mc_zombie_hurt",
 313         distance = 16,
 314 }
 315 mobs:register_mob("mobs_mc:zombie_horse", zombie_horse)
 316
 317 -- Donkey
 318 local d = 0.86 -- donkey scale
 319 local donkey = table.copy(horse)
 320 donkey.textures = {{"blank.png", "mobs_mc_donkey.png", "blank.png"}}
 321 donkey.animation = {
 322         speed_normal = 25,
 323         stand_start = 0, stand_end = 0,
 324         walk_start = 0, walk_end = 40,
 325 }
 326 donkey.visual_size = { x=horse.visual_size.x*d, y=horse.visual_size.y*d }
 327 donkey.collisionbox = {
 328         horse.collisionbox[1] * d,
 329         horse.collisionbox[2] * d,
 330         horse.collisionbox[3] * d,
 331         horse.collisionbox[4] * d,
 332         horse.collisionbox[5] * d,
 333         horse.collisionbox[6] * d,
 334 }
 335 donkey.jump = true
 336 donkey.jump_height = 3.75 -- can clear 1 block height
 337
 338 mobs:register_mob("mobs_mc:donkey", donkey)
 339
 340 -- Mule
 341 local m = 0.94
 342 local mule = table.copy(donkey)
 343 mule.textures = {{"blank.png", "mobs_mc_mule.png", "blank.png"}}
 344 mule.visual_size = { x=horse.visual_size.x*m, y=horse.visual_size.y*m }
 345 mule.collisionbox = {
 346         horse.collisionbox[1] * m,
 347         horse.collisionbox[2] * m,
 348         horse.collisionbox[3] * m,
 349         horse.collisionbox[4] * m,
 350         horse.collisionbox[5] * m,
 351         horse.collisionbox[6] * m,
 352 }
 353 mobs:register_mob("mobs_mc:mule", mule)
 354
 355 --===========================
 356 --Spawn Function
 357 mobs:spawn_specific("mobs_mc:horse", mobs_mc.spawn.grassland_savanna, {"air"}, 0, minetest.LIGHT_MAX+1, 30, 15000, 12, mobs_mc.spawn_height.water+3, mobs_mc.spawn_height.overworld_max)
 358 mobs:spawn_specific("mobs_mc:donkey", mobs_mc.spawn.grassland_savanna, {"air"}, 0, minetest.LIGHT_MAX+1, 30, 15000, 12, mobs_mc.spawn_height.water+3, mobs_mc.spawn_height.overworld_max)
 359
 360 -- compatibility
 361 mobs:alias_mob("mobs:horse", "mobs_mc:horse")
 362
 363 -- spawn eggs
 364 mobs:register_egg("mobs_mc:horse", S("Horse"), "mobs_mc_spawn_icon_horse.png", 0)
 365 mobs:register_egg("mobs_mc:skeleton_horse", S("Skeleton Horse"), "mobs_mc_spawn_icon_horse_skeleton.png", 0)
 366 mobs:register_egg("mobs_mc:zombie_horse", S("Zombie Horse"), "mobs_mc_spawn_icon_horse_zombie.png", 0)
 367 mobs:register_egg("mobs_mc:donkey", S("Donkey"), "mobs_mc_spawn_icon_donkey.png", 0)
 368 mobs:register_egg("mobs_mc:mule", S("Mule"), "mobs_mc_spawn_icon_mule.png", 0)
 369
 370
 371 if minetest.settings:get_bool("log_mods") then
 372         minetest.log("action", "MC Horse loaded")
 373 end