Moved and renamed to pacmine

1 files changed, 147 insertions, 0 deletions

diff --git a/pacmine/ghost.lua b/pacmine/ghost.lua
new file mode 100644
index 0000000..7c7c374
--- /dev/null
+++ b/pacmine/ghost.lua
@@ -0,0 +1,147 @@
+
+local ghosts_death_delay = 5
+
+
+local ghosts = {
+	{"pinky","Pinky"},
+	{"inky","Inky"},
+	{"blinky","Blinky"},
+	{"clyde","Clyde"},
+	}
+for i in ipairs(ghosts) do
+	local itm = ghosts[i][1]
+	local desc = ghosts[i][2]
+
+	minetest.register_entity("pacmine:"..itm, {
+		hp_max = 1,
+		physical = true,
+		collide_with_objects = true,
+		visual = "cube",
+		visual_size = {x = 0.6, y = 1},
+		textures = {
+			"pacmine_"..itm.."s.png",
+			"pacmine_"..itm.."s.png",
+			"pacmine_"..itm.."s.png",
+			"pacmine_"..itm.."s.png",
+			"pacmine_"..itm.."f.png",
+			"pacmine_"..itm.."s.png",
+		},
+		velocity = {x=math.random(-1,1), y=0, z=math.random(-1,1)},
+		collisionbox = {-0.25, -1.0, -0.25, 0.25, 0.48, 0.25},
+		is_visible = true,
+		automatic_rotate = true,
+		automatic_face_movement_dir = -90, -- set yaw direction in degrees, false to disable
+		makes_footstep_sound = false,
+
+		set_velocity = function(self, v)
+			if not v then v = 0 end
+			local yaw = self.object:getyaw()
+			self.object:setvelocity({x=math.sin(yaw) * -v, y=self.object:getvelocity().y, z=math.cos(yaw) * v})
+		end,
+
+		on_step = function(self, dtime)
+			-- every 1 second
+			self.timer = (self.timer or 0) + dtime
+			if self.timer < 1 then return end
+			self.timer = 0
+
+			-- Do we have game state? if not just die
+			local gamestate = pacmine.games[self.gameid]
+			if not gamestate then
+				minetest.log("action", "Removing pacman ghost without game assigned")
+				self.object:remove()
+				return
+			end
+			-- Make sure we are in the right state by keeping track of the reset time
+			-- if the reset time changed it's likely the game got resetted while the entity wasn't loaded
+			if self.last_reset then
+				if self.last_reset ~= gamestate.last_reset then
+					minetest.log("action", "Removing pacman ghost remaining after reset ")
+					self.object:remove()
+				end
+			else
+				self.last_reset = gamestate.last_reset
+			end
+
+			-- Make sure we have a targetted player
+			if not self.target then
+				self.target = minetest.get_player_by_name(gamestate.player_name)
+			end
+			local player = self.target
+
+			-- If there's no player just stop
+			if not player then
+				self.set_velocity(self, 0)
+				return
+			end
+
+			local s = self.object:getpos() -- ghost
+			local p = player:getpos() -- player
+
+			 -- find distance from ghost to player
+			local distance = ((p.x-s.x)^2 + (p.y-s.y)^2 + (p.z-s.z)^2)^0.5
+			if distance < 1.5 then
+				-- player touches ghost!!
+
+				if gamestate.power_pellet then
+					-- Player eats ghost! move it to spawn
+					local ghost_spawn = vector.add(gamestate.pos, {x=13,y=0.5,z=19})
+					self.object:setpos(ghost_spawn)
+					-- set the timer negative so it'll have to wait extra time
+					self.timer = -ghosts_death_delay
+					-- play sound and reward player
+					minetest.sound_play("pacmine_eatghost", {pos = boardcenter,max_hear_distance = 6, object=player, loop=false})
+					player:get_inventory():add_item('main', 'pacmine:cherrys')
+				else
+					-- Ghost catches the player!
+					gamestate.lives = gamestate.lives - 1
+					if gamestate.lives < 1 then
+						minetest.chat_send_player(gamestate.player_name,"Game Over")
+						player:moveto(vector.add(gamestate.pos,{x=0.5,y=0.5,z=-1.5}))
+						pacmine.game_end(self.gameid)
+						minetest.sound_play("pacmine_death", {pos = boardcenter,max_hear_distance = 20, object=player, loop=false})
+
+					elseif gamestate.lives == 1 then
+						minetest.chat_send_player(gamestate.player_name,"This is your last life")
+						pacmine.game_reset(self.gameid, player)
+					else
+						minetest.chat_send_player(gamestate.player_name,"You have ".. gamestate.lives .." lives left")
+						pacmine.game_reset(self.gameid, player)
+					end
+				end
+				pacmine.update_hud(self.gameid, player)
+
+			else
+				local vec = {x=p.x-s.x, y=p.y-s.y, z=p.z-s.z}
+				local yaw = (math.atan(vec.z/vec.x)+math.pi/2)
+				if p.x > s.x then
+					yaw = yaw + math.pi
+				end
+				-- face player and move backwards/forwards
+				self.object:setyaw(yaw)
+				if gamestate.power_pellet then
+					self.set_velocity(self, -gamestate.speed) --negative velocity
+				else
+					self.set_velocity(self, gamestate.speed)
+				end
+			end
+		end,
+
+		-- This function should return the saved state of the entity in a string
+		get_staticdata = function(self)
+			return (self.gameid or "") .. ";" .. (self.last_reset or "")
+		end,
+
+		-- This function should load the saved state of the entity from a string
+		on_activate = function(self, staticdata)
+			self.object:set_armor_groups({immortal=1})
+			if staticdata and staticdata ~= "" then
+				local data = string.split(staticdata, ";")
+				if #data == 2 then
+					self.gameid = data[1]
+					self.last_reset = tonumber(data[2])
+				end
+			end
+		end
+	})
+end