Began working on NPC code
authorHarishankar <v.harishankar@gmail.com>
Tue, 4 Oct 2011 11:21:41 +0000 (16:51 +0530)
committerHarishankar <v.harishankar@gmail.com>
Tue, 4 Oct 2011 11:21:41 +0000 (16:51 +0530)
Started with the NPC code. Interaction and other details
will follow.

dialogues/bulisa1.dlg [new file with mode: 0644]
gameobjects.py
level.py
maingame.py
npcs.py [new file with mode: 0644]
utility.py

diff --git a/dialogues/bulisa1.dlg b/dialogues/bulisa1.dlg
new file mode 100644 (file)
index 0000000..c5db25b
--- /dev/null
@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<conversation>
+  <dialogue id="1">
+    <speech>Hello, Butaba. Welcome back. How are you?</speech>
+    <response id="1" nextdialogue="2">I am fine</response>
+    <response id="2" nextdialogue="3">I am looking for a job</response>
+    <response id="3" nextdialogue="0">Bye!</response>
+  </dialogue>
+  <dialogue id="2">
+    <speech>Glad to know you're fine my friend. So what's up?</speech>
+    <response id="4" nextdialogue="3">I am looking for a job</response>
+    <response id="5" nextdialogue="0">Bye!</response>
+  </dialogue>
+  <dialogue id="3">
+    <speech>I haven't a job for you now, but I could use your help.</speech>
+    <response id="6" nextdialogue="4">What help?</response>
+    <response id="7" nextdialogue="5">Not interested.</response>
+    <response id="8" nextdialogue="0">Bye!</response>
+  </dialogue>
+  <dialogue id="4">
+    <speech>If you could draw some water from my well, I would be very grateful.</speech>
+    <response id="9" nextdialogue="6">I will do so!</response>
+    <response id="10" nextdialogue="5">Oh, I am afraid not. So sorry</response> 
+    <response id="11" nextdialogue="0">Bye!</response>
+  </dialogue>
+  <dialogue id="5">
+    <speech>Oh, no problem. That's all right, then.</speech>
+    <response id="12" nextdialogue="0">Bye!</response>
+  </dialogue>
+  <dialogue id="6">
+    <speech>Thanks so much! There is an empty bucket somewhere in the garden. 
+    Take that, go to the well behind the house, draw water and bring it back to me.</speech>
+    <response id="13" nextdialogue="0">Right. I'll go at once.</response>
+  </dialogue>
+</conversation>
\ No newline at end of file
index 190631f..2edbc5b 100644 (file)
@@ -1,18 +1,15 @@
 # object classes - classes for game interactive objects
-import pygame
-import os.path
-
-import utility
 
 # base class for all objects
 class GameObject:
        # initialization routine
-       def __init__ (self, row, col, text, image = None, can_pickup = True):
+       def __init__ (self, row, col, text, image = None, can_pickup = True, use_str = "Use"):
                self.row = row
                self.col = col
                self.image = image
                self.text = text
                self.can_pickup = can_pickup
+               self.use_str = use_str
 
        # override this for interaction, i.e. when character walks into the item
        def interact (self):
@@ -30,7 +27,7 @@ class GoldCoins (GameObject):
        def __init__ (self, row, col, image, value):
                text = "gold coins"
                self.value = value
-               GameObject.__init__ (self, row, col, text, image, False)
+               GameObject.__init__ (self, row, col, text, image, False, "Take")
 
        # no interaction with this object
        def interact (self):
@@ -45,7 +42,7 @@ class HealthPotion (GameObject):
        # initialize
        def __init__ (self, row, col, image):
                text = "health potion"
-               GameObject.__init__ (self, row, col, text, image, True)
+               GameObject.__init__ (self, row, col, text, image, True, "Drink")
 
        # no interaction with this object
        def interact (self):
@@ -62,7 +59,7 @@ class Chest (GameObject):
                self.key_id = key_id
                self.locked = locked
                self.objects = objects
-               GameObject.__init__ (self, row, col, text, image, False)
+               GameObject.__init__ (self, row, col, text, image, False, "Open")
 
        # no interaction with this object. Also solid so return False
        def interact (self):
index 5aea98c..de8d76f 100644 (file)
--- a/level.py
+++ b/level.py
@@ -13,7 +13,8 @@ import object
 
 # Class to represent levels
 class Level:
-       def __init__ (self, bgdata, levelleft=None, levelright=None, leveltop = None, levelbottom = None, objects=[]):
+       def __init__ (self, bgdata, levelleft=None, levelright=None,
+                               leveltop = None, levelbottom = None, objects=[], npcs=[]):
                self.background = bgdata
                # portals for level above, below, left or right of the character
                self.levelleft = levelleft
@@ -23,3 +24,6 @@ class Level:
 
                # objects in the level as a list
                self.objects = objects
+
+               # npcs in the level as a list
+               self.npcs = npcs
index 02527db..431d44d 100644 (file)
@@ -9,6 +9,7 @@ import butaba
 import utility
 import gameobjects
 import constants
+import npcs
 
 class MainGame:
 
@@ -56,6 +57,10 @@ class MainGame:
                self.img_butabaright = pygame.image.load (os.path.join ("sprite", "butaba-right.png")).convert ()
                self.img_butabaright.set_colorkey (pygame.Color (0, 255, 0))
 
+               # initialize NPC graphics
+               self.img_bulisa = pygame.image.load (os.path.join ("sprite", "bulisa.png")).convert ()
+               self.img_bulisa.set_colorkey (pygame.Color (0, 255, 0))
+
                # set level data
                self.setup_levels ()
                # set current level and position of our character
@@ -80,6 +85,8 @@ class MainGame:
                potion2 = gameobjects.HealthPotion (5, 2, self.img_redpotion)
                potion3 = gameobjects.HealthPotion (5, 2, self.img_redpotion)
 
+               npc_bulisa = npcs.Bulisa (4, 3, self.img_bulisa, None)
+
                chest1.objects = [ gold50, gold25, potion2, potion3, key2, gold10 ]
 
                # create the levels
@@ -89,7 +96,7 @@ class MainGame:
                self.level1w = level.Level (cPickle.load (file ("levels/level1w.dat")))
 
                self.level1e = level.Level (cPickle.load (file ("levels/level1e.dat")),
-                               objects = [ key1, potion, chest2 ])
+                               objects = [ key1, potion, chest2 ], npcs = [ npc_bulisa ])
 
                # set up the interaction between levels
                self.level1.levelright = self.level1e
@@ -106,6 +113,8 @@ class MainGame:
                        self.draw_level_background (self.currentlevel)
                        # draw level objects
                        self.draw_level_objects (self.currentlevel)
+                       # draw the NPCs in the level
+                       self.draw_level_npcs (self.currentlevel)
                        # draw our character
                        self.draw_butaba ()
                        # display the character's inventory
@@ -221,8 +230,24 @@ class MainGame:
 
                notblock = self.interact_objects (level, objs)
 
+               # get npc at current location
+               current_npc = None
+               for npc in level.npcs:
+                       if npc.row == row and npc.col == col:
+                               current_npc = npc
+                               break
+
+               # npcs always block the tile. So return false if there is an NPC
+               # at the location
+               if current_npc is not None:
+                       self.interact_npc (current_npc)
+                       return False
+
                return notblock
 
+       # interaction with npcs
+       def interact_npc (self, npc):
+               pass
 
        # interaction with objects
        def interact_objects (self, container, objs):
@@ -236,7 +261,7 @@ class MainGame:
                                notblock = False
                        # if object can be picked up ask
                        if obj.can_pickup is True:
-                               ans = utility.ask_question (self.screen, "Found %s." % obj.text, ["Pick up", "Use", "Ignore"], self.img_menu)
+                               ans = utility.ask_question (self.screen, "Found %s." % obj.text, ["Pick up", obj.use_str, "Ignore"], self.img_menu)
                                # if the answer is "pick up"
                                if ans == 1:
                                        self.pickup_object (container, obj)
@@ -245,12 +270,20 @@ class MainGame:
                                        self.use_object (container, obj)
                        # if it cannot be picked up, try to use it anyway
                        else:
-                               ans = utility.ask_question (self.screen, "Found %s." % obj.text, ["Use", "Ignore"], self.img_menu)
+                               ans = utility.ask_question (self.screen, "Found %s." % obj.text, [obj.use_str, "Ignore"], self.img_menu)
                                if ans == 1:
                                        self.use_object (container, obj)
 
                return notblock
 
+       # transfer an object from one container to another
+       # container must have an objects list
+       def transfer_object (self, source, obj, dest):
+               # remove object from source
+               source.objects.remove (obj)
+               # add object to destination
+               dest.objects.append (obj)
+
        # picking up an object
        def pickup_object (self, container, obj):
                # only if object can be picked up, pick it up or use it
@@ -260,9 +293,7 @@ class MainGame:
                                self.status_message = "Cannot pick up item. Inventory full"
                        else:
                                # add item to inventory
-                               self.butaba.objects.append (obj)
-                               # remove from container
-                               container.objects.remove (obj)
+                               self.transfer_object (container, obj, self.butaba)
 
                                self.status_message = "You picked up %s" % obj.text
 
@@ -452,3 +483,10 @@ class MainGame:
                for obj in level.objects:
                        if obj.image is not None:
                                self.screen.blit (obj.image, (obj.col*48, obj.row*48))
+
+
+       # Draw the NPCs in the level
+       def draw_level_npcs (self, level):
+               for npc in level.npcs:
+                       if npc.image is not None:
+                               self.screen.blit (npc.image, (npc.col*48, npc.row*48))
diff --git a/npcs.py b/npcs.py
new file mode 100644 (file)
index 0000000..ae781da
--- /dev/null
+++ b/npcs.py
@@ -0,0 +1,34 @@
+# class for Non-Player characters in the game
+
+import os.path
+
+# NPC base class
+
+class NPC:
+       # initalize the NPC
+       def __init__ (self, charname, row, col, image=None, portrait=None, dialogue_set=set(),
+                               currentdialog=0, is_dead=False):
+               # name of the character
+               self.charname = charname
+               # row and column to appear (in level)
+               self.row = row
+               self.col = col
+               # image to represent on level
+               self.image = image
+               # portrait on dialogues
+               self.portrait = portrait
+               # dialogue set for NPC
+               # each dialogue in the set is a path to an XML file containing the dialogue
+               self.dialogue_set = dialogue_set
+               # index of the current dialogue which will be initiated with the main
+               # character
+               self.currentdialog = currentdialog
+               # whether the character is dead or alive. If dead no interaction of any
+               # kind can take place.
+               self.is_dead = is_dead
+
+# Bulisa is Butaba's friend
+class Bulisa (NPC):
+       def __init__ (self, row, col, image, portrait, dialogue_set=set(), currentdialog=0):
+               NPC.__init__ (self, "Bulisa", row, col, image, portrait, dialogue_set, currentdialog)
+
index f88430c..05faab5 100644 (file)
@@ -39,7 +39,7 @@ def ask_question (surface, question, answers, bgscreen):
                i = 1
                for answer in answers:
                        if sel_answer == i:
-                               r, g, b = 0, 0, 216
+                               r, g, b = 255, 0, 0
                        else:
                                r, g, b = 0, 0, 0
                        textarray.append ( [10, r, g, b, answer] )