From: Harishankar <v.harishankar@gmail.com>
Date: Wed, 5 Oct 2011 13:19:09 +0000 (+0530)
Subject: Added the Conversation Interaction
X-Git-Url: https://harishankar.org/repos/?p=butaba-adventures.git;a=commitdiff_plain;h=99f418a54ea2816559c23569fc880812d669644d

Added the Conversation Interaction

Added conversation for NPC code
---

diff --git a/maingame.py b/maingame.py
index 32df4cc..687db49 100644
--- a/maingame.py
+++ b/maingame.py
@@ -64,7 +64,8 @@ class MainGame:
 		self.img_bulisa = pygame.image.load (os.path.join ("sprite", "bulisa.png")).convert ()
 		self.img_bulisa.set_colorkey (pygame.Color (0, 255, 0))
 
-		# initialize NPC portraits
+		# initialize portraits
+		self.img_butaba_portrait = pygame.image.load (os.path.join ("portraits", "butaba.png")).convert ()
 		self.img_bulisa_portrait = pygame.image.load (os.path.join ("portraits", "bulisa.png")).convert ()
 
 		# set level data
@@ -255,7 +256,7 @@ class MainGame:
 	# interaction with npcs
 	def interact_npc (self, npc):
 		# interact with NPC and get the response ID
-		resp_id = utility.dialogue_play (self.screen, self.img_dialogue, npc, self.butaba, 0, 90)
+		resp_id = utility.dialogue_play (self.screen, self.img_dialogue, npc, self.img_butaba_portrait, 0, 90)
 
 		# if none
 		if resp_id is None:
diff --git a/portraits/bulisa.png b/portraits/bulisa.png
index f8f7a97..2563f9e 100644
Binary files a/portraits/bulisa.png and b/portraits/bulisa.png differ
diff --git a/portraits/butaba.png b/portraits/butaba.png
new file mode 100644
index 0000000..02355ad
Binary files /dev/null and b/portraits/butaba.png differ
diff --git a/utility.py b/utility.py
index 93dac19..f452e7f 100644
--- a/utility.py
+++ b/utility.py
@@ -6,7 +6,7 @@ import xml.etree.cElementTree as ET
 import textwrap
 
 # function to run through an interactive dialogue and return the response ID
-def dialogue_play (screen, bgscreen, npc, responder,
+def dialogue_play (screen, bgscreen, npc, responder_portrait=None,
 					marginleft=0, margintop=0, marginright=0, marginbottom=0):
 
 	# first check if NPC has a dialogue at all
@@ -15,6 +15,8 @@ def dialogue_play (screen, bgscreen, npc, responder,
 
 	# get the conversation as a dictionary
 	convtree = xml_to_dict (npc.dialogues[npc.currentdialog])
+	import pprint
+	pprint.pprint (convtree)
 
 	scrwidth = screen.get_width ()
 	scrheight = screen.get_height ()
@@ -25,25 +27,78 @@ def dialogue_play (screen, bgscreen, npc, responder,
 
 	# now initiate the conversation
 	dlg_id = "1"
+	reply_mode = False
+	current_resp = convtree[dlg_id][1][0][1]
+
 	while 1:
 		screen.blit (bgscreen, (leftedge, topedge))
-		if npc.portrait is not None:
-			screen.blit (npc.portrait, (leftedge, topedge))
-
-		# get the lines to display wrapped using textwrap module
-		lines = []
-		textnpc = textwrap.wrap (convtree[dlg_id][0], 40)
-		for text in textnpc:
-			lines.append ((10, 0, 0, 0, text))
-
-		put_lines (screen, lines,
-						pygame.Rect(leftedge+marginleft, topedge+margintop,
-							bgwidth-marginleft-marginright, bgheight-margintop-marginbottom))
-		pygame.display.update ()
 
-		for event in pygame.event.get ():
-			if event.type == pygame.QUIT:
-				sys.exit (0)
+		# a dialgoue ID of 0 always exits the conversation
+		# return the unique response ID
+		if dlg_id == "0":
+			print current_resp
+			return current_resp
+
+		# not reply mode
+		if reply_mode is False:
+			if npc.portrait is not None:
+				screen.blit (npc.portrait, (leftedge, topedge))
+
+			# get the lines to display wrapped using textwrap module
+			lines = []
+			textnpc = textwrap.wrap (convtree[dlg_id][0], 40)
+			for text in textnpc:
+				lines.append ((10, 0, 0, 0, text))
+
+			put_lines (screen, lines,
+							pygame.Rect(leftedge+marginleft, topedge+margintop,
+								bgwidth-marginleft-marginright, bgheight-margintop-marginbottom))
+			pygame.display.update ()
+
+			for event in pygame.event.get ():
+				if event.type == pygame.QUIT:
+					sys.exit (0)
+				elif event.type == pygame.KEYDOWN:
+					# now continue the dialog
+					if event.key == pygame.K_RETURN or event.key == pygame.K_SPACE:
+						reply_mode = True
+						current_resp = convtree[dlg_id][1][0][1]
+						sel = 0
+		# reply mode
+		else:
+			if responder_portrait is not None:
+				screen.blit (responder_portrait, (leftedge, topedge))
+
+			lines = []
+			for resptext, respid, nextdlgid in convtree[dlg_id][1]:
+				if respid == current_resp:
+					lines.append ((10, 255, 0, 0, resptext))
+				else:
+					lines.append ((10, 0, 0, 0, resptext))
+
+			put_lines (screen, lines,
+						pygame.Rect (leftedge+marginleft, topedge+margintop,
+									bgwidth-marginleft-marginright, bgheight-margintop-marginbottom))
+
+			pygame.display.update ()
+			for event in pygame.event.get ():
+				if event.type == pygame.QUIT:
+					sys.exit (0)
+				elif event.type == pygame.KEYDOWN:
+					if event.key == pygame.K_UP or event.key == pygame.K_LEFT:
+						sel -= 1
+						if sel < 0:
+							sel = 0
+						current_resp = convtree[dlg_id][1][sel][1]
+					elif event.key == pygame.K_DOWN or event.key == pygame.K_RIGHT:
+						sel += 1
+						if sel >= len (convtree[dlg_id][1]):
+							sel = len(convtree[dlg_id][1]) - 1
+						current_resp = convtree[dlg_id][1][sel][1]
+
+					elif event.key == pygame.K_RETURN or event.key == pygame.K_SPACE:
+						dlg_id = convtree[dlg_id][1][sel][2]
+						reply_mode = False
 
 # function to parse a conversation XML into a python dictionary
 def xml_to_dict (file):
@@ -56,10 +111,13 @@ def xml_to_dict (file):
 	convtree = dict ()
 	for dlg in conversation.findall ("dialogue"):
 		id = dlg.get ("id")
-		convtree[id] = []
-		convtree[id].append (dlg.find ("speech").text)
+		speech = dlg.find ("speech").text
+		responses = []
 		for resp in dlg.findall ("response"):
-			convtree[id].append ((resp.text, resp.get ("id"), resp.get ("nextdialogue")))
+			responses.append ((resp.text, resp.get ("id"), resp.get ("nextdialogue")))
+
+		convtree[id] = (speech, responses)
+
 
 	return convtree