X-Git-Url: https://harishankar.org/repos/?p=butaba-adventures.git;a=blobdiff_plain;f=utility.py;h=f88430cc7192efe70c17ff17d44b872550e3240d;hp=5d8c45d0e3e24bbbe6c95ffcc066c4212d7489dc;hb=0b36c3ccd4cb9cdf58fa5285366f023a8c931c61;hpb=7dbb8e9b6766b7c0c17433bea3c88a321036b837

diff --git a/utility.py b/utility.py
index 5d8c45d..f88430c 100644
--- a/utility.py
+++ b/utility.py
@@ -1,29 +1,137 @@
 # utility functions for the game
 import pygame
+import sys
 import os.path
 
 # function to draw text on surface
 def put_text (surface,  x, y, size, (r,g,b), text):
-	harisfont = os.path.join ("font", "HarisComic-2.ttf")
+	harisfont = os.path.join ("font", "harisgamefont.ttf")
 	textsurf = pygame.font.Font (harisfont, size).render (text, True, pygame.Color (r,g,b))
 	surface.blit (textsurf, (x, y))
 
+# function to draw several lines of text, centered horizontally and vertically on surface
+def put_lines (surface, text_lines):
+	textsurfs = []
+	height = 0
+	harisfont = os.path.join ("font", "harisgamefont.ttf")
 
+	for size, r, g, b, text in text_lines:
+		s = pygame.font.Font (harisfont, size).render (text, True, pygame.Color (r,g,b))
+		# add spacing
+		height = height + s.get_height()*1.5
+		textsurfs.append (s)
+
+	scrwidth = surface.get_width ()
+	scrheight = surface.get_height ()
+	i = 0
+	for s in textsurfs:
+		surface.blit (s, (scrwidth/2 - s.get_width()/2, scrheight/2 - height/2+ i* (s.get_height()*1.5)))
+		i += 1
 
 # function to ask a question and return answer
-def ask_question (surface, question, answers):
-	pygame.draw.rect (surface, pygame.Color (255, 255, 128), pygame.Rect (40, 40, 480-40, 480-40))
+def ask_question (surface, question, answers, bgscreen):
+
+	sel_answer = 1
+
+	while 1:
+		textarray = [ [ 10, 128, 0, 0, question ] ]
+
+		i = 1
+		for answer in answers:
+			if sel_answer == i:
+				r, g, b = 0, 0, 216
+			else:
+				r, g, b = 0, 0, 0
+			textarray.append ( [10, r, g, b, answer] )
+
+			i += 1
+
+		surface.blit (bgscreen, (surface.get_width()/2 - bgscreen.get_width()/2,
+									surface.get_height()/2 - bgscreen.get_height()/2))
+		put_lines (surface, textarray)
+
+		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:
+					sel_answer -= 1
+					if sel_answer < 1:
+						sel_answer = 1
+				elif event.key == pygame.K_DOWN:
+					sel_answer += 1
+					if sel_answer > len(answers):
+						sel_answer = len(answers)
+				elif event.key == pygame.K_RETURN:
+					return sel_answer
+
+# function displaying the contents of a container. Object must contain
+# items list
+# edgewidth - container edges to avoid drawing items in
+def get_container_object (surface, obj, bgimage, edgewidth=0):
+
+	# get the number of items
+	numitems = len (obj.objects)
+	# number of rows
+	num_rows = (bgimage.get_height () - edgewidth*2) / 48
+	# number of cols
+	num_cols = (bgimage.get_width () - edgewidth*2) / 48
 
-	put_text (surface, 60, 60, 22, (0, 0, 192), question)
+	objposx = surface.get_width()/2 - bgimage.get_width()/2
+	objposy = surface.get_height()/2 - bgimage.get_height()/2
 
-	i = 1
-	for answer in answers:
-		put_text (surface, 60, i*20+60, 22, (0, 0, 128), "%d" % i)
-		put_text (surface, 80, i*20+60, 22, (0, 0, 0), answer)
+	selitem = 0
+	selrow = 0
+	selcol = 0
 
 	while 1:
+		# display the background for the container
+		surface.blit (bgimage, (objposx, objposy))
+
+		# display each item in the container
+		i = 0
+		j = 0
+
+		# display all the items in container
+		for item in obj.objects:
+			surface.blit (item.image, (objposx + edgewidth+ j*48, objposy + edgewidth + i*48))
+			j += 1
+			if j >= num_cols:
+				j = 0
+				i += 1
+		# only draw selector if there is at least one item
+		if numitems > 0:
+			pygame.draw.rect (surface, pygame.Color (255,255,255),
+					pygame.Rect(objposx + edgewidth + selcol*48, objposy + edgewidth + selrow*48, 48, 48), 1)
+
+		pygame.display.update ()
+
+		# get events
 		for event in pygame.event.get ():
 			if event.type == pygame.QUIT:
 				sys.exit (0)
 			elif event.type == pygame.KEYDOWN:
-				print event.key
+				if event.key == pygame.K_ESCAPE:
+					return None
+				elif event.key == pygame.K_RETURN:
+					if numitems > 0 and selitem >= 0 and selitem < numitems:
+						return obj.objects[selitem]
+					else:
+						return None
+				elif event.key == pygame.K_UP or event.key == pygame.K_LEFT:
+					# go to the prev item
+					selitem -= 1
+					if selitem < 0:
+						selitem = numitems - 1
+					selrow = selitem / num_cols
+					selcol = selitem % num_cols
+
+				elif event.key == pygame.K_DOWN or event.key == pygame.K_RIGHT:
+					# go to the next item
+					selitem += 1
+					if selitem > numitems - 1:
+						selitem = 0
+					selrow = selitem / num_cols
+					selcol = selitem % num_cols