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annotate eclviewer.py @ 72:6a08f44fa01b

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Handle a few more ANM instructions. pytouhou.game.background needs some serious refactoring.
author Thibaut Girka <thib@sitedethib.com>
date Sun, 28 Aug 2011 01:23:11 +0200
parents 4fe37a620b22
children fc0294c745b6
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rev   line source
18
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1 #!/usr/bin/env python
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2 # -*- encoding: utf-8 -*-
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3 ##
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4 ## Copyright (C) 2011 Thibaut Girka <thib@sitedethib.com>
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5 ##
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6 ## This program is free software; you can redistribute it and/or modify
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7 ## it under the terms of the GNU General Public License as published
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8 ## by the Free Software Foundation; version 3 only.
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9 ##
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10 ## This program is distributed in the hope that it will be useful,
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11 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 ## GNU General Public License for more details.
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14 ##
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15
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16 import sys
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17 import os
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18
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19 import struct
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20 from math import degrees, radians
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21 from io import BytesIO
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22 from itertools import chain
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23
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24 import pygame
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25
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26 from pytouhou.formats.pbg3 import PBG3
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27 from pytouhou.formats.std import Stage
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28 from pytouhou.formats.ecl import ECL
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29 from pytouhou.formats.anm0 import Animations
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30 from pytouhou.game.sprite import AnmWrapper
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31 from pytouhou.game.background import Background
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32 from pytouhou.game.enemymanager import EnemyManager
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33 from pytouhou.opengl.texture import TextureManager
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34 from pytouhou.game.game import GameState
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35 from pytouhou.game.player import Player
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36
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37 import OpenGL
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38 OpenGL.FORWARD_COMPATIBLE_ONLY = True
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39 from OpenGL.GL import *
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40 from OpenGL.GLU import *
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42
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43 def main(path, stage_num):
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44 # Initialize pygame
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45 pygame.init()
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46 window = pygame.display.set_mode((384, 448), pygame.OPENGL | pygame.DOUBLEBUF)
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47
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48 # Initialize OpenGL
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49 glMatrixMode(GL_PROJECTION)
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50 glLoadIdentity()
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51 gluPerspective(30, float(window.get_width())/window.get_height(), 101010101./2010101., 101010101./10101.)
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52
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53 glEnable(GL_BLEND)
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54 glEnable(GL_TEXTURE_2D)
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55 glEnable(GL_FOG)
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56 glHint(GL_FOG_HINT, GL_NICEST)
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57 glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST)
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58 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
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59 glEnableClientState(GL_COLOR_ARRAY)
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60 glEnableClientState(GL_VERTEX_ARRAY)
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61 glEnableClientState(GL_TEXTURE_COORD_ARRAY)
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62
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63 # Load data
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64 with open(path, 'rb') as file:
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65 archive = PBG3.read(file)
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66 texture_manager = TextureManager(archive)
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67
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68 stage = Stage.read(BytesIO(archive.extract('stage%d.std' % stage_num)), stage_num)
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69
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70 ecl = ECL.read(BytesIO(archive.extract('ecldata%d.ecl' % stage_num)))
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71 enemies_anim = Animations.read(BytesIO(archive.extract('stg%denm.anm' % stage_num)))
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72 anims = [enemies_anim]
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73 try:
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74 enemies2_anim = Animations.read(BytesIO(archive.extract('stg%denm2.anm' % stage_num)))
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75 except KeyError:
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76 pass
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77 else:
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78 anims.append(enemies2_anim)
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79 enemy_manager = EnemyManager(stage, AnmWrapper(anims), ecl, GameState([Player()], stage_num, 0, 16))
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80 texture_manager.preload(anims)
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81
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82 background_anim = Animations.read(BytesIO(archive.extract('stg%dbg.anm' % stage_num)))
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83 background = Background(stage, AnmWrapper((background_anim,)))
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84 texture_manager.preload((background_anim,))
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85
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86 print(enemy_manager.stage.name)
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87
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88 frame = 0
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89
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90 # Main loop
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91 clock = pygame.time.Clock()
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92 while True:
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93 # Check events
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94 for event in pygame.event.get():
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95 if event.type == pygame.QUIT or (event.type == pygame.KEYDOWN and event.key in (pygame.K_ESCAPE, pygame.K_q)):
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96 sys.exit(0)
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97 elif event.type == pygame.KEYDOWN:
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98 if event.key == pygame.K_RETURN and event.mod & pygame.KMOD_ALT:
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99 pygame.display.toggle_fullscreen()
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100
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101 # Update game
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102 enemy_manager.update(frame)
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103 background.update(frame)
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104
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105 frame += 1
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106
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107 # Draw everything
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108 # glClearColor(0.0, 0.0, 1.0, 0)
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109 glClear(GL_DEPTH_BUFFER_BIT)
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110
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111 fog_b, fog_g, fog_r, _, fog_start, fog_end = background.fog_interpolator.values
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112 x, y, z = background.position_interpolator.values
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113 dx, dy, dz = background.position2_interpolator.values
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114
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115 glFogi(GL_FOG_MODE, GL_LINEAR)
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116 glFogf(GL_FOG_START, fog_start)
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117 glFogf(GL_FOG_END, fog_end)
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118 glFogfv(GL_FOG_COLOR, (fog_r / 255., fog_g / 255., fog_b / 255., 1.))
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119
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120 #TODO
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121 glMatrixMode(GL_MODELVIEW)
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122 glLoadIdentity()
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123 # Some explanations on the magic constants:
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124 # 192. = 384. / 2. = width / 2.
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125 # 224. = 448. / 2. = height / 2.
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126 # 835.979370 = 224./math.tan(math.radians(15)) = (height/2.)/math.tan(math.radians(fov/2))
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127 # This is so that objects on the (O, x, y) plane use pixel coordinates
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128 gluLookAt(192., 224., - 835.979370 * dz,
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129 192. + dx, 224. - dy, 0., 0., -1., 0.)
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130 glTranslatef(-x, -y, -z)
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131
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132 glEnable(GL_DEPTH_TEST)
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133 for (texture_key, blendfunc), (nb_vertices, vertices, uvs, colors) in background.objects_by_texture.items():
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134 glBlendFunc(GL_SRC_ALPHA, {0: GL_ONE_MINUS_SRC_ALPHA, 1: GL_ONE}[blendfunc])
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135 glBindTexture(GL_TEXTURE_2D, texture_manager[texture_key])
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136 glVertexPointer(3, GL_FLOAT, 0, vertices)
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137 glTexCoordPointer(2, GL_FLOAT, 0, uvs)
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138 glColorPointer(4, GL_UNSIGNED_BYTE, 0, colors)
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139 glDrawArrays(GL_QUADS, 0, nb_vertices)
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140 glDisable(GL_DEPTH_TEST)
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141
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142 #TODO
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143 glMatrixMode(GL_MODELVIEW)
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144 glLoadIdentity()
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145 # Some explanations on the magic constants:
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146 # 192. = 384. / 2. = width / 2.
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147 # 224. = 448. / 2. = height / 2.
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148 # 835.979370 = 224./math.tan(math.radians(15)) = (height/2.)/math.tan(math.radians(fov/2))
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149 # This is so that objects on the (O, x, y) plane use pixel coordinates
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150 gluLookAt(192., 224., - 835.979370,
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151 192., 224., 0., 0., -1., 0.)
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152
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153 glDisable(GL_FOG)
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154 for (texture_key, blendfunc), (nb_vertices, vertices, uvs, colors) in enemy_manager.objects_by_texture.items():
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155 glBlendFunc(GL_SRC_ALPHA, {0: GL_ONE_MINUS_SRC_ALPHA, 1: GL_ONE}[blendfunc])
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156 glBindTexture(GL_TEXTURE_2D, texture_manager[texture_key])
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157 glVertexPointer(3, GL_FLOAT, 0, vertices)
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158 glTexCoordPointer(2, GL_FLOAT, 0, uvs)
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159 glColorPointer(4, GL_UNSIGNED_BYTE, 0, colors)
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160 glDrawArrays(GL_QUADS, 0, nb_vertices)
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161 glEnable(GL_FOG)
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162
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163 pygame.display.flip()
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164 clock.tick(120)
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165
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166
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167
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168 try:
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169 file_path, stage_num = sys.argv[1:]
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170 stage_num = int(stage_num)
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171 except ValueError:
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172 print('Usage: %s std_dat_path stage_num' % sys.argv[0])
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173 else:
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174 main(file_path, stage_num)
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175