Map rendering test in PyOpenGL.

test-map.py

@@ -0,0 +1,120 @@
+#!/usr/bin/env python
+
+import os
+
+import OpenGL
+OpenGL.ERROR_CHECKING = False
+from OpenGL.GL import *
+from OpenGL.GLU import *
+
+import pygame, pygame.image
+from pygame.locals import *
+
+textures = [0,0]
+
+def resize((width, height)):
+    glViewport(0, 0, width, height)
+    glMatrixMode(GL_PROJECTION)
+    glLoadIdentity()
+    glOrtho(0, width, height, 0, 0, 1);
+    glMatrixMode(GL_MODELVIEW)
+    glLoadIdentity()
+
+def init():
+    glEnable(GL_TEXTURE_2D)
+    load_textures()
+    glShadeModel(GL_SMOOTH)
+    glClearColor(0.0, 0.0, 0.0, 0.0)
+    glClearDepth(1.0)
+    glEnable(GL_DEPTH_TEST)
+    glDepthFunc(GL_LEQUAL)
+    glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST)
+
+def load_textures():
+    texturefile = os.path.join('art','test','groundtest.png')
+    textureSurface = pygame.image.load(texturefile)
+    textureData = pygame.image.tostring(textureSurface, "RGBX", 1)
+
+    glBindTexture(GL_TEXTURE_2D, textures[0])
+    glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, textureSurface.get_width(), textureSurface.get_height(), 0,
+                  GL_RGBA, GL_UNSIGNED_BYTE, textureData );
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST)
+    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST)
+
+def put_map(themap):
+    glBegin(GL_QUADS)
+    y = 0.0
+    for line in themap:
+        x = 0.0
+        for tile in line:
+            sy = .0625 * (15 - tile / 16)
+            sx = .0625 * (tile % 16)
+            glTexCoord2f(sx, sy); glVertex2f(x, y + 32.0);
+            glTexCoord2f(sx + .0625, sy); glVertex2f(x + 32.0, y + 32.0);
+            glTexCoord2f(sx + .0625, sy + .0625); glVertex2f(x + 32.0, y);
+            glTexCoord2f(sx, sy + .0625); glVertex2f(x, y);
+            x += 32.0
+        y += 32.0
+    glEnd();				
+
+def draw():
+    #glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
+    glLoadIdentity()
+
+    themap = [
+        [ 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17 ],
+        [ 17,  0,  1,  1,  1, 33,  1,  1,  1,  1,  1,  1,  2, 33,  3, 17, 17, 17, 17, 17 ],
+        [ 17, 16, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 17, 19,  3, 17, 17, 17, 17 ],
+        [ 17, 18, 17, 48, 49, 50, 48, 49, 50, 48, 49, 17, 16, 17, 16, 18, 17, 17, 17, 17 ],
+        [ 17, 16, 17, 48, 49, 50, 48, 49, 50, 48, 49, 17, 16, 17, 16, 16, 17, 17, 17, 17 ],
+        [ 17, 16, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 18, 17, 19, 35, 17, 17, 17, 17 ],
+        [ 17, 32,  1,  1,  1,  1,  1,  1,  1,  1, 33,  1, 34,  1, 35, 17, 17, 17, 17, 17 ],
+        [ 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17 ],
+        [ 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51 ],
+        [ 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51 ],
+        [ 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51 ],
+        [ 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51 ],
+        [ 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51 ],
+        [ 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51 ],
+        [ 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51, 51 ],
+    ]
+    put_map(themap)
+
+def main():
+
+    video_flags = OPENGL|DOUBLEBUF
+
+    pygame.init()
+    surface = pygame.display.set_mode((640,480), video_flags)
+
+    resize((640,480))
+    init()
+
+    frames = 0
+    ticks = pygame.time.get_ticks()
+    start = ticks
+    while 1:
+        event = pygame.event.poll()
+        if event.type == QUIT or (event.type == KEYDOWN and event.key == K_ESCAPE):
+            break
+
+        # Enforce 33 fps
+        while pygame.time.get_ticks() < ticks + 33:
+            pygame.time.wait(1)
+        ticks = pygame.time.get_ticks()
+
+        draw()
+        pygame.display.flip()
+        frames = frames+1
+#        if frames > 200:
+#            break
+
+    print "fps:  %d" % ((frames*1000)/(pygame.time.get_ticks()-start))
+
+
+if __name__ == '__main__': main()
+
+#import cProfile
+#cProfile.run('main()')
+
+