295 lines
11 KiB
Python
295 lines
11 KiB
Python
# Copyright (C) 2022 RozK
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import time
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from math import pi, tau, dist
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from ctypes import Structure
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from engine import *
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from game import math
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from game import shader
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from game import triangles
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from game import sea
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from game.generator import Generator
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from game.resources import RuntimeArchive
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from game.batch import Batch
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from game.camera import Camera
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from game.environment import Environment
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from game.events import Events
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from game.mouse import Mouse
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from game.keyboard import Keyboard
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proj_hfov = pi * 0.25
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proj_ratio = 16.0 / 9.0
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proj_near_z = 8.0
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proj_far_z = 3000.0
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sun_direction = math.vec3_normalize((1.0, 0.0, 0.5))
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sun_power = 1.0
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def main():
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print("Generating terrain...")
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gen_begin = time.thread_time()
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generated = Generator(256)
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gen_end = time.thread_time()
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print("Done: ", round(gen_end - gen_begin, 2), "seconds")
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print("Initializing...")
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display = create_display(b'RK Island - Drag to rotate, wheel to zoom, q to quit', 1600, 900)
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assert display
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events = Events(display)
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mouse = Mouse(events, wheel = 60, wheel_min = 20)
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keyboard = Keyboard(events)
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render_initialize(__debug__)
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terrain_shader = shader.load('terrain', 'common')
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tests_shader = shader.load('tests', 'common')
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sky_shader = shader.load('sky')
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heightmap = create_texture(
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TEXTURE_FORMAT_FLOAT_32, 256, 256, 0, TEXTURE_FLAG_MIN_LINEAR | TEXTURE_FLAG_MAG_LINEAR,
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generated.packed_heights)
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terrain_heightmap_sampler = resolve_input(terrain_shader, b'u_height_sampler')
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tests_heightmap_sampler = resolve_input(tests_shader, b'u_height_sampler')
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normalmap = create_texture(
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TEXTURE_FORMAT_RGB10_A2, 256, 256, 0, TEXTURE_FLAG_MIN_LINEAR | TEXTURE_FLAG_MAG_LINEAR,
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generated.packed_normals)
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terrain_normalmap_sampler = resolve_input(terrain_shader, b'u_normal_sampler')
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tests_normalmap_sampler = resolve_input(tests_shader, b'u_normal_sampler')
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print("Loading resources...")
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archive = RuntimeArchive.load('data/rk_island.rkar')
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print("Building tiles...")
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tiles_texture = archive.get_texture('tiles')
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tiles_sampler = resolve_input(terrain_shader, b'u_texture_sampler')
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tiles_vertices = archive.get_vertices('tiles')
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water_model = archive.get_model('water')
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sand_model = archive.get_model('sand')
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grass_model = archive.get_model('grass')
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forest_model = archive.get_model('forest')
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rock_model = archive.get_model('rock')
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mud_model = archive.get_model('mud')
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lava_model = archive.get_model('lava')
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terrain_batch = Batch(tiles_vertices, generated.size ** 2, 8, translation = PARAM_FORMAT_VEC3_SHORT)
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#TODO: generator & for real
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vc = generated.volcano_c
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vr = generated.volcano_r
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for my, mx in generated.map_coords:
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vd = dist((mx + 0.5, my + 0.5), vc)
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nx, ny, nz, h = generated.unpack(my, mx)
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r = generated.rivers[my * generated.size + mx]
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if h == 0.0:
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continue
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if r > 0.0:
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model = water_model
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elif h < 2.0:
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model = sand_model
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elif h < 180:
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if nz > 0.9:
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if ny < -0.01 and nz > 0.93:
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model = forest_model
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else:
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model = grass_model
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else:
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model = rock_model
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elif vd < vr - 3.0 and nz > 0.999:
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model = lava_model
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elif vd < vr + 2.0:
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model = mud_model
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elif vd < vr + 6.0 and nz < 0.67:
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model = mud_model
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else:
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model = rock_model
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model.spawn(terrain_batch, vec3(float(((mx - 128) * 8) + 4), float(((127 - my) * 8) + 4), 0.0))
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tests_texture = archive.get_texture('tests')
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tests_sampler = resolve_input(tests_shader, b'u_texture_sampler')
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tests_vertices = archive.get_vertices('tests')
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blob_model = archive.get_model('blob')
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cube_model = archive.get_model('cube')
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clouds_model = archive.get_model('clouds')
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tests_batch = Batch(tests_vertices, 3, 3,
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translation = PARAM_FORMAT_VEC3_FLOAT,
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orientation = PARAM_FORMAT_MAT3_INT10 | PARAM_FORMAT_NORMALIZE)
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blob_spawn_translation = vec3(-100.0, -500.0, 0.0)
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cube_spawn_translation = vec3(100.0, -500.0, 0.0)
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blob_forward = math.vec3_normalize((sun_direction[0], sun_direction[1], 0.0))
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blob_right = math.vec3_cross(blob_forward, math.vec3_up)
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blob_id = blob_model.spawn(tests_batch,
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blob_spawn_translation, mat3(vec3(*blob_right), vec3(*blob_forward), vec3_up))
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cube_id = cube_model.spawn(tests_batch, cube_spawn_translation, mat3_identity)
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clouds_id = clouds_model.spawn(tests_batch, vec3(0.0, 0.0, 32.0), mat3_identity)
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sea_phase = resolve_input(sky_shader, b'u_sea_phase')
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sea_polar_textures = sea.load_polar_textures(('data/sea_bump1.png', 'data/sea_bump2.png'))
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sea_polar_sampler = resolve_input(sky_shader, b'u_sea_polar_sampler')
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sea_detail_texture = sea.load_detail_texture('data/sea_bump.png')
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sea_detail_sampler = resolve_input(sky_shader, b'u_sea_detail_sampler')
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sky_triangles = create_triangles(triangles.sky_triangles(64, proj_far_z - 0.1, proj_ratio))
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camera = Camera()
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camera.set_projection(proj_hfov, proj_ratio, proj_near_z, proj_far_z)
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terrain_camera_inputs = camera.resolve_inputs(terrain_shader)
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tests_camera_inputs = camera.resolve_inputs(tests_shader)
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sky_camera_inputs = camera.resolve_inputs(sky_shader)
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environment = Environment()
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terrain_environment_inputs = environment.resolve_inputs(terrain_shader)
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tests_environment_inputs = environment.resolve_inputs(tests_shader)
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sky_environment_inputs = environment.resolve_inputs(sky_shader)
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blob_translation = tests_batch.translation[blob_id]
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cube_translation = tests_batch.translation[cube_id]
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cube_orientation = tests_batch.orientation[cube_id]
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clouds_orientation = tests_batch.orientation[clouds_id]
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print("Running... Ctrl+c to quit")
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start_time = time.monotonic()
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current_time = 0.0
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frame = 0
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frame_min = 10000.0
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frame_max = 0.0
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frame_avg = 0.0
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draw_min = 10000.0
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draw_max = 0.0
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draw_avg = 0.0
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perf_count = 0
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try:
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while True:
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current_time = time.monotonic() - start_time
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frame_begin = time.thread_time()
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events.update()
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if keyboard.quit:
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break
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begin_frame()
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camera_distance = mouse.wheel * 20.0
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camera_yaw = mouse.drag[0] * 0.001
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camera_pitch = mouse.drag[1] * 0.001 + pi * 0.25
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camera.set_view(camera_yaw, camera_pitch, camera_distance)
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environment.from_sun(camera.view, sun_direction, sun_power)
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select_shader(terrain_shader)
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camera.update_inputs(terrain_camera_inputs)
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environment.update_inputs(terrain_environment_inputs)
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select_texture(0, tiles_texture, tiles_sampler)
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select_texture(1, heightmap, terrain_heightmap_sampler)
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select_texture(2, normalmap, terrain_normalmap_sampler)
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select_vertices(tiles_vertices)
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draw_begin = time.thread_time()
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terrain_batch.draw()
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draw_end = time.thread_time()
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unselect_vertices(tiles_vertices)
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unselect_texture(0, tiles_texture)
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unselect_texture(1, heightmap)
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unselect_texture(2, normalmap)
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unselect_shader(terrain_shader)
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rotation = mat3()
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mat3_rotation(rotation, vec3_up, (current_time * 0.21) % tau)
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mat3_mul_vec3(blob_translation, rotation, blob_spawn_translation)
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mat3_mul_vec3(cube_translation, rotation, cube_spawn_translation)
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mat3_rotation(cube_orientation, vec3_up, (current_time * 0.43) % tau)
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mat3_rotation(clouds_orientation, vec3_up, (current_time * -0.037) % tau)
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select_shader(tests_shader)
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camera.update_inputs(tests_camera_inputs)
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environment.update_inputs(tests_environment_inputs)
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select_texture(0, tests_texture, tests_sampler)
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select_texture(1, heightmap, tests_heightmap_sampler)
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select_texture(2, normalmap, tests_normalmap_sampler)
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select_vertices(tests_vertices)
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tests_batch.draw()
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unselect_vertices(tests_vertices)
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unselect_texture(0, tests_texture)
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unselect_texture(1, heightmap)
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unselect_texture(2, normalmap)
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unselect_shader(tests_shader)
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camera.to_km()
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select_shader(sky_shader)
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camera.update_inputs(sky_camera_inputs)
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environment.update_inputs(sky_environment_inputs)
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set_input_float(sea_phase, (current_time * 0.023) % 1.0)
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select_texture(0, sea_polar_textures, sea_polar_sampler)
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select_texture(1, sea_detail_texture, sea_detail_sampler)
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draw_triangles(sky_triangles)
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unselect_texture(0, sea_polar_textures)
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unselect_texture(1, sea_detail_texture)
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unselect_shader(sky_shader)
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frame_end = time.thread_time()
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end_frame()
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swap_buffers(display)
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if frame > 0:
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draw_ms = draw_end - draw_begin
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draw_min = min(draw_min, draw_ms)
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draw_max = max(draw_max, draw_ms)
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draw_avg += draw_ms
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frame_ms = frame_end - frame_begin
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frame_min = min(frame_min, frame_ms)
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frame_max = max(frame_max, frame_ms)
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frame_avg += frame_ms
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perf_count += 1
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frame += 1
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except KeyboardInterrupt:
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pass
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print("\rDraw *", perf_count,
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": min =", round(draw_min * 1000.0, 2),
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", max =", round(draw_max * 1000.0, 2),
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", avg =", round((draw_avg / perf_count) * 1000.0, 2), "ms")
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print("\rFrame *", perf_count,
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": min =", round(frame_min * 1000.0, 2),
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", max =", round(frame_max * 1000.0, 2),
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", avg =", round((frame_avg / perf_count) * 1000.0, 2), "ms")
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# seed 666
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# for _ in range(10000):
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# current_time = 0 # time.monotonic() - start_time
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# Draw * 9999 : min = 0.14 , max = 0.43 , avg = 0.19 ms
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# Draw * 9999 : min = 0.14 , max = 0.35 , avg = 0.19 ms
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# Draw * 9999 : min = 0.13 , max = 0.44 , avg = 0.18 ms
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# Frame * 9999 : min = 0.21 , max = 0.7 , avg = 0.33 ms
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# Frame * 9999 : min = 0.2 , max = 0.54 , avg = 0.31 ms
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# Frame * 9999 : min = 0.19 , max = 0.6 , avg = 0.29 ms
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print("Quitting...")
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del tests_batch
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del terrain_batch
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destroy_texture(sea_polar_textures)
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destroy_texture(sea_detail_texture)
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destroy_texture(heightmap)
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destroy_texture(normalmap)
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destroy_triangles(sky_triangles)
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archive.destroy()
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destroy_shader(terrain_shader)
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destroy_shader(tests_shader)
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destroy_shader(sky_shader)
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render_terminate()
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del events
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destroy_display(display)
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