219 lines
8.1 KiB
Python
219 lines
8.1 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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from math import pi, tau, dist
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from engine import *
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from game import math
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from game.time import Time
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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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from game.generator import Generator
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from game.resources import RuntimeArchive
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from game.texture import Texture
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from game.shader import Shader
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from game.camera import Camera
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from game.environment import Environment
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from game.inputs import InputFloat
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from game.batch import Batch
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from game.scene import SceneNode, TextureNode, ShaderNode, InputNode, DrawNode, FuncNode
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from game.triangles import SkyTriangles
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from game import sea
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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 update_camera(time, mouse, camera, environment):
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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_distance = mouse.wheel * 20.0
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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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def update_tests(time, blob_translation, blob_spawn_translation, cube_translation, cube_spawn_translation, cube_orientation, clouds_orientation):
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rotation = mat3()
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mat3_rotation(rotation, vec3_up, (time.current * 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, (time.current * 0.43) % tau)
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mat3_rotation(clouds_orientation, vec3_up, (time.current * -0.037) % tau)
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def update_sea(time, camera, sea_phase):
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camera.to_km()
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sea_phase.update((time.current * 0.023) % 1.0)
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def main():
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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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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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tiles_shader = Shader('terrain', 'common')
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tests_shader = Shader('tests', 'common')
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sky_shader = Shader('sky')
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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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environment = Environment()
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sea_phase = InputFloat(sky_shader.u_sea_phase, 0.0)
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print("Generating terrain...")
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generated = Generator(256)
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heightmap = 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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normalmap = 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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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_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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tiles_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(tiles_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_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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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_spawn_orientation = mat3(vec3(*blob_right), vec3(*blob_forward), vec3_up)
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blob_id = blob_model.spawn(tests_batch, blob_spawn_translation, blob_spawn_orientation)
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blob_translation = tests_batch.translation[blob_id]
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cube_spawn_translation = vec3(100.0, -500.0, 0.0)
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cube_id = cube_model.spawn(tests_batch, cube_spawn_translation, mat3_identity)
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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_id = clouds_model.spawn(tests_batch, vec3(0.0, 0.0, 32.0), mat3_identity)
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clouds_orientation = tests_batch.orientation[clouds_id]
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sea_polar_textures = sea.load_polar_textures(('data/sea_bump1.png', 'data/sea_bump2.png'))
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sea_detail_texture = sea.load_detail_texture('data/sea_bump.png')
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sky_triangles = SkyTriangles(64, proj_far_z - 0.1, proj_ratio)
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scene = SceneNode(
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FuncNode(update_camera, (mouse, camera, environment)),
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TextureNode((tiles_texture, heightmap, normalmap),
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ShaderNode(tiles_shader,
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InputNode(tiles_shader, camera),
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InputNode(tiles_shader, environment),
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DrawNode(tiles_batch)
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)
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),
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FuncNode(update_tests, (blob_translation, blob_spawn_translation, cube_translation, cube_spawn_translation, cube_orientation, clouds_orientation)),
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TextureNode((tests_texture, heightmap, normalmap),
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ShaderNode(tests_shader,
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InputNode(tests_shader, camera),
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InputNode(tests_shader, environment),
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DrawNode(tests_batch)
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)
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),
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FuncNode(update_sea, (camera, sea_phase)),
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TextureNode((sea_polar_textures, sea_detail_texture),
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ShaderNode(sky_shader,
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InputNode(sky_shader, camera),
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InputNode(sky_shader, environment),
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InputNode(sky_shader, sea_phase),
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DrawNode(sky_triangles)
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)
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)
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)
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print("Running... Ctrl+c to quit")
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time = Time()
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try:
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while not keyboard.quit:
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events.update()
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begin_frame()
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time.update()
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scene.draw(time)
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end_frame()
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swap_buffers(display)
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except KeyboardInterrupt:
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pass
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print("Quitting...")
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del tests_batch
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del tiles_batch
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del sky_triangles
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del sea_polar_textures
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del sea_detail_texture
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del heightmap
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del normalmap
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archive.destroy()
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del tiles_shader
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del tests_shader
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del 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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