Bump engine submodule and switch to custom instance parameters.

engine

@@ -1 +1 @@
-Subproject commit 8f3612bed26d4bdb9f6c62541bf6068285f760b3
+Subproject commit 3df976c154f76351702fe9f512f09c072dd67f60

game/batch.py

@@ -16,43 +16,35 @@
 from array import array
 
 from engine import (
-    INSTANCE_FLAG_SPAWNED, BATCH_MAX_SIZE, BATCH_ORIENTATION_FORMAT_NONE, create_batch, draw_batch, destroy_batch)
+    INSTANCE_FLAG_SPAWNED, BATCH_MAX_SIZE, create_batch, draw_batch, destroy_batch)
 
 class Batch:
-    __slots__ = '_batch', 'max_size', 'flags', 'meshes', 'translations', 'orientations'
+    __slots__ = '_batch', 'max_size', 'flags', 'meshes', 'params'
 
-    def __init__(self, max_size, translation_format, orientation_format):
+    def __init__(self, max_size, params_format):
         assert max_size <= BATCH_MAX_SIZE
-        self._batch = create_batch(max_size, translation_format, orientation_format)
+        self._batch = create_batch(max_size, params_format)
         self.max_size = max_size
         self.flags = array('B')
         self.meshes = array('I')
-        self.translations = array('f')
+        self.params = [array('f') for _ in params_format]
-        if orientation_format != BATCH_ORIENTATION_FORMAT_NONE:
-            self.orientations = array('f')
-        else:
-            self.orientations = None
 
     def __del__(self):
         destroy_batch(self._batch)
 
-    def append(self, flags, mesh, translation, orientation):
+    def append(self, flags, mesh, params):
-        assert len(translation) == 3
+        assert len(params) == len(self.params)
-        assert orientation is None or len(orientation) == 3
         index = len(self.flags)
         assert index < self.max_size
         self.flags.append(flags | INSTANCE_FLAG_SPAWNED)
         self.meshes.append(mesh)
-        self.translations.extend(translation)
+        for _params, param in zip(self.params, params):
-        if self.orientations is not None:
+            _params.extend(param)
-            self.orientations.extend(orientation)
         return index
 
-    def set_translation(self, index, translation):
+    def set_param(self, param, index, value):
-        self.translations[index * 3 : index * 3 + 3] = translation
+        size = len(value)
-
+        self.params[param][index * size : index * size + size] = value
-    def set_orientation(self, index, orientation):
-        self.orientations[index * 3 : index * 3 + 3] = orientation
 
     def draw(self):
-        draw_batch(self._batch, self.flags, self.meshes, self.translations, self.orientations)
+        draw_batch(self._batch, self.flags, self.meshes, self.params)

game/game.py

@@ -33,8 +33,10 @@ def main():
     terrain_shader = shader.load('terrain')
     sky_shader = shader.load('sky')
 
-    print("Loading resources...")
     select_shader(terrain_shader)
+    terrain_environment_inputs = environment.resolve_inputs()
+
+    print("Loading resources...")
     archive = resources.RuntimeArchive.load('data/rk_island.rkar')
     tiles_texture = archive.get_texture('tiles')
     tiles_vertices = archive.get_vertices('tiles')
@@ -45,28 +47,19 @@ def main():
     rock = archive.get_model('rock')
     mud = archive.get_model('mud')
     lava = archive.get_model('lava')
+
     heightmap = create_texture(1, b'u_height_sampler',
         TEXTURE_FORMAT_32F, 256, 256, 0, TEXTURE_FLAG_MIN_LINEAR | TEXTURE_FLAG_MAG_LINEAR,
         generated.packed_heights)
     normalmap = create_texture(2, b'u_normal_sampler',
         TEXTURE_FORMAT_RGB10_A2, 256, 256, 0, TEXTURE_FLAG_MIN_LINEAR | TEXTURE_FLAG_MAG_LINEAR,
         generated.packed_normals)
-    select_vertices(tiles_vertices)
-    terrain_batch = batch.Batch(
-        generated.size ** 2, BATCH_TRANSLATION_FORMAT_SHORT, BATCH_ORIENTATION_FORMAT_NONE)
-    unselect_vertices(tiles_vertices)
-    terrain_environment_inputs = environment.resolve_inputs()
-    tests_texture = archive.get_texture('tests')
-    tests_vertices = archive.get_vertices('tests')
-    blob = archive.get_model('blob')
-    cube = archive.get_model('cube')
-    clouds = archive.get_model('clouds')
-    select_vertices(tests_vertices)
-    tests_batch = batch.Batch(3, BATCH_TRANSLATION_FORMAT_FLOAT, BATCH_ORIENTATION_FORMAT_FLOAT)
-    unselect_vertices(tests_vertices)
 
     #TODO: generator & for real
     print("Building tiles...")
+    select_vertices(tiles_vertices)
+    terrain_orientation = resolve_param(b'i_orientation')
+    terrain_batch = batch.Batch(generated.size ** 2, params_format(PARAM_FORMAT_VEC3_SHORT))
     vc = generated.volcano_c
     vr = generated.volcano_r
     for my, mx in generated.map_coords:
@@ -95,15 +88,24 @@ def main():
             model = mud
         else:
             model = rock
-        model.spawn(terrain_batch, (float(((mx - 128) * 8) + 4), float(((127 - my) * 8) + 4), 0.0), None)
+        model.spawn(terrain_batch, (float(((mx - 128) * 8) + 4), float(((127 - my) * 8) + 4), 0.0))
+    unselect_vertices(tiles_vertices)
 
+    tests_texture = archive.get_texture('tests')
+    tests_vertices = archive.get_vertices('tests')
+    blob = archive.get_model('blob')
+    cube = archive.get_model('cube')
+    clouds = archive.get_model('clouds')
+    select_vertices(tests_vertices)
+    tests_batch = batch.Batch(3, params_format(PARAM_FORMAT_VEC3_FLOAT, PARAM_FORMAT_VEC3_FLOAT))
     blob_translation = vec3((-100.0, -500.0, 0.0))
     cube_translation = vec3((100.0, -500.0, 0.0))
     cube_orientation = vec3(vec3_forward)
     clouds_orientation = vec3(vec3_forward)
-    blob_id = blob.spawn(tests_batch, blob_translation)
+    blob_id = blob.spawn(tests_batch, blob_translation, vec3_forward)
     cube_id = cube.spawn(tests_batch, cube_translation, cube_orientation)
     clouds_id = clouds.spawn(tests_batch, (0.0, 0.0, 32.0), clouds_orientation)
+    unselect_vertices(tests_vertices)
 
     proj_hfov = pi * 0.25
     proj_ratio = 16.0 / 9.0
@@ -123,7 +125,7 @@ def main():
     sky_camera.set_projection(proj_hfov, proj_ratio, proj_near_z, proj_far_z)
     unselect_shader(sky_shader)
 
-    sun_direction = vec3(math.vec3_normalize((1.0, 0.0, 0.0)))
+    sun_direction = vec3(math.vec3_normalize((1.0, 0.0, 0.25)))
     sun_power = 1.0
     origin = vec3((0.0, -1200.0, 500.0))
     lookat = vec3((0.0,  500.0, -500.0))
@@ -160,16 +162,16 @@ def main():
 
             mat3_rotation(_rotation, up, (current_time * 0.21) % tau)
             mat3_mul_vec3(_blob_translation, _rotation, blob_translation)
-            tests_batch.set_translation(blob_id, _blob_translation)
+            tests_batch.set_param(0, blob_id, _blob_translation)
-            tests_batch.set_orientation(blob_id, vec3(math.vec3_normalize((sun_direction[0], sun_direction[1], 0.0))))
+            tests_batch.set_param(1, blob_id, vec3(math.vec3_normalize((sun_direction[0], sun_direction[1], 0.0))))
             mat3_mul_vec3(_cube_translation, _rotation, cube_translation)
-            tests_batch.set_translation(cube_id, _cube_translation)
+            tests_batch.set_param(0, cube_id, _cube_translation)
             mat3_rotation(_rotation, up, (current_time * 0.43) % tau)
             mat3_mul_vec3(_cube_orientation, _rotation, cube_orientation)
-            tests_batch.set_orientation(cube_id, _cube_orientation)
+            tests_batch.set_param(1, cube_id, _cube_orientation)
             mat3_rotation(_rotation, up, (current_time * -0.037) % tau)
             mat3_mul_vec3(_clouds_orientation, _rotation, clouds_orientation)
-            tests_batch.set_orientation(clouds_id, _clouds_orientation)
+            tests_batch.set_param(1, clouds_id, _clouds_orientation)
 
             select_shader(terrain_shader)
             select_texture(heightmap)
@@ -177,12 +179,12 @@ def main():
 
             terrain_camera.set_view(_origin, _lookat)
             terrain_camera.update_inputs()
-            environment_values = environment.from_sun(
+            environment_values = environment.from_sun(terrain_camera.view, sun_direction, sun_power)
-                terrain_camera.view, sun_direction, sun_power)
             environment.update_inputs(terrain_environment_inputs, environment_values)
 
             select_texture(tiles_texture)
             select_vertices(tiles_vertices)
+            set_param_vec3(terrain_orientation, vec3(vec3_forward))
             draw_begin = time.thread_time()
             terrain_batch.draw()
             draw_end = time.thread_time()
@@ -204,8 +206,7 @@ def main():
                 vec3(math.vec3_scale(_origin, 0.001)),
                 vec3(math.vec3_scale(_lookat, 0.001)))
             sky_camera.update_inputs()
-            environment_values = environment.from_sun(
+            environment_values = environment.from_sun(sky_camera.view, sun_direction, sun_power)
-                sky_camera.view, sun_direction, sun_power)
             environment.update_inputs(sky_environment_inputs, environment_values)
             set_input_float(sea_phase, (current_time * 0.023) % 1.0)
             select_texture(sea_polar_textures)

game/resources.py

@@ -192,8 +192,8 @@ class Model:
         self.flags = flags
         self.mesh = mesh
 
-    def spawn(self, batch, translation = engine.vec3_zero, orientation = engine.vec3_forward):
+    def spawn(self, batch, *params):
-        return batch.append(self.flags, self.mesh, translation, orientation)
+        return batch.append(self.flags, self.mesh, params)
 
 def create_model(data):
     return Model(data.flags, data.mesh)