# devices. It is used to position the sprites in `App::ui_sprites`.
#
# See the sample game at `contrib/asteronits/` and the basic project template
-# at `lib/gamnit/examples/template_flat/`.
+# at `lib/gamnit/examples/template/`.
module flat
import glesv2
intrude import geometry::points_and_lines # For _x, _y and _z
+intrude import matrix
import matrix::projection
import more_collections
import performance_analysis
import gamnit
-import gamnit::cameras
+intrude import gamnit::cameras
+intrude import gamnit::cameras_cache
import gamnit::dynamic_resolution
import gamnit::limit_fps
import gamnit::camera_control
fun needs_update
do
var c = context
- if c != null then c.sprites_to_update.add self
+ if c == null then return
+ if c.last_sprite_to_update == self then return
+ c.sprites_to_update.add self
+ c.last_sprite_to_update = self
end
# Request a resorting of this sprite in its sprite list
# Current context to which `self` was sorted
private var context: nullable SpriteContext = null
+ # Index in `context`
+ private var context_index: Int = -1
+
# Current context to which `self` belongs
private var sprite_set: nullable SpriteSet = null
end
do
texture.load
- ui_camera.reset_height 1080.0
-
- var splash = new Sprite(texture, ui_camera.center)
+ var splash = new Sprite(texture, ui_camera.center.offset(0.0, 0.0, 0.0))
ui_sprites.add splash
var display = display
if display != null then display.close
end
- redef fun frame_core(display)
+ redef fun on_resize(display)
do
- # Prepare to draw, clear buffers
- glClear(gl_COLOR_BUFFER_BIT | gl_DEPTH_BUFFER_BIT)
+ super
+
+ world_camera.mvp_matrix_cache = null
+ ui_camera.mvp_matrix_cache = null
+
+ # Update all sprites in the UI
+ for sprite in ui_sprites do sprite.needs_update
+ end
+ redef fun frame_core(display)
+ do
# Check errors
var gl_error = glGetError
assert gl_error == gl_NO_ERROR else print_error gl_error
end
redef class Point3d[N]
- # Get a new `Point3d[Float]` with an offset of each axis of `x, y, z`
- fun offset(x, y, z: Numeric): Point3d[Float]
- do
- return new Point3d[Float](self.x.to_f+x.to_f, self.y.to_f+y.to_f, self.z.to_f+z.to_f)
- end
-
# ---
# Associate each point to its sprites
end
end
+redef class OffsetPoint3d
+ redef fun x=(v)
+ do
+ if isset _x and v != x then needs_update
+ super
+ end
+
+ redef fun y=(v)
+ do
+ if isset _y and v != y then needs_update
+ super
+ end
+
+ redef fun z=(v)
+ do
+ if isset _z and v != z then needs_update
+ super
+ end
+end
+
# Set of sprites sorting them into different `SpriteContext`
private class SpriteSet
super HashSet[Sprite]
context.sprites.add sprite
context.sprites_to_update.add sprite
+ context.last_sprite_to_update = sprite
sprite.context = context
sprite.sprite_set = self
var usage: GLBufferUsage
# Sprites drawn by this context
- var sprites = new GroupedArray[Sprite]
+ var sprites = new GroupedSprites
# Sprites to update since last `draw`
var sprites_to_update = new Set[Sprite]
+ # Cache of the last `Sprite` added to `sprites_to_update` since the last call to `draw`
+ var last_sprite_to_update: nullable Sprite = null
+
# Sprites that have been update and for which `needs_update` can be set to false
var updated_sprites = new Array[Sprite]
# Update GPU data of `sprite`
fun update_sprite(sprite: Sprite)
do
- var sprite_index = sprites.index_of(sprite)
- if sprite_index == -1 then return
+ var context = sprite.context
+ if context != self then return
+
+ var sprite_index = sprite.context_index
+ assert sprite_index != -1
# Vertices data
else
rot = new Matrix.rotation(sprite.rotation, 0.0, 0.0, 1.0)
end
- data.fill_from(rot.items, o+15)
+ data.fill_from_matrix(rot, o+15)
o += float_per_vertex
end
for sprite in sprites_to_update do update_sprite(sprite)
sprites_to_update.clear
+ last_sprite_to_update = null
sys.perfs["gamnit flat gpu update"].add app.perf_clock_sprites.lapse
end
#
# array.add "E"
# assert array.to_s == "[A,B,c,D,E]"
-# assert array.capacity == 5
+# assert array.capacity == 6
# assert array.length == 5
#
# array.remove "A"
# Number of item slots in the array
fun capacity: Int do return items.length
- # Index of `item`
- fun index_of(item: E): Int do return items.index_of(item)
-
# List of available slots
var available = new MinHeap[Int].default
# Index of the spots after filled chunks
var ends = new List[Int]
- # Add `item` to the first available slot
- fun add(item: E)
+ # Add `item` to the first available slot and return its index
+ fun add(item: E): Int
do
length += 1
# at end of first chunk
ends.first += 1
end
- return
+ return i
end
items.add item
starts.add 0
ends.add 1
else ends.last += 1
+ return ends.last - 1
end
# Remove the first instance of `item`
fun remove(item: E)
do
- var i = items.index_of(item)
- assert i != -1
+ var index = items.index_of(item)
+ remove_at(item, index)
+ end
+
+ # Remove `item` at `index`
+ fun remove_at(item: E, index: Int)
+ do
+ var i = index
length -= 1
items[i] = null
while max > 0 and (starts.length > 1 or starts.first != 0) do
var i = ends.last - 1
var e = items[i]
+ assert e != null
remove e
add e
moved.add e
return ss.join
end
end
+
+# Optimized `GroupedArray` to use `Sprite::context_index` and avoid using `index_of`
+private class GroupedSprites
+ super GroupedArray[Sprite]
+
+ redef fun add(item)
+ do
+ var index = super
+ item.context_index = index
+ return index
+ end
+
+ redef fun remove(item) do remove_at(item, item.context_index)
+end
+
+redef class GLfloatArray
+ private fun fill_from_matrix(matrix: Matrix, dst_offset: nullable Int)
+ do
+ dst_offset = dst_offset or else 0
+ var mat_len = matrix.width*matrix.height
+ assert length >= mat_len + dst_offset
+ native_array.fill_from_matrix_native(matrix.items, dst_offset, mat_len)
+ end
+end
+
+redef class NativeGLfloatArray
+ private fun fill_from_matrix_native(matrix: matrix::NativeDoubleArray, dst_offset, len: Int) `{
+ int i;
+ for (i = 0; i < len; i ++)
+ self[i+dst_offset] = (GLfloat)matrix[i];
+ `}
+end
nitlanguage / nit.git / blobdiff