lib/gamnit/depth/depth.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Licensed under the Apache License, Version 2.0 (the "License");
   4 # you may not use this file except in compliance with the License.
   5 # You may obtain a copy of the License at
   6 #
   7 #     http://www.apache.org/licenses/LICENSE-2.0
   8 #
   9 # Unless required by applicable law or agreed to in writing, software
  10 # distributed under the License is distributed on an "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 # See the License for the specific language governing permissions and
  13 # limitations under the License.
  14
  15 # Framework for 3D games in Nit
  16 module depth
  17
  18 import flat
  19 intrude import more_materials
  20 import more_models
  21 import model_dimensions
  22 import particles
  23 import selection
  24
  25 redef class App
  26
  27         redef fun on_create
  28         do
  29                 super
  30
  31                 # Move the camera back a bit
  32                 world_camera.reset_height(10.0)
  33                 world_camera.near = 0.1
  34
  35                 # Prepare programs
  36                 var programs = [versatile_program, normals_program, explosion_program, smoke_program, static_program, selection_program: GamnitProgram]
  37                 for program in programs do
  38                         program.compile_and_link
  39                         var gamnit_error = program.error
  40                         assert gamnit_error == null else print_error gamnit_error
  41                 end
  42         end
  43
  44         redef fun frame_core_draw(display) do frame_core_depth display
  45
  46         # Draw all elements of `actors` and then call `frame_core_flat`
  47         protected fun frame_core_depth(display: GamnitDisplay)
  48         do
  49                 glViewport(0, 0, display.width, display.height)
  50                 frame_core_dynamic_resolution_before display
  51
  52                 # Update cameras on both our programs
  53                 versatile_program.use
  54                 versatile_program.mvp.uniform world_camera.mvp_matrix
  55
  56                 normals_program.use
  57                 normals_program.mvp.uniform app.world_camera.mvp_matrix
  58
  59                 frame_core_depth_clock.lapse
  60                 for actor in actors do
  61                         for leaf in actor.model.leaves do
  62                                 leaf.material.draw(actor, leaf)
  63                         end
  64                 end
  65                 perfs["gamnit depth actors"].add frame_core_depth_clock.lapse
  66
  67                 frame_core_world_sprites display
  68                 perfs["gamnit depth sprites"].add frame_core_depth_clock.lapse
  69
  70                 # Toggle writing to the depth buffer for particles effects
  71                 glDepthMask false
  72                 for system in particle_systems do system.draw
  73                 glDepthMask true
  74                 perfs["gamnit depth particles"].add frame_core_depth_clock.lapse
  75
  76                 frame_core_ui_sprites display
  77                 perfs["gamnit depth ui_sprites"].add frame_core_depth_clock.lapse
  78
  79                 frame_core_dynamic_resolution_after display
  80         end
  81
  82         private var frame_core_depth_clock = new Clock
  83 end