mirror of
https://github.com/cyberarm/i-mic-fps.git
synced 2025-12-15 15:42:35 +00:00
274 lines
8.1 KiB
Ruby
274 lines
8.1 KiB
Ruby
class IMICFPS
|
|
class Renderer
|
|
include OpenGL
|
|
include GLU
|
|
|
|
def initialize
|
|
@bounding_boxes = {normals: [], colors: [], vertices: []}
|
|
end
|
|
|
|
def draw
|
|
i = 0
|
|
draw_bounding_boxes if $debug
|
|
$window.number_of_faces+=@bounding_boxes[:vertices].size/3 if $debug
|
|
@bounding_boxes.clear
|
|
ObjectManager.objects.each do |object|
|
|
if object.visible && object.renderable
|
|
draw_object(object)
|
|
i+=1
|
|
end
|
|
end
|
|
|
|
end
|
|
|
|
def draw_object(object)
|
|
handleGlError
|
|
|
|
glEnable(GL_NORMALIZE)
|
|
glPushMatrix
|
|
# Render bounding boxes before transformation is applied
|
|
create_bounding_box(object, object.model.bounding_box) if $debug
|
|
object.model.objects.each {|o| create_bounding_box(object, o.bounding_box, o.debug_color)} if $debug
|
|
|
|
glTranslatef(object.x, object.y, object.z)
|
|
glRotatef(object.x_rotation,1.0, 0, 0)
|
|
glRotatef(object.y_rotation,0, 1.0, 0)
|
|
glRotatef(object.z_rotation,0, 0, 1.0)
|
|
|
|
handleGlError
|
|
draw_mesh(object.model)
|
|
object.draw
|
|
# object.model.draw(object.x, object.y, object.z, object.scale, object.backface_culling)
|
|
handleGlError
|
|
|
|
glPopMatrix
|
|
handleGlError
|
|
end
|
|
|
|
def draw_mesh(model)
|
|
# x,y,z, scale, back_face_culling
|
|
model.objects.each_with_index do |o, i|
|
|
glEnable(GL_CULL_FACE) if model.game_object.backface_culling
|
|
glEnable(GL_COLOR_MATERIAL)
|
|
glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE)
|
|
glShadeModel(GL_FLAT) unless o.faces.first[4]
|
|
glShadeModel(GL_SMOOTH) if o.faces.first[4]
|
|
glEnableClientState(GL_VERTEX_ARRAY)
|
|
glEnableClientState(GL_COLOR_ARRAY)
|
|
glEnableClientState(GL_NORMAL_ARRAY)
|
|
if model.model_has_texture
|
|
glEnable(GL_TEXTURE_2D)
|
|
glBindTexture(GL_TEXTURE_2D, model.materials[model.textured_material].texture_id)
|
|
glEnableClientState(GL_TEXTURE_COORD_ARRAY)
|
|
glTexCoordPointer(3, GL_FLOAT, 0, o.flattened_textures)
|
|
end
|
|
glVertexPointer(4, GL_FLOAT, 0, o.flattened_vertices)
|
|
glColorPointer(3, GL_FLOAT, 0, o.flattened_materials)
|
|
glNormalPointer(GL_FLOAT, 0, o.flattened_normals)
|
|
|
|
glDrawArrays(GL_TRIANGLES, 0, o.flattened_vertices_size/4)
|
|
|
|
if $debug
|
|
glDisable(GL_LIGHTING)
|
|
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE)
|
|
glPolygonOffset(2, 0.5)
|
|
glLineWidth(3)
|
|
glDrawArrays(GL_TRIANGLES, 0, o.flattened_vertices_size/4)
|
|
glLineWidth(1)
|
|
glPolygonOffset(0, 0)
|
|
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL)
|
|
glEnable(GL_LIGHTING)
|
|
end
|
|
|
|
glDisableClientState(GL_VERTEX_ARRAY)
|
|
glDisableClientState(GL_COLOR_ARRAY)
|
|
glDisableClientState(GL_NORMAL_ARRAY)
|
|
if model.model_has_texture
|
|
glDisableClientState(GL_TEXTURE_COORD_ARRAY)
|
|
# glBindTexture(GL_TEXTURE_2D, 0)
|
|
glDisable(GL_TEXTURE_2D)
|
|
end
|
|
glDisable(GL_CULL_FACE) if model.game_object.backface_culling
|
|
glDisable(GL_COLOR_MATERIAL)
|
|
end
|
|
$window.number_of_faces+=model.faces.size
|
|
end
|
|
|
|
def create_bounding_box(object, box, color = nil)
|
|
color ||= object.debug_color
|
|
box = object.normalize_bounding_box(box)
|
|
|
|
@bounding_boxes[:normals] ||= []
|
|
@bounding_boxes[:colors] ||= []
|
|
@bounding_boxes[:vertices] ||= []
|
|
|
|
@bounding_boxes[:normals] << [
|
|
0,1,0,
|
|
0,1,0,
|
|
0,1,0,
|
|
0,1,0,
|
|
0,1,0,
|
|
0,1,0,
|
|
|
|
0,-1,0,
|
|
0,-1,0,
|
|
0,-1,0,
|
|
0,-1,0,
|
|
0,-1,0,
|
|
0,-1,0,
|
|
|
|
0,0,1,
|
|
0,0,1,
|
|
0,0,1,
|
|
0,0,1,
|
|
0,0,1,
|
|
0,0,1,
|
|
|
|
1,0,0,
|
|
1,0,0,
|
|
1,0,0,
|
|
1,0,0,
|
|
1,0,0,
|
|
1,0,0,
|
|
|
|
-1,0,0,
|
|
-1,0,0,
|
|
-1,0,0,
|
|
-1,0,0,
|
|
-1,0,0,
|
|
-1,0,0,
|
|
|
|
-1,0,0,
|
|
-1,0,0,
|
|
-1,0,0,
|
|
|
|
-1,0,0,
|
|
-1,0,0,
|
|
-1,0,0
|
|
]
|
|
@bounding_boxes[:colors] << [
|
|
color.red, color.green, color.blue,
|
|
color.red, color.green, color.blue,
|
|
color.red, color.green, color.blue,
|
|
color.red, color.green, color.blue,
|
|
color.red, color.green, color.blue,
|
|
color.red, color.green, color.blue,
|
|
color.red, color.green, color.blue,
|
|
color.red, color.green, color.blue,
|
|
color.red, color.green, color.blue,
|
|
color.red, color.green, color.blue,
|
|
color.red, color.green, color.blue,
|
|
color.red, color.green, color.blue,
|
|
color.red, color.green, color.blue,
|
|
color.red, color.green, color.blue,
|
|
color.red, color.green, color.blue,
|
|
color.red, color.green, color.blue,
|
|
color.red, color.green, color.blue,
|
|
color.red, color.green, color.blue,
|
|
color.red, color.green, color.blue,
|
|
color.red, color.green, color.blue,
|
|
color.red, color.green, color.blue,
|
|
color.red, color.green, color.blue,
|
|
color.red, color.green, color.blue,
|
|
color.red, color.green, color.blue,
|
|
color.red, color.green, color.blue,
|
|
color.red, color.green, color.blue,
|
|
color.red, color.green, color.blue,
|
|
color.red, color.green, color.blue,
|
|
color.red, color.green, color.blue,
|
|
color.red, color.green, color.blue,
|
|
color.red, color.green, color.blue,
|
|
color.red, color.green, color.blue,
|
|
color.red, color.green, color.blue,
|
|
color.red, color.green, color.blue,
|
|
color.red, color.green, color.blue,
|
|
color.red, color.green, color.blue
|
|
]
|
|
@bounding_boxes[:vertices] << [
|
|
box.min_x, box.max_y, box.max_z,
|
|
box.min_x, box.max_y, box.min_z,
|
|
box.max_x, box.max_y, box.min_z,
|
|
|
|
box.min_x, box.max_y, box.max_z,
|
|
box.max_x, box.max_y, box.max_z,
|
|
box.max_x, box.max_y, box.min_z,
|
|
|
|
box.max_x, box.min_y, box.min_z,
|
|
box.max_x, box.min_y, box.max_z,
|
|
box.min_x, box.min_y, box.max_z,
|
|
|
|
box.max_x, box.min_y, box.min_z,
|
|
box.min_x, box.min_y, box.min_z,
|
|
box.min_x, box.min_y, box.max_z,
|
|
|
|
box.min_x, box.max_y, box.max_z,
|
|
box.min_x, box.max_y, box.min_z,
|
|
box.min_x, box.min_y, box.min_z,
|
|
|
|
box.min_x, box.min_y, box.max_z,
|
|
box.min_x, box.min_y, box.min_z,
|
|
box.min_x, box.max_y, box.max_z,
|
|
|
|
box.max_x, box.max_y, box.max_z,
|
|
box.max_x, box.max_y, box.min_z,
|
|
box.max_x, box.min_y, box.min_z,
|
|
|
|
box.max_x, box.min_y, box.max_z,
|
|
box.max_x, box.min_y, box.min_z,
|
|
box.max_x, box.max_y, box.max_z,
|
|
|
|
box.min_x, box.max_y, box.max_z,
|
|
box.max_x, box.max_y, box.max_z,
|
|
box.max_x, box.min_y, box.max_z,
|
|
|
|
box.min_x, box.max_y, box.max_z,
|
|
box.max_x, box.min_y, box.max_z,
|
|
box.min_x, box.min_y, box.max_z,
|
|
|
|
box.max_x, box.min_y, box.min_z,
|
|
box.min_x, box.min_y, box.min_z,
|
|
box.min_x, box.max_y, box.min_z,
|
|
|
|
box.max_x, box.min_y, box.min_z,
|
|
box.min_x, box.max_y, box.min_z,
|
|
box.max_x, box.max_y, box.min_z
|
|
]
|
|
end
|
|
|
|
def draw_bounding_boxes
|
|
glEnableClientState(GL_VERTEX_ARRAY)
|
|
glEnableClientState(GL_COLOR_ARRAY)
|
|
glEnableClientState(GL_NORMAL_ARRAY)
|
|
|
|
_normals = @bounding_boxes[:normals].flatten.pack("f*")
|
|
_colors = @bounding_boxes[:colors].flatten.pack("f*")
|
|
_vertices_size = @bounding_boxes[:vertices].size
|
|
_vertices = @bounding_boxes[:vertices].flatten.pack("f*")
|
|
|
|
glVertexPointer(3, GL_FLOAT, 0, _vertices)
|
|
glColorPointer(3, GL_FLOAT, 0, _colors)
|
|
glNormalPointer(GL_FLOAT, 0, _normals)
|
|
|
|
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE)
|
|
glDisable(GL_LIGHTING)
|
|
glDrawArrays(GL_TRIANGLES, 0, _vertices_size/3)
|
|
glEnable(GL_LIGHTING)
|
|
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL)
|
|
|
|
glDisableClientState(GL_VERTEX_ARRAY)
|
|
glDisableClientState(GL_COLOR_ARRAY)
|
|
glDisableClientState(GL_NORMAL_ARRAY)
|
|
end
|
|
|
|
def handleGlError
|
|
e = glGetError()
|
|
if e != GL_NO_ERROR
|
|
$stderr.puts "OpenGL error in: #{gluErrorString(e)} (#{e})\n"
|
|
exit
|
|
end
|
|
end
|
|
|
|
def finalize # cleanup
|
|
end
|
|
end
|
|
end |