Method DrawEffectsSprites

PanzerChasm/client/map_drawer_gl.cpp:2141–2189

}

void MapDrawerGL::DrawEffectsSprites(
	const MapState& map_state,
	const m_Mat4& view_matrix,
	const m_Vec3& camera_position )
{
	SortEffectsSprites( map_state.GetSpriteEffects(), camera_position, sorted_sprites_ );

	sprites_shader_.Bind();

	for( const MapState::SpriteEffect* const sprite_ptr : sorted_sprites_ )
	{
		const MapState::SpriteEffect& sprite= *sprite_ptr;

		const GameResources::SpriteEffectDescription& sprite_description= game_resources_->sprites_effects_description[ sprite.effect_id ];
		const ObjSprite& sprite_picture= game_resources_->effects_sprites[ sprite.effect_id ];

		glActiveTexture( GL_TEXTURE0 + 0 );
		glBindTexture( GL_TEXTURE_2D_ARRAY, sprites_textures_arrays_[ sprite.effect_id ] );

		if( !sprite_description.light_on )
			map_light_.GetFloorLightmap().Bind(1);
		else
			map_light_.GetFullbrightLightmapDummy().Bind(1);

		const m_Vec3 vec_to_sprite= sprite.pos - camera_position;
		float sprite_angles[2];
		VecToAngles( vec_to_sprite, sprite_angles );

		m_Mat4 rotate_z, rotate_x, shift_mat, scale_mat;
		rotate_z.RotateZ( sprite_angles[0] - Constants::half_pi );
		rotate_x.RotateX( sprite_angles[1] );
		shift_mat.Translate( sprite.pos );

		const float additional_scale= ( sprite_description.half_size ? 0.5f : 1.0f ) / 128.0f;
		scale_mat.Scale(
			m_Vec3(
				float(sprite_picture.size[0]) * additional_scale,
				1.0f,
				float(sprite_picture.size[1]) * additional_scale ) );

		sprites_shader_.Uniform( "view_matrix", scale_mat * rotate_x * rotate_z * shift_mat * view_matrix );
		sprites_shader_.Uniform( "tex", int(0) );
		sprites_shader_.Uniform( "lightmap", int(1) );
		sprites_shader_.Uniform( "frame", sprite.frame );
		sprites_shader_.Uniform( "lightmap_coord", sprite.pos.xy() / float(MapData::c_map_size) );

		glDrawArrays( GL_TRIANGLES, 0, 6 );
	}
}

void MapDrawerGL::DrawSky( const m_Mat4& view_rotation_matrix )
{