149 lines
4.8 KiB
C++
149 lines
4.8 KiB
C++
/*
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* Portions of this file are copyright Rebirth contributors and licensed as
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* described in COPYING.txt.
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* Portions of this file are copyright Parallax Software and licensed
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* according to the Parallax license below.
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* See COPYING.txt for license details.
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THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
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SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
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END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
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ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
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IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
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SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
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FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
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CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
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AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
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COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
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*/
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/*
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*
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* Header for rendering-based functions
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*
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*/
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#pragma once
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#include "dxxsconf.h"
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#include "3d.h"
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#include <span>
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#include <vector>
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#include "objnum.h"
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#include "fwd-object.h"
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#include "fwd-segment.h"
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#include "fwd-vclip.h"
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#include "lighting.h"
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#include "d_array.h"
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#if DXX_USE_EDITOR
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namespace dcx {
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/* When DXX_USE_EDITOR is enabled, this symbol is needed in editor
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* code. When DXX_USE_EDITOR is disabled, this symbol is only
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* needed in the file where it is defined. Therefore, preprocess
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* out the extern declaration when !DXX_USE_EDITOR.
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*/
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extern const enumerated_array<
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enumerated_array<
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std::array<segment_relative_vertnum, 2>,
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6, sidenum_t>,
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6, sidenum_t> Two_sides_to_edge;
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}
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#endif
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#ifdef dsx
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namespace dsx {
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struct window_rendered_data
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{
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window_rendered_data();
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#if defined(DXX_BUILD_DESCENT_II)
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const fix64 time;
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#endif
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std::vector<objnum_t> rendered_robots;
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};
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}
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#endif
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extern int Render_depth; //how many segments deep to render
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constexpr std::integral_constant<unsigned, 8> Max_perspective_depth{}; // Deepest segment at which perspective extern interpolation will be used.
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constexpr std::integral_constant<unsigned, 20> Max_linear_depth_objects{};
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constexpr std::integral_constant<unsigned, 50> Simple_model_threshhold_scale{}; // switch to simpler model when the object has depth greater than this value times its radius.
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constexpr std::integral_constant<unsigned, 15> Max_debris_objects{}; // How many debris objects to create
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#if DXX_USE_OGL
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#define DETRIANGULATION 0
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#else
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#define DETRIANGULATION 1
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extern unsigned Max_linear_depth; // Deepest segment at which linear extern interpolation will be used.
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#endif
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extern int Clear_window; // 1 = Clear whole background window, 2 = clear view portals into rest of world, 0 = no clear
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// cycle the flashing light for when mine destroyed
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#ifdef dsx
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namespace dsx {
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void flash_frame();
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}
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#endif
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// these functions change different rendering parameters
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// all return the new value of the parameter
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// misc toggles
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int toggle_outline_mode(void);
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// When any render function needs to know what's looking at it, it
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// should access Render_viewer_object members.
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extern
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#if !DXX_USE_EDITOR && defined(RELEASE)
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const
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#endif
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fix Render_zoom; // the player's zoom factor
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#ifdef dsx
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namespace dsx {
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#if defined(DXX_BUILD_DESCENT_I)
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constexpr std::integral_constant<uint8_t, 0> RenderingType{};
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#elif defined(DXX_BUILD_DESCENT_II)
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extern uint8_t RenderingType;
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#endif
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}
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#endif
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extern fix flash_scale;
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#if DXX_USE_EDITOR
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int find_seg_side_face(short x, short y, segnum_t &seg, objnum_t &obj, sidenum_t &side, int &face);
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extern int Render_only_bottom;
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#endif
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//
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// Routines for conditionally rotating & projecting points
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//
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// This must be called at the start of the frame if rotate_list() will be used
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void render_start_frame(void);
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// Given a list of point numbers, rotate any that haven't been rotated
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// this frame
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g3s_codes rotate_list(fvcvertptr &vcvertptr, std::span<const vertnum_t> pointnumlist);
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#ifdef dsx
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namespace dsx {
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void render_frame(grs_canvas &, fix eye_offset, window_rendered_data &); //draws the world into the current canvas
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void render_mine(grs_canvas &, const vms_vector &, vcsegidx_t start_seg_num, fix eye_offset, window_rendered_data &);
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// Render an object. Calls one of several routines based on type
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void render_object(grs_canvas &, const d_level_unique_light_state &LevelUniqueLightState, vmobjptridx_t obj);
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// draw an object that is a texture-mapped rod
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void draw_object_tmap_rod(grs_canvas &, const d_level_unique_light_state *const LevelUniqueLightState, vcobjptridx_t obj, bitmap_index bitmap);
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void draw_hostage(const d_vclip_array &Vclip, grs_canvas &, const d_level_unique_light_state &, vmobjptridx_t obj);
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void draw_morph_object(grs_canvas &, const d_level_unique_light_state &LevelUniqueLightState, vmobjptridx_t obj);
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}
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#endif
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