207 lines
6.2 KiB
C++
207 lines
6.2 KiB
C++
/*
|
|
* Portions of this file are copyright Rebirth contributors and licensed as
|
|
* described in COPYING.txt.
|
|
* Portions of this file are copyright Parallax Software and licensed
|
|
* according to the Parallax license below.
|
|
* See COPYING.txt for license details.
|
|
|
|
THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
|
|
SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
|
|
END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
|
|
ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
|
|
IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
|
|
SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
|
|
FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
|
|
CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
|
|
AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
|
|
COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
|
|
*/
|
|
|
|
/*
|
|
*
|
|
* Header for polyobj.c, the polygon object code
|
|
*
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include "vecmat.h"
|
|
#include "3d.h"
|
|
|
|
struct bitmap_index;
|
|
|
|
#ifdef __cplusplus
|
|
#include <cstddef>
|
|
#include <memory>
|
|
#include <physfs.h>
|
|
#include "inferno.h"
|
|
#include "pack.h"
|
|
|
|
#ifdef dsx
|
|
namespace dsx {
|
|
struct robot_info;
|
|
struct glow_values_t;
|
|
#if defined(DXX_BUILD_DESCENT_I)
|
|
constexpr std::integral_constant<unsigned, 85> MAX_POLYGON_MODELS{};
|
|
#elif defined(DXX_BUILD_DESCENT_II)
|
|
constexpr std::integral_constant<unsigned, 200> MAX_POLYGON_MODELS{};
|
|
#endif
|
|
|
|
//for each model, a model number for dying & dead variants, or -1 if none
|
|
extern std::array<int, MAX_POLYGON_MODELS> Dying_modelnums, Dead_modelnums;
|
|
}
|
|
#endif
|
|
|
|
namespace dcx {
|
|
constexpr std::integral_constant<unsigned, 10> MAX_SUBMODELS{};
|
|
|
|
//used to describe a polygon model
|
|
struct polymodel : prohibit_void_ptr<polymodel>
|
|
{
|
|
unsigned n_models;
|
|
unsigned model_data_size;
|
|
std::unique_ptr<uint8_t[]> model_data;
|
|
std::array<int, MAX_SUBMODELS> submodel_ptrs;
|
|
std::array<vms_vector, MAX_SUBMODELS> submodel_offsets;
|
|
std::array<vms_vector, MAX_SUBMODELS> submodel_norms; // norm for sep plane
|
|
std::array<vms_vector, MAX_SUBMODELS> submodel_pnts; // point on sep plane
|
|
std::array<fix, MAX_SUBMODELS> submodel_rads; // radius for each submodel
|
|
std::array<ubyte, MAX_SUBMODELS> submodel_parents; // what is parent for each submodel
|
|
std::array<vms_vector, MAX_SUBMODELS> submodel_mins;
|
|
std::array<vms_vector, MAX_SUBMODELS> submodel_maxs;
|
|
vms_vector mins,maxs; // min,max for whole model
|
|
fix rad;
|
|
ushort first_texture;
|
|
ubyte n_textures;
|
|
ubyte simpler_model; // alternate model with less detail (0 if none, model_num+1 else)
|
|
//vms_vector min,max;
|
|
};
|
|
|
|
class submodel_angles
|
|
{
|
|
using array_type = const std::array<vms_angvec, MAX_SUBMODELS>;
|
|
array_type *p;
|
|
public:
|
|
submodel_angles(std::nullptr_t) : p(nullptr) {}
|
|
submodel_angles(array_type &a) : p(&a) {}
|
|
explicit operator bool() const { return p != nullptr; }
|
|
typename array_type::const_reference operator[](std::size_t i) const
|
|
{
|
|
array_type &a = *p;
|
|
return a[i];
|
|
}
|
|
};
|
|
|
|
struct d_level_shared_polygon_model_state
|
|
{
|
|
// how many polygon objects there are
|
|
unsigned N_polygon_models;
|
|
};
|
|
|
|
void init_polygon_models(d_level_shared_polygon_model_state &);
|
|
|
|
/* Only defined if DXX_WORDS_NEED_ALIGNMENT, but always declared, so
|
|
* that the header preprocesses to the same text regardless of the
|
|
* setting.
|
|
*/
|
|
void align_polygon_model_data(polymodel *pm);
|
|
|
|
}
|
|
#ifdef dsx
|
|
namespace dsx {
|
|
|
|
/* Individual levels can customize the polygon models through robot overrides,
|
|
* so this must be scoped to the level, not to the mission.
|
|
*/
|
|
struct d_level_shared_polygon_model_state : ::dcx::d_level_shared_polygon_model_state
|
|
{
|
|
std::array<polymodel, MAX_POLYGON_MODELS> Polygon_models;
|
|
// array of names of currently-loaded models
|
|
std::array<char[FILENAME_LEN], MAX_POLYGON_MODELS> Pof_names;
|
|
#if defined(DXX_BUILD_DESCENT_II)
|
|
//the model number of the marker object
|
|
uint32_t Marker_model_num = UINT32_MAX;
|
|
bool Exit_models_loaded;
|
|
#endif
|
|
};
|
|
|
|
// array of pointers to polygon objects
|
|
extern d_level_shared_polygon_model_state LevelSharedPolygonModelState;
|
|
|
|
void free_polygon_models(d_level_shared_polygon_model_state &LevelSharedPolygonModelState);
|
|
|
|
int load_polygon_model(const char *filename,int n_textures,int first_texture,robot_info *r);
|
|
}
|
|
#endif
|
|
|
|
namespace dcx {
|
|
|
|
class alternate_textures
|
|
{
|
|
const bitmap_index *p = nullptr;
|
|
public:
|
|
alternate_textures() = default;
|
|
alternate_textures(std::nullptr_t) : p(nullptr) {}
|
|
template <std::size_t N>
|
|
alternate_textures(const std::array<bitmap_index, N> &a) : p(a.data())
|
|
{
|
|
}
|
|
operator const bitmap_index *() const { return p; }
|
|
};
|
|
|
|
}
|
|
|
|
#ifdef dsx
|
|
namespace dsx {
|
|
// draw a polygon model
|
|
void draw_polygon_model(grs_canvas &, const vms_vector &pos, const vms_matrix &orient, submodel_angles anim_angles, unsigned model_num, unsigned flags, g3s_lrgb light, const glow_values_t *glow_values, alternate_textures);
|
|
}
|
|
#endif
|
|
|
|
// draws the given model in the current canvas. The distance is set to
|
|
// more-or-less fill the canvas. Note that this routine actually renders
|
|
// into an off-screen canvas that it creates, then copies to the current
|
|
// canvas.
|
|
void draw_model_picture(grs_canvas &, uint_fast32_t mn, const vms_angvec &orient_angles);
|
|
|
|
#if defined(DXX_BUILD_DESCENT_I) || defined(DXX_BUILD_DESCENT_II)
|
|
#if defined(DXX_BUILD_DESCENT_I)
|
|
#define MAX_POLYOBJ_TEXTURES 50
|
|
#elif defined(DXX_BUILD_DESCENT_II)
|
|
|
|
#define MAX_POLYOBJ_TEXTURES 100
|
|
constexpr std::integral_constant<unsigned, 166> N_D2_POLYGON_MODELS{};
|
|
#endif
|
|
#endif
|
|
|
|
namespace dcx {
|
|
|
|
#if defined(DXX_BUILD_DESCENT_II)
|
|
/* This function exists in both games and has the same implementation in
|
|
* both, but is static in Descent 1. Declare it in the header only for
|
|
* Descent 2.
|
|
*/
|
|
// free up a model, getting rid of all its memory
|
|
void free_model(polymodel &po);
|
|
#endif
|
|
|
|
/*
|
|
* reads a polymodel structure from a PHYSFS_File
|
|
*/
|
|
extern void polymodel_read(polymodel *pm, PHYSFS_File *fp);
|
|
}
|
|
#if 0
|
|
void polymodel_write(PHYSFS_File *fp, const polymodel &pm);
|
|
#endif
|
|
|
|
/*
|
|
* routine which allocates, reads, and inits a polymodel's model_data
|
|
*/
|
|
#ifdef dsx
|
|
namespace dsx {
|
|
void polygon_model_data_read(polymodel *pm, PHYSFS_File *fp);
|
|
|
|
}
|
|
#endif
|
|
#endif
|