101 lines
3 KiB
C++
101 lines
3 KiB
C++
/*
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* This file is part of the DXX-Rebirth project <http://www.dxx-rebirth.com/>.
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* It is copyright by its individual contributors, as recorded in the
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* project's Git history. See COPYING.txt at the top level for license
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* terms and a link to the Git history.
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*/
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/*
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*
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* took out functions declarations from include/3d.h
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* which are implemented in 3d/interp.c
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*
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*/
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#pragma once
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#include "maths.h"
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#include "3d.h"
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#ifdef __cplusplus
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#include "dxxsconf.h"
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#include "dsx-ns.h"
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#include "compiler-array.h"
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namespace dcx {
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class submodel_angles;
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constexpr std::size_t MAX_POLYGON_VECS = 1000;
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struct polygon_model_points : array<g3s_point, MAX_POLYGON_VECS> {};
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}
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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::size_t glow_array_size = 1;
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#elif defined(DXX_BUILD_DESCENT_II)
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constexpr std::size_t glow_array_size = 2;
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#endif
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struct glow_values_t : public array<fix, glow_array_size> {};
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//Object functions:
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//calls the object interpreter to render an object. The object renderer
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//is really a seperate pipeline. returns true if drew
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void g3_draw_polygon_model(const uint8_t *model_ptr,grs_bitmap **model_bitmaps,submodel_angles anim_angles,g3s_lrgb light,const glow_values_t *glow_values, polygon_model_points &Interp_point_list);
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//init code for bitmap models
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int16_t g3_init_polygon_model(void *model_ptr);
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}
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#endif
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//un-initialize, i.e., convert color entries back to RGB15
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static inline void g3_uninit_polygon_model(void *model_ptr)
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{
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(void)model_ptr;
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}
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#ifdef dsx
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namespace dsx {
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//alternate interpreter for morphing object
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void g3_draw_morphing_model(const uint8_t *model_ptr,grs_bitmap **model_bitmaps,submodel_angles anim_angles,g3s_lrgb light,const vms_vector *new_points, polygon_model_points &Interp_point_list);
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// check a polymodel for it's color and return it
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int g3_poly_get_color(const uint8_t *model_ptr);
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}
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#endif
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namespace dcx {
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#ifdef WORDS_BIGENDIAN
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// routine to convert little to big endian in polygon model data
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void swap_polygon_model_data(ubyte *data);
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#else
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static inline void swap_polygon_model_data(uint8_t *) {}
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#endif
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#ifdef WORDS_NEED_ALIGNMENT
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/*
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* A chunk struct (as used for alignment) contains all relevant data
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* concerning a piece of data that may need to be aligned.
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* To align it, we need to copy it to an aligned position,
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* and update all pointers to it.
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* (Those pointers are actually offsets
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* relative to start of model_data) to it.
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*/
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struct chunk
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{
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const uint8_t *old_base; // where the offset sets off from (relative to beginning of model_data)
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uint8_t *new_base; // where the base is in the aligned structure
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short offset; // how much to add to base to get the address of the offset
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short correction; // how much the value of the offset must be shifted for alignment
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};
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#define MAX_CHUNKS 100 // increase if insufficent
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/*
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* finds what chunks the data points to, adds them to the chunk_list,
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* and returns the length of the current chunk
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*/
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int get_chunks(const uint8_t *data, uint8_t *new_data, chunk *list, int *no);
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#endif //def WORDS_NEED_ALIGNMENT
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}
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#endif
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