75 lines
2.4 KiB
C
75 lines
2.4 KiB
C
/*
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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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#ifndef _INTERP_H
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#define _INTERP_H
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#include "fix.h"
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#include "gr.h"
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#include "3d.h"
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//Object functions:
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//gives the interpreter an array of points to use
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void g3_set_interp_points(g3s_point *pointlist);
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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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bool g3_draw_polygon_model(ubyte *model_ptr,grs_bitmap **model_bitmaps,vms_angvec *anim_angles,g3s_lrgb light,fix *glow_values);
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//init code for bitmap models
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void g3_init_polygon_model(void *model_ptr);
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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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//alternate interpreter for morphing object
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bool g3_draw_morphing_model(ubyte *model_ptr,grs_bitmap **model_bitmaps,vms_angvec *anim_angles,g3s_lrgb light,vms_vector *new_points);
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//this remaps the 15bpp colors for the models into a new palette. It should
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//be called whenever the palette changes
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void g3_remap_interp_colors(void);
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// check a polymodel for it's color and return it
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int g3_poly_get_color(ubyte *model_ptr);
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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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//routines to convert little to big endian in vectors
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void vms_vector_swap(vms_vector *v);
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void vms_angvec_swap(vms_angvec *v);
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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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typedef struct chunk {
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ubyte *old_base; // where the offset sets off from (relative to beginning of model_data)
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ubyte *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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} chunk;
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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(ubyte *data, ubyte *new_data, chunk *list, int *no);
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#endif //def WORDS_NEED_ALIGNMENT
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#endif //_INTERP_H
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