| 1 | /* |
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| 2 | * Abuse - dark 2D side-scrolling platform game |
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| 3 | * Copyright (c) 1995 Crack dot Com |
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| 4 | * Copyright (c) 2005-2011 Sam Hocevar <sam@hocevar.net> |
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| 5 | * |
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| 6 | * This software was released into the Public Domain. As with most public |
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| 7 | * domain software, no warranty is made or implied by Crack dot Com, by |
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| 8 | * Jonathan Clark, or by Sam Hocevar. |
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| 9 | */ |
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| 10 | |
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| 11 | #ifndef LIGHT_HPP |
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| 12 | #define LIGHT_HPP |
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| 13 | |
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| 14 | #include "image.h" |
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| 15 | #include "palette.h" |
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| 16 | #include "configuration.h" |
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| 17 | #include "crc.h" |
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| 18 | |
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| 19 | #define TTINTS 9 |
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| 20 | extern uint8_t *tints[TTINTS]; |
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| 21 | extern uint8_t *white_light,*white_light_initial,*green_light,*trans_table; |
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| 22 | extern int16_t ambient_ramp; |
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| 23 | #define REVERSE_GREEN_TINT 8 |
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| 24 | |
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| 25 | extern int16_t shutdown_lighting_value,shutdown_lighting; |
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| 26 | |
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| 27 | class light_source |
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| 28 | { |
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| 29 | public : |
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| 30 | int32_t type,x,xshift,y,yshift; |
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| 31 | int32_t outer_radius,mul_div,inner_radius; |
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| 32 | |
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| 33 | int32_t x1,y1,x2,y2; |
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| 34 | char known; |
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| 35 | light_source *next; |
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| 36 | |
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| 37 | void calc_range(); |
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| 38 | light_source(char Type, int32_t X, int32_t Y, int32_t Inner_radius, int32_t Outer_radius, |
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| 39 | int32_t Xshift, int32_t Yshift, |
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| 40 | light_source *Next); |
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| 41 | light_source *copy(); |
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| 42 | } ; |
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| 43 | |
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| 44 | class light_patch |
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| 45 | { |
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| 46 | public : |
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| 47 | int32_t total,x1,y1,x2,y2; |
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| 48 | light_source **lights; |
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| 49 | light_patch *next; |
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| 50 | light_patch(int32_t X1, int32_t Y1, int32_t X2, int32_t Y2, light_patch *Next) |
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| 51 | { |
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| 52 | x1=X1; y1=Y1; x2=X2; y2=Y2; |
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| 53 | next=Next; |
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| 54 | total=0; |
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| 55 | lights=NULL; |
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| 56 | } |
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| 57 | void add_light(int32_t X1, int32_t Y1, int32_t X2, int32_t Y2, light_source *who); |
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| 58 | light_patch *copy(light_patch *Next); |
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| 59 | ~light_patch() { if (total) free(lights); } |
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| 60 | } ; |
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| 61 | |
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| 62 | void delete_all_lights(); |
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| 63 | void delete_light(light_source *which); |
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| 64 | light_source *add_light_source(char type, int32_t x, int32_t y, |
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| 65 | int32_t inner, int32_t outer, int32_t xshift, int32_t yshift); |
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| 66 | |
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| 67 | void add_light_spec(spec_directory *sd, char const *level_name); |
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| 68 | void write_lights(bFILE *fp); |
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| 69 | void read_lights(spec_directory *sd, bFILE *fp, char const *level_name); |
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| 70 | |
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| 71 | |
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| 72 | void delete_patch_list(light_patch *first); |
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| 73 | light_patch *find_patch(int screenx, int screeny, light_patch *list); |
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| 74 | int calc_light_value(int32_t x, int32_t y, light_patch *which); |
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| 75 | void light_screen(image *sc, int32_t screenx, int32_t screeny, uint8_t *light_lookup, uint16_t ambient); |
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| 76 | void double_light_screen(image *sc, int32_t screenx, int32_t screeny, uint8_t *light_lookup, uint16_t ambient, |
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| 77 | image *out, int32_t out_x, int32_t out_y); |
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| 78 | |
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| 79 | void calc_light_table(palette *pal); |
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| 80 | extern light_source *first_light_source; |
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| 81 | extern int light_detail; |
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| 82 | |
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| 83 | extern int32_t light_to_number(light_source *l); |
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| 84 | extern light_source *number_to_light(int32_t x); |
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| 85 | |
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| 86 | #endif |
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