102 lines
2.2 KiB
C
102 lines
2.2 KiB
C
/*
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** patterns.c - <+DESC+>
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**
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** 2014 - Frank Villaro-Dixon <Frank@Villaro-Dixon.eu>
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "game.h"
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#include "obs.h"
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void
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pattern_copyleft_spec(struct s_game *g, int cleared_face) {
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int times;
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int max_dist = get_max_obs_dist(g);
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for(times = 0; times < g->polygon_type; times++) {
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if(times != cleared_face) {
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struct s_obstacle o;
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o = create_obstacle(SHAPE_THICK, times, 1, max_dist + K_CLEARANCE);
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add_obstacle(g, o);
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}
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}
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}
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void
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pattern_copyleft(struct s_game *g) {
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pattern_copyleft_spec(g, rand() % g->polygon_type);
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}
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void
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pattern_copy3left(struct s_game *g) {
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pattern_copyleft_spec(g, 0);
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pattern_copyleft_spec(g, g->polygon_type/2);
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pattern_copyleft_spec(g, 0);
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}
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void
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pattern_opposing_forces(struct s_game *g) {
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int times;
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int max_dist = get_max_obs_dist(g);
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int cleared_face = rand() % g->polygon_type;
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for(times = 0; times < g->polygon_type; times+=2) {
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struct s_obstacle o;
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o = create_obstacle(SHAPE_THICK,
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(times + cleared_face)%g->polygon_type,
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1, max_dist + K_CLEARANCE);
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add_obstacle(g, o);
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}
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}
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void
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pattern_3opposing_forces(struct s_game *g) {
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pattern_opposing_forces(g);
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pattern_opposing_forces(g);
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pattern_opposing_forces(g);
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}
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void
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pattern_schenille(struct s_game *g) {
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int times;
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int cleared_face = rand() % g->polygon_type;
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int max_dist = get_max_obs_dist(g);
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int dir = 1 - 2 * (rand()%2);
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int leng = rand()%7 + 10;
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for(times = 0; times < leng; times++) {
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struct s_obstacle o;
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o = create_obstacle(SHAPE_THICK,
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cleared_face,
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1,
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max_dist + K_CLEARANCE + times*SHAPE_THICK);
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add_obstacle(g, o);
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cleared_face += dir;
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CLEVER_MODULO(cleared_face, g->polygon_type);
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}
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}
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void
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add_pattern(struct s_game *g) {
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int n_patterns = 5;
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void (*patterns[])(struct s_game *g) = {pattern_copyleft,
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pattern_schenille,
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pattern_copy3left,
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pattern_opposing_forces,
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pattern_3opposing_forces};
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int choosen_pattern = rand() % n_patterns;
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patterns[choosen_pattern](g);
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}
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