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added random structure generation (empty chunks)

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Alexandre 2024-08-28 15:59:43 +02:00
parent 28f2e8f6ab
commit 99547bc74c
5 changed files with 77 additions and 5 deletions
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74
src/generation.c
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@ -20,6 +20,9 @@
Grid map ;
int emptyChance = 75 ; // 1 out of this number for empty chunk override
int sizeIncreaseChance = 15 ; // % for an empty chunk to increase in size
template* configs ;
array** matches ;
int n_configs = 18;
@ -42,6 +45,7 @@ imgs digits ;
imgs letters ;
template full ;
template empty ;
// yes Valentin I learned to use .h the intended way xD
@ -56,6 +60,7 @@ template copy(template src) {
new.id = src.id ;
new.eastsig = src.eastsig;
new.westsig = src.westsig;
new.checkCompat = src.checkCompat ;
new.lines = malloc(sizeof(uint8_t)*8);
for(int i = 0; i < 8; i++) {
new.lines[i] = src.lines[i];
@ -77,6 +82,16 @@ void generate_chunk(int x, int y, int config_id) {
gridInsert(map, x, y, new);
}
void generate_chunk_raw(int x, int y, template tpl) {
chunk* new = malloc(sizeof(chunk)) ;
new->chx = x ;
new->chy = y ;
new->draw_id = draw_par - 2;
new->chdata = copy(tpl);
//printf("%d\n", new->chdata.checkCompat);
gridInsert(map, x, y, new);
}
void print_template(int config_id) {
for(int i = 0; i < 8; i++) {
uint8_t rem = configs[config_id].lines[i];
@ -122,7 +137,7 @@ void rotateTemplateClockWise(int config_id) {
bool is_compat_sig_north(int cx, int cy, int idx) {
chunk* cp = gridGet(map, cx, cy-1);
if(cp == NULL) {
if(cp == NULL || !cp->chdata.checkCompat) {
return true;
} else {
return cp->chdata.lines[7] == configs[idx].lines[0];
@ -130,7 +145,7 @@ bool is_compat_sig_north(int cx, int cy, int idx) {
}
bool is_compat_sig_south(int cx, int cy, int idx) {
chunk* cp = gridGet(map, cx, cy+1);
if(cp == NULL) {
if(cp == NULL || !cp->chdata.checkCompat) {
return true;
} else {
return cp->chdata.lines[0] == configs[idx].lines[7];
@ -138,7 +153,7 @@ bool is_compat_sig_south(int cx, int cy, int idx) {
}
bool is_compat_sig_east(int cx, int cy, int idx) {
chunk* cp = gridGet(map, cx+1, cy);
if(cp == NULL) {
if(cp == NULL || !cp->chdata.checkCompat) {
return true;
} else {
return cp->chdata.westsig == configs[idx].eastsig;
@ -146,7 +161,7 @@ bool is_compat_sig_east(int cx, int cy, int idx) {
}
bool is_compat_sig_west(int cx, int cy, int idx) {
chunk* cp = gridGet(map, cx-1, cy);
if(cp == NULL) {
if(cp == NULL || !cp->chdata.checkCompat) {
return true;
} else {
return cp->chdata.eastsig == configs[idx].westsig;
@ -217,7 +232,32 @@ void generate_chunk_all(int cx, int cy) {
};
//printf("generating %d at (%d, %d)...\n", idx, cx, cy);
//print_template(idx);
generate_chunk(cx, cy, idx);
int R = rand()%emptyChance;
//printf("%d/%d\n", R, emptyChance);
if(R != 0) {
generate_chunk(cx, cy, idx);
} else {
generate_chunk_raw(cx, cy, empty);
if(rand()%100 < sizeIncreaseChance) {
if(!(gridMem(map, cx+1, cy) || gridMem(map, cx+1, cy+1) || gridMem(map, cx, cy+1))) {
generate_chunk_raw(cx+1, cy, empty);
generate_chunk_raw(cx, cy+1, empty);
generate_chunk_raw(cx+1, cy+1, empty);
} else if(!(gridMem(map, cx+1, cy) || gridMem(map, cx+1, cy-1) || gridMem(map, cx, cy-1))) {
generate_chunk_raw(cx+1, cy, empty);
generate_chunk_raw(cx, cy-1, empty);
generate_chunk_raw(cx+1, cy-1, empty);
} else if(!(gridMem(map, cx-1, cy) || gridMem(map, cx-1, cy-1) || gridMem(map, cx, cy-1))) {
generate_chunk_raw(cx-1, cy, empty);
generate_chunk_raw(cx, cy-1, empty);
generate_chunk_raw(cx-1, cy-1, empty);
} else if(!(gridMem(map, cx-1, cy) || gridMem(map, cx-1, cy+1) || gridMem(map, cx, cy+1))) {
generate_chunk_raw(cx-1, cy, empty);
generate_chunk_raw(cx, cy+1, empty);
generate_chunk_raw(cx-1, cy+1, empty);
}
}
}
}
void initialize(SDL_Renderer* renderer) {
@ -227,11 +267,33 @@ void initialize(SDL_Renderer* renderer) {
import_digits(renderer);
full.lines = malloc(sizeof(uint8_t)*8);
full.westsig = 255 ;
full.eastsig = 255 ;
full.checkCompat = false ;
for(int i = 0; i < 8; i++) {
full.lines[i] = 255 ;
};
full.id = -1 ;
empty.lines = malloc(sizeof(uint8_t)*8);
empty.westsig = 0 ;
empty.eastsig = 0 ;
empty.checkCompat = false ;
empty.lines[0] = 0 ;
empty.lines[1] = 0 ;
empty.lines[2] = 0 ;
empty.lines[3] = 24 ;
empty.lines[4] = 24 ;
empty.lines[5] = 0 ;
empty.lines[6] = 0 ;
empty.lines[7] = 0 ;
empty.id = -1 ;
generate_chunk(0, 0, 2);
}
@ -242,6 +304,7 @@ void destroy() {
free_digits(letters);
free(full.lines);
free(empty.lines);
}
void parse_one(FILE* ptr, FILE* ptr2, int index) {
@ -283,6 +346,7 @@ void parse_configs(char* filename, int n_conf) {
configs[i].id = i;
configs[i].eastsig = 0 ;
configs[i].westsig = 0 ;
configs[i].checkCompat = true ;
configs[i].lines = malloc(sizeof(uint8_t)*8);
for(int j = 0; j < 8; j++) {
configs[i].lines[j] = 0;

2
src/generation.h
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@ -5,6 +5,8 @@ bool unpack_coord(uint8_t* lines, int cx, int cy);
void generate_chunk(int x, int y, int config_id);
void generate_chunk_raw(int x, int y, template tpl);
void print_template(int config_id);
void rotateTemplateClockWise(int config_id);

2
src/hash.h
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@ -8,6 +8,8 @@ typedef struct template {
uint8_t id ;
uint8_t* lines ; // len = 8
bool checkCompat ;
uint8_t eastsig ;
uint8_t westsig ;
} template ;

4
src/structure.h
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@ -15,6 +15,9 @@ typedef enum cardinal {NORTH, EAST, SOUTH, WEST} cardinal ;
extern Grid map ;
extern int emptyChance ;
extern int sizeIncreaseChance ;
extern int zoom ;
extern int render_distance ;
@ -46,5 +49,6 @@ extern imgs digits ;
extern imgs letters ;
extern template full ;
extern template empty ;
#endif