Create world.c

iris_c/world.c

@@ -0,0 +1,40 @@
+#include "world.h"
+
+#include <stddef.h>
+
+#include "random.h"
+
+static quadrant_type random_quadrant_type(void) {
+    uint8_t roll = random_range(100);
+
+    if (roll < 30) return Q_EMPTY;
+    if (roll < 40) return Q_ASTEROID_FIELD;
+    if (roll < 50) return Q_STAR_SYSTEM;
+    if (roll < 60) return Q_NEBULA;
+    if (roll < 70) return Q_BLACK_HOLE;
+    if (roll < 80) return Q_WHITE_HOLE;
+    if (roll < 85) return Q_PULSAR;
+    if (roll < 90) return Q_SUPERNOVA;
+    if (roll < 95) return Q_ANOMALY;
+    return Q_SINGULARITY;
+}
+
+void world_generate(world_t *w) {
+    if (w == NULL) return;
+
+    for (uint16_t y = 0; y < WORLD_HEIGHT; y++) {
+        for (uint16_t x = 0; x < WORLD_WIDTH; x++) {
+            quadrant_t *q = &w->quadrants[y][x];
+            q->type = random_quadrant_type();
+            q->is_old = (random_range(100) < 20);
+            q->is_visited = false;
+            q->is_discovered = false;
+        }
+    }
+}
+
+const quadrant_t *world_get_quadrant(const world_t *w, uint16_t x, uint16_t y) {
+    if (w == NULL) return NULL;
+    if (x >= WORLD_WIDTH || y >= WORLD_HEIGHT) return NULL;
+    return &w->quadrants[y][x];
+}

iris_c/world.h

@@ -27,13 +27,13 @@ typedef struct {
     bool is_visited;
     bool is_discovered;
     bool is_old;
-} quadrant;
+} quadrant_t;
 
 typedef struct {
-    quadrant quadrants[WORLD_HEIGHT][WORLD_WIDTH];
+    quadrant_t quadrants[WORLD_HEIGHT][WORLD_WIDTH];
 } world_t;
 
 void world_generate(world_t *w);
-const quadrant * world_get_quadrant(const world_t *w, uint16_t x, uint16_t y);
+const quadrant_t * world_get_quadrant(const world_t *w, uint16_t x, uint16_t y);
 
 #endif