world_fill_dot

code/apps/server/CMakeLists.txt

@@ -4,7 +4,6 @@ add_executable(eco2d-server
   source/perlin.c
   source/options.c
   source/world.c
-  source/world_gen.c
   source/blocks.c
 
   header/network.h

code/apps/server/source/world.c

@@ -34,3 +34,5 @@ uint32_t world_buf(uint8_t const **ptr, uint32_t *width) {
     if (width) *width = world_width;
     return world_size;
 }
+
+#include "world_gen.c"

code/apps/server/source/world_gen.c

@@ -2,16 +2,24 @@
 #include "blocks.h"
 #include "zpl.h"
 
-static void world_fill(uint8_t *world, uint32_t width, uint32_t id, uint32_t x, uint32_t y, uint32_t w, uint32_t h) {
+#include <math.h>
+
+static void world_fill_rect(uint32_t id, uint32_t x, uint32_t y, uint32_t w, uint32_t h) {
     for (uint32_t cy=y; cy<y+h; cy++) {
         for (uint32_t cx=x; cx<x+w; cx++) {
-            uint32_t i = (cy*width) + cx;
+            uint32_t i = (cy*world_width) + cx;
             world[i] = id;
         }
     }
 }
 
-int32_t world_gen(uint8_t *world, uint32_t size, uint32_t width, uint32_t height, int32_t seed) {
+static void world_fill_dot(uint32_t id, uint32_t x, uint32_t y, uint32_t w, uint32_t h) {
+    uint32_t w2 = (uint32_t)floor(w/2.0);
+    uint32_t h2 = (uint32_t)floor(h/2.0);
+    world_fill_rect(id, x-w2, y-h2, w, h);
+}
+
+int32_t world_gen(int32_t seed) {
     // TODO: perform world gen
     // atm, we will fill the world with ground and surround it by walls
     uint32_t wall_id = blocks_find(BLOCK_BIOME_DEV, BLOCK_KIND_WALL);
@@ -19,13 +27,13 @@ int32_t world_gen(uint8_t *world, uint32_t size, uint32_t width, uint32_t height
     uint32_t watr_id = blocks_find(BLOCK_BIOME_DEV, BLOCK_KIND_WATER);
 
     // walls
-    world_fill(world, width, wall_id, 0, 0, width, height);
+    world_fill_rect(wall_id, 0, 0, world_width, world_height);
 
     // ground
-    world_fill(world, width, grnd_id, 1, 1, width-2, height-2);
+    world_fill_rect(grnd_id, 1, 1, world_width-2, world_height-2);
 
     // water
-    world_fill(world, width, watr_id, 5, 5, 3, 3);
+    world_fill_dot(watr_id, 8, 8, 4, 4);
 
     return WORLD_ERROR_NONE;
 }