feat (BROKEN): Save world code

code/first.c

@@ -95,8 +95,9 @@ int main(int argc, char **argv)
 		camera->farp = 1000.0f;
 
 		game->draw.camera = camera;
-		World *world = M_ArenaPush(arena, World);
+		World *world = LoadWorld(arena);
     game->world = world;
+    world->arena = arena;
     world->random = Random_Seed(29237489723847);
     world->npcCount = 2;
     for(U32 i = 0; i < world->npcCount; i++) {
@@ -126,7 +127,6 @@ int main(int argc, char **argv)
     badman->pointsOfInterest[0] = 937;
     badman->pointsOfInterest[1] = 12;
 
-		world->navMesh = &TestNavMesh;
 		world->npcPOI[0] = 100;
     world->player.world = world;
 		world->player.pos.x = 0;
@@ -213,8 +213,6 @@ int main(int argc, char **argv)
 // 		D_Rect(&game->draw, -8.0f, 0.0f, .texture = 2, .scale = 2.0f);
 // 		D_Rect(&game->draw, 6.0f, 0.0f, .texture = 3);
 
-		G_WorldDraw(game, game->world);
-
 		R2f aframe = D_AnimationFrame(&animation);
 		D_Rect(&game->draw, 0, 0, .texture = animation.id, .uv = aframe, .flags = D_RECT_UV_ASPECT);
 

code/game/impl/world.c

@@ -3,6 +3,8 @@
 #include "../player.h"
 #include "../aabb.h"
 #include <SDL3/SDL_events.h>
+#include <SDL3/SDL_keycode.h>
+#include <SDL3/SDL_oldnames.h>
 #include "../map.h"
 
 void UpdateWorld(F32 delta, World *world)
@@ -29,6 +31,9 @@ void UpdateNPCs(F32 delta, World *world)
 void ProcessEvents(SDL_Event *event, World *world)
 {
   PlayerInput(event, &world->player);
+  if(event->type == SDL_EVENT_KEY_DOWN && event->key.key == SDLK_F5){
+    SaveWorld(world->arena, world);
+  }
 }
 
 void RenderWorld(World *world, D_Context *draw) {
@@ -42,36 +47,35 @@ void RenderWorld(World *world, D_Context *draw) {
     if(npc.currentArea == world->player.currentArea) {
       V2f drawPos = AABB_Centre(npc.collision);
       D_Rect(draw, drawPos.x, drawPos.y, .texture = 1);
-      D_Rect(draw, drawPos.x, drawPos.y, .texture = 0, .dim = npc.collision.size, .flags = D_RECT_IGNORE_ASPECT);
     }
   }
   if(world->bandit.currentArea == world->player.currentArea) {
     V2f drawPos = AABB_Centre(world->bandit.collision);
     D_Rect(draw, drawPos.x, drawPos.y, .texture = 9);
-    D_Rect(draw, drawPos.x, drawPos.y, .texture = 0, .dim = world->bandit.collision.size, .flags = D_RECT_IGNORE_ASPECT);
   }
   D_Rect(draw, world->player.pos.x, world->player.pos.y, .texture = 1);
 }
 
-void G_WorldDraw(G_State *game, World *world) {
+void SaveWorld(M_Arena *arena, World *world) {
-	D_Context *draw = &game->draw;
+  printf("Saving world\n");
-
+  OS_Handle file = FS_FileOpen(S("world.sgdat"), FS_ACCESS_WRITE);
-	(void) world;
+  FS_FileWrite(file, world, sizeof(World)+sizeof(NavMesh), 0);
-
+  FS_FileWrite(file, world->navMesh, sizeof(World)+sizeof(NavMesh), sizeof(World));
-	U32 id     = D_ImageHandle(&game->draw, S("tile_dirt_0"));
+  FS_FileClose(file);
-	U32 alt_id = D_ImageHandle(&game->draw, S("tile_dirt_1"));
+  printf("Saved world :)\n");
-
-	for (F32 y = -128; y < 128; y += 1.0f) {
-		for (F32 x = -128; x < 128; x += 1.0f) {
-			U32 ux = (U32) x;
-			U32 uy = (U32) y;
-
-			U32 tid = id;
-			if ((ux % 11) == 0 || ((uy % 7) == 0)) {
-				tid = alt_id;
 }
 
-			D_Rect(draw, x, y, .texture = tid);
+World *LoadWorld(M_Arena *arena) {
-		}
+  printf("loading world\n");
-	}
+  OS_Handle file = FS_FileOpen(S("world.sgdat"), FS_ACCESS_WRITE);
+  World *world = M_ArenaPush(arena, World);
+  NavMesh *navMesh = M_ArenaPush(arena, NavMesh);
+  FS_FileRead(file, world, sizeof(World), 0);
+  FS_FileRead(file, navMesh, sizeof(NavMesh), sizeof(World));
+  FS_FileClose(file);
+  world->navMesh = navMesh;
+  world->arena = arena;
+  world->player.world = world;
+  printf("loaded world\n");
+  return world;
 }

code/game/world.h

@@ -29,6 +29,8 @@ typedef struct World World;
 #include "bandit.h"
 
 struct World {
+  //// Utils
+  M_Arena *arena;
   //// Static stuff
   NavMesh *navMesh;
   Random random;
@@ -56,4 +58,7 @@ function void UpdateNPCs(F32 delta, World *world);
 function void UpdateNPC(F32 delta, NPC *npc, World *world);
 function void UpdateBandit(F32 delta, Bandit *bandit, World *world);
 
+function World *LoadWorld(M_Arena *arena);
+function void SaveWorld(M_Arena *arena, World *world);
+
 #endif  // LD_GAME_WORLD_H_