feat: Nav mesh generation

code/first.c

@@ -24,7 +24,6 @@
 #include "game/impl/world.c"
 #include "game/impl/npc.c"
 #include "game/impl/bandit.c"
-#include "game/testnavmesh.h"
 
 int main(int argc, char **argv)
 {
@@ -95,21 +94,22 @@ int main(int argc, char **argv)
 		camera->farp = 1000.0f;
 
 		game->draw.camera = camera;
-		World *world = M_ArenaPush(arena, World);//LoadWorld(arena);
+		World *world = M_ArenaPush(arena, World);
+    //LoadWorld(arena, world);
     game->world = world;
     world->arena = arena;
-    world->navMesh = &TestNavMesh;
+    //world->navMesh = &TestNavMesh;
     world->random = Random_Seed(29237489723847);
-    world->npcCount = 2;
+    world->npcCount = 127;
     for(U32 i = 0; i < world->npcCount; i++) {
       NPC *npc1 = &world->npcs[i];
-      npc1->collision.pos.x = 15;
-      npc1->collision.pos.y = 15;
+      npc1->collision.pos.x = 0;
+      npc1->collision.pos.y = 0;
       npc1->collision.size.x = 1;
       npc1->collision.size.y = 2;
       npc1->name = S("Matt");
       npc1->mode = NPC_ACTION_WAITING;
-      npc1->currentArea = i;
+      npc1->currentArea = WORLD_AREA_OUTSIDE;
       npc1->waitTime = 0;
       npc1->maxWaitTime = 5;
       npc1->currentNavNode = 0;
@@ -125,106 +125,99 @@ int main(int argc, char **argv)
 		badman->waitTime = 0;
 		badman->maxWaitTime = 2;
 		badman->poiCount = 2;
-		badman->shootoutTimer = 1.5;
-		badman->agroRadius = 600.0;
-    badman->bullets = 6;
-    badman->shootDelay = 1;
-    badman->accuracyRange = 0.25;
-    badman->reloadTime = 2.5;
-    badman->reloadTimer = 0;
     badman->pointsOfInterest[0] = 937;
     badman->pointsOfInterest[1] = 12;
 
 		world->npcPOI[0] = 100;
     world->player.world = world;
-		world->player.collision.pos.x = 0;
-		world->player.collision.pos.y = 0;
-		world->player.collision.size.x = 1;
-		world->player.collision.size.y = 2;
+		world->player.pos.x = 0;
+		world->player.pos.y = 0;
 		world->player.bulletsLoaded = PLAYER_BULLET_COUNT;
 		world->player.reloadTimer = 0;
-    world->player.health = 3;
     world->player.currentArea = WORLD_AREA_OUTSIDE;
-    for(int i =0; i< 4200; i++) {
-      world->map[i] = map[i];
-    }
+    world->map = map;
 
+    world->tileTypes = M_ArenaPush(arena, World_Tile, .count=WORLD_TILE_TYPE_MAX);
     world->tileTypes[0].rotation=0;
-    world->tileTypes[0].collision=false;
-    world->tileTypes[0].tile=D_ImageHandle(&game->draw, S("tile_dirt_0"));
+    world->tileTypes[0].tag=S("tile_dirt_0");
     world->tileTypes[1].rotation=0,
-    world->tileTypes[1].collision=false,
-    world->tileTypes[1].tile=D_ImageHandle(&game->draw, S("path_middle"));
+    world->tileTypes[1].tag=S("path_middle");
     world->tileTypes[2].rotation=0;
-    world->tileTypes[2].collision=false;
-    world->tileTypes[2].tile=D_ImageHandle(&game->draw, S("path_middle_edge"));
+    world->tileTypes[2].tag=S("path_middle_edge");
     world->tileTypes[3].rotation=PI_F32/2;
-    world->tileTypes[3].collision=false;
-    world->tileTypes[3].tile=D_ImageHandle(&game->draw, S("path_middle_edge"));
+    world->tileTypes[3].tag=S("path_middle_edge");
     world->tileTypes[4].rotation=PI_F32;
-    world->tileTypes[4].collision=false;
-    world->tileTypes[4].tile=D_ImageHandle(&game->draw, S("path_middle_edge"));
+    world->tileTypes[4].tag=S("path_middle_edge");
     world->tileTypes[5].rotation=-PI_F32/2;
-    world->tileTypes[5].collision=false;
-    world->tileTypes[5].tile=D_ImageHandle(&game->draw, S("path_middle_edge"));
+    world->tileTypes[5].tag=S("path_middle_edge");
     world->tileTypes[6].rotation=0;
-    world->tileTypes[6].collision=false;
-    world->tileTypes[6].tile=D_ImageHandle(&game->draw, S("path_middle"));
+    world->tileTypes[6].tag=S("path_middle");
     world->tileTypes[7].rotation=PI_F32/2;
-    world->tileTypes[7].collision=false;
-    world->tileTypes[7].tile=D_ImageHandle(&game->draw, S("path_middle"));
+    world->tileTypes[7].tag=S("path_middle");
     world->tileTypes[8].rotation=-PI_F32;
-    world->tileTypes[8].collision=false;
-    world->tileTypes[8].tile=D_ImageHandle(&game->draw, S("path_middle"));
+    world->tileTypes[8].tag=S("path_middle");
     world->tileTypes[9].rotation=-PI_F32/2;
-    world->tileTypes[9].collision=false;
-    world->tileTypes[9].tile=D_ImageHandle(&game->draw, S("path_middle"));
+    world->tileTypes[9].tag=S("path_middle");
     world->tileTypes[10].rotation=0;
-    world->tileTypes[10].collision=false;
-    world->tileTypes[10].tile=D_ImageHandle(&game->draw, S("path_corner"));
+    world->tileTypes[10].tag=S("path_corner");
     world->tileTypes[11].rotation=PI_F32/2;
-    world->tileTypes[11].collision=false;
-    world->tileTypes[11].tile=D_ImageHandle(&game->draw, S("path_corner"));
+    world->tileTypes[11].tag=S("path_corner");
     world->tileTypes[12].rotation=-PI_F32/2;
-    world->tileTypes[12].collision=false;
-    world->tileTypes[12].tile=D_ImageHandle(&game->draw, S("path_corner"));
+    world->tileTypes[12].tag=S("path_corner");
     world->tileTypes[13].rotation=PI_F32;
-    world->tileTypes[13].collision=false;
-    world->tileTypes[13].tile=D_ImageHandle(&game->draw, S("path_corner"));
+    world->tileTypes[13].tag=S("path_corner");
     world->tileTypes[14].rotation=0;
-    world->tileTypes[14].collision=false;
-    world->tileTypes[14].tile=D_ImageHandle(&game->draw, S("tile_dirt_1"));
+    world->tileTypes[14].tag=S("tile_dirt_1");
 
-    world->propTypes[0].assetHandle=D_ImageHandle(&game->draw, S("rug0"));
+    world->propTypes = M_ArenaPush(arena, World_PropType, .count=WORLD_PROP_TYPE_MAX);
+    world->propTypes[0].tag=S("rug0");
     world->propTypes[0].scale=1;
-    world->propTypes[1].assetHandle=D_ImageHandle(&game->draw, S("rug1"));
+    world->propTypes[1].tag=S("rug1");
     world->propTypes[1].scale=1;
-    world->propTypes[2].assetHandle=D_ImageHandle(&game->draw, S("skull"));
+    world->propTypes[2].tag=S("skull");
     world->propTypes[2].scale=1;
-    world->propTypes[3].assetHandle=D_ImageHandle(&game->draw, S("table"));
-    world->propTypes[3].scale=1;
-    world->propTypes[4].assetHandle=D_ImageHandle(&game->draw, S("barrel"));
+    world->propTypes[3].tag = S("table");
+    world->propTypes[3].scale=2;
+    world->propTypes[4].tag = S("barrel");
     world->propTypes[4].scale=1;
-    world->propTypes[5].assetHandle=D_ImageHandle(&game->draw, S("can"));
+    world->propTypes[5].tag = S("can");
     world->propTypes[5].scale=1;
-    world->propTypes[6].assetHandle=D_ImageHandle(&game->draw, S("candle"));
+    world->propTypes[6].tag = S("candle");
     world->propTypes[6].scale=1;
-    world->propTypes[7].assetHandle=D_ImageHandle(&game->draw, S("clock"));
+    world->propTypes[7].tag = S("clock");
     world->propTypes[7].scale=1;
-    world->propTypes[8].assetHandle=D_ImageHandle(&game->draw, S("log_pile"));
+    world->propTypes[8].tag = S("log_pile");
     world->propTypes[8].scale=1;
-    world->propTypes[9].assetHandle=D_ImageHandle(&game->draw, S("nightstand"));
+    world->propTypes[9].tag = S("nightstand");
     world->propTypes[9].scale=1;
-    world->propTypes[10].assetHandle=D_ImageHandle(&game->draw, S("pool_table"));
-    world->propTypes[10].scale=1;
-    world->propTypes[11].assetHandle=D_ImageHandle(&game->draw, S("saloon_ext"));
+    world->propTypes[10].tag = S("pool_table");
+    world->propTypes[10].scale=2;
+    world->propTypes[11].tag = S("saloon_ext");
     world->propTypes[11].scale=6.875f;
-    world->propTypes[12].assetHandle=D_ImageHandle(&game->draw, S("saloon_int"));
-    world->propTypes[12].scale=6.875f;
-    world->propTypes[11].assetHandle=D_ImageHandle(&game->draw, S("house"));
-    world->propTypes[11].scale=6.875f;
-    world->propTypes[12].assetHandle=D_ImageHandle(&game->draw, S("house_int"));
-    world->propTypes[12].scale=6.875f;
+    world->propTypes[12].tag = S("saloon_int");
+    world->propTypes[12].scale=2*6.875f;
+    world->propTypes[13].tag = S("house");
+    world->propTypes[13].scale=6.875f;
+    world->propTypes[14].tag = S("house_int");
+    world->propTypes[14].scale=6.875f;
+    world->propTypes[15].tag=S("tile_detail_0");
+    world->propTypes[15].scale=1;
+    world->propTypes[16].tag =  S("tile_detail_1");
+    world->propTypes[16].scale=1;
+    world->propTypes[17].tag = S("tile_detail_2");
+    world->propTypes[17].scale=1;
+    world->propTypes[18].tag= S("tile_detail_3");
+    world->propTypes[18].scale=1;
+    world->propTypes[19].tag= S("tile_detail_4");
+    world->propTypes[19].scale=1;
+    world->propTypes[20].tag=S("tile_detail_5");
+    world->propTypes[20].scale=1;
+    world->propTypes[21].tag=S("tile_detail_6");
+    world->propTypes[21].scale=1;
+    world->propCount = 0;
+    world->props = M_ArenaPush(arena, World_Prop, .count=WORLD_PROP_MAX);
+    world->hitboxes = M_ArenaPush(arena, AABB, .count=WORLD_HITBOX_MAX);
+    GenerateNavMesh(arena, world);
 	}
   game->editor.enabled = false;
   game->editor.mode = G_EDITOR_MODE_TILE;
@@ -239,8 +232,6 @@ int main(int argc, char **argv)
 
 	bool running = true;
 
-	printf("%zu size in bytes\n", sizeof(TestNavMesh));
-
 	const int width  = 1280;
 	const int height = 720;
 
@@ -338,6 +329,7 @@ int main(int argc, char **argv)
           }
           case SDLK_SPACE: {
             game->editor.mode = (game->editor.mode + 1) % 4;
+            printf("EDITOR MODE %d\n", game->editor.mode);
             break;
           }
           case SDLK_U: {
@@ -353,8 +345,8 @@ int main(int argc, char **argv)
 
     if(!game->editor.enabled) {
 		  UpdateWorld(1.0f / 60.0f, game->world);
-      game->camera.p.x = game->world->player.collision.pos.x;
-      game->camera.p.y = game->world->player.collision.pos.y;
+      game->camera.p.x = game->world->player.pos.x;
+      game->camera.p.y = game->world->player.pos.y;
     } 
     D_AnimationUpdate(&animation, 1.0f / 250.0f);
 
@@ -406,18 +398,26 @@ int main(int argc, char **argv)
       switch(game->editor.mode) {
         case G_EDITOR_MODE_TILE: {
           World_Tile asset = game->world->tileTypes[editor.currentAsset];
-		      D_Rect(&game->draw, tilex, tiley, .texture=asset.tile, .angle=asset.rotation);
+		      D_Rect(&game->draw, tilex, tiley, .texture=D_ImageHandle(&game->draw, asset.tag), .angle=asset.rotation);
           break;
         }
         case G_EDITOR_MODE_PROP: {
           World_PropType prop = game->world->propTypes[editor.currentAsset];
-		      D_Rect(&game->draw, editor.cursor.x, editor.cursor.y, .texture=prop.assetHandle, .scale=prop.scale);
+		      D_Rect(&game->draw, editor.cursor.x, editor.cursor.y, .texture=D_ImageHandle(&game->draw, prop.tag), .scale=prop.scale);
           break;
         }
         case G_EDITOR_MODE_HITBOX: {
           for(int i = 0; i < game->world->hitboxCount; i++) {
             V2f centre = AABB_Centre(game->world->hitboxes[i]);
-		        D_Rect(&game->draw, centre.x, centre.y, .texture=0, .dim=game->world->hitboxes[i].size, .flags=D_RECT_IGNORE_ASPECT);
+		        D_Rect(
+              &game->draw,
+              centre.x,
+              centre.y,
+              .texture=0,
+              .dim=game->world->hitboxes[i].size,
+              .flags=D_RECT_IGNORE_ASPECT,
+              .c=V4F(100,0,0,0.7),
+            );
           }
           break;
         }

code/game/aabb.h

@@ -14,6 +14,5 @@ function bool AABB_Collide(AABB a, AABB b);
 function bool AABB_Point(AABB a, V2f v);
 function bool AABB_Slab(V2f origin, V2f point, AABB a);
 function V2f AABB_Centre(AABB a);
-function bool AABB_Circle(F32 rad, V2f radOrigin, AABB a);
 
 #endif // LD_GAME_AABB_H_

code/game/bandit.h

@@ -2,13 +2,11 @@
 #define LD_GAME_BANDIT_H_
 
 typedef enum BANDIT_ACTION BANDIT_ACTION;
-enum BANDIT_ACTION
-{
+enum BANDIT_ACTION {
   BANDIT_WAITING,
   BANDIT_WALKING,
   BANDIT_RUNNING,
   BANDIT_SHOOTING,
-  BANDIT_SHOOTOUT,
 };
 
 typedef struct Bandit Bandit;
@@ -52,18 +50,12 @@ struct Bandit {
   F32 shootDelay;
   // After each shot this is set to shootDelay;
   F32 shootCooldownTimer;
-  // Countdown to shootout
-  F32 shootoutTimer;
   // How long it takes them to reload.
   F32 reloadTime;
-  // When gun is empty this is set to reloadTime.
-  F32 reloadTimer;
   // Accuracy, their shots can vary between this angle either side (rads)
   F32 accuracyRange;
   // A the circle around the bandit where they will trigger the quicktime reaction scene
   F32 agroRadius;
 };
 
-function V2f shootTowards(Bandit* bandit, V2f target, Random* r);
-
 #endif  // LD_GAME_BANDIT_H_

code/game/impl/aabb.c

@@ -38,11 +38,3 @@ bool AABB_Slab(V2f origin, V2f point, AABB a)
 V2f AABB_Centre(AABB a) {
   return V2F(a.pos.x + a.size.x/2, a.pos.y + a.size.y/2);
 }
-
-bool AABB_Circle(F32 rad, V2f radOrigin, AABB a)
-{
-  V2f aCentre = AABB_Centre(a);
-  F32 xSq = (Abs(aCentre.x) - Abs(radOrigin.x)) * (Abs(aCentre.x) - Abs(radOrigin.x));
-  F32 ySq = (Abs(aCentre.y) - Abs(radOrigin.y)) * (Abs(aCentre.y) - Abs(radOrigin.y));
-  return SDL_sqrt(xSq + ySq) < rad;
-}

code/game/impl/bandit.c

@@ -1,27 +1,13 @@
 #include "game/world.h"
 #include "game/bandit.h"
 
-V2f shootTowards(Bandit *bandit, V2f target, Random* r)
-{
-  V2f shooterV2 = bandit->collision.pos;
-  F32 randX = Random_F32(r, -bandit->accuracyRange, bandit->accuracyRange);
-  F32 randY = Random_F32(r, -bandit->accuracyRange, bandit->accuracyRange);
-  return V2F(shooterV2.x + (target.x - shooterV2.x) * (1 + randX), shooterV2.x + (target.y - shooterV2.y) * (1 + randY));
-}
-
 void UpdateBandit(F32 delta, Bandit *bandit, World *world) {
   if (
-      world->player.controls.shot && AABB_Slab(world->player.collision.pos, world->player.shotPos, bandit->collision) && bandit->currentArea == world->player.currentArea)
+      world->player.controls.shot && AABB_Slab(world->player.pos, world->player.shotPos, bandit->collision) && bandit->currentArea == world->player.currentArea)
   {
     printf("You shot the bandit %*.s\n", Sv(bandit->name));
     bandit->health--;
   }
-  if (AABB_Circle(bandit->agroRadius, AABB_Centre(bandit->collision), world->player.collision) && !(bandit->mode == BANDIT_SHOOTING || bandit->mode == BANDIT_SHOOTOUT))
-  {
-    printf("begin shootout");
-    // shootout time o.o
-    bandit->mode = BANDIT_SHOOTOUT;
-  }
   switch (bandit->mode) {
     case BANDIT_WAITING:
       bandit->waitTime+=delta;
@@ -55,33 +41,7 @@ void UpdateBandit(F32 delta, Bandit *bandit, World *world) {
       bandit->collision.pos.x = cNav.pos.x * (1 - bandit->walkTimer/NPC_SPEED) + tNav.pos.x * bandit->walkTimer/NPC_SPEED;
       bandit->collision.pos.y = cNav.pos.y * (1 - bandit->walkTimer/NPC_SPEED) + tNav.pos.y * bandit->walkTimer/NPC_SPEED;
     break;
-    case BANDIT_SHOOTOUT:
-      bandit->shootoutTimer-=delta; 
-      if(bandit->shootoutTimer < 0){
-        bandit->mode=BANDIT_SHOOTING;
-      }
-    break;
-    case BANDIT_SHOOTING:
-      bandit->shootCooldownTimer -= delta;
-      bandit->reloadTimer -= delta;
-      if (bandit->shootCooldownTimer < 0 && bandit->reloadTimer < 0)
-      {
-        printf("shoot at player");
-        bandit->bullets--;
-        bandit->shootCooldownTimer = bandit->shootDelay;
-        V2f banditShot = shootTowards(bandit, world->player.collision.pos, &world->random);
-        if(AABB_Slab(bandit->collision.pos, banditShot, world->player.collision)){
-          // gets shot lmao
-          printf("hit");
-          world->player.health--;
-        }
-        if(bandit->bullets == 0){
-          printf("enemy reload");
-          bandit->bullets = 6;
-          bandit->reloadTimer = bandit->reloadTime;
-        }
-      }
-    break;
+      // TODO Shooting
       // TODO Running away
   }
 }

code/game/impl/player.c

@@ -53,10 +53,6 @@ void PlayerInput(SDL_Event *event, Player *player)
 void PlayerUpdate(F32 delta, Player *player) {
   player->controls.shot = false;
   V2f dir = V2F(0, 0);
-  if(player->health == 0){
-    printf("dead :(");
-    player->health = 3;
-  }
   if(player->controls.upDown) {
     dir.y -= 1;
   }
@@ -77,6 +73,6 @@ void PlayerUpdate(F32 delta, Player *player) {
     }
   }
   dir = V2f_Scale(NormaliseV2F(dir), PLAYER_SPEED*delta);
-  player->collision.pos.x += dir.x;
-  player->collision.pos.y += dir.y;
+  player->pos.x += dir.x;
+  player->pos.y += dir.y;
 }

code/game/impl/world.c

@@ -9,9 +9,6 @@
 
 void UpdateWorld(F32 delta, World *world)
 {
-  if(world->bandit.mode == BANDIT_SHOOTOUT){
-    delta = delta/4;
-  }
   UpdateBandit(delta, &world->bandit, world);
   UpdateNPCs(delta, world);
   PlayerUpdate(delta, &world->player);
@@ -24,7 +21,7 @@ void UpdateNPCs(F32 delta, World *world)
     NPC *npc = &world->npcs[i];
     UpdateNPC(delta, npc, world);
     if (
-        world->player.controls.shot && AABB_Slab(world->player.collision.pos, world->player.shotPos, npc->collision) && npc->currentArea == world->player.currentArea)
+        world->player.controls.shot && AABB_Slab(world->player.pos, world->player.shotPos, npc->collision) && npc->currentArea == world->player.currentArea)
     {
       printf("You shot %*.s\n", Sv(world->npcs[i].name));
     }
@@ -37,6 +34,9 @@ void ProcessEvents(SDL_Event *event, World *world)
   if(event->type == SDL_EVENT_KEY_DOWN && event->key.key == SDLK_F5){
     SaveWorld(world->arena, world);
   }
+  if(event->type == SDL_EVENT_KEY_DOWN && event->key.key == SDLK_F6){
+    LoadWorld(world->arena, world);
+  }
 }
 
 void RenderWorld(World *world, D_Context *draw) {
@@ -45,7 +45,7 @@ void RenderWorld(World *world, D_Context *draw) {
       D_Rect(
         draw,
         (F32) (i % 96), (F32) (i / 96),
-        .texture = world->tileTypes[world->map[i]].tile,
+        .texture = D_ImageHandle(draw,world->tileTypes[world->map[i]].tag),
         .angle = (F32) world->tileTypes[world->map[i]].rotation,
       );
     }
@@ -56,11 +56,21 @@ void RenderWorld(World *world, D_Context *draw) {
         draw,
         world->props[i].pos.x,
         world->props[i].pos.y,
-        .texture = world->propTypes[world->props[i].propType].assetHandle,
+        .texture = D_ImageHandle(draw,world->propTypes[world->props[i].propType].tag),
         .scale = world->propTypes[world->props[i].propType].scale,
       );
     }
   }
+  for (int i = 0; i < world->navMesh->nodeCount; i++) {
+    NavNode n = world->navMesh->nodes[i];
+    D_Rect(
+      draw,
+      n.pos.x,
+      n.pos.y,
+      .texture = 0,
+      .scale = 0.2f,
+    );
+  }
   for(U32 i = 0; i < world->npcCount; i++) {
     NPC npc = world->npcs[i];
     if(npc.currentArea == world->player.currentArea) {
@@ -72,29 +82,129 @@ void RenderWorld(World *world, D_Context *draw) {
     V2f drawPos = AABB_Centre(world->bandit.collision);
     D_Rect(draw, drawPos.x, drawPos.y, .texture = 9);
   }
-  D_Rect(draw, world->player.collision.pos.x, world->player.collision.pos.y, .texture = 1);
+  D_Rect(draw, world->player.pos.x, world->player.pos.y, .texture = 1);
 }
 
 void SaveWorld(M_Arena *arena, World *world) {
   printf("Saving world\n");
   OS_Handle file = FS_FileOpen(S("world.sgdat"), FS_ACCESS_WRITE);
-  FS_FileWrite(file, world, sizeof(World)+sizeof(NavMesh), 0);
-  FS_FileWrite(file, world->navMesh, sizeof(World)+sizeof(NavMesh), sizeof(World));
+  U32 offset = 0;
+  for(int i = 0; i < WORLD_TILE_TYPE_MAX; i++) {
+    FS_FileWrite(file, &world->tileTypes[i].tag.count, sizeof(S64), offset);
+    offset += sizeof(S64);
+    FS_FileWrite(file, world->tileTypes[i].tag.data, world->tileTypes[i].tag.count, offset);
+    offset += sizeof(U8) * world->tileTypes[i].tag.count;
+    FS_FileWrite(file, &world->tileTypes[i].rotation, sizeof(F32), offset);
+    offset += sizeof(F32);
+  }
+  for(int i = 0; i < WORLD_PROP_TYPE_MAX; i++) {
+    FS_FileWrite(file, &world->propTypes[i].tag.count, sizeof(S64), offset);
+    offset += sizeof(S64);
+    FS_FileWrite(file, world->propTypes[i].tag.data, world->propTypes[i].tag.count, offset);
+    offset += sizeof(U8) * world->propTypes[i].tag.count;
+    FS_FileWrite(file, &world->propTypes[i].scale, sizeof(F32), offset);
+    offset += sizeof(F32);
+  }
+
+  FS_FileWrite(file, world->propTypes, sizeof(World_PropType)*WORLD_PROP_TYPE_MAX, offset);
+  offset += sizeof(World_PropType)*WORLD_PROP_TYPE_MAX;
+
+  FS_FileWrite(file, &world->propCount, sizeof(U32), offset);
+  offset += sizeof(U32);
+
+  FS_FileWrite(file, world->props, sizeof(World_Prop)*WORLD_PROP_MAX, offset);
+  offset += sizeof(World_Prop)*WORLD_PROP_MAX;
+
+  FS_FileWrite(file, &world->hitboxCount, sizeof(U32), offset);
+  offset += sizeof(U32);
+
+  FS_FileWrite(file, world->hitboxes, sizeof(AABB)*WORLD_HITBOX_MAX, offset);
+  offset += sizeof(AABB)*WORLD_HITBOX_MAX;
+
+  FS_FileWrite(file, world->map, sizeof(U32)*WORLD_MAP_MAX, offset);
+  offset += sizeof(U32)*WORLD_MAP_MAX;
+
   FS_FileClose(file);
   printf("Saved world :)\n");
 }
 
-World *LoadWorld(M_Arena *arena) {
+void LoadWorld(M_Arena *arena, World *world) {
   printf("loading world\n");
   OS_Handle file = FS_FileOpen(S("world.sgdat"), FS_ACCESS_READ);
-  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;
+  U32 offset = 0;
+
+  world->tileTypes = M_ArenaPush(arena, World_Tile, .count=WORLD_TILE_TYPE_MAX);
+  for(int i = 0; i < WORLD_TILE_TYPE_MAX; i++) {
+    FS_FileRead(file, &world->tileTypes[i].tag.count, sizeof(S64), offset);
+    offset += sizeof(S64);
+    world->tileTypes[i].tag.data = M_ArenaPush(arena, U8, .count=world->tileTypes[i].tag.count);
+    FS_FileRead(file, world->tileTypes[i].tag.data, world->tileTypes[i].tag.count, offset);
+    offset += sizeof(U8) * world->tileTypes[i].tag.count;
+    FS_FileRead(file, &world->tileTypes[i].rotation, sizeof(F32), offset);
+    offset += sizeof(F32);
+  }
+  world->propTypes = M_ArenaPush(arena, World_PropType, .count=WORLD_PROP_TYPE_MAX);
+  for(int i = 0; i < WORLD_PROP_TYPE_MAX; i++) {
+    FS_FileRead(file, &world->propTypes[i].tag.count, sizeof(S64), offset);
+    offset += sizeof(S64);
+    world->propTypes[i].tag.data = M_ArenaPush(arena, U8, .count=world->propTypes[i].tag.count);
+    FS_FileRead(file, world->propTypes[i].tag.data, world->propTypes[i].tag.count, offset);
+    offset += sizeof(U8) * world->propTypes[i].tag.count;
+    FS_FileRead(file, &world->propTypes[i].scale, sizeof(F32), offset);
+    offset += sizeof(F32);
+  }
+
+  FS_FileRead(file, &world->propCount, sizeof(U32), offset);
+  offset += sizeof(U32);
+
+  world->props = M_ArenaPush(arena, World_Prop, .count=WORLD_PROP_MAX);
+  FS_FileRead(file, world->props, sizeof(World_Prop)*WORLD_PROP_MAX, offset);
+  offset += sizeof(World_Prop)*world->propCount;
+
+  FS_FileRead(file, &world->hitboxCount, sizeof(U32), offset);
+  offset += sizeof(U32);
+
+  world->hitboxes = M_ArenaPush(arena, AABB, .count=WORLD_HITBOX_MAX);
+  FS_FileRead(file, world->hitboxes, sizeof(AABB)*WORLD_HITBOX_MAX, offset);
+  offset += sizeof(AABB)*world->hitboxCount;
+
+  world->map = M_ArenaPush(arena, U32, .count=WORLD_MAP_MAX);
+  FS_FileRead(file, world->map, sizeof(U32)*WORLD_MAP_MAX, offset);
+  offset += sizeof(U32)*WORLD_MAP_MAX;
+
+  FS_FileClose(file);
+  printf("loaded world\n");
+}
+
+void GenerateNavMesh(M_Arena *arena, World *world) {
+  world->navMesh = M_ArenaPush(arena, NavMesh);
+  world->navMesh->nodeCount = 0;
+  for(int i = 0; i < WORLD_MAP_MAX; i++) {
+    U32 x = (i % 96);
+    U32 y = (i / 96);
+    world->navMesh->nodes[world->navMesh->nodeCount].pos.x = x;
+    world->navMesh->nodes[world->navMesh->nodeCount].pos.y = y;
+    U32 cost = 20;
+    if(Str8_Equal(world->tileTypes[world->map[i]].tag, S("path_middle"), STR8_EQUAL_IGNORE_CASE)) {
+      cost = 10;
+    }
+    world->navMesh->nodes[world->navMesh->nodeCount].connectionCount = 0;
+    for(int nx = -1; nx < 2; nx++){
+      for(int ny = -1; ny < 2; ny++){
+        if((nx==ny) && nx==0) {continue;}
+        if(x+nx < 0 || x+nx > 95) {
+          continue;
+        }
+        if(y+ny < 0 || y+ny > 49) {
+          continue;
+        }
+        U32 index = x+nx + (y+ny)*96;
+        U32 nCount = world->navMesh->nodeCount;
+        world->navMesh->nodes[nCount].connections[world->navMesh->nodes[nCount].connectionCount].NodeIndex = index;
+        world->navMesh->nodes[nCount].connections[world->navMesh->nodes[nCount].connectionCount].Cost = cost;
+        world->navMesh->nodes[nCount].connectionCount++;
+      }
+    }
+    world->navMesh->nodeCount++;
+  }
 }

code/game/nav.h

@@ -6,7 +6,7 @@
 
 #define NAV_MAX_PATH 1024
 #define NAV_MAX_CONNECTIONS 8
-#define NAV_MAX_NODES 4096
+#define NAV_MAX_NODES 4800
 
 typedef struct NavNode NavNode;
 

code/game/player.h

@@ -5,7 +5,6 @@
 #include "../core/macros.h"
 
 #include <SDL3/SDL_events.h>
-#include "aabb.h"
 
 #define PLAYER_SPEED 10.0f
 #define PLAYER_RELOAD_TIME 1.5f
@@ -24,12 +23,12 @@ typedef struct Player Player;
 struct Player
 {
     World *world;
-    AABB collision;
+    V2f pos;
     World_Area currentArea;
     U32 bulletsLoaded;
     ControlState controls;
     V2f shotPos;
-    U32 health;
+
     F32 reloadTimer;
 };
 

code/game/world.h

@@ -3,6 +3,12 @@
 
 #include "../core/math.h"
 
+#define WORLD_HITBOX_MAX 4096
+#define WORLD_PROP_MAX 2048
+#define WORLD_PROP_TYPE_MAX 64
+#define WORLD_TILE_TYPE_MAX 64
+#define WORLD_MAP_MAX 4800
+
 // Areas are which
 typedef U32 World_Area;
 enum World_Area
@@ -13,14 +19,13 @@ enum World_Area
 
 typedef struct World_Tile World_Tile;
 struct World_Tile {
-  U32 tile;
-  double rotation;
-  bool collision;
+  Str8 tag;
+  F32 rotation;
 };
 
 typedef struct World_PropType World_PropType;
 struct World_PropType {
-  U32 assetHandle;
+  Str8 tag;
   F32 scale;
 };
 
@@ -44,14 +49,15 @@ struct World {
   NavMesh *navMesh;
   Random random;
   V2f mouseProjected;
-  World_Tile tileTypes[64];
-  U32 map[4800];
+  //// Loaded from world file
+  World_Tile *tileTypes;
+  World_PropType *propTypes;
+  World_Prop *props; 
+  AABB *hitboxes; 
+  U32 *map;
 
-  World_PropType propTypes[64];
   U32 propCount;
-  World_Prop props[256]; 
   U32 hitboxCount;
-  AABB hitboxes[4096]; 
 
   //// Player
   Player player;
@@ -75,7 +81,8 @@ 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 LoadWorld(M_Arena *arena, World *world);
 function void SaveWorld(M_Arena *arena, World *world);
+function void GenerateNavMesh(M_Arena *arena, World *world);
 
 #endif  // LD_GAME_WORLD_H_