feat: Added portals

code/first.c

@@ -88,7 +88,7 @@ int main(int argc, char **argv)
 		camera->x = V3F(1, 0, 0);
 		camera->y = V3F(0, 1, 0);
 		camera->z = V3F(0, 0, 1);
-		camera->p = V3F(0, 0, 16);
+		camera->p = V3F(0, 0, 48);
 
 		camera->fov = 60.0f;
 
@@ -112,7 +112,7 @@ int main(int argc, char **argv)
       npc1->mode = NPC_ACTION_WAITING;
       npc1->currentArea = WORLD_AREA_OUTSIDE;
       npc1->waitTime = 0;
-      npc1->maxWaitTime = 5;
+      npc1->maxWaitTime = 1;
       npc1->currentNavNode = 0;
     }
 
@@ -174,9 +174,9 @@ int main(int argc, char **argv)
 
     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[0].scale=3;
     world->propTypes[1].tag=S("rug1");
-    world->propTypes[1].scale=1;
+    world->propTypes[1].scale=3;
     world->propTypes[2].tag=S("skull");
     world->propTypes[2].scale=1;
     world->propTypes[3].tag = S("table");
@@ -184,17 +184,17 @@ int main(int argc, char **argv)
     world->propTypes[4].tag = S("barrel");
     world->propTypes[4].scale=1;
     world->propTypes[5].tag = S("can");
-    world->propTypes[5].scale=1;
+    world->propTypes[5].scale=0.5;
     world->propTypes[6].tag = S("candle");
-    world->propTypes[6].scale=1;
+    world->propTypes[6].scale=0.5;
     world->propTypes[7].tag = S("clock");
-    world->propTypes[7].scale=1;
+    world->propTypes[7].scale=1.5;
     world->propTypes[8].tag = S("log_pile");
     world->propTypes[8].scale=1;
     world->propTypes[9].tag = S("nightstand");
     world->propTypes[9].scale=1;
     world->propTypes[10].tag = S("pool_table");
-    world->propTypes[10].scale=2;
+    world->propTypes[10].scale=3;
     world->propTypes[11].tag = S("saloon_ext");
     world->propTypes[11].scale=6.875f;
     world->propTypes[12].tag = S("saloon_int");
@@ -220,11 +220,14 @@ int main(int argc, char **argv)
     world->propCount = 0;
     world->props = M_ArenaPush(arena, World_Prop, .count=WORLD_PROP_MAX);
     world->hitboxes = M_ArenaPush(arena, AABB, .count=WORLD_HITBOX_MAX);
+    world->portals = M_ArenaPush(arena, World_Portal, .count=64);
+    world->portalCount=0;
     GenerateNavMesh(arena, world);
 	}
-  game->editor.enabled = false;
+  game->editor.enabled = true;
   game->editor.mode = G_EDITOR_MODE_TILE;
   game->editor.currentLevel = WORLD_AREA_OUTSIDE;
+  game->editor.selectedNode = 0;
 
 	bool running = true;
 
@@ -274,11 +277,12 @@ int main(int argc, char **argv)
               break;
             }
             case G_EDITOR_MODE_HITBOX: {
+            case G_EDITOR_MODE_PORTAL: {
               game->editor.dragStart = game->editor.cursor;
               break;
             }
           }
-        } else if(e.type==SDL_EVENT_MOUSE_BUTTON_UP && e.button.button == SDL_BUTTON_LEFT && game->editor.mode == G_EDITOR_MODE_HITBOX) {
+        }} else if(e.type==SDL_EVENT_MOUSE_BUTTON_UP && e.button.button == SDL_BUTTON_LEFT && game->editor.mode == G_EDITOR_MODE_HITBOX) {
           // Add hitbox
           V2f topLeft = V2F(Min(game->editor.cursor.x, game->editor.dragStart.x), Min(game->editor.cursor.y, game->editor.dragStart.y));
           game->world->hitboxes[game->world->hitboxCount].pos = topLeft;
@@ -288,6 +292,17 @@ int main(int argc, char **argv)
           );
           game->world->hitboxCount++;
           GenerateNavMesh(game->arena, game->world);
+        } else if(e.type==SDL_EVENT_MOUSE_BUTTON_UP && e.button.button == SDL_BUTTON_LEFT && game->editor.mode == G_EDITOR_MODE_PORTAL) {
+          // Add portal
+          V2f topLeft = V2F(Min(game->editor.cursor.x, game->editor.dragStart.x), Min(game->editor.cursor.y, game->editor.dragStart.y));
+          game->world->portals[game->world->portalCount].box.pos = topLeft;
+          game->world->portals[game->world->portalCount].box.size = V2F(
+            Abs(game->editor.cursor.x-game->editor.dragStart.x),
+            Abs(game->editor.cursor.y-game->editor.dragStart.y)
+          );
+          game->world->portals[game->world->portalCount].area = game->editor.currentAsset;
+          game->world->portalCount++;
+          GenerateNavMesh(game->arena, game->world);
         }
       }
 
@@ -299,10 +314,12 @@ int main(int argc, char **argv)
           }
           case SDLK_RIGHT: {
             game->editor.currentAsset = Min(game->editor.currentAsset+1, 64);
+            printf("editing with %d\n", game->editor.currentAsset);
             break;
           }
           case SDLK_LEFT: {
             game->editor.currentAsset = Max(game->editor.currentAsset-1, 0);
+            printf("editing with %d\n", game->editor.currentAsset);
             break;
           }
           case SDLK_A: {
@@ -331,6 +348,16 @@ int main(int argc, char **argv)
             game->world->player.currentArea--;
             break;
           }
+          case SDLK_E: {
+            game->editor.selectedNode++;
+            printf("selected %d\n", game->editor.selectedNode);
+            break;
+          }
+          case SDLK_Q: {
+            game->editor.selectedNode--;
+            printf("selected %d\n", game->editor.selectedNode);
+            break;
+          }
           case SDLK_SPACE: {
             game->editor.mode = (game->editor.mode + 1) % 4;
             printf("EDITOR MODE %d\n", game->editor.mode);
@@ -398,6 +425,39 @@ int main(int argc, char **argv)
       G_Editor editor = game->editor;
       F32 tilex = cast(F32) floor(editor.cursor.x+TILE_SIZE/2);
       F32 tiley = cast(F32) floor(editor.cursor.y+TILE_SIZE/2);
+      for (int i = 0; i < game->world->navMesh->nodeCount; i++) {
+        NavNode n = game->world->navMesh->nodes[i];
+        D_Rect(
+          &game->draw,
+          n.pos.x,
+          n.pos.y,
+          .texture = 0,
+          .scale = 0.2f,
+        );
+      }
+      for (int i = 0; i < game->world->navMesh->nodeCount; i++) {
+        NavNode n = game->world->navMesh->nodes[i];
+        if(i == editor.selectedNode) {
+          D_Rect(
+            &game->draw,
+            n.pos.x,
+            n.pos.y,
+            .texture = 0,
+            .scale = 0.2f,
+            .c = V4F(100, 255, 0, 100),
+          );
+          for(int j = 0; j < n.connectionCount; j++) {
+            D_Rect(
+              &game->draw,
+              game->world->navMesh->nodes[n.connections[j].NodeIndex].pos.x,
+              game->world->navMesh->nodes[n.connections[j].NodeIndex].pos.y,
+              .texture = 0,
+              .scale = 0.2f,
+              .c = V4F(0, 100, 0, 100),
+            );
+          }
+        }
+      }
       switch(game->editor.mode) {
         case G_EDITOR_MODE_TILE: {
           World_Tile asset = game->world->tileTypes[editor.currentAsset];
@@ -424,7 +484,19 @@ int main(int argc, char **argv)
           }
           break;
         }
-        case G_EDITOR_MODE_POI: {
+        case G_EDITOR_MODE_PORTAL: {
+          for(U32 i = 0; i < game->world->portalCount; i++) {
+            V2f centre = AABB_Centre(game->world->portals[i].box);
+		        D_Rect(
+              &game->draw,
+              centre.x,
+              centre.y,
+              .texture=0,
+              .dim=game->world->portals[i].box.size,
+              .flags=D_RECT_IGNORE_ASPECT,
+              .c=V4F(0,0,100,0.7),
+            );
+          }
           break;
         }
       }

code/game/core.h

@@ -21,7 +21,7 @@ enum G_EDITOR_MODE {
   G_EDITOR_MODE_TILE,
   G_EDITOR_MODE_PROP,
   G_EDITOR_MODE_HITBOX,
-  G_EDITOR_MODE_POI,
+  G_EDITOR_MODE_PORTAL,
 };
 
 typedef struct G_Editor G_Editor;
@@ -32,6 +32,7 @@ struct G_Editor {
   G_EDITOR_MODE mode;
   V2f cursor;
   V2f dragStart;
+  U32 selectedNode;
 };
 
 typedef struct G_State G_State;

code/game/impl/aabb.c

@@ -11,7 +11,7 @@ bool AABB_Collide(AABB a, AABB b)
 bool AABB_Point(AABB a, V2f v)
 {
   bool collision_x = a.pos.x + a.size.x >= v.x && a.pos.x <= v.x;
-  bool collision_y = a.pos.x + a.size.y >= v.y && a.pos.y <= v.y;
+  bool collision_y = a.pos.y + a.size.y >= v.y && a.pos.y <= v.y;
   return collision_x && collision_y;
 }
 

code/game/impl/bandit.c

@@ -10,6 +10,11 @@ V2f shootTowards(Bandit *bandit, V2f target, Random* r)
 }
 
 void UpdateBandit(F32 delta, Bandit *bandit, World *world) {
+  for(int i = 0; i < world->portalCount; i++) {
+    if(AABB_Collide(world->portals[0].box, bandit->collision)) {
+      bandit->currentArea = world->portals[0].area;
+    }
+  }
   if (
       world->player.controls.shot && AABB_Slab(world->player.collision.pos, world->player.shotPos, bandit->collision) && bandit->currentArea == world->player.currentArea)
   {

code/game/impl/npc.c

@@ -4,6 +4,11 @@
 #include "core/math.h"
 
 void UpdateNPC(F32 delta, NPC *npc, World *world) {
+  for(int i = 0; i < world->portalCount; i++) {
+    if(AABB_Collide(world->portals[0].box, npc->collision)) {
+      npc->currentArea = world->portals[0].area;
+    }
+  }
   switch (npc->mode) {
     case NPC_ACTION_WAITING:
       npc->waitTime+=delta;

code/game/impl/player.c

@@ -165,6 +165,11 @@ 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;
+  for(int i = 0; i < player->world->portalCount; i++) {
+    if(AABB_Collide(player->world->portals[0].box, player->collision)) {
+      player->currentArea = player->world->portals[0].area;
+    }
+  }
 }
 
 void PlayerDraw(D_Context *draw, Player *player) {

code/game/impl/world.c

@@ -64,16 +64,6 @@ void RenderWorld(World *world, D_Context *draw) {
       );
     }
   }
-  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) {
@@ -127,6 +117,11 @@ void SaveWorld(M_Arena *arena, World *world) {
   FS_FileWrite(file, world->map, sizeof(U32)*WORLD_MAP_MAX, offset);
   offset += sizeof(U32)*WORLD_MAP_MAX;
 
+  FS_FileWrite(file, &world->portalCount, sizeof(U32), offset);
+  offset += sizeof(U32);
+
+  FS_FileWrite(file, world->hitboxes, sizeof(World_Portal)*WORLD_PORTAL_MAX, offset);
+
   FS_FileClose(file);
   printf("Saved world :)\n");
 }
@@ -175,6 +170,12 @@ void LoadWorld(M_Arena *arena, World *world) {
   FS_FileRead(file, world->map, sizeof(U32)*WORLD_MAP_MAX, offset);
   offset += sizeof(U32)*WORLD_MAP_MAX;
 
+  FS_FileRead(file, &world->portalCount, sizeof(U32), offset);
+  offset += sizeof(U32);
+
+  world->portals = M_ArenaPush(arena, World_Portal, .count=WORLD_PORTAL_MAX);
+  FS_FileRead(file, world->hitboxes, sizeof(World_Portal)*WORLD_PORTAL_MAX, offset);
+
   FS_FileClose(file);
   printf("loaded world\n");
 }
@@ -195,14 +196,10 @@ void GenerateNavMesh(M_Arena *arena, World *world) {
     if(skip) {continue;}
     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(nx==0 && ny==0) {continue;}
         if(x+nx < 0 || x+nx > 95) {
           continue;
         }
@@ -216,14 +213,42 @@ void GenerateNavMesh(M_Arena *arena, World *world) {
             break;
           }
         }
-        if(skip) {continue;}
-        U32 index = x+nx + (y+ny)*96;
         U32 nCount = world->navMesh->nodeCount;
+        S32 index = -1;
+        for(int ohgod = 0; ohgod < nCount; ohgod++) {
+          if(world->navMesh->nodes[ohgod].pos.x == nx+x&& world->navMesh->nodes[ohgod].pos.y == y+ny) {
+            index=ohgod;
+            break;
+          }
+        }
+        F32 cost = 20;
+        if(ny+nx == 2) {
+          cost = 40;
+        };
+        if(Str8_Equal(world->tileTypes[world->map[i]].tag, S("path_middle"), STR8_EQUAL_IGNORE_CASE)) {
+          cost = 1;
+          if(Abs(ny+nx) == 2) {
+            cost = 4;
+          };
+        }
+        if(index < 0) {continue;}
+        skip |= index > nCount;
+        if(skip) {continue;}
         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[index].connections[world->navMesh->nodes[index].connectionCount].NodeIndex = nCount;
+        world->navMesh->nodes[index].connections[world->navMesh->nodes[index].connectionCount].Cost = cost;
         world->navMesh->nodes[nCount].connectionCount++;
+        world->navMesh->nodes[index].connectionCount++;
       }
     }
     world->navMesh->nodeCount++;
   }
+  for(int i = 0; i < world->npcCount; i++) {
+      world->npcs[i].mode = NPC_ACTION_WAITING;
+      world->npcs[i].maxWaitTime = Random_F32(&world->random, 20, 140);
+      world->npcs[i].waitTime = 0;
+      world->npcs[i].currentNavNode=0; 
+      world->npcs[i].pathIndex = 0;
+  }
 }

code/game/world.h

@@ -2,19 +2,21 @@
 #define LD_GAME_WORLD_H_
 
 #include "../core/math.h"
+#include "./aabb.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
+#define WORLD_PORTAL_MAX 64
 
 // Areas are which
 typedef U32 World_Area;
 enum World_Area
 {
-  WORLD_AREA_OUTSIDE = (1 << 0),
+  WORLD_AREA_OUTSIDE = 1,
-  WORLD_AREA_SALOON = (1 << 1),
+  WORLD_AREA_SALOON = 2,
 };
 
 typedef struct World_Tile World_Tile;
@@ -37,6 +39,13 @@ struct World_Prop
   V2f pos;
 };
 
+typedef struct World_Portal World_Portal;
+struct World_Portal
+{
+  AABB box;
+  World_Area area;
+};
+
 typedef struct World World;
 #include "player.h"
 #include "npc.h"
@@ -54,11 +63,14 @@ struct World {
   World_PropType *propTypes;
   World_Prop *props; 
   AABB *hitboxes; 
+  World_Portal *portals; 
   U32 *map;
 
   U32 propCount;
+  U32 portalCount;
   U32 hitboxCount;
 
+
   //// Player
   Player player;